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53 results about "Abnormal shaped" patented technology

Positioning tool for processing special-shaped gear

ActiveCN224406583UElectric machineGear wheel
The utility model relates to special-shaped gear machining technical field and disclose a positioning tool for special-shaped gear machining, including installation box, the inside fixed mounting of installation box has second rotating electrical machine, the output fixed mounting of second rotating electrical machine has rotary disc, the top of rotary disc is provided with detachable receiving block, and the receiving block is semicircular ring, and the side surface of receiving block is provided with receiving cavity, and both ends of receiving block all fixed mounting have two first connecting blocks. In the utility model, first rotating electrical machine drives U -shaped pull block horizontal movement, drives first connecting rod linkage first extrusion block and second extrusion block synchronous movement, and the adaptive clamping: second extrusion block promotes the rotation of clamping block around the C -shaped groove of second connecting block, makes the recessed groove camber of clamping block tightly cover special-shaped gear non -circular profile, simultaneously, its addendum is pressed tightly to the inner wall of receiving cavity, and special-shaped gear is under the action of bidirectional extrusion force automatic correction center hole position, improves the positioning accuracy.
Owner:LUAN ELABORATION FORGE CO LTD

A close fit taper motor shaft for easy replacement

A replaceable, tightly fitting tapered motor shaft includes a first sealing shaft, a positioning shaft, a support shaft, a rotor shaft, a second sealing shaft, and a tapered shaft. The positioning shaft is fixedly connected to one end of the first sealing shaft, and the support shaft is fixedly connected to the other end of the positioning shaft. The other end of the support shaft is detachably connected to one end of the rotor shaft. A toothed bushing is fitted onto the rotor shaft, and the other end of the rotor shaft is also detachably connected to the second sealing shaft. The other end of the second sealing shaft is fixedly connected to one end of the tapered shaft. This invention allows for easy disassembly and replacement of the vulnerable rotor shaft when it is damaged, thanks to springs and a special-shaped groove. Furthermore, the toothed bushing allows for quick installation of the motor rotor. Thus, after wear or damage, only the vulnerable parts need to be repaired and replaced, eliminating the need for complete replacement and reducing costs while improving work efficiency.
Owner:NINGBO ZHENMING SHAFT

A special-shaped casting machining clamp

The utility model relates to a special-shaped casting machining clamp, effective solution special-shaped workpiece side face clamping tool clamping efficiency low problem, the technical scheme that solves includes bottom plate, is equipped with two groups of clamping unit on the bottom plate, each clamping unit includes a strip plate along the front -back direction setting, and the strip plate can slide left and right on the bottom plate, and the upper surface on the strip plate rotatably installs a plurality of clamping roller, and the clamping roller is evenly distributed along the front -back direction, and each clamping roller is composed of a vertical cylinder and a vertical mandrel, and the cylinder is eccentric fixed with the mandrel, and the lower end of the mandrel rotatably installs on the strip plate, and the mandrel is equipped with torsion spring, and under the action of torsion spring, the side of cylinder farthest from the mandrel axis faces inwards, the strip plate is equipped with two front -back direction clamps, and two clamps are arranged left and right symmetry, and the inside of each clamp is opened a plurality of arc grooves corresponding with the mandrel one to one, the utility model can automatically adapt the radian of workpiece, and the clamping stable efficiency is high.
Owner:NINGLING COUNTRY KAIYUAN MASCH FOUNDRY CO LTD

Lightweight flywheel shell processing equipment

PendingCN122442405AElectric machineryFlywheel
The present application relates to the technical field of lightweight flywheel shell processing, and proposes a lightweight flywheel shell processing device, which comprises a processing table and a placement table for supporting the flywheel shell on the processing table, three groups of sliding grooves are evenly arranged on the processing table, a supporting block is slidingly installed on each group of sliding grooves, a supporting frame is fixedly installed on the supporting block, a positioning plate is slidingly installed on the supporting frame, two groups of rotating shafts are rotatably installed on the supporting frame, and a rotating frame rotatably connected with the supporting frame is fixedly installed on each group of rotating shafts. By starting the three groups of motors on the processing table, the positioning frame at the end of the rotating frame is moved towards the flywheel shell, the semicircular blocks at the ends of the multiple groups of sliding rods arranged in the circumferential direction will sequentially contact the special-shaped outer surface of the flywheel shell, the sliding rods at different positions will be pressed into the limiting grooves of the positioning frame to different degrees, the shape of the flywheel shell is adaptively matched, and it is ensured that the multiple groups of semicircular blocks are tightly attached to the outer surface of the flywheel shell.
Owner:JILIN DAHUA MACHINERY MANUFACTURING CO LTD

