2459 results about "Rotary stage" patented technology

The invention relates to the technical field of laser measuring equipment, and discloses laser length measuring equipment for caution light production, which comprises a supporting seat, a rotating table rotationally mounted at the top end of the supporting seat, a laser measuring instrument arranged above the rotating table and a plurality of fixing assemblies arranged on the rotating table, a driving mechanism for driving the rotating table to rotate is arranged on the rotating table; through meshing arrangement of a first bevel gear and a second bevel gear in the synchronous driving assembly and a threaded transmission structure of a driving screw rod and a sliding block, synchronous movement of a clamping plate driven by a plurality of vertical plates is achieved, it is ensured that a warning lamp cover is accurately positioned to the axis position of the detection table, and the detection efficiency is improved. Therefore, the laser measuring instrument can accurately irradiate the center position of the top end of the lampshade, the problem of large measurement data deviation caused by insufficient positioning precision in the prior art is effectively solved, and the detection precision is remarkably improved.

The invention discloses a wafer detection device and method, and belongs to the field of wafer detection, and the device comprises a rotating table which is suitable for bearing and adsorbing a wafer and driving the wafer to rotate; the positioning mechanism is suitable for detecting the offset of the wafer in the wafer rotating process; the adjusting mechanism is suitable for jacking the wafer away from the rotating table and driving the jacked wafer to finely adjust the wafer along a first horizontal direction and a second horizontal direction perpendicular to the first horizontal direction in response to the offset detected by the positioning mechanism; the first detection mechanism is used for detecting the edge of the wafer; the first supporting mechanism is located below the wafer and corresponds to part of the wafer in the detection area of the first detection mechanism, and the first supporting mechanism is suitable for being upwards close to and supporting the edge of the wafer; the wafer is suitable for being driven by the rotating table to rotate so that all parts of the periphery of the wafer can flow through the detection area of the first detection mechanism. By adopting the structure, the wafer can be accurately and efficiently detected.

The invention relates to a calibration method, device and equipment of a laser scanning galvanometer performance detection device. The method comprises the steps that a laser is controlled to emit laser, a rotating table and / or a scanning galvanometer are / is controlled to rotate until a position sensitive detector detects that a light spot of the laser is located at a preset zero point position, and the deflection angle of the rotating table is determined as an initial angle; determining an angle range based on the initial angle and a preset angle, controlling the rotating table to rotate in the angle range, and obtaining light spot positions detected by the position sensitive detectors at multiple angles in the angle range; based on the light spot positions at the multiple angles, calibration parameters in the target calibration function are solved; the solved target calibration function is used for carrying out performance detection on the scanning galvanometer. By adopting the method, the laser scanning galvanometer performance detection device can be automatically calibrated.

The utility model discloses an automatic product screw and nut assembling device which comprises a working table, a vibration feeding disc, a feeding track, a feeding positioning assembly, a nut assembling assembly and an assembling positioning assembly, the vibration feeding disc is fixedly installed on the working table, a discharging port of the vibration feeding disc is connected with the feeding track, a discharging port of the feeding track is connected with the feeding positioning assembly, and a discharging port of the nut assembling assembly is connected with the assembling positioning assembly. A nut assembling assembly is erected above the feeding positioning assembly, an assembling positioning assembly is arranged in the moving stroke coverage range of the nut assembling assembly, the assembling positioning assembly comprises a rotating power device, a rotating table, a clamping air cylinder and an assembling jig, and the rotating output end of the rotating power device is fixedly connected with the rotating table; two opposite clamping air cylinders are fixedly installed at the center of the upper end face of the rotating table, cylinder heads of the clamping air cylinders are connected with an assembling jig, the assembling jig is fixedly installed on the rotating table, the nut and screw assembling machine is simple in structure, two nuts and two screws can be assembled at the same time, and working efficiency is improved.

