33results about How to "Guaranteed transmission effect" patented technology

The utility model relates to the technical field of rope-shaped washing machines, and discloses a water-pressing cloth guide assembly of an automatic control loose rope-shaped washing machine, which comprises a base, a frame plate fixedly connected to the top of the base, a transmission mechanism arranged on the inner side of the frame plate, and an adjusting mechanism arranged on the inner side of the transmission mechanism. The transmission mechanism comprises a cloth guiding assembly, a transmission assembly, a connecting assembly and a tensioning assembly, the cloth guiding assembly is arranged on the inner side of the frame plate, the transmission assembly is arranged on the outer side of the cloth guiding assembly, and the connecting assembly is arranged on the outer side of the transmission assembly. According to the water pressing cloth guide device assembly of the automatic control loose type rope-shaped washing machine, through the arranged adjusting mechanism, a worker shell drives a fourth transmission wheel and a second transmission wheel to move up and down reversely by starting a synchronous motor, so that the second transmission wheel can adjust the height of a second cloth guide roller downwards; when the device is used, the rope-shaped fabrics with different thicknesses can be dehydrated, and the application range of the device in use is widened.

The utility model discloses an adjusting device and three-dimensional printing equipment, which mainly applies external force to a rotating wheel assembly by arranging a force applying piece, so that the external force applied to a transmission belt by the rotating wheel assembly is within a preset range, the tensioning degree of the transmission belt is moderate, and the transmission performance is ensured. According to the main technical scheme of the utility model, the adjusting device comprises a fixing piece and a fixing piece, wherein the fixing piece is fixed with the position of a main body of the three-dimensional printing equipment; the rotating wheel assembly is used for being connected with a transmission belt; the force applying piece is connected with the fixing piece and the rotating wheel assembly, and the force applying piece is used for applying external force to the rotating wheel assembly; and the fastening piece is used for being connected with the fixing piece and the rotating wheel assembly and used for locking the relative position of the fixing piece and the rotating wheel assembly. The tensioning device is mainly used for tensioning the transmission belt.

The utility model belongs to the technical field of knitting machine synchronous yarn feeding, and particularly relates to a knitting machine synchronous yarn feeding structure which comprises a supporting frame, a rotating shaft is arranged on the vertical portion of the supporting frame, a first yarn feeding roller is fixedly connected to the outer side of the rotating shaft in a sleeved mode, and the first yarn feeding roller makes contact with the supporting frame. A guide roller is arranged on the vertical portion of the supporting frame and located on the rear side of the first yarn feeding roller, the outer side of the rotating shaft is fixedly sleeved with a first belt wheel, the vertical portion of the supporting frame is fixedly connected with a mounting frame, and a screw is mounted on the vertical portion of the mounting frame through a bearing. Through the arrangement of the servo motor, the first belt wheel, the triangular belt and other structures, the rotating shaft can be driven to rotate so as to drive the first yarn feeding roller to rotate, then yarn is synchronously conveyed, under the action of the screw rod, the sliding block and other structures, the servo motor can be driven to drive the second belt wheel to move, then the triangular belt is tensioned, and the yarn feeding roller is driven to rotate. And the transmission performance of the triangular belt is ensured.

This invention discloses a sisal fiber combing machine. Multiple conveying crossbars, rotatably connected by chain links, are driven between the frame uprights. Rotating shafts that mesh with the conveying crossbars are connected to both ends of the frame uprights. Guide blocks are fixed at both ends of the conveying crossbars. Guide tracks are provided on the frame uprights. When the conveying crossbars are driven to move along the guide tracks to the guide blocks, the comb teeth of the conveying crossbars are vertically upward. At the end of the combing conveyor on the frame uprights are a pressing roller group A, a material gathering and guiding device, and a pressing roller group B. A horizontal turntable is located directly below the pressing roller group B. An arc-shaped side plate is provided on the top surface of the horizontal turntable. A cone with its apex pointing vertically towards the axis of the horizontal turntable is also provided on one side of the horizontal turntable. From the above structure, it can be seen that the sisal fiber combing machine of this invention can effectively convey sisal fibers while effectively combing them, gathering them into sisal fiber strips, and then collecting them downwards into annular sisal fiber cylinders for turnover.

