34 results about "Morse taper" patented technology

The utility model discloses a motor rotor shaft turning clamp that can be self-adaptive and tightly hold and flexibly position, relates to the field of machining, and is composed of Morse taper, external thread connecting shaft, spring collet, threaded sleeve and adjusting sleeve and other components for connecting with the main shaft of machine tool. The sliding cavity of the front end of the external thread connecting shaft is provided with a sliding sleeve and a telescopic spring, and the sliding sleeve is fixedly connected with the spring collet. The sleeve sleeve of the front end of the threaded sleeve is sleeved outside the spring collet, and the inner wall of the front end is provided with a conical surface that is matched with the conical head of the spring collet. The adjusting sleeve is connected with the threaded sleeve through threads, and can drive the limiting sleeve to push the spring collet to move. During use, rotating the adjusting sleeve makes the spring collet move backward, and the spring collet is tightened under the action of the conical surface, the rotor shaft is self-adaptively and tightly held, and the telescopic spring realizes flexible positioning and compensates for the axial and angular deviation. The clamp can automatically adapt to the rotor shaft with a diameter tolerance within a certain range, has high self-centering precision, is suitable for high-precision turning machining of conventional rotor shafts, and has simple structure and convenient maintenance.

The utility model discloses a punching device for machining, which relates to the technical field of drilling equipment, comprises a base with a rubber shock pad and an inverted U-shaped framework, and is provided with punching feeding, executing, clamping, cooling and chip removing parts. According to the punching feeding component, a servo motor drives a guide screw to drive a vertical block to achieve accurate feeding; a driving motor in the punching execution part is connected with a rotating rod and a drill bit, and the rotating rod and the drill bit are connected through Morse taper and convenient to replace. The clamping part controls a clamping strip plate through an adjusting screw rod, and different workpieces can be fixed. The cooling component conveys cooling liquid through a centrifugal pump to cool the drill bit through a rotating rod cooling channel, and chippings are cleaned through a chip groove and a recycling box. The device can conduct high-precision punching, is suitable for various workpieces, effectively dissipates heat and removes chips, improves the machining punching quality and efficiency, and is suitable for various mechanical manufacturing fields.

The thread machining cutter handle comprises a Morse taper shank cutter bar, one end of the Morse taper shank cutter bar is connected with the lathe tailstock, the other end of the Morse taper shank cutter bar is provided with an inner round hole coaxial with a Morse taper shank, the inner round hole is used for installing a fixing sleeve, one end of the fixing sleeve is a screw tap end, and the other end of the fixing sleeve is a threading die end. The utility model relates to the technical field of thread machining, the novel thread machining cutter handle is used in cooperation with a lathe tailstock, potential safety hazards caused by rotation of parts when a screw tap or a threading die is manually operated are avoided, and the novel thread machining cutter handle is simple in structure, convenient to use and high in machining efficiency. An operator is separated from a rotating part, so that the personal safety of the operator is guaranteed; the cutter handle is a dual-purpose tool capable of machining external threads and internal threads, machining of various threads can be achieved, one set of tool meets various requirements, and the universality and practicability of the tool are improved.

The invention relates to a lathe system improvement method which comprises the following steps: step 1, dismounting a large carriage assembly, mounting a customized supporting seat, a chuck connecting flange and an adapter sleeve, and reinforcing through welding and bolt connection to ensure the structural stability and the machining precision, and step 2, adding a copper sheet gasket below a chuck to reduce vibration; the method comprises the following steps of 1, using an M16 * 850 screw rod to stabilize a cutter bar to avoid displacement in the machining process, 2, using a lathe spindle Morse taper hole to install a boring cutter bar to ensure the consistency of the boring depth and diameter, 3, installing an automatic direction adjusting mechanism on a lathe guide rail to simplify the steel pipe steering process and improve the machining continuity and safety, and 5, designing a periodic self-checking mechanism. And the aperture size is detected in combination with a trial assembly method, so that the quality consistency of each processing batch is ensured. According to the scheme, the machining process is optimized, efficient and precise boring machining of the two ends of the steel pipe is achieved, and labor intensity and production cost are effectively reduced.

