41results about How to "Reduce jamming" patented technology

The invention relates to the technical field of plastic product processing, and discloses a plastic injection molding machine for plastic product processing and an injection molding method thereof.The plastic injection molding machine comprises a base, an air pressure box is fixedly connected to the side wall of the base, an electric telescopic rod is fixedly connected to the inner wall of the air pressure box, and the electric telescopic rod generates extension force to force a first mold to make contact with a second mold; at the moment, an electric telescopic rod generates contraction force to drive a piston block to move towards the base along the inner wall of an air pressure box, internal air enters a slope pipe through an exhaust groove, along with the first blocking block, the first blocking block drives a fixing block to synchronously move outwards through a first sliding rod, and the fixing block drives one end of a first prying rod to tilt upwards; the rotating blocking block is driven to rotate synchronously with the connecting point as the center, a gap is formed between the rotating blocking block and the air outlet disc, internal air is discharged outwards through the gap between the rotating blocking block and the air outlet disc, a traditional push-out rod is removed through the application of the components, and the outer wall of the material is not prone to deformation or even damage.

The invention relates to the technical field of putty powder production and crushing, and discloses impact crushing equipment based on putty powder production, the impact crushing equipment comprises a crusher, the crusher comprises a main frame, a fixed jaw plate, an outer frame and a movable jaw plate, a crushing cavity is formed between the fixed jaw plate and the movable jaw plate, the main frame is also provided with a driving assembly and a controller, the driving assembly acts on the movable jaw plate, and the controller is connected with the fixed jaw plate. The movable jaw plate is driven to move away from or close to the fixed jaw plate in a reciprocating mode, and hammering mechanisms are symmetrically arranged on the front position and the rear position of the main machine frame. According to the impact crushing equipment based on putty powder production, the hammering mechanism and the control mechanism are arranged, impact force applied by a hammer head is utilized, marble blocks can be further crushed, the clamped marble blocks are loosened, and therefore the clamping and blocking phenomenon caused by the fact that the marble blocks are large in size or irregular in shape can be eliminated; and moreover, through vertical reciprocating hammering of the hammer head, the blocking condition can be quickly handled, so that the manual handling time is further shortened.

The invention belongs to the technical field of battery pole piece recovery, and discloses a sodium ion battery pole piece dry recovery device which comprises a treatment box and a crushing roller, and a fixed guide screening part located below the crushing roller is fixedly arranged in the treatment box. Large-size materials are pushed into the material guiding assembly in a concentrated mode after screening, pressure air is guided into the material guiding assembly in cooperation with the air supply assembly, the composite screening assembly and the ventilation reversing assembly, and the materials are conveyed to the material guiding assembly through the power effect of the pressure air. Screened large-volume materials are transferred to the top of a crushing roller along a pipeline in cooperation with pushing of pressure air for secondary screening, incomplete primary screening is avoided, the screened materials are subjected to simple and rapid secondary screening treatment, the actually screened large-volume materials are automatically separated and stacked and rapidly guided to the crushing roller, and the crushing efficiency is improved. And the crushing quality and efficiency in the dry recovery process of the sodium-ion battery are greatly improved, and the practical effect is good.

The invention discloses an anti-blocking metal bottom cover stamping forming machine, and relates to the technical field of stamping forming machines, the anti-blocking metal bottom cover stamping forming machine comprises a rack, a stamping device is installed at the top of the rack, an anti-blocking punch is installed at the output end of the stamping device, and the anti-blocking punch is used for being driven by the stamping device to stamp a metal plate to form a metal bottom cover. And a scraper is mounted at the top of the rack. According to the anti-blocking metal bottom cover punch forming machine, plate raw materials of a metal bottom cover are supported and limited through the material scraping device, a plate is punched through cooperation of the punching device and the anti-blocking punch, the plate is pre-positioned through arrangement of the anti-blocking punch and the material scraping device, and punch forming operation is completed step by step; the metal bottom cover can be rapidly formed, the formed metal bottom cover is naturally demolded, the blocking risk is reduced, the discharging of the metal bottom cover is assisted through the arrangement of the discharger, and therefore the utilization efficiency of the stamping forming machine is further improved.

