70results about How to "Play a reassuring role" patented technology

The invention provides an automatic bamboo slicing machine which comprises a workbench, a cutting device, a power device, a pressing device and a grinding device. The workbench is provided with a material conveying tank; the cutting device comprises cutter assemblies; the power device comprises a driving assembly, a pushing assembly and a guiding assembly; the pressing device comprises a pressingassembly, a control assembly and a transmission assembly a; and the grinding device comprises grinding assemblies, limiting assemblies, a transmission assembly b and a transmission assembly c. According to the automatic bamboo slicing machine, the two grinding assemblies are symmetrically arranged on the two sides of the material conveying tank in a sliding manner, the two cutter assemblies whichcoincide front and back and rotate are installed at the tail end of the material conveying tank, thin bamboos abut against the grinding assemblies when passing through the material conveying tank, andthe two cutter assemblies coincide for slicing; and thick bamboos abut against the grinding assemblies when passing through the material conveying tank, then the cutter assemblies are driven by the transmission assembly b and the transmission assembly c to rotate, then the two sets of cutter assemblies are staggered for slicing, and the technical problem that in the prior art, the bamboos with different thicknesses can only be sliced into single sizes, and consequently the sizes of bamboo chips are different is solved.

The invention provides multi-station full-automatic welding equipment for fan impeller machining. The multi-station full-automatic welding equipment comprises chassis positioning mechanisms, a main frame mechanism, a blade and chassis assembling positioning mechanism located at a second machining station, a first welding mechanism used for welding blades and a chassis at a second machining station, a top cover feeding mechanism located at a third machining station, a second welding mechanism used for conducting spot welding on top covers and the blades on the third machining station, a turningmechanism located on a fifth machining station, a third welding mechanism used for conducting all welding on the turned top cover welding semi-finished products and turned blade welding semi-finishedproducts on the fifth machining station, so that a fan impeller finished product is obtained and a discharging mechanism. The chassis positioning mechanisms are separately connected with the main frame mechanism. According to production demands, full-automatic welding can be conducted on the fan impeller to replace a traditional manual welding technology, and therefore welding efficiency, weldingquality and welding precision are improved.

The invention relates to a thin-walled part slider type vehicle clamp, wherein a right nut, a right cone, right sliders, a support plate, a right lining, a left cone, left sliders, a disc and a left nut sleeve a mandrel from right to left in sequence; the support plate and the disc are fixedly connected by a connecting rod; a right guide plate is arranged on each right slider; the right sliders are in sliding fit with the support plate through the right guide plates; each right slider comprises two small sliders which are connected by a spring; the plurality of right sliders are arranged along the circular conical surface of the right cone; the support plate is fixed on the mandrel by the right lining; the disc is fixed on the mandrel; the plurality of left sliders are arranged along the circular conical surface of the left cone on the disc; a left guide plate is arranged on each left slider; each left slider comprises two small sliders which are connected by a spring. The thin-walled part slider type vehicle clamp disclosed by the invention can clamp thin-walled part workpieces conveniently.

The invention provides a plastic extruder, which can solve the problems that a traditional plastic extruder cannot stir raw materials sufficiently, and the power consumption of a motor is large. With the plastic extruder, the extrusion quality is ensured, and the production cost is reduced. A feeding device is arranged on a machine barrel; an external heating device is arranged on the periphery of the machine barrel in sections; screw blades extending along the axial direction is arranged on the periphery of a screw. The plastic extruder is characterized in that the screw comprises a feeding section screw rod and a discharge section screw rod connected with each other in the axial connection; the feeding section screw rod is coupled to an output shaft of a drive motor; one end of the discharge section screw rod is connected with the feeding section screw rod while the other end of the discharge section screw rod is connected with an extrusion die of the discharge hole section of the machine barrel; the discharge section screw rod is in the shape of a hollow barrel; a screw blade extending along the axial direction is arranged on the outer periphery of the feeding section screw rod; screw blades which are in the same direction as the screw blade at the outer periphery of the feeding section screw rod are arranged on the outer periphery and the inner periphery of the hollow barrel-shaped discharge section screw rod; the screw blade at the outer periphery of the feeding section screw rod and the screw blade at the outer periphery of the discharge section screw rod are connected to form a whole body.

