138 results about "Broaching" patented technology

The invention belongs to the technical field of machining, and particularly relates to an ultrasonic internal broaching broach vibration mode design and control method, which comprises the following steps: firstly, based on a modal isolation structure design method, accurately designing axial and radial vibration modes of a broach so as to meet the requirements of high-precision and high-efficiency broaching machining; a signal processing method based on filtering driving is provided, a designed target vibration mode is accurately driven, the problem that the vibration mode bandwidth of PZT changes along with working conditions such as temperature is solved, finally, due to the fact that the broach frequency vibration mode drifts along with working condition changes in practical application, a dynamic frequency tracking system is developed, and it is ensured that when signals are close to the resonant frequency, the vibration mode bandwidth of the PZT changes along with the working condition changes. The driving frequency can be dynamically adjusted, and it is ensured that the ultrasonic-assisted broaching system is always kept in the target vibration mode. Through optimization and improvement in the three aspects, the ultrasonic vibration broaching effect of the high-strength and high-hardness workpiece is remarkably improved.

The invention relates to the field of shock absorber machining, and discloses a reaming tool for shock absorber outer cylinder machining, the reaming tool comprises a tool seat, the top of the tool seat is fixedly provided with a first supporting seat, a second supporting seat and a third supporting seat, and the top of the first supporting seat is provided with a reaming structure. The device is provided with the driving structure, the broaching assembly, the electric heating assembly, the forming assembly and the cooling structure, the broaching forming quality of the broaching assembly on the shock absorber outer cylinder can be improved through combination of the electric heating assembly and the forming assembly, the broached shock absorber outer cylinder is cooled in the cooling structure, the cooling structure is combined with the design of a broaching base and a pressing block, and the machining efficiency is improved. On one hand, splashing of water in the cooling process and cooling of the local position of the shock absorber outer cylinder are avoided, on the other hand, water waste is avoided, and the use cost is reduced while the efficiency is improved.

The invention discloses a multi-mode flexible four-corner welding machine and method for improving the weld fillet strength, and belongs to the technical field of profile manufacturing. The welding machine comprises a machine body, a cross beam of the machine body is adjustable along an X axis, machine heads on the cross beam slide along a Y axis, and four groups of machine heads clamp four corners of a profile. The machine head integrates a pressing assembly, a heating assembly, a broaching assembly, a seam pressing assembly and the like, the pressing assembly achieves profile fixing and position adjusting through a plurality of guide rail pairs, the broaching assembly carries out precise broaching on a welding seam, and the seam pressing assembly prevents molten chips from overflowing and carries out surface molding on the profile. The method comprises the steps of debugging, charging, positioning and limiting, heating, welding seam width adjustment, welding and discharging. Welding and welding seam finishing are integrated, and the secondary machining defect is avoided; multiple groups of adjustable mechanisms and detachable accessories are matched with various profiles; the surface of the color profile can be protected, the welding quality is enhanced, and the flexible manufacturing capacity of a production line is improved.

The invention relates to a vertical air cylinder groove milling, pulling and grinding all-in-one machine and an air cylinder groove machining method, and relates to the field of air conditioner compressor air cylinder blade grooves. According to the technical scheme, vertical three-station simultaneous machining arrangement is adopted, to-be-machined air cylinder parts of all stations can be synchronously processed, and high machining precision and high machining efficiency are guaranteed from the overall operation process; according to the groove milling mechanism, double milling spindles are arranged on a single groove milling sliding plate in parallel, parts do not need to be turned over and machined in an up-down gradual groove milling mode, efficiency loss of part turning over operation is avoided, positioning deviation caused by turning over is avoided, and the groove milling precision is effectively improved; the broaching mechanism can finish broaching of a front chamfer and a rear chamfer of the air cylinder groove in a one-time up-down reciprocating state, and high efficiency and chamfering precision are both considered; the groove grinding mechanism grinds the air cylinder groove through four procedures through process distribution, the rough grinding and fine grinding processes are accurately controlled, the machining quality of the air cylinder groove is further guaranteed, and finally the efficient and high-precision machining target of the air cylinder groove is achieved.

