440results about "Bags opening" patented technology

A fully-automatic unpacking machine (100), comprising a conveying device (1), transferring and holding-clamping devices (3), a ton bag grabbing device (4) and a bag breaking device (5). The conveying device (1) is docked with an external apparatus, and is used for conveying ton bag materials to a rear end device. When a ton bag is moved to a first station, the two transferring and holding-clamping devices (3) get close to each other so as to clamp the ton bag at the first station and place same at a second station; the ton bag grabbing device (4) grabs the ton bag located at the second station to move same to be above a feeding port (512), and the ton bag grabbing device (4) drives the ton bag to move downwards, such that a bag breaking cutter (52) punctures the bottom of the ton bag to form an opening; and a material in the ton bag flows into a discharging bin (511) through the opening and is sent out through a discharging outlet (513). Thus, one bag breaking and discharging cycle is completed.

The present invention relates to the field of grain transportation technology, specifically a conveying device for grain processing and production, including a fixed frame, the number of which is two, and the two fixed frames are distributed front and back, a conveyor is provided between the two fixed frames, and a fixed enclosure is fixedly installed on the top of the two fixed frames, a supply component is provided between the two fixed enclosures, an opening component is provided inside the supply component, and a material shaking component is provided on the front of the supply component. The opening component is operated by the downward pressure of the supply component, and a long opening is cut at the bottom of the sack containing grain, and the grain inside the sack is poured out through the long opening, thereby eliminating the need for manual bag opening, thereby improving the convenience of grain transportation, and at the same time, the downward speed of the vertical rod, the fixed angle code and the bag support frame gradually slows down, so that when the bag support frame moves downward and drives the pressure plate to move to contact the top of the telescopic boom, no impact sound is emitted, thereby reducing the noise of the device operation.

According to the full-automatic bagged material bag breaking and feeding system, AGV forklift carrying, multi-axis mechanical arm grabbing, rotary cutting piece bag breaking and fan dust removal are achieved, the AGV forklift is adopted for carrying in a reciprocating mode, the multi-axis mechanical arm is adopted for grabbing and forking material bags, then the rotary cutting piece is adopted for scratching the packaging bags, the materials fall into the hopper under the action of gravity, and raised dust is collected and captured by the dust removal fan. The unloading bin and the dustproof curtain form an approximately sealed space, the fan on the top works to enable the space to form negative pressure, no dust overflows in the bag breaking and feeding process, and the environment is not affected; the bag breaking and feeding process is completed by the system, personnel operate and monitor equipment operation through the control system, the labor intensity is low, and the overall operation automation degree and high efficiency are high; the participation of the AGV forklift and the multi-shaft mechanical arm completely liberates people from physical labor; according to the whole operation process, automation is achieved in the whole process from the material bag stacking area to feeding of each material bag into the discharging bin, and a safe and efficient unmanned operation mode can be achieved after the operation area is closed.

The invention relates to a closed powder bag breaking feeding device which comprises a material conveying barrel assembly and a bag breaking barrel assembly, the material conveying barrel assembly is provided with a material conveying barrel body, the material conveying barrel body is hinged to a clamping sealing cover, the clamping sealing cover is composed of two semicircular cover bodies, anti-skid sealing strips are arranged on the opening and closing sides of the two semicircular cover bodies, an upper respirator is arranged on the clamping sealing cover, and a lower respirator is arranged on the bag breaking barrel assembly. A plurality of supporting rods are arranged at the bottom of the material conveying barrel in the radial direction, and a sealing ring is arranged on the outer wall of the material conveying barrel. The bag breaking cylinder assembly is provided with a bag breaking cylinder body, a shaft seat is arranged in the center of the bag breaking cylinder body, a bag breaking cone is arranged on the shaft seat, the bag breaking cone is provided with a cone rod and a plurality of cutting knives, a lower respirator is arranged on the outer wall of the bag breaking cylinder body, and the material conveying cylinder body is inserted into the bag breaking cylinder body and connected with the bag breaking cylinder body in a sealed mode through a sealing ring. Bag breaking and feeding are carried out in a closed and breathable space, dust is prevented from overflowing, a healthy operation environment is provided, feeding loss is reduced, and feeding efficiency is improved.

