61results about How to "Guaranteed concentricity" patented technology

The utility model belongs to the technical field of motor manufacturing, and particularly relates to magnetic ring and casing assembling equipment, which comprises a casing carrying mechanism, a feeding position, a gluing position and a transfer position are sequentially arranged along a carrying path of the casing carrying mechanism, and a casing output from the feeding position is carried to the gluing position for gluing; the machine shell gluing mechanism is close to the gluing position and comprises a gluing execution assembly used for gluing the machine shell and a visual detection assembly used for detecting the gluing result, and when the detection result of the visual detection assembly is qualified, the machine shell carrying mechanism carries the glued machine shell from the gluing position to the transfer position; the rotating mechanism is provided with a plurality of installation parts in the circumferential direction, and a magnetic ring pushing position, a machine shell transferring position and a press-fitting position are sequentially arranged on the rotating path of the rotating mechanism. And the magnetic ring pushing mechanism is arranged at the magnetic ring pushing position and is used for pushing the magnetic ring to the mounting part. According to the magnetic ring press-fitting machine, automatic press-fitting of the magnetic ring and the machine shell can be achieved, the gluing uniformity of the machine shell is ensured, and the press-fitting concentricity of the magnetic ring and the machine shell is ensured.

The utility model discloses a rotary traction stranding machine, which comprises a rack, a rotary bracket, a first leading wheel, a second leading wheel, a first driving mechanism and a second driving mechanism, the rotating bracket is rotationally arranged on the rack around the central shaft of the rotating bracket; the first leading wheel and the second leading wheel are sequentially pivoted to the rotating bracket; the first driving mechanism drives the first leading wheel to rotate; the second driving mechanism drives the rotating support to rotate. The rotating support comprises a first main shaft, a first supporting disc, a second main shaft, a second supporting disc, a pair of upper supporting shafts and a pair of lower supporting shafts. The first supporting disc is fixed to the first main shaft, the second supporting disc is fixed to the second main shaft, the pair of upper supporting shafts is fixed between the first supporting disc and the second supporting disc, and the pair of lower supporting shafts is fixed between the first supporting disc and the second supporting disc. A fixing clamp is arranged between the upper supporting shaft and the lower supporting shaft which are located on the same side. The rotating shaft has the advantages of being high in concentricity, stable in rotation and long in service life.

The utility model discloses a direct-drive electro-magnetic annular synchronous motor, and belongs to the technical field of large-scale synchronous motors. The motor comprises a split stator which is formed by splicing and fixing a plurality of stator petals along the circumferential direction; the block magnetic poles form a motor rotor, a plurality of independently-formed magnetic pole units are arranged at intervals in the circumferential direction, and each magnetic pole unit is directly and fixedly installed on the outer wall of the load rotating cylinder; the supporting and sealing structure is arranged at the axial end part between the split stator and the block magnetic pole and is used for sealing a gap between the split stator and the block magnetic pole; and the collector ring and brush carrier system is arranged at one axial end of the motor, and the output end of the collector ring and brush carrier system is electrically connected with the excitation windings of the block magnetic poles. According to the utility model, the split stator and the block magnetic pole structure are adopted, so that the transportation and field installation of the ultra-large motor are facilitated; the rotor is directly mounted on the outer wall of the milling cylinder to realize direct drive, a gear transmission link is omitted, the transmission efficiency is high, and operation is stable; a multi-layer sealing structure adapts to a high-dust environment, and the reliability is high; the speed regulation performance is good and the maintenance is convenient.

The present application relates to the technical field of welding, and specifically discloses a motor liquid-cooled shell welding device, which comprises a workbench, a rotating disc, an inner-outer positioning mechanism, a coaxial positioning mechanism and a pressing mechanism. The inner-outer positioning mechanism, the positioning shaft, the insert, the positioning locking assembly and the pressing mechanism are used for multi-dimensional guarantee of the concentricity of the inner cylinder, the outer cylinder, the annular plate and the welding machine from the bottom, the top and the side, so that the problems of weld offset, uneven penetration, one-side wide and one-side narrow of the welding seam of the welding machine and the like caused by the rotation centrifugal force of the inner cylinder, the outer cylinder and the annular plate are effectively avoided. Meanwhile, the pressing mechanism is provided with a plurality of circumferentially uniformly distributed pressing assemblies, which are matched with the bearing steps on the inner cylinder and the outer cylinder to realize the up-down bidirectional limiting of the annular plate, prevent the annular plate from floating due to the centrifugal force during the rotation and affect the welding quality of the welding seam, and the wear-reducing roller can prevent the annular plate from floating and radial movement due to thermal deformation without affecting the rotation of the workpiece.

