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370 results about "Abnormal shaped" patented technology

Precise clamp device for machining special-shaped workpiece in mechanical design

The invention discloses a precision clamp device for machining special-shaped workpieces in mechanical design, and relates to the technical field of mechanical manufacturing, the precision clamp device comprises a base main body, a reference bottom plate, a plurality of rotating shafts and corresponding elastic clamping blocks, the reference bottom plate is arranged on the base main body, and positioning slots are formed for the rotating shafts to be rotatably mounted; the rotating shafts can independently rotate and drive the elastic clamping blocks to deflect to adapt to the irregular surface of the special-shaped workpiece, the rotating shafts comprise rotating blocks matched with the inserting grooves and adjusting sliding grooves extending along the shaft length, and the rotating shafts are evenly distributed on the circumference of the reference bottom plate; an elastic clamping block is connected with a transmission screw and an adjusting nut, a linear sliding block is arranged to be matched with an adjusting sliding groove, a self-adaptive contact is arranged on the side, facing the clamping center, of the elastic clamping block, the contact is provided with an elastic protection contact end cover, and a stress sensing connecting rod and an elastic buffering spring are installed in the contact. A movable rod penetrates through the base body, one end of the movable rod is connected with a control handle, the other end of the movable rod is connected with a self-adaptive pressing plate, the movable rod is sleeved with a reset spring, the pressing plate is provided with a profiling abutting block, and the clamping stability is improved.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Numerical control planer type milling machine convenient for clamping workpieces

The invention discloses a numerical control planer type milling machine convenient for clamping workpieces, which belongs to the technical field of numerical control machine tools and comprises a bottom frame, an H-shaped frame is fixedly mounted in the bottom frame, a linear module is fixedly mounted on the upper surface of the H-shaped frame, a placing plate is fixedly mounted on the upper surface of a moving block of the linear module, and a lifting mechanism slidably sleeves the upper end of the outer surface of the placing plate. The inner ring wall of the lifting mechanism is engaged with the four pressing and clamping mechanisms, and the four pressing and clamping mechanisms slide on the upper surface of the lifting mechanism at the same time and can slide and adjust the pressing and clamping directions on the upper surface of the lifting mechanism by taking the frame appearance of the lifting mechanism as a guide rail through engagement transmission force. Through the design of the lifting mechanism and the pressing and clamping mechanism, only manual workpiece placement, follow-up parameter recognition, height and direction adjustment and full-automatic clamping force control are needed, manual clamp adjustment is not needed, the special-shaped workpiece can be adapted, and the machining quality consistency is guaranteed.
Owner:JONAK CNC EQUIPMENT (JIANGSU) CO LTD

Mechanical claw with self-adaptive grabbing function

According to the mechanical gripper with the self-adaptive grabbing function, the exposed end of a piston rod is sleeved with a connecting rod base through a vertical through hole A, and the connecting rod base is fixedly connected with a cylinder barrel; the exposed end of the piston rod is fixedly sleeved with the pushing seat through a vertical through hole B, two pairs of movable seat lug plates A are symmetrically arranged at the left end and the right end of the upper portion of the pushing seat, and two movable seat lug plates B are symmetrically arranged at the left end and the right end of the lower portion of the pushing seat; the two clamping jaw mechanisms are oppositely distributed on the left side and the right side of the piston rod. The clamping jaw mechanism comprises a clamping jaw base, a plurality of elastic jaw teeth and a shovel body; the two transmission assemblies are distributed corresponding to the two clamping jaw mechanisms correspondingly. Each transmission assembly comprises a connecting frame A, a connecting frame B and a connecting frame C; each transmission assembly is connected with the corresponding connecting rod base, the corresponding pushing base and the corresponding clamping jaw mechanism on one side. The mechanical claw has the self-adaptive posture adjusting capacity, self-adaptive grabbing operation of objects in different shapes or special-shaped workpieces can be achieved under the condition that the mechanical claw is not replaced, and the grabbing operation efficiency can be remarkably improved.
Owner:CHINA UNIV OF MINING & TECH

Design method of complex special-shaped ring rolling preformed blank with inner and outer grooves based on metal flow regulation and control

