1393results about How to "Easy to grab" patented technology

The invention relates to the technical field of project quality supervision acceptance detection, and discloses a project quality supervision acceptance detection system and method based on the Internet of Things technology, and the system comprises an information collection module, a data analysis module, a man-machine interaction module and a data storage library. The data analysis module comprises a point cloud preprocessing sub-module, a fitting comparison sub-module and a problem analysis sub-module; the man-machine interaction module comprises a quality early warning sub-module, a manual re-checking sub-module, a terminal display sub-module and a result output sub-module. According to the system, manual reading and recording are not needed, the data entry error can be reduced, and the data processing efficiency can be improved; a data analysis module automatically judges the wall surface abnormal condition and the quality excellent degree of the local point cloud model, abnormal data are verified through a man-machine interaction working mode, normal data are further mined and analyzed, and therefore the judgment accuracy and the working efficiency of the system are improved; and the workload of supervision personnel is reduced to a great extent.

The LED feeding device comprises a feeding table, a feeding table and a driving mechanism used for driving the feeding table to move left and right in a reciprocating mode, the feeding table is provided with a plurality of feeding grooves used for containing LEDs, the rear ends of the feeding grooves are open, the front ends of the feeding grooves are provided with air blowing holes A used for blowing and conveying the LEDs, and the air blowing holes A are communicated with the feeding table. A plurality of feeding pipelines are arranged on the feeding table, and material taking grooves communicating with the feeding pipelines are correspondingly formed in the tail ends of the feeding pipelines; the feeding table is located at the front end of the feeding table, and the position of the feeding groove corresponds to the position of the front end of the feeding pipeline. Through the cooperation of the feeding table and the feeding table, a plurality of LEDs can be conveyed to the material taking groove of the feeding table at a time so as to be conveniently grabbed by a manipulator of SMT equipment, and the LED feeding mechanism is simple in structure, small in size, large in feeding number at a time and high in feeding speed, and the feeding efficiency is greatly improved.

The invention relates to the technical field of water permeable brick maintenance, in particular to a building water permeable brick production and maintenance device which comprises a bottom plate and a maintenance box, the maintenance box is fixed to the top of the bottom plate, an adjusting mechanism is arranged at the top of the bottom plate, a maintenance mechanism is arranged in the maintenance box, and the adjusting mechanism comprises a supporting seat fixedly arranged at the top of the bottom plate; a motor is mounted in the supporting seat, a circular groove is formed in the top of the supporting seat, a water pump is started, then water in the curing box enters a spray head from a water pipe, and then the water is sprayed to the water permeable bricks on the top of the conveying belt from the spray head, so that water spraying curing of the water permeable bricks is facilitated; the sprayed water flows to the bottom of the curing box from the first water leakage hole and the second water leakage hole and is filtered by the filter screen, and the filtered water enters the spray head again through the water pipe to be sprayed out under the action of the water pump, so that the cyclic utilization of the water is favorably realized.

The invention relates to a bidirectional automatic seedbed and potted flower transfer device and method. The bidirectional automatic seedbed and potted flower transfer device comprises a conveying mechanism, a lifting mechanism, a push-pull mechanism, a grabbing mechanism, a conveying mechanism and a control system. The conveying mechanism comprises a seedbed frame, a motor, a chain, a transverse conveying supporting wheel and a chain wheel, the lifting mechanism comprises an air cylinder, a telescopic rod and a supporting rod supported on an air cylinder shaft and the telescopic rod, the push-pull mechanism comprises a push plate, a small air cylinder, a moving frame, a rail and a motor, and the grabbing mechanism comprises a portal frame and a mechanical arm. The conveying mechanism comprises a guide frame, an angle iron rail and a belt conveyor; the control system comprises a controller, a limit switch, a proximity switch, a magnetic reed switch and a photoelectric counter and is used for monitoring the position of the seedbed, accurately starting and stopping the seedbed and counting flowers. Bidirectional orderly automatic transfer of potted flowers entering and moving out of a cultivation greenhouse can be achieved, the working efficiency is improved, and the labor intensity is reduced.

