110results about How to "Reduce lift" patented technology

The invention provides a building solid waste recycled aggregate preparation system with multi-layer screening and intelligent judgment functions and an operation method. The construction method comprises the construction steps of waste transportation and throwing, manual sorting, waste crushing, cleaning and impurity removal, fine crushing, multi-stage screening, quality detection and control, finished product storage and transportation and recycled aggregate application. According to the building solid waste recycled aggregate preparation system with the multi-layer screening and intelligent judgment functions and the operation method, accurate regulation and control of the screening process are achieved, and the production efficiency is remarkably improved. The quality stability of the recycled aggregate is ensured, the influence of building wastes on the environment is reduced, and the cyclic utilization of resources is promoted. By adopting the technology, the production scheme can be quickly adjusted according to market requirements, the adaptability is high, and more economic benefits are created for enterprises.

The invention belongs to the technical field of metallurgical slag recovery, and particularly relates to a metallurgical slag recovery device and a method thereof.The metallurgical slag recovery device comprises a bottom table, a plurality of supporting rods are fixedly connected to the upper surface of the bottom table, a same supporting frame is fixedly connected to the upper surfaces of the supporting rods, and a fixing frame is fixedly connected to the upper surface of the supporting frame; a first cavity is formed in the fixing frame, two driving assemblies are fixedly connected to the upper surface of the supporting frame, the output end of each first motor is in transmission connection with first strip steel, each driving assembly drives a crushing roller through the corresponding first strip steel, and a plurality of iron blocks are fixedly connected to the circumferential face of each crushing roller. The two crushing rollers are used for crushing metallurgical slag, and the problems that a large amount of metal dust is generated in the crushing process due to the fact that the interior of the slag cannot be wetted, the surrounding working environment is affected by raising of the metal dust, and the body health of workers is harmed are solved through the arrangement of the spraying assembly and the screening plate.

The invention relates to the technical field of batteries, in particular to a single battery and a battery pack. The battery cell provided by the embodiment of the invention comprises a shell, a first electrode terminal, a first electrode assembly and a first tab part, the shell is used for accommodating the first electrode assembly, and the shell is provided with a first wall; the first electrode terminal is arranged on the first wall; the first tab part comprises at least two first tab pieces, the first tab pieces extend out from at least one end of the first electrode assembly, and the first tab part is electrically connected with the first electrode terminal; a first welding mark and a second welding mark are arranged on the first tab part, the orthographic projection of the second welding mark falls into the orthographic projection of the first welding mark along the projection on the large surface of the first tab part, and the second welding mark is used for welding the first electrode terminal and the first tab part; wherein the roughness of the second welding mark is greater than that of the first welding mark. The technical effect of improving the welding strength between the tab and the electrode terminal is achieved.

The invention discloses a flexible FPC multi-degree-of-freedom bending mechanism and a bending machine thereof, the flexible FPC multi-degree-of-freedom bending mechanism comprises a bending support, a bending transverse moving assembly and a bending head, and the bending support is horizontally arranged on a machine table; the bending transverse moving assembly is arranged on the bending support. The bending head is arranged on the bending transverse moving assembly. The bending head comprises a top inserting part, a bending part and a pressing part, and the bending part is connected to the bending transverse moving assembly. The top inserting part is arranged on one side of the bending part, the top inserting part penetrates through the bending part and extends to the other side of the adsorption part, and a first inserting pin of the top inserting part extends into a bending line; and the pressing part is arranged on the bending part. According to the invention, the contact pin which has the same rotating shaft with the bending is adopted, the belt body is pressed during bending, and a belt body bending rotating shaft is provided, so that the upwarp of the belt body during bending is effectively reduced, the accurate control of the bending radian is realized, the bending position accuracy and the bent belt body flatness are ensured, and meanwhile, the adsorption fixing and belt pressing functions are integrated.

