18results about How to "Reduce blowout" patented technology

The utility model relates to the technical field of sanding machine equipment, and discloses a sanding machine with a guiding and feeding function, which comprises a support frame, a first conveying belt is arranged on the inner side of the support frame, and the top of the support frame is fixedly connected with a sanding machine body. Under the action of the lead screw, the connecting sleeve, the first control plate and the second control plate, the adjusting plate drives the baffle to ascend and descend, conveying and feeding are facilitated, meanwhile, the feeding port and the discharging port of the sanding machine body are shielded during polishing, and the polishing effect is improved. Dust collection operation is carried out under cooperation of a first dust collection pipe, a second dust collection pipe, a fan and the like, dust, impurities and the like which are blown out to the outside are effectively reduced, centering adjustment is conveniently carried out on materials on the first conveying belt under the action of a vertical plate, a limiting plate, a threaded rod and the like, frequent manual adjustment is not needed, guiding feeding is promoted, operation is convenient and labor-saving, and the production efficiency is improved. And meanwhile, material deviation is reduced, and machining precision is ensured.

The utility model is suitable for the technical field of anti-collision piles, and provides a truck anti-collision pile on a mine downhill road. Pile collision is prevented; the steering structure is arranged on the front side of the anti-collision pile and converts impact into rotating power; the speed reduction structure is arranged on the rear side of the top of the anti-collision pile and movably connected with the steering structure in a clamped mode to reduce the rotating speed. And the multi-stage reduction structure is arranged at the bottom of the anti-collision pile. Compared with the prior art, the steering device has the advantages that when the steering device is used, generated impact is converted into rotating kinetic energy through the steering structure, so that the kinetic energy generated by the impact is reduced, meanwhile, the impact generated by a truck is weakened in a grading mode through the multi-stage reduction structure, the impact is converted into opposite force, and the truck is pressed. Therefore, the forward power of the truck is reduced, the rushing-out of the truck is reduced, the truck is prevented from rushing out of a downhill road, and the damage to the truck and personnel is reduced.

The utility model belongs to the field of screening devices, and particularly relates to a raw material screening device which comprises a rack. A screen frame is arranged on the rack; a screen plate is fixedly connected to the inner side wall of the screen frame; a material guide plate is fixedly connected to the rack; the material guide plate is located at the bottom of the screen frame. A first rubber sleeve is fixedly connected between the material guide plate and the screen frame; a feeding hopper is arranged at the top of the rack; a second rubber sleeve is fixedly connected between the bottom of the feeding hopper and the screen frame so as to complete screening of raw materials, a material guiding plate is used for bearing screened raw materials, large-particle raw materials are located at the top of a screen plate, the top and the bottom of the screen frame are sealed through the first rubber sleeve and the second rubber sleeve, and therefore the number of the large-particle raw materials in the screening process can be reduced. Therefore, the situation that in the screening process, workers inhale powdery materials, and the health of the workers is affected is reduced.

The utility model discloses a waste chip cleaning device for acrylic plate numerical control machining, and relates to the technical field of acrylic plate machining, the waste chip cleaning device comprises a bottom plate, a frame is fixedly arranged at the upper end of the bottom plate, a first motor is arranged at one end of the frame, the output end of the first motor penetrates through the frame and is fixedly connected with a lead screw, and the lead screw penetrates through the frame. A supporting plate is arranged in the frame, moving blocks are fixedly arranged on the two sides of the upper end of the supporting plate, the lead screw is connected with one moving block in a penetrating mode, and the lead screw is rotationally connected with the inner walls of the two sides of the frame. According to the acrylic plate cleaning device, the surface of an acrylic plate can be comprehensively cleaned conveniently, an air blowing structure and a waste chip absorbing structure are used in cooperation, the cleaning effect is good, the acrylic plate can be conveniently fixed and clamped, and therefore the convenience of cleaning work is improved, and the cleaning efficiency is improved.