The invention relates to an intelligent material conveying system, comprising a plurality of material stacks, wherein an automatic destacking system, a bag breaking system, an automatic batching and weighing system and a homogenizing tank are sequentially arranged on one side of the material stack, wherein the automatic destacking system comprises a mobile vehicle, wherein a four-axis manipulator is connected to the mobile vehicle, wherein the four-axis manipulator is connected to a bag taking mechanism, wherein the bag taking mechanism comprises a bag taking suction cup, a camera and a rangefinder, wherein the bag breaking system comprises a plurality of bag breaking hoppers, wherein each of the bag breaking hoppers is provided with a bag breaking saw blade, wherein the bag breaking saw blade is connected to a driving motor, wherein the bag breaking hopper is connected to an automatic batching and weighing system through a pipeline and a vacuum suction machine, wherein the automatic batching and weighing system comprises an upper storage hopper, a weighing hopper and a lower storage hopper which are sequentially connected, wherein the lower storage hopper is connected to a homogenizing tank through a pipeline and a vacuum suction machine, wherein the intelligent material conveying system automatically feeds and mixes materials, has a high degree of automation, high efficiency, good system stability and a high safety factor.

The present invention provides a full-automatic tremella pedicle removal, harvesting and waste separation and processing system, comprising a feeding mechanism, a conveying and cutting mechanism, a harvesting mechanism and a mushroom stick processing mechanism, the harvesting mechanism is used for collecting the cut tremella, and the mushroom stick processing mechanism processes the mushroom sticks; the feeding mechanism moves the mushroom sticks with tremella in the material frame to the processing position of the conveying and cutting mechanism, and realizes the stacking of the empty material frame, the harvesting mechanism lifts the ear pieces around the tremella upward to a certain height, and the ear pedicle in the middle of the tremella is completely exposed, the conveying and cutting mechanism cuts off the ear pedicle of the tremella to collect the harvested tremella, and then transports the harvested mushroom sticks to the mushroom stick processing mechanism, and the mushroom stick processing mechanism separates the plastic film and the culture medium in the mushroom sticks. The present application realizes the steps of automatic feeding, empty frame stacking, ear pedicle removal and harvesting, finished tremella collection and preliminary processing of waste mushroom sticks, has a high degree of automation, and is suitable for large-scale promotion and use.

The invention provides a dustproof powder bag breaking and discharging platform, and belongs to the technical field of machining. Comprising a platform body, a self-adaptive bag breaking mechanism arranged above the platform body, a discharging channel located below the self-adaptive bag breaking mechanism, a two-stage negative pressure dustproof system arranged around the discharging channel, and an intelligent control system electrically connected with the self-adaptive bag breaking mechanism and the two-stage negative pressure dustproof system. Through the arrangement of the self-adaptive bag breaking mechanism, a closed space formed by a flexible sealing curtain, a two-stage negative pressure system, a primary annular suction cover, a secondary dust collection cover and a dust treatment unit, dust generated in the bag breaking and discharging process can be effectively blocked and collected, the dust filtering efficiency reaches 99.97%, overflow and diffusion of the dust are greatly reduced, and the service life of the bag breaking machine is prolonged. Through a bag type recognition sensor and a self-adaptive bag breaking mechanism, the height of a tool rest, the angle of a blade, the speed and the bag breaking pressure can be adjusted, and a specification adaptation assembly can be rapidly replaced.

A transport bag includes a closure device for detachably connecting the front wall to the rear wall in the closure state for receiving the conveying good and for releasing the connection from the closure state into the open state for releasing the conveying good. The locking of the closure device is performed with the aid of an electric drive. The reversible closing lock is achieved with the aid of the spring of the solenoid. For the opening of the closure device, the solenoid is switched for a short time and the reversible closing lock is released. The switching takes place in the unloading station by supplying electric current to the electric contacts with the aid of the electric switching contacts of the unloading station.

The present invention relates to the technical field of bag unpacking equipment, and provides an automatic bag unpacking machine for fodder packaging, comprising a roller conveyor, a bag pushing mechanism, a dust removal system, a bag grabbing mechanism, a bag breaking mechanism, a material discharge door mechanism, a material unloading adjustment mechanism, and a frame; the bag pushing mechanism is composed of a push plate, a left baffle, a right baffle, a first cylinder, and an electromagnetic valve; the bag grabbing mechanism is composed of a bag grabbing hook, a connecting rod mechanism, a second cylinder, and an electromagnetic valve, and is used to fix the material bag and separate the bag and the object after breaking the bag; the rack slide module and the screw slide module are cross-spliced ​​by sliders to realize longitudinal movement and lateral movement respectively, wherein the longitudinally placed rack slide module is fixed on the frame; the beneficial effect of the present invention is that it has adjustability, and material bags of a certain size range can be processed by adjusting the movement stroke of the bag cutting device in the bag breaking mechanism and the installation position of the bag grabbing mechanism on the frame, and at the same time, the production cost is reduced and the production efficiency is improved.