The present application relates to a kind of rotary multi-station abrasive belt machine and working method, belong to polishing equipment field.The present application includes abrasive belt machine base, its structural characteristics are in that:still include abrasive belt machine rotary table and the abrasive belt machine main body of at least one quantity, the abrasive belt machine main body is fixedly arranged on abrasive belt machine rotary table, the abrasive belt machine rotary table rotation is arranged on abrasive belt machine base, so that there is multiple stations in the rotation process of abrasive belt machine rotary table, the abrasive belt machine main body includes abrasive belt machine rack, driving wheel, abrasive belt, support guide structure and tensioning assembly, the driving wheel, support guide structure and tensioning assembly are all arranged on abrasive belt machine rack, and driving wheel, support guide structure and tensioning assembly are driven by abrasive belt, the quantity of the support guide structure is at least one, so that when abrasive belt passes through driving wheel, support guide structure and tensioning assembly can form multiple trends.

The invention provides a metal part assembling tool and method, and relates to the technical field of bearing press fitting, and the assembling tool comprises a bearing rotating pedestal, a central supporting rod shaft, a tool table, a press fitting barrel mechanism and a plurality of shaft body clamping parts. The tool table is rotatably arranged on the bearing rotating pedestal, and the periphery of the tool table is divided into a feeding area, an assembling area and a discharging area. The method comprises the steps that a shaft body part is placed in a tool step groove in a feeding area and is positioned and clamped by a shaft body clamping component; in the assembling area, the cylinder press-fitting mechanism adsorbs the bearing parts through an electromagnetic suction ring, and the center of the bearing parts is aligned with the positioning column assembly by aligning the clamping and pressing part; the press-fitting cylinder drives the press-fitting cylinder to press downwards, the pressure measuring induction block is triggered after the positioning column assembly makes contact with the shaft body part, the electromagnetic suction ring is controlled to be powered off, clamping and pressing are released, and the shaft body part is automatically sleeved with the bearing part under the action of pressure. And finally, the assembly body rotates to a discharging area to complete discharging. Full-automatic, high-precision and continuous assembly of the bearing and the shaft body is achieved.

The invention relates to the technical field of numerical control machine tools, in particular to a vertical numerical control machine tool based on an intelligent control system and a high-precision machining method thereof. The vertical numerical control machine tool comprises a workbench, a vertical tool rest and a rotating table, a protective plate is arranged around the rotating table, a rotating mechanism synchronously rotates in the workbench at the bottom of the rotating table, a liquid collecting box and a material collecting box are fixedly arranged in the workbench at the bottom of the rotating table, and the liquid collecting box and the material collecting box are spliced into a circular box body. Chippings on the filter screen are guided into the material collecting box to be stored through the material stirring rod, so that the cutting fluid is separated from the chippings, oil gas evaporated in the material collecting box is separated from the external environment through the partition plate, then the oil gas evaporated in the material collecting box is pumped into the backflow pipe through upward movement of the partition plate, and the oil gas is liquefied into the cutting fluid through the cooling capacity conveying pipe; according to the cutting fluid cooling device, the cutting fluid can be recycled, and the cooling capacity of the liquefied cutting fluid can be used for cooling the cutting fluid in the narrow opening, so that evaporation of the cutting fluid in the narrow opening is reduced.

The invention relates to the technical field of paint spraying, and discloses efficient paint spraying equipment for tubular parts, which comprises a worktable, a U-shaped rod, a rotating table, a connecting shaft, a control motor, a fixed bracket, a first belt transmission piece, a moving rod, a spray head, a vertical guide rod, a reciprocating screw rod and the like, a U-shaped rod is fixedly connected to the working table and plays a supporting role, a rotating table is rotationally arranged on the working table, a pipe fitting to be painted can be placed on the rotating table, a connecting shaft is fixedly connected to the rotating table, and a control motor is installed in the working table. According to the device, the pipe fitting can be driven to rotate automatically, paint can be sprayed on the inner wall of the pipe fitting in the rotating process of the pipe fitting, the two arc-shaped clamping rods can clamp the pipe fittings with different diameters on the rotating table, and the function of automatically spraying paint into the pipe fitting is achieved.

