1257results about How to "Avoid scatter" patented technology

The invention discloses an automatic seedling feeding and taking device of a plug seedling transplanter, and belongs to the technical field of agricultural machinery. The automatic seedling feeding and taking device of the plug seedling transplanter comprises a rack and a plug conveying mechanism, and further comprises a seedling jacking mechanism, a seedling feeding mechanism and a seedling discharging mechanism, the bracket is connected with the rack; each seedling ejecting rod corresponds to a row of pot seedlings, each seedling ejecting rod abuts against the bottom end of the corresponding pot seedling, and each seedling ejecting rod is used for ejecting the pot seedling corresponding to the seedling ejecting rod out of the hole tray; the reciprocating mechanism is arranged on the bracket and is used for driving the plurality of seedling jacking rods to reciprocate along the height direction of the hole tray; the seedling receiving mechanism comprises a plurality of seedling cups, each seedling cup corresponds to a row of pot seedlings, and the pot seedlings fall into the corresponding seedling cups after being ejected out by the seedling ejecting rods. According to the automatic seedling feeding and taking device of the plug seedling transplanter, parts such as stems and leaves of pot seedlings can be prevented from being damaged in the process of taking the pot seedlings in a plug, so that the survival rate of the pot seedlings is increased.

The invention discloses an environment-friendly steel pipe cutting machine capable of preventing chippings from scattering all around, and belongs to the technical field of steel pipe cutting machining. The environment-friendly steel pipe cutting machine comprises a rack stably placed above the ground, a first motor is fixedly installed on the upper surface of the rack, and a discharging pipe is rotatably installed on the upper surface of the rack in a penetrating mode; a cutting machine shell is installed on the outer side of the discharging pipe in a lifting mode through an air cylinder, meanwhile, a cutting blade is rotatably installed on the inner side of the discharging pipe, a protection pipe is connected to the upper end of the discharging pipe, a cutter hole is formed in the middle of the protection pipe, sliding blocks are symmetrically arranged in the cutter hole in a sliding mode, and corrugated blocking pieces are arranged on the outer sides of the sliding blocks. And meanwhile, a sealing clamping assembly is further arranged on the protection pipe, and a cleaning assembly used for cleaning residual scraps on the inner wall is further arranged on the inner side of the protection pipe. According to the environment-friendly steel pipe cutting machine capable of preventing the chippings from scattering all around, a cutting area can be effectively covered and protected, the chippings are prevented from splashing and scattering, and the chippings can be conveniently collected after cutting is completed.

The invention relates to an FFS heavy film bag-making type packaging machine which comprises a film unwinding assembly used for unwinding a packaging film and a film frame assembly used for receiving the packaging film of the film unwinding assembly and driving the packaging film to be conveyed and further comprises a lower sealing mechanism, a swing arm assembly, a discharging assembly and an upper sealing assembly. According to the packaging machine, through mutual cooperation of a film placing assembly, a film frame assembly, a swing arm assembly, a discharging assembly and other mechanisms, the bag making, packaging and sealing processes of a heavy film packaging bag are completed, a double-layer material door is arranged in the discharging assembly, one layer of material door serves as a direct valve to close a discharging bin, the other layer of material door is further arranged below the material door, and therefore the discharging bin is closed. When the packaging machine is opened, the packaging machine can enter a bag opening of the packaging bag through the end portion, then the bag opening of the packaging bag is completely opened along with the increase of the opening degree, material scattering is prevented, and the overall structural size of the packaging machine is simplified.

The invention belongs to the technical field of coal cutter maintenance, and particularly relates to laser cutting equipment for coal cutter maintenance, the laser cutting equipment comprises a mounting seat and a control panel arranged on the upper side wall of the mounting seat, the upper side wall of the mounting seat is fixedly connected with a PLC, and the upper side wall of the mounting seat is fixedly connected with a fixing frame; the side wall of the fixing frame is fixedly connected with a vertical electric push rod, and the moving end of the vertical electric push rod penetrates through the fixing frame. In the process of cutting and maintaining the coal mining machine by the laser cutting equipment, dust particles attached to an optical component can be automatically cleaned after the optical component of the laser cutting equipment is detected to be blocked by the dust particles, so that the dust particles are prevented from blocking and scattering part of laser beams, and the laser cutting equipment is prevented from being damaged. And meanwhile, the slag adhering phenomenon caused by blocking and scattering of laser beams on the surface of the part is automatically removed, and the appearance quality of the cut part is guaranteed.

