192results about "Broaching machines" patented technology

The invention discloses an ultrasonic-assisted broaching machine tool based on a resonance broach and a design method. The machine tool comprises a broaching machine structure; a groove of the ultrasonic broaching tool is located in the position corresponding to the vibration mode wave crest of the broaching tool; the main piezoelectric actuator device is arranged in the groove; the compensation piezoelectric actuator device is arranged at the position, corresponding to the radial vibration mode, of the ultrasonic broach; the frequency of the ultrasonic power supply and the main power supply is the corresponding frequency when the axial ultrasonic vibration amplitude is maximum and the radial ultrasonic vibration amplitude is minimum under different power supply frequencies, the main driving voltage is determined according to the frequency of the main power supply, the preset broaching maximum speed of the broach and an ultrasonic auxiliary broaching effectiveness coefficient, and the frequency of the compensation power supply is the same as the frequency of the main power supply; the phase difference is 180 degrees, and the compensation driving voltage is the corresponding driving voltage when the ratio of the radial ultrasonic vibration amplitude to the axial ultrasonic vibration amplitude in different driving voltages is smaller than or equal to a preset threshold value. The ultrasonic assistance of the broach which needs to be frequently clamped can be realized.

The invention belongs to the technical field of machining, and particularly relates to an ultrasonic internal broaching test platform and an ultrasonic vibration mode control method.The test platform comprises a base, a broach and a clamping mechanism, and the clamping mechanism comprises a supporting ring and a clamping sleeve; a clamping groove is formed in the broach, and a protrusion matched with the clamping groove is arranged on the clamping sleeve. A plurality of supporting columns are arranged on the base, and the supporting columns are arranged in a circular shape. The broach is arranged in a space defined by the multiple supporting columns. And a piezoelectric actuator is arranged on the broach. Based on the platform, the invention provides the control method of the ultrasonic vibration mode, modal drift can be optimized and reduced by adjusting the pre-tightening force and the ultrasonic power supply driving frequency, the pre-tightening force is adopted to adjust and stabilize the contact rigidity, and the energy loss can be reduced; through frequency tracking, resonance points are matched in real time, and energy transfer can be maximized; the two modes are cooperatively controlled, response speed and stability are both considered, and the method adapts to high-dynamic loads.

The invention relates to the technical field of tool machining data acquisition, and provides a broaching tool machining data acquisition method and system, and the method comprises the steps: obtaining original information flows from various mechanical sensors, carrying out the time alignment of the original information flows, and obtaining the aligned original information flows; identifying a transient event based on the aligned original information flow, and extracting multi-dimensional features of the transient event; constructing a multi-channel space-time correlation fingerprint database; constructing a real-time multi-channel event sequence on each channel based on the transient event and the multi-dimensional features, and matching the real-time multi-channel event sequence with a multi-channel space-time association fingerprint database to obtain a fingerprint matching result; and based on the real machining event fingerprints and the electromagnetic noise fingerprints, a real machining event and electromagnetic noise are distinguished in combination with a fingerprint matching result, so that the broaching tool state and machining abnormality are recognized. The method has the effect of improving the accuracy of broaching tool state recognition and machining abnormality diagnosis.

The invention relates to the technical field of motor machining, in particular to a cutting machine for machining a vehicle motor support. Comprising a machining table, a hydraulic mechanism is arranged above the outer wall of the machining table, a machining groove is formed in the outer wall of the machining table, and a cleaning mechanism is arranged on the outer wall of the machining table and located below the machining groove; the hydraulic mechanism comprises a hydraulic head, a hydraulic rod, a fixing clamp and a to-be-machined part, the hydraulic head is fixedly connected to one side above the outer wall of the machining table, the hydraulic rod is fixedly connected to the driving end of the hydraulic head, the fixing clamp is fixedly connected to the other side above the outer wall of the machining table, and the to-be-machined part is installed on one side of the fixing clamp. The cleaning mechanism comprises a transmission shaft, a driving assembly and a conveying belt, the transmission shaft is rotationally connected below the outer wall of the machining table, the driving assembly can be fixedly connected to the outer wall of the transmission shaft, and the conveying belt is installed on the outer wall of the driving assembly. Compared with the prior art, chippings generated in the machining process of the to-be-machined workpiece are directly received and conveyed through the conveying belt, manual cleaning by hands or cleaning by a dust collector are not needed, and the working efficiency of the device is greatly improved.