The invention discloses photovoltaic panel cleaning equipment. The photovoltaic panel cleaning equipment comprises a first rolling assembly, a second rolling assembly and a cleaning assembly; the first rolling assembly is arranged at the first end of the photovoltaic panel, the second rolling assembly is arranged at the second end of the photovoltaic panel, and the first end is higher than the second end; the cleaning assembly comprises a mounting frame, a chain, a first chain wheel, a second chain wheel and a cleaning part; the first rolling assembly and the second rolling assembly are fixed to the two ends of the mounting frame correspondingly. The first chain wheel and the second chain wheel are arranged at two ends of the mounting frame, the chain is meshed with the first chain wheel and the second chain wheel, and the cleaning part is fixed on the chain. The first chain wheel and the second chain wheel can drive the chain to rotate; dust discharging openings are formed in the two opposite ends of the mounting frame, the dust discharging openings extend out of the photovoltaic panel in the first direction, and the rotating track of the cleaning part passes through the dust discharging openings. When the photovoltaic panel is cleaned, the cleaned foreign matters such as dust or accumulated snow can fall off from the dust discharge port, so that the probability that the foreign matters are raised can be reduced, and the cleaning effect on the photovoltaic panel is improved.

The utility model discloses a dust-proof system of a motor sweeper, which belongs to the technical field of motor sweepers, and comprises a dust-proof structure and a driving structure, the dust-proof structure is arranged on one side of a cleaning brush of the motor sweeper deviating from a cab, and comprises a fixed water pipe and a movable water pipe, one side of the fixed water pipe and one side of the movable water pipe are each sequentially provided with a sprinkler head and a water mist nozzle in the length direction of the fixed water pipe and the movable water pipe, the sprinkler heads correspond to the sweeping ends of the sweeping brushes, and the movable water pipe is arranged above the fixed water pipe; the driving structure is connected with the movable water pipe so as to drive the movable water pipe to rotate in a reciprocating mode and drive the water mist spray head to rotate to spray water mist. According to the device, water can be sprayed to the sweeping end of the sweeping brush in the sweeping process of the sweeping brush so as to reduce raised dust in the sweeping process, large-range water mist spraying can be carried out behind the sweeping brush so as to prevent the raised dust from being diffused in the sweeping process, and the dustproof effect of the sweeping vehicle is good.

The invention discloses a drilling device for cement prefabricated product production, which relates to the field of prefabricated product processing, and comprises a support frame and a workbench, and also comprises: a positioning mechanism, which is used for fixing the prefabricated product on the top of the workbench; a drilling mechanism, which is used for drilling the fixed prefabricated product; a lifting mechanism, which is used for driving the drilling mechanism to move; a dust reduction and cooling mechanism, which is used for reducing the amount of dust generated during the drilling process and for cooling the drilling mechanism; and a discharging mechanism, which is used for discharging cement blocks drilled out of the drilling mechanism. The drilling device for cement prefabricated product production improves the flexibility and quality of cement prefabricated product drilling, can control coolant to be uniformly sprayed onto the inner wall of a drill barrel, and uniformly cools the drill barrel; after the drilling is completed, the cylindrical cement blocks in the drill barrel can be automatically ejected to be separated from the drill barrel, thereby solving the problem that the drilled cylindrical cement blocks are easily stuck in the drill barrel.

The invention relates to the technical field of tunnel engineering, in particular to an intelligent adjusting system and method for ditch cover plates of a high-speed railway tunnel, and the adjusting system comprises an intelligent regulation and control module, a plurality of ditch cover plates and a plurality of wind speed sensors. The opening adjusting device comprises an opening, a rotating shaft, a driver and a fan blade, the rotating shaft rotatably penetrates through the cover plates and the opening, the size of the fan blade is matched with the size of the opening, the fan blade is fixed on the rotating shaft, the rotating shafts of two adjacent ditch cover plates are fixed along the axial direction, the driver is connected with the rotating shaft at one end of the ditch cover plate, and the fan blade is fixed on the rotating shaft. The intelligent regulation and control module is connected to the multiple wind speed sensors and the driver. According to the method, dynamic adjustment of the aperture ratio of the ditch cover plate is achieved so as to adapt to pressure changes under different train passing conditions, vibration and lifting of the ditch cover plate are reduced, and train safety and tunnel structure stability are guaranteed.