The invention discloses a ton bag feeding system and method, and belongs to the technical field of raw material packaging bags or material unsealing. The ton bag feeding system comprises an overturning cage, a lifting plate, a side supporting plate and a discharging pipe. And the top of the overturning cage is of an opening structure. The lifting plate is arranged in the overturning cage and moves in the vertical direction of the overturning cage. The number of the side supporting plates is at least three, the side supporting plates are rotationally connected to the overturning cage, elastic plates are arranged on the inner wall of the overturning cage, and when the elastic plates are in a natural state, the upper ends of the side supporting plates stretch towards the outer side of the overturning cage; arc plates are arranged at the upper ends of the side supporting plates, and arc-shaped grooves are formed in the outer walls of the arc plates. A protruding edge is arranged on the inner wall of one end of the discharging pipe, a cover plate is arranged at the other end of the discharging pipe, and an elastic rope is arranged in the discharging pipe and used for being connected with the cover plate. The lifting plate is connected with the side supporting plate through a pull rope. According to the scheme, the ton bag does not need to be scratched, chippings generated when the ton bag is scratched can be prevented from being mixed into feed, and the ton bag can be guaranteed to be intact.

The invention relates to the technical field of metal wire drawing, and discloses an automatic metal wire drawing machine which comprises a workbench, supporting frames are fixedly connected to the top of the workbench, a protective box is fixedly connected between the inner sides of the supporting frames, and arc-shaped circular truncated cones are symmetrically and fixedly connected to the inner walls of the protective box; a drawing die is arranged in a gap formed between the two arc-shaped circular truncated cones, the inner wall of the drawing die is fixedly connected with the outer walls of the two arc-shaped circular truncated cones, the drawing die is located in the protection box body, and the drawing die is arranged in the protection box body, so that scraped lubricating powder cannot be scattered into air outside the device, and the lubricating powder is prevented from being scraped off. The scraped lubricating powder can be repeatedly used through the conveying assembly and the vibration assembly, the situation that the lubricating powder is scattered into the environment is avoided, dust pollution in air and a working place is reduced, the scraped lubricating powder is effectively and rapidly recycled into the powder rolling assembly, waste and frequent cost supplement are avoided, and therefore the production cost is reduced.

A laser cutting machine for metal plate cutting relates to the technical field of laser cutting machines and comprises a horizontally-arranged cutting table, a receding groove and a sliding U-shaped plate are sequentially arranged at the top of the cutting table in the length direction of the cutting table in a penetrating mode, the sliding U-shaped plate is horizontally arranged in a sliding mode, and a three-axis module is arranged at the position, above the receding groove, of the top of the cutting table. The laser cutting gun is installed on the three-axis module, a plurality of supporting rollers are horizontally arranged in the sliding U-shaped plate side by side, the two ends of each supporting roller are correspondingly and rotationally connected with the opposite inner walls of the sliding U-shaped plate, a horizontally-arranged partition plate is fixedly arranged on the inner wall of the avoiding groove, and a transferring assembly is arranged at the bottom of the partition plate. A discharging assembly and a fixing box are arranged on the left side and the right side of the partition plate correspondingly. The problem that cut finished products in kerfs of an existing laser cutting machine are difficult to take out is solved. And when cutting scraps are cleaned, shutdown disassembly operation is needed. And the positioning accuracy of the cutting area is low. And the post-treatment process of the cutting excess materials is tedious.