According to the technical scheme, the wafer turnover device comprises a machine body, a mechanical arm is installed on the machine body, a supporting rod is installed at the tail end of the mechanical arm, a fixing frame is installed on the supporting rod, an adjusting piece is rotationally connected to the fixing frame, a rubber film is installed at the bottom end of a fixing disc, and a sliding disc is connected to the machine body; a spraying strip is connected to the sliding disc, a rolling rod is installed on a rotating shaft of the second motor, and an adhesive tape is installed on the rolling rod; according to the invention, by controlling the rotation of the adjusting sheet, the large-size wafer can be conveniently adsorbed, the adjustment is convenient, gas enters the inner part of the outer ring through the through hole and is slowly sprayed out from the blowing hole, so that the rubber film is blown to bulge, the softness of the rubber film is ensured, the diameter of the outer ring is large, and the large-size wafer can be conveniently adapted; and a certain gap exists between the outer ring and the rubber film under the action of air pressure, so that the rubber film is relatively soft, damage to the wafer is avoided, dust on the surface of the wafer is removed by ion wind, the dust is adhered to an adhesive tape, and secondary adhesion is avoided.

The automatic spraying and baking production line comprises an annular spraying device and an annular baking device, and a plate feeding robot, a feeding hook robot and a feeding hook fixing device are all fixedly arranged on the input side of the annular spraying device. The plate unloading robot and the unloading hook robot are both fixedly arranged on the output side of the annular baking device, the annular baking device and the plate unloading robot are both matched with the unloading hook robot, and the middle transfer device, the hook replacing robot and the hook replacing hook fixing device are all fixedly arranged between the annular spraying device and the annular baking device. The middle transfer device is matched with the annular spraying device, and the middle transfer device, the hook replacement hook fixing device and the annular baking device are all matched with the hook replacement robot. Under the action of the control center, automatic production of parts such as the annular spraying device and the annular baking device is achieved, workers do not make contact with anti-corrosion paint, harm to the workers is avoided, and meanwhile the production efficiency is effectively improved.

The utility model relates to the technical field of biological sample cryopreservation equipment, in particular to a conveying device for biological sample cryopreservation, which comprises a support plate and a support truss arranged on the support plate, a horizontally-arranged conveying module is arranged on the supporting plate, and a pushing module used for pushing the test tube boxes to the cryopreservation frame is arranged on the conveying module; the material taking mechanism comprises a clamping jaw air cylinder, and clamping blocks are arranged at the two movable ends of the clamping jaw air cylinder. The pushing module comprises a material carrying frame fixedly arranged on the conveying module, the material carrying frame is provided with a test tube box containing position, and a pair of receding grooves used for containing the clamping blocks are formed in the test tube box containing position. Under the action of the receding groove, the test tube box is placed on the material carrying frame in a collision-free mode, the situation that after the clamping blocks loosen the test tube box, the test tube box falls and collides with the material carrying frame, and consequently the biological sample leaks is avoided, and the conveying stability of the biological sample is improved.

The invention belongs to the technical field of motor assembly, and particularly relates to an automatic motor assembly production line which comprises a conveying mechanism, a feeding mechanism, a discharging mechanism, a bolt mounting mechanism, a bolt supply mechanism and a jacking mechanism. The feeding mechanism is used for feeding workpieces; the discharging mechanism is used for working discharging. The bolt mounting mechanism comprises a rack, a machine head and a cantilever connected with the rack and the machine head, a rotating assembly used for driving the cantilever to rotate and a lifting assembly used for lifting are arranged on the rack, and a plurality of screwing assemblies corresponding to bolt mounting positions on a workpiece are arranged on the machine head; the bolt supply mechanism is used for supplying bolts; the jacking mechanism is used for jacking a workpiece during bolt installation; a workpiece is jacked up through the jacking mechanism, then a plurality of bolts are installed and screwed at the same time through a plurality of screwing assemblies on the bolt installation mechanism, the production efficiency is effectively improved, the stress uniformity of the installed bolts is guaranteed, the installation quality is improved, automatic assembly is achieved, and time and labor are saved.