The invention provides broaching equipment which comprises a machining table top, a broaching assembly, a driving assembly and a guiding assembly, the broaching assembly comprises a clamping part, a broaching part, a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are located on the two sides of the machining table top, and the driving assembly comprises a first driving part and a second driving part; the broaching assembly comprises a first driving part and a second driving part, the first driving part at least drives the broaching assembly to move relative to the machining table top, the second driving part at least drives the first mounting plate to move relative to the second mounting plate, the guide assembly comprises a main guide shaft set and an auxiliary guide shaft set, and the auxiliary guide shaft set is at least fixedly connected with the second mounting plate. The first driving part drives the auxiliary guiding shaft set to move relative to the main guiding shaft set in the axial direction. The upper face and the lower face of the fixed end face are kept relatively parallel, the axial centering reliability of the broach and the stress effect stability during work are improved, and the service life of the broach is prolonged.

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 present invention discloses a fixture and a broaching method for the precision broaching of the tenon and groove of a small test block of an aviation high-pressure turbine disc. The fixture includes a support frame, a chassis and a pressure plate. The support frame is plugged into the axial end face of the chassis through a solid shaft, and there is an inclined angle between the solid shaft and the axial end face of the chassis, and the pressure plate is connected to the solid shaft through a thread. When precision broaching the tenon and groove of a small test block, the small test block is first placed between the support frame and the pressure plate and clamped, and the tenon and groove size of the small test block is gradually formed by a horizontal high-speed broaching machine, and the broaching and forming process is divided into two steps: rough drawing and fine drawing. The present invention provides a fixture for drawing the tenon and groove of a small test block during the broaching process of a high-pressure turbine disc. The fixture has a simple structure, is light in weight and is easy to clamp. The use of the fixture greatly improves the production efficiency and forming quality of the high-pressure turbine disc.

The invention discloses an ultra-long stroke broach high-speed driving vibration suppression compensation system and method. The broach is long in stroke, large in load, high in speed and very easy to vibrate; meanwhile, errors generated by broach abrasion and system deformation are the two key factors influencing the machining precision and efficiency of the broaching machine. In order to solve the technical problems of machining errors and the like caused by mechanical vibration and deformation in high-speed driving, the invention provides the following technical scheme that the system comprises a broaching machining mechanism, a workpiece clamping and moving mechanism and a workpiece broaching tool damping mechanism. The high-speed drive damping technology is achieved through the broach drive three-dimensional damping assembly and the workpiece broach damping device, and the real-time error compensation technology is achieved through the displacement fine adjustment mechanisms at the two ends of the broach. And through the high-speed driving and real-time error compensation technology, the precision and efficiency of ultra-long stroke broaching machining are improved. In addition, the guide wheel is used for abutting against the back side of the cutting position of the broach, and excessive deformation, caused by cutting force, of the middle of the ultra-long broach is avoided.