The utility model relates to an automatic sorting device for lens disassembly, which relates to the technical field of lens disassembly and comprises a storage bin used for storing lenses to be disassembled and a feeding and discharging Y shaft arranged on one side of the storage bin and used for moving the lenses in a tray out to a working area. The jacking and clamping double-station assembly comprises a clamping head for clamping a to-be-disassembled lens, a lead screw motor for ejecting out to-be-sorted components in the lens in the direction below the clamping head, a component pre-pressing plate piece for pre-pressing the products to prevent the products from scattering and inclining, and a pre-pressing mechanism switching shaft for adjusting the position of a pre-pressing mechanism. An inverted U-shaped support plate is arranged on the top surface of the free end of the component pre-pressing plate piece, the inner wall of the U-shaped support plate is connected with a vacuum chuck tailstock through a lifting component, the bottom surface of the vacuum chuck tailstock is connected with a vacuum chuck piece through a pipeline longitudinally penetrating through the component pre-pressing plate piece, and the vacuum chuck piece adsorbs a component in a lens in a product.

The invention relates to the technical field of soil sampling equipment, and particularly discloses an automatic whole-section sampling device for saline alkali soil detection, the automatic whole-section sampling device comprises a mounting rack, the inner side surface of the mounting rack is fixedly connected with stabilizer bars, and the stabilizer bars are symmetrically and fixedly connected to the two sides of the mounting rack. The whole-section sampling of soil can be automatically completed by starting the motor, the use convenience is greatly improved, the arranged preparation ring not only can protect the tool bit and prevent the tool bit from being damaged due to collision, but also can provide time for the collection of the sampling plate, and the sampling efficiency is improved. When the motor rotates reversely, the sampling plate spirally moves upwards in the reverse direction, and expands outwards in the upward moving process, so that the soil is released, that is, the soil is released after the device is reset, the operation convenience is further improved, and the working efficiency is improved. The protection effect on the sampled soil is also greatly improved, and the soil is prevented from scattering.

The invention discloses a multifunctional automatic laser cutting machine, and relates to the technical field of laser cutting, the multifunctional automatic laser cutting machine comprises a base, a support is fixedly mounted at the top of the base, a first motor is fixedly mounted at the top of the support, a threaded rod is fixedly mounted at the output end of the first motor, and a sleeve is in threaded connection with the threaded rod; a clamping device is arranged at the top of the base, a collecting device is arranged at the top of the base, a ventilation device is arranged at the top of the clamping device, and the clamping device comprises an electric push rod, cutting equipment, a laser head, a bevel rod, a cutting table, a clamping plate, a first bevel block, a connecting rod and a protective plate. A workpiece can be effectively fixed to the cutting table, the workpiece is prevented from moving or shaking in the laser cutting process, the cutting precision is improved, and the connecting rod moves to drive the protection plate to move.

The invention relates to a drilling sampling device and method for ion-type rare earth ore exploration, the sampling device comprises a lifting track, a positioning frame is used for positioning above a sampling hole by using two fixing points which are collinear up and down, and the lifting track extends to the bottom of the sampling hole; a lifting driver is arranged in the sampling base, and the sampling base is lifted and moved to a specified depth position in the sampling hole in the lifting track through the driver; the cutting mechanism is arranged on the sampling base and is used for annularly cutting a rare earth sample on the hole wall at a specified depth position in the sampling hole; the collecting mechanism is arranged on the sampling base, moves along with the cutting mechanism and is used for collecting the rare earth sample cut by the cutting mechanism; and the storage mechanism is arranged on the sampling base and is used for storing the rare earth samples recovered on the collecting mechanism in a layered manner. The ionic rare earth ore sampling device realizes sampling of ionic rare earth ore, and realizes layered storage of rare earth samples.

