19results about How to "Avoid powder leakage" patented technology

The invention discloses a toner cartridge with a fixing structure, and relates to the technical field of toner cartridges, the toner cartridge comprises a toner cartridge rack, a toner cartridge body is clamped and mounted in the toner cartridge rack, a clamping assembly is fixedly mounted at the right end of the top of the toner cartridge rack, and the right side of the toner cartridge body is clamped and mounted in the clamping assembly. According to the toner cartridge with the fixing structure, the toner cartridge body is locked, the stability of the toner cartridge during use is improved, the toner cartridge is prevented from vibrating during working, the cartridge shell automatically rotates and pops out of the interior of the mounting frame through resetting of the reset spring, then the toner cartridge body is convenient to replace, disassemble and assemble, the toner cartridge can be disassembled and assembled with one hand, and the toner cartridge is convenient to use. The powder box body is slowly rotated and popped out, the situation that the popping force of the powder box body is too large, and consequently carbon powder is scattered is avoided, meanwhile, airflow exhausted from the vent groove passes through the space between the powder box body and the containing groove, a trace amount of carbon powder scattered in the containing groove is blown out through the communicating groove, and then the interior of the containing groove is kept clean.

The utility model discloses a valve bag for an automatic powder filling machine, which comprises a bag body with a bag opening at the top and the bottom, the bag opening is formed by bending and sticking a first folding part and a second folding part, a reinforcing sealing strip is arranged below the bent bag opening, a valve opening with a double-layer structure is arranged below the reinforcing sealing strip at the top, and the valve opening is connected with the valve opening. And the peripheral surface of the valve port is fixedly bonded with the reinforcing sealing strip. Powder is prevented from leaking from a gap of a bag opening, cost is saved, the heating clamp is used for heating the outer layer paper, so that the inner layer paper at the heating position is fused at high temperature to form a sealing part, automatic packaging is achieved, and powder filling efficiency is high.

The utility model discloses a processing box. The processing box comprises a shell, a rotatable roller and a sealing assembly, an accommodating cavity is formed in the outer wall of the shell; the rotatable roller is arranged in the containing cavity in a penetrating mode, and the end of the rotatable roller extends out of the shell. The sealing assembly is mounted in the accommodating cavity, and the sealing assembly is mounted at the end part of the rotatable roller in a sleeving manner; the sealing assembly comprises an elastic plug and a covering part. The elastic plug is arranged at the end part of the rotatable roller in a sleeving manner, and the elastic plug is positioned in the accommodating cavity; the covering part is arranged at the end of the rotatable roller in a sleeving mode, the covering part covers the containing cavity and is connected with the shell, and the side, facing the elastic plug, of the covering part abuts against the elastic plug.

The utility model relates to the technical field of doctor blade structures, in particular to a doctor blade structure capable of reducing torsion, which comprises a structure body, stable mounting mechanisms are arranged on the surface of the structure body and the surface of a polishing plate, and a powder leakage preventing mechanism is arranged on the surface of the structure body. When the doctor blade structure is used, the polishing plate can be stably installed on the surface of the structure body, the polishing plate can be overhauled and replaced regularly in the using process of the doctor blade structure, and the situation that the doctor blade leaks powder when the doctor blade structure is used is avoided; the printing effect of the printer is not affected, a worker does not need to clean the doctor blade, the appearance of the structure body is adjusted, the production cost is reduced, an R angle at the front end of the grinding plate is changed into a flat angle, the torsion of the doctor blade during working is reduced, the surface of a knife edge of the grinding plate is polished, and the working efficiency is improved. And the problem that the defect of printing vertical bars occurs when the doctor blade is used is solved.

The invention discloses an automatic cylinder type ash removal device, which belongs to the technical field of flue ash removal, and comprises a flue and a fixed bracket, a push rod is arranged in the inner space of the fixed rod; a dredging mechanism is mounted at one end, close to the upper flue, of the push rod; an intelligent driving mechanism is installed at the top of the fixing rod, the output end of the intelligent driving mechanism is movably connected with the other end of the push rod, and a blocking static sealing assembly and a nitrogen charging dynamic sealing assembly are arranged on the two sides of the inner wall and the outer wall of the flange correspondingly. Through the mode, the intelligent driving mechanism controls the telescopic interval time of the push rod, so that the push rod dredges the communicating pipeline between the ash removal device and the combustion chamber through the dredging mechanism, pyrolysis airflow flows smoothly, and the overall negative pressure of the system is stabilized; through the cooperation of the dynamic sealing mode and the static sealing mode, the flange has good sealing performance, the upper flue is prevented from leaking powder or sucking air, volatile components leaked from the flue are collected by the ash collecting box and discharged from the ash outlet, and environmental pollution is effectively reduced.