The application discloses a method for guaranteeing the concentricity of a rotary tank, and belongs to the technical field of rotary tank preparation. The method comprises three key procedures: firstly, the ellipticity of an inner cylinder is guaranteed by supporting the cylinder through a supporting round tool, and the straightness of the inner cylinder is guaranteed; then, the concentricity of a jacket cylinder and the inner cylinder is guaranteed by controlling the welding operation of the jacket cylinder and a blocking plate; finally, the concentricity of a head, a central shaft and the cylinder is guaranteed by real-time detection of the concentricity of the workpieces to be connected during assembly and real-time adjustment, and the concentricity of a rolling ring pad plate, a gear ring flange and the cylinder is guaranteed, so that the finally manufactured rotary tank has high-precision concentricity. The specific structure of the supporting round tool is provided, and a better supporting round effect can be achieved; a laser centering instrument for detecting the concentricity of the cylinder and the head and a concentricity adjusting device for real-time adjustment are provided, the position and the offset amount of the maximum head offset can be determined, based on which, the adjusting device can be adjusted in a targeted manner, and the adjusting distance is the shortest.

The utility model provides a kind of auxiliary positioning device for compressor crankshaft, including connecting seat, double-station cylinder is equipped on the connecting seat, connecting block is connected on the cylinder stem of double-station cylinder, connecting block is connected with standard positioning block, and standard positioning block includes block body, and the top surface of block body is equipped with the arc concave position matched with compressor crankshaft outer wall.The utility model is set, and when double-station cylinder extends, standard positioning block is lifted, compressor crankshaft is placed on the arc concave position of standard positioning block at this time, and one end is resisted on the side of needle mechanism, the axis of compressor crankshaft is aligned with the needle mechanism of the other side at this time, processing equipment shield door is closed, equipment is started, and the needle mechanism of the other side can be moved and tightly in the other end of compressor crankshaft, so that clamping can be quickly completed, work efficiency is improved, and when compressor crankshaft is placed into equipment, each component in equipment does not act, and safety is higher.

The application discloses a welded pipe port polishing device and method, and particularly relates to the technical field of welded pipe polishing devices, which comprises a machining table, a placing groove for placing a welded pipe is arranged on the top of the machining table, a polishing mechanism is arranged in front of the placing groove, the polishing mechanism comprises an inner ring grinding wheel, an outer ring grinding wheel and an end face grinding wheel, a rotating rod is detachably arranged on each of the inner ring grinding wheel, the outer ring grinding wheel and the end face grinding wheel, a supporting frame is fixedly arranged on the top of the machining table, a fixed plate is fixedly arranged at the front end of the supporting frame, a transmission shaft is rotatably arranged on the fixed plate, a rotating plate is fixedly arranged on the transmission shaft, and a plurality of rotating rods are rotatably arranged on the rotating plate. The combined polishing mechanism comprising the inner ring grinding wheel, the outer ring grinding wheel and the end face grinding wheel is coaxially arranged and can be synchronously rotated and fed, so that the polishing of the inner and outer rings and the end face of the welded pipe port can be completed at one time, the concentricity and perpendicularity of the polishing surface are ensured, and the machining efficiency and quality are greatly improved.

This utility model relates to a motor rotor mounting device, belonging to the field of motor structure technology. It includes a connecting platform arranged opposite each other and a pneumatic four-jaw clamp mounted on the connecting platform. A limiting device for fixing the motor shaft is slidably connected to the two connecting platforms. The limiting device includes a slider slidably connected to the connecting platform, a limiting block mounted on one side of the moving screw, and multiple sets of movable arms hinged to the side of the fixing column near the pneumatic four-jaw clamp. Movable connecting arms are installed between the limiting block and the multiple movable arms. A driving device is mounted on the connecting platform to push the limiting device closer to the pneumatic four-jaw clamp. This utility model uses the pneumatic four-jaw clamp and limiting device to fix the motor rotor and the main shaft, and the driving device allows the main shaft to be installed inside the motor rotor. This not only effectively reduces the workload of workers but also effectively improves production efficiency, while ensuring the concentricity of the motor rotor and the main shaft.

