54results about How to "Realize centralized collection" patented technology

The invention discloses an efficient low-carbon vertical tank supergravity mixed magnesium smelting device and method.The device comprises a furnace body and a supergravity solid-liquid mixing system, and the supergravity solid-liquid mixing system comprises a first-stage material gathering taper pipe fixedly arranged in the furnace body and a second-stage material gathering taper pipe provided with a discharging port; a liquid-solid mixing reaction material tank internally and fixedly connected with a solid raw material distributing plate is arranged above the first-stage material gathering taper pipe, the liquid-solid mixing reaction material tank is fixedly connected with a solid raw material feeding pipe provided with a solid raw material feeding vacuum valve, and the solid raw material feeding pipe is rotationally connected with the furnace body and connected with a transmission assembly. A liquid-state reducing agent atomizing disc is fixedly arranged in the liquid-solid mixing reaction material tank and is rotationally connected with a liquid-state reducing agent feeding pipe provided with a liquid-state reducing agent feeding vacuum valve; the furnace body is connected with the magnesium steam collecting system, the magnesium steam collecting system is connected with the vacuumizing system, and a slag outlet is formed in the bottom of the furnace body and connected with a sealing piece. According to the invention, the reaction efficiency is improved, the energy consumption is reduced, and energy conservation and emission reduction are realized.

The invention relates to the technical field of casting equipment, and particularly discloses a molding sand treatment device for casting a tractor saddle support, which comprises a rack, a coarse sieve plate is arranged at the upper part of the rack, a screening mechanism and a cleaning mechanism are further arranged on the rack, the screening mechanism comprises a fine sieve plate, a crushing plate and an adsorption assembly, and the fine sieve plate is obliquely arranged below the coarse sieve plate; the crushing plate is obliquely suspended above the fine screen plate, a wedge-shaped crushing gap is formed between the crushing plate and the fine screen plate, the caking molding sand can be rubbed and crushed through reciprocating movement of the crushing plate, the adsorption assembly comprises a plurality of magnetic mounting plates arranged below the fine screen plate, and the cleaning mechanism comprises a scraper blade and a collecting box. The collecting box can push the vertically drooping mounting plate to turn over to a cleaning state, the scraping plate scrapes and sweeps the surface of the turned mounting plate, and the collecting box moves along with the scraping plate and collects scraped scrap iron; according to the invention, screening, crushing and iron removal operations in a non-stop state are realized, and the production efficiency is greatly improved.

The utility model discloses a connecting copper bar numerical control punching machine which comprises a working table, two sets of translation mechanisms and punching mechanisms, the translation mechanisms are installed at the top of the working table, the punching mechanisms are installed at the two moving ends of the translation mechanisms, a copper bar is arranged at the top of the working table, and the copper bar is arranged on the working table. Two clamping assemblies used for positioning a copper bar to be punched are arranged at the top of the workbench, a discharging groove is formed in the top of the workbench, and a collecting box is detachably installed at the bottom of the workbench, so that waste generated in the copper bar punching process can directly fall into the collecting box through the discharging groove; by means of the design, centralized collection of waste materials is achieved, the waste materials are prevented from scattering around equipment at will, the environmental sanitation of a production site is greatly improved, a workshop is neater and more orderly, management of the production site and activities of operators are facilitated, the cleanliness and safety of the production site are effectively improved, and convenience is brought to management of the production site.

The utility model solves the problem that a long pause period can be generated during batch drilling of glasses frames, and relates to the technical field of drilling equipment, in particular to glasses frame positioning and drilling equipment which comprises a bearing table, a drilling mechanism is mounted on the bearing table, and a supporting and placing assembly is mounted on the bearing table. The supporting and placing assembly comprises two vertical plates fixedly installed on the bearing table, the opposite sides of the two vertical plates are rotationally connected with circular plates, a plurality of glasses frame clamping tables are rotationally installed between the two circular plates, and balancing weights are installed at the bottoms of the glasses frame clamping tables; a driving structure which is in transmission connection with one of the circular plates is mounted on the top surface of the bearing table, and an abutting assembly which is used for maintaining the balance of the glasses frame clamping table during drilling of the glasses frame and abutting embedded glasses from top to bottom is mounted at the top of the bearing table. According to the utility model, the continuity of multi-quantity glasses frame drilling can be ensured, and the processing efficiency is improved.