The utility model relates to the technical field of medical instruments, in particular to a tibia alignment tool under a navigation system, which comprises an intramedullary positioning rod, one end of the intramedullary positioning rod is connected with a tibia in a pluggable manner, and an intramedullary positioning frame component is mounted on one side of the tibia and positioned on the outer wall of the intramedullary positioning rod. According to the tibia osteotomy guider, the angle limiting hole and the eccentric knob are arranged in the intramedullary positioning frame assembly, the angle position of the intramedullary positioning frame assembly is adjusted only by inserting the eccentric knob into the angle limiting hole for fixing, the locking shaft can be rotated by screwing the handle, and the position of the tibia osteotomy guider is adjusted. The tibia osteotomy guider can be better attached to the outer wall of the tibia for accurate positioning, one end of the button block compresses the spring to move, meanwhile, the other end of the button block is warped, then the button block and the transverse Morse taper hole are disconnected, the transfer rod body can be flexibly replaced and detached, installation is more convenient, and positioning is accurate.

The cutting tool includes a replaceable cutting head, which includes a front cutting portion, a rear assembly portion, and a head through-hole extending through the front cutting portion and the rear assembly portion. The assembly portion includes a male coupling member, which includes a conical head contact surface. The cutting tool includes a female coupling member, which includes a conical front holder contact surface and a female threaded portion. The cutting tool includes a fastening member having a male threaded portion. When the cutting tool is in the locked position, the male coupling member is removably held within the female coupling member by the fastening member located within the head through-hole, and the fastening member's male threaded portion and the holder's female threaded portion screw into each other. The head contact surface contacts the front holder contact surface, thereby creating a Morse tapered connection between the male coupling member and the female coupling member.

The utility model discloses a repairing cutter of an ultrasonic welding sealing machine, relates to the technical field of machining, and mainly aims to provide a tool which is matched with a machine tool to repair reticulate patterns of a welding head mold of the ultrasonic welding sealing machine. According to the main technical scheme, the repairing cutter of the ultrasonic welding sealing machine comprises a connecting body and a spacing pad, the connecting body comprises a cone and a cylinder, the large head end of the cone is coaxially connected to one end of the cylinder, and the other end of the cylinder is sequentially connected to the centers of the multiple circular saw blades. Each spacing pad is arranged between every two adjacent circular saw blades; wherein the small head end of the cone is correspondingly inserted into a Morse taper hole of a machine tool.

The utility model discloses a personalized root type implant. Comprising an implant body, a central screw hole is formed in the upper end of the implant body, a Morse taper hole is formed in the upper portion of the central screw hole, and an inner hexagonal base hole is formed in the upper end of the Morse taper hole; the implant made of Ti-Ta alloy is close to a bone tissue of a human body, so that the stress shielding effect is effectively reduced; meanwhile, due to the introduction of tantalum, the corrosion resistance and bone combining capacity of the material are improved; a 3D printing technology is adopted to realize that the implant is completely matched with a tooth extraction socket in shape, and bone holes and convex blocks of a bionic bone trabecula porous structure are constructed on the surface of the interior part of a bone, so that the implant is convenient to mount in a tooth socket; the central screw hole and the Morse taper hole are designed at the upper end of the implant, so that the false tooth is conveniently mounted and connected, and the inner hexagonal base hole is formed at the upper end of the implant, so that the connection stability of the false tooth is conveniently improved, and the false tooth is prevented from rotating and falling off.