The utility model discloses a cylindrical cam mechanism which comprises a support, a cylinder is installed in the support, a spiral groove is formed in the surface of the cylinder, a linkage rod is arranged in the spiral groove, a transverse rod is fixed to the top end of the linkage rod, a liquid storage cavity is formed in the linkage rod, and a sealing cover is arranged at the upper end of the liquid storage cavity. And a flow regulating valve is arranged on the linkage rod. The self-lubricating cylindrical cam mechanism has the advantages that the self-lubricating mechanism composed of the liquid storage cavity, the flow adjusting valve and the dripping nozzle is arranged, in the using process of the cylindrical cam mechanism, the liquid storage cavity can store lubricating oil, the flow of the lubricating oil is controlled through the flow adjusting valve, and the lubricating oil is injected into the connecting position of the linkage rod and the spiral groove through the dripping nozzle; therefore, the linkage rod can be lubricated, the abrasion rate of the linkage rod is reduced, the transmission effect is guaranteed, the service life of the linkage rod is prolonged, and high use performance is achieved.

The utility model relates to the technical field of circulating water aquaculture, especially to a filter device for circulating water aquaculture convenient to clean, solve the problem that the filter screen in the filter equipment and the vertical direction exist angle in the prior art, and the filter equipment internal structure is relatively complex, needs to disassemble multiple components when cleaning, and the operation is complicated and time -consuming is longer, not only reduces the cleaning efficiency, still increased the problem of aquaculture personnel's labor intensity. A filter device for circulating water aquaculture convenient to clean, including the cylinder, the top of cylinder is fixedly connected with the top plate, and the top plate's top side is fixedly connected with hydraulic oil cylinder through bolt, and the inside of cylinder is equipped with the bearing frame. The utility model through the cooperation of hydraulic oil cylinder and drive motor, realized the cleaning function of filter device, the impurity on the inner wall of cylinder and filter plate can be cleaned completely in the process of rotation and up and down movement of brush, greatly improved the cleaning efficiency and convenience, and the connection between parts is reliable.

The utility model relates to the technical field of organic waste gas treatment, and discloses a filtering device for organic waste gas treatment, which comprises a filtering box, a filtering net, a first right-angle pipe, a second right-angle pipe, a rotating shaft, a hollow shaft, a spraying frame, a spraying head and bristles. During use, the rotating shafts can rotate under the action of external force. Under the inter-tooth meshing action of the first conical teeth and the second conical teeth, the hollow shafts can rotate, and then the nozzles and the bristles are driven to rotate. When the multiple bristles rotate, dust and sundries adhering to the surface of the filter screen can be scraped off, and preliminary cleaning is carried out. And then the water supply equipment is controlled to work, and water or cleaning agents can be conveyed into the multiple second right-angle pipes. And then the water enters a plurality of spraying frames through a plurality of hollow shafts, and finally is sprayed out through a plurality of spraying heads. And therefore, the multiple filter screens are cleaned correspondingly, deep cleaning is carried out, and the cleaning effect is improved.

The utility model discloses a kind of vibration reduction type motor fixed support, it is related to support technical field, including support main body, the inside of support main body is equipped with motor, the top of support main body is welded with side stand plate, and connection is realized between two side stand plates by two screw rods, the one end of screw rod is connected with one side stand plate by rotating component and realizes rotation, and the other end of screw rod and the thread groove reserved in the other side stand plate inside realize screw connection.The utility model rotates by turning a screw rod, belt realizes transmission so that the other screw rod rotates synchronously in the same direction, wherein the transmission of the cooperation of pulley and belt is the transmission structure that is more mature and widely used on market, which guarantees transmission effect well, when screw rod threaded connection with side stand plate rotates, position will move, so that the sliding connection between limiting groove and transverse groove and the transverse rod and limiting block set in inner ring of pulley provides the range of activity of screw rod.

The utility model discloses a chain-driven heat recovery rotating wheel, which relates to the technical field of energy recovery and comprises a frame, and a rotating wheel body is rotatably connected in the frame. The transmission mechanism comprises two mounting columns, a movable plate, a transmission wheel, a chain and a plurality of limiting blocks, a movable cavity is formed in the rack, the mounting columns are fixedly mounted in the movable cavity, the movable plate is slidably connected to the side walls of the mounting columns, a first spring is mounted at the top of the movable plate, and the transmission wheel is mounted at the top of the movable plate; the transmission wheel is in transmission connection with the rotating wheel body through a chain; the limiting block is mounted in the mounting column; according to the technical scheme, the transmission mechanism is adopted, when the chain is not loosened and lengthened, the movable plate is fixed through pulling of the limiting blocks, the first spring and the chain, and when the chain is loosened, the first spring pushes the movable plate to enable the movable plate to push a set of limiting blocks into the mounting groove through the groove; the movable plate is located between the other set of limiting blocks, and the transmission effect of the chain is guaranteed.

