1234results about How to "Realize delivery" patented technology

The invention relates to a pressure maintaining carrier taking device and a taking method thereof.The pressure maintaining carrier taking device comprises a workbench, a pressure maintaining carrier conveying mechanism, a taking dismounting and mounting mechanism, a material disc conveying mechanism and a material disc lifting mechanism are arranged on the workbench, and the taking dismounting and mounting mechanism comprises two symmetrically-arranged taking dismounting and mounting assemblies; the material taking and dismounting assembly comprises a first supporting frame body, a three-axis driving mechanism, a fixing plate, a rotary driving mechanism, a connecting plate, a material taking mechanism and a dismounting mechanism, the driving end of the three-axis driving mechanism is connected with the fixing plate, the rotary driving mechanism is installed on the fixing plate, and the driving end of the rotary driving mechanism is connected with the connecting plate; the material taking mechanism and the dismounting and mounting mechanism are installed on the two faces of the connecting plate correspondingly. According to the material taking device for the pressure maintaining carrier, automatic material taking of products is achieved, disassembly and assembly of the pressure maintaining carrier are further achieved, the material taking efficiency of the products is greatly improved, the labor cost is reduced, and the quality of the products is ensured.

The present invention relates to the technical field of metal waste treatment, and discloses a metal solid waste recycling and treatment device, including a treatment box shell, a drive motor is arranged on the left side thereof, and the output end of the drive motor is connected to a crushing roller through a rotating shaft, a fixed bracket is fixedly installed at the lower end of the treatment box shell; a first gear and a second gear are rotatably arranged on the right side of the treatment box shell, and a fixed plate is installed at the upper end of the treatment box shell. The metal solid waste recycling and treatment device can discharge metal waste through a discharge plate to ensure safety during use, and can flush the inside of the device through the rotation of a spray plate, and can convey the crushed scrap metal through a linkage structure to link the conveyor belt to rotate, and can clean the conveyor belt through a cleaning plate, and then clean the cleaned conveyor belt and absorb water stains through a flushing component, and can absorb materials such as iron, cobalt, and nickel in the crushed metal through the linkage rotation of an annular magnet.

The utility model provides a conveying device and welding equipment, the conveying device is provided with a feeding station and a processing station, the conveying device comprises a positioning mechanism, a conveying mechanism, a driving mechanism and a driving mechanism, the positioning mechanism defines an accommodating space suitable for accommodating workpieces, and the positioning mechanism is provided with a movable driving part; the conveying mechanism is used for conveying the positioning mechanism to the machining station from the feeding station; and the driving mechanism is arranged on the feeding station, and the driving mechanism is used for driving the driving part so that the positioning mechanism can position or release positioning of the workpieces in the containing space. According to the conveying device, the driving mechanism and the positioning mechanism are arranged separately, the structure of the conveying device is simplified, assembly line positioning and conveying of workpieces are achieved, and production efficiency is improved. In addition, the positioning mechanism is driven by a single power source to automatically center the workpiece in at least two directions at the same time, the positioning precision can be improved, and therefore the machining precision and the product yield are improved.

The present invention relates to the technical field of material conveying devices, and specifically to suspended material conveying equipment, including a support frame, a guide structure, a hooking structure, a clamping structure, a driving structure, an adjusting structure and a guide frame. The hooking structure can be used to hook materials to be conveyed, and the guiding structure can be used to guide the hooking structure to move. The gap between the guiding structure and the guide frame is small, so that jumping during the guiding process can be avoided, thereby improving the stability of use. The driving structure can drive the hooking structure to move, thereby realizing the conveying of materials, the adjusting structure can adjust the position of the conveying structure, and the clamping structure can realize the rapid separation of the hooking structure and the guide structure. When the hooking structure is separated from the guide structure, it will not resist the conveying structure, thereby facilitating the disassembly of the conveying structure and facilitating the cleaning and maintenance of the conveying structure.