The utility model relates to a finish machining combined cutter for a valve guide pipe and a valve seat of a cylinder head, which is characterized by comprising a guide pipe reamer, a cutter base body and a cutter handle, the guide pipe reamer comprises a blade part and a base body connecting part, the blade part comprises a blade head and a blade rod which are connected into a whole, the blade rod is fixedly connected with the base body connecting part, and the cutter handle is fixedly connected with the blade head. The cutter base body is provided with a blade rod connecting hole and a reamer connecting inner hole which are coaxially arranged, the conduit reamer is matched and connected with the cutter base body, meanwhile, the base body connecting part is matched and in threaded connection with the reamer connecting inner hole, the blade rod is in Morse taper fit with the blade rod connecting hole, and the tail part of the cutter base body is detachably connected with the cutter handle. Radial deflection of the guide pipe reamer does not need to be adjusted, tool changing time is short, and efficiency is high.

The application discloses a special clamp for thin-wall part machining, which comprises a clamp body, a locking nut and a spring tube. The clamp body is provided with a bulging part with Morse taper at one end and an outer threaded section in the middle. The spring tube is sleeved on the outer periphery of the bulging part, and is provided with an annular groove at one end and an elastic groove in the tube wall at the other end. The locking nut is threadedly connected to the clamp body, and is provided with a stop pin on the side wall. The end of the stop pin is extended and inserted into the annular groove of the spring tube, so that the locking nut and the spring tube are relatively fixed in the axial direction but can relatively rotate in the circumferential direction. A rotation-preventing cooperation structure is further arranged between the clamp body and the spring tube. The application realizes the rotation decoupling design of the locking nut and the spring tube, converts the rotary motion of the nut into the pure axial movement of the spring tube, eliminates the following rotation torque in the clamping process, realizes the uniform stress by cooperation with the taper bulging, effectively solves the problems of the deformation and scratch of the thin-wall part during clamping, and has the active unloading function.

An improved modular rotational device includes a first and second threaded coupler for affixation along the stem of an endoprosthetic device, for example, a humeral prosthesis or a femoral prosthesis. The rotational device axis of rotation is coaxial with the stem, and its axis of rotation is located in close proximity to the intramedullary stem of the prosthesis or in close proximity to the distal articulation of the prosthesis. A housing has a proximal and distal end with an axial bore therethrough for receiving an elongated stem of the device. A lobe ring may be utilized to limit the axis of rotation of the device. Additional endoprosthetic devices may be attached to male or female threaded couplers, or to Morse tapers. A plurality of suture attachments facilitates attachment of soft tissue thereto.

The utility model relates to a mechanism for processing a seam allowance of a servo motor, and relates to the technical field of mechanical tools. The locking sleeve is fixedly arranged in the servo motor rotor; the positioning assembly is used for positioning the servo motor stator and the locking sleeve, the positioning assembly comprises a core shaft and a Morse taper shank, the core shaft is arranged in the servo motor stator in a penetrating mode, and the Morse taper shank is fixedly installed at one end of the core shaft; and the extrusion assembly is used for carrying out deformation treatment on the locking sleeve so as to achieve the effect of tensioning the servo motor stator, and the extrusion assembly is arranged at the other end of the mandrel. According to the utility model, the principle of self-tensioning compensation and elastic deformation is adopted, the target of processing the motor seam allowance by taking the stator punching sheet as a reference is realized, the high concentricity of the motor stator seam allowance, the main shaft and the motor stator is ensured under the matching of the positioning assembly and the extrusion assembly, the concentricity of the motor stator and the matching end cover is improved, and the motor performance is improved.

The invention relates to the technical field of dental implant, in particular to a zygomatic implant assembly which comprises an implant body, a nail holder, a zero-degree abutment, an abutment healing cap, an angle abutment, a temporary inner crown and a covering cap. The end face of the neck of the implant body is arranged to be the inclined end face, a two-stage connecting column limiting structure of the conical surface connecting column and the hexagonal connecting column is arranged on the inclined end face, Morse taper fit between assemblies is achieved through the conical surface connecting column, axial clamping and fixing are formed, and rotating and fixing between the assemblies are achieved through the hexagonal connecting column; when the planting body is matched with each component, even if the planting body is not fixed through screws, temporary connection can be established through tight attachment of conical surfaces, and planting implementation operation is simplified; meanwhile, the assembling and positioning precision of all the assemblies can be improved through taper fit, all the assemblies are not prone to deviation, the cooperative adaptability of all the assemblies is improved, meanwhile, the overall structural stability of the zygomatic implant is improved, and the service life of the zygomatic implant is prolonged.