The application relates to the technical field of metal part machining, and discloses a metal part machining production line, which comprises two parallel side plates, a rotating shaft is symmetrically arranged between the two side plates, a conveying belt is arranged on the outer side of the two rotating shafts, two limiting plates are slidably arranged between the two side plates through a driving assembly, the driving assembly comprises a bidirectional screw rod which is rotatably arranged on the two side plates, the two ends of the bidirectional screw rod penetrate through the side plates and are threadedly connected with fixing plates, the side close to the side plate of each fixing plate is fixedly connected with a push rod, the tail end of the push rod penetrates through the side plate and is slidably connected with a fixing cylinder; the two fixing plates are driven to approach or move away from each other by rotation, the fixing plates can drive the fixing cylinder and the limiting plates to approach or move away from each other through springs, so that the metal parts of different sizes can be centrally conveyed, and the practicability of the device is improved.

The utility model relates to a transmission gear set, a transverse sealing device and a packaging machine, the transmission gear set comprises a first gear and a second gear, a first intermediate gear and a second intermediate gear are arranged between the first gear and the second gear, and the first gear, the first intermediate gear, the second intermediate gear and the second gear are sequentially meshed. The first gear and the second gear are connected with a first driving shaft and a second driving shaft respectively, the first intermediate gear and the second intermediate gear are connected with a first gear shaft and a second gear shaft respectively, and an included angle theta is formed between the axis connecting line of the first intermediate gear and the second intermediate gear and the axis connecting line of the first gear and the second gear. And the included angle theta is adjusted to eliminate the gear backlash. The transverse sealing device is simple in overall structure and convenient and fast to operate, accurate adjustment can be achieved, the transmission accuracy and transmission performance of the gear set are guaranteed, meanwhile, packaging of high packaging objects is facilitated, the occupied space of the gear set is greatly reduced, and then the occupied space of the transverse sealing device is reduced.

The invention relates to the technical field of cylinder sleeve milling, in particular to a cylinder sleeve inner side milling device which comprises a vertical milling machine, a lifting mechanism, a milling part, a milling motor and a loading seat, the lifting mechanism is fixedly arranged on the upper portion of the front end of the vertical milling machine and used for vertical adjustment, and the milling part is fixedly arranged on the front face of the lifting mechanism and used for vertical adjustment. The milling part is used for milling the inner side of the cylinder sleeve and comprises a machining part, an adjusting part, a tensioning part and a driving part, the loading seat is fixedly installed on the front face of the movable end of the lifting mechanism, and the milling motor is fixedly installed on the top of the loading seat. The milling part is integrally provided with the machining part and the adjusting part, the machining part can be adjusted according to the size of the cylinder diameter during use, the application range is wide, the flexibility is high, and the milling device can be suitable for milling the inner sides of cylinder sleeves with different cylinder diameters.

The utility model discloses a novel transmission shaft universal joint capable of preventing oil leakage, which relates to the field of transmission shaft universal joints and comprises a shaft body, a plurality of shaft necks are symmetrically arranged on the outer wall of the shaft body, sleeves are sleeved on the outer walls of the shaft necks, an oil groove is arranged in the shaft body, and oil conveying pipes communicated with the oil groove are arranged in the shaft necks. Oil absorption cotton is arranged in the sleeve, a punching block is elastically arranged in the oil conveying pipe, and a punching groove for the punching block to slide is formed in the sleeve. Redundant lubricating oil can be absorbed under the action of the oil absorption cotton, the situation of leakage caused by accumulation of the lubricating oil is prevented, the punching block is thrown out of the oil conveying pipe through the centrifugal force of the punching block when the shaft body rotates, the lubricating oil in the oil absorption cotton is extruded out to lubricate the roller pin again, the roller pin is reused, and the service life of the roller pin is prolonged. Meanwhile, when the shaft body stops moving, the oil conveying pipe is blocked by the punching block through the reset acting force of the elastic assembly, and the situation that lubricating oil flows back is effectively prevented.