The invention discloses a gripper of a bag breaking machine, and relates to the field of bag breaking machines, and the gripper of the bag breaking machine is characterized in that the gripper comprises a bag grabbing part and a shaking part, the bag grabbing part comprises a bag returning assembly, the bag grabbing part comprises a support plate, two claw thorn rows and two claw thorn rotating air cylinders, and the two claw thorn rows are both located below the support plate; the two claw thorn rows are rotationally connected with the support plate, the connecting positions are located at the two ends of the support plate, the claw thorn rotating air cylinders are used for driving the claw thorn rows to rotate, and claw tips of the two claw thorn rows are opposite after the two claw thorn rows rotate. The two claw thorn rows are turned outwards, the tip ends of the claw thorn rows can support the edge of a material bag, the problem that materials are prone to being left due to the fact that the corners of the material bag and the multi-layer material bag fall down is solved, the materials can be saved, and waste is avoided.

The invention provides a full-automatic tremella pedicle removal harvesting and waste separation treatment system which comprises a feeding mechanism, a conveying and cutting mechanism, a harvesting mechanism and a mushroom stick treatment mechanism, the harvesting mechanism is used for collecting cut tremella, and the mushroom stick treatment mechanism is used for treating mushroom sticks; the feeding mechanism moves fungus sticks with tremella in a material frame to a processing position of the conveying and cutting mechanism, stacking of the empty material frame is achieved, the harvesting mechanism lifts fungus pieces on the periphery of the tremella upwards by a certain height, fungus bases in the middle of the tremella are completely exposed, the conveying and cutting mechanism cuts off the fungus bases of the tremella, and the harvested tremella is collected. According to the full-automatic tremella fuciformis production line, the steps of automatic feeding, empty frame stacking, tremella fuciformis removal and harvesting, finished tremella fuciformis collection, waste mushroom stick primary treatment and the like are achieved, the automation degree is high, and the full-automatic tremella fuciformis production line is suitable for large-scale application and popularization.

The invention belongs to the technical field of dry powder drag reducer preparation equipment, and particularly relates to dry powder drag reducer online preparation skid-mounted equipment which comprises a storage bin, and a feeding device is arranged on the storage bin; the feeding device comprises a feeding bin communicated with the storage bin, and a feeding opening is formed in the feeding bin; a bag outlet bin is further arranged on the feeding bin, and a bag outlet structure is arranged on the bag outlet bin. A rotating bin is intermittently and rotationally connected to the feeding bin, and a plurality of partition plates are evenly distributed on the rotating bin in the circumferential direction. A cutting shaft rotationally connected with the rotating bin is arranged between every two adjacent partition plates, and a plurality of inner cutting knives are arranged on each cutting shaft. An outer cutting knife corresponding to the inner cutting knife is fixedly connected to the inner wall of the feeding bin and arranged on the inner wall, away from the bag outlet bin, of the feeding bin. The multiple cutting shafts are each rotationally connected with a pair of push plates opposite in rotating direction. The invention provides the dry powder drag reducer on-line configuration skid-mounted equipment which can automatically carry out bag breaking, charging and packaging bag collection on drag reducer packaging bags.

A bag opening system according to the present disclosure has high tolerance for the shape of a bag and comprises: a bag opening container which is formed to have an open upper portion so as to be capable of receiving a bag used to store powdered or granulated material and which has, on at least one of a side face and a bottom face thereof, a discharge window through which the powdered or granulated material can pass but the bag cannot; a cutting mechanism that inserts, into the discharge window, a bag cutter for cutting the bag, thereby forming, in the bag, a discharge opening through which the powdered or granulated material can flow out; and a swing mechanism that swings the bag opening container to cause the powdered or granulated material to flow out from the discharge opening and through the discharge window to the outside of the bag opening container.

