171results about How to "Avoid carrying" patented technology

The invention belongs to the technical field of material preparation, and particularly relates to a high-thermal-conductivity copper-diamond composite material preparation method which comprises the following steps of (1) raw material preparation, (2) SLM equipment preparation and preheating, (3) model printing, (4) heat treatment, (5) finish machining and (6) classified inspection and storage. The screened diamond powder is cleaned and dried through alcohol, workers can conveniently operate and use the diamond powder, manufacturing of the composite material is more accurate, SLM equipment is cleaned through a dust collector, machining operation of the composite material is convenient, the situation that the composite material carries scraps during machining is avoided, and through heat treatment, the machining efficiency is improved. The composite material can be conveniently processed and operated, the mechanical property of the material can be improved, the structure and the organization of the material can be adjusted, the defects of the material can be repaired and improved, workers can conveniently inspect through inspection and storage, and the probability that the composite material has problems during use is smaller.

The utility model discloses a light ceramsite concrete wallboard cracking detection device which comprises an ultrasonic detector, the surface of the ultrasonic detector is fixedly connected with a probe, one side of the ultrasonic detector is fixedly connected with a connecting strip, one side, far away from the ultrasonic detector, of the connecting strip is fixedly connected with a shell, the surface of the shell is provided with scales, and the surface of the shell is fixedly connected with the probe. Two groups of buckles are arranged on the surface of the shell, the buckles are used for placing marking pens, the interior of the shell is hollow and is slidably provided with two sliding blocks, one side walls, far away from each other, of the two sliding blocks are respectively and fixedly connected with a strip ruler, the section of each sliding block is larger than that of each strip ruler, and one end, far away from each sliding block, of each strip ruler extends to the outer side of the shell. The two ends of the shell are provided with sliding grooves which are the same as the strip rulers in shape, and the strip rulers are provided with scales. The surface of the detection device is connected with the telescopic ruler, the marking pen is clamped on the surface of the telescopic ruler, and a plurality of necessary tools are integrated together, so that carrying of too many tools is avoided, and operation steps are simplified.

The utility model discloses an incision recovery nursing device, and relates to the technical field of wound nursing, the incision recovery nursing device comprises a nursing frame and an outer cover hinged above the nursing frame, the inner side of the outer cover is provided with a placing plate, the outer cover and the placing plate are both provided with air holes, and the air holes are communicated with the nursing frame. Elastic limiting pieces are symmetrically arranged on the inner side of the outer cover, the elastic limiting pieces are slidably connected with mounting plates, and fixing pieces are symmetrically arranged at the ends, away from the hinged position, of the nursing frame and the outer cover; the connecting blocks are symmetrically installed at the two ends of the nursing frame, binding bands are connected to the connecting blocks in an inserted mode, and connecting pieces are installed on the connecting blocks. According to the utility model, a large amount of air inside and outside can be exchanged, the entering air is prevented from carrying bacteria, so that the healing speed of a wound of a patient is prevented from being influenced, the position of the elastic limiting piece can be adjusted according to the size of gauze, the gauze is extruded and limited, the use effect is good, and the use is flexible.

The invention relates to the technical field of traditional Chinese medicine crushing, in particular to a traditional Chinese medicine ultrafine crusher. Comprising a rack, and the rack is provided with a cyclone separator and a pulse dust collector; all the electric control telescopic rods are arranged on the crusher in the circumferential direction; and the dredging gear ring is connected into the rack in a sealed and sliding mode, the telescopic end of the electric control telescopic rod is fixedly connected with the dredging gear ring, and the dredging gear ring is used for cleaning the interior of the pulverizator. Traditional Chinese medicine particles between the crushing teeth and the crushing roller are ejected out through the dredging gear ring, the traditional Chinese medicine particles blocked in the crusher are cleaned under the condition that disassembly is not needed, and the ejected traditional Chinese medicine particles are extracted out through the cyclone separator, so that gaps between the crushing teeth and the crushing roller are prevented from being blocked; and the waste of traditional Chinese medicine powder caused by dust leakage in the traditional Chinese medicine crushing process due to sealing failure caused by frequent disassembly, assembly and maintenance after the crusher is blocked is avoided.