This invention discloses a core retrieval or recovery tool for drilling, relating to the field of drilling engineering technology. The internal drill string assembly is suspended within the central channel of the external drill string assembly via a centralizer. The lower end of the internal assembly is a retaining spring assembly, and the lower end of the external assembly comprises the drill bit and multiple sliding blocks. One end of each sliding block extends into one end of the drill bit and is suspended by an elastic element. One end of the retaining spring assembly passes through the drill bit and extends between the sliding blocks, with the outer wall of the retaining spring assembly engaging with the inner wall of each sliding block via a bevel. Drilling fluid is introduced into the internal drill string assembly, causing it to move downwards relative to the external assembly. The downward movement of the retaining spring assembly pushes the sliding blocks outwards away from the drill bit's centerline. When the internal drill string assembly resets, the elastic element drives the sliding blocks back towards the drill bit's centerline. This invention improves drill string throughput and prevents the loss of incomplete or fragmented core samples at the drill bit, thereby increasing the core retrieval rate or core recovery rate.

The utility model discloses a discharging mechanism for a vending machine. The discharging mechanism comprises a material guiding assembly, a positioning assembly and a material pushing assembly. The material guiding assembly comprises a feeding port, a material guiding slope and a correcting plate. The positioning assembly comprises a material placing seat, a butt clamping plate and a telescopic sliding rod; the pushing assembly comprises a vending machine discharging baffle and a vending machine body. According to the discharging mechanism, goods can be accurately positioned through the design of the positioning assembly, when the goods are automatically pushed out, the stability of the goods is guaranteed, and the discharging accuracy is improved; according to the material pushing assembly, a driving shaft and a synchronous shaft are connected, and through the design of mechanical transmission structures such as connection of the driving shaft and the synchronous shaft, synchronous belt transmission and meshing of a transmission gear and a transmission rack plate, the automatic material pushing function and the discharging baffle reset function are achieved, and the discharging efficiency and controllability are improved; and through the correcting plate, the buffering cushion, the steel balls and other structures, accurate material guiding is achieved, cargo blockage is effectively avoided, and the jamming condition is reduced.

This invention relates to the field of hydrogeology, specifically to a groundwater sampling device for hydrogeology. The device comprises multiple vertically arranged splicing rods, each with a threaded hole at its top and a screw head fixedly connected to its bottom. The screw head engages with the adjacent threaded hole. A circular hole is formed on the top surface of a sleeve plate, which slidably engages with the outer wall of the splicing rod. A motor box is located on one side of the sleeve plate. In this invention, the splicing rods are sequentially spliced ​​and inserted into a well. A welded metal bracket secures the splicing rods to the wellhead. The sleeve plate is lowered to the aquifer using an automatic winch. An electric push rod moves the sampling mechanism, allowing it to drill into the aquifer through the well pipe's filter holes. The sampling mechanism then samples the water flow within the aquifer, improving the accuracy of sampling a single aquifer. After sampling, a filling mechanism can backfill the aquifer with soil, facilitating sampling operations for users.

The utility model discloses a kind of steel sand recycling screening devices of shot blasting machine, it is related to shot blasting machine technical field, including selection device main body, the upper surface of screening device main body is provided with feed pipe, and the lower surface of feed pipe is provided with support frame, the upper surface of support frame is provided with vibration device, and the both sides surface of support frame is provided with elastic restorer, and the front surface of support frame is provided with discharge plate.The steel sand recycling screening device of shot blasting machine, compared with the shot blasting screening recycling device of existing ordinary shot blasting machine, by the setting of double layer screen mesh hole plate, steel sand can be graded and screened by the setting of size hole, improve screening speed, reduce the frequency of steel sand jam in screen mesh hole plate simultaneously;By the setting of connecting plate one, double layer screen mesh hole plate can be extracted between to carry out quick update maintenance, to improve the maintenance speed of screen mesh hole plate, improve the working efficiency of screening device.