The invention belongs to the technical field of ring piece rolling forming and manufacturing, and discloses a design method for a complex special-shaped ring rolling preformed blank with inner and outer grooves based on metal flow regulation and control. The shape of a preformed blank is designed to be a special-shaped section annular blank with the height of an outer side groove lower than that of an outer side groove of a target ring piece; the deformation amount of the pre-rolling step and the deformation amount of the final rolling step are distributed, the total deformation amount, the deformation amount of the pre-rolling step and the deformation amount of the final rolling step in the ring rolling process are determined through the outer diameter ratio, and the numerical value relation among the three deformation amounts is met; on the basis of the deformation distribution result, various size parameters of the preformed blank are determined, and the size parameters comprise the height, the outer side transition area bevel angle, the outer side groove depth, the outer side groove outer diameter, the end face outer diameter and the inner diameter. According to the method, metal flowing regulation and control are achieved through multi-step rolling, metal is effectively promoted to fill the cavity, the defect of under-filling is avoided, and the material utilization rate and the preformed blank design efficiency are improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Fixture for automobile maintenance and welding

The utility model relates to the technical field of welding fixtures, and particularly discloses an automobile maintenance welding fixture which comprises a bearing mechanism and a clamping mechanism, the bearing mechanism comprises a base and a movable rail plate installed on the base, a movable groove is formed in one surface of the movable rail plate, and a movable protruding block is installed in the movable groove. The clamping mechanism comprises a second extrusion plate fixedly installed on the vertical plate and an open groove formed in the vertical plate, the open groove penetrates through the vertical plate, a sliding protruding block is slidably connected into the open groove, and one end of the sliding protruding block is fixedly connected with a first extrusion plate; according to the device, the movable rail plate with the two movable seats is arranged, some special-shaped workpieces with radians can be clamped and fixed, meanwhile, the stand columns, provided with the arc-shaped positioning plates, on the movable seats can contract or expand along with movement of the movable seats, and therefore circular workpieces of different sizes can be clamped and fixed; the device can be suitable for various types of workpieces, operation is easy and convenient, and practicability is high.
Owner:ZHEJIANG GUANGTONG AUTOMOBILE CO LTD TRADE UNION COMMITTEE

Industrial mechanical clamping jaw

The invention discloses an industrial mechanical clamping jaw, and relates to the technical field of mechanical clamping jaws, the industrial mechanical clamping jaw comprises mounting plates, one end between the mounting plates is connected with a first hinge rod through a driving assembly, the front and rear ends of the mounting plates are both provided with second hinge rods, and the first hinge rod is connected with the second hinge rods; a clamping box is mounted at the lower end of one end between the second hinge rods; a clamping mechanism used for limiting the special-shaped workpiece is arranged on the inner side of the clamping box, and adjusting mechanisms used for adjusting the height of the clamping mechanism are arranged at the front end and the rear end of the clamping box. According to the industrial mechanical clamping jaw, the upper end of the clamping box can be matched with a workpiece, the workpiece is clamped, when the special-shaped workpiece needs to be clamped, a positioning hole is reserved in the surface of the special-shaped workpiece, and a limiting block on the outer side of a gear ring is clamped into the positioning hole to limit the position of the special-shaped workpiece; and then the special-shaped workpiece is clamped through the upper end of the clamping box.
Owner:DONGGUAN ZHONGTIAN HI-TECH METAL PRODUCTS CO LTD

Method for two-stage closure of a roller extrusion facility for precise adjustment of the air gap for generating a profiled element

ActiveUS12479147B2TyresAbnormal shapedPhysics
A method for closing a facility (1) for extrusion of a profiled element (2) comprising a roller (3) supported by a bearing (4), a tool module (10) intended to interact with the roller (3) so as to form an air gap (12) for shaping the profiled element (2), and at least a first head module (13) having a first extruder (14) comprises an engagement step (s1), during which the tool module (10) is urged against the first bearing (4) by a preload force (F_Z), in an engagement direction (Z), then a clamping step (s2) during which the tool module (10) is clamped between the first head module (13) and a second head module (23), on either side of the tool module (10), and by subjecting them to a clamping force (F_X), in a coupling direction (X) which is transverse to the engagement direction (Z).
Owner:MICHELIN & CO (CIE GEN DES ESTAB MICHELIN)