The utility model discloses a multifunctional art knife tackle, relates to the art knife technical field, the art knife tackle comprises an auxiliary handle and a knife handle, the front end of the auxiliary handle is fixedly connected with the knife handle through a connecting piece, the inside of the knife handle is fixedly provided with an embedded part, the inside of the embedded part is provided with a knife groove, and the knife groove is fixedly connected with the knife handle. An art knife body is slidably mounted in the knife groove, and a through hole is formed in the right end of the art knife body; an adjusting structure is arranged in the embedded part, the through hole is aligned with the threaded opening, and an adjusting bolt penetrates through the through hole to enter the threaded opening, so that the art knife body is convenient to replace; an auxiliary structure is arranged at the left end of the auxiliary handle, and distance values are marked at the front end of an auxiliary part, so that a worker can quickly know the distance between the auxiliary part and the art knife body and the distance between the auxiliary part and the hook knife, the worker can tightly attach the auxiliary part to one end of an object, and the straight cutting route of the art knife body is ensured; and a machining structure is arranged at the right end of the auxiliary handle, so that a worker does not need to carry various tools.

The utility model belongs to the technical field of sewage treatment, and provides a sewage treatment system based on photovoltaic power supply, which comprises a shell, a dehydration box and a cloud control assembly used for controlling the operation of equipment, a communication box is arranged in the shell, and a second telescopic piece for driving the communication box to move up and down is arranged in the shell. Compared with the prior art, the technical problems that in the prior art, residues exist during scum cleaning, the scum cleaning effect is poor, and sewage in scum needs to be separated again subsequently are solved. The scum collecting device has the beneficial effects that the pipe openings of the collecting pipes sink below the water surface and cannot block the movement of scum, and the plurality of groups of collecting pipes are positioned at different positions of the internal space of the shell and can move, so that the scum near the pipe opening of each collecting pipe can quickly enter the collecting pipes, the residue of the scum is effectively reduced, and the service life of the scum collecting device is prolonged. And the scum cleaning effect is improved.

The utility model provides a replaceable oral cavity cleaning device convenient to use, which relates to the technical field of oral cavity treatment and comprises a first fixing rod, a semi-cylindrical drawer is arranged in a rod body of the first fixing rod, a connecting body is arranged at the bottom of the first fixing rod, a connector is arranged at the bottom of the connecting body, a screw groove is formed in the bottom of the connector, and the screw groove is connected with the first fixing rod. A replaceable functional head is rotatably inserted through the spiral groove, the replaceable functional head comprises a front tooth hook head, a rear tooth hook head and a tooth gap brush, the functional head of the whole device can be conveniently stored in the drawer through the arrangement of the internal semi-cylindrical drawer, the functional head comprises the front tooth hook head and the rear tooth hook head, and meanwhile, the front tooth hook head and the rear tooth hook head can be connected with the tooth gap brush. Through the arrangement of the replaceable functional head, various types of cleaning devices do not need to be carried, the carrying type and capacity are reduced, the pen cap can be carried about, and the function head is protected; the problems that operation is difficult, carrying is inconvenient, and using functions are few are solved.

The utility model provides an acid steaming cleaning device, and relates to the technical field of containers. The bottom of the cylinder body is arranged at the top of the heating chassis; the separation disc is arranged in the cylinder body, a first cavity used for containing a container to be cleaned is formed between the separation disc and the top of the cylinder body, a second cavity used for containing an acid solution is formed between the separation disc and the bottom of the cylinder body, and a plurality of through holes are distributed in the separation disc; the support frame group is arranged at the top of the separation disc and is used for supporting a to-be-cleaned container; the cover body is arranged at the top opening position of the cylinder body; according to the acid steaming cleaning device, acid steam is used for cleaning, the container can be prevented from being secondarily polluted by heavy metal flowing into an acid solution, the acid consumption is reduced, the acid solution on the container can drop back into the second cavity when cleaning is finished, and when the container is taken out, the container can be prevented from carrying the acid solution, and large loss of the acid solution is avoided.

The invention discloses a stereoscopic microscope for producing and processing an orthokeratology lens, and relates to the technical field of microscopes. The device comprises a base, the top of the base is in threaded connection with a vertical rod, the outer surface of the vertical rod is in sliding connection with a focusing bracket, the inner wall of the focusing bracket is fixedly provided with an observation machine head, the outer surface of the vertical rod is fixedly provided with a dustproof assembly, the dustproof assembly is arranged at the bottom of the observation machine head, and the dustproof assembly carries out dust prevention on an objective lens at the bottom of the observation machine head. According to the stereoscopic microscope, dust is prevented from being attached to the surface of an objective lens when the stereoscopic microscope is not used for a long time, a clamping mechanism is arranged at the top of the base and comprises a shoulder screw, glass slide clamps are rotationally connected to the outer surface of the shoulder screw, a light condensation assembly is arranged at the interval of the two glass slide clamps, and a spring of the shoulder screw drives the glass slide clamps to clamp glass slides. The glass slide is placed above the light condensation assembly, and the light condensation assembly improves the brightness of the bottom of the glass slide, so that the observation effect of the stereoscopic microscope is improved.

