347 results about "Metal dust" patented technology

The invention belongs to the technical field of other metal machining machinery manufacturing, and particularly relates to pipeline inner wall grinding equipment which comprises a machine body, a first guide rail is fixedly connected to the upper surface of the machine body, a first guide groove is formed in the first guide rail, and two sliding tables are slidably connected into the first guide groove; a storage box is fixedly connected to the upper surface of one sliding table, a first hydraulic cylinder is fixedly connected to one side of the storage box, a grinding wheel is arranged at the output end of the first hydraulic cylinder, a positioning table is fixedly connected to the upper surface of the other sliding table, and a limiting ring and a limiting plate are fixedly connected to one side of the positioning table. A limiting groove is formed between the limiting plate and the limiting ring, a grinding assembly is arranged on one side of the first hydraulic cylinder and comprises a motor fixedly connected to the output end of the first hydraulic cylinder, and a positioning disc is fixedly connected to one side of the motor. The problem that metal dust generated during grinding is accumulated on the inner wall of the pipeline, and the pipeline grinding quality is affected is solved.

The invention relates to a negative pressure dust collection type cutting machine, and belongs to the technical field of cutting machines, the negative pressure dust collection type cutting machine comprises a cutting machine workbench, a cutting module, a negative pressure dust collection module, an explosion-proof filtering system and a control system, the cutting module comprises a three-dimensional five-axis cutting mechanism and a high-power laser cutting head, and the high-power laser cutting head is loaded at the driving end of the three-dimensional five-axis cutting mechanism. The dust collector has an anti-explosion effect and an environment-friendly discharge function, and is provided with an anti-static pipeline, an inert gas injection device and a spark catcher aiming at flammable metal dust, so that the explosion risk can be remarkably reduced, multi-stage filtration is carried out by adopting the sintered metal filter cartridge, the HEPA filter screen and the like, discharged air meets the environment-friendly standard, the sewage problem of traditional wet dust collection is avoided, and the dust collector is suitable for popularization and application. And the metal plate is fixed through the evenly-distributed adsorption holes, plate deviation caused by vibration or scrap accumulation in the cutting process is prevented, and the precision of the cutting path is improved.

The invention discloses an accessory welding device for water pump production, and particularly relates to the field of water pump welding, the accessory welding device comprises a working box, an equipment cavity is formed in the upper end of the working box, and a panel is fixedly mounted on the upper portion of the inner wall of the equipment cavity. According to the accessory welding device for water pump production, the dust suction assembly is arranged, welding fume and metal dust generated in the welding process can be captured in real time by arranging a plurality of circumferentially-distributed air suction funnels and an air pump, the welding fume enters a dust collection cavity through a first connecting pipe, and after the welding fume is filtered through a filter screen, the dust is collected; purified air is discharged through the air outlet pipe, so that pollution of welding fume to the working environment is effectively avoided, and the health of operators is protected; the discharging hole channel is periodically opened and closed through the dust collecting device, directional flowing of dust is achieved, meanwhile, the second scraper rotates on the conical block, the dust in the dust collecting cavity is scraped into the second collecting cavity and finally falls into the dust collecting box, dust accumulation is avoided, and long-term stable operation of equipment is guaranteed.

The invention relates to the technical field of laser cutting, and discloses a door and window manufacturing laser cutting device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a sliding cavity, a clamping mechanism comprises a clamping box, the clamping box is slidably connected with the inner wall of the sliding cavity through a sliding block, and the two sides of the clamping box are fixedly connected with movable cavities. A resistance assembly is arranged on the inner wall of the movable cavity, the inner wall of the clamping box is fixedly connected with a covering film, the inner wall of the covering film is fixedly connected with an absorption pipe, the absorption pipe is fixedly connected with the inner wall of the clamping box, and the surface of the clamping box is fixedly connected with a dust removal ring. Through the arrangement of the clamping mechanism, a part of metal dust can enter an absorbing pipe through an absorbing groove in the surface of a covering film, activated carbon is installed in the absorbing pipe, the metal dust can be absorbed into the absorbing pipe through the absorbing pipe, and the metal dust splashed to the outer side during laser cutting of doors and windows is absorbed; therefore, metal dust is prevented from adhering to the outer sides of doors and windows.