The utility model relates to the technical field of medical instruments, in particular to a quick-change interface tool under a navigation system, which comprises an operating handle, one end of the operating handle is provided with a quick-connection insertion rod, the outer wall of the operating handle is provided with a navigation interface, the outer wall of the navigation interface is respectively provided with a longitudinal Morse taper hole and a transverse Morse taper hole, and the longitudinal Morse taper hole and the transverse Morse taper hole are communicated with the quick-connection insertion rod. According to the quick-change surgical tool, the quick-change surgical tool with functional modules such as mounting, knocking and grinding can be flexibly inserted and pulled through the quick-connection inserting rod, one end of the button block is inserted into the transverse Morse taper hole to be fixed, and when dismounting is needed, only the button block needs to be pressed, so that the spring is compressed at one end of the button block to displace, and the quick-change surgical tool is dismounted. Meanwhile, the other end of the button block is warped up, then the button block and the transverse Morse taper hole are disconnected, the switching rod body can be flexibly replaced and detached, only the button block needs to be loosened, the compressed spring stretches out, the spring pushes the button block to reset and clamp, installation is more convenient, and locking is firm.

A knee replacement system, comprises: a tibial liner; a tibial tray with an upper surface and a lower surface, the lower surface comprising an external frustrum surface, wherein the upper surface of the tibial tray comprises a locking mechanism for engaging with the tibial liner; a coupling device, including a proximal morse taper located at an upper end that defines an internal frustrum space that engages with the external frustrum surface of the lower surface of the tibial tray, a morse taper wall that defines an external frustrum surface, and a distal end with a recess adapted to receive a fastener; a metaphyseal cone including an internal wall that defines an internal frustrum cavity for engaging with the external frustrum surface of the coupling device; and a tibial stem including a threaded end fastened to the distal end of the coupling device.

The application discloses a special fixture for turning of a heterogeneous rotary body thin-wall part and a precision machining method, relates to the technical field of special fixtures for turning of rotary bodies, and comprises a conical two-stage telescopic servo hydraulic system, an inner supporting module and an outer clamping module. The conical two-stage telescopic servo hydraulic system is of Morse taper structure, is connected with a machine tool through a left end pull rod, is internally provided with a first-stage chamber and a second-stage chamber, and is provided with an inner cylinder and a piston rod which are respectively installed in sliding fashions along an axial direction. The inner supporting module comprises an inner wall supporting mechanism and a selectable rib plate supporting mechanism. The special fixture for turning of the heterogeneous rotary body thin-wall part is compact in structure, can adopt outer clamping, inner supporting and rib plate limiting to realize multifunctional positioning and clamping of the thin-wall part, is convenient to mount and dismount, is stable in clamping, and is high in clamping efficiency. The precision machining method improves the machining precision and surface quality of the thin-wall part, effectively controls clamping and machining deformation, reduces product rejection rate, improves machining efficiency, and reduces machining cost.

The utility model relates to a compound tool, in particular to an efficient compound tool for cutting machining of a sleeve lathe. Comprising a cutter body, a turning hole is formed in the end face of one side of the cutter body, and a Morse taper shank is arranged on the end face of the other side. An outer circle turning chip groove and an outer circle turning PCD blade located in the outer circle turning chip groove are formed in the end face, close to one side of the trepanning hole, of the cutter body; a transmission pin shaft is rotationally installed on the cutter body in the axial direction, the two ends of the transmission pin shaft penetrate through the end faces of the two sides of the cutter body respectively, a cut-off cutter body is arranged on the end face of the side, close to the sleeving hole, of the transmission pin shaft, a driving connecting rod is arranged on the end face of the side, close to the Morse taper shank, of the transmission pin shaft, and the driving connecting rod is connected with a hydraulic connecting rod of a machine tool. A positioning piece is arranged between the cut-off tool body and the tool body, and a cut-off edge is arranged on one side of the cut-off tool body close to the center shaft of the trepanning hole. Workpieces can be machined without tool changing operation in the machining process, the machining time can be effectively shortened, and the machining efficiency is improved.