The utility model discloses a copper large broaching die installation structure which comprises a base, a bracket, a gland, a wheel support, a pressing wheel, an eye die body, a screw rod and a lock nut, the bracket is fixedly installed on the base, a containing cavity is formed in the bracket, the eye die body is installed in the containing cavity, two front hanging lugs are arranged on the front portion of the bracket, and two rear hanging lugs are arranged on the rear portion of the bracket. Two upper hanging lugs are arranged on the top of the bracket, and the rear end of the gland is installed in the two upper hanging lugs in a hinged mode. The eye mold mounting structure is changed into a locking structure that the screw and the lock nut are matched with the U-shaped lock block, the bracket and the gland are locked and fixed, and after the screw and the lock nut are abraded, only the screw and the lock nut are detached and replaced; by means of the mode that the upper compression bolt is used for compressing and positioning, the upper compression bolt does not need to be frequently rotated, the service life of the first threaded hole is prolonged, namely the service life of the bracket is prolonged, five process holes are formed in the bottom of the bracket, and the problem that when a single central process hole is ejected out of the hole die body, the hole die body is ejected out to deflect, and consequently jamming is caused is solved.

The utility model discloses a PCD (Poly Crystal Diamond) reaming and reaming combined cutter which comprises a cutter body, and the cutter body comprises a front guide post, a first blade mounting groove, a second blade mounting groove, a rear guide post and a third blade mounting groove which are integrally formed, and a broaching edge, a reaming edge and a counter sinking edge which are made of PCD materials are sequentially mounted in the first blade mounting groove, the second blade mounting groove and the three-blade mounting groove respectively. Precise guiding is achieved when the cutter rotates at a high speed through the guiding column, resistance generated when the cutter rotates at the high speed is reduced, and the problem that the cutter is prone to being broken is solved; by selecting three blade materials, the problem that the service life of the blade is short is solved, and the working efficiency is further improved.

The invention provides an efficient broach grinding machine with double grinding wheels for collaborative grinding, and belongs to the technical field of broach grinding machines. The problem that a broach grinding machine in the prior art is insufficient in flexibility is solved. The machine tool comprises a machine tool body, an X-axis assembly, a Y-axis assembly and a Z-axis assembly, the X-axis assembly, the Y-axis assembly and the Z-axis assembly are installed in the machine tool body, an upper driving box is installed at the upper end of an X-axis sliding block, an upper workbench is installed at the upper end of the upper driving box and is in driving connection with the interior of the upper driving box, a clamp groove is formed in the upper workbench, and a driving clamp and a driven clamp are connected in the clamp groove; the upper bearing box assembly is installed on one side of the upper end of the upper workbench, the chuck driving motor is installed at the upper end of the upper bearing box assembly and is in driving connection with the interior of the upper bearing box assembly, the chuck cylinder is connected with the chuck base and installed on one side of the upper bearing box assembly, and the interior of the chuck cylinder and the interior of the chuck base are in driving connection with the upper bearing box assembly. The broaching tool supporting device has the advantages of being stable in broaching tool supporting and capable of adapting to multi-size broaching tools.

The utility model discloses a broach with a special tooth embedded blade, which solves the problems that the service life of the existing broach is short due to the fact that the special tooth is easy to abrade in the broaching process to cause meat falling and strain at an outlet, and the existing broach is lack of special structural design in the radial direction and is not capable of improving the performance of individual teeth. The cutter comprises a cylindrical cutter body, a cutter strip groove is formed in the outer wall of the cutter body in the direction parallel to the central axis, a cutter strip is arranged in the cutter strip groove and connected to the cutter body through a bolt, and a plurality of special key grooves are formed in the cutter strip at equal intervals to form special teeth. The cutter further comprises a plurality of rows of spline cutting teeth, each row of spline cutting teeth is arranged on the outer wall of the cutter body, and the two ends of each row of spline cutting teeth are located on the two sides of the corresponding cutter strip groove respectively. A plurality of splines are arranged on each row of spline cutting teeth at equal intervals to form the spline cutting teeth; the broach is an assembly type broach, the blade can be replaced according to the actual use condition, and the economic cost is reduced.