The utility model belongs to the technical field of detection fixture, specifically is a kind of battery package sealing gasket specification detection fixture, including multiple mainboards, multiple vice plates and fixing device, multiple vice plates are respectively located in the lateral wall of multiple mainboards;Fixing device is arranged on the surface of multiple mainboards and multiple vice plates, and fixing device includes placing plate, and placing plate is located on the surface of mainboard and vice plate, and the surface of placing plate is fixedly connected with two support blocks, the surface of multiple mainboards and multiple vice plates is equipped with four limiting devices, and limiting device includes limiting plate, and limiting plate is sleeved on the surface of mainboard and vice plate, two elastic strips are inserted in the inner surface of limiting plate, two elastic strips are respectively located in the upper and lower ends of vice plate, the surface of elastic strip is fixedly connected with clamping strip, and clamping strip is inserted in the inner surface of limiting plate;By setting the whole device, the position of mainboard and vice plate can be fixed, and the situation that mainboard or vice plate is affected by detection in detection process is reduced.

The invention belongs to the technical field of ion detection, and particularly relates to a method and a system for screening ions in chemical ionization mass spectrometry. The screening method comprises the steps that an ion screening rod is arranged on an ion transmission path of an ion transmission area of the multistage differential chemical ionization mass spectrometer, main radio frequency voltage is applied to the ion screening rod, and full-time broadband control waveforms are coupled; the main radio frequency voltage is used for realizing collision cooling and radial focusing of ions; the full-time broadband control waveform is a broadband excitation waveform of a time domain and a frequency domain, the frequency of the full-time broadband control waveform is the same as the resonant frequency of reagent ions, and the full-time broadband control waveform is used for removing excessive reagent ions. Due to the fact that flying ions are restrained by a radio frequency electric field, the ions with different mass-to-charge ratios have specific resonant frequencies, when a full-time broadband waveform with the same resonant frequency as the reagent ions is externally applied, the reagent ions can be ejected out and annihilated on the ion screening rod, and therefore real-time screening of the reagent ions is achieved.

This invention relates to an automotive signal light and an automotive vehicle; it includes a lamp housing and a light source and an optical lens disposed within the lamp housing; the optical lens is arranged between the light source and the light-transmitting surface of the lamp housing, and the light emitted by the light source is refracted by the optical lens and emitted from the light-transmitting surface in a parallel light form, and the light distribution surface of the optical lens opposite to the transparent surface is an inclined surface C; the inner part of the optical lens is cut and hollowed out to form an air-avoiding layer, the air-avoiding layer includes a first control surface B, a second control surface A opposite to the first control surface B, and a top surface, and the angle between the first control surface B and the top surface is controlled and adjusted based on the inclination of the inclined surface C; thereby, the weight of the optical lens can be effectively reduced, thereby reducing the weight of the entire signal light and effectively raising the optical axis (light beam).

This utility model discloses a waste removal device for a cutting machine, relating to the field of cardboard box production technology. It aims to solve the problem of waste removal devices cleaning cardboard waste and dust together, which easily causes dust to fly around. The key technical points are: it includes a support frame, a first filter frame, a second filter frame, and a guide plate. The support frame is rotatably connected to the first filter frame and is fixedly provided with an abutment block that abuts against the first filter frame. The second filter frame is fixedly mounted on the support frame. The guide plate is fixedly mounted on the side away from the first filter frame and forms a through connection with it. This waste removal device for a cutting machine can separate dust and cardboard waste during waste recycling, allowing dust to be collected separately. This reduces dust emission during waste collection and maintains a clean working environment.

This utility model discloses an ash and slag separation device based on multi-source sludge co-incineration, including a separation and processing box. A feeding hopper is embedded in the bottom of the inner side of the separation and processing box, and an ash discharge hopper is embedded in the top of the inner side of the separation and processing box. A guide frame is embedded in the middle of the inner side of the separation and processing box, and a slag discharge guide trough is fixedly connected to the middle of one side of the guide frame. This utility model ensures that the sliding inner frame can drive the multi-layer screening screen to periodically sway horizontally, so that the furnace ash falls down along the top holes of the multi-layer screening screen into the ash discharge hopper for discharge. The ash and slag intercepted by the multi-layer screening screen is guided to the top of the slag discharge guide trough and discharged to the side of the separation and processing box through the slag discharge guide trough, thereby realizing rapid separation of ash and slag, effectively preventing the ash and slag from containing a large amount of dust that would affect subsequent processing, and thus effectively improving the use effect of the ash and slag separation device.