An automation device for packaging bag transport and input, includes: a rail disposed above a certain height in a horizontal direction; a hanger mounted on the rail to be capable of reciprocating in the horizontal direction, and enabling to reciprocate a packaging bag mounted at the lower end thereof in a vertical direction; a hopper disposed at the bottom of the rail and into which raw materials inside the packaging bag moved by the hanger are introduced; a hit post disposed near an inlet of the hopper and resolving an agglomeration phenomenon of the raw materials as the packaging bag is hit by the vertical direction reciprocation of the hanger; and grippers blocking the discharge of the raw materials by gripping the bottom of the packaging bag in which the input of the raw materials to the hopper is completed.

An improved apparatus 100 for cutting and squeezing sachets / pouches is disclosed, having a cutting and sliding assembly 200 configured to allow linear movement of one or more sachets / pouches and cut the one or more sachets / pouches as the one or more sachets / pouches undergo linear movement: and a roller assembly 300 configured to pull the one or more sachets / pouches through the cutting and sliding assembly. and squeeze the one or more sachets / pouches as the one or more sachets are pulled. the squeezing resulting in extracting contents of the one or more sachets / pouches. The cutting and sliding assembly 200 and the roller assembly 300 are accommodated within a container assembly 400 such that the squeezed out contents are collected within a container of the container assembly 400.

Proposed is an apparatus for introducing an active material for use in a secondary battery. The apparatus includes a cutting unit positioned on an upper side of an introducing portion of a main hopper and provided for cutting a bottom portion of a packaging material in which a powder is accommodated, and includes a sealing unit provided around an outside of the cutting unit and configured to block leakage of the powder by bringing the introducing portion of the main hopper and an opening portion of the packaging material formed by cutting to be in communication with each other.

To provide a method for transporting thermoplastic resin vials under sterile conditions and in an exogenous pyrogen-free state, introducing the vials into a filling assembly line, and thereafter allowing the vials to stand without tipping or dropping them, the method is a method for packing vials for filling with contents such as medicaments or cells by vacuum-packing the vials, and includes the following steps:(I) inserting a plurality of vials in a tray with opening portion sides of the vials facing a bottom of the tray,(II) installing a soft film on bottom portions of the vials,(III) introducing the tray having the vials installed therein and the soft film into a gas-impermeable flexible film bag,(IV) depressurizing the inside of the flexible film bag to a prescribed vacuum pressure, and(V) sealing an opening of the flexible film bag.

The invention relates to the technical field of soft package carrying, and discloses a high-speed intelligent feeding system and method.The high-speed intelligent feeding system comprises a 3D visual perception module, a 2D image recognition and positioning unit, a control decision unit, an execution mechanism unit, a bag breaking and shaking processing module, a material bag recycling module, a data processing and analyzing unit and a system integration and management unit; according to the invention, by combining 3D photographing and 2D photographing technologies, efficient and accurate material identification and positioning are realized, in the 2D photographing process, the system can determine the center point coordinates of N bags at the same time, and only one-time 3D and 2D photographing is needed in the same plane, so that the process period is greatly saved, the whole feeding process is quicker, and the production efficiency is improved. The 3D photographing technology provides three-dimensional information of materials, the 2D photographing technology provides two-dimensional image information of the materials, through combination of 3D data, the system can achieve accurate positioning of the materials, and the system can adapt to materials of different shapes, sizes and numbers and can flexibly process various complex material conditions.

The invention relates to the technical field of feeding equipment, and provides a high-speed unpacking and feeding device. The bag breaking assembly comprises a cutting blade, and the cutting blade is installed in the hopper; the jacking assembly comprises a lifting structure and a bracket, the bracket is arranged in the hopper, the bracket is provided with a first position higher than the cutting blade and a second position not higher than the cutting blade, the bracket is fixedly connected with the lifting structure, and the lifting structure drives the bracket to move between the first position and the second position. According to the high-speed unpacking and feeding device, the jacking assembly is arranged, a soft package filled with materials is placed on the bracket located at the first position, the bracket moves downwards to the second position, and the soft package falls onto the package breaking assembly under the action of gravity, so that the soft package is completely scratched, a large opening is formed in the bottom of the soft package, and the discharging speed is increased.