The invention discloses a dust collecting and treating device for dry-type purification of wollastonite, and belongs to the technical field of dust treatment.The dust collecting and treating device for dry-type purification of wollastonite comprises a treating box, a collecting pipe is arranged at the bottom of the treating box, a closing assembly is arranged at the bottom of the collecting pipe, and an air inlet pipe is arranged on the treating box; an air guide pipe is rotationally connected into the treatment box, one end of the air guide pipe is rotationally connected with the air inlet pipe, a plurality of air outlets are longitudinally distributed in the air guide pipe, an exhaust pipe is rotationally connected into the treatment box, a rotating assembly is arranged on the treatment box, a plurality of filtering holes are circumferentially distributed in the exhaust pipe, a dust removal assembly is arranged on the exhaust pipe, and an air guide plate is arranged in the treatment box; the bottom of the inner side of the treatment box is provided with a cleaning assembly, the collecting pipe is internally provided with a flattening assembly located between the cleaning assembly and the closing assembly, and the device has the advantages of wind direction adjustment, efficient and uniform dust removal, automatic cleaning, centralized collection, efficient flattening, simple structure, convenient operation, simplicity, convenience and practicability.

The utility model relates to a metal workpiece deburring magnetic force grinding machine, including the grinding groove, the bottom surface of grinding groove is inclinedly arranged from non discharge end to one end close to the discharge port, the side wall of the high end of inclination of grinding groove is provided with the discharge port, the corresponding bottom of grinding groove under the discharge port is provided with the clamping groove, and the tray is detachably connected in the inside clamping groove, the magnetic force main shaft is equipped with in the bottom of grinding groove, the magnetic force main shaft can slide along the inclination direction of the bottom surface of grinding groove, and its magnetic adsorption end contacts the abrasive in the grinding groove, the bottom surface of grinding groove is inclinedly arranged, and the slidable magnetic force main shaft is matched, and the abrasive is actively pushed along the inclined bottom surface to the discharge port by the magnetic adsorption effect, finally falls into the detachable tray, realizes the automatic collection and centralized collection of abrasive, avoids manual cleaning, significantly improves the efficiency, the tray is detachably connected in the clamping groove, and the abrasive can be directly drawn out to collect after grinding, and additional tools are not needed, and the operation convenience is further improved.

This utility model relates to the technical field of building material processing equipment, specifically to a multi-stage aggregate particle size screening device. The multi-stage aggregate particle size screening device includes a frame, screening components, a feeding conveyor belt, and a multi-stage discharge conveyor belt. The screening components are inclinedly arranged on the upper part of the frame. The feeding conveyor belt is parallel to the screen components above them for feeding aggregates to be screened. The multi-stage discharge conveyor belts are arranged sequentially from top to bottom below the screen components for receiving screened aggregates of different particle sizes. The screening components include a frame plate, screen bars, and hopper plates. The frame plates are symmetrically installed on the upper part of the frame. The screen bars are spaced apart along the length of the frame plates and divided into multiple rows along the height direction. The screening gap between each row of screen bars decreases progressively from top to bottom. Each row of screen bars has a hopper plate at its discharge end, with the hopper plate length decreasing progressively from top to bottom. A motor is installed on the outside of the frame plate.

The present invention provides an intelligent transport pipeline and monitoring system, including a plurality of sub-pipelines connected end to end. Any sub-pipeline includes a plurality of fiber grating sensors, a plurality of micro-electromechanical system sensors, a plurality of passive micro-electromechanical system sensors, a plurality of distributed sensors and a monitoring module. The sub-pipeline is a hollow structure, and the fiber grating sensors and micro-electromechanical system sensors are arranged in a point-like manner on the outer wall of the sub-pipeline. The distributed sensors are arranged in a linear manner on the outer wall of the sub-pipeline. The passive micro-electromechanical system sensors are arranged in a point-like manner on the inner wall of the sub-pipeline. Each fiber grating sensor, micro-electromechanical system sensor, passive micro-electromechanical system sensor and distributed sensor is connected to the monitoring module, and the monitoring module is connected to the monitoring system to realize all-round real-time online monitoring of the pipeline to be monitored.