A filter core structure for oil fume removal equipment of a steam turbine oil system, the filter core structure comprising an outer filter core assembly and an inner filter core assembly; the outer filter core assembly comprising an outer filter core, an outer top cover and an outer bottom cover; the outer top cover covering the top of the outer filter core, the outer top cover having an opening in the middle; the outer bottom cover covering the bottom of the outer filter core; the inner filter core assembly comprising an inner filter core, an inner top cover and an inner bottom cover; the inner top cover covering the top of the inner filter core, the inner top cover having an opening in the middle; the inner bottom cover covering the bottom of the inner filter core; the lower end of the inner filter core assembly being inserted into the outer filter core assembly from the opening in the middle of the outer top cover, the inner top cover being fixed on the outer top cover; a gap being present between the outer surface of the inner filter core and the inner side of the outer filter core; the distance between the inner bottom cover and the outer bottom cover being greater than or equal to half the distance between the outer top cover and the outer bottom cover. The filter core structure can ensure sufficient filtration of oil fume and avoid air carrying oil when the air is discharged from the filter core structure.

The invention relates to the technical field of modeling systems, and discloses a portable cluster three-dimensional rapid modeling system and method, and the system comprises an integrated case unit which is internally integrated with a main computing node and a sub computing node; the power supply and power management module is used for monitoring the load of each computing node in real time and dynamically adjusting power supply; a KVM switching table in the man-machine interaction module is used for supporting a user to switch among a plurality of computing nodes through a keyboard or a mouse; the scheduling and modeling module is used for performing three-dimensional modeling on the target area according to the image data; and the environment adaptation module is used for carrying out real-time monitoring and intelligent regulation and control on the internal environment temperature and humidity of the integrated case unit. According to the method, rapid generation and result export of the three-dimensional model of the target area are realized through a closed-loop process of data acquisition by the unmanned aerial vehicle, cluster node parallel calculation and local aggregation optimization.

The invention relates to the technical field of printing machines, in particular to a screen printing machine with positioning and drying functions, the screen printing machine comprises a base, a sealing cover, a lifting moving mechanism and a fixing seat, and the sealing cover and the lifting moving mechanism are oppositely arranged above the base; compared with an existing screen printing machine, the screen printing machine is provided with the sealing frame, so that the steps of pretreatment, printing, drying and the like can be synchronously carried out, and then the working efficiency is improved. By means of the suction holes, the area, close to the suction holes, of the materials can be prevented from being sunken, and therefore it is guaranteed that ink can be evenly and completely conveyed to the surfaces of the materials; the materials printed with the ink can be dried through the fixing bases on the basis that it is guaranteed that the materials do not make contact with the external environment; and hot air after the ink is dried and waste gas generated when the ink is dried are continuously exhausted.

This invention discloses a portable, multi-purpose optical cable maintenance tool based on a cloud platform. The tool includes a main body equipped with: a light source for emitting light into the optical fiber; an OTDR testing module for detecting light attenuation and loss data; an optical power measurement module for measuring the optical power and relative loss of the optical fiber; a distributed optical fiber vibration monitoring system for sensing external vibrations and obtaining their location information; a control module for controlling the operation of each module; and a data processing unit for calculating and processing the attenuation and loss data, optical power and relative loss, and the location information of the external vibrations to determine the faulty optical fiber and its location on the fiber, and to generate a maintenance information sheet. This configuration allows for precise determination of the faulty optical fiber and its location, and enables the measurement of attenuation and loss data, optical power, etc., reducing the workload of maintenance personnel and making the tool more convenient to use.