The invention relates to the technical field of non-ferrous metal dust treatment, and provides a pneumatic cyclone tower for explosive aluminum magnesium dust treatment and a dust removal method of the pneumatic cyclone tower. The spraying tower is fixedly mounted at the top of the base, and the inner wall of the center of the spraying tower is rotationally connected with a long rod; the windmill blades are fixedly mounted at the top end of the long rod, and a water sprayer is fixedly mounted on the inner wall of the spray tower. The motor drives the long rod to drive the windmill blades to rotate, the windmill blades are matched with the water sprayer to form spiral rotating airflow, and the collision fusion efficiency of dust and liquid drops is improved; the long rod synchronously drives the scraping plate to scrape dust accumulated on the tower wall, multi-stage filtration is achieved in cooperation with the filter screen, and waste water is recycled through the water return pipeline. The scheme solves the problems that existing equipment is low in dust removal efficiency and difficult to clean, and has the advantages of being efficient, low in energy consumption and easy to maintain.

The utility model belongs to the technical field of metal table production, and discloses punching equipment for metal table production. The drilling device comprises a workbench, a through hole is formed in the top of the workbench in a penetrating mode, a mounting frame is arranged at the top of the workbench, a drilling assembly used for drilling a metal plate is arranged on the mounting frame, and a dust suction assembly used for sucking and removing metal chippings generated in the drilling process is arranged on the workbench. The mounting frame is further provided with an air cylinder used for driving the punching assembly to move in the vertical direction, the workbench is provided with a clamping assembly used for clamping the metal table plate to be punched, a worker starts the dust collection assembly, metal dust generated in the metal table plate punching process can be collected, and the metal table plate can be conveniently punched. And the probability that metal dust flows along with air and scatters around is reduced, and then the cleanliness of the table top of the working table is improved.

The invention discloses a high-precision polishing and grinding device for machining a valve element of a stop valve, and belongs to the technical field of valve element polishing machining. The high-precision polishing and grinding device comprises an equipment base placed in a workshop, a polishing motor is installed on the outer side of the equipment base through a frame body in a lifting mode, and a polishing head is fixedly installed at the output end of the polishing motor; a polishing seat is further fixedly mounted above the equipment base, a center shaft is rotatably mounted on the inner side of the upper portion of the polishing seat, the center shaft is in transmission connection with a polishing head through a linkage transmission assembly, and side shafts rotatably connected with the polishing seat are evenly arranged on the outer side of the center shaft. The center shaft and the side shafts are in transmission connection through transmission gear sets, and clamping and positioning assemblies are arranged at the tops of the side shafts. According to the high-precision polishing and grinding device for machining the valve element of the stop valve, synchronous and automatic positioning and polishing of the valve element at multiple stations can be achieved, the polishing efficiency is high, and polishing liquid and metal dust can be efficiently treated and recycled in the polishing process.

The invention discloses multi-axis linkage grinding equipment for cast iron cooker machining, and relates to the technical field of cooker grinding, and the multi-axis linkage grinding equipment comprises an equipment main body, a grinding head and a rotating disc; an extension frame is mounted on the outer wall of the grinding head, a mounting frame is mounted on the extension frame, and a high-pressure spray gun is rotationally mounted on the mounting frame. The high-pressure spray gun is obliquely aligned to the contact point of the grinding head and the cast iron pan, when the high-pressure spray gun transversely moves along with the grinding head, the transmission wheel and the friction wheel are matched to drive the push plate mechanism, the spray gun swings in a reciprocating mode to expand the air injection range, metal dust and abrasive belt chippings are accurately blown away, dust attachment is avoided, the grinding precision is prevented from being affected, meanwhile, the abrasive belt is cooled, and the service life of the abrasive belt is prolonged; meanwhile, the dust collecting cover covers a polishing area through an avoiding groove, dust overflowing is reduced through a rubber dust blocking curtain, a dust suction groove and an exhaust fan are in linkage for air suction, and suspended dust is rapidly sucked away; the supporting frame and the polishing track are staggered, it is guaranteed that dust collection does not interfere with multi-axis linkage polishing, the dust concentration of a workshop is greatly reduced, and the health of operators is protected.