The utility model relates to production equipment for spraying and winding a thermal insulation pipe. The production equipment comprises a rack, a pipeline supporting assembly, a pipeline conveying assembly and a pipeline cutting assembly, the pipeline supporting assembly is used for supporting the heat preservation pipe and comprises at least two electric rollers, and the two electric rollers are arranged in a spaced mode and supported on the two sides of the heat preservation pipe correspondingly. The pipeline conveying assembly is used for conveying heat preservation pipes and comprises a supporting plate, the supporting plate is horizontally arranged between the two electric rollers, and a plurality of conveying driving mechanisms are arranged on the lower side of the supporting plate. Each conveying driving mechanism comprises a crank, a connecting rod and second driving equipment, the crank is rotationally mounted on the rack, one end of the connecting rod is hinged to the crank, and the connecting position deviates from the rotation center of the crank; the other end of the connecting rod is fixedly connected with the supporting plate; the second driving device is in transmission connection with the crank and drives the crank to rotate around the rotation center of the crank. The pipeline cutting assembly is used for cutting off the heat preservation pipe. Conveying of the heat preservation pipe is achieved, abrasion is not prone to occurring, and the stability of equipment is ensured.

The invention discloses mechanical fermentation and pile-turning integrated equipment for Pu'er tea. According to the invention, mechanization and cleaning of fermentation of the fermented Pu'er tea can be obviously improved, modern processing of the fermented Pu'er tea is realized, and the current situation of traditional and backward fermentation of the fermented Pu'er tea is changed. According to the scheme, the integrated equipment comprises a ground rail and a second transverse paver, the ground rail and the second transverse paver are arranged in parallel, and storage boxes are arranged in the ground rail and the second transverse paver. Tea leaves can be effectively scattered and mixed through rotation of a turning knife and a second deblocking knife; according to the tea leaf processing device, the tea leaf processing efficiency and quality are improved, the uniformity of the tea leaves is ensured, through control of the first servo motor, the second servo motor, the third servo motor, the fourth servo motor and the fifth servo motor, the automatic processes of scattering, conveying, scattering again, collecting and pile turning of the tea leaves are achieved, manual intervention is reduced, and the working efficiency is improved.

The invention discloses a logistics unmanned aerial vehicle take-off and landing point selection method, device and equipment, a medium and a product, and relates to the technical field of unmanned aerial vehicle take-off and landing point planning. According to the method, after a solution of a logistics unmanned aerial vehicle take-off and landing point selection problem under the condition of a given instance is obtained, the given instance serves as a model input item, the solution serves as a model output item, a model adopting a deep reinforcement learning method is imported for model training, and an unmanned aerial vehicle take-off and landing point selection model is obtained; and then, the coordinates of all logistics demand points of the target area and the logistics demand quantity are imported into an unmanned aerial vehicle take-off and landing point selection model, and the coordinates of the selected unmanned aerial vehicle take-off and landing points are output to serve as a logistics unmanned aerial vehicle take-off and landing point selection result of the target area, so that the problem of complex logistics unmanned aerial vehicle take-off and landing point site selection decision can be solved. Therefore, distribution with logistics requirements can be realized with low cost, and practical application and popularization are facilitated.

The utility model relates to the technical field of hot rolling mills, in particular to a hot rolling device for an aluminum alloy plate strip, which aims at solving the technical problem of overcoming the defects of large using amount of cooling liquid and difficulty in cleaning in the prior art, and is mainly realized through the following technical scheme: the hot rolling device for the aluminum alloy plate strip comprises a rack and a hot rolling assembly, the hot rolling assembly comprises a hot rolling frame, an upper hot roller and a lower hot roller and further comprises a cooling assembly and a cleaning assembly, the cooling assembly comprises a water cooling part and an air cooling part, the water cooling part comprises top water cooling and bottom water cooling, the cleaning assembly comprises a first cleaning part and a second cleaning part, and the first cleaning part corresponds to the upper hot roller. The second cleaning piece is arranged between the two adjacent lower hot rollers, the cooling assembly can accurately spray and cool to effectively reduce the using amount of cooling liquid, the cleaning assembly can conduct self-cleaning operation on the upper hot rollers and the lower hot rollers during hot rolling work, dirt residues are avoided, and the follow-up cleaning pressure is relieved.