The utility model discloses an aircraft recovery device and an aircraft, and relates to the technical field of aircrafts. The recycling bin is installed on the foundation, the end, away from the ground, of the recycling bin is of an opening structure, and a plurality of through holes are formed in the side wall of the recycling bin in the circumferential direction; the fixing mechanisms are arranged on the outer side of the recycling bin in the circumferential direction; the multiple locking mechanisms are rotationally connected to the multiple fixing mechanisms corresponding to the locking mechanisms, at least part of the locking mechanisms penetrate through the through holes and are located in the recycling barrel, and when the aircraft is recycled, the part of the locking mechanisms located in the recycling barrel abut against the bottom of the aircraft. And the locking mechanism located outside the recycling bin penetrates through the through hole and abuts against the outer wall of the aircraft so as to lock the aircraft. Therefore, according to the aircraft recovery device, the aircraft is prevented from carrying an undercarriage, the energy consumption of the aircraft is reduced, the flight performance of the aircraft is improved, and meanwhile, the recovery safety of the unmanned aerial vehicle is improved.

The invention discloses an intelligent trolley charging system and an intelligent trolley, the intelligent trolley charging system comprises a support frame, a plurality of wireless charging modules arranged on the support frame, a moving shaft and a carrying module movably mounted on the moving shaft, and the plurality of wireless charging modules are stacked in an array; the carrying module is suitable for loading the intelligent trolley to get close to or away from the corresponding wireless charging module, and the wireless charging module is suitable for loading the intelligent trolley and charging the intelligent trolley. By means of the design, the intelligent trolley charging system achieves three-dimensional arrangement of the charging positions through the supporting frame, use of plane space is greatly saved, even if a large number of trolleys need wireless charging, large charging space is not needed, and dispatching and using of the intelligent trolleys are more convenient; and a moving shaft is arranged, so that the carrying module can conveniently move horizontally and vertically on the moving shaft, the intelligent trolley can be conveniently conveyed to a corresponding charging position, the charged intelligent trolley can be conveniently dispatched to a specified microorganism assembly line to complete a transfer task, and the carrying work efficiency is improved.

This utility model relates to the field of coal chutes, specifically a curved coal chute, comprising a lower arc-shaped pipe and an upper arc-shaped pipe. The upper arc-shaped pipe is positioned at the top of the lower arc-shaped pipe, and a connecting flange is welded to the top of the upper arc-shaped pipe. Both the lower and upper arc-shaped pipes have wear-resistant layers on their outer sides. A first flow collector is welded to one end of the lower arc-shaped pipe. The first and second flow collectors on the inner sides of both the lower and upper arc-shaped pipes prevent coal from falling and carrying a large amount of air within the pipe. Both the lower and upper arc-shaped pipes are curved, which reduces the friction of the coal flow against the pipe wall, eliminating coal blockage and uneven coal distribution. The curved structure causes the coal to fall at a certain angle to the next section, rather than falling close to one side of the pipe wall. When it finally reaches the coal conveying device, the coal is dispersed and can fall evenly into the conveying device.

The invention discloses a water-gas separator and cleaning equipment. The water-gas separator comprises a first frame body and a second frame body, the first frame body is provided with a first slow flow cavity and an air inlet communicated with the first slow flow cavity; at least part of the structure of the second frame body is located in the first slow flow cavity and connected with the first frame body, the second frame body is provided with a second slow flow cavity, the second slow flow cavity is communicated with the first slow flow cavity, and the second frame body is further provided with an air outlet communicated with the second slow flow cavity; air flow sequentially passes through the air inlet, the first slow flow cavity, the second slow flow cavity and the air outlet. The water-gas separator is high in water-gas separation capacity, and the situation that airflow entering the fan still carries much water vapor can be prevented.

The invention provides a machine room dust prevention comprehensive treatment method and system and a medium, and relates to the technical field of machine room dust prevention. The method comprises the steps that movement of personnel is monitored through a gravity sensor, and when it is detected that the personnel enter a dust removal channel, a first dust removal device is started for dust removal; the dust sensor is used for monitoring the dust concentration in the environment in real time; and when it is monitored that the dust concentration exceeds the preset dust concentration threshold value, the second dust removal device is started for dust removal. The method, the system and the medium can solve the problems that a current machine room dustproof scheme mainly focuses on removing dust existing in a machine room and neglects the importance of preventing dust from entering, so that the dustproof effect is poor, and the dustproof effect is poor. A traditional dust removal method excessively depends on manual operation, so that the efficiency is low, and the continuous and efficient cleaning effect is difficult to achieve.