The application belongs to the technical field of other metal processing machinery manufacturing, in particular to a pipeline inner wall polishing equipment. The upper surface of the machine body is fixedly connected with a first guide rail. A first guide groove is arranged in the first guide rail. Two sliding tables are slidably connected in the first guide groove. The upper surface of one of the sliding tables is fixedly connected with a storage box. One side of the storage box is fixedly connected with a first hydraulic cylinder. The output end of the first hydraulic cylinder is provided with a polishing wheel. The upper surface of the other sliding table is fixedly connected with a positioning table. One side of the positioning table is fixedly connected with a limiting ring and a limiting plate. A limiting groove is arranged between the limiting plate and the limiting ring. One side of the first hydraulic cylinder is provided with a polishing assembly. The polishing assembly comprises a motor fixedly connected with the output end of the first hydraulic cylinder. One side of the motor is fixedly connected with a positioning disc. The pre-treatment assembly and the adsorption roller are arranged to solve the problem that the metal dust generated by polishing is accumulated on the inner wall of the pipeline, affecting the polishing quality of the pipeline.

The invention provides a fusion reactor tungsten-based dust electron beam melting tritium removal and solidification recovery system, and particularly discloses a metal dust recovery system which comprises a fusion reactor main machine vacuum chamber and a dust collecting and feeding unit, the dust collecting and feeding unit is connected with the fusion reactor main machine vacuum chamber, and the fusion reactor main machine vacuum chamber is connected with the fusion reactor main machine vacuum chamber. The dust collecting and feeding unit is connected with the fusion reactor main machine vacuum chamber and used for collecting dust generated by the fusion reactor main machine vacuum chamber, the high-temperature deuterium removal smelting treatment unit is connected with the dust collecting and feeding unit and used for treating the dust collected by the dust collecting and feeding unit, and the solid ingot block transferring and storing unit is connected with the high-temperature deuterium removal smelting treatment unit. And the solid ingot transferring and storing unit is connected with the high-temperature deuterium removal smelting treatment unit and used for transferring and / or storing the dust treated by the high-temperature deuterium removal smelting treatment unit, and the metal dust recycling system is efficient and safe.

The utility model discloses a safe explosive metal dust collecting device for machining, which comprises a collecting box and a connecting pipe connected to one side of the collecting box, a mesh enclosure assembly is arranged on the collecting box, and the mesh enclosure assembly comprises a filter mesh enclosure, a fixing frame, a top groove, a top box, a fixing handle, an air pump and a limiting clamping block; through the designed mesh enclosure assembly, dust can be intercepted and automatically cleaned, a filter mesh enclosure in the mesh enclosure assembly can intercept and filter the dust, an air pump is periodically started by personnel to drive a fixing handle and the filter mesh enclosure to ascend and descend, and when the filter mesh enclosure moves, the dust can be automatically cleaned. According to the dust removal device, the limiting clamping blocks between the filter screen cover and the fixing frame can be mutually staggered and extruded, so that the filter screen cover is vibrated, dust on the surface of the filter screen cover can be vibrated down through vibration, the dust removal purpose is achieved, and through the design, the dust removal convenience is improved, and convenience is provided for personnel.