The utility model discloses battery bottom welding equipment and production line, battery bottom welding equipment comprises a conveying mechanism, a driving mechanism, a hot broaching mechanism, a center hole detection mechanism and a welding mechanism, the driving mechanism comprises a driving main shaft and a plurality of cam connecting rod parts, and the driving main shaft drives the plurality of cam connecting rod parts to move; the multiple cam connecting rod components can drive the reaming component and the negative electrode welding pin to move, the reaming component and the negative electrode welding pin use the same power source, and the stability of equipment operation is improved. And the heated reaming part irons the center hole, so that the center hole can be expanded and subjected to thermoplastic molding, and a welding needle can be conveniently inserted. The center hole detection mechanism detects the center hole before welding and judges whether the center hole of the battery meets the requirement for insertion of the welding pin or not. The welding mechanism comprises a positive electrode welding needle, a negative electrode welding needle and a first driving component, the first driving component drives the positive electrode welding needle to move, the cam connecting rod component drives the negative electrode welding needle to move, welding of the battery cell bottom and the steel shell is completed, and the welding effect is guaranteed.

The present application relates to the technical field of aero-engine manufacturing, and discloses a warm alloy GH901 turbine disc mortise broach structure optimization and processing method, the process selects T15 high-speed steel as a broach base material, the chemical composition is as follows: carbon 1.55%, silicon 0.38%, manganese 0.35%, chromium 4.00%, tungsten 13.00%, vanadium 5.00%, cobalt 5.00%, after heat treatment, the hardness reaches HRC66-68.5, by optimizing the complete broach structure and the distribution of broaching allowance, and after broach finishing, TiN coating treatment is carried out, the coating is used to maintain the sharpness of the blade edge, by decoupling the distribution of the broaching allowance of L8 and L9 broaches, the mortise allowance is borne by L8 alone, and the tenon allowance is borne by L9 alone, the two tool processing areas are completely separated, the stepped allowance caused by tool joint misplacement is effectively avoided, and the tooth surface excess meat defect is eliminated from the source, the present application effectively solves the problems of serious tool wear and unstable processing quality in the broaching of high-temperature alloy mortise, and greatly improves the tool service life and processing stability.

1. The name of the design product: broach. 2. The use of the design product: forming tool for broaching. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 2.

The invention discloses a method and a device for automatically regulating and controlling the drilling length of a gas extraction directional long drilling hole, and belongs to the technical field of mine gas control. The method comprises the following steps that the position of a directional long drill hole is determined, and drilling construction is conducted; broaching is conducted at some positions of directional long drilling construction, and broaching sections are formed; laying a gas extraction pipe, and arranging a drilling length automatic regulation and control device at the reaming section; and when it is monitored that the gas concentration and the pure amount reach preset starting values, the drill hole is automatically blocked, and automatic regulation and control over the length of the drill hole are achieved. According to the method for automatically regulating and controlling the length of the drill hole, automatic regulation of the length of the drill hole is achieved according to parameters such as gas concentration and purity in the gas extraction pipe in cooperation with the bag capable of being automatically opened in the directional long drill hole, and the site construction burden is relieved; meanwhile, bidirectional plugging can be carried out from the inside and the outside of the extraction pipe, the length of the drill hole is effectively reduced, the gas extraction efficiency is improved, and the service life of the directional long drill hole is prolonged.

The invention belongs to the field of metal materials, and provides 1000 MPa cold-rolled continuous annealing CH steel with the ultrahigh broaching performance and a preparation method of the 1000 MPa cold-rolled continuous annealing CH steel with the ultrahigh broaching performance. 0.80% to 1.40% of Si; the content of Mn is 2.00%-2.20%, and the content of Ti is 0.025%-0.040%; p is less than or equal to 0.01%; s is less than or equal to 0.008%, and the balance is Fe and inevitable impurities. The preparation method comprises the steps of smelting, continuous casting, hot rolling, acid pickling, cold rolling, continuous annealing and flattening. The yield strength of the steel plate produced by the method is 850-950 MPa, the ductility is greater than 15%, and the hole expansion rate is greater than 80%; good fatigue performance is achieved, and the high-cycle fatigue strength limit is larger than or equal to 485 MPa.