The invention discloses a lower decoration plate structure of a front bumper system, and relates to the field of automobile front insurance accessories, the lower decoration plate structure comprises a first decoration plate, a second decoration plate and a buffer rack, the middle position of the front end of the first decoration plate is provided with symmetrical air inlet holes, and the two sides of the first decoration plate are provided with decoration surfaces; the decorative surface is a smooth curved surface which is sunken towards the two sides of an automobile body, the first decorative plate is fixedly installed below a front bumper, the second decorative plate is fixedly installed below the first decorative plate, the buffer frame is installed between the first decorative plate and the second decorative plate, an anti-collision flange is arranged right in front of the second decorative plate, and the anti-collision flange is connected with the buffer frame. An air inlet group is arranged below the anti-collision flange, and the buffer frame is arranged at the joint of the first decorative plate and the second decorative plate and used for supporting the first decorative plate and the second decorative plate.

A hovercraft inner and outer annular channel type air propeller is an asymmetric air rudder, three rudder blades are arranged in parallel relative to the air propeller, the cross section of each rudder blade is in an aircraft wing shape, the middle rudder blade is a forward rudder blade consistent with the side floating force direction, and the rudder blades on the two sides are reverse rudder blades opposite to the side floating force direction. According to the asymmetric air rudder for the hovercraft inner and outer loop type air propellers, the rudder blade is essentially a vertical wing, the wing generates corresponding lift force when having a wing type positive angle of attack, the wing does not generate lift force or the generated lift force is extremely small when having a wing type negative angle of attack, and no obvious influence is generated on navigation; therefore, through the shapes and the arrangement directions of the three rudder blades, the side floating force generated by the air propeller can be counteracted when the hovercraft sails positively, so that the sailing stability of the hovercraft is effectively improved, and enough steering force can be provided during steering by utilizing the lift force difference of the rudder blades.

The utility model provides a leaf suction machine with a sweeping function, which comprises a rack system, a power system and a chassis system, the front end of the rack system is fixedly connected with a sweeping system, and the sweeping system is arranged on one side of a leaf suction system; the sweeping system comprises a slewing mechanism, a working arm device, a sweeping device and a water spraying device, the sweeping device is rotationally connected to the bottom end of the front portion of the working arm device, the water spraying device is connected to the front end of the working arm device, and the water spraying device is arranged on one side of the sweeping device; the rear portion of the working arm device is rotationally connected to the swing mechanism, and the swing mechanism is fixedly connected to the front end of the rack system. According to the leaf suction machine, a sweeping system is additionally arranged besides an inherent system, the leaf suction efficiency is improved, dust raising is reduced, suction is improved, the limitation of operation road surfaces, sites and environments is broken through, and the operation application range is widened.

A high-grade matte blowing rapid mass transfer and heat transfer system comprises a bottom-blown converter, the bottom-blown converter is provided with a hot matte inlet, a flue gas outlet and a bottom-blown air supply nozzle; the hot matte inlet is arranged on the side wall at one end of the bottom-blown converter; the flue gas outlet is arranged on the top of the bottom-blown converter; the bottom-blown air supply nozzles are provided in a plurality and are respectively arranged at the bottom of the bottom-blown converter; a hot matte feed pipe is movably provided on the hot matte inlet; the hot matte feed pipe is inclined, the hot matte inlet is connected to the lower end of the hot matte feed pipe, and the hot matte enters the bottom-blown converter through the hot matte feed pipe; a flue is movably provided on the flue gas outlet; a cold material feed port is provided on the side wall of the flue; a plurality of cold material feed ports are provided; a cold material feed channel is provided on the cold material feed port; the cold material feed channel is inclined; the lower end of the cold material feed channel is connected to the cold material feed port.