A special-shaped shaft processing machine tool

PendingCN122441989ARelative slipAbnormal shaped
This application relates to a machine tool for machining irregularly shaped shafts, specifically in the field of shaft machining. It includes a bed and a center rest. The bed is rotatably connected to a chuck for clamping and rotating the workpiece. The center rest includes an inner ring and an outer ring, both coaxial with the rotation axis of the chuck. The lower end of the outer ring is slidably connected to the bed in a horizontal direction. The inner ring and outer ring are rotatably connected coaxially. The inner ring has several support claws arranged circumferentially, one end of each support claw serving as an abutment end extending into the inner ring. The inner ring is equipped with an adjustment assembly for adjusting the distance between the abutment end and the inner ring axis. After the shaft workpiece enters the center rest, the abutment end abuts and limits the workpiece from different directions. The rotation of the workpiece causes the inner ring to rotate synchronously. Because there is no relative slippage between the support claws and the workpiece, regardless of whether the workpiece cross-section is perfectly circular, it provides good support for the workpiece. Therefore, there is no need for pre-machining of grooves, thus improving machining efficiency.
Owner:烟台理工学院

Spring profiled end ring comprehensive inspection regulation

The utility model relates to a spring special-shaped end ring comprehensive detection rule belongs to spring detection technical field, including outer cylinder and inner cylinder, and the bottom surface support part is clamped between outer cylinder and inner cylinder, and the first end of bottom surface support part is equipped with the end location surface, and the end location surface is as spring location reference, the inner wall of outer cylinder, the outer wall of inner cylinder are all equal diameter and variable diameter composite curved surface structure, the inner wall of outer cylinder includes outer cylinder equal diameter curved surface and outer cylinder variable diameter curved surface, and the outer wall of inner cylinder includes inner cylinder equal diameter curved surface and inner cylinder variable diameter curved surface, and the upper portion of outer cylinder is equipped with the lifting cambered surface, the utility model discloses simple operation, and ordinary operator can complete the detection fast, can detect multiple sizes synchronously, greatly shorten the detection time, satisfy the production line batch detection demand, the utility model discloses unified detection reference, guarantees product size and shape consistency, and the manufacturing cost is low, and the adaptability is strong, is not affected by conventional detection environment.
Owner:SHANDONG LIANMEI SPRING CO LTD

Injection mold for a profiled workpiece

The application relates to a special-shaped workpiece injection mold, and belongs to the field of injection processing. The injection mold comprises a movable mold and a fixed mold. The movable mold and the fixed mold form a cavity of an injection workpiece after being combined. An ejection mechanism for ejecting a formed workpiece is arranged on the movable mold. The fixed mold comprises a bottom mold, a top plate, a demolding ejector pin, an elastic element and a control assembly. The top plate is slidably arranged on the bottom mold in the direction of the movable mold. The demolding ejector pin is arranged on the top plate and slidably penetrates the bottom mold. The elastic element is arranged on the bottom mold and is used for driving the top plate to move in the direction of stretching out of the bottom mold with the demolding ejector pin. The control assembly is arranged on the bottom mold and is used for driving the top plate to retract into the bottom mold with the demolding ejector pin when the molds are combined. The application has the effects of reducing the pulling on the workpiece during demolding, reducing the possibility of deformation of the workpiece under stress during demolding, and effectively improving the forming quality of the injection workpiece.
Owner:SHANGHAI PRECISE IND