The invention discloses a negative pressure collection and explosion-proof safety treatment system for metal dust in an electromagnet manufacturing process, which comprises a dust negative pressure collection unit, a ferromagnetic dust separation unit, a multi-stage filtration explosion-proof unit, a dust recovery unit and an intelligent control unit which are sequentially connected through corrosion-resistant metal pipelines, the dust negative-pressure collecting unit comprises a customized air suction cover, an embedded ground air suction opening and a movable negative-pressure dust suction gun; the ferromagnetic dust separation unit comprises an electromagnetic separation barrel, and a spiral flow guide channel is arranged in the barrel and is matched with a compressed air back flushing device; the multi-stage filtering explosion-proof unit comprises a first-stage cyclone separator and a second-stage HEPA efficient filter, an explosion-proof and explosion-proof layer is arranged on the outer side of the multi-stage filtering explosion-proof unit, and the multi-stage filtering explosion-proof unit is provided with a spark The intelligent control unit adopts a PLC control system, is connected with a dust concentration sensor, a temperature sensor and a pressure sensor, and supports remote monitoring and fault diagnosis. By means of the system, zero explosion risk, low emission and resource recycling of electromagnet manufacturing process dust are achieved.

The invention relates to a linear walking direction stacking deviation rectifying device and a method thereof, and belongs to the technical field of logistics storage equipment.The method comprises the steps that S1, a stacking machine walking system is arranged; s2, constructing a contact stress characteristic value when the guide wheel is pressed; s3, executing dead zone judgment based on a steady-state interval; and S4, performing active deviation correction through cooperation of the execution force and the displacement. By arranging the floating type main wheel deflection base and the micro-deflection driving mechanism, a traditional rigid connection mode is changed, when it is detected that the vehicle body deviates, the main walking wheels are driven to generate a micro yaw angle, the vehicle body is pushed back to the center of a rail through transverse component force generated by kinetic energy generated by advancing of the stacking machine, and the vehicle body is driven to move forwards. In this way, violent extrusion between the guide wheel and the rail is avoided, generation of metal dust and operation noise are effectively reduced, and the service life of the guide wheel is prolonged.

1. The name of this design product: Transport trolley (magnetic removal type). 2. Purpose of this product: This product is used to transport materials in the oven and to absorb metal dust. 3. The key point of the design of this product lies in the shape of the product. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

A system and method using remote sensing instrument with hyper spectrum quantitatively measure metal dust elements in lubricating oil, which includes (not limited): Al, Cd, Cr, Cu, Fe, Pb, Mg, Mn, Mo, Ni, Ag, Sn, Ti, V, Zn, B (Boron, for Coolant), Ca (Calcium for water contaminant), and particle size, cone penetration, dropping point, steel mesh oil separation, moisture, PQ concentration, in few seconds. The instrument integrates near-field communication (NFC), Internet of Thing (IoT), Cloud computing, spectral matching and other data processing, and application software forming a system to easily operated and build a model enable self-learning to improve precision through collection accumulation. With the system, the instrument as FIG. 1 can provide comprehensive on-site analysis enable preventive maintenance of mission critical engine and rotating equipment. The characteristics of the system are easy to operate, get result quickly, and self-learning to improve precision.

The invention relates to a method and a system for testing explosion characteristics of metal dust in an SF6 gas environment. The system comprises the following steps: acquiring a metal dust sample with preset mass; plate electrodes are arranged at the top and the bottom in a gas insulation test cavity respectively, and the metal dust sample is flatly laid on the plate electrode at the bottom of the gas insulation test cavity; the gas insulation test cavity is vacuumized and then filled with SF6 insulation gas; voltage is applied to the plate electrode in a preset mode, so that a controllable electric field is formed in a dust space concentration area, and a physical signal representing discharge is synchronously monitored; and iterating the process by increasing the mass of the metal dust sample until a physical signal indicating explosion or breakdown is monitored, stopping iteration, and recording the current voltage value and the corresponding concentration of the metal dust sample to obtain the explosion triggering critical condition of the metal dust in the insulating gas environment.