The application relates to an automatic feeding system for producing medicinal packaging materials, which comprises a bottom plate, a plurality of feeding stations are uniformly arranged on the upper surface of the bottom plate along the length direction of the bottom plate, the feeding station comprises a square groove arranged on the upper surface of the bottom plate, a through feeding hole is vertically arranged in the middle of the groove, and a pressing ring is fixedly arranged at the upper edge of the feeding hole; a feeding device is arranged on the bottom plate and can move along the length direction of the bottom plate under the driving of a driving device, the feeding device comprises a transverse moving plate connected with the driving device, a lifting plate is vertically arranged above the transverse moving plate, a feeding pipeline is vertically fixedly arranged on the lifting plate, a through hole corresponding to the feeding pipeline is arranged on the transverse moving plate, a sealing ring corresponding to the pressing ring is fixedly arranged on the outer periphery of the lower end of the feeding pipeline after the lower end of the feeding pipeline passes through the through hole, a positioning device is arranged to position the relative position between the feeding device and each feeding hole, and two protective covers are arranged between the feeding device and the two ends of the bottom plate.

The invention relates to the technical field of retainer machining, in particular to a retainer machining method and a fixing mould, and the machining method comprises the steps that rivet hole angle point positions and pocket hole angle point positions are machined on a first circular plate; an angle adjusting hole is machined in the second circular plate; mounting the first retainer seat on the fixed base, covering the first retainer seat with the first retainer cover, and pressing a pressing plate on the first retainer cover; the pressing plate is pressed on the first retainer cover, the angle adjusting hole corresponds to the angle point of the rivet hole, the base and the pressing plate are locked and fixed, and the rivet hole is machined; the pressing plate and the retainer cover are detached, the pressing plate is installed on the first retainer base in a pressing mode, the angle adjusting holes correspond to the pocket hole angle point positions, the base and the pressing plate are locked and fixed, and an avoiding notch is machined in the outer circumference of the pressing plate while the pocket hole is machined; a retainer seat and a retainer cover are processed by using a fixed mould, and the fixed mould comprises a pressing plate and a fixed base. The machining time of the fixing mould is shortened, and the machining difficulty is reduced.

A kind of roller press equipment mechanism, including operation platform, sliding clamping block and lateral press equipment jaw, the middle of operation platform is equipped with clamping block moving groove, guide rod is connected between the two side walls of clamping block moving groove, two sliding clamping blocks are slidably connected on guide rod, the top of sliding clamping block is fixed with clamping block, clamping block includes a pair of oppositely arranged clamping plate and clamping cylinder, clamping cylinder is fixed in the middle of clamping plate, the telescopic end of clamping cylinder passes through clamping plate and is connected with extrusion backing plate at telescopic end head, side stand is set on operation platform at the two sides of clamping block moving groove, side stand is provided with longitudinal press equipment jaw moving groove, screw rod is provided in press equipment jaw moving groove, longitudinal moving block is threadedly connected in press equipment jaw moving groove by screw rod.The sliding clamping block of the present application is bidirectional sliding along guide rod, cooperates with clamping cylinder to drive extrusion backing plate to carry out bidirectional synchronous clamping to supporting pipe shaft, eliminates artificial fixing deviation, and ensures the accurate centering of shaft and roll body.

This invention discloses a conductive tip processing device and method. It precisely processes used conductive tips that have reached the end of their service life, causing them to deform and changing the original straight aperture to a curved aperture. This increases the contact area and friction between the welding wire and the inner wall of the conductive tip, restricts the oscillation amplitude of the welding wire passing through, restores the conductive tip's conductivity stability and basic function of limiting and constraining the welding wire end, thus meeting the requirements of the welding process. The purpose of this invention is to enable the reuse of used conductive tips, effectively extend their service life, improve the utilization rate of precious non-ferrous metals, and reduce the waste of scarce resources.