The present invention belongs to the technical field of steel bar cutting, and specifically provides a steel bar cutting device for construction engineering, including an adaptive adjustable feeding component, a double straightening and conveying component, a steel bar bending detection and cleaning component and a continuous fixed-length cutting component; the pre-action principle is adopted, and a continuous fixed-length cutting component is provided, the cutting length is pre-set, and a cut-off button is used as a cutting node to achieve the continuity of the fixed-length cutting of the steel bars, and the two ends of the steel bars are clamped during cutting to ensure the stability of the steel bar cutting; at the same time, the curvature of the steel bar is judged by detecting the movement of the steel ball, and then the curved section of the steel bar is straightened for a second time to ensure the straightness of the steel bar, which lays a foundation for the fixed-length cutting of the steel bar; in addition, the adaptive adjustable feeding component is provided, and the distance between the movable ring and the fixed ring can make the support plate of the circular array close to or away from the central pillar, so that steel bar coils of various specifications can be fixed.

The invention discloses an iron sheet machining device for a road guardrail, and relates to the technical field of guardrail iron sheet machining. Comprising a first supporting frame, a transverse translation mechanism is installed on the first supporting frame, and a laser cutting assembly used for cutting an iron sheet body is installed at the bottom of the transverse translation mechanism; the auxiliary conveying mechanism is used for auxiliary conveying of the iron sheet main body; the detection mechanism is used for detecting the position of the iron sheet main body; and the control module is based on detection information of the detection mechanism. Through the arrangement of the detection mechanism, the supporting and positioning assembly and the control module, the detection mechanism can be used for detecting the position and distance of the reinforcing ribs, and the control module controls the adjusting part to adjust the position of the wheel carrier on the supporting table so as to adapt to the distance of the reinforcing ribs, so that the iron sheet main body can stably move in the conveying process; and meanwhile, the cutting reliability is guaranteed.

The invention belongs to the technical field of sealing detection, and particularly relates to prefabricated pipe gallery sealing detection equipment which comprises a driving vehicle and further comprises a stirring device, a conveying device and a gas conveying device which are mounted on the driving vehicle. According to the sealing detection equipment for the prefabricated pipe gallery, by arranging the stirring device, water and a coloring agent in the stirring tank can be fully stirred, a driving motor drives a stirring paddle to rotate and drives a scraping plate to move back and forth, and the driving motor can drive a driving sleeve to rotate; a driving sleeve can respectively drive a rotating sleeve and a lifting gear to rotate under the control of an adjusting hydraulic cylinder, so that a driving gear set is driven to rotate or lift, a driving electromagnet can be driven to switch, the driving electromagnet can be conveniently and magnetically connected with a stirring rack or a scraping plate according to needs, the input of a driving source is reduced, and the working efficiency is improved. And the recovered solution can be recycled after being filtered by the filter plate in the collecting tank.

The invention discloses a spraying device for grassland ecological soil remediation in the technical field of ecological remediation. The spraying device comprises a vehicle body, a storage assembly is installed at the top end of the vehicle body, a lifting cavity is formed in the vehicle body, a lifting assembly is arranged in the lifting cavity, a supporting plate is fixedly connected to the bottom of the lifting assembly, and a plurality of spraying assemblies are linearly arrayed at the bottom of the supporting plate; a pump assembly is arranged in the vehicle body; the spraying assembly and the storage assembly are both communicated with the pump assembly; and each spraying assembly comprises a rotating hole column fixedly connected to the bottom of the supporting plate, a spraying ring is annularly arranged on the surface of each rotating hole column, a plurality of spraying openings communicating with the storage assembly are formed in the bottom of each spraying ring, and a plurality of injection assemblies are arranged in each rotating hole column. Through cooperative assistance of the lifting assembly, the spraying assembly and the injection assembly, when the grassland surface soil is hard, spraying remediation can be conducted on the grassland soil surface, meanwhile, injection of liquid medicine can be completed by going deep into the grassland soil, and the ecological remediation effect of the grassland soil is improved.