The utility model discloses a powdered ink container powder outlet opening and closing device which comprises a powdered ink container powder outlet plate and a clamping plate, a first baffle is installed on one side of the lower end of the powdered ink container powder outlet plate, a second baffle is installed on the other side of the lower end of the powdered ink container powder outlet plate, a first driving inclined seat is installed on the first baffle, and a second driving inclined seat is installed on the second baffle. A second driving inclined seat is mounted on the second baffle, and vertical plates are mounted on the two sides of the upper end of the clamping plate; the toner outlet of the toner container is automatically closed during disassembly and automatically opened during installation, the toner leakage phenomenon is avoided, the structure is simple and flexible, the processing cost during production is low, the toner container is convenient to assemble and disassemble, the vertical plate is fixed to the first baffle and the second baffle in a magnetic attraction mode, and the toner container is convenient to assemble and disassemble. The toner container and the clamping plate are fastened through magnetic attraction force, and the magnetic attraction force overcomes the elastic force of the spring, so that the toner container can be firmly fixed on the clamping plate of a machine, and the toner container can be quickly mounted.

The elastic sealing structure of the quantitative powder box comprises a powder barrel and an outer shell below the powder barrel, a powder injection opening is formed in the top of the powder barrel, a powder outlet is formed in the bottom of the outer shell, a plurality of inserting seams are formed in the periphery of the outer shell, an inserting plate used for isolating powder is arranged in one of the inserting seams, an inner shell is arranged in the outer shell, and the inner shell and the outer shell are arranged in the outer shell. A positioning plate, an elastic plate and an extension plate are arranged on the outer wall of the inner shell, the elastic plate is arranged between the positioning plate and the extension plate, the insertion plate can be inserted and pulled between the elastic plate and the extension plate, the bottom surface of the elastic plate is always in elastic contact with the surface of the extension plate in a normal state, and the right-angle side of the inner side of the elastic plate is always in contact with the outer wall of the inner shell; no matter whether the elastic sealing structure of the quantitative powder box is used or not, the powder box can be kept sealed, the powder leakage phenomenon of the powder box is avoided, and the elastic sealing structure is stable in overall structure, easy and convenient to operate and suitable for application and popularization.

This utility model discloses a mouse feed mixing device that is easy to disassemble and clean. It includes a mixing cylinder with a cover at the top and a discharge hopper at the bottom. The upper and lower sides of the cylinder are connected by fixing components. A mixing motor is installed at the center of the top of the cover, and a mixing rod is connected to the bottom of the motor. A feed hopper is installed on one side. The fixing components include multiple fixing blocks on the upper and lower outer walls of the cylinder. The bottom of the blocks has a telescopic groove with a locking block inside. The bottom of the groove has a through hole. One end of the locking block has a connecting rod with a matching through hole. A ball is fixed at the end of the rod. The upper and lower locking blocks respectively fix the top of the cover and the edge of the discharge hopper. After the discharge hopper is removed, the inner wall and the discharge pipe are unobstructed, so it can be directly rinsed or soaked for disinfection. The upper and lower outer walls of the cylinder are equipped with sealing rings. When the cover and the discharge hopper are installed, they fit snugly with the sealing rings to prevent feed powder leakage and powder seepage into the gaps. With the help of the telescopic locking block and the elastic force of the compression spring in the fixing block, the cover, the discharge hopper and the cylinder can be quickly fixed. When disassembling, the ball is pressed.

The invention provides a non-contact powder laying device and method for additive manufacturing, and belongs to the technical field of additive manufacturing. The linear moving module is provided with a support, and the linear moving module can drive the support to move relative to the forming platform; the powder spreading module comprises a powder falling seat, a powder falling shaft and a powder bin; the powder suction seat is connected with the support, the powder suction seat comprises a powder suction port and a powder outlet, and the powder outlet is located above the powder suction port. The powder feeding device has the beneficial effects that the powder inlet and the powder falling opening are aligned to the two quadrant points of the containing cavity in the horizontal direction correspondingly, powder at the powder inlet can be prevented from falling to the powder falling opening through a gap between the powder falling shaft and the containing cavity when the powder falling shaft is in a static state, and the powder leakage phenomenon is avoided; and meanwhile, the powder falling shaft rotates in the direction from the air inlet to the powder falling opening through the bottom of the containing cavity, and powder falling into the containing cavity from the powder inlet can be effectively transferred to the powder falling opening.