A machining tool for a special-shaped movable contact

The utility model relates to a moving contact machining technical field especially a special-shaped moving contact machining frock, aims at solving the problem of the insufficient positioning of the existing clamping frock. The special-shaped moving contact machining frock provided by the utility model includes positioning shaft, gland and positioning strip, the annular blank and the gland are all sleeved on the positioning shaft, and the two ends of the annular blank abut on the positioning shaft and the gland respectively, the outer periphery of the annular blank is provided with the through groove extending along the axial direction, and the positioning strip is clamped in the through groove, and the positioning strip is connected with the positioning shaft and the gland. The utility model realizes the axial positioning and locking of the annular blank through the cooperation of the positioning shaft and the gland, the positioning strip is clamped in the through groove of the annular blank, and the positioning and locking of the circumference of the annular blank are realized, the reliable positioning and locking are realized through the cooperation of the three, so that the rotation of the blank due to the insufficient clamping force, vibration and other reasons is avoided, and the situation that the machining precision and the machining quality are insufficient is caused.
Owner:HENAN XINFENG NEW MATERIALS CO LTD

A valve body machining positioning fixture

ActiveCN224425003UAbnormal shapedPiston rod
This utility model relates to the field of valve body processing technology, specifically a positioning fixture for internal cutting of valve bodies. It includes a mounting base, a support block fixed to the top surface of the mounting base, a rotating shaft rotatably connected to the upper end of the support block, a connecting block fixed to the outer peripheral wall of the rotating shaft, and a positioning component fixed to the end of the connecting block away from the rotating shaft. The positioning component includes a cross block with multiple limiting grooves arranged in a circular array on the cross block. A slider is slidably connected inside the limiting grooves, and a cylinder is mounted on the side wall of the slider. The outer peripheral wall of the piston rod of the cylinder is slidably connected to the slider, and a positioning catch block is fixed to the piston rod of the cylinder. A valve body is located outside the cross block. Through the multi-faceted pressure formed by the cylinder and the positioning catch block, a wrap-around clamping effect is achieved for right-angle and bent parts of the valve body, adapting to irregularly shaped valve bodies and overcoming the limitations of traditional planar clamping. This facilitates rotation of the valve body after clamping and positioning, and is suitable for internal cutting of valve bodies at different angles.
Owner:CHANGZHOU ZUNTAI PRECISION MACHINERY CO LTD

A simple device for measuring the thickness of precision mechanical parts

This utility model discloses a simple device for measuring the thickness of precision mechanical parts, relating to the field of precision mechanical parts inspection. The device includes a caliper with an inner wall measuring unit on one side. The inner wall measuring unit includes a sleeve, a rotating post, and a threaded post. The sleeve is movably engaged with one side of the caliper; the rotating post is rotatably connected to the sleeve; and the threaded post is rotatably connected inside the rotating post, with the threaded post threadedly engaged with the rotating post. This device, by setting the inner wall measuring unit on one side of the caliper and using the sleeve to movably engage the inner wall measuring unit with the caliper, allows for position adjustment according to measurement needs. The rotating post can rotate relative to the sleeve, facilitating adjustment of the measuring angle to accommodate different internal structures of irregularly shaped parts. The threaded post is threadedly engaged with the rotating post; rotating the threaded post changes its extension length beyond the rotating post, allowing it to contact the inner top of irregularly shaped parts such as curved blocks, thus achieving accurate thickness measurement.
Owner:LUOYANG LINGGUAN MEASUREMENT & CONTROL EQUIP CO LTD

A self-centering compensating clamping device for machining irregularly shaped titanium alloy metal parts

PendingCN122077421Aavoid displacementEffectively resist complex cutting vibrationsPositioning apparatusMetal-working holdersTitanium alloyAbnormal shaped
This invention discloses a self-centering compensating clamping device for machining irregularly shaped titanium alloy metal parts, belonging to the field of compensating clamping technology. It includes an adapting component, with multiple adapting components arranged around the outside of a centering ring. Each adapting component includes a longitudinally movable bushing. In this invention, when the first and second extrusion plates approach the component, the abutment plate, under force, can automatically rotate around the rotating joint to adjust its orientation. Through the damping and buffering effect of the telescopic rod and the third and fourth springs, it perfectly conforms to the irregular curved surface of the irregularly shaped part. Furthermore, by linking the radial clamping of the first centering component with the top limiting of the second centering component, while performing circumferential extrusion and centering of the component, it can also fully compress and limit the longitudinal space from the top, effectively resisting the complex cutting vibrations generated during titanium alloy machining and preventing workpiece displacement.
Owner:HANGZHOU XIAOSHAN FANUO DECORATION CO LTD