The utility model relates to a high -efficient film stripping device for circuit board etching, the upper portion of film stripping equipment is equipped with the spraying equipment for carrying out the spraying to circuit board substrate surface dry film, one side of spraying equipment is provided with the fixed frame that is fixedly connected with film stripping equipment, the inside fixed frame is equipped with the impurity removal mechanism for to film slag after falling processing, one side of impurity removal mechanism is provided with the secondary spraying mechanism for processing circuit board substrate again with fixed frame is fixedly connected, compared with prior art, the utility model has the beneficial effect that: through setting up the impurity removal mechanism in the upper portion of the conveying wheel, and the suction end of impurity removal mechanism stretches to between the conveying wheel, through starting the suction equipment, the film body after separation will enter the inside air inlet pipe through the suction nozzle, then through the guide cylinder and enter the inside sliding frame, realize the concentrated collection of film body, avoid the film body that separates from the membrane body influence the membrane body's demoulding work of subsequent, realize efficient demoulding work.

The application relates to a rapid flow tank with separated soil. The application is suitable for the technical field of water conservancy projects. The application aims to provide a rapid flow tank with separated soil. The application adopts the technical scheme that a rapid flow tank with separated soil comprises the following: a first tank body, an inner top portion of which is provided with a flow channel capable of guiding and draining water; a second tank body, which is arranged at the end of the first tank body along the flow direction of the guided and drained water, and the inner top portion of the second tank body is provided with a flow channel capable of receiving the guided and drained water; a gap is arranged at the joint of the second tank body and the first tank body; the elevation of the flow channel of the second tank body is lower than that of the flow channel of the first tank body, so that the guided and drained water in the first tank body can naturally flow into the second tank body under the action of gravity; a collecting box is arranged at the adjacent side of the second tank body at the gap, and can collect sundries in the guided and drained water; and a filtering assembly is arranged at the gap, and can separate the sundries in the guided and drained water and convey the sundries into the collecting box.

The invention relates to the technical field of stamping dies, in particular to a stamping die with a waste collecting mechanism, the stamping die comprises a lower die base and an upper die base, the upper die base is mounted above the lower die base, a bearing frame is erected on the surface of the lower die base, a punch slides on the upper die base in the vertical direction, and a waste collecting mechanism is arranged on the punch. A punched hole is formed in the upper surface of the bearing frame, a waste groove is formed in the upper surface of the lower die base and located below the punched hole, the lower die base is further provided with a cleaning assembly, the cleaning assembly comprises a sliding base and a scraper, the sliding base slides in the length direction of the waste groove, and the scraper is arranged on the sliding base. The scraping plate is arranged on the sliding seat, the side wall of the scraping plate abuts against the groove wall of the waste groove, one end of the waste groove is provided with an opening, and a driving assembly is arranged between the sliding seat and the lower die seat and used for driving the sliding seat to move. The waste collection device has the advantage of improving the waste scrap collection efficiency.

The utility model relates to the technical field of rainfall flood resource utilization, and particularly discloses a novel rainfall flood resource utilization device which comprises an anti-seepage plate, a rectangular water retaining frame is installed at the upper end of the anti-seepage plate, a main tank is arranged at the upper end of the anti-seepage plate in a penetrating mode, and a filter plate is installed in the main tank. The upper end of the anti-seepage plate, the upper end of the main tank and the upper end of the filter plate are located on the same horizontal plane, a flat plate is arranged above the filter plate, and the lower end of the flat plate is slidably connected with a moving plate through a sliding groove and a sliding block; the anti-seepage plate and the main tank are designed to be flush with each other and are matched with the water retaining frame to guide flow, so that water flow centralized collection without slope dependence is realized, water resource loss is effectively prevented, a driving mechanism drives a scraper to scrape and sweep along the surface of a filter plate in a reciprocating manner, impurities on the surface layer are dynamically removed, filter blockage is avoided, and the rainwater collection efficiency is guaranteed; the first semicircular plate and the second semicircular plate are combined to form an isolation structure, and excessive rainwater capacity expansion storage and impurity interception are achieved.