The invention discloses an automatic feeding mechanism of double punching machines. The automatic feeding mechanism comprises a frame, a loading mechanism, a taking mechanism and a main controller, and is characterized by further comprising two punching machines, two thickness measurers and blank detection positioning mechanisms; the metal thickness detectors and the loading mechanism are both fixed on the frame; the taking mechanism is positioned rightly above the loading mechanism; the two ends of the frame are respectively connected with the two punching machines; the punching machines are provided with the blank detection positioning mechanisms; the metal thickness detectors are positioned in the middle positions of the punching machines and the loading mechanism; the metal thickness detectors can detect the thickness of blanks sucked on the taking mechanism so as to judge the number of the sucked blanks; and in the process of the taking mechanism conveying the blanks to the punching machines, the number of the blanks is detected to prevent the damage of molds. In addition, when the blanks are put in the molds, photoelectric detectors on the punching machines can detect if the blanks are placed precisely, so that such problems as mold damage and punching safety are further guaranteed.

The invention provides bamboo product production equipment which comprises an equipment platform, a slitting device, a feeding device, a grinding device and a detecting device. The equipment platformis provided with a material conveying tank and a material conveying pipe; the slitting device comprises a cutter assembly; the feeding device comprises a discharging rail and a slitting assembly; thegrinding device comprises a conveying belt pushing assembly, a rotating assembly, a grinding assembly and a power assembly, the detecting device comprises a limiting assembly and a stirring assembly,the slitting assembly slits bamboos into bamboo tubes with the same length and conveys the bamboo tubes into the material conveying tank, and the conveying belt pushing assembly pushes the bamboo tubes to be ground through the grinding device and then make contact with the limiting assembly; and the limiting assembly moves outwards according to the diameter of the bamboo tubes and drives the cutter assembly to rotate through the stirring assembly, the cutter assembly rotates to slit when the bamboo tubes have the large diameter, the slitting assembly coincide to slit when the bamboo tubes havethe small diameter, and the technical problem that in the prior art, the bamboos with different diameters cannot be correspondingly slit, and consequently the sizes of bamboo canes are different is solved.

The invention provides a vernier caliper used for hole distance measurement. The vernier caliper comprises a main ruler, wherein the main ruler is provided with a gradienter used for detecting the level condition of the main ruler; the lower surface of the main ruler is provided with a fixed caliper inserted into one to-be-measured hole of a workpiece; the main ruler is provided with a sliding seat in a sliding way; the side surface of the sliding seat is provided with a vernier; and the bottom of the sliding seat is provided with a sliding caliper component which is inserted into the other to-be-measured hole of the workpiece or fit to the to-be-measured surface of the workpiece and can slide along the main ruler. The above vernier caliper used for hole distance measurement can quickly and accurately position the center of a circle of the to-be-measured hole so as to quickly detect an interval between two holes and an interval between a hole and a surface. The vernier caliper has theadvantages of being simple in structure, convenient in operation, accurate in measurement and the like.

The invention relates to a method for forming and preparing a carbon fiber drive shaft for a college students' formula car. Carbon fiber prepregs are used for winding a mandrel, after the mandrel is connected with connecting ends, winding is preformed continuously. The mandrel is removed by solidification after winding, spline ends are connected to form an integral shaft, a carbon fiber shaft bodyis formed by symmetrical angle layering in three stages, the metal connection ends are divided into flange edges and internal and external gluing parts, the spline ends are divided into flange edgesand spline parts, and the carbon fiber shaft body and the metal connection ends are in a double-lapped connection and mechanical connection mode, and the metal connection ends and the spline ends arefixed by bolts passing through the holes of the flange edges. The drive shaft can be used for various purposes by replacing the spline ends, has high durability and high fiber content, the connectionstrength between the metal connection end and the carbon fiber shaft body is high, the mass of the drive shaft is low, the rotational inertia is small and the natural frequency is high.

The invention provides a dagger drill on one hand. The dagger drill comprises a head segment (1), a tail segment (3), and a middle segment (2) for connecting the head segment (1) and the tail segment (3). A continuous blade (4) is arranged around an axis direction (L) of the dagger drill from the head segment (1), the middle segment (2) to the tail segment (3); the end head of the head segment (1) forms a tip (11); and the diameter of the blade (4) is gradually increased from the first segment (1) to the middle segment (2). The invention also provides a method for hole processing on the other hand. According to the dagger drill and the method for hole processing provided by the invention, the improvement of the processing efficiency, the reduction of the layering risk of hole processing, and the improvement of the quality of a hole can be realized at least.