The invention belongs to the technical field of piling devices, and particularly relates to a building foundation piling device which comprises a pile rod and a pile hammer, the pile rod is fixedly connected to the top of the pile hammer, a crushing mechanism is arranged in the pile hammer, and a driving assembly used for driving the pile hammer and the crushing mechanism to rotate in the same direction at different speeds is arranged outside the pile hammer and the crushing mechanism. The states of the fan-shaped blades can be controlled, the fan-shaped blades are controlled to be in a contracting state, the upper spiral fan-shaped blades and the lower spiral fan-shaped blades can be used as spiral blades, the crushing effect on soil in the pile hammer can be improved, the soil in the pile hammer can be lifted upwards, and the soil is conveyed into a pile rod; by controlling the fan-shaped blades to be in an unfolded state, the fan-shaped blades in the unfolded state and the pile hammer form a relatively sealed space, soil can be prevented from being scattered, so that the soil generated by piling is conveniently transferred in the foundation piling process, the operation is simple, the piling efficiency is improved, and the practicability of the pile driving device is improved.

The utility model relates to the technical field of coal conveying belt cleaning, in particular to a coal conveying belt conveyor tail coal collecting and cleaning device which comprises a supporting frame, a connecting frame, a cleaning assembly, a telescopic cylinder and a connecting shaft, the two sides of the supporting frame are fixedly and detachably connected with supporting columns on the lower portion of the coal conveying belt conveyor tail, and the supporting frame comprises a moving rod. The moving rod moves along the supporting frame through the action of the lead screw nut mechanism; one side of the connecting frame is fixedly connected with the moving rod, a plurality of cleaning assemblies are rotationally arranged on the other side of the connecting frame and connected with the telescopic cylinder through connecting shafts, each cleaning assembly comprises a scraping plate, a spring is arranged on the lower portion of each scraping plate, and the upper portion of each scraping plate abuts against the belt; the two ends of the telescopic cylinder are hinged to the connecting frame and the connecting shaft respectively. The scraper device is simple in structure, the multiple adjustable scrapers are attached to the uneven belt surface of the coal conveying belt conveyor to scrape back coal, and normal operation of the belt conveyor is guaranteed.

The utility model relates to the technical field of numerical control milling machines and discloses a vertical numerical control milling machine which comprises a numerical control milling machine structure, and a waste cleaning structure is arranged in the numerical control milling machine structure. The numerical control milling machine structure comprises a base, a stand column is arranged on the left side of the top of the base, a fixing box is arranged on the top of the stand column, a motor box is arranged on the top of the fixing box, a lifting sliding base is arranged at the bottom of the fixing box, a milling head is arranged on the right side of the lifting sliding base, a workbench is arranged at the bottom of the milling head, and a waste cleaning device is arranged on the left side of the workbench. According to the vertical numerical control milling machine, through the use of the waste cleaning device, waste can be effectively sucked, scattering and pollution of the waste are avoided, the cleanliness and safety of the machining environment are improved, meanwhile, through the use of transmission devices such as the lead screw and the sliding base, accurate movement of the milling head can be achieved, and the stability of the milling head in the machining process is guaranteed.

The utility model discloses equipment for screening building materials in the technical field of building materials, which comprises a screening box, a screen mesh, a feed port, a first discharge port, a second discharge port, a supporting seat, a scraper mechanism and a vibrating mechanism, the feed port is arranged at the top of the screening box, the first discharge port is arranged on the side wall of the screening box, and the second discharge port is arranged on the side wall of the screening box. The second discharging port is formed in the bottom wall of the screening box, a cavity is formed in the screening box, the screen is arranged in the cavity, the feeding port, the first discharging port and the second discharging port are communicated through the cavity, the scraper mechanism comprises a scraper, a push rod and a power mechanism, and the power mechanism drives the scraper to move back and forth on the upper surface of the screen towards the first discharging port. Supporting legs are arranged at the bottom of the supporting seat, a cavity structure sleeved with the supporting legs is arranged at the top of the vibration mechanism body, the vibration mechanism is arranged at the bottom of the supporting seat, and a convex block of the vibration mechanism rotates to drive the screening box to vibrate up and down. The technical problems that a screen of an existing device is prone to being blocked, and the screening efficiency is low are solved.