The utility model discloses an axial-flow type check valve for high-pressure hydrogenation, which comprises a valve body, and a valve clack, a guide rod, a guide sleeve, a flow guide cover and a spring which are arranged in the valve body, and the valve clack, the guide rod, the guide sleeve and the flow guide cover are all coaxial with the axis of the valve body; guide rods are arranged in front of and behind the valve clack, the guide rod at the front end is matched with the guide sleeve at the inlet end, and the guide rod at the rear end is matched with the guide sleeve in the flow guide cover, so that a bidirectional supporting structure of the valve clack is formed, and scrapers are arranged at the two ends of the front guide sleeve and the rear guide sleeve which are arranged at the inlet and outlet ends of the valve and used for supporting the valve clack. The sealing surface of the valve body and the sealing surface on the valve clack form a main sealing pair for sealing the valve; a flow guide cover is installed on the outlet side of the valve body, a circle of notches are formed in the end face of the flow guide cover, a plurality of groove holes are formed in the flow guide cover body, and a flow guide hole is formed in the tail. According to the valve, jamming caused by the coking risk is reduced, and economic losses caused by valve failure, device shutdown and the like are avoided.

The breathing machine comprises a main machine and a humidifying tank, the main machine is provided with an inserting base, the humidifying tank is provided with an inserting section, the inserting section can be in inserting fit with the inserting base in the first direction and can be separated from the inserting base in the second direction opposite to the first direction, and the inserting section is provided with an air outlet adapter pipe; the bayonet socket is provided with a receding groove extending in the first direction, so that when the humidifying tank is matched with the main machine in an inserted mode, the air outlet adapter pipe can enter the receding groove in the first direction. In the process of assembling and disassembling the humidifying tank, the protruding air outlet adapter tube does not need to be disassembled, and the humidifying tank inserted with the air outlet adapter tube can be integrally inserted into the bayonet socket, so that the assembling and disassembling steps of the humidifying tank are simplified, and the disassembling step of the air outlet adapter tube in the process of assembling and disassembling the humidifying tank is omitted. In addition, the risk that internal water leaks from the air outlet due to shaking of the humidifying tank is avoided, the cleaning burden of a user is reduced, and the use experience is improved.

The invention discloses a digging device for landscaping, and relates to the technical field of landscaping, the digging device comprises a telescopic column, a screw rod, a rotating rod, a scattering column, a sliding plate, a straight plate, a push plate, a driving lever, a sliding plate A, a triangular plate and a square plate, the fixed end of the telescopic column is fixedly mounted at the bottom of the sliding plate A, and one end of the driving lever is fixedly mounted at the free end of the telescopic column; the fixed end of the telescopic device is fixedly installed at the bottom of the sliding plate A, one end of the screw rod is rotatably installed at the bottom of the telescopic device, a spiral groove is formed in the circumferential surface of the screw rod, when the screw rod rotates, a rotating rod is driven to move, when the rotating rod moves, a scattering column is driven to move, and soil in the digging claw can be scattered; meanwhile, internal weeds can be smashed, the influence on the growth of subsequent plants is prevented, and meanwhile, the situation that the seeds cannot be buried by blocky soil can be prevented.

The invention discloses an efficient layered undisturbed soil collecting device which comprises a drill bit, a connecting rod and a main body part, and the main body part comprises a motor, a mode switching switch, a power switch, a main handle and an auxiliary handle. The drill bit adopts a modular design, besides a hollow sleeve drill bit, a drill bit in which a cutting ring can be placed is additionally arranged, and the drill bit is used for measuring indexes such as soil bulk density and the like and ensuring that a soil sample is accurately and conveniently obtained. The connecting rod is provided with scale marks, and the length can be adjusted according to needs to adapt to different sampling depths. The motor has the functions of forward rotation, reverse rotation and percussion drilling, and a proper operation mode is selected through the mode change-over switch. The auxiliary handle can be adjusted to a position suitable for operation so as to increase stability and safety. By means of the efficient sampling technology, undisturbed soil samples of different depths can be accurately obtained under various soil conditions, and the soil sampler is simple in overall structure, wide in application range, easy and convenient to operate and suitable for soil sampling work in the fields of agricultural research, environment monitoring, geological exploration, constructional engineering and the like.