The invention belongs to the technical field of cold pilger mills, and discloses a cold pilger mill quick-release feeding clamping device which comprises a mounting plate, a rotating sleeve is rotatably connected to the inner wall of the mounting plate, a rotating ring is fixedly connected to the end of the rotating sleeve, arc plates are mounted on the inner walls of the rotating ring, and connecting rods are fixedly connected to the inner walls of the two arc plates. The ends of the two connecting rods are fixedly connected with limiting plates, the outer walls of the two arc plates are sleeved with springs, and the ends of the two connecting rods are fixedly connected with end covers. In the moving process of the mounting frame, a sliding rod smoothly slides along the inner wall of an arc plate, meanwhile, a spring is gradually compressed, and a fourth motor controls the rotating path of a first gear to enable an extrusion plate to push a limiting plate to move, so that it is ensured that carrier rollers on the mounting frame can oppositely move by a corresponding distance, and the clamping requirements of pipelines with different diameters are met.

The invention relates to the technical field of ablation, in particular to a flexible electrode pulse ablation catheter, a pulse ablation device and ablation equipment.The ablation catheter comprises a catheter body with a far end and a near end which are oppositely arranged, and the catheter body comprises a traction structure and a conveying pipe assembly arranged on the traction structure in a sleeving mode; the electrode assembly comprises at least one connecting pipe and at least two electrodes, every two adjacent electrodes are fixedly connected through the corresponding connecting pipe, and each electrode is of a tubular structure internally provided with a cavity; one end of the traction structure penetrates through the conveying pipe assembly, then extends into the electrode assembly and is fixedly connected with one end of an electrode arranged close to the far end of the pipe body. Under the action of external force, the traction structure can drive the two opposite ends of the same electrode to move oppositely or move away from the tubular structure until the tubular structure shrinks or expands. The flexible degree of the electrode assembly can be improved, the electrode with a larger area can be attached to the focus, conveying and ablation at the large-angle position of the periphery of the focus are achieved, the ablation effect is guaranteed, and the ablation success rate is increased.

The invention discloses a gasket stamping device for an electric automobile gearbox, which belongs to the technical field of stamping equipment and comprises a base, a top plate is arranged at the top of the base, and two groups of conveying mechanisms are arranged at the bottom of the base; the stamping die comprises a lower die and an upper die, and a punching hole and a punching groove are formed in the top of the lower die; the hydraulic driving mechanism comprises an oil storage tank, an oil pump, a reversing valve, an oil distribution tank and a plurality of hydraulic cylinders, the top ends of the hydraulic cylinders are communicated with the oil distribution tank, piston plates are slidably mounted in the hydraulic cylinders, and piston rods are fixedly mounted at the bottoms of the piston plates. Automatic positioning and conveying of a raw material plate can be achieved through the pressing mechanism, the positioning mechanism and the pushing mechanism, automatic punching machining of the plate can be achieved through cooperation of the hydraulic driving mechanism and the punching die, the punching strength can be automatically adjusted according to the thickness of the plate, overload of an oil pump is avoided, and the production efficiency is improved. The applicability of the device is improved.

The invention relates to an unmanned aerial vehicle distribution method, an unmanned aerial vehicle and a UWB positioning device, the method is applied to the unmanned aerial vehicle, and the method comprises the following steps: the unmanned aerial vehicle obtains a target action space of a target balcony; the unmanned aerial vehicle flies into a target action space according to the real-time positioning information; the unmanned aerial vehicle hovers in the target action space and obtains hovering position information; the unmanned aerial vehicle broadcasts and sends a first positioning signal, so that the UWB positioning device is activated according to the first positioning signal and sends a response signal, and the first positioning signal comprises hovering position information; the unmanned aerial vehicle analyzes the response signal and obtains position information and identification information of the UWB positioning device; the unmanned aerial vehicle constructs a take-off and landing space on the target balcony according to the position information and the identification information; and the unmanned aerial vehicle lands on the target balcony according to the take-off and landing space. According to the invention, the bandwidth of the UWB positioning device can be saved, and the positioning requirements of high-density arrangement and large-scale unmanned aerial vehicles are met.