A fixture for a profiled joint

The utility model provides a tool fixture of special-shaped joint, including fixture base, fixed structure and clamping structure, wherein, fixed structure and clamping structure are installed in fixture base respectively, and fixed structure is used to position special-shaped joint, and clamping structure can move relative to fixture base, and clamping structure includes clamping drive assembly, flexible clamping assembly and clamping assembly, and flexible clamping assembly and clamping assembly are connected with clamping drive assembly respectively, and special-shaped joint is positioned and clamped through the cooperation of flexible clamping assembly and fixed structure, and after special-shaped joint is positioned and clamped, special-shaped joint is fixed through the cooperation of clamping assembly and fixed structure, so as to reduce the positional deviation of special-shaped joint in the clamping process, thereby improving the inner hole machining precision of special-shaped joint.
Owner:HANGZHOU EDA PRECISION ELECTROMECHANICAL TECH CO LTD

Shock absorber structure of washing machine

The utility model relates to the technical field of shock absorbers, in particular to a shock absorber structure of a washing machine, which comprises a shock absorber barrel body, a shock absorber column body, a connecting assembly, a connecting column, a stud, a special-shaped clamping block, a mounting seat, a limiting column, a lifting lug, a spring, a special-shaped clamping groove, a limiting groove, a lifting sliding groove and a spring groove. The connecting assemblies are arranged on the shock absorber cylinder body and the shock absorber column body, when overhaul and maintenance are needed, the lifting lugs are lifted through cooperation of all parts in the connecting assemblies, the springs are compressed, the limiting columns are separated from the limiting grooves, then the special-shaped clamping blocks slide out of the special-shaped clamping grooves of the connecting columns, and the shock absorber cylinder body and the shock absorber column body are connected. The shock absorber cylinder body and the shock absorber column body can be separated from the connecting assembly, so that the shock absorber can be conveniently and quickly taken down from the washing machine; the special-shaped clamping block is pushed into the special-shaped clamping groove, the limiting column is pressed into the limiting groove under the action of the spring, fixing of the connecting assembly, the shock absorber barrel and the shock absorber column is achieved, dismounting and mounting are convenient and fast, and later maintenance and replacement of the shock absorber are greatly facilitated.
Owner:NANJING DANPUER ELECTROMECHANICAL TECH CO LTD

Special-shaped ring for reciprocating motion sealing of clutch piston and retainer

The utility model discloses a special-shaped ring for reciprocating motion sealing of a clutch piston and a retainer, and belongs to the technical field of sealing rings. Comprising a main body part, a sealing lip part and an extension part, the main body part is integrally connected with the sealing lip part and the extension part, the main body part is arranged in an annular groove formed in the clutch piston, the sealing constraint area of the main body part and the outer surface of the clutch piston is increased through the extension part, and the main body part and the retainer are sealed through the sealing lip part. According to the special-shaped ring, by changing the external structure, the assembling boundary of the special-shaped ring and the assembling position is matched as much as possible under the condition that performance indexes are met, and an O-shaped structure is changed into a special-shaped structure, so that the sealing area of the special-shaped ring is enlarged, and the friction force is increased; the rubber body in contact with the mounting limit of relative movement is specially designed in structure, so that the rubber body still has better sealing performance during reciprocating movement, and is firmer and better in adaptability and sealing performance after being mounted under a complicated assembly limit.
Owner:HAERBIN LIMIN RUBBER FACTORY

Petal-shaped elastic polishing wheel structure

The invention discloses a petal-shaped elastic polishing wheel structure, and relates to the technical field of elastic polishing wheels, the petal-shaped elastic polishing wheel structure comprises a polishing wheel main body which is arranged in a clamping device in a limiting manner and is used for polishing a workpiece; the ejector pin is elastically inserted into the polishing wheel main body to sense the abrasion condition; the deformation plates are coaxially and symmetrically arranged on the inner wall of the polishing wheel body and used for elastically expanding the polishing wheel body; the adjusting rod is movably inserted into the deformation plate to drive the deformation plate to elastically deform; the moving columns are symmetrically arranged on the surface of the special-shaped clamping block and elastically move along with the displacement of the special-shaped clamping block. The characteristics that the elastic petal polishing head is in an independent hollow shape and can elastically deform during machining, and elastic materials can be gradually abraded, reduced and irreversible are ingeniously utilized, the backward retraction distance of the ejector pin during machining is combined with a one-way limiting structure, gaps generated by loss of the polishing head can be automatically made up in real time, and the machining precision is improved. And the preset fitting pressure between the working surface and the workpiece is kept all the time.
Owner:SHENZHEN CHUAN LIN TECH CO LTD