The utility model belongs to the field of sewage purification, and particularly relates to sewage purification equipment which comprises an equipment body, a motor is fixedly connected to the bottom of the equipment body; the output end of the motor is fixedly connected with a rotating shaft; a plurality of stirring rods are fixedly connected to the middle part of the rotating shaft; the end part of the rotating shaft is fixedly connected with a sector gear; a plurality of telescopic rods are fixedly connected to the middle part of the inner side wall of the equipment body; sliding plates are fixedly connected to the end parts of the adjacent telescopic rods; a fixing groove is formed in the middle of the sliding plate; gear teeth are symmetrically and fixedly connected into the fixing groove. A plurality of fixing holes are formed in the middle of the sliding plate; after a motor is started, a rotating shaft is communicated with a sector gear to rotate, a sliding plate enables bristles to reciprocate under the meshing action of the sector gear and gear teeth and dredges the interior of a filter pad, dredging and cleaning of the filter pad by the equipment are achieved, residual impurities in the filter pad are reduced, and the service life of the filter pad is prolonged; the sewage filtering effect of the equipment is improved.

The utility model discloses a kind of dunnage paper particle vibrating screen devices, belong to vibrating screen technical field, the device includes support, damping spring, sieve box, vibrating motor and cover body, cover body is equipped with feed inlet, sieve box is equipped with discharge port group, sieve plate is equipped in sieve box, support is connected with sieve plate cleaning device, sieve plate cleaning device includes first drive assembly, screw rod, sliding block, working rod and brush stick, screw rod extends along sieve box length direction, sieve box is on through slot, brush stick is located in sieve box and is adhered to sieve plate.The utility model drives sliding block left and right by screw rod, sliding block of sieve box two sides moves synchronously, reduce the jam of sliding block, improve cleaning efficiency;Rotatable brush roll is used, and rotating brush roll is good to sieve plate cleaning effect when moving;Feed inlet is provided with magnetic stand, and iron filings in paper particle can be removed;Sieve box is provided with height limiting plate, too high paper particle pile can be blocked, and paper particle can also be prevented from being extruded.

The application discloses a steam ejector capable of automatically adjusting needle sticking, and belongs to the field of thermal power generation. The steam ejector capable of automatically adjusting needle sticking comprises a needle actuator, a needle shaft connected with the needle actuator, a needle shaft sleeve sleeved on the needle shaft, and a shell, wherein the needle shaft and the needle shaft sleeve are located in the shell, the needle shaft sleeve is surrounded by a plurality of arc-shaped plates and is annular, and each arc-shaped plate is provided with a driving assembly capable of driving the arc-shaped plate to move away from the needle shaft on the outer side wall of the arc-shaped plate. The steam ejector capable of automatically adjusting needle sticking can adjust the gap between the inner wall of the needle shaft sleeve and the needle shaft in real time according to the sticking condition.

The invention belongs to an anti-rotation plate device structure capable of preventing a valve rod from rotating and easy to mount and dismount in multiple directions, and particularly relates to an anti-rotation plate device easy to mount and dismount in multiple directions. The anti-rotation valve comprises two anti-rotation plates arranged around a valve rod, the two anti-rotation plates are of the same structure and are arranged in a mirror image mode, two rotating blocks capable of being flexibly disassembled and assembled in multiple directions are arranged between the anti-rotation plates, disassembling and assembling compensation gaps are formed between the rotating blocks and the anti-rotation plates, the rotating blocks and the anti-rotation plates are connected and installed through bolts and nuts, and arc-shaped supports are arranged outside the anti-rotation plates. A bearing is arranged between the support and the anti-rotation plate, friction between the anti-rotation plate device and the support is reduced, and the anti-rotation plate is provided with protrusions penetrating through the support and the bearing. The tool has the remarkable effects that the disassembly and assembly efficiency is greatly improved, and jamming caused by disassembly and assembly errors is reduced. Under the condition that the structure and the size of the valve part are not changed, the advantages of efficient installation, simple and convenient installation, flexible installation and the like are achieved. The situation that due to the space problem, the valve space design is enlarged, and metal resources are wasted is avoided.