The invention relates to the technical field of injection molding and detection machining, and discloses an injection molding and detection integrated non-standard automatic product machining method which comprises the steps of S1, raw material pretreatment and feeding, S2, injection molding, S3, water gap cutting and burr treatment, S4, automatic assembly and hot riveting, S5, multi-dimensional detection and S6, marking, code scanning and discharging. Multi-procedure synchronous operation is conducted, specifically, grabbing, assembling, hot riveting and multi-dimensional detection of injection molding parts are synchronously completed through a six-axis mechanical arm (the repeated positioning precision is + / -0.05 mm) and a multi-station rotating table (the indexing precision is + / -5 ''), the single-piece machining period is shortened to be within 45 seconds, and compared with a traditional technology, the efficiency is improved by 60% or above; continuous production is achieved, 24-hour continuous operation is achieved through a vibration disc feeding system (the speed is 30-50 pieces per minute) and an automatic discharging and disc arranging device (the speed is 20-30 pieces per minute), and the manual intervention frequency is reduced.

The utility model discloses a liquid nitrogen type cooling sample table for vacuum coating, which comprises a rotating table, a first lifting table mounted on the rotating table, a hollow interlayer pipe mounted on the first lifting table, a hollow shaft arranged on the rotating table and driven by the rotating table to rotate, and a second lifting table arranged on the outer side of the hollow shaft and connected with the rotating table. A wafer bracket is arranged at the end, away from the rotating table, of the hollow shaft. According to the utility model, the structure is simple, through the arrangement of the liquid nitrogen chamber, after a sample is subjected to high-temperature treatment, the liquid nitrogen chamber can be utilized to quickly cool the sample to a liquid nitrogen low temperature, and then under the action of the first lifting platform, the first lifting platform drives the liquid nitrogen chamber and the heating disc to perform synchronous height lifting adjustment, so that the distance between the heating disc and the wafer holder is adjusted; when the liquid nitrogen chamber and the heating disc are spaced from the wafer support by a certain distance, a worker can more conveniently put a sample into the wafer support for treatment, and then the sample on the wafer support can be subjected to high-temperature treatment or cooling treatment by adjusting the height of the liquid nitrogen chamber and the height of the heating disc respectively.

The invention belongs to the technical field of mechanical engineering, particularly relates to a self-adaptive grabbing mechanical arm, and provides the following scheme aiming at the problems that a clamping mechanism with a fixed shape is difficult to effectively fit an irregular outline of an object, so that the contact area of grabbing points is small, the stress is non-uniform, and the grabbing is unstable easily, the self-adaptive grabbing mechanical arm comprises a base; the rotating table is movably connected to the upper part of the base; the lifting hydraulic cylinder is fixedly connected to the upper end face of the rotating table; the main arm beam is fixedly connected to the driving end of the lifting hydraulic cylinder; and the sliding seat slides on the main arm beam. According to the self-adaptive grabbing mechanical arm, through the self-adaptive grabbing module, the self-adaptive grabbing mechanical arm can be bent in a self-adaptive mode to be attached to object contours of different shapes and sizes, a grabbed object is tightly wrapped in cooperation with the clamping air bag piece which is inflated and expanded, and flexible and stable grabbing of a target object with the complex outer surface is achieved; and the grabbing adaptability and convenience are remarkably improved.

The invention provides a calibration device of a bias magnetic field and a measurement device and method of an absolute magnetic field, and the calibration device comprises a magnetometer which is used for implementing ODMR measurement and outputting magnetic field vector data; the rotating table is used for placing at least a probe part in the magnetometer, and after placing, the xyz coordinate axis of the diamond is aligned with the x'y'z 'rotating coordinate axis of the rotating table one by one; the control module is used for controlling the rotary table to rotate by 180 degrees around the x axis, the y axis and the z axis from the initial position; and the data processing module is used for calculating to obtain a bias magnetic field vector # imgabs5 # according to the magnetic field vector # imgabs0 # of the initial position output by the magnetometer, the magnetic field vectors # imgabs1 #, # imgabs2 # and # imgabs3 # after the initial position respectively rotates around the x axis, the y axis and the z axis by 180 degrees, and a formula # imgabs4 #, wherein the magnetic field vectors # imgabs0 #, the magnetic field vectors # imgabs1 #, # imgabs2 # and # imgabs3 # are obtained by rotating around the x axis, the y axis and the z axis by 180 degrees from the initial position by 180 degrees. The method can achieve the calibration of the bias magnetic field, is high in precision based on the precision measurement technology of the diamond NV color center, and can improve the measurement precision when being applied to the calculation of an absolute magnetic field.