The broaching device comprises a device rack, a lifting mechanism, a broaching tool set, a rotating station mechanism, a cleaning and guniting mechanism and a driving device.The lifting mechanism is arranged on the device rack, the broaching tool set is fixedly connected to a lifting motion frame of the lifting mechanism and comprises a plurality of broaching tool bodies, and the rotating station mechanism is arranged on the lifting motion frame of the lifting mechanism. Besides, a rotating station mechanism is arranged at the position, located at the bottom of the broaching tool set, of the device rack, the rotating station mechanism comprises a rotating disc and a plurality of sets of station tables fixedly connected to the rotating disc, and the lifting motion frame is in power connection with the rotating disc through a one-way transmission mechanism. A cleaning and slurry spraying mechanism used for cleaning and cooling the broaching tool set is further arranged on the device rack, a driving device is fixedly connected to the device rack, and the driving device is in power connection with the lifting mechanism and the slurry pump body. The device has the characteristics of reducing the maintenance and repair cost, improving the production efficiency and improving the processing quality.

The utility model discloses a machining device, and particularly relates to a spline machining device which comprises a stand column, a working table is arranged on the stand column, a clamp for clamping a spline to be machined is arranged on the working table, and a spline broach is arranged above the working table. And the spline broach and the to-be-machined spline can be automatically cleaned through the first spray head and the second spray head arranged on the workbench. The first spray head is horizontally arranged and used for cleaning a spline broach, and the second spray head is obliquely arranged and directly cleans a spline to be machined, so that thorough cleaning is ensured; the first reinforcing rib and the second reinforcing rib are arranged between the sliding block and the connecting plate, the connecting strength and rigidity are enhanced, it is guaranteed that the spline broach is stable and reliable in the machining process, and the machining precision is improved.

The utility model discloses a draw -bench technical field's draw -knife support platform on draw -bench, including base, bracket and cooling pool, and the bracket is supported on the base through the lifting rod, and through the adjustment of lifting rod, can carry out height adjustment to bracket, also can adjust height respectively to the left and right ends of bracket, reaches the purpose of adjusting the angle of bracket and holds up, thereby stably erects draw -knife on the base, and can adjust draw -knife to the same horizontal position with the work piece of draw -bench, is convenient for cutting operation, still has increased the barrier net and the liquid baffle, still has increased the nozzle simultaneously, thereby can spray the coolant on draw -knife, effectively remove the metal dreg on its surface, reduce the probability of dreg residue, facilitate personnel's cleaning to draw -knife after each processing, still increased the cooling pool and the net frame and give the nozzle cooling liquid, make the whole device reach the coolant circulation utilization, and can collect the metal dreg of cutting through the net frame, convenient operation, convenient to use.

The utility model relates to the technical field of key pulling positioning, and discloses a heavy-duty car transmission shaft end face fork end tooth key pulling positioning tool which comprises a support, a protection frame is fixedly connected to the top of the support, a mold is arranged in the protection frame, a hydraulic cylinder is fixedly connected to the interior of the protection frame, and the output end of the hydraulic cylinder is fixedly connected with a sliding plate. A limiting column is slidably connected into the sliding plate, a clamping jaw is fixedly connected to the side wall of the sliding plate, a bottom plate is arranged on the side wall of the support, and a chip removal assembly is arranged at the top of the bottom plate. The chip removal assembly comprises a supporting column. According to the device, the vibration motor generates vibration to drive the inclined supporting plate to drive the blanking plate to shake, and then the second connecting ring drives the spring to contract, so that the problems that the surface of a workpiece is scratched and the machining precision is reduced due to the fact that metal chippings generated in the cutting process are easily accumulated in a machining area are solved; the practicability of the end face fork end tooth broaching key positioning tool for the transmission shaft of the heavy-duty car is improved.

The present invention provides an EPS joint fork intelligent manipulator broaching machine, which includes a feeding mechanism, an arranging and conveying mechanism, a spline broaching device and a positioning and feeding tooling. There are two conveyor belts for conveying universal joint forks on the arranging and conveying mechanism. Along the conveying direction of the conveyor belts on the arranging and conveying mechanism, a first material blocking mechanism, a second material blocking mechanism and a positioning blocking frame are successively arranged. There are two feeding manipulators on the feeding mechanism. There are two broaching tool mechanisms for broaching splines of the universal joint forks in the spline broaching device, and a positioning and feeding tooling movably arranged on one side of the broaching tool mechanism. A positioning mechanism and a material pressing mechanism are arranged on the positioning and feeding tooling. Two positioning discs and a material pressing mechanism are arranged on the positioning mechanism. A central positioning cavity for installing the universal joint fork is arranged in the positioning disc. Two material pressing cylinders are arranged on the material pressing mechanism. This device can automatically arrange and feed materials for broaching splines of the joint forks, reduce labor intensity and improve production efficiency.