An automatic grinding device for castings

ActiveCN224425119Uunlimited sizeWill not shiftMachineGrinding wheel
This utility model provides an automatic grinding device for castings. The X-axis slider can slide along the X-axis slide rail extension direction, the Y-axis slider can slide along the Y-axis slide rail extension direction, and the Z-axis slider can slide along the Z-axis slide rail extension direction. By moving the slider arbitrarily along the X, Y, and Z axes, the grinding head of the grinding machine can grind the casting gate at any position, making the grinding process unrestricted by the size of the casting gate or the size of the grinding wheel. When clamping the casting, the first and second jaws are each driven by a driving mechanism. When the casting is a regular cube or cuboid structure, both driving mechanisms are activated simultaneously, causing the first and second jaws to clamp one end of the casting at the same time. When clamping irregularly shaped parts, such as "convex" shaped castings, one driving mechanism is first activated to drive the two first jaws to clamp the wider part of the casting, and then another driving mechanism is activated to drive the two second jaws to clamp the narrower part of the casting, thus achieving the purpose of clamping irregularly shaped parts.
Owner:ANHUI BISHA MECHANICAL & ELECTRICAL TECH CO LTD

Die casting device for alloy shell vibration assisted demolding

This invention relates to the field of die casting technology, specifically to a die casting molding device for vibration-assisted demolding of an alloy shell. The device includes a base frame, a crossbeam mounted on top of the base frame, and a moving die and a fixed die arranged parallel to each other on the crossbeam. A fixed mold frame is located on the side of the fixed mold facing the moving die. A limiting plate is located on the back of the fixed mold frame. Guide rails are symmetrically arranged vertically on the side of the limiting plate facing away from the fixed mold frame. Two sliders are slidably mounted on each guide rail. An electric screw is positioned between the two sliders on different guide rails, and a vibration motor is threaded onto the electric screw. Two irregularly shaped guide grooves are formed on the limiting plate. The electric screw drives the vibration motor to move along the trajectory of the irregularly shaped guide grooves. By driving the vibration motor along the trajectory of the C-shaped guide grooves, the electric screw achieves comprehensive and uniform vibration of the fixed mold frame and the mold frame, effectively breaking the adhesion between the alloy shell and the inner wall of the mold frame.
Owner:SUZHOU HAOWEI PRECISION DIE CASTING CO LTD

A tire mold pattern block bench finishing platform

The utility model relates to tire processing technical field, concretely is a kind of tire mould pattern block bench work finishing platform, including operation bench, the operation bench is equipped with multidirectional adjusting mechanism, the top of multidirectional adjusting mechanism is fixed with upper disc, the top of upper disc is equipped with clamping mechanism, clamping mechanism includes the main clamping component for exerting clamping force to the both sides of workpiece, and the auxiliary clamping component for the auxiliary support of workpiece camber surface. Through clamping mechanism adopt main clamping component and auxiliary clamping component collaborative working mode, main clamping component provides symmetrical clamping force from side, auxiliary support unit provides adaptive support to the complex structure such as pattern block camber surface, special-shaped surface, forms the stable clamping of multidots, all directions, effectively solve the problem that traditional pair of clamps mode is single, easy to slide, can adapt to the clamping demand of different specifications, different structure pattern block, significantly improve the stability and precision of finishing operation.
Owner:HUBEI XIAGUANG TECHNOLOGY CO LTD

A special flange connecting structure for special-shaped pipes

The utility model discloses a kind of flange special connecting structure suitable for special-shaped pipeline, belong to special-shaped pipeline flange connection technical field, including bolt and nut, further including limiting mechanism, the limiting mechanism includes the swivel block being located at bolt and nut end part, the surface of the swivel block is equipped with fixed frame, the inner wall slidingly connected of the fixed frame has resistance rod, the surface of the resistance rod is connected to the inner wall of swivel block. Through the above-mentioned mode, by bolt and nut mutual cooperation, special-shaped pipe and valve body are stably connected, by multiple swivel blocks respectively to the one end of bolt and nut is blocked, by resistance rod and stop block mutual cooperation, and then the swivel block is locked, compared with the looseness of valve body and pipeline connection in the fluid flow of existing, the present mode is blocked stably by bolt and nut, ensure that fluid in flow, valve body and special-shaped pipe connection place is stable.
Owner:SUZHOU CHENGJIAN FLANMFG