The invention discloses a continuous conveying device for heavy oil cleaning agent production, and relates to the technical field of heavy oil cleaning agent production, in particular to a continuous conveying device for heavy oil cleaning agent production, which comprises a first conveyor and a second conveyor, one end of the first conveyor is connected with a feeding machine in an attached mode. According to the continuous conveying device, the roller structures are arranged on the surfaces of the guide plate and the limiting side plate, when the braking plate enables containers in a machining area to be kept relatively stable, the conveying belt can conduct continuous transmission, workpieces at the front end can continue to be conveyed forwards in order by means of the transmission conveying belt and the roller structures on the two sides of the limiting side plate, stagnation of the containers at the front end is avoided, and the machining efficiency is improved. According to the packing machine, the number of starting and stopping times of the whole conveying equipment is reduced, due to intermittent rotation of the push disc, the containers which are originally tightly arranged are rearranged, an interval which is more convenient to grab is formed between the containers, the grabbing time is shortened, and the packing efficiency is improved.

The invention provides a manipulator, a mechanical arm and cleaning equipment, and relates to the technical field of cleaning. The manipulator comprises a connecting part, a first flange and a plurality of clamping arms. The connecting part can comprise a shell and a driving device arranged in the shell. The first flange is rotationally connected with the connecting part, and the driving device is in transmission connection with the first flange and used for driving the first flange to rotate. The multiple clamping arms are arranged on the outer side of the first flange at intervals, one end of each clamping arm is rotationally connected with the first flange, an opening is formed in the end, away from the first flange, of each clamping arm, the driving device is in transmission connection with each clamping arm, and the driving device is used for driving the multiple clamping arms to be close to or away from each other so that the opening can be opened or closed. The rotation axis of the first flange is perpendicular to the plane where the opening is located. According to the mechanical arm, clamping and rotating actions can be achieved, the mechanical arm can enter some narrow spaces, the application scene is wide, and the problem that in the related technology, the application scene of a mechanical arm is limited can be solved.

The invention relates to the technical field of non-standard automation, in particular to full-automatic lock catch feeding, injection molding and transferring equipment which comprises a feeding mechanism, a plate placing mechanism, a material taking mechanism, an injection molding mechanism and a discharging and transferring mechanism. The feeding mechanism comprises a fixed shaft feeding assembly and a shaft sleeve feeding assembly, the fixed shaft feeding assembly is used for locking fixed shaft feeding, and the shaft sleeve feeding assembly is used for locking shaft sleeve feeding; the wobble plate mechanism comprises a wobble plate mechanical arm, a wobble plate driving assembly and a wobble plate material frame, the wobble plate mechanical arm is used for grabbing the locking fixed shaft and the locking shaft sleeve on the fixed shaft feeding assembly and the shaft sleeve feeding assembly respectively and placing the locking fixed shaft and the locking shaft sleeve on the wobble plate material frame for positioning and placing, and the wobble plate driving assembly is used for driving the wobble plate material frame to rotate. The placed locking fixing shaft and the locking shaft sleeve face the injection molding mechanism; full-automatic lock catch feeding, injection molding, taking and transferring are achieved, manpower and material resources are saved, and the production efficiency is improved.