The utility model discloses a pressure vessel welding device with a positioning structure, which relates to the technical field of welding devices and comprises a welding device body and a support plate, the bottom of the welding device body is movably mounted with the top of the support plate, and the top of the support plate is fixedly connected with a support adjusting component. The rear side of the top of the supporting plate is fixedly connected with a ventilation collecting assembly. The supporting and adjusting assembly is matched with the ventilation and collection assembly to stably and conveniently suck and collect metal dust generated by machining of the welding device body, and the problems that an existing welding device is not provided with a smoke removal device in the using process, so that the metal dust generated in the using process of the welding device is prone to being sucked by workers; the welding device solves the problems that when the welding device is used, the body health of workers is affected, the working efficiency of the workers is reduced, inconvenience is caused in use, and the use effect of the welding device is reduced, and the ventilation and filtering effects are achieved.

The utility model relates to the technical field of hardware polishing workbenches, and discloses a posture-adjustable hardware polishing workbench which comprises a base, a rack is fixedly arranged on the base through bolts, two rotating bearing seats are fixedly arranged at the upper end of the rack through bolts, and the two rotating bearing seats are arranged in a bilateral symmetry mode. A rolling bearing seat is arranged on the base, a roll-over stand is arranged in the rolling bearing seat, the roll-over stand rotates under the action of the rolling bearing seat, a plurality of motors are fixedly arranged on the roll-over stand at intervals, and polishing discs used for polishing are fixedly arranged at the front ends of rotating shafts of the motors. According to the device, the polishing posture is conveniently adjusted, multi-station polishing can be carried out, in addition, polishing metal dust can be collected in time through the dust collection system, and the influence on the respiratory tract is reduced.

The application relates to the technical field of plane polishing devices, and discloses an aviation part machining device, which comprises a machine tool assembly, the machine tool assembly comprises a workbench, a wind cooling pipeline is fixedly installed at the top of the workbench, a wind guide pipe is fixedly communicated on one side of the wind cooling pipeline, a cylinder is fixedly communicated at the top of the wind guide pipe, a fan is installed at one end of the cylinder, a dust collecting box is fixedly communicated at the top of the cylinder, a filter air assembly is sleeved on the inner side of the cylinder, the fan blows metal dust into the cylinder, the dust is separated from airflow through the filter air assembly, the dust enters the dust collecting box to reduce equipment abrasion, the airflow enters the wind cooling pipeline to inhibit workpiece deformation, a chip outlet and an air outlet are arranged at the top and the bottom of the cylinder respectively, the filter air assembly is moved to dynamically change the closure of the chip outlet and the air outlet, airflow and dust are separated, and the problem that the metal dust generated during polishing invades the joints and guide rails of a robot to cause abrasion is solved.

The invention provides active split washing circulating cleaning equipment, and relates to the technical field of industrial fluid treatment, the active split washing circulating cleaning equipment comprises a box body, a recovery assembly and a liquid outlet pipeline, and a negative pressure generation device, a liquid level regulation and control assembly and a filter screen are sequentially arranged in the box body from top to bottom; the filter screen is arranged in the middle of the box body and divides the bottom of the box body into a water purification area; the liquid level regulation and control assembly is used for controlling the liquid level of the cooling liquid in the box body to be located between the filter screen and the negative pressure generation device; the recycling assembly is connected with a collecting pipeline, and the end of the collecting pipeline penetrates through the side wall of the box body and extends to the position between the filter screen and the liquid level adjusting and controlling assembly. The liquid outlet pipeline is communicated with the bottom of the box body and is used for leading out the cooling liquid in the water purification area. According to the technical scheme, the multiple pollution problems of metal dust, oil mist and cutting fluid in a small numerical control machine tool and a machining center can be solved at the same time.