The utility model belongs to the technical field of auxiliary equipment for cold rolling filtration, and particularly relates to an auxiliary device for post-treatment of a filter cake of a plate filter, which comprises a vehicle body and a ton bag, universal wheels are arranged below the vehicle body, the vehicle body comprises a box body and a U-shaped plate, the upper end and one side of the box body are open, and the U-shaped plate is fixedly arranged at the lower end of the open side of the box body. The top of the U-shaped plate is lower than the top of the box body, the ton bag is located in the vehicle body, and a bag opening is opened towards the upper portion of the U-shaped plate. A bearing plate is fixedly arranged at the upper end of the side, away from the box body, of the U-shaped plate, extends towards the side, away from the box body, of the bearing plate and is obliquely arranged upwards, hanging nails are fixedly arranged at the two ends of the lower portion of the side, away from the box body, of the bearing plate, adjusting pieces are arranged at the upper ends of the sides, close to the U-shaped plate, of two opposite side plates of the box body, and hooks are arranged on the adjusting pieces. The filter paper and the filter cake are directly loaded into the ton bag to complete replacement, dirty soil caused by breaking of the filter cake in the ton bag filter cake collecting process is directly collected and treated, efficiency is improved, and labor intensity is reduced.

The utility model relates to the technical field of vehicle parts, and provides a front wheel spoiler and a vehicle, the front wheel spoiler comprises a spoiler body, a plurality of spoiler strips are arranged on the windward side of the spoiler body in a protruding mode, the spoiler strips are arranged at intervals, and the spoiler strips are arranged from one end of the two opposite ends of the spoiler body to the other end of the two opposite ends of the spoiler body. Thus, the windward side of the front wheel spoiler is the non-smooth surface with the concave faces and the convex faces arranged alternately, when airflow passes through the uneven windward side of the front wheel spoiler, an eddy current can be formed, the eddy current can weaken the eddy current caused by a vehicle front wheel rotating area, and therefore the purpose of further reducing aerodynamic resistance is achieved. In addition, due to the arrangement of the spoiler strips, the structural strength of the spoiler body can be improved, the front wheel spoiler is not prone to large deformation when the vehicle runs at a high speed, and it is guaranteed that the front wheel spoiler has the good resistance reducing effect when the vehicle runs at the high speed.

The utility model discloses a corrugated board thickness detection device, which comprises a bottom table, a mounting column is vertically fixed at the rear end of the top of the bottom table, and a sliding sleeve is arranged at the bottom end of the outer part of the mounting column. When the corrugated board thickness detection device is used for measuring the thickness of a corrugated board, after a sample of the corrugated board to be tested is cut out, the sample is placed in the middle of the top end of a measuring table, and then the sample can be placed on the two sides of the top end of a bottom table respectively. After the arranged movable seats are pulled out to the two sides of the top end of a sample through the movable rods, the rotating rods are rotated to drive the pressing plates to move downwards, the sample can abut against the top end of the measuring table downwards, the two sides of the top end of the sample can be pressed and fixed at the top end of the measuring table in an auxiliary mode through the two sets of pressing plates, and upwarp of the sample in the testing process is reduced; the corrugated board thickness testing device is convenient for testing the thickness of a corrugated board, and solves the problem that the test sample paperboard is inconvenient to be fixed in an auxiliary manner.

The utility model discloses an inonotus obliquus impurity separating device which comprises a base, an outer cover shell is arranged on the top face of the base, openings are formed in the front face and the top end of the outer cover shell, an installation assembly is arranged between the outer cover shell and the base, an air pump is fixed to the top face of the base, and an air conveying pipe is connected to the output end of the air pump. A fixing plate is fixed to the top face of the base, and a purging assembly is arranged at the top end of the outer cover shell. According to the inonotus obliquus raw block cleaning device, airflow blown out through the blowing cleaning assembly makes uniform contact with all positions of the surface of an inonotus obliquus raw block, attached impurities and dust are effectively blown away and removed, blown-out dust and impurity particles are blocked through the arranged outer cover shell, most of the dust and impurity particles are attached to the inner side wall of the outer cover shell, and therefore the dust and impurity particles are effectively removed. The dust raising to the external environment is greatly reduced, air pollution is reduced, when the interior of the outer cover shell is too dirty, the outer cover shell can be conveniently disassembled through the mounting assembly, and therefore the interior of the outer cover shell can be conveniently cleaned.