The invention relates to the technical field of laser sample cutting, in particular to an insole cloth laser sample cutting device which comprises a sample cutting table, a base, a separation frame, a first electric push rod, an upper supporting plate, a lower supporting plate, a separation rod, a pressure rod, a first spring, a discharging table, a clamping mechanism and a stacking mechanism. A base is arranged on the rear side of the sample cutting table, a separation frame is installed on the base, an upper supporting plate is slidably connected to the separation frame, a first electric push rod used for driving the upper supporting plate to ascend and descend is fixedly connected to the separation frame, a lower supporting plate is fixedly connected to the upper supporting plate, a plurality of separation rods are fixedly connected to the lower supporting plate, a plurality of pressure rods are slidably connected to the lower supporting plate, and the pressure rods are used for pressing cloth. The separating rod is used for pushing the cut insole away from the cloth. According to the device, the cut insoles can be automatically separated from cloth, and the cut insoles can be automatically stacked together.

The stacking equipment comprises a conveying frame, a base and a set of supporting columns, a queuing mechanism and a carrying mechanism are arranged at the tops of the set of supporting columns, a tilting mechanism is arranged in the conveying frame, a stacking mechanism is arranged at the top of the base, and the queuing mechanism is an oval rail; a plurality of fixing frames are fixedly connected between the inner wall of the oval track and the set of supporting columns, and a first T-shaped sliding groove is formed in the bottom of the oval track. Through the arranged queuing mechanism, a second driving motor works to enable a chain plate to rotate in an elliptical track under the meshing action of the chain plate and a spur gear, a group of supporting plates and clamping plates are driven to lift and move color printing packaging boxes to be stacked, and the color printing packaging boxes can be queued and waited in the elliptical track by using a plurality of groups of supporting plates and clamping plates; different operation time caused by different stacking distances during stacking of the device is avoided, conveying difficulty caused by constant-speed conveying of the conveying frame is avoided, and the device is prevented from being frequently started and stopped to influence the service life of the machine.

The invention provides a rescue fuel transportation device and belongs to the technical field of rescue devices.The rescue fuel transportation device comprises an unmanned aerial vehicle, a lifting frame, an oil tank and a quick connector, the unmanned aerial vehicle is provided with a sensing module and a communication module, and supporting legs and clamping assemblies located at the bottoms of the supporting legs are arranged at the bottom of the unmanned aerial vehicle; the lifting frame is provided with a lifting rod matched with the clamping assembly. The oil tank is connected with the lifting frame, and the oil tank is provided with a detection module and a recording module; the quick connector is arranged at the bottom of the oil tank and extends out of the lifting frame, the quick connector comprises a shell, a plugging block and a reset mechanism, the plugging block is arranged in the shell in a sliding fit mode in the vertical direction, the reset mechanism is arranged in the shell, and a first oblique conical surface is arranged on the inner wall of the lower end of the shell; the plugging block is provided with a second oblique conical surface matched with the first oblique conical surface, and the reset mechanism is used for pushing the plugging block so that the second oblique conical surface can abut against the first oblique conical surface.

The invention discloses battery case hydraulic stretching equipment which comprises a fixed base, lower die bodies and upper die bodies, a plurality of groups of lower die bodies are fixedly mounted on the inner side of the upper end of the fixed base, a plurality of groups of upper die bodies are movably mounted above the lower die bodies, and the plurality of groups of upper die bodies are connected and fixed through stamping plates; the upper end of the punching plate is driven by a hydraulic rod, material moving clamping strips are movably installed at the positions, located on the two sides of the lower die body, of the upper end of the fixed base, a plurality of sets of deviation correctors used for positioning the battery shell are installed on the side edges of the material moving clamping strips, a cooling groove is formed in the upper die body, and the upper ends of the multiple sets of upper die bodies are connected in series through a flow guide pipe. The outer surface of the upper die body is movably sleeved with a stripper plate, a transverse clamping plate is spliced and installed at the lower end of the stripper plate, an unwinding box is slidably installed on the outer surface of one side of the fixed base, and a conveying frame is arranged at the upper end of the unwinding box. And a deviation rectifying type auxiliary material moving structure is arranged, so that the deformation phenomenon of the battery shell during continuous stamping operation can be avoided, and the stamping effect of the battery shell is improved.