The present application relates to the technical field of tenon groove broaching machines, and provides a vertical multi-axis numerical control tenon groove broaching machine, including: a base and a machine body, on which a rotary table accommodation cavity is provided; an arc-shaped slide rail arranged on the cavity wall of the accommodation cavity of the machine body, and a rotating seat rotatably arranged on the arc-shaped slide rail; a rotary table mounting seat, which is slidably arranged on the rotating seat; a rotary table for fixing the turbine disk to be grooved, the rotary table can be detachably mounted on the rotary table mounting seat, the rotary table has a rotatable drive sleeve, and the drive sleeve is used to pass through the central hole of the turbine disk to be grooved to fix the turbine disk to be grooved. The rotation axis of the drive sleeve is coaxial with the axis of the central hole of the fixed turbine disk; a broach assembly fixing mechanism for fixing the broach assembly and capable of driving the fixed broach assembly to move in the vertical direction. This vertical multi-axis numerical control tenon groove broaching machine can efficiently and conveniently perform tenon groove cutting processing operations on the turbine disk.

The utility model relates to the technical field of engines, and discloses a chamfering device which comprises a guide mechanism and a cutter mechanism, the guide mechanism comprises a first driving assembly and a guide assembly connected with the first driving assembly, and the first driving assembly is used for driving the guide assembly to guide a workpiece to move in the first direction; the cutter mechanism comprises a second driving assembly and a cutter assembly, the cutter assembly comprises a cutter base and a plurality of cutters detachably connected with the cutter base, and the second driving assembly is connected with the cutter base and used for driving the cutter base to move in the second direction. The guide mechanism and the cutter mechanism are arranged, the guide mechanism can adjust the position of the cylinder cover before the cylinder cover enters a chamfering procedure, it is guaranteed that the posture of the cylinder cover is within a reasonable error range, and the cylinder cover chamfering machine can adapt to cylinder covers of different sizes while improving the machining precision; the cutter mechanism can adjust the position of a cutter before the chamfering process, so that the machining precision is improved; and by arranging the detachable cutter, the chamfering requirements of guide pipes on different types of cylinder covers can be met, and the applicability is high.

The present invention discloses a spiral internal broaching machine, comprising: a broaching machine main body, with a lower tool holder for clamping a tool provided at the lower part, the tool holder being connected with a first driving member for driving the tool to rotate around its own vertical central axis, and the broaching machine main body being provided with two vertically extending guide rods; a workbench for supporting and fixing a workpiece and vertically aligning the workpiece with the lower tool holder, the workbench being provided with two sliding holes respectively in sliding fit with the two guide rods; two second driving members, both connected with the workbench, for applying a vertical driving force to the workbench to enable it to slide vertically along the guide rods; wherein, the two guide rods and the two second driving members are both symmetrically arranged relative to the rotation central axis of the tool, and the central axes of the two guide rods, the rotation central axis of the tool, and the two force-receiving centers of the workbench corresponding to the two second driving members are all coplanar. The present invention has the advantages of high machining accuracy and high stability.

