13results about How to "Prevent material leakage" patented technology

The invention relates to the technical field of scraper conveyors, in particular to a scraper type slag salvaging machine which comprises a shell, a material bearing plate is arranged in the shell, a driving shaft and a driven shaft are rotationally arranged at the front end and the rear end of the shell respectively, a chain assembly is wound around the driving shaft and the driven shaft, and the chain assembly comprises two first chains and a second chain. The second chain is located between the two first chains, a plurality of rotating shafts are arranged on the second chain front and back at intervals, two telescopic scraping plates are hinged to the rotating shafts, each telescopic scraping plate comprises a first scraping plate and a second scraping plate which are in sliding connection, the first scraping plates are rotationally arranged on the rotating shafts, and each second scraping plate is fixedly connected with one first chain; the telescopic scraping plate slides along the surface of the material bearing plate, when slag materials driven by the telescopic scraping plate are increased, the length of the telescopic scraping plate is increased, meanwhile, rotation of the telescopic scraping plate can drive the first chain to be tightened, the contact pressure between the telescopic scraping plate and the surface of the material bearing plate is increased, and the phenomenon of material leakage is avoided.

The utility model discloses a leakage-proof grab bucket of a gantry crane, which belongs to the technical field of harbor machinery, comprises a grab bucket body and is characterized in that a groove is arranged at the lower end part of a side cutting edge plate of the grab bucket body, and a leakage-proof mechanism is arranged in the groove; the anti-leakage mechanism comprises a wear-resisting plate, side guide plates and springs, the two ends of the wear-resisting plate are connected with the side guide plates respectively, the wear-resisting plate is installed at the position of the groove of the grab bucket body, the inner end of the wear-resisting plate protrudes out of the groove, the two side guide plates are clamped on the outer sides of the side cutting edge plates, and the groove bottom of the groove of the grab bucket body is connected with the wear-resisting plate through the springs; long-strip-shaped guide holes are formed in the side guide plates, guide screws corresponding to the long-strip-shaped guide holes are arranged on the inner wall and the outer wall of a side cutting edge plate of the grab bucket body respectively, and the guide screws penetrate through the long-strip-shaped guide holes to be in threaded fit with the positioning nuts. Compared with the prior art, the wear-resisting plate is convenient to replace.

The utility model relates to spiral material distributing equipment technical field discloses a kind of equipment of material double helix distribution, including equipment main body;Equipment main body bottom end is equipped with several discharge gates, several discharge gate bottom end outside is equipped with extension assembly, several discharge gate side is equipped with fixed plate, and fixed plate is fixedly connected with equipment main body bottom, and fixed plate bottom end is evenly equipped with several locating grooves;Every extension assembly includes first extension frame, and first extension frame is sleeved in the periphery of discharge gate, and first extension frame inside is fixedly connected with first guide block, and first extension frame outside is equipped with second guide slot, and operator can flexibly adjust the extension length of extension assembly according to the height of different processing equipment feed inlet, to change the effective height of discharge gate, effectively reduce the spacing between discharge gate and processing equipment feed inlet, avoid the material leakage phenomenon caused by material falling distance too long, greatly reduce the waste of material resources, reduce production cost.

The utility model discloses a quantitative discharging device for frost production, which relates to the technical field of chemical production and comprises a supporting table, a plurality of supporting legs are fixedly connected to the bottom of the supporting table, and an arc-shaped supporting plate is fixedly connected to the center axis of the outer wall of the supporting table. According to the device, the material collecting disc is arranged on the discharging pipe, when the device begins to be used, frost is stored in the material collecting disc and then accumulated in the discharging pipe, then the motor is started to drive the rotating shaft to rotate, the rotating shaft rotates, and the discharging hopper is fixedly connected to the outer wall of the side, away from the supporting table, of the arc-shaped supporting plate. Meanwhile, a conveying belt drives a second rotating rod to enable a plurality of moving blocks to start to move in a moving cavity, meanwhile, a moving plate is driven to move together, and when a discharging opening in the moving plate coincides with a discharging pipe, frost is discharged into a discharging pipe, so that the effects that the frost can be quantitatively discharged, and the situation that the equipment is blocked due to the fact that the one-time discharging amount of the equipment is too large is avoided; or the phenomenon of collection overflow occurs.