The invention discloses a welding device and method for light-weight ship steel machining. The welding device comprises a rack, a plurality of sets of lateral clamping mechanisms are symmetrically arranged above the rack, and a gate-type cross beam is arranged above the rack; a rotating motor is suspended below the gate-type cross beam, and a rotating table is fixedly mounted at the output end of the rotating motor; a welding mechanism and a contact type cooling mechanism are arranged on one side of the rotating table side by side, and the contact type cooling mechanism is located behind the welding mechanism. By means of the unique structure that the hoisting rotary table is hung on the door-type cross beam, interference-free and efficient welding of a single set of welding mechanism on double-face welding seams is achieved, the equipment structure is more compact, and the cost is lower; and meanwhile, double heat management of'regional cooling and local quenching 'is adopted, a'high-frequency micro-swing' process of the welding gun is combined, and low deformation and high quality are cooperatively guaranteed from two levels of heat input control and weld structure optimization.

The utility model discloses a crushing mechanism assembly and a trolley with the crushing mechanism assembly.The crushing mechanism assembly comprises a multi-degree-of-freedom mechanical arm assembly and a crushing part, the mechanical arm assembly comprises a first rotating mechanism, a pitching mechanism, a swinging mechanism and a second rotating mechanism, one end of the pitching mechanism is connected with the first rotating mechanism, and the other end of the pitching mechanism is connected with the swinging mechanism; one end of the second swing mechanism is connected with the swing mechanism; the second rotating mechanism comprises a rotating assembly and a rotating table, one end of the rotating assembly is connected with the swinging mechanism, and the other end of the rotating assembly is connected with the rotating table; the crushing part comprises a propelling slideway, a crushing hammer and a propelling oil cylinder, the propelling slideway is connected with the rotating table, the crushing hammer is connected with the propelling slideway, one end of the propelling oil cylinder is connected with the propelling slideway, and the other end of the propelling oil cylinder is connected with the crushing hammer. The crushing mechanism assembly has the effects that the vertical crushing range of the crushing mechanism assembly on the tunnel face is widened, and the crushing efficiency of the crushing mechanism assembly is improved.

The utility model relates to the technical field of magnetic ring winding and stranding, and discloses a multi-station rotary table stranding mechanism which comprises a base, a rotary table is arranged above the base, a rotary motor is arranged on the base, the rotary table is connected to the output end of the rotary motor through a rotary main shaft, and the rotary table is connected to the output end of the rotary motor. A clamping and positioning jig is arranged on each station arm on the rotating table, the base is provided with a wire bonding rod assembly, a twisted wire assembly and a photographing and detecting assembly corresponding to the clamping and positioning jigs, and each clamping and positioning jig comprises a magnetic ring fixing seat and a wire clamping block arranged on the side of the magnetic ring fixing seat. The magnetic ring fixing base clamps and positions a magnetic ring, the wire bonding rod assembly and the wire clamping block are matched to place a needed coil on the clamping and positioning jig for wire clamping, and then the remaining coil is twisted through the twisted wire twisting assembly.

The invention relates to the technical field of porcelain production, and discloses a fettling device for ceramic production, which comprises a base, a rotating table is rotatably arranged on the base, and the rotating table is used for placing a green body; a fettling mechanism, a first transmission mechanism and a driving mechanism are further arranged on the base, the fettling mechanism comprises a first sliding seat and a turning tool, and the turning tool is elastically connected with the first sliding seat through a spring damper; the driving mechanism comprises a rotating seat rotationally arranged in the base, and a rotating disc is arranged on the rotating seat and connected with the rotating table. According to the fettling device for ceramic production, a mechanical device is adopted for automatic fettling, the production efficiency is improved, the position and angle of a turning tool can be freely adjusted to replace manual holding of the turning tool, the stability of rotary cutting fettling is improved, the position of the turning tool can be automatically adjusted along with the thickness change of a contacted green body, and the rotating speed of the rotating table can also be automatically adjusted; the method of rough trimming and then fine trimming during manual fettling is simulated, and the situation that a blank is damaged due to the fact that initial rotary cutting force is too large is avoided.