The utility model provides an optical assembly and an endoscope, the optical assembly comprises a lens cone, the lens cone is provided with a mounting cavity penetrating through the lens cone, and the mounting cavity is of a columnar structure extending along a preset direction; the lenses are sequentially arranged in the mounting cavity at intervals in the preset direction, and the edge of each lens is in contact fit with the inner wall of the mounting cavity; the tunable lens is provided with a surface with adjustable curvature; the supporting structure is provided with a lens mounting part, the tunable lens is mounted on the lens mounting part, at least part of the surface of the supporting structure is matched with the inner wall of the mounting cavity in shape, and the supporting structure is arranged in the mounting cavity and is in contact fit with the inner wall of the mounting cavity. The optical assembly provided by the utility model solves the technical problem of poor imaging quality caused by poor concentricity between the tunable lens and other lenses of the optical assembly in the prior art.

This utility model relates to the field of boiler desulfurization conveying technology, specifically disclosing a boiler desulfurization conveying device based on multi-point distribution and multi-stage diameter variation synergistic optimization. The device includes a first main conveying pipe, one end of which is connected to a transmitter in a limestone compartment. This boiler desulfurization conveying device, based on multi-point distribution and multi-stage diameter variation synergistic optimization, constructs a multi-stage gradually narrowing conveying channel through conical diameter variations in the first, second, and third main conveying pipes. When limestone powder enters the conical section of the first main conveying pipe, the gradual contraction of the pipe cross-section accelerates the gas-solid two-phase flow, forming a stable jet that enters the second main conveying pipe. The flow velocity is further optimized through the conical transition section of the second main conveying pipe, and finally, the conical structure of the third main conveying pipe completes the three-stage acceleration process. This avoids limestone powder accumulation caused by a single pipe diameter and reduces pipe wear.

The utility model provides a high-sealing and large-rigidity deep well electromagnetic valve. The high-sealing and large-rigidity deep well electromagnetic valve comprises an electromagnetic coil assembly, a valve body, a movable iron core and a coil shell. The electromagnetic coil assembly comprises a metal framework, a medium inlet is formed in the upper end of the metal framework, and a pressure-resistant cavity communicated with the medium inlet is formed in the metal framework; the valve body is in threaded connection with the lower end of the metal framework, a valve port communicated with the pressure-resistant cavity is formed in one end of the valve body, a valve port sealing assembly is installed at the valve port, and the valve port sealing assembly is limited between the valve body and the metal framework; the movable iron core is slidably mounted in the pressure-resistant cavity, and a sealing cone used for opening and closing the valve port is arranged at the end, facing the valve port sealing assembly, of the movable iron core. The coil shell is sleeved outside the electromagnetic coil assembly, and the upper end and the lower end of the coil shell are respectively welded and fixed with the metal framework through welding parts; the high-sealing and large-rigidity deep well electromagnetic valve overcomes the defect that an existing small safety electromagnetic valve is not suitable for the depth of three kilometers.

The utility model discloses a riveting tool and a riveting machine. The riveting tool comprises an upper die assembly and a lower die assembly. The lower die assembly comprises a base and a sliding piece installed on the base in a sliding mode, the sliding piece comprises a sliding part in sliding fit with the base and a riveting part arranged on the sliding part in a protruding mode, the riveting part is provided with at least two notches formed in the X-axis direction at intervals, the notches are used for containing studs, and the studs are arranged in the notches. A first positioning groove for placing the copper bar is formed in the top surface of the sliding part, a first positioning piece is further arranged in the first positioning groove, and the first positioning piece is used for limiting the position of the copper bar in the X-axis direction, so that the position, needing to be riveted, of the copper bar corresponds to the notch; and the upper die assembly is movably arranged above the stud. Riveting is carried out after the copper bar is fixed, the potential safety hazard that the hands of an operator are pressed during operation is avoided, meanwhile, continuous riveting can be carried out, and the working efficiency is effectively improved.