The ship anchor chain automatic welding equipment comprises a base and an anchor chain arranged at the top of the base, a welding structure is arranged at the top of the base, the welding structure can weld the anchor chain, and the welding structure comprises a frame fixedly connected to the top of the base; the side, away from the base, of the frame is fixedly connected with a welding gun assembly, and the welding gun assembly is located at the top of the anchor chain and makes contact with a welding seam on the surface of the anchor chain. According to the anchor chain welding equipment, the welding structure with the fixing structure is arranged, welding seams on the surface of an anchor chain can be accurately welded, the welding quality is ensured through the direct contact design of the welding gun assembly, the welding efficiency and precision are improved, and through the integrated base, the welding structure, the fixing structure, the transmission structure, the traction structure and the linkage structure, the welding quality is improved. The automatic welding process of the ship anchor chain is achieved, due to the integrated design, the production efficiency is improved, manual intervention is reduced, and the welding quality and safety are ensured.

The invention discloses a flat gate valve with a protection function, which relates to the field of gate valves and comprises a valve body, a valve plate is mounted in the valve body, one side of the valve body is connected with a connecting pipeline, and a pressure dispersion device is mounted on the other side of the valve body. It needs to be explained that in the embodiment of the invention, when a medium is conveyed, the medium enters the multiple dispersion pipes through the transfer pipe, then enters the valve body through the transfer pipe and then enters the connecting pipeline through the valve body, medium conveying is achieved, and therefore the pressure of the medium is effectively dispersed through the multiple dispersion pipes; when the valve plate is opened or closed, the resistance can be effectively reduced; besides, if the ground is settled, the supporting steel chisel is clamped on the ground or transversely inserted into the ground at the moment, then supporting force is provided for the supporting box, and when the valve body meets water, the two protection covers seal the valve body through automatic sealing, so that the problem that the valve body is corroded and damaged and cannot be used due to the fact that the valve body is soaked in the water for a long time is solved.

The invention relates to the technical field of food separating and packaging, and discloses a cutting and sub-packaging system for meat products, which solves the problem of poor use effect of the existing cutting and sub-packaging device for meat products, and comprises a supporting base, and a conveying and cutting mechanism and a packaging bag supply mechanism are arranged at one end of the top of the supporting base; the packaging bag supply mechanism is located at the bottom of the conveying and slitting mechanism, the other end of the top of the supporting base is provided with a split charging mechanism and a discharging conveying belt, the split charging mechanism is located at the bottom of one end of the conveying and slitting mechanism, and the discharging conveying belt is located at the bottom of the split charging mechanism. The conveying and slitting mechanism is composed of a supporting frame, a combined alternate conveying assembly, a slitting assembly, a material collecting and conveying assembly and a discharging hopper. By means of the cutting and subpackaging system, automatic conveying, cutting and packaging of meat products can be achieved, and the working efficiency is effectively improved.

The utility model belongs to the technical field of powder transportation, and discloses powder transportation equipment which comprises a first shell, a transportation assembly and a transmission assembly, and a feeding port and a discharging port are formed in the two sides of the first shell respectively; the conveying assembly comprises a rotating shaft, a bearing and a spiral blade, the bearing is connected with the rotating shaft, a cooling cavity is formed in the rotating shaft, the two ends of the rotating shaft are connected with conveying pipelines, the conveying pipelines communicate with the cooling cavity, and the rotating shaft penetrates through the first shell and is rotationally connected with the first shell; the spiral blade is located in the first shell and fixedly connected with the rotating shaft. The transmission assembly comprises a driving piece, and the driving piece is connected with the rotating shaft. Thus, high-temperature powder enters the first shell through the feeding port and is conveyed to the discharging port under the action of the spiral blade, a cooling medium is conveyed into the cooling cavity through the conveying pipeline, heat transferred to the bearing can be reduced, and the situation that the temperature of the bearing is too high is avoided.