The utility model relates to the technical field of hydraulic engineering monitoring, in particular to a water quality monitoring auxiliary device for hydraulic engineering, which comprises a waterproof shell, a buoy is fixedly connected to the center of the top of the waterproof shell, a floating-assisting air bag is fixedly connected to the outer side of the side face of the waterproof shell, and a filter cover is fixedly connected to the bottom of the waterproof shell. An EF-908 type multifunctional comprehensive water quality analyzer is fixedly connected into the waterproof shell. Through the arrangement of the floating-assisting air bag, the compressed air bottle, the automatic inflation valve and the self-adhesive buckle, before the floating-assisting air bag is unfolded, the air bag is compressed and folded and is tightly fixed through the self-adhesive buckle, after a monitoring task is finished, the automatic inflation valve is started, air in the compressed air bottle is injected into the floating-assisting air bag, so that the air bag is expanded and unfolded, and the self-adhesive buckle is bounced off under external force; and the monitoring device is driven to float under the action of buoyancy under water, so that workers can recycle and fish the device conveniently, and the self-adhesive buckle and the floating-assisting air bag can be repeatedly used in the water feeding and discharging process.

The invention relates to the technical field of logistics trays, and discloses logistics tray positioning equipment which comprises a tray body, a buffering mechanism is arranged at the bottom in the tray body, a positioning mechanism is arranged at the top of the buffering mechanism, a rotating mechanism is arranged at the bottom of the tray body, and the positioning mechanism comprises a positioning assembly and a limiting assembly. The positioning assembly is arranged at the top of the buffering mechanism, and the limiting assembly is arranged on the left side of the tray body. During use, through the positioning assembly, when goods need to be placed through the tray body and transported, the goods can be placed on the placing table, and the goods can be conveniently conveyed; the placing table can move downwards under the weight pressure of the goods, the rack can be driven to move in the moving process of the placing table, the rack drives the gear to rotate, the supporting column, the clamping plate and the limiting plate can be driven to rotate through the rotating rod under the action of the gear, and the supporting column and the clamping plate are located on the left side and the right side of the goods.

The invention relates to a photovoltaic module junction box feeding method, which comprises the following steps of: firstly, randomly taking out junction boxes one by one from a material frame, and laying the junction boxes on an overturning platform; secondly, forming a first element; and finally, one or more junction boxes needing to be installed meet the first element and the second element of the corresponding requirements one by one, and are transferred and positioned on the transfer platform through the same mechanical arm, so that feeding of the junction boxes to be installed of the single photovoltaic module is completed. On the basis of visual detection and combination of the first element and the second element, the junction box can be taken out at will to implement disordered automatic feeding of the junction box, meanwhile, transmission of the annular transmission belt and overturning of the overturning platform at different angles are fully utilized, homeopathic overturning or homeopathic unloading is achieved in a narrow space by means of the transmission speed difference, impact on the junction box is small, and the working efficiency is high. And in addition, at least one side can be used as a reference in the unloading process, and clamping is convenient.

The invention discloses a defective product removing device based on machine vision, and relates to the technical field of product detection. Comprising a chain plate conveying mechanism used for conveying products, a mechanical arm mechanism used for grabbing the products is arranged on one side of the chain plate conveying mechanism, and a visual detection mechanism used for detecting the products is arranged on the other side of the chain plate conveying mechanism; the chain plate conveying mechanism comprises a conveying table, and a chain plate conveying assembly is installed on the conveying table. And the positioning pieces are distributed on a plate body of the chain plate conveying assembly at equal intervals. By arranging the chain plate conveying mechanism, the manipulator mechanism and the visual inspection mechanism, the chain plate conveying mechanism can be used for orderly conveying products, the visual inspection mechanism is used for carrying out image acquisition and detection, and qualified products are carried to the next station in the process through the manipulator mechanism; unqualified products are conveyed and discharged along with the chain plate conveying mechanism, so that the purpose of removing defective products is achieved, the automation degree is high, and the detection efficiency is guaranteed.