The broaching device for machining and manufacturing the internal spline gear comprises an installation frame, a penetrating opening is formed in one side of the installation frame, a clamping mechanism is arranged at the position, close to the penetrating opening, of the side face of the installation frame and is adjustable integrally, a positioning frame is installed on the side, close to the clamping mechanism, of the installation frame, and a clamping mechanism is installed on the positioning frame. A mounting base is arranged in the positioning frame in a sliding mode, and a spline broaching tool located in the penetrating opening is arranged on the mounting base. According to the broaching device for machining and preparing the internal spline gear, the clamping assembly for positioning the half axle gear is arranged on the outer side, the clamping assembly can be adjusted according to the type of the half axle gear, the broaching device is suitable for clamping and positioning when the half axle gears of different types are broached, meanwhile, the liquid spraying assembly is arranged for cooling and cleaning a spline broaching tool, and the machining efficiency is improved. Chippings adhered to the spline broaching tool are reduced, the situation that the structural strength of the spline broaching tool is affected by heating after long-time use is prevented, and the service life of the spline broaching tool is guaranteed.

The present application relates to the gradual formation and the same profile combination tenon and slot cutter blade shape space curve parameterization design method, including the following steps: step one, shooting tenon and slot image; Step two, tenon and slot shape curve is discrete; Step three, calculate control point and fit approximation curve; Step four, the same profile cutter tooth space curve design: step five, gradual formation type cutter tooth space curve design; Step six, tenon and slot broach cutter tooth space curve output. The present application reduces the difficulty of tenon and slot broaching cutter space curve parameterization design; The parameterization of the cutter blade space curve realizes the unity of parameter selection, improves the stability of the broach design, and proposes the transition boundary and method of the gradual formation and the same profile combination, solves the problem of difficult to determine the gradual formation and the same profile transition method, reduces the design difficulty; At the same time, the parameterization design solves the long cycle and low efficiency problem of the traditional design method, improves the design efficiency of the broach, and reduces the cost of broach design and manufacturing.

This invention relates to a teardrop-shaped chip divider for precision broaching of tenon grooves in aero-engines, belonging to the field of aero-engine manufacturing technology. The chip divider features a smooth contour composed of arcs and straight lines within a specific range, and is tangentially connected to the back face of the cutting teeth. This results in a large, smooth, streamlined cross-section without sharp points, effectively solving the industry problem of sharp-cornered chip dividers scratching the machined surface of the workpiece during precision broaching. While ensuring chip breaking and chip separation functions, it significantly improves the surface roughness quality of the tenon groove. It is suitable for precision broaching of high-requirement parts such as compressor discs and fan discs, improving blade machining efficiency.

The utility model discloses a split type chambering auxiliary tool for a drill bit, which belongs to the technical field of drill bits, and comprises a connecting pipe, a connecting assembly, a chambering assembly, a gasket, a scale assembly, a clamp spring and a jackscrew, the connecting pipe comprises a pipe body, one side of the pipe body is connected with a connecting rod, a clamp spring groove is arranged outside the pipe body, a first thread groove is arranged in the pipe body, and a second thread groove is arranged in the pipe body. An inner threaded hole is formed in the pipe body, and the jackscrew is connected into the inner threaded hole in a threaded mode. According to the tool, the pipe body and the reamer bit can be assembled and connected through the threaded rod to form a split combined structure which is not prone to falling off, when the tool needs to be connected with external drill bits of different sizes, only the reamer bits matched with the different sizes need to be replaced, the adaptability of the tool is improved, the reamer bit is convenient to replace, and operation is convenient. And when the broaching part of the tool is damaged, the tool can be continuously used only by replacing the broaching drill bit, so that the use cost of the tool is reduced.