The utility model belongs to the technical field of carbon molecular sieve production equipment, and discloses a flower mud material crushing conveyor line which comprises crushing equipment, a bottom belt conveyor, an inclined lifting belt conveyor and a vibrating screen, a sunken main pit is formed in the workshop ground of a flower mud crushing station, the crushing equipment is installed in the main pit, and the inclined lifting belt conveyor is installed in the main pit. A feeding hopper of the crushing equipment is removed towards the outer side wall, and the bottom of the feeding hopper is connected through a horizontal steel plate, extends and is connected to the workshop ground in a lap joint mode. The bottom belt conveyor is horizontally connected below a discharge port of the crushing equipment, the bottom end of the inclined lifting belt conveyor is connected at the discharge end of the bottom belt conveyor, and the high end of the inclined lifting belt conveyor inputs crushed flower mud materials to a feed port of the vibrating screen. According to the flower mud material crushing conveying line, crushing equipment is installed in a pit mode, the feeding difficulty is lowered, and the operation safety is improved.

The invention discloses a woven carpet of various plant fibers, which is characterized in that warp yarns A comprise yarns A spun by sisal fibers, warp yarns B comprise yarns B spun by hemp fibers or blended by hemp fibers and cotton fibers, weft yarns are yarns C spun by banana tree stem fibers, the weft yarns are wound above or below the warp yarns A in a staggered manner, two warp yarns A are wound by the weft yarns each time, and the weft yarns are wound by the weft yarns each time. The warps B are located between every two adjacent warps A at intervals, the wefts wound below the warps A are wound below the warps B in a staggered mode or between the warps B and the warps A, and the directions of every two adjacent wefts vertically wound on the warps A and the warps B are opposite. According to the structure, the thickness of the woven carpet made of various plant fibers is increased, and the top surface of the carpet is made of natural plant fibers; the friction coefficient between the silica gel layers on the surfaces of the warps B and the ground is large, so that slipping between the carpet and the ground is avoided, the warps A and the wefts can be matched to be woven more tightly through the action of the silica gel layers, and the overall softness of the carpet is further improved.

The invention discloses a building foundation pit straightway excavation device, and particularly relates to the field of foundation pit straightway excavation, the building foundation pit straightway excavation device comprises a box body, the middle of the box body is fixedly connected with a protection frame, the bottom of the box body is provided with a soil discharge port and a through hole, and the middle of the soil discharge port is fixedly connected with a fixing rod. The position of the next hole is conveniently determined through the arranged laser emitter, the multiple holes are located in the same straight line, the straightway excavation quality is improved, through the arranged protection frame and the protection plate at the bottom of the through hole, soil generated by drilling can be discharged through soil discharging openings in the two sides of the through hole, the situation that the soil is scattered all around or fills the previous hole is avoided, and the construction efficiency is improved. According to the invention, soil among a plurality of holes can be conveniently cleaned, a straight way can be conveniently excavated in a communicated manner, and the soil discharged from the soil discharge port can be pushed to two sides through the arranged waste soil push-away mechanism, so that the soil can be conveniently and manually cleaned and the widths of two sides of the straight way can be conveniently determined through the pushed soil distance, and the working efficiency and the straight way excavation quality are improved.

The invention discloses a PC board surface intelligent flaw recognition device, and relates to the technical field of PC board flaw recognition devices.The PC board surface intelligent flaw recognition device comprises a bottom plate base, a cover plate, an auxiliary cavity, a flaw recognition visual device and a wavy PC board, the cover plate is fixedly connected to the bottom plate base, and the auxiliary cavity and the flaw recognition visual device are both fixedly connected to the cover plate; the wave PC board is located on a conveying belt on the bottom plate seat, and the multi-application type driving assembly, the stable identification auxiliary assembly and the effective identification processing assembly are further included. Through the design of the stable identification auxiliary assembly, it can be effectively guaranteed that the wave PC board is in a state parallel to a defect identification visual device before defect identification is conducted; therefore, the situation that in actual detection, due to the fact that the placing position of the wave PC board is not parallel to the flaw recognition visual device, local irradiation of the to-be-detected wave PC board is insufficient, and the flaw detection accuracy is affected is avoided, the detection accuracy is improved, the misjudgment and missed judgment risks are reduced, and the integrity of image data is effectively guaranteed.