The utility model relates to packing box technical field, specifically disclose a powder bag packing box with multi -chamber, including packing box, the outside fixed mounting of packing box has the fixed frame, the side surface of packing box is provided with the metal sheet, the top of fixed frame is provided with second cover frame, the side surface of second cover frame is provided with first cover frame, the inside fixed mounting of packing box has the bearing frame, the side surface of first cover frame is provided with two sealed location components, the top of second cover frame is provided with a plurality of fixed anti -touching component, this powder bag packing box with multi -chamber, first cover frame provides basic fixed force through magnetic attraction piece, and further restricts displacement in cooperation with the limiting rod with rubber sleeve, and the fixed effect is more reliable, and the abrasion of limiting rod and through -hole can be reduced with rubber sleeve, prolongs the life of component and enhances friction limit, and the sealing ring of protection ring closely fits with the recess, can effectively realize sealing, prevents the powder bag in chamber from being damp or powder leakage.

The utility model discloses an inhaul cable type lifting forming cylinder and a 3D printer, the inhaul cable type lifting forming cylinder comprises a forming cylinder frame body, a printer plate, a power component, a sliding plate component, a pulling plate and a plurality of groups of pulley blocks, the sliding plate component and the pulling plate are respectively connected to the outer side of the forming cylinder frame body in a sliding mode; pulleys of the pulley block are connected to the top of the forming cylinder frame and the pulling plate respectively, the power component is connected with the pulling plate, the free end of a pulling rope of the pulley block is connected with the sliding plate component, a lifting hole is formed in the forming cylinder frame, and the sliding plate component extends into the lifting hole to be connected with the printer plate. The 3D printer comprises the inhaul cable type lifting forming cylinder. The forming cylinder has the beneficial effects that the height required by printing a finished product can be realized by reducing the extension length required by the power component, so that the overall height of the forming cylinder is reduced, and the overall size of the printer is reduced. The size of the 3D printer is small.

The utility model discloses a powder leakage prevention valve bag for an automatic filling machine, which comprises a bag body, bag openings are arranged at the top and the bottom of the bag body, the bag openings are formed by bending and sticking a first folding part and a second folding part, the first folding part is positioned above or below the second folding part, and the second folding part is contacted with a reinforcing sealing strip. According to the utility model, powder entering the bag body through the feeding valve port is contacted with the bottom surface of the seamless reinforced sealing strip, so that the powder leakage phenomenon is avoided, and the cost is saved.

The utility model relates to the technical field of powder control equipment, in particular to powder control equipment aiming at a total nutrition and carbon water single nutrition formula, a blanking assembly is arranged at the top of a fixed frame, a powder control assembly is arranged at the position, corresponding to the blanking assembly, of the upper part of the fixed frame, and the blanking assembly comprises a powder control table arranged at the top of the fixed frame; a supporting frame is erected and installed on the upper portion of the powder control table, a storage box is fixedly installed at the top of the supporting frame, a discharging pipe is installed at the discharging end of the bottom of the storage box, a vibration motor is fixedly installed on the outer wall of the storage box, and the powder control assembly comprises a connecting sliding rail which is fixedly installed at the position, corresponding to the discharging pipe, of the upper portion of the powder control table; the upper portion of the connecting sliding rail is slidably connected with a sliding seat. According to the powder control equipment for the full-nutrition and carbon-water single-nutrition formula, the whole device can accurately measure and control powder, the precision during powder control is improved, the practicability of the whole device is improved, and better use prospects are brought.

The utility model discloses a powder leakage prevention seal plug for a powder box, which belongs to the technical field of powder boxes and comprises a storage box and a seal main body, a label of the model of the seal main body is adhered to the bottom end of the storage box, an observation window is arranged at the top end of the storage box, and a mounting device capable of stably mounting the seal main body is arranged in the storage box. And a leakage-proof device capable of preventing the powder box from leaking powder is arranged on the sealing strip main body. The anti-static coating and the oily coating are arranged at the top end of the sealing strip body, the tearing strip is installed at the top end of the sealing strip body, when the sealing strip is used, the sealing strip body is bonded in the powder box, the connecting ring is fixedly installed on the outer wall of the powder box, the tearing strip is torn down through the easy-to-tear strip, and the sealing strip body can be conveniently installed on the powder box; meanwhile, the oily coating can prevent the powdered ink from being adhered to the interior of the powder box, and the anti-static coating can prevent the powdered ink from being adsorbed to the interior of the powder box due to static electricity to cause powder leakage of the powder box.