A deposition apparatus including: a processing chamber; a rotary table provided in the processing chamber; a first processing region provided at a predetermined position in a circumferential direction of the rotary table; a second processing region provided downstream of the first processing region in the circumferential direction of the rotary table; a third processing region provided downstream of the second processing region in the circumferential direction of the rotary table; a first heater provided above the rotary table in the second processing region; and a plasma generator. The plasma generator includes: a protrusion having a longitudinally elongated shape in a planar view extending along a radius of the rotary table in a portion of an upper surface of the processing chamber, and protruding upward from the upper surface; and a coil wound along a side surface of the protrusion and has a longitudinally elongated shape in a planar view.

The invention provides a one-key alignment method for heavy-load equipment in multiple scenes, which comprises the following steps of: acquiring a gravity direction component of an equipment body, and establishing a magnetic attitude reference coordinate of the equipment body by combining the reading of a tilt angle sensor and a horizontal reference plane of an optical ranging unit and a calibration point. Capturing the spatial distribution information of the mark points, calculating the offset of the current attitude of the equipment relative to the horizontal reference plane according to the geometric constraint among the mark points, and generating an initial attitude mapping matrix; and reading the angular velocity and the acceleration of the inertial navigation system, determining the deviation between the inertial attitude and the visual attitude, and generating a combined attitude calculation result. The hydraulic cylinder and the rotating table are driven to be synchronously adjusted according to the deviation value between the current attitude of the equipment and the target mounting point, the change trend of the attitude angle is monitored, and suppression feedback is triggered to adjust the fusion weight of the sensor. And calling a micro-motion mechanism to execute a fine pose adjustment instruction, monitoring a pose error in real time, and generating a pose locking report when the pose error is within a tolerance range.

The invention relates to the technical field of detection devices, and discloses a current transformer appearance detection device which comprises a detection table. The visual detection unit is used for performing visual detection on the appearance of the current transformer; the grabbing unit is used for carrying out grabbing detection on the current transformer to be detected; the grabbing unit comprises a movable frame, a second air cylinder is installed on the movable frame, a fixed frame is installed at the telescopic end of the second air cylinder, a rotating table is arranged on the side, away from the second air cylinder, of the fixed frame, and a grabbing assembly is arranged on the rotating table. By adopting a working mode that two groups of opposite clamping plates and clamping blocks are alternately folded and unfolded, when an initial clamping surface needs to be detected, the two groups of clamping plates which are originally in an unfolded state are upwards folded around a first connecting shaft through a swing arm under the driving of a third cylinder, so that the originally clamped surface is completely exposed; a detection blind area caused by fixation of the clamping surface is avoided, and the detection efficiency is improved.

To provide a processing method of a wafer in which processing waste does not remain in a division groove.SOLUTION: The wafer processing method includes a half-cut groove forming step of forming half-cut grooves in the face side 2 a of the wafer 2, a protective member providing step of providing a protective member on the face side 2 a of the wafer 2 in which the half-cut grooves have been formed, a dividing step of grinding the reverse side 2 b of the wafer 2 to form dividing grooves 70 in the wafer 2, dividing the wafer 2 into individual chips 72, and a cleaning step of cleaning the wafer 2 in which the dividing grooves 70 have been formed. The washing step includes a placing step of placing the protective member side on the spinner table, and a washing step of positioning the ejection port 70a of the washing nozzle 78 at the start point 78a of the dividing groove 70, swinging the washing nozzle 78 in synchronization with the rotation of the spinner table to move the ejection port 78a along the dividing groove 70 such that the ejection port 78a reaches the end point of the dividing groove 70, and ejecting washing water in which air bubbles are generated from the ejection port 78a to cause the washing water to enter the dividing groove 70, thereby removing the processing debris from the dividing groove 70.SELECTED DRAWING: Figure 10