A jig for irregularly shaped parts with a tunnel-type pressure plate

This application relates to a jig for irregularly shaped parts with a tunnel-type clamping plate, comprising a mounting base, a mounting bracket, and a first clamping assembly. The mounting base and mounting bracket have limiting structures for arranging the irregularly shaped workpiece. The first clamping assembly includes an abutment block arranged in an arc-shaped groove of the irregularly shaped workpiece, a rotating pressure rod for pressing the abutment block downward, a rotating abutment seat arranged on the mounting base for rotating the rotating pressure rod, and a first driving mechanism for driving the rotating pressure rod to swing up and down. One end of the rotating pressure rod is arranged in a second conduit of the irregularly shaped workpiece and has a first abutment portion that abuts against the abutment block. The rotating abutment seat has a rotating shaft arranged perpendicular to the length direction of the rotating pressure rod for abutting the upper end face of the rotating pressure rod. This application has the effect of clamping the irregularly shaped workpiece without the clamping portion interfering with the end face to be processed.
Owner:NINGBO LIAN YOU PRECISION MFG CO LTD

A machining device for a gearbox of a straightening machine

PendingCN122299432AMachineAbnormal shaped
This invention belongs to the field of gearbox machining technology for tension leveling machines, specifically relating to a machining device for a gearbox of a tension leveling machine. The device includes a worktable, a boring mechanism, and an adaptive clamping unit. The worktable has multiple locating pin holes and multiple locating keyways for positioning the bottom of the gearbox. The boring mechanism includes a fixed frame and an execution component. The fixed frame is positioned above the worktable, and the execution component is mounted on the fixed frame for boring the output shaft hole of the gearbox. The adaptive clamping unit includes multiple clamping mechanisms symmetrically arranged on the left and right sides of the worktable for clamping the gearbox and dynamically adjusting the clamping force. Compared to traditional pressure plate clamps, this invention achieves stable and reliable clamping of irregularly shaped gearboxes for tension leveling machines. The force at each clamping point is adjustable, avoiding elastic deformation of the gearbox body caused by excessive local clamping force, and significantly improving machining accuracy.
Owner:HENAN TONGJI REDUCER CO LTD

A positioning assembly for a high efficiency injection molding machine

ActiveCN224296399UGear wheelSlide plate
The utility model relates to the technical fields of injection molding machine, and disclose a kind of positioning assembly for high -efficient injection molding machine, including base and fixed installation in the vertical plate of base top near left and right two sides, the top of vertical plate is fixedly installed with placing table, and the top of placing table is near left and right sides The top is uniformly provided with moving plate, and the opposite side of moving plate is fixedly installed with positioning plate, by the intercoordination between rack plate, U-shaped rod, movable gear, threaded rod A, threaded rod B, threaded sleeve, special-shaped rod, sliding plate, sliding rod, return spring and auxiliary plate These components, when the relative movement of positioning plate can drive the relative movement of the auxiliary plate of front and back sides, realize the clamping of the front and back sides of injection mold, play the role of making it in the middle, and return spring can play the role of buffering, avoid moving distance too much and affect normal clamping effect, further improve the positioning effect.
Owner:CONGWEI MASCH (KUNSHAN) CO LTD