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 provides a sewage treatment deodorization device, and relates to the technical field of sewage treatment, the sewage treatment deodorization device comprises an underneath channel, the rear end of the underneath channel is fixedly provided with a tail seat, the front end of the underneath channel is fixedly provided with a head seat, and a spiral propeller is rotatably arranged in the tail seat and the head seat; a first motor is fixedly arranged outside the head seat and is in transmission connection with the spiral propeller; a middle bin is fixedly arranged at the top of the lower channel in a sealed mode. An upper channel is fixedly arranged at the top of the middle bin. The device is provided with a strip-shaped frame, a synchronous driving function of conveying sewage and adding a deodorant and a flocculating agent is provided, the strip-shaped frame can convey the sewage and can also make contact with a trigger piece in the backward moving process, a control piston is extruded, and a liquid material in the control piston penetrates through a one-way valve B to be input into an upper channel for filling; meanwhile, the powder feeder is driven to move back and forth to automatically supplement powder, so that automatic deodorization, flocculation and conveying are realized, and the problem that an existing deodorization device is inconvenient to automatically add powder in equal proportion is solved.

The invention relates to the technical field of automobile seat massage devices, in particular to an automobile seat massager mechanism which comprises an automobile seat massager composed of a first mounting frame, a second mounting frame, a massage mechanism, a driving mechanism and an abutting plate. The massage mechanism comprises a sleeve arranged on the first mounting frame, a first piston arranged in the sleeve in a reciprocating manner, an air bag fixedly mounted at one end of the sleeve, and a push rod which is fixedly connected to the outer surface of the first piston and penetrates through the sleeve and the interior of the first mounting frame; the connecting block is welded to the other end of the push rod; the reset spring is fixedly mounted on one side, close to the push rod, of the connecting block; a lubricating mechanism used for lubricating the pushing arm is arranged on the outer surface of the second mounting frame. According to the seat massage device, various technologies such as mechanical transmission, electric adjustment and automatic lubrication are combined, accurate adjustment of the massage effect and long-term stable operation of equipment are achieved, the practicability and comfort of the seat massage device are improved, and time and energy of a user are saved.

The fire monitor comprises a first monitor barrel, a material conveying barrel, a gas conveying mechanism and a monitor head, the material conveying barrel is arranged in the first monitor barrel, the output end of the material conveying barrel communicates with the monitor head, and the gas conveying mechanism is arranged on the material conveying barrel and used for conveying external gas into the material conveying barrel; the air conveying mechanism comprises a pushing structure and an air cylinder structure. The air cylinder structure comprises a cylinder body, a piston, a push rod, an air inlet pipe and an air outlet pipe. The device has the advantages that external gas is input into the material conveying barrel through the gas conveying mechanism, so that a foam aqueous solution is fully refined and foamed, and the capacity of the foam aqueous solution penetrating into a comburent and adhering to the surface of the comburent is greatly enhanced; in addition, the fire monitor can achieve conveying of water, foam and compressed air foam, and the three-in-one effect is achieved.

The utility model discloses an insect receiving line for propagating lepidoptera larvae, which comprises an insect receiving part, the insect receiving part comprises a conveyor belt and an egg conveying part positioned above the conveyor belt, and the conveyor belt is used for conveying a tray bearing materials; the egg particle conveying part is arranged to synchronously convey egg particles to at least two trays which are sequentially arranged on the conveying belt in the upstream and downstream direction, the extending direction of the conveying belt is parallel to the width direction of the trays, and the width of the conveying belt is matched with the length of the trays; the PLC is electrically connected with a power source of the conveying belt and the egg particle conveying component. According to the system, the working efficiency is greatly improved, the structure is simplified, and the cost can be reduced.

The invention relates to the technical field of hydraulic motors, in particular to a hydraulic motor assembling production line. A hydraulic motor assembly production line comprises a conveying line used for conveying workpieces; the overturning press-fitting station is arranged on the conveying line, and after the overturning press-fitting station conducts primary press-fitting on the workpieces, the workpieces are overturned, and then secondary press-fitting is conducted; and the cover closing and torque hitting station is arranged on the conveying line, the cover closing and torque hitting station is located on the downstream of the overturning press-fitting station, and the cover closing and torque hitting station conducts cover closing and torque hitting on the pressed workpieces. The technical problems that in the prior art, in the hydraulic motor assembling process, repeated carrying is needed, the assembling difficulty is large, and the precision is low are solved.