The invention relates to a pocket (1) for a pocket sorter, wherein the pocket (1) has a dividable pocket base (2) with two pocket base halves (2.1, 2.2) which are connected to one another by means of a locking mechanism (3) and can be released from one another in a release position of the locking mechanism (3), wherein the locking mechanism (3) can be moved by a drive (4) back and forth between a closed position and a release position, characterised in that the drive (4) has a shape memory element (5, 12) to which an electric current can be applied via an electric power supply (7) of the pocket (1). The invention further describes a corresponding pocket sorter and a corresponding method.

The automatic feeding and conveying equipment comprises an unpacking box and a cleaning box fixedly connected to the top of the left side of the unpacking box, a bag feeding opening is formed in the left side of the cleaning box, and a dustproof plate is rotationally connected to the top of an inner cavity of the bag feeding opening. Through the arrangement of a bag unloading plate, a brush, a dust discharging open groove, a collecting box, an arc-shaped lifting plate, hard bristles, a second threaded rod, a hand wheel and a limiting rod, after a worker plugs a powder bag into the cleaning box from a bag feeding opening, the powder bag is placed on the bag unloading plate, and when the powder bag slides down on the bag unloading plate, the powder bag can be discharged from the dust discharging open groove. A plurality of brushes are arranged to dedust and clean the lower surface of a powder bag, an arc-shaped lifting plate is matched with hard bristles to synchronously dedust and clean the upper surface of the powder bag, the height of the arc-shaped lifting plate can be adjusted by rotating a hand-cranking wheel to adapt to powder bags with different thicknesses, and dust on the surface of the powder bag is cleaned, so that the dust removal efficiency is improved. And the influence on the product quality caused by mixing of dust and powder materials is avoided.

A system for selectively opening flexible containers, such as plastic bags, in a mixed solid waste stream is disclosed, for use in Material Recovery Facilities (MRFs) or other contexts. The system may include a conveyor configured to transport waste, a sensor configured to detect the presence and position of flexible containers, and a multi-degree-of-freedom positioning device that moves a cutting tool relative to the containers. A processor, in communication with the sensor and positioning device, may calculate a cutting path and control the positioning device to execute the cutting operation. The system may utilize various cutting tools, including punches, blades, spades, shovels, and motorized saws, as well as non-contact fluid-based cutting technologies such as air or water jets. Additionally, the system can dynamically adjust the cutting trajectory based on real-time feedback and environmental conditions. The method provides an adaptable solution to open bags without damaging recyclable materials, improving throughput and reducing waste in mixed waste streams.

The present invention relates to the technical field of bulk material unpacking and unloading. Disclosed is a novel material cut-off mechanism for a bulk bag unpacking and unloading system, comprising an unpacking machine frame, and an electric hoist track arranged on the top of the unpacking machine frame. An electric hoist is provided on the electric hoist track, a bulk bag hanger is provided on a hook of the electric hoist, and a bulk bag is provided on the bulk bag hanger; a bag clamping and sealing mechanism is further provided on the unpacking machine frame; a material cut-off assembly connected to the unpacking machine frame is provided below the bulk bag; and the material cut-off assembly comprises a base, a cover plate is provided at the top of the base, a first three-shaft cylinder is provided on the left side of the base, a first connecting plate is fixedly connected to an output shaft of the first three-shaft cylinder, and a guide valve plate is fixedly connected to the first connecting plate. In the present invention, the material cut-off action time can be controlled within 1 second, the efficiency is improved by 90% or above, the material loss rate in the material cut-off process can be reduced by 80% or above, and full-automatic control is achieved, without manual operation.

A packaging bag opening device relates to the field of material unsealing and comprises a working table, a bag opening device, a bag opening device, a bag opening device, a bag opening device, a bag opening device, a bag opening device, a bag opening device and a bag opening device, and is characterized in that a through hole is formed in the center of the working table; the transferring mechanism comprises a supporting frame which is arranged above the workbench and coaxial with the through hole, the supporting frame is in a cross shape, a push plate which moves along the track of the supporting frame and vertically moves is arranged below the supporting frame, and when the push plate is located in the center of the supporting frame, the push plate rotates around the axis of the push plate and is used for pushing packaging bags. The bag opening mechanism comprises a plurality of bearing plates rotationally installed on the workbench in a circumferential array mode, the side faces of the bearing plates are U-shaped, the bearing plates are used for bearing packaging bags, a limiting plate with the section in an isosceles triangle shape is arranged on the side, away from the center of the workbench, of each bearing plate, and a through groove with the two ends penetrating through is formed in the vertex angle side of each limiting plate in the length direction of the limiting plate. A cutting knife moving in the length direction of the through groove is arranged in the through groove and used for cutting the packaging bag. The device can quickly transfer the packaging bags and open the bags in batches, so that the efficiency is improved, and the labor intensity is reduced.