This utility model provides a dust cleaning device for a masterbatch mixing silo, relating to the field of masterbatch mixing silos. The device includes a mixing silo with a dust collection hood on top. A discharge silo is located on top of the dust collection hood. A through-hole is opened in the top of the discharge silo and a sealed box is fixedly connected thereto. Multiple rotating rods are rotatably connected inside the discharge silo, and baffles are fixedly connected to the outer sides of the rotating rods. A feed pipe is fixedly connected to the through-hole in the top of the mixing silo. This utility model allows for free opening and closing of the mixing silo during use, preventing dust from escaping during mixing and facilitating discharge. Furthermore, the device effectively absorbs and seals the dust during discharge, reducing dust escape and solving the environmental pollution and raw material waste caused by dust overflow from the mixing silo during masterbatch production, particularly addressing the difficulty in effectively controlling dust escape during the feeding process.

The utility model discloses high-strength pyrophyllite processing equipment, and particularly relates to the technical field of pyrophyllite processing, the high-strength pyrophyllite processing equipment comprises a shell, the upper end of the shell is fixedly connected with a dust cover, the upper part of the inner surface of the shell is rotatably connected with a feeding assembly, and the middle part of the inner surface of the shell is rotatably connected with a crushing device; a screening assembly is rotationally connected to the lower portion of the inner surface of the shell, a dust removal device is fixedly connected to the upper end of the discharging pipe, and supporting rods are fixedly connected to the four corners of the lower end of the shell. According to the high-strength pyrophyllite processing equipment, in the discharging process, crushed pyrophyllite is screened through the screening assembly, stone blocks which are not completely crushed and stone blocks meeting the requirement are collected separately, large stone blocks can be subjected to secondary crushing, and therefore the workload of grinding the pyrophyllite into powder in the later period is reduced, and the working efficiency is improved. And meanwhile, the pyrophyllite blocks are concentrated in the middle of the crushing device to be directly crushed through the feeding assembly, and the crushing efficiency is improved.

The utility model relates to the technical field of textile, in particular to a textile double-roller cotton ginning device which comprises a box body, a feeding port, a first roller assembly and a discharging port, a cotton seed grid is fixedly connected to the inner wall of the left end of the box body, and a first electric telescopic rod is fixedly connected to the inner wall of the left end of the box body. When cotton enters the box body from the feeding port to be tied, a sealing cover is closed, a first magnet and a second magnet attract each other magnetically, so that the closing effect of the sealing cover is better, and the situation that cotton fiber floats out of the feeding port when cotton is tied is reduced, a compression roller assembly and a second leather roller assembly are matched with each other, and the compression roller assembly compacts the cotton fiber; the cotton fibers are compactly and moderately discharged from the discharging port, so that the pollution of the cotton fibers flying everywhere to the working environment is reduced, meanwhile, the situation that the flying cotton fibers are sucked into the body by an operator is reduced, the body is protected, the discharged cotton fibers are conveniently and rapidly collected, and the cotton processing efficiency is improved.

The utility model discloses a municipal road drainage structure with an anti-backflow function, and relates to the technical field of municipal drainage engineering. The drainage well comprises a drainage well body, the top of the drainage well body is provided with a well lid, the drainage well body is internally provided with a filter port, the top of the filter port is fixedly connected with a filter screen, and the interior of the filter port is fixedly connected with a supporting rod. When sewage in the drainage well body flows back, the buoyancy of the sewage pushes a buoyancy body to drive a lifting rod to be inserted into a sleeve rod, so that the buoyancy body blocks the bottom of a filtering opening, and a transmission mechanism is matched to drive a cover plate to drive a second drainage opening and a first drainage opening to be arranged in a staggered manner; therefore, sewage in the drainage well body is prevented from flowing out of the drainage well body through the filter port, and foreign matters such as leaves filtered at the top of the filter screen are prevented from flowing out of the drainage well body through the first drainage port and the second drainage port, so that the condition of sewage backflow in the drainage well body is effectively reduced.

The utility model discloses a superfine powder coating mixing machine, and particularly relates to the technical field of powder coating mixing, the superfine powder coating mixing machine comprises a mixing box, a plurality of supporting legs are arranged on the outer wall of the mixing box, the bottom of the mixing box is communicated with a discharging pipe, a conveying barrel is arranged at the bottom of the discharging pipe, and a discharging pipe is arranged at the bottom of one end of the conveying barrel. A feeding opening is formed in the top of the mixing box, a first motor is arranged on the rear side of the mixing box, a rotating rod is arranged at the output end of the first motor, a plurality of stirring rods are annularly distributed on the outer wall of the rotating rod, a stirring shovel is fixedly mounted at one end of each stirring rod, and a dust treatment structure is arranged at the top of the feeding opening. According to the powder coating mixing device, the powder coating mixing effect can be improved, generated dust can be treated in the mixing process, the influence of the dust on the processing environment is reduced, and meanwhile, the effect of uniformly discharging the mixed powder coating can be achieved.