The invention discloses a prostate puncture surgical robot based on ultrasonic image navigation. The prostate puncture surgical robot comprises a seven-degree-of-freedom pose adjusting mechanism and a three-degree-of-freedom supporting frame mechanism. Wherein the posture adjusting mechanism comprises a posture adjusting module capable of realizing accurate positioning, a probe adjusting module for controlling the probe to automatically position, rotate and feed, and an end effector for realizing a puncture function. The posture adjusting module adopts a multi-joint coupling algorithm to control a remote center motion point, two rotating plates are restrained through rotation to form a connecting rod mechanism, and the angle between the two rotating plates is changed through driving of a holder motor, so that virtual fixation of the remote center motion point is achieved. The supporting frame mechanism for achieving large-range movement of the pose adjusting mechanism in the space comprises a moving module for achieving X-axis and Y-axis movement and a lifting module for achieving Z-axis up-down lifting. Under ultrasonic image navigation, automatic rotary feeding and pose adjustment of the ultrasonic probe can be achieved, accurate positioning is carried out, a large-range prostate scanning view can be obtained, the biopsy tissue sampling range can be expanded, meanwhile, automatic needle insertion of a puncture needle can be achieved, fatigue of doctors can be effectively relieved, and the working efficiency of the doctors is improved. And the surgical precision, the surgical efficiency and the surgical safety are improved to a certain extent.

The invention discloses a resistivity variation principle based optical centering deviation detecting device and relates to the technical field of optical centering. The resistivity variation principle based optical centering deviation detecting device comprises a shell; an inlet end and an outlet end are respectively fixedly connected to the left side and the right side of the shell; a baffle isfixedly connected between the shell and the outlet end; four spring sheets are flexibly connected to the outer side of the shell; centering blocks are flexibly connected to the left ends and the rightends of the spring sheets; a light source is flexibly connected to the inner side of each centering block at the left end; and a photoresistance is flexibly connected to the inner side of each centering block at the right side. The height of the light source and the height of the photoresistance are on the same straight line; a material penetrates an inlet positioning mechanism and an outlet positioning mechanism, an outer ring contacts the centering blocks to drive the centering blocks to move when the material shifts and the light source and the photoresistance are not on the same straightline at the moment; whether the material inclines can be detected by utilizing the resistivity variation of the photoresistance; and accuracy and stability of the detection result of the device is improved.

The invention discloses an efficient and energy-saving type drying machine. The efficient and energy-saving type drying machine comprises a shell body and a drying bucket, wherein a rotary shaft is fixedly arranged at the center of the bottom of the outer side of the drying bucket; a first belt wheel is fixed on the rotary shaft; the first belt wheel is connected with a second belt wheel through a belt; the second belt wheel is fixed on an output shaft of a motor; a heating plate is arranged on an inner wall of the shell body; the motor and the heating plate are electrically connected with an electrifying switch; the electrifying switch is electrically connected with an inverter; the inverter is electrically connected with a storage battery; the storage battery is electrically connected with a charging controller; and the charging controller is electrically connected with a wind power generator and a solar battery. The efficient and energy-saving type drying machine disclosed by the invention adopts clean wind energy and solar energy as a working power supply, and clothes can be heated and dried when being dried by spinning, so that the airing time of the clothes is saved; and the efficient and energy-saving type drying machine is reasonable in structural design and easy to manufacture, and has the advantages of convenience for utilization, low cost, remarkable energy-saving effect and the like.

The invention provides an automobile transmission shaft welding forming surface refinement treatment process, and relates to the field of automobile part machining treatment. The automobile transmission shaft welding forming surface refinement treatment process comprises a bottom plate, clamping devices, grinding devices and fixing devices, wherein the clamping devices are fixedly arranged on thebottom plate, and the fixing devices are fixedly connected to the bottom plate; and the grinding devices are arranged on the bottom plate, and the grinding devices are located between the clamping devices and the fixing devices. According to the automobile transmission shaft welding forming surface refinement treatment process, automatic batch fine treatment of the surface of an automobile transmission shaft can be achieved, the fine treatment efficiency is improved, and the cost consumption is reduced; according to the automobile transmission shaft welding forming surface refinement treatmentprocess, the clamping stability of the automobile transmission shaft is improved in multiple modes; and secondly, according to the automobile transmission shaft welding forming surface refinement treatment process, by means of two grinding modes of rotation and left-right sliding, the grinding efficiency is improved.