This invention relates to the field of pump body welding, specifically disclosing an industrial pump body welding device and its welding process. The device includes a lower conveyor for conveying the lower pump casing and an upper conveyor for conveying the upper pump casing. The lower conveyor has two clamping plates in its middle section, which clamp the lower and upper pump casings. Welding heads are installed on the outer sides of both clamping plates, and a slide rail assembly is installed on one side of each welding head. A strip-shaped gap is formed in the middle of the two clamping plates. The upper conveyor has a transfer frame near one end of the clamping plates, and a clamp is located in the middle of the transfer frame. After the lower pump casing is conveyed between the clamping plates, the upper conveyor conveys the upper pump casing to one side of the clamp, where the clamp clamps it. The transfer frame rotates the upper pump casing between the clamping plates to mate with the lower pump casing. The two clamping plates hold the upper and lower pump casings together, and the slide rail assembly moves the welding head along the strip-shaped gap to weld the joint between the upper and lower pump casings.

The utility model relates to the technical field of valves, in particular to a stop valve. A stop valve comprises a valve body assembly, a valve element assembly and a static valve element, a valve port is formed in the valve body assembly, the valve element assembly and the static valve element are arranged in the valve body assembly, one end of the valve element assembly is arranged on the static valve element, and the valve element assembly can rotate to block or open a communicating hole; the stop valve further comprises a positioning structure, the valve body assembly comprises a valve pipe, the valve element assembly is sleeved with the positioning structure, the positioning structure is arranged in the valve pipe, the outer wall of the positioning structure abuts against the inner wall of the valve pipe, the inner wall of the positioning structure abuts against the valve element assembly so that the valve element assembly can be limited in the radial direction, and the end, close to the static valve element, of the positioning structure abuts against the valve element assembly. And the valve core assembly is axially limited. The check valve has the advantages that the concentricity of the valve element assembly and the static valve element can be guaranteed, and internal leakage caused by a gap generated between the movable valve element and the static valve element is prevented.

The application aims to provide an adapter connection structure of a pulse coder, which is connected to an outer end mounting surface of a support, an inner end mounting surface of the support is fixedly connected with a motor, a transition shaft is coaxially connected to a tail end of a rotor shaft of the motor, a shaft sleeve is sleeved on a shaft section of the transition shaft which is suspended to a hole cavity of the pulse coder, the shaft sleeve is arranged with the same core as the suspended shaft section and forms a locking fit with axial displacement. In the above scheme, the transition shaft is used as a component connected with the motor rotor shaft and also cooperates with the hole cavity of the pulse coder, which needs to ensure the same core degree with the motor rotor shaft and meet the cooperation requirement with the hole cavity of the pulse coder. The transition shaft with the shaft sleeve can ensure the precision requirement of the above connection and cooperation, so even if the pulse coder is replaced due to failure, the shaft sleeve with the size precision of the hole cavity of the pulse coder can be accurately measured in advance, and then the shaft sleeve is adjusted and locked in the screwing position of the suspended shaft section.

The invention relates to the technical field of oil seal press-fitting, and discloses motor end cover oil seal press-fitting equipment which comprises a workbench, the top surface of the workbench is provided with a moving limiting assembly for conveying an oil seal and an end cover to be coaxial, and the top surface of the workbench is provided with an end cover transferring and positioning assembly for transferring the position of the end cover. The top surface of the workbench is provided with an oil seal transferring and positioning assembly for transferring the position of an oil seal, and the top surface of the workbench is provided with a finished product discharging assembly for conveying a finished product subjected to press-fitting forming; through the moving limiting assembly, the end cover transferring and positioning assembly, the oil seal transferring and positioning assembly and the finished product discharging assembly, whole-process mechanical operation from end cover and oil seal feeding, positioning, angle adjusting, press fitting to finished product discharging is achieved, and manual intervention is greatly reduced; the press-fitting efficiency of the motor end cover oil seal is improved, and meanwhile the product error rate is reduced.

The utility model relates to a technical field of trimming flash, especially a shell surface trimming flash device, including base, the base upper surface fixedly connected with motor, the output shaft of motor fixedly connected with the pivot, the pivot upper end fixedly connected with the fixed disc, the fixed disc lower surface circumference equidistance fixedly connected with a plurality of connecting sleeves, a plurality of connecting sleeves all are slidably arranged with the connecting strip, a plurality of connecting strip one end vertical fixedly connected with the cutter, a plurality of connecting strip other end passes through the adjusting mechanism adjustment, the fixed disc is fixed with the shell through the fixed mechanism. The utility model has when the cutter rotates, can ensure concentric, and the cutter will cut off the flash on the outer wall, thereby guaranteeing the overall effect of flash processing.