The utility model discloses a dust removal system of a titanium bar polishing machine, and relates to the technical field of dust removal equipment. The dust collection device comprises a supporting frame, the upper end of the supporting frame is fixedly connected with a dust collection fan, and an air inlet of the dust collection fan is fixedly connected with a first dust collection pipeline through bolts. According to the dust collection device, through multi-stage filtration of the coarse-mesh filter screen, the medium-mesh filter screen and the fine-mesh filter screen, dust and scraps of different sizes can be effectively removed, the dust collection efficiency is improved, the dust concentration is monitored in real time through the dust sensor, the dust collection effect is ensured, and dust pollution to the working environment is reduced; by optimizing the design of the dust suction device and the filtering and purifying device, metal dust and chippings are efficiently captured and purified, the polishing operation environment is remarkably improved, the dust concentration in the operation environment is effectively reduced, the risk that operators inhale dust is reduced, the health of the operators is protected, and meanwhile the service life of the polishing machine is prolonged.

The invention discloses a charging pile dustproof control method and device, and the method comprises the steps: obtaining target dust data, the target dust data is used for representing the dust condition of airflow entering a target assembly, and the target assembly is an air inlet assembly or an air outlet assembly; determining a target dustproof strategy according to the target dust data and the target component, wherein the target dustproof strategy is used for generating a target dustproof airflow; and executing the target dustproof strategy to prevent dust from entering the charging pile through the target dustproof airflow. Thus, the target dust data is obtained, the target dust prevention strategy for generating the target dust prevention airflow is determined according to the target dust data and the target assembly into which the dust enters, and then the corresponding target dust prevention airflow is used for preventing the dust from entering the charging pile. Therefore, the charging pile can dynamically adjust the dustproof strategy according to the dust condition of the entering airflow monitored in real time and the position of the entering airflow so as to generate the dustproof airflow for preventing fine dust and metal dust from entering the charging pile, the safety of the charging pile is improved, and the service life of the charging pile is prolonged.

The invention relates to the technical field of dust purification, in particular to an air purification device for a high-dust workshop, which comprises a water bath box body, a fan box body communicated with the water bath box body is arranged at the top of the water bath box body, a suction device is arranged in the fan box body, an exhaust device is arranged at the top of the fan box body, and an air inlet pipe is arranged on one side of the middle of the water bath box body. An electromagnetic adsorption device is arranged at the bottom of the water bath box body, and a gas guide device is arranged on one side, close to the gas inlet pipe, in the water bath box body. The water bath box body is provided with the water spray, the water spray is used for washing powder-containing gas passing through the water, metal dust, dust and the like in the gas are all cleaned into the water, clean gas enters the fan box body and is exhausted to the outside through the exhaust device, and as the electromagnetic adsorption device is arranged at the bottom of the water bath box body, the metal dust can be adsorbed to the bottom of the water bath box body through the electromagnetic adsorption device; the metal dust is prevented from being re-suspended into a gas phase from water, so that the dust purification effect is reduced, and the metal dust is prevented from turning over along with water spray at the bottom of the water bath box body.

The utility model relates to the technical field of cable production, in particular to an insulated cable shielding layer surface polishing device, which cleans and polishes impurities adhered to the surface of a shielding layer belt through a polishing device, blows off residual metal dust on the surface of the shielding layer through a cleaning device, and polishes the surface of the shielding layer belt through a polishing device. Metal dust and chippings generated in the polishing process are collected through the collecting device, pollution to the operation environment is reduced, and the practicability of the device is improved; comprising a bottom plate, a rack and a tray, and the tray is mounted on the left portion of the upper end face of the bottom plate through the rack; comprising a grinding device, a collecting device and a cleaning device, the grinding device is installed on a bottom plate, the cleaning device is installed on the grinding device, and the collecting device is installed on the grinding device.

The utility model belongs to the technical field of steel bar bending, and particularly relates to a steel bar bending device for constructional engineering, which comprises an equipment body, and a fixing column is fixedly connected to the middle of the top side of the equipment body. Efficient collection and purification of metal dust in bending operation are achieved, the breathing environment of workers is remarkably improved, a filter barrel in the collection barrel is detachably designed, dust can be regularly cleaned, resource recycling is achieved, through cooperation of an infrared sensor and an alarm, activities of people around a bending area are monitored in real time, and the working efficiency is improved. When an operator is detected to be close to a dangerous area, the alarm immediately triggers an alarm to forcibly remind the operator to evacuate, the temperature change of the bending position is monitored in real time through the temperature sensor, and when the bending temperature abnormally rises every time, the system automatically adjusts the rotating speed of the driving motor and reduces the bending speed.