This application provides a compact high-speed narrow right-angle milling head with automatic broaching and internal cooling functions. It includes a milling head body, a splined shaft, and a narrow right-angle milling head spindle, and further includes a transmission mechanism disposed between the splined shaft and the narrow right-angle milling head spindle. The transmission mechanism includes a first bevel gear, a second bevel gear, and a multi-stage spur gear set that mesh sequentially. The first bevel gear is coaxially fixed to the splined shaft, and a driven gear is coaxially fixed to the narrow right-angle milling head spindle. The multi-stage spur gear set is used to achieve the transmission connection between the second bevel gear and the driven gear. An automatic broaching mechanism is provided on the narrow right-angle milling head spindle. The automatic broaching mechanism includes a first broaching assembly and a second broach release assembly arranged in parallel. The first broaching assembly is disposed inside the narrow right-angle milling head spindle, and the second broach release assembly is fixed to the bottom of the milling head body. This application can be disassembled into two structures: one with internal cooling and one without internal cooling, and successfully integrates an automatic broaching and release mechanism under extremely narrow space constraints.

The present application relates to broaching technology field, specifically disclose a large turbine disk mortise broaching machine main transmission device, including the casing, the top of the casing is hinged with machine cover, the surface of the machine cover is provided with a notch, the both sides of the casing are provided with a strip-shaped mouth, the inner bottom wall of the casing is fixedly installed with the coaming, the inner side of the coaming is fixedly installed with the shell, the large turbine disk mortise broaching machine main transmission device, the displacement driving motor drives the rotation of the lead screw, the lead screw drives two lead screw sleeves to be synchronized to approach, the rack assembly, the driving assembly and the cleaning assembly will be folded by sliding sleeve on the slide bar, until the toothless end of the broach side surface is attached to the outside of the turbine disk, then the main transmission motor drives the driving helical gear to rotate, the driving helical gear drives the rack shell, the slide bar and the broach to slide in the guide rail shell, the side surface of the broach contacts the outside of the turbine disk to realize the broaching, so as to conveniently cut the purpose of the outer surface of the turbine disk.

The application discloses a super-long internal broach for long-ratio inner hole profile broaching, which comprises a broach bar, a broach disc, a broach handle and a broach holder. The broach disc is detachably arranged on the broach handle. One end of the broach holder is detachably arranged on the broach handle and is positioned and connected with the broach disc. The other end of the broach holder is detachably connected with one end of the broach bar. The other side of the broach bar is detachably arranged on a machine tool. The application solves the problems of single broach manufacturing difficulty, multi-broach tool changing inconvenience, high manufacturing cost and high labor intensity when the conventional internal broach is used to broach a large aperture and a long-ratio hole with a ratio greater than 5 times. When the aperture is greater than 100 mm and the long-ratio is greater than 25 times, the application solves the bottleneck problem of being unable to manufacture. The broaching part and the non-broaching part are separated. The working part and the non-working part are clamped and loosened by hydraulic pressure. There is no pipeline winding, and the disassembly and assembly are convenient, and the labor intensity of workers is low.

The present application relates to the turbine disc and compressor disc processing and manufacturing technical field of aero-engine, gas turbine, etc., and discloses a wheel disc mortise broaching force regulation and control method and system, the method comprises the following steps: obtaining broach geometric parameters, broaching process parameters and workpiece material physical properties; based on the broach geometric parameters, the broaching process parameters and the workpiece material physical properties, the shear flow stress on the main shear surface in the cutting process is calculated, and the cutting force considering the strain softening and temperature-strain rate coupling effect is further calculated; based on the broach geometric parameters and the shear flow stress, the edge extrusion force caused by the broach edge roundness radius is calculated; the broaching force and the edge extrusion force are superimposed to obtain the wheel disc mortise broaching force; according to the wheel disc mortise broaching force, the broach geometric parameters and the broaching process parameters are adjusted and controlled, and then the wheel disc mortise broaching force is optimized to meet the actual processing requirements, which provides support for reducing the tool optimization design cost and improving the wheel disc processing quality.