The present application relates to a clamping and drilling device for processing automobile anti-collision beams, which belongs to automobile parts processing equipment, and includes a frame, a clamping mechanism is arranged on the frame, and a drilling mechanism is arranged on one side of the frame, the clamping mechanism includes a support frame fixedly connected to the frame, and the top two ends of the support frame are fixedly connected with positioning rods, and a positioning box is arranged on the opposite side of the positioning rod, and a positioning cavity is opened in the positioning box, and the positioning cavity is used for the energy absorption box to be plugged in, and a fixing rod is arranged on the support frame, and a notch groove is opened on the side wall of the fixing rod away from the positioning rod, and the notch groove is used for the installation plate to be plugged in, and a lifting assembly is arranged between the gaps of the fixing rod, and the lifting assembly is used to press the anti-collision beam with the positioning box and the fixing rod; the drilling mechanism includes a sliding frame arranged on the frame, and a drill bit is arranged on the sliding frame, and a driving assembly for driving the drill bit is connected to the drill bit. The present application has the effect of facilitating the clamping and fixing of the anti-collision beam so as to drill holes in the anti-collision beam.

This utility model discloses an energy-saving biomass steam boiler with a dust-suppressing hopper, comprising a steam boiler and a boiler hopper. The boiler hopper is mounted on the side wall of the steam boiler, and small heat-resistant water tanks are symmetrically arranged on the side wall of the boiler hopper. Each small heat-resistant water tank has a water pipe connector at its bottom. A secondary air fan is mounted outside the boiler hopper, with a suction pipe at its top extending into the interior of the boiler hopper. An air outlet pipe is mounted on the side wall of the secondary air fan and connected to the steam boiler. A dust curtain is installed at the opening of the boiler hopper, with a connecting shaft at its top. This utility model not only allows for flexible adjustment of the dust curtain length to prevent dust dispersion and facilitates the suction of dust and secondary air delivery to the boiler for complete combustion, but also improves the dust suppression effect.

The utility model belongs to the technical field of bioengineering, and particularly relates to a clean screening device for bioengineering, which comprises a screening device body. The top end of the screening device body is fixedly connected with a conveying pipe; the conveying pipe penetrates through the surface of the screening device body; the top end of the conveying pipe is fixedly connected with a feeding hole; a plurality of groups of heating rods are fixedly connected to the inner side of the feeding hole; guide rails are symmetrically arranged on the two sides of the feeding opening; the inner side of the guide rail is slidably connected with a plurality of groups of sliding rods; the side wall of the sliding rod is fixedly connected with a support. The side wall of the support is fixedly connected with heat preservation cotton. Through the arrangement of a heating rod and a heat preservation cotton structure, the design is simple and convenient to operate, materials can be dried before screening, so that water adhering to the materials can be reduced, the screening effect is improved, meanwhile, the heat preservation effect can be achieved, heat dissipation can be reduced, and resource waste can be reduced.

This utility model relates to a docking-type loading device. In actual production, when loading a tanker truck is required, the tanker truck can be driven to below the discharge nozzle. Then, the lifting drive assembly is activated, causing the outer telescopic soft sleeve and telescopic sleeve assembly to extend, allowing the discharge nozzle to enter the loading port of the tanker truck. Subsequently, the bulk loader is activated, guiding the material into the feeding pipe. The material then enters the interior of the telescopic sleeve assembly through the feeding pipe and is then guided into the interior of the tanker truck through the discharge nozzle. Simultaneously, the exhaust fan can be activated, drawing the material dust between the telescopic sleeve assembly and the outer telescopic soft sleeve into the dust suction pipe. The dust then reaches the inside of the collection pipe and is discharged into the hopper through the ash discharge pipe. This effectively reduces dust emission, protects the factory environment, avoids material waste, and prevents the health of workers from being affected.