The utility model provides an ozone reaction tower and a wastewater treatment system based on the ozone reaction tower, and relates to the technical field of wastewater treatment, the ozone reaction tower comprises a water inlet, a water outlet, an aeration device, a filler area and an ozone generator; the aeration device is arranged above the water outlet; the filler area is arranged above the aeration device; and the ozone generator is communicated with the aeration device. The electrochemical reaction of iron-carbon micro-electrolysis and the catalytic ozone reaction of zero-valent iron are utilized, and ozone is decomposed to generate OH, so that the oxidation capacity is improved, and the types of oxidized organic matters are increased. Meanwhile, ozone is dispersed into small bubbles through the aeration device, so that the ozone is further fully mixed with the filler and the wastewater, and the catalytic ozone reaction efficiency is improved. The technical problem of low oxidation efficiency of a catalytic ozonation method in the prior art is solved.

The utility model discloses a step convenient for loading and unloading a container truck flat plate, which belongs to the technical field of carrying, and comprises a container truck and a pedal plate arranged at the rear end of the container truck, threaded fine holes are arranged at the top end of a rotating plate and on two sides of a stepping groove, and support legs are in threaded connection with the interiors of the threaded fine holes. Each supporting foot comprises a supporting rod and threaded grooves formed in the outer surfaces of the two ends of the supporting rod, an external threaded round block is installed at the top end of the supporting rod, the supporting rod provided with the threaded grooves is in threaded connection with the interior of the threaded slim hole, and when the rotating plate is parallel to the ground, one end of the supporting rod provided with the threaded grooves is in threaded connection with the interior of the threaded slim hole. The safety and convenience of a worker during flat plate carrying are improved through supporting legs at the bottom end of a rotating plate, a pedal plate is located at the rear end of the container truck, the worker is prevented from carrying a small stair, the rotating plate rotates into a rotating groove and a storage groove, an external thread round block is in threaded connection with the interior of a thread thick hole, the position of the pedal plate is fixed, and the pedal plate is stored.

The invention discloses laser processing equipment capable of preventing foreign matter invasion, the laser processing equipment capable of preventing foreign matter invasion comprises a laser emitting part, a gas spraying part and a foreign matter invasion preventing structure, the laser emitting part is provided with a laser emitting channel, the gas spraying part is connected with the laser emitting part, and the gas spraying part is connected with the gas spraying part. The gas ejection part is provided with a gas ejection channel, the gas ejection channel is used for ejecting protective gas, the foreign matter invasion prevention structure is arranged in the laser ejection channel, and the gas ejection channel is at least partially separated from the laser ejection channel. According to the scheme, the problems of high process cost, inconvenience in user operation and the like due to the fact that more protective gas is consumed in the process of laser processing equipment related to the related technology can be solved.

The utility model discloses a kind of diamond micro-powder particle multistage classification devices, specifically relates to diamond micro-powder classification technical field, including shell, shell bottom is fixedly connected with support, multiple collecting boxes are slidably connected in support inner side, shell top is fixedly connected with support frame, two fans are installed in shell side, fan output end is fixedly connected with air pipe, shell inner side is provided with classification collection mechanism;Classification collection mechanism includes concentrated frame one, concentrated frame one side is fixedly connected with concentrated frame two, concentrated frame two bottom is fixedly connected with shell inner side.The utility model utilizes multiple dispersion plate to carry out stratification dispersion to airflow, reduce the reunion and local accumulation of diamond micro-powder particle, simultaneously pass through air outlet pipe and filter plate to filter airflow to prevent particle exfiltration, and combine with the rotation friction of grinding ball and grinding seat and the splashing of vibration frame, optimize particle distribution, reduce energy consumption, improve classification accuracy, environmental protection.

The utility model relates to the technical field of detection rulers, in particular to a novel multifunctional civil engineering quality detection ruler which comprises a main body, a square groove is formed in the side surface of the main body, an angle measuring plate is movably connected in the square groove, a movable groove is formed in the inner bottom of the square groove, the inner bottom face of the movable groove penetrates through the lower surface of the main body, and the movable groove is in an L shape. A fixed column is fixedly connected into the movable groove, a rotating rod is movably connected to the outer surface of the fixed column, scales are arranged on the side surface of the main body, an inner cavity is formed in the lower surface of the main body, and a measuring scale is arranged in the inner cavity. According to the utility model, various detection tools can be concentrated, carrying of numerous tools is avoided, the detection process is simpler, time-saving and labor-saving, quality detection is facilitated, and the practicability of the detection ruler is improved.