This utility model discloses a disinfection cabinet for shoes and bags that can collect ozone, relating to the field of disinfection equipment technology. The cabinet includes a cabinet body with an ultraviolet lamp inside for disinfection and ozone generation. The cabinet has a door and a shelf inside. An air duct is located near the bottom of the cabinet. An ozone collection bag is located on the outside of the cabinet, connected to the inside of the cabinet via the air duct, which has a check valve. A piston airbag is located on the top of the inside of the cabinet, and a miniature fan is located on the top of the cabinet to inflate the piston airbag, forcing ozone-containing gas inside the cabinet through the check valve into the ozone collection bag. An exhaust pipe is also located on the outside of the cabinet, with a miniature fan and a one-way valve at the end. This utility model transfers ozone to a detachable collection bag by squeezing it with the piston airbag and prevents ozone backflow through the check valve, reducing the odor residue and health risks associated with direct ozone emission.

The utility model relates to a wireless transmission module for a railway wagon loading state monitoring system, which comprises a support and a monitoring device arranged on the support, the monitoring device comprises a camera and a plurality of distance measuring sensors, the support comprises a cross beam and supporting legs, the supporting legs are respectively arranged on two sides of a rail, the cross beam is fixedly arranged at the top ends of the two supporting legs, and the cross beam is of a linear structure. A camera and a plurality of distance measuring sensors are arranged on the bottom surface of the cross beam, the output ends of the distance measuring sensors are connected with a conversion circuit, the conversion circuit is connected with a main control module, and the main control module is in communication connection with the camera; the master control module is provided with a wireless communication module and is connected with an upper computer through the wireless communication module. According to the utility model, the conversion circuit is arranged to collect detection signals of the plurality of distance measuring sensors, the main control module is arranged to provide a hardware basis for processing a plurality of groups of detection data, the main control module is in communication connection with the camera, and the main control module is provided with the wireless communication module to complete wireless transmission of the detection data.

The utility model belongs to rolling oil remove iron technical field, specifically disclose a kind of rolling oil magnetic type iron removal device, including processing cylinder, the processing cylinder upper end is connected with cylinder cover, processing cylinder one side upper portion is connected with oil inlet pipe, the processing cylinder other side lower part is connected with oil outlet pipe, the middle part of cylinder cover upper end is connected with iron removal mechanism, the middle part of cylinder cover upper end is connected with first drive motor, first drive motor output end extends to cylinder cover interior, first drive motor output end outer wall is evenly connected with paddle, the lower part of processing cylinder inner wall is connected with aggregate mechanism, the utility model reaches the integrated processing effect of the efficient adsorption, automatic cleaning, centralized collection and depth deoiling to magnetic impurity in rolling oil by iron removal mechanism and aggregate mechanism, significantly improves rolling oil purification efficiency and resource recycling rate.

The application discloses an automatic cleaning device for ship anchor chain, which comprises a main frame and a self-collection cleaning mechanism. A clamping assembly for positioning and fixing is fixedly installed on the lower section of the longitudinal guide rod in the auxiliary frame, and a clamping assembly for positioning and fixing is slidably connected to the upper section of the longitudinal guide rod, and the two clamping assemblies are driven to move on the anchor chain in a peristaltic mode. Angle-adjustable screw propulsion assemblies are installed on the left and right frame bodies of the annular carrier in the clamping assembly, and are driven to move underwater. The self-collection cleaning mechanism is movably arranged in the frame of the main frame, and is rotated to clean the anchor chain. The automatic cleaning device for ship anchor chain is provided in a closed mode, so that the cleaning objects are prevented from being dispersed in seawater, the cleaning objects are concentrated and collected, the cleaned anchor chain is prevented from being newly polluted, and the cleaning device itself is prevented from being interfered.

The invention discloses a material spreading device for a biomass fuel mesh belt conveyor, and belongs to the technical field of biomass fuel conveying equipment.The material spreading device for the biomass fuel mesh belt conveyor comprises a mounting frame, a mesh belt conveying mechanism used for conveying biomass fuel is mounted on the inner side of the mounting frame, and the mounting frame is a transversely-arranged U-shaped frame; a feeding assembly located above the feeding end of the mesh belt conveying mechanism is installed on the installation frame, a leveling assembly located above the discharging end of the mesh belt conveying mechanism is installed on the installation frame, and a dust removal assembly located between the feeding assembly and the leveling assembly is further installed on the installation frame. And the feeding assembly, the dust removal assembly and the leveling assembly are connected through the transmission assembly. The V-shaped dust removal device has the advantages of stable V-shaped feeding, uniform discharging, flexible thickness adjustment, effective dust removal, flexible linkage, reliable structure, convenient operation, simplicity, convenience and practicability.