The invention relates to the technical field of paddle equipment, in particular to a contra-rotating paddle operation device and an engine, and the contra-rotating paddle operation device comprises a first rotating shaft, a second rotating shaft, a first power mechanism, a second power mechanism, a first transmission mechanism and a second transmission mechanism, first blades are arranged at one end of the first rotating shaft; second blades are arranged at one end of the second rotating shaft; the output end of the first power mechanism and the output end of the second power mechanism are arranged in the radial direction of the first rotating shaft and the second rotating shaft. The first power mechanism and the second power mechanism are connected with the first rotating shaft and the second rotating shaft through the first transmission mechanism and the second transmission mechanism; a first bias assembly is arranged in the first transmission mechanism, and the input end and the output end of the first transmission mechanism are arranged in a staggered mode through the first bias assembly. The overall length of the shafting can be kept unchanged, meanwhile, the occupied space of the first power mechanism and the second power mechanism is increased, the situation that the output power is affected due to size limitation is avoided, and the power transmission effect is guaranteed.

The invention discloses a moving door mechanism and an air conditioner. The moving door mechanism comprises an air guide frame, a door body and a supporting assembly. The door body is provided with a rotating shaft, and the rotating shaft is configured to be driven by a motor to link the door body to rotate relative to the air guide frame so as to enable the door body to form an open state or a closed state; the supporting assembly comprises a first supporting structure and a second supporting structure, and the first supporting structure and the second supporting structure are sequentially arranged from inside to outside, are arranged between the air guide frame and the door body, are used for jointly supporting the door body and can synchronously move along with the door body. The technical problem that in the prior art, a door body is prone to being blocked or stuck is solved.

The utility model provides a kind of construction waste recycling and reusing scraping device, it includes main body mechanism, it includes: hydraulic cylinder, the fixed plate of being arranged at the bottom of hydraulic cylinder, the side plate of being arranged at the both sides of fixed plate, the support rod of being arranged at the bottom of side plate, the bottom plate of being arranged at the bottom of support rod, the bidirectional scraper of being arranged at the bottom of bottom plate, the mounting plate of being arranged at the bottom of fixed plate, the motor box of being arranged at one side of mounting plate, the rotating rod of being arranged at the other side of mounting plate, and the cleaning brush of being arranged at the outer wall of rotating rod;The utility model is when using, the side plate of fixed plate both sides is moved downward by hydraulic cylinder, so that the bidirectional scraper of support rod bottom of side plate bottom is scraped to the construction waste that is bonded on the surface of conveyer belt, simultaneously after scraping is completed, the cleaning brush on rotating rod is rotated to carry out cleaning to residual dust by motor box of fixed plate bottom, further guarantee the transmission efficiency of conveyer belt.

The invention discloses a putting device and clothes processing equipment. The putting device comprises a first putting unit and a second putting unit, the first clutch mechanism and the second clutch mechanism are opposite in clutch state; the driving shaft is in transmission connection with the first throwing unit and the second throwing unit through a first clutch mechanism and a second clutch mechanism respectively; the first clutch mechanism comprises a transmission wheel, a first clutch and a second clutch, the connecting rotating wheel is connected with the driving shaft and rotates along with the driving shaft, and an inner sinking blocking groove is formed in the peripheral side wall of the connecting rotating wheel; the driving shaft drives the connecting rotating wheel to rotate, the inner sinking blocking groove and the clamping jaw are matched in a limiting mode to push the transmission wheel to rotate synchronously, and the first throwing unit conducts throwing. The driving shaft drives the connecting rotating wheel to rotate reversely, the inner sinking blocking groove is disengaged from the clamping jaw, and the first releasing unit does not release. According to the invention, the driving shaft can be driven by one power source to rotate positively and negatively so as to control one of the first throwing unit and the second throwing unit to throw, the structure is simple, and the cost is reduced.