The utility model discloses a direct current contactor stroke parameter detection system, which relates to the technical field of direct current contactor detection, comprises a bottom plate, and is characterized by further comprising a positioning clamping mechanism arranged on the bottom plate, an intelligent detection mechanism and an automatic material changing mechanism arranged on the bottom plate and acting on the positioning clamping mechanism, the automatic material changing mechanism comprises a rotating table, a stand column, a transverse plate and an oval concave suction cup. According to the utility model, through the arrangement of the positioning and clamping mechanism, the intelligent detection mechanism and the automatic reloading mechanism acting on the positioning and clamping mechanism, automatic detection of stroke parameters of the DC contactor is realized, and the microswitch effectively eliminates the influence of overshoot and a reset spring of a displacement sensor on the stroke parameters; the data display meter performs zero clearing on the data, performs acquisition and operation on over-travel data when a main feeler lever of the contactor is opened and whole-travel data when the main feeler lever is completely opened, and displays the data on the panel; on the basis of ensuring the detection precision, the detection time and the equipment cost are obviously reduced.

The invention discloses an active and passive adjustment plugging docking mechanism and a charging robot, the active and passive adjustment plugging docking mechanism comprises a front end device and a rear end device, the front end device comprises a fixed platform, a floating seat and a docking plug, and the floating seat and the fixed platform are in floating connection through a passive adjustment assembly and a limiting assembly; the floating seat can conduct pitching deflection, left-right deflection and rotation around the first axis relative to the fixed platform through the passive adjusting assembly to conduct passive angle adjustment, and the passive angle adjustment range can be limited through the limiting assembly. The rear end device comprises a rotating table, a cylinder body arranged on one side of the rotating table and a driving assembly used for driving the rotating table to reciprocate, and a first active adjusting assembly is arranged between the fixed platform and the rotating table. The active and passive adjustment plugging and unplugging docking mechanism can be applied to a charging robot, realizes accurate docking and unplugging between a docking plug and charged equipment, is simple in structure, greatly reduces the production cost, and is convenient to produce.

The invention discloses an azimuth gamma testing device and application, and belongs to the technical field of oil and gas logging equipment, the testing device comprises a PC, a rotating table, a rotating table motor, a motor driver, a rotating speed operator, a conductive slip ring and a stabilized voltage supply, the rotating table is sleeved with a rotating disc, and the rotating disc is fixedly connected with a laser; a dial is fixedly connected to the outer circumference of the rotating disc, one end of the rotating table is connected with the rotating table motor, the other end of the rotating table is connected with the conductive slip ring, the conductive slip ring is electrically connected with the azimuth gamma instrument to be measured, the azimuth gamma instrument to be measured is electrically connected with the stabilized voltage supply and the PC, and the rotating speed operator is electrically connected with the motor driver. The motor driver is connected with the rotary table motor, a photoelectric sensor is fixedly connected to the rotary table, and the photoelectric sensor is electrically connected with the azimuth gamma instrument to be detected. According to the invention, double evaluation of the azimuth measurement precision and the pulse counting time correctness of the azimuth gamma instrument can be accurately checked.

The utility model belongs to the technical field of plate drying, and particularly relates to a plate drying kiln which comprises a base, a drying rotating mechanism is arranged above the base, and auxiliary mechanisms are arranged on the two sides of the drying rotating mechanism. Through the arranged drying rotating mechanism, plates are effectively rotated, so that the surfaces of the plates are completely dried, a stepping motor arranged on the rear side of a rotating table drives a first rotating shaft and the rotating table to slowly rotate through a speed reducer, meanwhile, a limiting plate and an elastic clamping assembly are driven to slowly rotate, the plates are clamped through the elastic clamping assembly, and therefore the plates are completely dried. And meanwhile, baffles arranged on the rear sides of the elastic clamping assemblies limit and stop the plates, the effect of slowly rotating and drying the plates is guaranteed, meanwhile, the surfaces of the plates can be dried, the drying efficiency is improved, operation is easy, and practicability is high.