The invention discloses a high-precision butterfly valve body and valve plate sealing face machining device which comprises a base, a workbench and a mounting frame fixedly connected to the front face and the back face of the base, and the workbench is rotationally connected with the base through a thrust ball bearing. According to the device, the main shaft and the workbench are fixed, the vertical shaft frame and the upper center are also fixed, no gap exists between the vertical shaft frame and the upper center, the inclination disc tool is fixed to the center shaft, a workpiece to be machined is fixed to the inclination disc tool, no gap exists obviously, and the rubber pad bears the weight of the workpiece to be machined; meanwhile, the center shaft has the aligning and centering effects, the whole tool part tightly floats on the workbench, the workbench rotates to drive the inclination disc tool and the workpiece to be machined to rotate so as to complete machining of the workpiece, in this way, deviation in the workpiece machining process can be effectively reduced, the sealing effect is more ideal in the pressure testing process after the workpiece is assembled, and the machining efficiency is improved. And the leakage problem is reduced.

The invention provides a vacuum pump capable of achieving multiple vacuum degrees. The vacuum pump comprises a base, and the base is provided with a high speed double-shaft drive motor, a first vacuumpump body and a second vacuum pump body, wherein the first vacuum pump body and the second vacuum pump body are installed at the right and left ends of the high speed double-shaft drive motor symmetrically; output shafts at the right and left ends of the high speed double-shaft drive motor penetrate through outer shells of the first vacuum pump body and the second vacuum pump body separately, andare directly connected with impellers in the outer shells; and the second vacuum pump body is provided with a first air inlet and a second air inlet, wherein an exhaust port of a first vacuum pump onthe first vacuum pump body is connected with the first air inlet in the second vacuum pump body through a communicating pipe. According to the vacuum pump capable of achieving the multiple vacuum degrees, not only can the high vacuum degrees be achieved, but also the requirements of multiple vacuum points and different vacuum degrees in the industry can be met; and the purpose of replacing a plurality of machines with one machine is achieved, and the equipment investment and operating cost are reduced greatly.

The invention provides a continuous chipping process for bamboo tubes. The continuous chipping process comprises the following steps: feeding and clamping of the bamboo tubes, pushing and polishing ofthe bamboo tubes, adjustment of cutters, chipping of the bamboo tubes and reset of the cutters. A feeding rotating wheel rotates to roll the bamboo tubes into receiving grooves, the bamboo tubes arefixed by a pressing assembly, and a moving assembly pushes the bamboo tubes to move towards cutter assemblies. In the process, the bamboo tubes rotate under the action of a control assembly and pass through grinding assemblies, and the grinding assemblies drive the cutter assemblies to rotate correspondingly according to the outer diameters of the bamboo tubes. When the thick bamboo tubes pass, the cutter assemblies rotate, while when the thin bamboo tubes pass, the cutter assemblies do not rotate, and then the bamboo tubes are cut by the cutter assemblies. The technical problem of different sizes of bamboo chips cut from the thick and thin bamboo tubes in the prior art is solved.

The invention discloses a heating type dryer which comprises a shell and a drying barrel, wherein the tops of the shell and the drying barrel are both open; the drying barrel is arranged in the shell and is of a cylindrical shape; a rotary shaft is fixed at the center of the outer bottom of the drying barrel; a bearing is mounted on the rotary shaft and fixed at the inner bottom of the shell; a first belt wheel is fixed on the rotary shaft and connected with a second belt wheel through a belt; the second belt wheel is fixed on an output shaft of an electromotor; a heating plate is arranged on the inner wall of the shell; water-through holes are formed in the side wall and bottom of the drying barrel; and a drain pipe is arranged at the bottom of the shell. According to the heating type dryer disclosed by the invention, the clothes are heated and dried at the time of spin-drying, and the airing time of the clothes is saved; and the heating type dryer disclosed by the invention is reasonable in structural design and easy to produce and has the advantages of convenience in use, low cost and the like.

The invention relates the technical field of automatic sorting equipment, and discloses a swivel sorting machine. The sorting machine is characterized in that a plurality of supporting wheels are adopted to support a swivel, and a plurality of centering wheels are arranged, so that the swivel rotates around the circle center of a circle defined by the plurality of centering wheels, the centering of the swivel is achieved, a rotating shaft does not need to be arranged at the center area of the swivel, and a driving device does not need to be arranged at the center area of the swivel under the limit of the position of the rotating shaft. On the one side, grid mouths can be arranged both on the inner side and on the outer side of the swivel at the same time, the center area of the swivel is fully utilized to increase the quantity of the grid mouths, and a sorting cart is capable of doing two-way sorting to the inner side and the outer side of the swivel, and the sorting efficiency is improved obviously; and on the other hand, structures such as civil engineering pillars can be arranged at the center of the swivel, the requirements of the swivel sorting machine for distance between pillars are reduced, the overall arrangement is more flexible, and the adaptability is higher.