Special-shaped metal plate shell transfer frame

The utility model provides a special-shaped metal plate shell transfer frame. The special-shaped metal plate shell transfer frame comprises a frame base and a fixing unit. The frame base comprises a bearing plate and a forklift bracket base; the multiple fixing units are arranged on the bearing plate at equal intervals in the front-back direction. The fixing unit comprises a back plate vertically arranged on the bearing plate in the left-right direction and an adjusting clamping rod assembly. The clamping rod and the back plate are arranged in a spaced mode, and the shaft seat and the angle locking seat are fixed to the bearing plate. The lower end of the clamping rod is rotationally mounted on the shaft seat through a rotating shaft rod; the clamping rods rotate on a vertical surface by taking the rotating shaft rod as a circle center and are fixed by the angle locking seat; the four adjusting clamping rod assemblies are located at the left end and the right end of the front side and the rear side of the back plate. Protective layers are arranged on the front and rear side surfaces of the back plate and the surfaces, facing the back plate, of the clamping rods. The special-shaped metal plate shell transfer frame can be adjusted at multiple angles, is suitable for fixing special-shaped metal plates in complex shapes, and is high in adaptability and safe and stable in the transfer process.
Owner:TIANJIN SHENGLIN RUITAI TECH CO LTD

Special-shaped flange inclined hole lathe machining clamp

The utility model relates to the technical field of numerical control lathe chuck clamp equipment, and discloses a special-shaped flange inclined hole lathe machining clamp which comprises a base 1, a fixing assembly is arranged at the top of the base, a collecting assembly is arranged on the inner wall of the base, the fixing assembly comprises a sliding groove, a fixing bearing is arranged on the inner wall of the sliding groove, and the collecting assembly is arranged on the inner wall of the sliding groove. A threaded rod is arranged on the inner wall of the fixed bearing, and one end of the threaded rod is fixedly connected with a rotary knob. The special-shaped flange inclined hole lathe machining clamp is provided with a sliding groove, a fixed bearing, a threaded rod, a rotary knob, a movable frame, a clamping arm, a fixed plate, a positioning rod and a pressing disc, a worker places the concave face of a special-shaped flange on the fixed plate, the clamping arm is moved by rotating the rotary knob, the special-shaped flange is clamped, the pressing disc is pressed downwards by rotating the pressing disc, and the special-shaped flange inclined hole is machined. Therefore, the special-shaped flanges with different sizes and thicknesses can be fixed, the adaptability is improved, and the requirements of people are met.
Owner:WUXI HENGTONG SPECIAL ALLOY MFG CO LTD

Trimming die for special-shaped square box aluminum part

The trimming die for the special-shaped square box aluminum part comprises a bottom plate and a telescopic cylinder, a push seat is installed at the output end of the telescopic cylinder through a bolt, an adjusting assembly is arranged on one side of the interior of the push seat, and a limiting assembly is arranged on the other side of the interior of the push seat. And the adjusting assembly comprises a moving groove and a transmission groove, and a reciprocating screw rod is movably mounted in the moving groove through a bearing. Through the arranged adjusting assembly, when a rotating ring in the adjusting assembly is rotated, the rotating ring drives a screw rod to rotate synchronously, and due to the fact that the screw rod is in threaded connection with a pressing mold plate, drives the pressing mold plate to generate displacement and drives a telescopic rod to act synchronously, the device can conduct equipment adjustment on trapezoidal materials through the design, and meanwhile the device is convenient to operate. By means of the synergistic effect of the reciprocating rod, the reciprocating screw rod, the one-way bearing and the gear, the position of the movable seat can be flexibly adjusted, so that a user can precisely limit the trapezoidal materials according to the trapezoidal materials with different sizes and thicknesses, and the material limiting effect is remarkably improved.
Owner:ANHUI JINZI PACKAGING TECH CO LTD