The utility model belongs to the technical field of metal machining, and particularly relates to a steel plate cutting device which comprises a machining table shell. A bearing table is fixedly connected to the middle of the machining table shell. A plurality of through holes are formed in the middle of the bearing table; a connecting column is installed in the machining table shell. The top of the connecting column is fixedly connected with a supporting frame. A plurality of top columns are fixedly connected to the top of the supporting frame; the multiple jacking columns are slidably connected to the middles of the multiple through holes. The top of the top column is rotationally connected with a ball. A clamping groove is formed in the side wall of the connecting column; a pair of supporting rods is fixedly connected to the bottom of the inner side of the machining table shell. By means of the structure, the steel plate can be supported when being cut, the situation that the cutting precision is reduced due to the fact that the middle of the steel plate is bent downwards is reduced, when the position of the steel plate needs to be adjusted, the through holes are jacked up through the balls, friction force borne by the steel plate is reduced, and therefore the position of the steel plate can be adjusted conveniently.

The utility model belongs to the technical field of window cleaning machine equipment, and particularly relates to a rope guide device for a rope winding disc of a climbing type suspended working platform, which comprises the rope winding disc, a positioning component is mounted in the middle of the rope winding disc, a support plate is fixed on the rope winding disc through the positioning component, the support plate is arranged in an inclined plane relative to the horizontal plane, and the support plate is fixed on the rope winding disc through the positioning component. The supporting plate is arranged in the inclined plane relative to the horizontal plane, the inclined plane solves the problem of single-side rope winding caused by eccentricity of the steel wire rope entering the rope winding disc, the design of the inclined plane enables the steel wire rope to enter the rope winding disc more effectively in the rope guiding process, jamming and friction of the rope are reduced, and therefore the lifting efficiency and the running speed of a suspended working platform are improved. And the problems of loosening, tangling or crossing of the steel wire rope can be avoided, the rope guiding reliability and safety are improved, the steel wire rope can be smoothly guided into the rope collecting disc through the inclined-plane rope guiding, and friction and abrasion between the rope and other components in the rope guiding process are reduced.

The utility model relates to an embedded scraper transporter which comprises a driving chain and a plurality of embedded scrapers, the embedded scrapers are detachably installed on the driving chain, and the embedded scrapers are arranged at intervals. A plurality of protection plates are installed on the embedded scraper plates, the protection plates are arranged on the two sides of the whole section of the driving chain, and the plate faces of the corresponding protection plates on every two adjacent embedded scraper plates are attached. The problem that the embedded scraper transporter is blocked can be solved conveniently.

The utility model belongs to the field of cable winding, and particularly relates to a cable drum mistaken winding prevention device which comprises a mounting plate. The top of the mounting plate is fixedly connected with a pair of supporting plates; a motor is fixedly connected to the side wall of the supporting plate. A reciprocating lead screw is rotationally connected between the pair of supporting plates. The output end of the motor is fixedly connected with the end part of the reciprocating screw rod; the middle part of the reciprocating screw rod is in threaded connection with a movable seat assembly; a guide ring is fixedly connected to the top of the movable seat assembly; the middle part of the guide ring is fixedly connected with a plurality of limiting rings; the middle part of the guide ring is rotationally connected with a plurality of rotating rings; a pair of through grooves is formed in the side wall of the supporting plate; a pair of fixing plates is fixedly connected to the side, away from the movable seat assembly, of the supporting plate; the end part of the fixed plate is rotationally connected with a pin roller; by means of the structure, the cable can be evenly wound on the winding drum, the situation that the cable is wound by mistake is reduced, and meanwhile abrasion to the surface of the cable is reduced.

The utility model belongs to the field of sludge chemical conditioning, and particularly relates to a sludge chemical conditioning multi-stage mixing process device which comprises a processing cylinder, and the top of the processing cylinder is fixedly connected with a top cover; the top of the top cover is fixedly connected with a feeding port; a pair of cylinders is fixedly connected to the side wall of the feeding opening; a screen is arranged in the middle of the cylinder; the screen is rotationally connected in the cylinder; a first motor is fixedly connected to the side wall of the feeding opening; the output end of the first motor is fixedly connected with a supporting column. The end part of the supporting column is fixedly connected with a cleaning pendulum bob; the cleaning pendulum bob is rotationally connected with the supporting column; the side wall of the processing cylinder is fixedly connected with a pair of medicament feeding openings; impurities and the like on the sludge can be filtered by additionally arranging the screen, the subsequent sludge can be better mixed in the processing cylinder conveniently, meanwhile, the condition that the sludge is jammed at the top of the screen can be reduced by additionally arranging the cleaning pendulum bob, the sludge can enter the processing cylinder more quickly, and subsequent processing and mixing treatment of the sludge is facilitated.