The invention discloses a kitchen waste pretreatment device, system and method, and relates to the technical field of kitchen waste treatment.The kitchen waste pretreatment device comprises a vibration conveying platform, under cooperation of a transmission coherence assembly, a multi-stage bevel gear transmission structure and a speed regulator are adopted, the stability and reliability of equipment operation are guaranteed, the transmission efficiency is improved, and energy consumption is reduced; and through linkage of an external PLC, parameters of crushing and drying links are automatically adjusted, efficient treatment of different garbage types is ensured, energy use is optimized, preliminary screening can be performed through an external pretreatment screening machine according to natural differences of garbage sizes and densities, the pressure of subsequent treatment links is relieved, the efficiency and precision of the whole process are improved, and the production cost is reduced. Further, under the cooperation of a high-definition camera shooting end and a visual inspection sensor, the grabbing mechanical arm is assisted by spectral analysis of a top puncture detection structure, the garbage type is effectively judged, misclassification is reduced, automatic operation is achieved, manpower dependence is reduced, and operation safety and continuity are improved.

The utility model relates to the technical field of road construction, and discloses a curbstone carrying device which comprises a carrying vehicle, a plurality of sets of walking wheels are installed at the bottom of the carrying vehicle, and an L-shaped supporting plate is fixedly arranged on the top wall face of the rear side of the carrying vehicle. The horizontal end of the upper side of the supporting plate is located over the carrying vehicle, and the length of the horizontal end of the supporting plate is larger than that of the carrying vehicle. According to the scheme, through the arrangement of the stroke assembly, the mechanical arm assembly and the clamping jaw assembly, curbstone can be carried more conveniently, the stroke assembly can meet the requirement for carrying distance adjustment needed by curbstone stacking within a certain range, and the mechanical arm assembly can meet the use requirements for curbstone stacking at different heights; and the clamping jaw assembly can meet the carrying and using requirements of the curbstones with different widths, thicknesses and stacking numbers, so that the using requirements that constructors carry the curbstones in a construction site can be greatly met, and the piled or bundled curbstones can be conveniently and intensively carried.

The utility model provides a feeding unit and a cover buckling system, relates to the field of photovoltaic technology, and aims to solve the technical problem of low production efficiency of cover body feeding when a cover body and a box body are assembled. The feeding unit comprises a material table, a mechanical arm and a first jacking part movably arranged on the material table, the material table is used for bearing a stock bin, and a plurality of cover bodies are stacked in the stock bin in the depth direction of the stock bin. The first jacking part is used for penetrating through the bottom of the stock bin to push the plurality of cover bodies to move towards the top of the stock bin; the mechanical arm is used for grabbing the cover body located on the top layer in the multiple cover bodies and placing the cover body at a preset position. According to the feeding unit, automatic feeding of a plurality of cover bodies can be achieved, and the production efficiency is improved.

The invention relates to the technical field of air tightness detection, and particularly discloses a glass bottle air tightness detection device which comprises an intermittent rotary table arranged on a workbench, a feeding station, a detection station, an unqualified product discharging station and a qualified product discharging station are arranged on the periphery of the intermittent rotary table, and a detection mechanism is arranged at the detection station. An unqualified product grabbing mechanism is arranged at the unqualified product discharging station, and a qualified product grabbing mechanism is arranged at the qualified product discharging station. The intermittent rotary table drives the glass bottles to continuously rotate among the feeding station, the detection station, the unqualified product discharging station and the qualified product discharging station, feeding and air tightness detection of the glass bottles are achieved, different actions are executed according to detection results, the continuous and automatic effect of feeding, detection and discharging of the glass bottles is achieved, and the production efficiency is improved. And the detection efficiency and the automation level are improved.