Frictionless double-seal ball valve

The utility model belongs to the technical field of ball valve, and relates to a kind of frictionless double-seal ball valve, it includes valve body, and the left and right sides of valve body are opened and are respectively connected with sealing seat flange at opening, and gasket is arranged between the connecting place of sealing seat flange and valve body, and the valve plate of half-arc spherical shape is respectively arranged in valve body to correspond the sealing seat flange of two sides, sealing ring is arranged on the outer side wall of valve plate to correspond the end of sealing seat flange, the inner side wall of valve plate is provided with push rod, rotating support is arranged in the middle of valve body, two push rods are respectively inserted into rotating support from the left and right sides of rotating support, hollow inclined block is arranged in rotating support, two pairs of special-shaped hole channels are arranged in front and back in pair on the both sides of hollow inclined block, the inner end of two push rods is respectively inserted into two pairs of special-shaped hole channels and can slide in special-shaped hole channel, screw rod is connected on the upper portion of hollow inclined block, and steering sliding block body is fixed on the outer side of middle portion of screw rod.The utility model can be without friction when opening and closing valve, and the force distance of valve opening and closing is small, more energy-saving, and can reach zero leakage.
Owner:TIELING SPECIAL VALVE

A type of sealed tapered roller bearing

This utility model relates to the field of bearings and discloses a sealed tapered roller bearing, including an inner ring, an outer ring, a cage, and tapered roller bodies. Sealing skeletons are provided on both sides of the outer ring, and O-rings are provided between the sealing skeletons and the outer ring. A sealing rubber is connected to one side of the sealing skeleton, and the end of the sealing rubber is fitted against the side of the inner ring. A spring is circumferentially fitted on one side of the sealing rubber. Steps are provided on both sides of the outer ring, and axial fixing members are provided on one side of each step. In this utility model, the bearing O-ring contacts the irregularly shaped sealing skeleton, and the sealing rubber contacts the inner ring retaining edge of the bearing, with a stable contact force provided by the spring. Radial positioning of the skeleton is achieved through the installation fit between the skeleton and the bearing housing, and axial positioning of the skeleton is achieved through contact with the axial positioning member (an adjacent mounting part of the bearing). An appropriate amount of grease is filled inside the bearing to achieve a maintenance-free function.
Owner:CHANGZHOU EDISON BEARING MANUFACTURING CO LTD

A device for transplanting special-shaped parts with variable distance function

This utility model discloses a device for transferring irregularly shaped parts with variable distance function. It relates to the technical field of transferring irregularly shaped parts cut from a strip material into a strip carrier. The piston rod of a lifting cylinder extends downwards, and a lifting plate is fixed to the extended end. A first L-shaped plate is fixed to the right end face of the lifting plate, and a first redirecting component for changing the direction of the irregularly shaped part is provided between the first L-shaped plate and the lifting plate. A downwardly extending mounting plate is fixed to the left end face of the lifting plate, and a variable distance cylinder is fixed to the left end face of the mounting plate. The piston rod of the variable distance cylinder passes through the mounting plate to the right, and a movable plate is fixed to the extended end. A second L-shaped plate is fixed to the rear end face of the movable plate, and a second redirecting component for changing the direction of the irregularly shaped part is provided between the second L-shaped plate and the movable plate. The beneficial effects of this utility model are: shortening the transfer time of irregularly shaped parts and greatly improving the transfer efficiency of irregularly shaped parts.
Owner:CHENGDU HOMIN TECH

An easy-to-install insulated composite crossarm

ActiveCN224452377UDesign teamTower
This utility model discloses an easily installable insulated composite crossarm, belonging to the field of insulated composite crossarms. It aims to solve the problem that the current common approach in the prior art is to separately customize special irregular clamps. However, from a cost perspective, customizing irregular clamps requires more design investment. The design team not only needs to design separately for different shaped towers but also needs to conduct repeated simulation tests to ensure that the irregular clamps can meet the mechanical performance requirements under different working conditions, leading to a significant increase in the overall project cost. The crossarm includes an insulated composite crossarm with a mounting plate at its lower end. The mounting plate has a splicing mechanism at its outer end, and mounting mechanisms at both its inner and outer ends. Each mounting mechanism includes adjusting blocks connected to the left and right ends inside the mounting plate, with a bearing installed at the end of the adjusting block furthest from the center of the mounting plate.
Owner:HEBEI OUHANG ELECTRIC POWER EQUIPMENT CO LTD

Design method of rectangular section ring blank for roll forming outer shoulder structure ring