The utility model discloses a foot pad, which belongs to the technical field of machining equipment accessories, and adopts the technical scheme that the foot pad comprises a box body, a cover plate and a pre-tightening piece, a containing groove is formed in the box body, the cover plate is arranged at a groove opening of the containing groove and is in sliding fit with the box body, and the pre-tightening piece is arranged in the containing groove. The pre-tightening piece applies pre-tightening force away from the direction of the box body to the cover plate, so that a movable gap is formed between the cover plate and the box body, and the cover plate or the box body is matched to support the machine tool. The foot pad is connected with the machine tool through the cover plate or the box body, so that the machine tool is in contact with the ground through the foot pad, vibration generated when the machine tool works is conducted to the pre-tightening piece through the box body or the cover plate, the pre-tightening piece absorbs the vibration and deforms, the pre-tightening piece deforms through the movable gap, and therefore the vibration of the machine tool is prevented from affecting the working precision of the nearby machine tool through the ground. The utility model further discloses a broaching machine.

The invention belongs to the technical field of machining, and particularly relates to a numerical control broaching machine turbine disc mortise efficient process parameter optimization method which comprises the following steps: S1, mortise surface performance parameter testing; s2, mortise cutting force modeling is carried out, and a broaching force test is carried out to obtain related cutting force coefficients of mortise cutting; s3, performing mortice broaching machine modal analysis and stable region solving; s4, efficient machining parameters of the mortises are determined; according to the numerical control broaching machine turbine disc mortise efficient process parameter optimization method, the numerical control broaching machine turbine disc mortise efficient process parameter optimization method is provided on the basis of the cutting principle, mechanical vibration, deep learning and other theories, the optimized machining process parameter interval can be obtained after influences of various factors in the actual mortise cutting process are fully considered, and therefore the machining efficiency and precision of a mortise broaching machine are remarkably improved.

The invention relates to a method for manufacturing a barrel (1) for use in a timepiece, the barrel being arranged to pivot about a pivot axis (D) and comprising a flange portion (3) comprising a bearing surface (30) for bearing an inner ring of a spring, from which bearing surface a hook portion (2) projects to engage in an aperture in the inner ring, and the flange portion comprises an end face (20) serving as a bearing of the eyelet when winding the spring, the flange portion further comprising a groove (4) located upstream of the hook portion in the winding direction (S) of the spring for holding an end of the spring, the method comprising the following steps:-taking a bar; -turning the profile of the bar to form at least one cylindrical portion (13) comprising a vertical surface and a horizontal surface; -machining said cylindrical portion using a broaching tool by a plurality of reciprocating translational movements in the direction of the pivot axis of the strip shaft, to form a flange portion comprising a hook portion, a bearing surface and a groove.

The present invention belongs to the field of machining technology, and specifically relates to a method for accurately positioning a turbine disc tenon groove for a five-axis CNC broaching machine, comprising the following steps: S1, constructing a broaching force model, carrying out a broaching force test, and obtaining the turbine disc tenon groove broaching force coefficients in the x, y, and z directions, respectively, to establish a single-tooth broaching force model; then constructing a multi-tooth broaching force model based on the single-tooth cutting force model, S2, mechanical deformation analysis, and obtaining the workpiece deformation according to the cutting force calculation; then using a laser to measure the displacement change of the tenon groove cutting point; and based on the values ​​of multiple groups of workpiece deformation and displacement change, performing linear equation fitting to obtain the corresponding linear equation; S3, when using a broaching machine for processing, calculating the cutting force based on the broaching force model, and then applying the corresponding cutting force load on the tenon groove broaching machine finite element model to obtain the deformation in the x, y, and z directions, and then calculating the actual deformation according to the linear equation in S2 to obtain accurate positioning coordinates.

This invention provides a method for manufacturing a barrel truss used in watchmaking. [Solution] The mainspring barrel 1 is arranged to pivot around a pivot D and includes a core 3 having a support surface 30 for the inner coil of the mainspring, from which a hook 2 protrudes to engage with an eyelet in the inner coil, the hook includes an end face that functions as a support for the eyelet when the mainspring is wound, and the core includes a relief 4 upstream of the hook in the winding direction of the mainspring for holding the end of the mainspring. The method is, • The process of preparing the rod material, - A process of tracing and turning a rod to form at least one cylindrical portion including a vertical surface and a horizontal surface, The process includes machining a cylindrical portion by performing several translational reciprocating motions in the true pivot direction to simultaneously form the core, including the hook, support surface, and relief, using a broaching tool.