The invention discloses a permanent magnet motor rotor magnetic steel positioning and assembling device and method, and the device comprises a servo rotary table which is disposed at the center of a pedestal, and the table surface is provided with a Morse taper hole which is used for cooperating with the shaft end of a rotor, and achieves the high-precision coaxial positioning. The rotor locking ring is matched with a wedge-shaped pressing block driven by an air cylinder and used for pressing and fixing the magnetic steel in the radial direction. The linear module drives the clamping pincers to move along the linear lead screw, the magnetic steel is pushed into a rotor groove, and a permanent magnet adsorption strip is arranged in the clamping pincers to prevent the magnetic steel from deviating; the laser sensor forms a reference ring in a rotor groove through a reflector, and is used for limiting the circumferential and radial positions of the magnetic steel. A pressure sensor is arranged between the clamping pliers and the linear module so as to monitor the insertion force of the magnetic steel; through combination of optical reference, force control pushing and pneumatic locking, rapid and high-precision assembling of magnetic steel is achieved, and the magnetic steel assembling device has the advantages of being compact in structure, reliable in positioning and convenient to remodel.

The utility model relates to the technical field of steel rolling, and discloses a novel gear box type wear-resistant disc side guide plate before hot rolling and coiling, which comprises a roller bed supporting beam, a hydraulic push rod is assembled on the side wall of the roller bed supporting beam, a guide plate beam is fixedly connected to the output end of the hydraulic push rod, a disc taper shank is assembled in the guide plate beam, and a gear box is arranged on the disc taper shank. A disc lining plate is connected to the outer portion of the disc taper shank in an interference fit mode, the disc taper shank is sleeved with a gear shaft, the interior of the gear shaft is in threaded connection with a screw rod, and the screw rod penetrates through a center hole of the gear shaft and extends into the disc taper shank. According to the novel gearbox type wear-resistant disc side guide plate before hot rolling and coiling, an integrated rotating body is combined through the pre-tightening force of the bolts, so that only one nut is needed for disassembling and assembling the disc; the rotation axis of the disc is ensured to be highly overlapped with the axis of the gear shaft by utilizing the Morse taper, so that the bending moment resistance and the radial impact load bearing capacity of the disc are greatly improved.

The utility model relates to the technical field of indexable face milling cutter machining, in particular to a clamping tool for machining an indexable face milling cutter in a five-axis machining center. In order to solve the problem that when indexable face milling cutters of different specifications are machined, jumping of the clamping tool needs to be checked again after the clamping tool is replaced every time, the novel clamping tool for machining the indexable face milling cutter in the five-axis machining center comprises a tool body, a mandrel and a fixing bolt, the tool body is provided with a Morse taper hole, and the mandrel is provided with a clamping hole. A plurality of fixing threaded holes are formed in the edge of the top face of the tool body, the mandrel comprises a positioning part and a taper shank part, the taper shank part is connected with a Morse taper hole in the tool body in a matched mode, a disassembling hole is formed in the side face of the tool body, and a plurality of fixing bolts are connected with the corresponding clamping counterbores and the corresponding fixing threaded holes in a matched mode. When the clamping tool disclosed by the utility model is used for machining indexable face milling cutters with different specifications, only the adaptive mandrel needs to be replaced, so that the clamping time is effectively saved.