Detection device for valve element machining

The utility model belongs to the technical field of valve core detection, particularly relates to a detection device for valve core processing, and aims to solve the problems of poor stability and incomplete detection data in the background technology, and provides the following scheme: the detection device comprises a detection table, an electric guide rail is mounted on the outer wall of the top of the detection table, and a sliding block of the electric guide rail is fixedly connected with an arm support; a sliding seat is fixedly connected to the outer wall of one end of the arm frame, a vertical seat is arranged on one side of the sliding seat, symmetrically-distributed side plates are welded to the outer wall of the top of the detection table, a horizontal air cylinder is fixedly connected to the inner wall of one side plate, a connecting piece is fixedly connected to a piston rod of the horizontal air cylinder, and a sealing cover is welded to the inner wall of one end of the connecting piece; the outer wall of one side of the sealing cover is fixedly connected with an air pipe. The valve core detection device has high stability, is well adaptive to the special-shaped structure of the valve core, is beneficial to improving the accuracy of the detection result of the device, and adopts diversified detection modes, so that the quality of the valve core can be known in multiple aspects.
Owner:CHANGZHOU HUIFENG SHIP ACCESSORY MFG CO LTD

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

Gear pitch outer diameter testing fixture

The utility model provides a gear pitch external diameter testing fixture tool, which comprises a mounting plate, the surface of the mounting plate is provided with three sliding chutes, positioning assemblies are assembled in the sliding chutes, and the mounting plate is connected with fixing assemblies at the end parts of the three sliding chutes. The positioning block and the fixing block are arranged on the base, the elastic buffering effect of the spring is utilized, impact force generated when the gear is placed can be effectively absorbed, it can be guaranteed that the relative position between the positioning block and the fixing block is stable, and in the special-shaped gear measuring scene, the diameter of the center circle of the positioning block is accurately measured through quadratic element measuring equipment; and the outer diameter size of the gear pitch is indirectly obtained.
Owner:PENG SHI FORESTRY MASCH EQUIP (JIANGXI) 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

Method, device and vehicle for determining mechanical zero of a special profile cam in a transfer assembly

The application discloses a method and device for determining a special-shaped cam mechanical zero position in a transfer assembly and a vehicle. The method comprises the following steps: obtaining a rotation angle of a special-shaped cam in a transmission mechanism; controlling a motor to perform a target action, so that the rotation angle is within a first range; in the case that the rotation angle is within the first range, controlling the motor to move, so that the rotation angle is monotonously transformed within a second range, and angle transformation information and torque transformation information are obtained; and determining a target angle corresponding to the mechanical zero position of the special-shaped cam according to the angle transformation information and the torque transformation information. The application solves the technical problem that the mechanical zero position of the special-shaped cam cannot be accurately determined due to assembly errors in the transfer assembly provided by the related art.
Owner:CHINA FAW CO LTD

Special-shaped ring rolling process method for tooth blank die forging forming

The invention relates to the technical field of combined machining, in particular to a special-shaped ring rolling process method for tooth blank die forging forming, which comprises the following steps: circularly adjusting the rotating speed of a main roller and the feeding speed of a core roller of a ring rolling device in real time according to the actual rotating angle of an annular blank, and correcting the eccentric degree of the annular blank; reflecting the matching condition of the radial strain rate and the axial strain rate according to the change of the convex part of the annular blank, adjusting a correction parameter for correcting the eccentricity degree of the annular blank, and adjusting the holding roller compression rate of the rolling ring device to make up the change of the length of the convex part; estimating the required torque of the main roller and the maximum static friction, and judging whether the eccentricity of the corrected annular blank can cause the required torque of the main roller to exceed the limit or not; when the required torque of the main roller exceeds the limit, the adjusting amplitude of the rotating speed of the main roller and the feeding speed of the core roller is reduced, and the judgment standard for judging whether the eccentricity degree of the annular blank can be corrected or not is called back. The forming uniformity of the non-standard annular special-shaped tooth blank is improved by combining die forging with ring rolling.
Owner:DA LIAN ZHONG XING DUAN ZAO YOU XIAN GONG SI

Special-shaped part turning and clamping tool

The utility model relates to a special-shaped part turning and clamping tool which comprises an inserting bottom column detachably inserted on a mounting seat of a turning machine tool, and a center adjusting table which can position a turning rotating center line of a workpiece in a reconfigurable mode is connected to the end face of the inserting bottom column. A limiting shell is arranged on the movement plane, away from the inserting bottom column, of the aligning table, a plurality of translation assemblies are embedded in the end face, away from the aligning table, of the limiting shell in a rotational symmetry mode, and the translation assemblies are further in transmission connection with equivalent driving assemblies installed in the limiting shell; a clamping head capable of correcting the clamping position difference in advance so as to conduct annular multi-point equivalent clamping limiting on the special-shaped part is further arranged at the translation end of the translation assembly. According to the special-shaped part clamping device, aviation special-shaped parts of various specifications can be stably clamped in a reconfigurable mode, meanwhile, turning can be carried out according to requirements, a rotating center line can be adjusted and positioned, and the special-shaped part clamping application range is widened.
Owner:SICHUAN HUANYU AEROSPACE TECHNOLOGY CO LTD