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 invention discloses a horizontal slotting broaching machine for a large workpiece, which belongs to the technical field of broaching machines, and is characterized by comprising a base, a clamp arranged on the base and used for clamping the workpiece, a broaching tool apron arranged on the base in a sliding manner, a tool connected to the broaching tool apron, a fixed seat arranged on the base in a sliding manner, and a tool bar connected to the fixed seat, a supporting inclined block is arranged on the tool bar in a sliding mode and used for supporting a tool bit of the tool, the tool, the tool bar and the supporting inclined block all stretch into a workpiece, a first driving piece used for driving the broaching tool base to slide in the horizontal direction is arranged on the base, and a second driving piece used for driving the supporting inclined block to slide in the horizontal direction is arranged on the broaching tool base. When the second driving part drives the supporting inclined block to slide, the supporting inclined block can support the tool bit of the tool to move upwards in the vertical direction, the workpiece is clamped and placed in a horizontal posture when the broaching machine is used for machining, and therefore feeding, clamping and positioning of the large workpiece are more convenient and faster, and machining of the large workpiece is safer and more stable.

The utility model discloses a broach scrap cleaning mechanism, including drum, strip brush, drive piece, gas-liquid pipe and connecting cylinder, the number of strip brush is a plurality, the length direction of strip brush is parallel with the axis of drum, a plurality of strip brush is located in the drum and is distributed in the annular shape, the drive piece is located above the drum, the gas-liquid pipe is connected with the connecting cylinder, the connecting cylinder is connected with the gas-liquid pipe, and the gas-liquid pipe is connected with the connecting cylinder. The driving part is used for driving the rotating drum to rotate, the gas-liquid pipe is annularly arranged in the center of the outer portion of the rotating drum and used for spraying cleaning liquid into the rotating drum, and the connecting drums are oppositely arranged at the two ends of the rotating drum and used for discharging cleaning dirt downwards. According to the device, the gas-liquid pipe is matched with the strip brush, so that various broaching tools can be cleaned.

The invention discloses a vertical grooving machine, which belongs to the technical field of broaching machine equipment, and adopts the technical scheme that the vertical grooving machine comprises a rack, a clamp, a slide carriage, a broaching tool, a feeding mechanism and a retracting mechanism, a workbench is arranged at the top of the rack, a guide rod with a sliding chute is arranged on the workbench, and an avoiding hole for the broaching tool to penetrate through is formed in the workbench; the clamp is arranged on the workbench and used for limiting a workpiece, the slide carriage is connected to the rack in a sliding mode, and a broaching driving piece for driving the slide carriage to slide is arranged on the rack; the broach comprises a rotating seat, a cutter bar and a cutter, the rotating seat is rotationally connected to a rotating shaft arranged on the slide carriage, the lower end of the cutter bar is connected with the rotating seat, the upper end of the cutter bar is located in the sliding groove and abuts against the cutter feeding mechanism, and the cutter is installed at the upper end of the cutter bar; the feeding mechanism and the retracting mechanism are arranged on the slide carriage in a spaced mode, the feeding mechanism can push the cutter bar to the workpiece, and the retracting mechanism pushes the cutter bar to be away from the workpiece. The machine tool is small in overall size, needs fewer parts, and can be effectively matched with key groove machining of small workpieces.

A broach (20) or broach segment (20) has a spine (22). A longitudinal array of teeth (40-1...40-n) protrude from the spine (22), each said tooth (40-1...40-n) having: a first face and an opposite second face; and a distal surface joining the first face and second face; and at least some of the teeth (40-1...40-n) being firtree teeth (40-1...40-n) and have a peripheral trench adjacent the cutting edge of the at least one tooth (40-1...40-n).