The utility model relates to the technical field of half axle gear internal spline machining, and particularly discloses a half axle gear internal spline broaching device which comprises a flange plate, an inwards-concave spherical groove is formed in the front side face, away from the front side face matched with a broaching machine, of the flange plate, and a spherical positioning piece is movably clamped in the inwards-concave spherical groove correspondingly. The front side of the spherical surface positioning piece is correspondingly provided with a positioning tooth groove matched and attached to the rear side of the gear face of the half axle gear, the rear end of the outer side of the flange plate is correspondingly and fixedly provided with a synchronous rotation driving assembly, and the front end of the outer side of the flange plate is evenly distributed and fixedly provided with reciprocating assemblies in the circumferential direction; the internal spline broaching device has the beneficial effects that synchronous driving movement is facilitated for multi-point fixation, the side faces and the front faces of the gear faces are conveniently subjected to multi-face pressing fixation, positioning fixation is stable and firm, convenience is provided for broaching operation of internal splines of half axle gears, and the internal spline broaching device is suitable for large-scale popularization and application. And the use requirements can be well met.

The invention discloses a profiling vibration polishing method and device for an aero-engine tenon connection structure, and belongs to the technical field of precision machining. The device comprises a driving and vibrating system, a profiling polishing execution system, a precise force control system and a polishing solution circulating system. The core of the method is that a profiling polishing tool matched with the tenon structure profile in a negative shape is adopted, and a flexible polishing pad is attached to the surface; constant pressure is applied to the tool through a precise force control system; meanwhile, the driving system drives the tool to perform high-frequency micro-amplitude linear reciprocating vibration; under the participation of free abrasive particles in the polishing solution, uniform, low-damage and high-efficiency polishing of the tenon tooth / mortise complex curved surface is realized. The problems of thermal damage, large residual stress, limited surface quality and the like caused by a traditional grinding / broaching process are effectively solved, the surface integrity and fatigue performance of the tenon structure can be remarkably improved, the process flexibility is good, and the method is suitable for nickel-based high-temperature alloy and other materials difficult to machine.

The invention provides broach machining equipment for double-sided inner steps of an automobile speed reduction gear ring, and relates to the technical field of automobile accessory machining, the broach machining equipment comprises a machining table, and an advancing seat is slidably arranged at the top of the machining table in cooperation with a guide rail; a transmission die body is fixedly arranged at the top of the advancing seat; a transmission shaft matched with a bearing is rotationally arranged in the middle of the transmission die body; a butt-joint seat is integrally arranged at the front end of the transmission shaft; inserting ends are integrally arranged at the two ends of the broach shaft, the inserting end at the rear end of the broach shaft is inserted into the butt joint seat in a matched mode, and a pin hole is additionally formed in the inserting end at the rear end of the broach shaft; in order to solve the automation problem caused by execution of a broaching tool and step planing by different mechanisms, the broaching tool and planing functions are integrated into the same broaching tool shaft system, the broaching tool shaft can be driven by a straight motor to complete broaching tool machining and can also drive a groove planing wheel to rotate by means of a servo motor to achieve step planing, it is ensured that the two actions do not interfere with each other, and the machining efficiency is improved. The complexity of multi-mechanism switching is eliminated, and the automatic execution efficiency is improved.

The application discloses a kind of cutting performance prediction methods of flocking broach.The method includes the following steps: one, the effective contact length of the tested broach in cutting process is obtained.Two, the transduction coefficient for evaluating the heat dissipation capacity of the tested broach is obtained.Three, the broaching performance of the tested broach is judged.The application considers the various parameters of broach rake face flocking and the factor parameters of lubricating fluid, constructs the temperature field mathematical model of flocking broach, and realizes the accurate evaluation of temperature field in the cutting process of flocking broach through transduction coefficient.The application can accurately obtain the effective contact length and transduction coefficient of flocking broach by constructing two mathematical models, and evaluate the cutting performance of flocking broach and provide corresponding optimization scheme for flocking broach.The broaching tool designed for the size of horizontal broaching machine integrated broach realizes the effects of optimizing and reforming traditional broach, convenient disassembly and assembly and replacing single-tooth broach.

This utility model relates to metal-cutting tools for broaching cylindrical holes. The technical result consists of increased machining productivity, reduced broaching force, vibration, and specific pressure on the teeth, increased tool life and hole machining quality, and expanded broach manufacturing capabilities. The two-stage progressive broach has a front shank, a neck, a transition cone, a front guide, a two-stage cutting section, a calibrating section, a rear guide, and a rear shank. The first-stage cutting teeth have splined straight-sided cutting lugs and chip-separating grooves on each cutting lug; the second-stage teeth have staggered chip-separating grooves on each tooth. In the calibrating section, two pre-calibrating teeth are made in front of the round calibrating teeth, and the transition section between the steps is made enlarged.