The present invention relates to the technical field of automobile repair and polishing equipment, and specifically to an explosion-proof automobile paint repair dry polishing device and dry polishing method. The device comprises a processing box, a polishing machine, a polishing sheet and an exhaust pipe, and the processing box is provided with a sealed door. The device can adsorb the dust generated by dry polishing through a filtering and collecting mechanism, and then adsorb the dust through an electrostatic roller. At the same time, the electrostatic roller can be moved laterally and up and down by a driving motor and an electric push rod, thereby adsorbing dust at different positions and heights. When the adsorption is good, the dust on the surface of the electrostatic roller can be swept by an output motor and a brush roller. At the same time, the water pump can be started to spray water mist with multiple spray nozzles, thereby reducing the resin dust and placing it in a collection box, thereby classifying and storing the dust, which is convenient for the later collection of metal dust for recycling.

The utility model provides automatic casting forming equipment, which relates to the technical field of casting forming, and comprises a forming mechanism, a processing mechanism is arranged on the forming mechanism, the processing mechanism comprises two shells, two sliding chutes and a collecting shell, and fans are arranged on the opposite sides of the two shells. According to the automatic casting forming equipment, the processing mechanism is arranged, so that the automatic casting forming equipment has the function of processing metal dust generated in the casting production process, that is, when the automatic casting forming equipment utilizes the metal powder to produce castings, the metal dust generated in the casting production process can be processed, and the production efficiency is improved. Therefore, the situation that the respiratory system of a worker is seriously damaged due to generated metal dust is avoided, meanwhile, the follow-up cleaning difficulty of the equipment is increased, the using effect of the automatic casting forming equipment is improved, and meanwhile the using efficiency of the automatic casting forming equipment is improved.

The invention belongs to the technical field of dust removal equipment, and particularly relates to a negative pressure dust collection device for a straight wire drawing belt sander, the negative pressure dust collection device comprises a dust collection box and a sealing box door, the inner wall of the dust collection box is fixedly connected with a partition plate, and the upper surface of the partition plate is fixedly connected with a suction fan. The negative-pressure dust collecting device can comprehensively absorb metal dust generated by abrasive belt grinding of a steel wire to be boronized under negative pressure, the situation that the metal dust overflows to pollute the environment and harm the health of workers is avoided, the environment friendliness of the wire drawing process is improved, and the device has the online dust removing function through the pulse cleaning mechanism; two dust collecting cloth bags alternately run, so that the use continuity is improved, meanwhile, the device further has the function of aggregating metal powder into blocks, the situation that secondary pollution is generated due to the fact that the metal powder drifts away again in the discharging process of the metal powder in the device is avoided, and the use reliability and efficiency of the device are improved; and the dust-collecting and environment-friendly effects of the device are improved.

The utility model belongs to the technical field of dust filtration, and relates to a movable high-specific-metal dust self-cleaning two-stage dust removal system which comprises a primary cyclone pre-filtration device, a secondary filter element filtration device, a dust collection device, a blowing device, a dust suction device and a box body, the air inlet is communicated to an inlet of the first-stage cyclone pre-filtering device, an outlet of the first-stage cyclone pre-filtering device is communicated to a filtering inlet of the second-stage filter element filtering device, a filtering outlet of the second-stage filter element filtering device is communicated to an inlet of the dust suction device, and an outlet of the dust suction device is communicated to the air outlet; according to the utility model, the dust pretreatment device of the cyclone dust removal barrel and the dust secondary filtering device consisting of the four groups of filter elements are adopted to jointly form a two-stage dust removal system, the dust on the filter elements is cleaned and recycled in a pulse blowing manner, and the dust removal device has the advantages of high automation degree, remarkable dust removal effect, small occupied area and the like.