This utility model discloses a copper-aluminum particle grading and sorting device with adjustable screen apertures, including a sorting box. A feed hopper is connected to the top of the sorting box. A left fixed frame and a right fixed frame are respectively installed on both sides of the inner cavity of the sorting box. An upper spring is installed at the bottom of the inner cavity of the left fixed frame, and a screen plate is installed at the upper end of the upper spring. This utility model uses a rotating turntable to drive a threaded rod to rotate, pushing a moving block along a moving groove, thereby adjusting the spacing between the screen bars to achieve flexible adjustment of the screen aperture size. Without disassembling or replacing the screen plate, it can meet the grading and sorting needs of copper-aluminum particles of different sizes. The operation is simple and convenient, effectively improving sorting efficiency. The adjustable screen aperture size adapts to copper-aluminum particles of different sizes. A vibration motor is installed at the bottom to achieve particle grading and screening, solving the problem of poor adaptability of traditional sorting equipment and improving the sorting efficiency and accuracy of copper-aluminum particles.

This invention discloses a toner collection device and method for a doubly-fed induction generator (DFIG) slip ring chamber. The device includes an arc-shaped electrode plate assembly, a toner collection container, a control and detection system, and a processor. The arc-shaped electrode plate assembly comprises symmetrical double-arc positive and negative electrode plates concentric with the slip ring chamber, forming an enclosed electrostatic adsorption area to adsorb toner. The toner collection container is placed below to collect fallen toner. The control and detection system monitors the toner thickness and adjusts the gradient electric field to match the toner concentration. The processor receives signals, adjusts parameters, and triggers power-off toner discharge commands, achieving automated collection. This invention utilizes symmetrical arc-shaped electrode plates to form an enclosed electrostatic adsorption area, efficiently adsorbing toner and collecting it centrally in the container below. Combined with the control and detection system and processor, the electric field can be dynamically adjusted to match the toner concentration, achieving automated collection, reducing the frequency of manual maintenance, ensuring the cleanliness of the slip ring chamber, extending component lifespan, and improving the operational stability of the fan.

The invention relates to the technical field of turning equipment, in particular to a turning device for machining a power equipment shell, which comprises a case, a chuck device, a turning tool rest and a turning tool, and further comprises a scrap collecting mechanism, and the scrap collecting mechanism is composed of a scrap guide cylinder, an inner rotating cylinder capable of intermittently rotating, a radial movable frame with a magnet block, a piece of reelable isolation cloth wrapping the magnet block and a scrap collecting box. The main driving part is matched with the first driven part and the second driven part, so that the automatic cleaning process that the multiple magnet blocks circularly stretch out to adsorb cuttings, the isolation cloth is automatically wound after resetting, and the cuttings are discharged to the cuttings collecting box is achieved; according to the iron scrap cleaning device, efficient, drying and automatic collection and treatment of iron scraps in turning of the inner cavity of the cast iron shell are achieved, and the technical problems that traditional wet cleaning is large in pollution, poor in negative pressure adsorption effect and twining of long scraps are solved.

This utility model relates to the field of cutting device technology and discloses a safe cutting device for aluminum battery shells, including: a frame, a moving mechanism, and a laser cutting mechanism. The moving mechanism is located at the upper end of the frame, and the laser cutting mechanism is connected to the output end of the moving mechanism. A control mechanism is located on the back of the frame, and a collection mechanism is located in the inner cavity of the frame. The collection mechanism includes a collecting component, a conveyor, and a load-bearing plate. A scraper is located in the inner cavity of the collecting component and is located at the bottom of the conveyor. The conveyor and the load-bearing plate are both located in the inner cavity of the frame, and mounting parts are evenly arranged on the top of the load-bearing plate. In this safe cutting device for aluminum battery shells, an air pump sprays air through a nozzle into the cutting area of ​​the laser cutting mechanism, which can drive waste and debris to move, preventing waste and debris from accumulating at the top of the device, improving waste recycling efficiency, and reducing the impact on cutting accuracy.