The utility model discloses a lateral broaching device which comprises a skip car bottom plate, a groove is formed in the right side of the skip car bottom plate, the two sides of the bottom of the skip car bottom plate are connected with sliding grooves through first fastening bolts respectively, a movable plate is arranged at the bottom of the skip car bottom plate, and sliding blocks are arranged on the two sides of the movable plate respectively. The sliding blocks are arranged in the sliding grooves in a sliding mode, a plurality of core fixing structures are fixed to the movable plate through second fastening bolts, broaching cores are fixed into the core fixing structures, an air cylinder fixing frame is arranged in the center of the left side of the bottom of the skip car bottom plate, and an air cylinder is arranged on the air cylinder fixing frame. One end of the air cylinder is connected with the movable plate. The lateral broaching tool can facilitate lateral broaching.

The present application aims at providing a gas turbine compressor wheel disk mortise broaching device, belonging to the field of gas turbine processing, comprising a base, a main positioning shaft, a pressing rod, a gland, and a dismounting frame; the base is provided with an inner hole; the main positioning shaft is fixed on the upper end face of the base; the lower part of the pressing rod is provided with a boss; the bottom of the pressing rod extends into the inner hole of the base; the boss is pressed on the upper end face of the base and located in the main positioning shaft; the part of the pressing rod above the boss is sleeved with the dismounting frame; the wheel disk is placed on the base and sleeved outside the main positioning shaft and the dismounting frame; the position where the bottom of the wheel disk cooperates with the base is provided with an anti-rotation key; the bottom of the wheel disk is provided with a positioning groove; the positioning groove cooperates with the anti-rotation key in clearance; the lower end of the gland is installed at the end face of the wheel disk; and the top of the pressing rod extends out of the gland. After the compressor wheel disk mortise is broached by the present application, the wheel disk deformation is reduced, the processing precision and efficiency are improved.

The invention discloses a multi-station broaching machine for bicycle part machining, and relates to the field of bicycle part machining, the multi-station broaching machine comprises an operation table, a first guide rail is arranged at the upper end of the operation table, a first electromagnetic block is arranged outside the first guide rail, and a supporting plate is fixedly connected to the upper end of the first electromagnetic block; a fixing block is fixedly connected to the upper end of the supporting plate, a threaded hole is formed in the fixing block, and a guide hole is formed in the position, close to the threaded hole, in the fixing block; the broaching device has the advantages that the position of the pipe sleeve can be adjusted through the stud, the fixing block, the guide rod, the push ring and other assemblies, then the pipe sleeve is matched with the other assembly to limit a bicycle pipe, shaking is effectively avoided, and meanwhile the broaching quality can be improved; the pipe sleeve can be quickly assembled and disassembled through the pulling plate, the pulling rod, the spring, the moving block, the mounting block, the limiting rod and other assemblies, then replacement can be conducted according to the specification of the bicycle pipe, and meanwhile the replacement difficulty can be lowered.

The utility model discloses an integrated reamer for oil exploitation, which belongs to the technical field of oil exploitation and comprises a drill bit, the top of the drill bit is connected with a threaded sleeve, an adjusting groove is formed in the drill bit, an adjusting device is mounted in the adjusting groove, and the adjusting device comprises a knob and a plurality of expansion plates. According to the device, by rotating the knob, the knob drives the threaded rod to rotate through the rotating rod, then the threaded rod moves downwards in the threaded cylinder, and then the rotating rod is driven to move downwards, so that the rotating rod drives the rotating ring to move downwards through the rotating groove, the rotating ring drives the connecting ring to move downwards, and the connecting ring drives the upper hinge block to move downwards; the upper hinge blocks drive the lower hinge blocks to move outwards through the connecting rods, then the lower hinge blocks drive the expansion plates to move outwards, the multiple expansion plates form different broaching diameters, and then the situation that tools need to be replaced frequently during broaching, and the efficiency is affected is avoided.