The invention discloses an intelligent formwork erecting robot which comprises a mechanical claw, a vehicle body, steering wheels, an obstacle avoidance camera and a mechanical arm. The plurality of steering wheels are respectively mounted at the bottom of the vehicle body at intervals, so that the vehicle body can move on a formwork erection site through the steering wheels; a plurality of mounting storage grooves are formed in the vehicle body, so that the plurality of mechanical arms can be folded and stored in the plurality of mounting storage grooves; each mechanical arm is a folding telescopic mechanical arm, one end of each mechanical arm is rotatably connected into the corresponding mounting storage groove through a rotating shaft, the other end of each mechanical arm can extend to the outside of the vehicle body, and a mechanical claw used for erecting a formwork is mounted at the other end of each mechanical arm; the obstacle avoidance cameras are embedded in the outer wall of the vehicle body, and the multiple obstacle avoidance cameras are arranged in the circumferential direction of the vehicle body at intervals. The invention relates to the technical field of constructional engineering, and can solve the problems of complex structure and high cost of a formwork erection robot in the prior art.

The invention discloses a full-automatic cleaning device for a wax pattern module and a cleaning method of the full-automatic cleaning device, and belongs to the field of cleaning. The full-automatic cleaning device for the wax pattern module comprises a machine cabinet, a cleaning unit, a soaking and sucking unit and a purging unit are sequentially arranged at the bottom of the machine cabinet in a linear mode, and the full-automatic cleaning device further comprises a migration assembly arranged on the inner top of the machine cabinet, and the migration assembly conducts transverse displacement; the grabbing and clamping mechanism is connected to the transferring assembly through a lifting part, and the grabbing and clamping mechanism grabs the wax pattern module to move and grab the wax pattern module and moves the wax pattern module to the cleaning unit, the rinsing unit and the purging unit to be cleaned, rinsed and purged in sequence; the grabbing unit of the transferring assembly is provided with the mechanical claw, the mechanical claw accurately grabs the wax pattern module, after the grabbing unit stably clamps the wax pattern module, the transferring assembly controls the mechanical claw to move the module to the cleaning assembly, the cleaning units are arranged in the cleaning assembly, and the transferring assembly can sequentially move the wax pattern module to all the cleaning units to conduct step-by-step cleaning.

The utility model discloses a three-dimensional platform test tube clamping system which comprises a support, and a longitudinal track, a transverse track, a vertical track and a clamping jaw mechanism are arranged on the support. The clamping jaw mechanism comprises a clamping jaw main body and a clamping jaw assembly; the clamping jaw assembly comprises a clamping jaw support, a gear is rotationally matched with the clamping jaw support, two racks are connected to the gear in a meshed mode, the racks and the clamping jaw support are in linear sliding fit in the horizontal direction, and the two racks are parallel to the sliding direction of the clamping jaw support. Clamping jaws for grabbing test tubes are fixedly arranged at the bottom ends of the two racks; a grabbing motor used for driving the gear to rotate is arranged on the clamping jaw support. According to the utility model, the gear and the rack are used for driving the clamping jaws to carry out clamping motion, so that the linear clamping and loosening actions of the clamping jaws are ensured, the swinging space of the existing four-jaw manipulator is not needed, the operation in a narrow space is convenient, a test tube is easy to grab, the time required for grabbing the test tube is shortened, and the risk of sample damage is reduced.