The invention relates to a butterfly valve with an automatic driving mechanism, and belongs to the technical field of butterfly valve automatic driving mechanisms, the butterfly valve comprises a butterfly valve seat and the automatic driving mechanism, a worm assembly capable of driving a worm gear to rotate is arranged in the automatic driving mechanism, the worm gear rotates to drive a butterfly plate to deflect, and a pressure compensation assembly can be driven by a connecting piece to downwards press a compensation medium. The pressure of the compensation medium on the fluid in the flow channel is increased. By arranging the pressure compensation assembly capable of acting along with rotation of the worm gear, when the worm gear rotates, the butterfly plate is driven to deflect, the flow channel is sealed, in the deflection process of the butterfly plate, fluid is hindered by the butterfly plate and is gradually increased, so that the pressure of the fluid on the interior of the butterfly valve seat is increased, and meanwhile in the deflection process of the butterfly plate, the flow channel is sealed. The pressure compensation assembly can be driven to act, the compensation medium is pressed down, the pressure of the compensation medium is increased, and the risk of leakage caused by the fact that fluid in a flow channel rushes out of a butterfly valve seat due to the fact that the pressure is too large when the butterfly plate is sealed is reduced.

The invention relates to the technical field of road maintenance, in particular to a concrete pretreatment device which comprises a mounting bottom plate and a placement frame, a protective side plate is fixedly connected to the top of the mounting bottom plate, a mounting side plate is fixedly connected to the inner side of the protective side plate, and a collecting bin is fixedly connected to the inner side of the mounting side plate; a mounting frame is fixedly connected to the side of the collecting bin, a cutting shaft is fixedly connected to the inner side of the mounting frame, a cutting disc is fixedly connected to the middle of the side of the cutting shaft, a cutting knife is fixedly connected to the top of the cutting disc, placing rotating rings are fixedly connected to the sides of the two fixing steel needles, and supporting rollers are rotatably connected to the inner sides of the placing rotating rings; the bottom of the supporting roller is fixedly connected with a mounting base plate, the top of the mounting base plate is fixedly connected with a mounting motor plate, through the arrangement of the rotating base plate and a connecting structure, manual work can be reduced, and meanwhile through cooperation of all the devices, the raising of cement ash can be greatly reduced, and pollution is reduced.

The present application relates to the technical field of construction positioning and line laying, and particularly relates to a positioning and line laying device and system. The present application comprises a lime bin, a wheel and a handle, the lime bin and the wheel are rotationally connected, the handle is rotationally connected with the wheel, further comprises a measuring assembly, the measuring assembly is connected on the wheel, the lime bin comprises a feeding port and a discharging port, a stirring impeller is rotationally arranged at the discharging port. The lime bin and the wheel are controlled and pushed by the handle, the operation is simple, a single person can operate, the flexibility is high, the traditional line laying and lime spreading trolley can be replaced, the line laying work is suitable for various terrains and environments, the measuring assembly is used for recording the actual movement distance and movement track of the line laying device, computer identification and recording are facilitated, subsequent construction reference is facilitated, the stirring impeller is beneficial to lime spreading in the lime bin, reduces problems such as blockage, and makes the lime spreading uniform and clear.

The utility model discloses a drying oven used for drying porous carbon, and the drying oven used for drying the porous carbon comprises a circulating hot air structure which is installed in an inner cavity of the drying oven, and the circulating hot air structure carries out circulating heating and blowing; the conveying and moving structure is fixedly arranged in an inner cavity of the drying box, the conveying and moving structure drives the porous carbon to be input and output and turn over the porous carbon, the blocky porous carbon can be dried through hot air through the hot air circulation structure, meanwhile, hot air can be recycled, and therefore blowing of the hot air is reduced, and the drying efficiency is improved. According to the drying device, hot air can be fully utilized, the problem that in the prior art, when a common drying machine blows the hot air, the hot air continuously flows out to cause heat waste is solved, the drying device is provided with a conveying and moving structure, and blocky porous carbon can be conveniently and continuously dried through the conveying and moving structure.

The application relates to an environment-friendly recovery treatment process for spinning waste, and relates to the technical field of waste silk treatment, which comprises the following steps: a covering step of covering a filter screen on an air outlet hole; a cleaning step of cleaning fluff on the surface of the filter screen; a surface changing step of covering the other surface of the filter screen on the air outlet hole; and a collecting step of connecting an opening of a negative pressure device and a waste silk box, and locating the position of the air outlet hole covered by the filter screen in the collecting range of the negative pressure device. The application has the advantage that the probability of fluff being blown out to the environment can be reduced.