The present invention relates to a powder quantitative discharging tank. It includes a hollow tank body, a partition and a quantitative bin; the partition is fixedly arranged in the tank body and divides the inner cavity of the tank body into an upper chamber and a lower chamber, and at least two through holes penetrating the upper chamber and the lower chamber are opened on the partition; a discharging pipe is also fixedly arranged in the upper chamber of the tank body, and the lower end pipe mouth of the discharging pipe is connected with the upper end port of at least one through hole, and the discharging pipe extends upward from the lower end pipe mouth and the upper end pipe mouth extends to the outside of the tank body; the through hole connected with the lower end pipe mouth of the discharging pipe is the discharging through hole, and the other through holes are the feeding through holes; the quantitative bin is arranged in the lower chamber of the tank body, and more than one U-shaped channel is arranged inside the quantitative bin, and the two ports of each U-shaped channel can be respectively connected with the lower port of a feeding through hole and the lower port of a discharging through hole. The present invention not only has the function of quantitative discharging, but also has a simple structure, a reasonable and compact design, and is easy to use.

The utility model relates to the technical field of power plant boiler maintenance, in particular to a power plant boiler coal mill negative pressure ball adding device which comprises a boiler machine, the center of the boiler machine is provided with the bottom end of a ball falling pipe in a ball adding mechanism, the top end of the ball falling pipe is provided with a ball adding flange cover, and the center of the ball falling pipe is fixedly provided with an air injection box. The bottom end of the ball falling pipe is connected with the upper side of the center of the dustproof piece, the left side of the top end of the air injection box is connected with the right side of the connecting pipe, the air pump is arranged on the right side of the air injection box, and the air injection pipe is arranged on the left side of the air pump and connected with the air injection box. Positive pressure pulverized coal airflow in the coal mill is prevented from leaking to the ball feeding opening in the ball feeding process, the pulverized coal airflow is prevented from entering the ball falling pipe, the powder leakage phenomenon is further reduced, efficiency is improved, meanwhile, abrasion to the auger when a large number of steel balls are fed at a time is avoided, the diversity of ball feeding can be better improved, the workload is small, and implementation and maintenance are convenient.

The utility model relates to a kind of material closed discharge device and material transfer system, belong to material transfer technical field.Material closed discharge device includes butt flange, material bucket cover, connecting pipe and lifting mechanism, the butt flange is connected with the discharge pipe of airflow mixer, the bucket mouth of the material bucket cover is adapted, respirator is equipped on the material bucket cover, the connecting pipe uses hose, the connecting pipe connects butt flange and material bucket cover, the material bucket cover can be moved downwards under the action of the lifting mechanism and cover on turnover material bucket, the material of airflow mixer can enter the closed discharge in the turnover material bucket.The utility model is simple in structure, convenient to operate, realize the closed processing of the material of airflow mixing machine in discharging process, effectively avoid the problem that powder is exposed or leaked from gap, reduce the waste of material, improve workshop working environment, reduce safety risk.

This invention discloses a feeding device and method for metal powder rolling, relating to the field of metal powder rolling equipment. The device includes a feeding hopper with a discharge port at its bottom. Movable side plates of the feeding hopper are slidably connected to a front and rear end plate. A gap adjustment mechanism is installed on the feeding hopper to adjust the position of the movable side plates and change the size of the discharge port. Two sets of stirring shafts are installed inside the feeding hopper, with follower wheels connected to the ends of the stirring shafts for frictional contact with the rolling mill rolls. An adjustable partition mechanism is also installed inside the feeding hopper between the two sets of stirring shafts. Based on this device, the method uses the gap adjustment mechanism in conjunction with a replaceable nozzle insert to synchronously adjust the discharge port size with the roll gap. The angle of the partition is adjusted by the swing adjustment mechanism to control the composite layer thickness ratio, and the rollers drive the follower wheels to rotate the stirring shafts. This invention can improve feeding uniformity, adapt to different roll gap specifications, and achieve precise layer control of composite materials.

The utility model relates to the technical field of selenium drums, in particular to a selenium drum with a small magnetic roller, which comprises a selenium drum shell, a side cover is mounted on the surface of the selenium drum shell, a gear set is arranged in the side cover, and a cost-saving mechanism is arranged on the surface of a magnetic roller body and the inner wall of the gear set. A convenient replacement mechanism is arranged on the surface of the powder scraping knife and the inner wall of the toner cartridge shell, and a powder leakage prevention mechanism is arranged on the surface of the powder outlet. According to the toner cartridge, the cost of a user is saved when the toner cartridge is used, the use requirement of the user can be better met when the toner cartridge is used, the user can conveniently take down the powder scraping knife from the interior of the toner cartridge shell and replace the powder scraping knife when the toner cartridge is used, the cleaning effect of the toner cartridge on redundant carbon powder on the surface of the magnetic roller body is better, and the use effect of the toner cartridge is improved. In addition, when the selenium drum is used, a user can conveniently clean out waste powder in the waste powder bin, and the phenomenon of powder leakage in the use process of the selenium drum is avoided.