Method for machining a hybrid input shaft gear hub

The application discloses a kind of hybrid input shaft tooth hub's processing forming method, including the following steps: blanking, heating blanking;Blank stamping preforming, form the preformed blank with the preformed gear ring and preformed shaft body with two ends respectively have, the outer diameter of preformed gear ring and preformed shaft body All greater than the outer diameter of tooth hub set gear ring and shaft body;Final forging forming, make the sidewall of preformed gear ring inside and outside flat, and simultaneously forge out rib plate, and forge out a plurality of preformed hole forming groove with the width greater than the width of special-shaped hole set on rib plate;Cut off the flash excess material on the preformed gear ring outside of final forging forming blank, and punch out special-shaped hole preformed hole at the corresponding place of each preformed hole forming groove;Preformed gear ring inner spline is extruded by using cold extrusion process, while protrusions at the two orifices of special-shaped hole preformed hole are simultaneously extruded into special-shaped hole preformed hole by using piling extrusion process, and the chamfer of two ends orifice is simultaneously extruded, and the special-shaped hole with the size and shape consistent with set special-shaped hole is formed;Turning processing.
Owner:CHONGQING CHUANGJING WARM FORGING FORMING

Fixing device for machining special-shaped automobile hinge

The fixing device comprises a fixing seat, a translation mechanism is arranged at the top of the fixing seat, the translation mechanism is composed of a motor and a first screw rod, translation grooves are formed in the two sides of the top of the fixing seat, and the translation grooves are formed in the two sides of the top of the fixing seat. Two translation grooves are formed in the two ends of the first screw rod, one sides of the two translation grooves are rotationally connected with the two ends of the first screw rod through bearings, translation blocks are slidably connected to the interiors of the two translation grooves, threaded holes are formed in one sides of the two translation blocks in a penetrating mode, the two threaded holes are in threaded connection with the first screw rod, and one side of the motor is fixedly connected with the fixing base. And one end of the motor is fixedly connected with the first screw rod. The fixing effect of the special-shaped automobile hinge is improved, the welding effect of the special-shaped automobile hinge is improved, and the situation that the fixing effect of the special-shaped automobile hinge is poor due to the fact that the shape of the special-shaped automobile hinge is abnormal during welding, and the special-shaped automobile hinge falls off during welding, so that welding of the special-shaped automobile hinge is affected is prevented.
Owner:EDSCHA AUTOMOTIVE COMPONENTS KUNSHAN

A double-seal irregular ball valve

This invention specifically relates to a double-sealed irregular-shaped ball valve, comprising a valve body, a valve stem rotation and lifting mechanism movably mounted on the top of the valve body, and a connector located at the bottom of the valve stem rotation and lifting mechanism. The irregular-shaped ball valve disc movably mounted within the valve body has a notch at the top for tensioning, a slotted plate at the bottom for easier deformation, and a side opening in the middle for rapid water flow switching. This results in an overall C-shaped irregular-shaped ball structure, giving it strong opening and closing capabilities. When the connector moves upward, the irregular-shaped ball valve disc contracts and deforms towards the center on both sides, and two inclined holes close the notch at the top of the irregular-shaped ball valve disc, thereby separating the second sealing gasket from the first sealing gasket. During the entire valve rotation and opening / closing process, there is no friction between the second sealing gasket of the irregular-shaped ball valve disc and the first sealing gasket of the connecting pipe, resulting in a long service life.
Owner:FUJIAN ZHENTE VALVE TECH CO LTD