The utility model relates to the technical field of water reducing agent production, and discloses a filtering device for water reducing agent production, which comprises a cylinder, an end cover, a filter screen, an L-shaped support cylinder, a first rotating shaft, a second rotating shaft, a scraper blade, a mechanical sealing element and a gear set. In the using process, the first rotating shaft can rotate under the action of external force. The second rotating shaft can be driven to rotate through the gear set. And the scraping plate is driven to rotate, so that impurities adhered to the surface of the filter screen are scraped, and the filtering performance of the filter screen is improved. And moreover, through the design of a mechanical sealing piece, the second rotating shaft can be subjected to shaft sealing, and the water reducing agent is prevented from entering the L-shaped supporting cylinder. Therefore, the gear set located in the L-shaped supporting cylinder is protected, and the gear set is prevented from making contact with the water reducing agent. The transmission performance of the gear set is ensured, so that the cleaning work can be smoothly carried out.

The utility model relates to special equipment testing arrangement technical field, and disclose a kind of special equipment fault simulation and test platform, solve the test ability of single of existing pressure vessel vibration testing arrangement, and in actual operation, pressure vessel can face the complex effect of vibration and shaking simultaneously, only through single vibration simulation cannot more truly assess the performance and reliability of pressure vessel problem, it includes device main body, the upper of device main body is equipped with vibrating disc, the circumference of vibrating disc is fixedly installed with four sliding sleeves, the inside of sliding sleeve is all inserted with slide bar, the bottom of four slide bars is all fixedly connected with the top of device main body, and the upper portion of four slide bar surfaces is all equipped with spring;The pressure vessel testing arrangement can carry out the complex test of vibration and shaking simultaneously, to more truly assess the performance and reliability of pressure vessel, provide more accurate basis for the design, manufacture and maintenance of container.

The positioning terminal shell integrated on the safety helmet hoop comprises a shell body, a positioning terminal, a fixing cover, a transmission part and the safety helmet hoop, the shell body is connected with the fixing cover, the positioning terminal comprises a positioning device and a power supply device, the positioning terminal is located in the shell body, and the power supply device is connected with the positioning device. The fixed cover comprises a first side wall, a separation cover and a second side wall, the first side wall is arranged on the front side of the separation cover, the second side wall is arranged on the back side of the separation cover, a fixed column is arranged in the middle of the second side wall, the first side wall is embedded into the inner side of the shell, the separation cover is in close contact with the bottom of the shell, and the fixed column is arranged in the middle of the second side wall. The second side wall is connected with the safety helmet hoop, the transmission part is located in the second side wall, the safety helmet hoop comprises an adjusting seat and an annular belt, a third groove is formed in the adjusting seat, the annular belt is inserted into the adjusting seat from the two sides of the adjusting seat, and a first round hole is formed in the third groove.

The invention discloses a coupling device for cutter power transmission, and relates to the technical field of couplings, the coupling device comprises a first half coupling piece, a second half coupling piece and a quincunx elastic piece, the first half coupling piece comprises a first half part, a second half part and a plurality of first claw teeth, and the second half coupling piece comprises a third half part, a fourth half part and second claw teeth; the first half part and the second half part are fixed through bolts, and the third half part and the fourth half part are fixed through bolts. According to the coupler device for tool power transmission, when the contact face of the quincunx elastic piece is seriously abraded, temporary compensation can be conducted, and meanwhile an operator is reminded to conduct overhaul and maintenance; when the deviation amplitude of the first half connecting shaft piece and the second half connecting shaft piece is too large, an operator is reminded to carry out overhaul and maintenance; and when the bolts of the first half part and the second half part are loosened, an operator is reminded to carry out overhaul and maintenance, temporary limiting is carried out, the operation is more stable and reliable, and the use effect and service life are guaranteed.

The utility model relates to the technical field of civil engineering and building, concretely is civil engineering and building waste processing device, including processing box, the upper surface of processing box is connected with feeding hopper, feeding hopper is fixedly connected with processing box, the side surface fixed connection of processing box has drive motor, the output fixedly connected with drive rod of drive motor, the other end fixedly connected with driving gear of drive rod, driving gear is rotatably connected with processing box, the side rotatable connection of processing box close driving gear has driven gear, driven gear is engaged with driving gear, the side installation of driving gear away from drive motor has a plurality of first broken piece. The utility model, solved because of the broken civil engineering and building waste often will raise dust, lead to dust to scatter in the surface of exposed driving gear and driven gear, influence the transmission effect of both.