The present invention provides an injection molding machine for automobile front ventilated decorative panels, which relates to the technical field of injection molding machines, including: a row of sunken grooves is provided in the middle part of the bottom plate of the upper molding groove of the lower mold, and when a row of vertical poking rods slide downward, a row of sealing cover plates are plugged and matched with a row of sunken grooves; an intermediate driving mechanism is connected between the push-unloading member and the vertical support side shaft of the U-shaped vertical support frame, and the intermediate driving mechanism is used to drive the push-unloading member to rise and fall while the upper mold slides up and down; a force transmission spring is sleeved on a vertical support side shaft of the U-shaped vertical support frame, and the force transmission spring is used to transmit the downward driving force of the upper mold to the intermediate driving mechanism. Through the driving member on the left side, when the upper mold is driven to slide downward, it can push the compressed force transmission spring, and use its downward driving force to assist the push-unloading member to slide downward, so that a row of sealing cover plates are pressed and sealed in a row of sunken grooves, and the sliding gap between a row of horizontal and vertical poking rods and the lower mold is tightly and effectively sealed.

The utility model belongs to material conveying field, a quick replacement turnover edition formula unloading tee pipe, the utility model discloses a box body, detachable connecting seat, flap and flap axle, the top of box body has a feed inlet, and the bottom of box body left and right sides has two discharge ports respectively, and the bottom of box body two discharge ports between processing has a U groove structure, detachable connecting seat installs on the U groove structure, and the flap is fixedly installed on detachable connecting seat through the flap axle, and the flap is placed in the inside of box body. The utility model research and development purpose is to solve the tee unloading pipe structure in prior art, and its flap replacement process generally exists the problem of low maintenance efficiency, high safety risk, big maintenance cost, when the flap needs replacement when wearing, need not destructive cutting or troublesome internal welding operation, only need to dismount a few connecting bolts and driving pin shaft, can whole flap assembly as an independent module from the U groove of the bottom of box body whole body is unloaded and is replaced, guarantees the continuous stable operation of production line.

The present invention discloses an automated forming device for the production of porous shale bricks, including a conveying table, a self-turning forming mechanism and a vibrating filling mechanism. The self-turning forming mechanism is placed in the frame cavity of a carrier, and is used for the automated forming operation of porous shale bricks. The self-turning structure is used to assist the automated material removal operation to complete the automatic demoulding process during the material removal. The vibrating filling mechanism is fixedly placed directly above the carrier, and is used for the automated material removal operation. During the operation, the porous shale brick material is fully and evenly filled by vibration. The automated forming device for the production of porous shale bricks realizes the automatic demoulding process to avoid the phenomenon of mold jamming, and cooperates with automatic turning to assist the automated material removal operation to ensure the automation performance. In addition, by means of high-speed vibration, the fully and even filling is achieved in the filler to avoid the cavity phenomenon during the filling.

An automatic control discharge valve, a leak-proof valve is arranged in a discharge pipe, the leak-proof valve closes or opens the discharge pipe according to a signal instruction to form a material outward discharging state, and the discharged material enters a discharging groove; the leak-proof valve is a telescopic structure, a valve sealing surface is located at a position opposite to a pipe orifice of the discharge pipe, when the valve sealing surface is protruded, the valve sealing surface covers the pipe orifice of the discharge pipe to close the discharge pipe; an advantage is that a sealing structure can effectively prevent the material from being clamped between the pipe and the valve during the closing process, thereby avoiding the material leakage phenomenon caused by the closing failure; through the connection of corresponding sensors and signals, unmanned material collecting and cleaning can be realized under the instruction of a control system, and the machine operation is not needed, traditional selected shape production is not continuous, manual operation is repeated, time is consumed and the like problems are solved, material mixing and the like errors caused by human errors can be avoided, and the stability and precision of production are ensured; the precision is high, the structure is simple, the wearing parts are few, and the maintenance is simple.

The utility model discloses a circular product connecting rod distributing device for automatic practical teaching. The device comprises a product conveying belt and a first vacuum chuck arranged at a product fixing station. The device is characterized by further comprising a product transferring assembly and a pneumatic distributing mechanism. The product transferring assembly comprises a second vacuum suction cup, a first pneumatic executing mechanism used for driving the second vacuum suction cup to do reciprocating motion in the vertical direction, and a second pneumatic executing mechanism used for bearing the first pneumatic executing mechanism and the second vacuum suction cup and driving the first pneumatic executing mechanism and the second vacuum suction cup to do reciprocating motion in the left-right direction. The second vacuum suction cup can move between the picking position on the product conveying belt and the placing position of the first vacuum suction cup. The pneumatic distributing mechanism is arranged on one side of the product conveying belt, located on the upstream of the picking position and used for selectively blocking or releasing the products. Through cooperative work of all the components, ordered material distribution, accurate picking and stable transferring of round products can be achieved.