The present invention discloses a longitudinal-torsional composite ultrasonic vibration drilling device, comprising a turning device equipped with a longitudinal-torsional composite vibration mechanism. The longitudinal-torsional composite vibration mechanism comprises a flange, a Morse taper, a horn, and a piezoelectric ceramic disc. The flange is coaxially mounted on the Morse taper. An elastic collet is mounted on the shank end of the Morse taper. A locking nut is mounted on the elastic collet. A twist drill is plugged into and connected to the elastic collet and secured to the elastic collet via the locking nut. The horn comprises at least three horns, which are evenly distributed on the flange and located on the same side as the taper end of the Morse taper. The piezoelectric ceramic disc is mounted on each horn. The present invention transmits longitudinal vibration at an oblique angle to the flange through the longitudinal-torsional composite vibration mechanism and converges the longitudinal vibration at that angle, thereby achieving longitudinal-torsional composite vibration drilling with the twist drill.

An improved modular rotational device includes a first and second threaded coupler for affixation along the stem of an endoprosthetic device, for example, a humeral prosthesis or a femoral prosthesis. The rotational device axis of rotation is coaxial with the stem, and its axis of rotation is located in close proximity to the intramedullary stem of the prosthesis or in close proximity to the distal articulation of the prosthesis. A housing has a proximal and distal end with an axial bore therethrough for receiving an elongated stem of the device. A lobe ring may be utilized to limit the axis of rotation of the device. Additional endoprosthetic devices may be attached to male or female threaded couplers, or to Morse tapers. A plurality of suture attachments facilitates attachment of soft tissue thereto.

This utility model discloses a hydraulic chuck for grinding machines with internal hole expansion and positioning. It includes a cylinder, a pull rod, a rotary disk, and a fixed center. The pull rod is connected to the cylinder and passes through the rotary disk and the fixed center. The fixed center is mounted on the grinding machine spindle. The rotary disk is mounted on the fixed center via a tapered roller bearing. A top cover is installed at the center of the end of the rotary disk, and a telescopic rod is installed at the end of the rotary disk via an injection-molded expansion sleeve. One side of the telescopic rod is pressed into the end face of the fixed center. In this hydraulic chuck for grinding machines with internal hole expansion and positioning, the fixed center portion of the chuck is fitted with the Morse taper hole of the machine spindle. The tail cylinder, through the structure of end face bearings, a pull rod, a fixed center, tapered roller bearings, a rotary disk, a telescopic rod, and an injection-molded expansion sleeve, enables the cylinder to drive the injection-molded expansion sleeve to move left and right. This allows the injection-molded expansion sleeve to expand evenly under the movement of the right-end inclined surface of the rotary disk, eliminating the positioning gap in the internal hole.

The utility model discloses a multifunctional machine clamp power head of a lathe. The multifunctional machine clamp power head comprises an adjustable-speed motor arranged in a main body shell, one end of the body shell is fixedly connected with the Morse taper shank, and the coupler and the bearing are arranged in the other end of the body shell. An output shaft of the speed regulating motor is connected with the main shaft through a coupling; the main shaft is fixed in the bearing inner ring; chucks are arranged at the outer ends of the spindles; the main body shell is also provided with a knife rest connecting handle; the axis of the tool rest connecting handle is perpendicular to the axis of the main shaft. The utility model has the advantages that: the multi-working-procedure machining device can be directly clamped on a lathe saddle or a lathe tailstock, and can be used for drilling, milling, grinding and other multi-working-procedure machining on a part clamped on a lathe, so that working procedure concentration is realized on one lathe.

The present invention discloses a lathe spindle center hole drilling device, comprising a spindle box, a lathe spindle rotatably connected therein, a chuck connected to one end of the lathe spindle, a plurality of claws evenly connected to the chuck, a workpiece mounted in the claws, a mounting cavity provided in the lathe spindle, an inner shaft rotatably connected therein, a hollow cavity provided in the inner shaft, an end of the coupling extending away from the cylinder seat into the hollow cavity and connected thereto with a connecting nut, a connecting rod connected therein, a Morse sleeve connected to the other end of the connecting rod, a Morse taper connected therein, a drill chuck connected to the end of the Morse taper near the chuck, and a center drill connected therein. Compared with the prior art, the present invention has the advantages of novel structure, reasonable design, low labor intensity, and high production efficiency.