This technical solution belongs to the field of motor assembly equipment technology, specifically relating to a bearing press-fitting device and a stainless steel permanent magnet motor assembly equipment having the device. The device includes a base placement platform, a rotor clamping mechanism, a press-fitting head mechanism, and a press-fitting drive mechanism. The press-fitting head mechanism includes two opposing press-fitting head assemblies. Each press-fitting head assembly includes a press-fitting seat, a press-fitting head body, a guide rod, and an elastic element. The rotor clamping mechanism supports and positions the rotor assembly, and the press-fitting drive mechanism applies a driving force to the press-fitting head mechanism located at the rotor clamping mechanism. This causes the press-fitting head mechanism to press against the outer ring of the bearing and complete the bearing press-fitting. The force is applied directly to the outer ring of the bearing and is uniform, improving the assembly accuracy and press-fitting stability between the bearing and the base, and ensuring the reliability of bearing operation. The press-fitting head mechanism avoids structural interference between the press-fitting operation of the press-fitting drive mechanism and the supporting operation of the rotor clamping mechanism, ensuring the operational stability of the bearing press-fitting device.

The utility model discloses a mechanical seal for an on-line grinding machine. The mechanical seal comprises a shaft sleeve, a medium end moving ring, a medium end static ring, an atmosphere end moving ring and an atmosphere end static ring, wherein the medium end moving ring, the medium end static ring, the atmosphere end moving ring and the atmosphere end static ring are arranged on the shaft sleeve. A spindle penetrates through the shaft sleeve, one end, close to the atmosphere side, of the shaft sleeve is attached to the spindle, a driving ring is further mounted on the shaft sleeve, one end, close to the atmosphere side, of the driving ring abuts against the shaft sleeve, and a set screw connected with the spindle is arranged on the driving ring. An adjusting gap exists between the end, close to the medium side, of the shaft sleeve and the rotor, and a front end shaft sleeve is arranged in a gap between the end, close to the medium side, of the shaft sleeve and the main shaft so that the axial positioning size of the mechanical seal can be adjusted along the adjusting gap. The precision requirement of the mechanical seal on the axial positioning size of equipment can be greatly reduced, so that the use effect of the mechanical seal is effectively ensured, and the service life of the mechanical seal is prolonged.

The invention provides a wiring measurement tool for communication engineering, belongs to the technical field of communication engineering, and solves the technical problem that wiring and measurement cannot be carried out when a communication cable is wired at high altitude and on the ground at the same time at present. A wiring measuring tool for communication engineering comprises a bottom plate, a vertical rod is rotationally connected to the interior of one side of the bottom plate, and a steering wheel is fixedly connected to the bottom end of the vertical rod. According to the device, a first bevel gear and a second bevel gear are in transmission connection with the bottom end of a bottom plate, so that a worm can achieve transmission of a rotating rod, and a main gear disc is fixedly connected to the outer wall of the rotating rod, and under the action of a pulling and connecting assembly arranged on the surface of a vertical frame, the rotating rod is driven to rotate; the transverse wiring assembly and the lifting wiring assembly can be in meshed connection with the main gear disc on the two sides through the pulling and connecting assembly, the transmission effect of the transverse wiring assembly and the lifting wiring assembly is ensured, and through arrangement of a sleeve frame and a limiting bolt, the transverse wiring assembly and the lifting wiring assembly can flexibly disassemble a pulling plate.

The invention relates to the technical field of fruit and vegetable juice processing, and discloses a fruit and vegetable fermented juice raw material squeezing and separating device which comprises a base, a supporting frame is arranged on the base, a squeezing barrel is arranged on the supporting frame, a first rotating shaft penetrates through one end of the squeezing barrel, a detachable end cover is arranged at the other end of the squeezing barrel, and a connecting assembly for supporting one end of the rotating shaft is arranged in the end cover. The top face of the squeezing barrel is provided with a material injection barrel penetrating through the interior of the squeezing barrel, a first spiral blade of a blade structure is arranged on the first rotating shaft in the axial direction of the first rotating shaft, a second spiral blade connected with the first rotating shaft is arranged on the portion, corresponding to one end of the spiral blade, of the first rotating shaft, and a material ramming assembly capable of sliding up and down is arranged in the material injection barrel. A linkage assembly is arranged between one end of the rotating shaft and the material ramming assembly, and an auxiliary fixing assembly is arranged on the base. According to the device, the material smashing assembly can be driven to act while squeezing is conducted, the base can be stably installed on a table top for use, and therefore the working efficiency of the device is improved.