The utility model discloses a pipe bending and cutting all-in-one machine which comprises a machine frame, a pipe bending assembly, a feeding assembly, a cutting assembly and a driving motor, wherein the pipe bending assembly and the feeding assembly are arranged on the two sides of the machine frame, the cutting assembly is arranged between the pipe bending assembly and the feeding assembly, and the driving motor is arranged below the pipe bending assembly. The feeding assembly is used for conveying a to-be-machined pipeline to the position of the pipe bending assembly, the driving motor drives the pipe bending assembly to rotate so that part of the to-be-machined pipeline can be bent into a bent pipe, and the cutting assembly is used for separating the straight pipe part and the bent pipe part of the to-be-machined pipeline. According to the pipe bending machine, the problem that in the pipe bending process, the cutting step and the pipe bending step are separated is solved, the pipe bending assembly and the cutting assembly are arranged on the machine frame, the cutting step and the pipe bending step of a to-be-machined pipeline are carried out on the same machine frame, the feeding assembly is arranged, the clamping stability of the to-be-machined pipeline is improved, and the machining efficiency is improved. And therefore, the machining efficiency of the to-be-machined pipeline is improved.

The utility model discloses a wafer box positioning device, which comprises a fixing plate, a wafer box and positioning assemblies, at least two groups of positioning assemblies are fixedly arranged on the fixing plate, the wafer box is detachably arranged on the fixing plate, and positioning grooves matched with the positioning assemblies are arranged on the wafer box; the positioning assembly comprises two positioning blocks matched with the two sides of the wafer box respectively, the positioning blocks are provided with positioning protrusions matched with the positioning grooves, the upper surfaces of the positioning protrusions are provided with first arc-shaped faces matched with the positioning grooves, and the ends of the positioning blocks are provided with second arc-shaped faces matched with the side walls of the wafer box. The fixing plate is fixed on the production line and is fixed, then the positioning assembly composed of the multiple sets of positioning blocks is arranged on the fixing plate, the wafer boxes of different sizes are matched with the different positioning assemblies, under the action of the positioning assemblies, the wafer boxes can be rapidly positioned to the fixing plate, a mechanical arm on the production line can conveniently grab or store the wafer boxes, and the machining efficiency is effectively improved.

The invention discloses a chemical mechanical polishing method and device and a storage medium. Polishing equipment is controlled to pre-grind a residual layer of a semiconductor structure until the thickness of the residual layer meets a preset thickness condition; and controlling the polishing equipment to perform secondary grinding on the residual layer meeting the preset thickness condition, and detecting end point detection data in the secondary grinding process until the end point detection data indicates that a grinding end point is reached, thereby obtaining a target semiconductor structure. According to the method, the semiconductor structure to be polished is pre-ground until the thickness of the residual layer meets the preset thickness condition, so that the specified thickness is provided for the subsequent secondary grinding stage, the window of the grinding end point in the end point detection data can be expanded when the end point detection data is detected in the secondary grinding process, and the grinding efficiency is improved. And the accuracy, reliability and stability of grabbing the grinding end point are improved.

The utility model relates to the technical field of bearings, in particular to an integrated sealing bearing which comprises a bearing body and an annular plate, the outer wall of the bearing body is fixedly connected with a mounting frame, the outer wall of the annular plate is bonded with a protective sleeve, the inner walls of the two sides of the annular plate are fixedly connected with sliding blocks, and the sliding blocks are connected with the mounting frame. Limiting grooves are formed in the outer walls of the two sides of the sliding block, inlets and outlets are formed in the outer walls of one sides of the top and the bottom of the mounting frame, and a first sliding groove is formed in the outer wall of one side of the top of the mounting frame. According to the utility model, as long as the sliding plates on the two sides are pulled to slide outwards to ensure that the limiting blocks are separated from the limiting grooves in the sliding blocks, the annular plate can be pushed to slide in the sliding groove I and the sliding groove II of the mounting frame to complete the disassembly and assembly of the annular plate and the protective sleeve, and the limiting blocks are inserted into the rectangular limiting grooves in the sliding blocks from the two sides, so that the disassembly and assembly are convenient. The moving direction of the bearing body is inconsistent with that of the bearing body, the falling phenomenon is avoided, the structure is stable, and the use efficiency of the sealed bearing is improved.