The embodiment of the invention provides a security authentication method and device, and relates to the technical field of security. Comprising the following steps: receiving a first request message which is sent by a terminal and is used for acquiring a dynamic password, wherein the first request message comprises a first terminal identifier of the terminal; acquiring a first geographic position of the terminal according to the first terminal identifier; and generating a first dynamic password based on the first geographic position, and sending a first response message including the first dynamic password to the terminal. The invention can provide a more convenient, economical and efficient identity authentication method, the cost of identity authentication is saved, carrying of authentication equipment is avoided, the user experience is improved, meanwhile, the first dynamic password can be used for further verifying the geographical location information of an identity authenticator while completing identity authentication, and the user experience is improved. And the non-repudiation and reliability of identity authentication are improved.

The utility model provides a rainy season anti-overflow structure which comprises a pipe body, a filtering assembly and an anti-overflow assembly, the filtering assembly is movably installed at the upper end of the pipe body, the anti-overflow assembly is fixed in the upper end of the pipe body, and the anti-overflow assembly is arranged on the lower side of the filtering assembly. Compared with the prior art, the anti-overflow device has the advantages that the filter assembly is arranged, sewage can be effectively prevented from carrying impurities and garbage to reach the upper side of the anti-overflow assembly, accordingly, the main through hole and the auxiliary through hole are blocked, the whole anti-overflow assembly fails, the anti-overflow assembly is effectively protected, the service life of the anti-overflow assembly is prolonged, and due to the arrangement of the anti-overflow assembly, the service life of the anti-overflow assembly is prolonged. When rainwater is much in summer and sewage in a sewage pipe network flows back upwards from the lower side of the pipe body, the movable plate is pressed to be tightly clamped in the third clamping groove upwards, the circular plate and the third clamping groove in the lower side of the fixing base form sealing, and therefore backflow and overflow of the sewage are stopped.

The utility model provides a cervix uteri sampler which comprises a supporting rod. A spiked club is fixedly arranged at the top end of the supporting rod, a banister brush is fixedly arranged on the surface of the spiked club, a sleeve sleeves the surface of the spiked club, the sleeve and the spiked club are made of silica gel materials, a first ball head is fixedly arranged at the top end of the sleeve, an opening is formed in the middle of the top end of the first ball head, and a supporting plate is fixedly arranged at the bottom end of the sleeve. A rod sleeve in sliding connection with the supporting rod is fixedly arranged in the middle of the supporting plate, and a push-pull plate is fixedly arranged at the bottom end of the rod sleeve. The sleeve can be guided through the first ball head, the sleeve can be inserted into the cervix uteri, when the cervix uteri of a cervical atrophy patient and a conization postoperative patient is sampled, the sleeve can reach the sampling position, the sleeve can be taken down from the spiked bat through the opening by pulling back the sleeve, and then the spiked bat can be exposed; and the mace can brush cells in a scale column junction area through the banister brush, so that the accuracy of a sampling position is ensured.

The present invention relates to the technical field of oil filtration, and specifically discloses a device and method for removing slag from crude oil for carbon black production, comprising: a support component, a filter cloth, an adjustment component and a driving source, wherein the support component is arranged in a circular array along the axis of a storage chamber, the filter cloth is annular, the adjustment component is arranged at both ends of the support component, the adjustment component is rotatably connected to the storage chamber, the adjustment component and the filter cloth are combined to form a filter chamber, and the filter chamber rotates around the axis of the storage chamber; the device and method for removing slag from crude oil for carbon black production of the present invention can keep the oil in good fluidity during filtration, increase the pressure in the filter chamber when cleaning the filter cloth, and discharge the oil in the filter chamber quickly, so as to reduce the number of times and the time required for cleaning the filter screen.

The present invention relates to an environmentally friendly pressure-relief powder collection device, comprising a powder processor, the inlet of the powder processor is connected to the outlet of a collection tank, the inlet of the collection tank is connected to the outlet of a feed pipe; an air discharge pipe is provided on the collection tank, one end of the air discharge pipe is connected to the internal cavity of the collection tank, and the other end is connected to an external environment whose air pressure is lower than the air pressure in the collection tank through a filter bag; a windshield material guide component is provided in the collection tank, and the windshield material guide component provides a guide channel for the powder to automatically fall to the outlet at the bottom of the collection tank under the action of gravity. The present invention replaces the existing air shut-off fan, solves the technical problems of high failure rate, powder pollution and low production efficiency, does not use rotating machinery, has high unloading efficiency, low failure rate, high reliability, good environmental performance, and is suitable for application in various powder unloading sites.