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

Bearing equipment positioning detection seat

The utility model belongs to the technical field of bearing detection, and discloses a bearing equipment positioning detection seat, which comprises a basic table top, supporting legs, bearing fixing assemblies, a single-shaft ejector rod, an integral fixing assembly and the like, the basic table top and the supporting legs form a stable base, and in the three groups of coaxially stacked bearing fixing assemblies, the upper two groups can rotate to adjust the angle, and the lower two groups can rotate to adjust the angle. And a plurality of groups of telescopic single-shaft ejector rods are matched, jacking force is applied to the outer ring of the bearing from multiple angles, and the flexible jacking head is attached to various surfaces in a self-adaptive mode. The integral fixing assembly locks the structure through a bolt and a clamping plate to form a rigid whole, prevents sliding and is convenient to move, the structural design is compact and reasonable, through cooperative operation of all the assemblies, fixing and positioning of traditional cylindrical, square, oval and other special-shaped bearings are achieved, and the device is wide in application range, convenient to use, convenient to move after being fixed and high in practicability. Reliable support is provided for detection of parameters such as the perpendicularity of the inner hole, and the detection universality and efficiency are remarkably improved.
Owner:SHENGZHOU XINSIJIE MASCH CO LTD

Non-Newtonian fluid adhesion gripper based on shear thickening and gripping equipment

The invention relates to the technical field of robot grabbing, in particular to a non-Newtonian fluid adhesion gripper based on shear thickening and grabbing equipment, the gripper comprises an adhesion module, a speed control module, a speed driving module and a switching module; the adhesion module comprises an adhesion film, a sealing mounting plate and shear thickening non-Newtonian fluid arranged in a containing space formed by connecting the adhesion film and the sealing mounting plate, and the fluid is in a soft state at a low shear rate, can be attached to the surface of an object, and is hardened at a high shear rate and locks the contact area to generate strong adhesion force; the speed control module comprises an inner distance transmission coupler and a stirring device and is used for applying a shearing effect to fluid to realize soft and hard state switching; the speed driving module comprises an outer distance transmission coupler and a driving device, and drives the stirring device through magnetic distance transmission torque; the switching module is used for installing the gripper on a mechanical arm or an assembly line, the gripper has the functions of grabbing stably and releasing quickly and can adapt to curved-surface, special-shaped and fragile objects, and the damage risk is reduced.
Owner:YANGZHOU UNIV +1

Automatic centering jig for double-part product and working method of automatic centering jig

The invention relates to the technical field of machining, in particular to a double-part product automatic centering jig and a working method thereof. The automatic centering jig comprises a base, four supporting columns, a base plate, a backing ring, a centering sleeve, an expansion sleeve, a connecting rod and a driving cylinder. The base, the four supporting columns and the base plate form a supporting platform, and the driving cylinder is installed. The backing ring positions the part; one end of the connecting rod is connected with the output end of the driving cylinder, the other end of the connecting rod is connected with the expansion sleeve, the centering sleeve is arranged in an inner hole of the part, and the expansion sleeve drives the centering sleeve to open and close to automatically center the part. A part is directly and automatically centered to be machined, the part with the special-shaped appearance is installed on the jig, meanwhile, the part is automatically centered and aligned through the expansion sleeve and the centering sleeve through pressurization, the appearance and an inner hole of the part are completed through one-time clamping and one-time machining, no deviation exists, the profile tolerance meets the requirement, and the machining efficiency is greatly improved. The automatic centering jig is suitable for various parts with special-shaped inner holes and shapes, is simple to operate, is a universal automatic centering jig, and reduces the cost.
Owner:SHENYANG FORTUNE PRECISION EQUIP CO LTD

A method for processing and manufacturing a flanged special-shaped bearing ring

The application discloses a processing and manufacturing method of a special-shaped bearing ring with a flange, which comprises a special-shaped bearing ring, a raceway diameter measuring mechanism and an auxiliary tool, the special-shaped bearing ring comprises a small outer circle, one side of the small outer circle is connected with a flange end face, an outer wall of the flange end face is provided with a large outer circle, a circular-arc-shaped shoulder is arranged at the connecting position of the flange end face and the small outer circle, a circular-arc-shaped groove and a U-shaped groove are arranged at the bottom of the flange end face at the same time, the circular-arc-shaped groove extends to the small outer circle, and the inner wall of the small outer circle is surrounded with a raceway; the method comprises the following specific steps: S1, turning: turning the approximate shape of the bearing; S2, soft grinding of double end faces; S3, soft grinding of the outer circle; and S4, turning of a large hole; the processing and manufacturing method of the special-shaped bearing ring with the flange has the effects of improving the bearing design and the processing flow, and can simultaneously achieve the effects of enhancing the bearing strength and guaranteeing the processing precision.
Owner:SHANGHAI TIANAN BEARING +1