A microneedle patch base layer lamination and separation device and a control method therefor, a microneedle patch base layer lamination device and a control method therefor, and a microneedle patch demolding and separation device and a control method therefor are provided. The microneedle patch base layer lamination and separation device includes a rack, a movement control mechanism, a movable seat, and a lamination and separation apparatus. The lamination and separation apparatus is arranged on the movable seat, a carrier is supported on the rack, and the movement control mechanism may control the movable seat and / or the carrier to move in a vertical direction and a horizontal direction; the lamination and separation apparatus includes a rotation control mechanism, a rotary table, an elastic pressing head, and an elastic vacuum suction cup.

The invention discloses a three-degree-of-freedom adjusting mechanism for finely adjusting the normal direction of a reflecting mirror. The three-degree-of-freedom adjusting mechanism comprises a mirror frame, a translation table, a pitching table, a rotating table, a base and a translation table top seat, wherein the rotating table is rotatably mounted on the base; a rotating table is arranged on the base, a rotating protruding block is arranged on one side of the rotating table, two protruding bases are further arranged on the base, the rotating protruding block is located between the two protruding bases, rotating jackscrews are transversely arranged on the protruding bases in a threaded and penetrating mode, and the two rotating jackscrews abut against the two sides of the rotating protruding block respectively. The pitching table can be installed on the rotating table in an up-down overturning mode, a pitching jackscrew is further arranged on the pitching table in a threaded and penetrating mode, and the lower end of the pitching jackscrew abuts against the rotating table; the translation table is installed on the pitching table, the mirror frame is transversely arranged on the translation table in a sliding mode, a translation jackscrew penetrates through the translation table in a threaded mode, and one end of the translation jackscrew abuts against the mirror frame. According to the invention, the rotation angle and the pitching angle of the mirror surface of the reflector and the translation adjustment along the normal direction of the mirror surface can be completed.

The utility model belongs to the technical field of optical element machining devices, and discloses an automatic centering device in optical element machining, which comprises a machining base, a rotating table rotationally mounted at the top of the machining base and an electric permanent magnetic chuck arranged at the top of the rotating table, and a rotating mechanism for driving the rotating table to rotate is arranged on the machining base. And a plurality of transverse plates slidably connected with the side wall of the machining base are arranged on the machining base in a penetrating mode, the transverse plates are evenly distributed about the axis of the rotating table, a vertical rod is fixed to the top of each transverse plate, and an adjusting mechanism used for driving the transverse plates to be close to or away from one another at the same time is arranged on the machining base. According to the optical glass polishing device, by arranging the adjusting mechanism, the multiple transverse plates drive the vertical rods fixed to the transverse plates to be close to one another at the same time, so that the optical glass placed on the rotating table can be centered, and the polishing effect of the optical glass is ensured.

A multi-degree-of-freedom humanoid robot dexterous hand belongs to the technical field of robot dexterous hands, the dexterous hand is provided with five fingers, the rear side of each finger is provided with an upper-layer driving module and a lower-layer driving module, the upper-layer driving modules are used for driving the fingers to curl up and stretch, the upper-layer driving modules and the fingers form an integral structure, and the lower-layer driving modules are used for driving the fingers to curl up and stretch out. The lower-layer driving module is used for driving the whole structure to swing left and right and rotate in a three-dimensional mode, the bottom of the lower-layer driving module is fixedly connected with the outer wall of a shell at the palm portion of the dexterous hand, and the upper-layer driving module and the lower-layer driving module do not interfere with each other. And the lower-layer driving module is used for controlling finger actions through a connecting rod rotating table structure. According to different action stress states of the fingers, a layered and modularized driving layout scheme is innovatively designed, on the premise that the space layout is effectively saved, two additional degrees of freedom can be added to each finger, and the flexibility and grabbing precision of the dexterous hand are greatly improved.