This invention discloses a motor stator coating apparatus, comprising a frame, a coating conveyor line, a return conveyor line, and several tooling fixtures conveyed on the coating and return conveyor lines; transfer components are provided between the output end of the return conveyor line and the input end of the coating conveyor line, and between the output end of the coating conveyor line and the input end of the return conveyor line; an electrostatic coating device is provided on the coating conveyor line, and a loading / unloading device is provided on the return conveyor line; the loading / unloading device includes: a liftable lifting component located below the return conveyor line for lifting the tooling fixtures; a liftable stator clamping component located below the return conveyor line and corresponding to the position of the lifting component for lifting and clamping the motor stator; and disassembly / assembly components located on both sides of the stator clamping component for clamping both ends of the tooling fixtures to remove or insert them. This invention has the advantage of high efficiency.

An internal keyway polishing and deburring device includes: a support cylinder with at least three positioning struts evenly arranged inside, rollers at the ends of the positioning struts, and a grinding component receiving groove on the outer side; a grinding component having a first grinding block and a second grinding block, fitted into the grinding component receiving groove, and further mounted on the support cylinder by a locking element; a pressure elastic element, radially spaced between the first and second grinding blocks, and abutting against the support cylinder; and a thrust elastic element, transversely arranged between the first and second grinding blocks along the width direction between the sidewalls of the internal keyway. This invention, by adjusting the positioning struts, ensures that the support cylinder is concentric with the tube to be processed, enabling the device to move along straight and curved keyways to meet the polishing and deburring needs of different internal keyways. It also has particular advantages for internal keyways with large depth-to-diameter ratios, multiple channels, ultra-long holes, and spiral tubes, making it widely applicable.

The utility model relates to assembly equipment which comprises a box body, a mounting unit and a curing unit. The mounting unit comprises a guide pipe seat fixing part and a guide pipe limiting part, the guide pipe seat fixing part is rotatably arranged in the box body and is provided with a guide pipe seat mounting position, and the guide pipe limiting part is arranged in the box body and is provided with a guide pipe mounting position right opposite to the guide pipe seat mounting position; the curing unit is arranged in the box body and faces the catheter base fixing piece, and the curing unit can slide to be away from or close to the catheter base fixing piece. According to the assembly equipment, the connection strength and the sealing performance between the catheter base and the catheter are guaranteed, the clinical high-standard requirements for safety and reliability are met, and therefore it is guaranteed that follow-up operations are conducted smoothly.

The utility model discloses an external labyrinth seal device, including equipment sealing end, encapsulation subassembly and filter component, the equipment sealing end is provided with original flange, the equipment sealing end is equipped with original seal, the encapsulation subassembly sets up equipment sealing end surface to realize the external connection sealing of equipment sealing end. The utility model, through first positioning locking seal dynamic ring, again through bolt will butt -joint locking split flange, fixed mounting in the original flan of equipment's outside, wherein during installation, can through positioning device auxiliary installation to ensure the concentricity with rotating shaft, adjust good bottom oil return nozzle position, again through bolt directly butt -joint locking seal static ring, locking fixed on split flange, finally, after confirming that installation is correct, will output pipe and the preset oil return pipeline butt -joint intercommunication, and installation can be completed, wherein installation does not need to change the original structure, and is fixed through a plurality of bolts, is convenient for subsequent dismounting maintenance.

The application relates to a metal corrugated hose, which comprises a hose body and a threaded connecting sleeve connected at the end of the hose body, the outer side of the threaded connecting sleeve is provided with a connecting sleeve, the rear section of the connecting sleeve is provided with a clamping part and can be clamped with the threaded connecting sleeve through the clamping part, the front end of the connecting sleeve is arranged beyond the threaded connecting sleeve and is provided with the same thread as the threaded connecting sleeve, and the connecting sleeve can drive the threaded connecting sleeve to rotate. The application is provided with the connecting sleeve, the front end of the connecting sleeve is provided with the same thread as the threaded connecting sleeve, the connecting sleeve can be connected with a to-be-connected end during installation, the concentricity and coaxiality of the threaded connecting sleeve and the to-be-connected end are ensured, the thread is prevented from being deviated, the connection effect is ensured, the rear section of the connecting sleeve is provided with the clamping part, the connecting sleeve can drive the threaded connecting sleeve to rotate, the threaded connecting sleeve can be rotated and locked through the connecting sleeve, installation is facilitated, and the stability of the threaded connection is ensured.