The utility model discloses a double-rotation waterproof coating stirring machine which comprises a machine body, feeding pipes are arranged at two ends of the top of the machine body in a groove sealing and penetrating mode, a discharging pipe is arranged below the bottom of the machine body in a groove sealing mode, a mounting plate is arranged above the top of the machine body through screws, and rotating shafts are arranged at two ends of the bottom of the mounting plate in a rotating mode. According to the double-rotation waterproof coating stirring machine, a mounting plate is mounted on the upper portion of the interior of the machine body through screws, then the two ends of the interior of the mounting plate are both provided with grooves in a rotating mode, and meanwhile rotating shafts are connected into the two transmission gears in a penetrating mode; and in the later period, a driving motor drives a rotating rod to rotate and drives a rotating gear to rotate at the same time, at the moment, the rotating gear can drive rotating shafts connected with the interiors of two transmission gears in a penetrating mode to rotate, and then the two rotating shafts can drive two rows of electric heating stirring rods to evenly mix and stir the conveyed-in waterproof coating.

A split air-tight seal structure for packaging relates to the technical field of seal structures and comprises a seal seat formed by butt joint of a first half ring and a second half ring, the seal seat is provided with a mounting channel, and the mounting channel comprises a packing mounting annular groove and a labyrinth structure annular groove which are located on the two sides respectively. An air seal annular groove is formed between the packing installation annular groove and the labyrinth structure annular groove, and the first half ring and the second half ring are each provided with an air inlet channel communicated with the air seal annular groove. The problems that in the prior art, the packing sealing effect of existing powder conveying equipment is poor, rereaming needs to be conducted in original equipment for improving the sealing structure, machining is tedious, and meanwhile the sealing performance of powder cannot be guaranteed are solved.

The utility model discloses a multicolor injection molding device which comprises a fixing machine base and a mold assembly, a fixing machine frame is installed at the end, away from the mold assembly, of the fixing machine base, a [-shaped fixing plate is installed on one side of the mold assembly, an injection molding hole is formed in the center of the [-shaped fixing plate, and a transverse sliding groove is formed in the fixing machine frame. A movable sliding plate is slidably connected into the transverse sliding groove, two screw extruders are arranged between the movable sliding plate and the n-shaped fixing plate, extrusion openings of the screw extruders communicate with heating rings, guide sliding grooves are formed in the upper end and the lower end of the n-shaped fixing plate, and an annular plate is installed at one end of each heating ring; the circular ring plate is in sliding connection with the guide sliding groove. The screw extruder has the beneficial effects that a material at the tail end of the screw extruder can be heated, the phenomenon that the material remained at the tail end of the screw extruder is hardened and cannot be extruded is avoided, the influence on the product quality is avoided, an injection-molded part can be quickly formed, the production efficiency is improved, and the phenomenon of material leakage is avoided.

The charging device of the plasticizing charging machine comprises a shell, a vibration main shaft and stirring blades, a circular-truncated-cone-shaped stirring cavity is formed in the shell, a cylindrical discharging opening is formed in the lower end of the stirring cavity, an upper cover is arranged at the upper end of the shell, and a vertically-through mounting hole is formed in the middle of the upper cover; a stirring blade transmission assembly is arranged at the upper end of the mounting hole, the stirring blade is connected with the lower end of the stirring blade transmission assembly, an upper closing plate is arranged at the position, located above the stirring blade transmission assembly, of the upper end of the upper cover, and the middle of the upper closing plate is sleeved with a vibration assembly which vibrates up and down. The lower end of the vibration spindle penetrates through the stirring cavity and is located in the middle of the discharging port, the inlet, close to the discharging port, of the vibration spindle is sleeved with a second discharging blade, and the outlet, close to the discharging port, of the vibration spindle is sleeved with a first discharging blade. The stirring assembly, the vibration main shaft and the vibration assembly are combined, and efficient stirring and guiding of materials in the stirring cavity are achieved.