This utility model discloses a welding slag collection device and welding equipment having the same, relating to the field of battery production equipment technology. The welding slag collection device includes: a dust collector hood, a jacket, and a particle collector. A dust collector chamber is formed within the dust collector hood, and the dust collector hood has an inlet and an outlet communicating with the dust collector chamber. The outlet is used to connect to a negative pressure adsorption mechanism. The jacket is detachably disposed on the inner wall of the dust collector hood. The particle collector is located within the dust collector chamber and connected to the jacket. The welding slag collection device according to this utility model adopts a detachable jacket design, which facilitates the cleaning of collected welding slag, reduces the probability of secondary pollution, ensures the cleanliness of the welding environment, and thus improves welding quality.

This invention discloses a waste heat recovery device for flue gas from a thermal oil aluminum melting furnace, relating to the field of baking furnace technology. The device includes a furnace, with a support rod fixedly connected to the outer wall of the furnace and an exhaust pipe fixedly connected to the top of the furnace. A furnace opening and closing door is provided on the front of the exhaust pipe, and a waste heat recovery mechanism is installed inside the exhaust pipe. By setting up the waste heat recovery mechanism, while heat is exchanged through inclined heat-conducting plates, the rotation of the inclined heat-conducting plates dynamically disturbs and redistributes the uneven heat distribution of the high-temperature flue gas within the exhaust pipe, continuously reconstructing the flue gas flow field. Through the continuous rotation of each inclined heat-conducting plate within the exhaust pipe, it is ensured that each inclined heat-conducting plate uniformly contacts and exchanges heat with the flue gas at all locations within the exhaust pipe, significantly improving the overall heat transfer efficiency and waste heat recovery rate.

The utility model discloses an alloy bar processing and polishing device with a dust collection structure, which relates to the technical field of polishing and comprises a machine body, a cover body is arranged above the machine body, a dust collection mechanism is arranged on the rear side of the machine body, and a dust filtering mechanism is arranged between the air outlet end of a dust collection pipe and the air inlet end of a dust collection fan. A first filter screen and a second filter screen are installed in the filter box in a sliding mode. The cover body is hinged to the opening and closing door on the front side to form an independent closed area, a polishing operation area is completely isolated from the outside, the structure directly blocks a dust diffusion path through a physical barrier, it is ensured that dust generated in the machining process is limited in the cover body, it is avoided that the dust leaks to the workshop environment, and the machining efficiency is improved. And the dust suction pipe is matched with the strong suction force of the dust suction fan, a directional airflow channel is formed in the cover body, airflow unidirectionally flows from the polishing area to the dust suction pipe, dust is forced to enter the dust suction mechanism along with the airflow, and centralized collection and efficient removal of the dust are achieved.

The utility model belongs to the coiled material cutting technical field especially relates to a coiled material laser cutting machine with waste discharge device of close connection, including cutting table and laser cutting machine body, the front side of cutting table is provided with two groups of connecting rods, the outside of connecting rod is detachably installed with the roll material cylinder, through the first servo motor drive roll material cylinder stable feeding in close connection mechanism, two groups of second servo motor drive the opposite steering close -contact roll pair -toward extrusion, realize two groups of coiled material close contact, avoid the deviation and low efficiency of manual close -contact, lay the high quality foundation for subsequent cutting, the third servo motor drive waste discharge roll to convey waste material in waste discharge mechanism, simultaneously drive the cam rotation with the belt pulley drive, make the jib periodic up and down motion to separate finished product and waste material, ensure the separation continuity, avoid waste material residue, after the collection groove of collection mechanism receives finished product, the inclined discharge gate can utilize gravity to let finished product automatic sliding, realize the centralized collection, reduce the manpower investment.

The utility model relates to the technical field of coral fleece fabrics, and discloses a coral fleece fabric embossing device which comprises a bottom plate, a workbench is fixedly arranged on the top surface of the bottom plate, a discharging machine is arranged on the left side of the workbench and fixedly connected with the bottom plate, a placing table is fixedly arranged on the top surface of the workbench, and the placing table is fixedly connected with the workbench. And an embossing machine is arranged above the placing table. The hydraulic cylinder drives the moving frame to move left and right, the position of the fabric output by the discharging machine is adjusted in the discharging stage, the fabric can enter the follow-up process from the proper discharging position, and the situation that due to the deviation of the discharging position, the fabric is disordered in the follow-up conveying process, and the embossing quality is affected is avoided; and then a limiting ring is driven by a connecting rod and a sliding frame to slide on the outer side face of a limiting base, the fabric is further limited, it is ensured that the fabric is always kept at the correct position before entering the containing table, and the probability that the fabric deviates in the conveying process is reduced.