The utility model provides a numerical control cutting machine convenient to collect chippings, which comprises a cutting platform, two sides of the cutting platform are provided with supporting seats, the bottoms of the supporting seats are provided with translation assemblies, the translation assemblies are provided with a chipping collecting box, the bottom of the chipping collecting box is provided with an electromagnetic chuck, and the middle of each supporting seat is provided with a placing frame. A lifting rod is arranged at the bottom of the cutting table, a cutting head is arranged at the bottom of the lifting rod, a telescopic dust cover is arranged on the outer side of the cutting head, dust collection hoses are arranged on the two sides of the telescopic dust cover, a dust collection head is arranged at one end of each dust collection hose, and a dust collection pump is arranged on each dust collection hose. A dust removal box is arranged at the other end of the dust collection hose. Splashing of chippings and dust in the cutting process is avoided through the telescopic dustproof cover, most of the chippings and dust generated in the cutting process are collected into the dust removal box through the dust collection hoses through the dust collection heads on the two sides of the cutting head, and the chippings are conveniently cleaned.

The present invention provides a breeding device and a breeding method for lettuce vegetables, belonging to the technical field of vegetable breeding. It includes a tray structure and a seedling raising structure placed on the tray structure; the tray structure includes a breeding tray, the bottom of the breeding tray is fixedly connected with a plurality of rows of evenly arranged breeding discs, the bottom of the breeding disc is fixedly connected with a first sleeve ring; the seedling raising structure includes a seedling raising tube connected to the first sleeve ring, and the middle position of the inner wall of the seedling raising tube is fixedly connected with a seedling cultivation structure. The present invention sets a seedling raising structure, and the seedling raising structure is used for raising seedlings of lettuce vegetables. The seed soaking structure, the soil storage structure, the rotating structure and the seedling cultivation structure can realize the unified management of the seed soaking, planting and seedling taking processes, simplify the process, realize automatic seed placement and soil covering after the seeds are soaked, and the seedling raising structure can save operation time, while reducing the space occupied by the equipment, and can be reused.

The invention provides a stud ceramic ring rapid breaking and cleaning device and a construction method. The stud ceramic ring rapid breaking and cleaning device comprises at least two breaking execution units, a hinge transmission unit, a clamping fixed part, a clamping movable part, an anti-sputtering baffle, a first operating rod, a second operating rod and a hose. The crushing execution units are arranged on the lower portion of the inner side of the movable clamping part and the lower portion of the inner side of the fixed clamping part, one end of the hinged transmission unit is connected with the lower end of the anti-sputtering baffle, the other end of the hinged transmission unit is connected with the movable clamping part and the fixed clamping part, and the upper end of the anti-sputtering baffle is connected with the end of the hose. The first operating rod is arranged on the clamping fixed part, and the second operating rod is arranged on the clamping movable part. The ceramic ring crushing device has the beneficial effects that due to the adoption of the technical scheme, through the design of the multiple crushing execution units, pressure can be applied to a ceramic ring from multiple directions at the same time, the crushing speed and efficiency are remarkably improved, and the construction time is shortened; and through the combination of the anti-sputtering baffle and the dust collector, the ceramic ring disintegrating slag is effectively prevented from splashing.

The utility model discloses a mesh structure for tunnel shotcrete, which comprises a reinforcing mesh and a fixing component which is arranged on the reinforcing mesh and is used for being detachably connected with an anchor rod, the reinforcing mesh comprises a plurality of mesh units which are arranged on the same layer and are provided with openings on four sides, the end parts of the four sides of each mesh unit are hook-shaped, and the fixing component is arranged on the reinforcing mesh. According to the reinforcing mesh, the contact area of connecting points between the mesh units is increased through the design of the hooks, so that the mesh units are connected more tightly, the situation that the mesh units move or fall off is effectively avoided, the stability of the whole structure of the reinforcing mesh is effectively improved, and the service life of the reinforcing mesh is prolonged. The integrity and the safety of the tunnel structure are further improved; the reinforcing mesh is connected with the anchor rod through the fixing assembly which is detachably connected, the position of the reinforcing mesh can be conveniently adjusted in real time, complex welding operation is not needed, the construction time is greatly saved, and the flexibility and the construction efficiency of tunnel construction are improved.