The utility model discloses a kind of wire harness lead-through conduit's guiding device, belong to aviation wire harness assembly technical field.The device includes tow ball, guide line, wire harness end protector and full thread stop pin;Guide line one end connects tow ball, the other end connects wire harness end protector;Wire harness end protector is equipped with the mounting hole for inserting wire harness, and wire harness is fixed by full thread stop pin.The utility model passes through the gravity of tow ball and guides wire harness to pass through curved conduit, wire harness end protector prevents wire harness connector to scratch conduit inner wall, effectively solve the problem that aircraft finished product wire harness is easy to jam when leading through conduit, scratch inner wall, improve threading efficiency, reduce short-circuit risk.The device can be adapted to different specifications of conduit, with simple structure, convenient operation, strong practicality and the like characteristics.

The tablet counting machine for medicine production comprises a machine body, a panel, a top tray and a rotating bin, the panel is installed on the side face of the machine body, the top of the machine body is fixedly connected with the top tray, the top tray is obliquely arranged, the output end of the machine body is fixedly connected with the rotating bin, the bottom face of the rotating bin is movably connected with the top face of the top tray, and the rotating bin is fixedly connected with the panel. The rotating bin is of a top opening structure. The tablet counting device has the advantages that finished tablets are added into the rotating bin, the rotating bin rotates at a low speed, the tablets enter the soft funnels when the leaking holes are aligned with the soft funnels of the top tray, the soft funnels are arranged at a plurality of point positions of the top tray, at least two point positions are arranged, so that the tablets are discharged and counted at multiple points, the tablets are gathered at one point after being counted, and the tablet counting efficiency is improved. The tablet counting efficiency is improved, the tablet counting pressure of a single point position is reduced, the tablet counting machine can flexibly meet the tablet counting requirements of tablets of different specifications and numbers due to the multi-point-position design, and the universality and adaptability of the equipment are improved.

The utility model discloses a high-mixing and high-efficiency injection molding screw rod and an injection molding machine. The injection molding screw rod comprises a mounting section, a blanking section, a separation section and a mixing section which are sequentially arranged in the conveying direction, the discharging section comprises a transition section and a conveying section, the discharging section is of a single-thread structure, and the thread pitch of the discharging section is kept unchanged; the bottom diameter of the transition section is gradually reduced, and the bottom diameter of the conveying section is kept unchanged. According to the high-mixing and high-efficiency injection molding screw provided by the utility model, the transition section is gradually reduced along the conveying direction, so that larger stress concentration caused by sudden change of the shaft diameter at the intersection of the mounting section and the blanking section is avoided, the risk that the position is twisted off is greatly reduced, and the anti-fatigue characteristic and the reliability of the screw are improved. Meanwhile, due to the existence of the transition section, the depth of the discharging groove can be properly increased, and the conveying capacity of raw materials of the discharging section is improved.

The present invention relates to the technical field of toy processing equipment, and in particular to a remote control car wheel assembly device and method based on multiple sets of tire conveying. The device comprises a frame and a barrel arranged on the frame for containing wheels, wherein the inner wall of the barrel is provided with a guide member; four material holes are arranged at the bottom of the barrel; a pressing mechanism is arranged above the barrel; each material hole is provided with a lifting mechanism, and the lifting mechanism comprises a positioning assembly; two elastic plates are arranged on the positioning assembly, and through the mutual cooperation of the pressing mechanism and the lifting mechanism, the wheels only need to be pressed down during assembly to complete the simultaneous assembly of four wheels. Compared with the prior art in which the wheels are loaded one by one, the method reduces the steps in the step of pressing down by moving a clamping hand, thereby improving the assembly efficiency.