The invention discloses a tea grading screening device, which belongs to the technical field of screening, and comprises a base, a sieve plate and a guide plate, the sieve plate forms a plurality of screening areas, the base is provided with a driving assembly for pushing the sieve plate to intermittently slide back and forth, and the base and the sieve plate are respectively fixed with a bracket and a connecting block; one ends of the multiple guide grooves are close to one another, the length direction of one guide groove is consistent with the gravity direction, included angles are formed between the length direction of the other guide grooves and the gravity direction, and the included angles are different in size. The machine base is provided with a control assembly used for controlling the positions of the multiple guide blocks. According to the tea leaf grading and screening device, the probability that the screening plate is blocked by tea leaves is reduced while the tea leaves are conveyed and screened.

The invention discloses a two-way micropump driven by a double-layer nickel-titanium-based shape memory alloy film, and relates to the technical field of microfluid transmission and control and micromachinery. The invention aims to solve the problem that an existing micropump cannot realize alternate conveying and bidirectional conveying of two different liquids or the same liquid. The device comprises a left cover plate, a gasket, a right cover plate, a first shape memory alloy diaphragm, a pressing block, a second shape memory alloy diaphragm and four copper foil sheets, and the first shape memory alloy diaphragm and the second shape memory alloy diaphragm are oppositely arranged between the right cover plate and the left cover plate in parallel. The gasket is arranged on the outer edge between the first shape memory alloy diaphragm and the second shape memory alloy diaphragm, and the pressing block is arranged in the middle between the first shape memory alloy diaphragm and the second shape memory alloy diaphragm. The outer sides of the edges of the upper portions and the lower portions of the first shape memory alloy membrane and the second shape memory alloy membrane are each provided with a copper foil piece. The invention is used for liquid delivery of the micro-flow control system.

The invention relates to the technical field of circuit board detection, and discloses a circuit board blind hole detection device for a new energy automobile and a detection method thereof.The circuit board blind hole detection device comprises a chassis, the chassis is provided with a conveying mechanism, and the conveying mechanism comprises a rotating shaft rotationally connected to the upper portion of the chassis and can convey a circuit board; the circuit board detection device is simple in structure, convenient to use, capable of conveying a plurality of circuit boards and high in conveying efficiency, the blind hole detection mechanism is arranged, the lead performance of blind holes can be detected, the diameters of the blind holes can be detected, the detection efficiency is high, the circuit boards of different sizes can be detected, the detection range is wide, and the weighing mechanism is arranged, so that the detection efficiency is high. According to the circuit board weighing mechanism, the weight of a circuit board can be weighed through movement of the mechanism, whether the weight of the circuit board is qualified or not is judged, and the qualified circuit board and the unqualified circuit board can be output differently through the output mechanism.

The invention provides a positioning and grinding device for a carbon fiber tube, and relates to the technical field of grinding devices. The left side and the right side of the top end face of the base are each fixedly provided with two mounting blocks, and a guide rod A is welded between the two mounting blocks on the left side. On one hand, when a second electric cylinder cannot contract, a first electric cylinder is controlled to stretch, the first electric cylinder drives a baffle to rotate, two gears are driven to rotate reversely when the baffle moves upwards, the two gears drive two adjusting rods to rotate, two mounting blocks move inwards at the same time when the adjusting rods rotate, and at the moment, the distance between the two containing rollers is reduced; after the distance between the two placing rollers is reduced, the pipe fitting can be extruded upwards until the pipe fitting is in contact with the grinding wheel; and on the other hand, personnel protection can be achieved through a baffle, the situation that personnel make contact with the polishing wheel to be injured is avoided, compared with an existing device, emergency adjustment of the height of the pipe fitting can be achieved when the second electric cylinder is damaged, and the emergency adjustment structure can play a safety role.