The invention discloses a bench drill for brake disc machining and relates to the technical field of bench drills, the bench drill comprises a bench drill body and a burr removing mechanism, a fixing frame is arranged at the bottom of a supporting table of the bench drill body, and the burr removing mechanism is arranged on the side face of the fixing frame and used for polishing a drill hole formed after brake disc machining through a drill bit on the bench drill body. The brake disc presses down the deburring cutter, the rotating cylinder retracts into the fixed cylinder to compress the spring, after a drill bit of the bench drill body completes drilling of the brake disc, the deburring cutter is inserted into a drill hole in the brake disc under the action of the elastic force of the spring in the fixed cylinder, the spring drives the lifting block and the rotating cylinder to move upwards along the fixed cylinder, and then the brake disc is deburred. The rotating cylinder is driven to rotate through the inserting rod on the fixed cylinder, burrs on a drill hole are cleaned through the rotating deburring cutter, the efficiency of removing the burrs in the drill hole of the brake disc is improved, the cleaned burrs enter the rotating cylinder and are discharged to the outer side through the discharging base and the discharging pipe, and the situation that the generated burrs are scattered at will is avoided.

The invention relates to the technical field of agricultural machinery, and provides a single-fan positive-negative-pressure double-acting airflow stable supply device for an air-suction type seeder, the air-suction type seeder comprises an air-suction seed-metering device and a seed guide pipe, the air-suction seed-metering device is communicated with the seed guide pipe, and the airflow stable supply device comprises a fan, a negative-pressure seed filling mechanism and a positive-pressure seed conveying mechanism; the fan comprises a negative pressure air inlet and a positive pressure air outlet; one end of the negative-pressure seed filling mechanism is communicated with the negative-pressure air inlet, and the other end of the negative-pressure seed filling mechanism is communicated with an air outlet of the air-suction seed-metering device; one end of the positive-pressure seed conveying mechanism is communicated with the positive-pressure air outlet, and the other end is communicated with the seed guide pipe; the fan is used for providing air pressure for the negative-pressure seed filling mechanism and the positive-pressure seed conveying mechanism, the negative-pressure seed filling mechanism is used for filling the air-suction seed sowing device with seeds through negative pressure, and the positive-pressure seed conveying mechanism is used for conveying the seeds entering the seed guide pipe through positive pressure. The two functions of negative-pressure seed filling and positive-pressure seed conveying are achieved through the single fan, the device is simple in structure and low in cost, and the seeding accuracy and efficiency are improved.

The invention discloses a warpage marking device, and relates to the technical field of glass substrate warpage detection, the warpage marking device comprises a detection equipment main body, the middle position of the detection equipment main body is fixedly connected with a detection table, a driving pneumatic cylinder is installed above the detection table, and the output shaft end of the driving pneumatic cylinder is provided with a detector; the detector is located at the eccentric position above the substrate main body, so that detection is not limited to the central area of the plate, the surface of the substrate main body can be completely covered, more accurate surface data feedback analysis is achieved, the surface integrity of the substrate main body can be evaluated more accurately, and meanwhile the detection accuracy is improved through dynamic adjustment of the detection area in the process. Different detection positions of the detector are increased while the irradiation range of the detector is reduced, so that each part of the substrate can be subjected to uniform and sufficient detection feedback, the problem that in a traditional method, light is excessively focused on a central area and detection of an edge area is insufficient is solved, and uniform distribution and comprehensive coverage of detection light are ensured.