The invention provides a brewing and deacidification method of aroma-enhanced passion fruit wine, belongs to the technical field of fruit wine, and solves the technical problems of high acidity, poor taste and the like of existing fruit wine. According to the brewing and deacidification method of the aroma-enhanced passion fruit wine, passion fruits harvested in a grading mode are cleaned and then added into a smashing box to be smashed, and fruit pulp is obtained for use; the method comprises the following steps: cleaning glutinous rice, soaking the cleaned glutinous rice in water for 3-5 hours, steaming the cleaned glutinous rice, sprinkling water to cool the steamed glutinous rice, then adding the steamed glutinous rice into an enzymatic hydrolysate, adding a composite yeast agent into the enzymatic hydrolysate, and uniformly stirring to obtain a fermentation substrate; adding the fermentation substrate, distiller's yeast and fruit pulp into a fermentation tank, adding an acid reducing agent, and carrying out sealed fermentation; after the fermentation is completed, precipitating and filtering the passion fruit wine, then feeding the passion fruit wine into a storage tank for storage, sealing the precipitate after precipitation, and then filtering the passion fruit wine. The method has the advantages that the acidity of the passion fruit wine is reduced, the flavor of the passion fruit wine is improved, the filtering pressure is reduced, and the quality is improved.

The utility model discloses a heating device for an aircraft wing, and particularly relates to the field of aircraft heaters, which comprises an aircraft wing, a connecting piece fixedly connected to the bottom of the aircraft wing, an engine fixedly connected to the bottom of the connecting piece, a heating ring fixedly mounted on one side of the engine, and a connecting pipe fixedly connected to the outer wall of the heating ring. One end of the connecting pipe is fixedly connected with a water inlet of a circulating water pump, a water outlet of the circulating water pump is fixedly connected with a heating pipe, a protective sleeve is fixedly installed on the outer wall of the circulating water pump and fixedly installed on one side of the connecting piece, and the connecting pipe and the heating pipe are inserted into the protective sleeve. The heating ring and the heating pipe are arranged, waste hot air of an engine can heat liquid through the heating ring, the high-temperature liquid is driven by the circulating water pump to heat the front edge of the aircraft wing through the heating pipe, the front edge of the aircraft wing is prevented from freezing, and the effect of heating the aircraft wing to prevent freezing is achieved.

The utility model discloses concrete mixing equipment with a dustproof function, which comprises a mixing tank and a processing box, a mixing motor is arranged on the mixing tank, an output shaft of the mixing motor is fixedly connected with a mixing shaft, and a processing mechanism for processing cement bags is arranged in the processing box. The processing mechanism comprises a guide frame, a screen cylinder and a blade which are arranged in a processing box, a first motor is arranged on the side wall of the processing box, a sliding rail is mounted on the processing box through a mounting plate, a box door is arranged in the sliding rail, and a spiral conveying pipe is arranged below the processing box in a communicating manner. According to the utility model, the processing mechanism is arranged, concrete aggregate and cement ash can be separately fed, and dust-proof unpacking can be carried out on the cement ash placed in the processing box, so that dust raising in the unpacking process is greatly reduced, the environment is protected, and meanwhile, the body health of workers is also ensured.

This utility model discloses a grain lifting device, including a lifting machine casing. Two drive wheels are rotatably connected to the upper and lower ends of the inner surface of the lifting machine casing, respectively. The surfaces of the two drive wheels are connected by a first drive belt, and a grain transport box is fixedly connected to the first drive belt. A fan is installed on one side of the upper part of the feeding hopper of the lifting machine casing, and a dust collection box is installed on the other side of the upper part of the feeding hopper. The dust inlet of the dust collection box is directly opposite the fan. The outlet of the discharge hopper of the lifting machine casing faces downwards, and a sieve plate is installed at the outlet of the discharge hopper. This utility model sets up a fan and a dust collection box at the feeding hopper. When grain enters the feeding hopper, the fan can separate impurities from the grain, which will be stored in the dust collection box for easy cleaning. The grain enters the grain transport box and is conveyed to the discharge hopper, where the sieve plate further separates large impurities, achieving secondary impurity removal from the grain. This reduces dust from the grain during discharge, thus protecting the environment.

The utility model discloses an auxiliary part for injection molding and feeding, relates to the technical field of auxiliary parts, and aims to solve the problem that the processes of taking materials from a material bag and feeding the materials are inconvenient in the existing injection molding process. According to the key points of the technical scheme, the device comprises a groove body which is embedded into the ground and provided with an opening in the top, a groove opening of the groove body is flush with the ground, and the groove body is fixedly connected with a material overturning part used for overturning bagged materials to be fed into the groove body; a cutting knife which is located on an overturning path of the overturning part, can penetrate into the material overturning part and cuts a material bag of the bagged materials is fixedly connected into the groove body. Through the arrangement of the structure, the process of taking materials from the material bag and feeding the materials in the injection molding process is simplified.