The utility model relates to the field of injection moulding, and the utility model discloses a earphone charging box mould sequence opening mould structure, include: back mould essence, first line position mechanism and second line position mechanism, first line position mechanism includes first line position seat and first line position insert, and first line position insert both ends are equipped with parting surface and T -type groove respectively, and T -type groove sets up obliquely, and the one end of first line position seat is equipped with T -type sliding block close to back mould essence, and T -type sliding block sets up in T -type groove slidingly, and two recesses are symmetrically seted up on the parting surface of first line position insert, and every second line position mechanism includes second line position seat, inclined guide pillar, locating block and two forming assemblies, and inclined guide pillar penetrates second line position seat, and locating block is detachably set up in the one end of second line position seat close to back mould essence, and every forming assembly includes second line position insert and insert needle, and insert needle penetrates second line position insert, and second line position insert penetrates locating block. Guarantee opening and closing mould sequence normal, guarantee product concentricity.

The utility model relates to the technical field of sealing detection, in particular to oil seal press fitting detection equipment. Comprising a platform, a pressurizing assembly is arranged on the platform, a sliding way is fixed to the platform, a sliding block is arranged in the sliding way in a sliding mode, the sliding block can slide in the sliding way in the transverse direction, a pipe body is elastically and slidably connected to the sliding block in the vertical direction, oil seals are installed in the two ends of the pipe body in a pressed mode, and a pressure detection device fixedly communicates with the pipe body. The pressurizing assembly is communicated with the interior of the pipe body, an extrusion assembly and a blocking assembly are arranged on the left side and the right side of the pipe body correspondingly, the extrusion assembly comprises a transversely-arranged telescopic rod, a vertical sliding assembly is fixed to the telescopic end of the telescopic rod, and a rotary plugging assembly is elastically and slidably connected to the interior of the vertical sliding assembly in the vertical direction. According to the detection equipment, pipe bodies with different diameters can be replaced, so that sealing detection can be carried out on oil seals with different diameters.

The utility model discloses elevator speed governor action speed detection platform, including quick locking assembly, quick locking assembly includes concave strip and convex strip, the outer ring of main shaft rod four -around fixed installation concave strip, the outer ring of external connection axle four -around fixed connection convex strip, convex strip protruding end activity joint concave strip groove end, quick locking assembly still includes rectangular groove, dismounting spring, clamping block and clamping groove, the middle part of convex strip is seted up rectangular groove, and dismounting spring and clamping block are connected in rectangular groove, and clamping block is located above dismounting spring, and the middle part of concave strip is seted up clamping groove, and clamping block is connected in clamping groove. The utility model can guarantee the concentricity of main shaft rod and external connection axle through the accurate matching of geometric shape, reduce the eccentric problem of shafting caused by bolt hole error or uneven assembly, reduce additional radial force and vibration, make motor output speed more stable, thereby improve the precision of speed governor action speed detection.

The utility model relates to a movable supporting plate structure of an electrode induction melting gas atomization powder making furnace, and belongs to the technical field of metal powder preparation. Comprising an atomizing chamber large cover plate (1), a supporting plate (2), a spraying disc (3) and a fastener, grooves are formed in the upper end of the atomizing chamber large cover plate (1) and the upper end of the supporting plate (2), the supporting plate (2) is embedded in the groove of the atomizing chamber large cover plate (1), and the spraying disc (3) is embedded in the groove of the supporting plate (2); the supporting plate (2) is connected with the large cover plate (1) of the atomizing chamber through the fastening piece, and the spraying disc (3) is connected with the supporting plate (2) through the fastening piece. According to the structure, the movable supporting plate (2) horizontally slides in the groove in the upper end of the large cover plate (1) of the atomizing chamber, axis adjustment of the spraying disc (3) is achieved, it is guaranteed that a metal bar and the spraying disc (3) are coaxial, and after the movable supporting plate (2) is centered, the spraying disc (3) does not need to be centered again to be disassembled and assembled. The problems that centering is needed every time a spraying disc (3) is installed back to equipment, the installation time is long, and the production efficiency is affected are solved.