The utility model relates to the technical field of gear broaching machines, in particular to a gear broaching machine for roller production, which comprises a machine body. The damping mechanism comprises a mounting plate, and the mounting plate is arranged on the lower surface of the machine body; and the cleaning mechanism comprises a water scraping plate and a sliding groove, and the water scraping plate is arranged on the surface of the observation window. Through the fixed connection of the mounting plate and the elastic metal plate, the fixed connection of the mounting plate and the damping spring, the fixed connection of the damping spring and the base, the fixed connection of the base and the stabilizer bar, the sleeved connection of the stabilizer bar and the lantern ring, and the fixed connection of the lantern ring and the first connecting rod, when a machine body vibrates, the mounting plate can be stressed; the mounting plate compresses the elastic metal plate and the damping spring, and the elastic metal plate and the damping spring can rebound to generate opposite acting force, so that the buffering effect is generated, the damping effect on the fuselage is achieved, the stability of the fuselage is improved, damage caused by vibration of the fuselage to the fuselage is reduced, and noise generated by vibration of the fuselage is weakened.

The invention relates to the technical field of lock ring machining, in particular to a sawtooth-shaped lock ring machining device which comprises an upper tool, a lower tool, a lower tool, a lower tool, a lower tool and a clamping device. The lower tool comprises a limiting section and a positioning section fixed to the lower portion of the limiting section, the limiting section is provided with a containing groove used for containing the lock ring, the groove bottom of the containing groove is provided with a through hole vertically and downwards penetrating through the limiting section and the positioning section, and the through hole is located under the mounting hole; the fixing seat is used for fixing the position of the lower tool; the internal tooth broach comprises a cutting part and a cylindrical rod body, and the cutting part is arranged in the middle section of the rod body. According to the scheme, the problem that when sawteeth on the inner side of the sawtooth locking ring are machined at present, an inner tooth broach is likely to be broken due to inclination of the inner tooth broach is solved.

To provide a surface broach machine capable of automatically determining the type of a rotary table and improving workability.SOLUTION: A surface broach machine 100 includes: a column 106 and a base 108 that are fixed to a main body 104; a ram 110 that is supported by the column and capable of reciprocating in the vertical direction; at least one row of broach tools 102a, 102b, 102c that is fixed to the ram; a rotary table 116 that supports a workpiece; a front-back table 112 that moves the rotary table in the front-back direction with respect to the front of the device; a left-right table 114 that moves the rotary table in the left-right direction with respect to the front of the device; a control unit 126 that controls the operation of each table; and a sensor 128 that detects the outer periphery 138 of the rotary table. The control unit moves the left-right table or the front-back table so that the sensor detects the outer periphery of the rotary table, thereby detecting the size of the rotary table and determining the type of the rotary table on the basis of the size of the rotary table.SELECTED DRAWING: Figure 4

The present invention belongs to the technical field of reactor processing, and in particular discloses a hole-drawing device for a small reactor cylinder, comprising a damping plate, a reactor cylinder, a hole-drawing device, a hole-drawing knife and a restraining chuck, wherein a plurality of docking holes are provided on the outer surface of the reactor cylinder; the present invention, by providing a distribution component, a movable component and an adjustment component, is helpful for accurately positioning the hole-drawing parts distributed in a spiral shape during the process of drawing holes in the docking holes on the outer surface of the reactor cylinder, the distribution component can be used to intermittently adjust the angle of the reactor cylinder, the movable component can be used to drive the hole-drawing device to draw holes after the distribution component has adjusted the angle of the reactor cylinder, and when the movable component drives the hole-drawing device to move up and down, each reciprocating movement will trigger the adjustment component to change the position of the hole-drawing device, and the coordination with the distribution component can accurately draw holes one by one in the docking holes distributed in a spiral shape on the outer surface of the reactor cylinder.