The utility model discloses an implant single-sleeve crown repairing device, and belongs to the technical field of implant denture repairing. The device comprises a composite abutment and a sleeve outer crown, the composite abutment comprises a boss inner crown composed of an upper circular truncated cone section and a lower retention section which are connected up and down, and the sleeve outer crown is sleeved on the boss inner crown and is in retention connection with the boss inner crown through Morse taper. The device is mainly composed of the sleeve outer crown and the boss inner crown, the number of accessories is small, the structure is simple, the technical sensitivity to doctors is reduced, a common insertion path can be easily obtained, time and labor are saved during operation, and therefore the clinical process is accelerated, time is saved, accuracy is improved, and missing teeth of a patient can be simply and rapidly repaired. The sleeve outer crown and the boss inner crown are fixedly connected through the Morse taper, the retention effect is good, the retention force is sufficient, and the sleeve can be taken down by a patient only with force when the sleeve needs to be taken down, so that oral hygiene and cleaning of the patient are facilitated, periodontal health is protected, and the long-term success effect is achieved.

The invention discloses a large-aperture inner hole rolling device for workpieces in irregular shapes, relates to the technical field of rolling devices, and aims to provide a structure scheme which is light in weight, simple in structure and suitable for large-aperture rolling machining. The invention discloses a Morse cone. The cutter handle is perpendicular to and fixedly connected with the Morse cone; the two tool aprons are arranged at the two ends of the tool handle correspondingly. The two sliding block bases are respectively connected with the two tool aprons; the two positioning sliding blocks are respectively connected with the two sliding block bases in a sliding manner; the adjusting assembly is used for adjusting the relative distance between the two positioning sliding blocks; the two limiting end covers are respectively connected with the two positioning slide blocks; the two limiting end covers are located at the two ends, away from each other, of the two positioning sliding blocks. A ball is arranged between the limiting end cover and the positioning sliding block, and the limiting end cover is hollow so that the ball can be exposed.

The utility model relates to a novel rapid chain disassembling and assembling tool which comprises an n-shaped frame type fixing support, and the lower end of the n-shaped frame type fixing support is used for installing an ejection mechanism. The drawing mechanism comprises a drawing clamp, a supporting platform, a rotating handle, a gear and a rack block; a through hole is formed in the center of the top of the fixing support in the vertical direction, a rotating handle is arranged above the through hole, a gear is horizontally arranged below the through hole, and the gear is connected with the rotating handle through a Morse taper self-locking mechanism. The supporting platform is horizontally and fixedly arranged in a frame of the fixing support, and the gear is located above the center of the supporting platform. A rack used in cooperation with the gear is arranged on the side edge of the rack block. The two rack blocks are movably arranged on the supporting platform in parallel, and racks of the two rack blocks are opposite and meshed with the gear. The two drawing clamps are arranged at the ends of the two rack blocks respectively. During installation, the chain does not need to be pulled by manpower, and the operation difficulty and the personnel cost are reduced while the disassembly and assembly functions are achieved.

The utility model provides a kind of top-mounted electric mixer with Morse connection chuck, it is related to electric mixer technical field, including shell, drive shaft, chuck, stirring paddle, the drive shaft includes shaft body, the shaft body is equipped with the through-hole of shaft that can be passed by stirring paddle, the shaft body is rotationally arranged in shell by bearing, the lower part of the shaft body is provided with outer Morse taper, the chuck is used to fix stirring paddle, the inner sleeve of the chuck is equipped with the inner Morse taper that is compatible with outer Morse taper.The top-mounted electric mixer with Morse connection chuck, chuck is connected between drive shaft by Morse taper, and the two are pressed together by Morse taper, compared with the mode of traditional screw fixation, chuck and drive shaft are connected closely, without gap, and coaxiality is good.No special custom-made parts are needed, the price is low, the cost advantage is big, and the product application range is wide.