The utility model relates to the technical field of plastic particle processing equipment, in particular to dustproof plastic powder mixing equipment which comprises a mixing barrel, concave blocks are fixedly connected to the two sides of the inner wall of the mixing barrel respectively, rotating shaft rods are rotationally connected into the concave blocks, connectors are fixedly connected to the outer walls of the rotating shaft rods, the other ends of the connectors extend outwards and are fixedly connected with baffles, mounting rings are fixedly connected into the concave blocks, and torsion springs are arranged on the inner walls of the mounting rings. According to the plastic powder mixing device, bagged plastic powder is poured into the mixing barrel from the notches formed in the aligned positions of the two baffles, the plastic powder in the mixing barrel is shielded through the two baffles, raising of the powder is reduced, and the mixing barrel is convenient to use. And meanwhile, a torsion spring can automatically spring back the baffle which rotates on the shape plate, so that the baffle is prevented from being damaged when the bag is put into the baffle.

The utility model relates to a color powder additive feeding device for an asphalt mixing tank, and belongs to the technical field of asphalt mixing equipment. The device comprises a stirring cylinder, wherein a feeding hopper is additionally arranged on the feeding side of the stirring cylinder; the feeding hopper structurally comprises a feeding section and a buffering section which are sequentially arranged in the feeding direction, the feeding section is of a vertical straight tube pipeline structure, and the buffering section is of a pipeline structure which is communicated with the feeding section and is obliquely arranged; a movable cover plate is installed on a feeding port of the feeding section, the top of the movable cover plate is connected with a cover plate air cylinder, and cover plate walking wheels are installed at the bottom of the movable cover plate. A turning plate is arranged at the joint of the feeding section and the buffering section and connected with a turning assembly. According to the utility model, a buffer area can be formed, operators are prevented from being harmed by high-temperature flue gas, and materials are buffered in the process of falling into the stirring cylinder, so that the stirring cylinder cannot be damaged.

The conveying device with the vacuum adsorption function comprises a machine frame, a conveying belt is arranged on the inner side wall of the machine frame, adsorption holes are formed in the surface of the conveying belt, one side of the machine frame is fixedly connected with a first containing plate, a vacuum pump is placed on the surface of the first containing plate, and the first containing plate is fixedly connected with a second containing plate. And a vacuum pipe is fixedly installed at the end of the vacuum pump, a second containing plate is fixedly connected to the other side of the rack, and a spraying assembly is placed on the surface of the second containing plate and comprises a liquid storage box. By arranging the rolling brush, dust and residues on the surface of the conveying belt can be quickly cleaned under the driving of the motor, dust, stains and other residues on bristles can be adhered to the rolling brush when the rolling brush brushes the cleaning cloth, the rolling brush is kept clean, and the rolling brush can be flexibly stored after being used. And the spraying assembly is matched for spraying water, so that a better cleaning effect can be achieved, and meanwhile raised dust in the cleaning process can be reduced.

The utility model discloses a paperboard paper cutting machine with feeding structure belongs to paper cutting machine technical field, including the bottom plate, the top of bottom plate is fixedly connected with mounting bracket and work plate respectively, the top fixedly connected with electric push rod of mounting bracket, and the movable end of electric push rod extends to the inside of mounting bracket, and fixedly connected with the lifting plate, and the bottom of lifting plate is fixedly connected with cutter and slide cylinder respectively, and the inside slide coupling of slide cylinder has slide rod, and the bottom end of slide rod extends to the outside of slide cylinder, and fixedly connected with the pressing plate, and the side surface of slide cylinder and slide rod is commonly equipped with spring, and the top of spring is fixedly connected in the bottom of lifting plate, through above -mentioned each device between the cooperation use, makes the lifting plate drive pressing plate and cutter and moves down, and spring can apply the thrust to pressing plate, makes it close -fit on paperboard, thereby has strengthened the stability of paperboard, has reduced the possibility that paperboard rises, and further helps the cutting quality of paperboard to improve.