The invention provides an industrial palletizing robot mechanical arm, and belongs to the technical field of palletizers, the industrial palletizing robot mechanical arm comprises a palletizer main body, a palletizing clamping jaw mechanism, a negative pressure auxiliary mechanism, an overturning bearing mechanism and a mechanical arm, the mechanical arm is arranged at the front end of the palletizer main body, and the palletizing clamping jaw mechanism is arranged at the end, away from the palletizer main body, of the mechanical arm; a negative pressure auxiliary mechanism is arranged on one side of the stacking clamping jaw mechanism, and an overturning bearing mechanism is arranged in the middle of the stacking clamping jaw mechanism. According to the stacking device, the overturning bearing mechanism is started to be matched with the stacking clamping jaw mechanism, when objects are clamped and transported, the clamped objects are borne through a supporting tail plate on the rear side, overturning of the negative pressure auxiliary mechanism and the overturning bearing mechanism is completed in cooperation with a first servo motor, and then the gravity center of the stacked objects can be transferred to the surface of the supporting tail plate from the bottom; therefore, scattering of articles during transportation can be avoided.

The invention relates to the technical field of green belt trimming application, in particular to an automatic highway green belt trimming device which comprises a cross beam, a limiting assembly, a trimming assembly and a smashing assembly.The automatic highway green belt trimming device is exquisite in design, compact in size and capable of working under the condition of not occupying too much space; the cross beam serves as a main structural part, the supporting legs are vertically fixed to the bottom end of the cross beam, the advancing wheels are installed at the bottom ends of the supporting legs, and through the design, the device can move front and back on an expressway without occupying too much lane space, pruning work can be completed without arranging a roadblock, integration of a hub motor enables the advancing wheels to have the self-walking function, and the practicability is high. Therefore, the trimming device can move autonomously without additional traction or pushing force, the self-walking function greatly improves the efficiency of trimming operation, reduces the labor intensity of workers, and enables the trimming operation to be more flexible and quicker.

The invention relates to the technical field of paper product production, and discloses a paperboard cutting machine for paper product production, which comprises a machine body, a conveyor belt is arranged on the machine body, a dust removal mechanism is arranged on the machine body, and the dust removal mechanism comprises a dust collector, a hollow pipe, a rotary drum, a first motor, a first rotary rod, a first electric push rod, a clamping block, a cross, a transverse plate and a brush. Dust on the top of a paperboard can be cleaned by arranging a first motor, a first rotating rod, a first electric push rod, a cross, a transverse plate and a brush, adjustment can be conducted according to the thickness of the paperboard by arranging a second rotating rod, a rotary knob and a threaded block, the brush can make close contact with the top of the paperboard, and then the brush can clean dust more stably; and by arranging a dust collector, a hollow pipe, a rotary drum and a dust collection opening, dust on the paperboard can be absorbed, so that the situation that the focus position is inaccurate due to scattering of laser beams caused by existence of dust particles is avoided, and the precision of paperboard laser cutting is improved.

The utility model belongs to the technical field of punching and shearing machine waste collection, and particularly relates to a punching and shearing machine waste collection device which comprises a machine body, a blanking table is installed on the machine body, a guide hopper is installed on the side wall of the blanking table, rollers are fixedly arranged on a first rotating rod and a second rotating rod in a sleeved mode, and a collection box is placed below a conveying belt. The first rotating rod and the second rotating rod synchronously rotate to drive the rollers on the first rotating rod and the second rotating rod to rotate, the rollers drive the conveying belt to rotate, through operation of the machine body, generated waste falls onto the discharging table and slides onto the conveying belt along the guide hopper, the conveying belt drives the waste to move, the waste is conveyed to the collecting box, and finally the waste falls into the collecting box. Waste materials are collected by the collecting box, the punching and shearing machine operates to continuously generate the waste materials, the generated waste materials successively fall onto the conveying belt and are finally conveyed into the collecting box, continuous cleaning and transferring of the waste materials are achieved, the waste materials are prevented from being accumulated on the discharging table, and the waste material cleaning convenience is improved.