The utility model provides a kind of tofu block draining rack that can be layered and drained, it is related to tofu block draining rack technical field, including support frame, the upper portion of support frame is provided with draining mechanism;Draining mechanism includes two fixed frame, the bottom surface of each fixed frame is fixedly connected with the upper surface of support frame, the side surface of two fixed frame mutually close is commonly fixedly connected with six draining racks, the upper surface of each draining rack is fixedly connected with draining frame, the inside of each draining frame is provided with gauze, the outer surface of each gauze is contacted with the outer surface of draining frame.This tofu block draining rack that can be layered and drained, six draining racks are fixed in parallel through two fixed frames on the upper portion of support frame, draining frame and gauze are independently configured in each draining rack, form six independent and parallel draining units, and the effective draining area of draining rack is improved several times compared with traditional single-layer structure by this layered design, and a large number of tofu blocks can be simultaneously accommodated for draining operation.

The invention relates to the field of teaching devices, and discloses an interaction device for college Chinese teaching. The display device comprises a display plate and a bottom plate, an inclined groove is fixedly formed in the surface of one side of the bottom end of the display plate, a guide groove block is fixedly connected to one end of the inclined groove, a collection box is movably arranged below the guide groove block, and two T-shaped sliding blocks are fixedly arranged on the surface of the top end of the collection box; two T-shaped sliding grooves corresponding to the T-shaped sliding blocks are formed in the surface of the bottom end of the guide groove block, a blocking rod is movably arranged on the surface of one side of the guide groove block through a rotating rod, an inclined groove in the bottom end of the display board guides chalk dust to slide down, the guide groove block guides the dust into a collecting box, centralized collection is achieved, the T-shaped sliding blocks are matched with the T-shaped sliding grooves, and therefore the dust can be conveniently collected. Meanwhile, a rotating rod is matched with a blocking rod, so that the collecting box can be prevented from falling off accidentally; a user starts the electric push rod to drive the lifting column to lift so as to change the height of the display board.

The utility model provides a pickling hanger which comprises a hanging plate, a plurality of evenly-arranged hanging rods are installed on the lower surface of the hanging plate, the lower ends of the hanging rods are fixedly connected with limiting rods used for limiting the position of a bearing ring, the ends, away from the hanging rods, of the limiting rods are provided with limiting discs, and the hanging rods are sleeved with sleeves. A rubber sleeve adheres to the inner surface of the barrel sleeve, wraps the hanging rod and is attached to the surface of the hanging rod, a rectangular frame is fixedly connected to the outer surface of the barrel sleeve, a transverse plate is inserted into the rectangular frame, a connecting rod is fixedly connected to one end of the transverse plate, and the lower end of the connecting rod is installed at the bottom in a liquid collecting box used for collecting pickling liquid. The utility model has the beneficial effects that the bearing ring can be suspended on the upper side of the pickling tank without spending more time, and the working efficiency is improved.

The utility model discloses a double-cutter-head scraper device for silk-screen printing. A handheld main body has two handheld states, wherein the positions of the upper end and the lower end of the handheld main body are exchanged; the handheld main body comprises two scraping plates which are oppositely arranged at an interval; scraping spaces are formed between the upper ends and the lower ends of the two scraping plates; the cutter body assembly is movably arranged between the two scraping plates up and down, and is provided with two cutter head ends which are in contact fit or clearance fit with the scraping space on the corresponding side, and a falling position which moves downwards relative to the handheld main body under the action of self gravity corresponding to the handheld state; at the falling position, the first tool bit end is shrunk into the scraping space, and the second tool bit end is exposed out of the handheld main body; and a locking piece is arranged between the handheld main body and the knife body assembly. According to the utility model, ink on the cutter head can be automatically removed, the silk-screen printing operation process cannot be interrupted, time and labor are saved, and the silk-screen printing requirement is effectively met.