The invention relates to the technical field of air pre-heater air inlet dust prevention, in particular to an air pre-heater air inlet dust prevention device and a using method thereof, and the air pre-heater air inlet dust prevention device comprises an air pre-heater and a dust prevention assembly. The dustproof assembly comprises a smoke pipe, a dustproof piece and a self-cleaning piece. The filter screen and the scraper are arranged in the smoke pipe, so that dust is effectively intercepted and automatically cleaned, the blocking risk of the air inlet of the air pre-heater is remarkably reduced, and the smoke circulation efficiency is improved; due to the design of the spiral blade, the smoke can drive the rotating shaft to rotate in the flowing process, then the filter screen is automatically cleaned, and the manual maintenance requirement is reduced; the intermittent knocking function of the vibration hammer effectively prevents dust accumulation of the spiral blade, and the transmission effect and long-term stability of the blade are guaranteed; the whole structure is simple, installation is convenient, operation is reliable, the operation cost and the failure rate of the air pre-heater are greatly reduced, the adaptability of the air pre-heater in the severe environment is improved, and the service life of the air pre-heater in the severe environment is prolonged.

The utility model discloses a flower seedling raising box, and relates to the technical field of seedling raising. The seedling raising box comprises a seedling raising box body, a motor cavity is formed in the right side of the front side in the seedling raising box body, a rotating cavity is formed in the upper side of the inner wall of the motor cavity, lifting grooves are formed in the left and right sides of the front side and the rear side of the top face of the seedling raising box body, and a motor is fixedly connected to the lower side of the inner wall of the motor cavity. By arranging the driving structure, the lifting structure and the fixing structure, the shading effect of the device is guaranteed, the shading effect can be adjusted by lifting and replacing shading cloth, the problem that different shading effects cannot be provided according to different flowers is solved, the practicability of the device is improved, and the device is worthy of popularization. And the problem that the quality of the cultivated flower seedlings is reduced due to the fact that traditional equipment cannot shade the needed flower seedlings is solved, the flower seedling cultivation effect of the equipment is improved, and the use effect of the equipment is greatly improved.

The utility model discloses a mold shell flaky raw material cutting mechanism which comprises an installation component, supporting rotating shafts are arranged on the front side and the rear side of the installation component in a rotating mode, transmission rollers are arranged on the supporting rotating shafts, and a conveying belt used for supporting flaky raw materials is arranged between the two transmission rollers. A driving motor used for driving the supporting rotating shaft to rotate is arranged on the mounting component, a supporting part used for supporting the conveying belt is arranged in the middle of the mounting component, first moving modules are arranged on the left side and the right side of the supporting part, sliding seats are arranged on the first moving modules, and second moving modules are arranged on the sliding seats; a cutter is arranged on the second moving module, a pressing roller is arranged at the feeding end of the mounting component, a feeding port is formed between the pressing roller and the conveying belt, a positioning frame is arranged at the top of the mounting component, and a telescopic raw material pressing piece is arranged on the positioning frame. The cutting device has the advantages of being high in production efficiency, good in cutting effect and convenient to use.

The present invention relates to the technical field of glass production and processing, and discloses a paper supporting mechanism and a paper laying machine. The paper supporting mechanism includes a paper supporting rod, a swinging assembly and a driving assembly. The outer periphery of the paper supporting rod is connected with a rocker arm; the swinging assembly includes a support seat and a rocker arm sleeve hingedly arranged on the support seat in a horizontal direction, and the end of the rocker arm away from the paper supporting rod is inserted into the rocker arm sleeve and slidably cooperates with the rocker arm sleeve; the driving assembly is used to drive the rocker arm sleeve to swing around the hinged position between the rocker arm sleeve and the support seat, so that the end of the rocker arm sleeve close to the paper supporting rod can tilt upward. The paper laying machine includes the above-mentioned paper supporting mechanism. The paper supporting mechanism provided by the present invention does not require the aid of external equipment when replacing the paper roller, thereby reducing equipment costs and increasing the convenience of replacement. The spacer paper is supported by the gravity of the paper supporting rod and the rocker arm. When the driving force of the spacer paper is too large, the spacer paper can push the paper supporting rod to move, thereby avoiding the phenomenon of spacer paper breakage, saving material costs, and ensuring work efficiency.