This invention relates to a method for designing a rectangular cross-section ring blank for roll forming an external boss structure ring, belonging to the field of irregular ring roll forming technology. It solves the technical problem of insufficient formability, such as filling defects, in the roll forming process of external boss structure rings, and includes the following steps: S1, taking h... r =h, characteristic parameter h of the boss height c =h0 / h r S1. The boss thickness filling coefficient is K0; S2. The rolling feed rate ΔR is determined according to the boss thickness filling coefficient K0; S3. The rolling feed rate ΔR determines the thickness t of the ring blank; S4. The inner diameter d and outer diameter D of the ring blank are determined according to the thickness t of the ring blank obtained in step S3, thus completing the design of the rectangular cross-section ring blank. This invention can accurately determine the inner and outer diameter dimensions of the rectangular cross-section ring blank, reduce the number of trial and error, achieve good filling effect of the boss part, shorten the process flow, reduce energy consumption and production costs, and realize short-process accurate forming of ring parts with external boss structure.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Method for determining stable forming conditions of large taper special-shaped ring disc piece during whole spinning process

PendingCN122274058ARotational stabilityAbnormal shaped
A method for determining stable forming conditions throughout the rotary rolling process of a large-tapered irregular-shaped ring disc. First, with the goal of maintaining a uniform change in the outer diameter of the large end of the ring disc throughout the rotary rolling process (a constant rate of decrease or increase), the key process parameters for the entire rotary rolling process of the large-tapered irregular-shaped ring disc are established, namely, the core roll feed speed v. f axial feed speed v of the cone roller a Radial translation speed v of the conical roller w The rate of change of the diameter of the ring disk component, v D Main roller speed n1 and cone roller speed n a The invention establishes the functional relationship between the parameters; secondly, it determines the value range of key process parameters for rotary rolling by combining rotational stability forming conditions, bite-in conditions, and roll-through conditions; finally, it determines the stable forming conditions for the entire rotary rolling process of large-tapered irregular-shaped ring discs. This invention provides a theoretical basis for the optimized design of process parameters for rotary rolling of large-tapered irregular-shaped ring discs, and provides an important guarantee for achieving stable operation of the entire rotary rolling process and obtaining high-quality ring discs.
Owner:XINJIANG UNIVERSITY

An adjustable three-point clamping device for machining irregularly shaped parts

This utility model discloses an adjustable three-point clamping device for machining irregularly shaped parts, including a clamping base and multiple multi-point clamping components. The clamping base is provided with multiple adjustment grooves, and the multi-point clamping components are all disposed in the adjustment grooves. Each multi-point clamping component includes an adjustment block, a pressure rod, and an adjustment plate. The adjustment blocks are all slidably disposed in the adjustment grooves, with one end of each adjustment block protruding upwards to form a first clamping part, and the other end of each adjustment block having a vertical positioning groove. The adjustment plates are all slidably disposed in the positioning grooves. One end of each pressure rod is bent and protrudes to form a second clamping part. This utility model has a simple structure. The first clamping part, which comes together, can clamp and fix one end of the irregularly shaped tool in multiple directions. The pressure rod can be adjusted according to the length of the irregularly shaped workpiece, and a screw can push the pressure rod to rotate around the hinge until the second clamping part on the pressure rod clamps and fixes it to the other end of the irregularly shaped workpiece, greatly increasing the stability in subsequent processing.
Owner:SHIYAN FUXING AUTO PARTS CO LTD

A high-precision machining numerical control machine tool for a piston special-shaped fine outer circle

This invention relates to the field of piston processing equipment technology, and provides a high-precision CNC machine tool for machining the outer diameter of irregularly shaped pistons. The machine tool includes a worktable, a support frame mounted on the top of the worktable, a bearing mechanism mounted on the top of the support frame, a clamping mechanism mounted directly above the support mechanism on the support frame, and a first adjusting mechanism mounted on one side of the worktable on the support frame. A first grinding mechanism is mounted on the first adjusting mechanism. By configuring two independent grinding heads for the first and second grinding mechanisms, multiple processes or segmented machining of the piston's outer diameter can be performed in a single clamping operation, avoiding secondary clamping errors and significantly improving machining efficiency and shape accuracy. The clamping mechanism uses a ball bearing bushing to connect the output end of the clamping cylinder to the clamping head, ensuring stable workpiece clamping while avoiding deformation and resistance caused by rigid clamping, thus improving machining accuracy and surface quality.