The invention discloses an insect trapping and killing device and method for landscaping, and relates to the technical field of garden deinsectization. The insect trapping and killing device for landscaping comprises a top cover module, a killing module and a cleaning module, the killing module comprises a second shell and a trapping light source; the trapping light source is arranged in an inner cavity of the second shell and is connected with the first shell; a first conductive wire and a second conductive wire are arranged on the periphery of the outer side wall of the second shell; the cleaning module comprises an adaptive rod arranged on the outer side wall of the second shell. The insect trapping device is simple in structure and reliable in function, the killing module can trap and kill insects, and when the adaptive rod rotates, the bristles on the adaptive rod can sweep off insect corpses adhering to the killing module, so that the problem that the insect corpses shield trapping light, the first conductive wire and the second conductive wire is avoided, and the insect trapping device keeps a good trapping and killing effect.

The utility model relates to a waste guiding device capable of sampling inspection and a strip steel production line, the guiding device comprises a material passing platform I, a plate turning mechanism I, a plate turning mechanism II, a baffle bracket and a sampling inspection mechanism, and the material passing platform I is obliquely and fixedly arranged; the first plate turnover mechanism and the second plate turnover mechanism are installed below the first material passing platform, the second plate turnover mechanism is located below the first plate turnover mechanism, the first plate turnover mechanism and the second plate turnover mechanism can be turned over up and down and positioned, and the first plate turnover mechanism can be turned over till the discharging end of the first plate turnover mechanism is located above the baffle support. And the sampling inspection mechanism is distributed below the second turning plate mechanism. According to the utility model, two different working states of the two turning plate mechanisms can be freely combined, and automation of waste collection and sampling spot check processes is realized through hydraulic control; meanwhile, the strip steel passes through the surface of the idle wheel, the friction resistance is small, smooth passing can be achieved, the problems of jamming and blocking are remarkably reduced, the working efficiency is improved, and the labor cost is saved.

The utility model relates to the technical field of thermal mechanical equipment in the electric power industry, and discloses a coal mill air duct air door shaft end sealing structure which comprises a shaft end, a sealing structure is arranged outside the shaft end, the sealing structure comprises a bottom cover, the bottom cover is externally arranged on the shaft end in a sleeving mode, a lower sealing cavity is installed on the bottom cover in a fastening mode through a bolt, and the lower sealing cavity is provided with an upper sealing cavity. And the lower sealing cavity is fixedly provided with an upper sealing cavity through a bolt. According to the utility model, the shaft end sealing material is externally arranged; the first layer of filler adopts a ceramic fiber sealing ring which is high in strength, good in impact resistance and high-temperature-resistant; the second layer is a floating copper sleeve; the third layer is a sealed cooling device (matched with a sealed hose); the fourth layer adopts a sulfonated graphite metal fiber sealing ring; and the fifth layer adopts an elastic composite self-lubricating solid sealing ring, and the sealing ring has excellent sealing, lubricating and rebound resilience, so that the sealing effect is achieved, and the effects of reducing the jamming condition of the air door and reducing the sealing leakage of the air door are achieved.

The present invention relates to the technical field of condenser tubes, and discloses a lightweight and efficient screw evaporator, comprising a base, a condenser tube and a screw. The base is arranged in an ice maker, and the base and the screw are connected by a shaft seat. The screw is vertically arranged on the base, the condenser tube and the screw are coaxially arranged, and the screw is inside the condenser tube. A knife cover is arranged on the top of the condenser tube, and a water inlet is arranged on the bottom of the outer side of the condenser tube. The outer edge of the screw thread contacts the inner wall of the condenser tube. A condensation cavity is arranged on the outer side of the condenser tube, and the condensation cavity is an annular cavity as a whole, and at least three annular heat-conducting rings are arranged inside. A refrigerant inlet and a refrigerant outlet are arranged on the outer side of the screw, and the refrigerant inlet is arranged above the refrigerant outlet. A screw capsule is arranged at the root of the screw thread, and the interior of the screw capsule is filled with easily condensable liquid. A condenser tube airbag is arranged at the bottom of the condenser tube, and the condenser tube airbag is filled with volatile liquid.