The invention relates to a device (1) for handling containers (F) comprising: a robot device (2) which is configured (i) to operate an opening element (6) provided on / in a container (F) in such a way that the robot device (2) has access to an interior of the container (F) via the opening element (6), and (ii) to subsequently fill and / or empty the container (F) via the opening element (6).

The invention discloses an improved jute bag tobacco bale unpacking device and method and a storage medium thereof.The improved jute bag tobacco bale unpacking device comprises a control device, a robot and a conveying system and further comprises a bale cutting device arranged above the conveying device; the dust removal device is arranged above the outlet end of the bag cutting device; the belt conveyor is lifted; the blanking device is connected to the outlet end of the lifting conveying belt conveyor; the grabbing device is detachably mounted on the robot; the storage racks are located on the two sides of the robot grabbing device correspondingly; and the visual detection device is arranged above the two storage racks. The bag opening mode can be accurately controlled, due to the fact that the multiple dust collecting openings are formed, on one hand, generated dust can be effectively collected and discharged, on the other hand, the source and the flow direction of the dust can be better controlled, the purity and the quality of products are improved, meanwhile, due to the arrangement of the special shape of the cutting knife, the cutting efficiency can be improved, material losses are reduced, and the product quality is improved. The safety can be enhanced, and the pollution is reduced.

The invention belongs to the technical field of pharmaceutical production equipment, and provides a dust-free screening and feeding device for pharmacy and a feeding method. A conveyor belt; a turntable; and a cutting knife. Through the arrangement of the plurality of rotating discs and the material boxes, material powder falls into the plurality of material boxes, and the material powder is transferred to the screen part by part through the plurality of material boxes, so that the amount of powder discharged from the outlet every time is relatively small, the amount of dust raised after the small amount of material powder impacts the screen is relatively small, and the dust raising range is relatively small; in this way, the amount of dust passing through the filter element in the negative pressure mechanism can be effectively prevented from being too large, the situation that the service life of the filter element is shortened due to the fact that the amount of dust passing through the filter element is too large is effectively avoided, meanwhile, dust is effectively prevented from being adsorbed to the inner wall of the feeding box, and waste of material powder is avoided.

The invention discloses a feeding device for polyester production, and relates to the technical field of polyester production, the feeding device comprises a feeding frame, a bag breaking and feeding mechanism, a lifting and feeding mechanism and a bag conveying mechanism, the bag breaking and feeding mechanism comprises a plurality of material conveying rollers, and the material conveying rollers are arranged in a side frame; and the lifting feeding mechanism comprises a lifting groove, and the lifting groove is formed in the side wall of the side frame. A material bag is conveyed through a material conveying roller, when the material bag moves, the material bag is scratched through a bag breaking knife, so that raw materials for polyester production fall down, after the material bag stops, a lifting ring is driven to ascend, the material bag is punctured through a bag puncturing rod, then the material bag is pressed through a lifting cylinder, the material bag is fixed, then the lifting ring is driven to ascend, and the material bag ascends; the opening of the scratched part of the material bag is enlarged, the discharging speed is improved, the feeding efficiency is improved, the labor intensity of workers is reduced, and the production efficiency of polyester is improved.

The invention relates to the technical field of grain conveying, in particular to a grain processing and production conveying device which comprises two fixing frames, the two fixing frames are distributed front and back, a conveyor is arranged between the two fixing frames, fixing surrounding plates are fixedly installed at the tops of the two fixing frames, a supply component is arranged between the two fixing surrounding plates, and the supply component is connected with the conveyor. An opening part is arranged in the supply part, and a material shaking part is arranged on the front face of the supply part. The opening component is operated under the downward pressing effect of the supply component, a long opening is formed in the bottom of a jute bag containing grains, the grains in the jute bag are poured out through the long opening, manual bag opening is not needed, the convenience of grain transportation is improved, meanwhile, the downward speed of a vertical rod, a fixing corner connector and a bag supporting frame is gradually reduced, and the labor intensity of workers is lowered. And when the bag supporting frame moves downwards to drive the pressing plate to make contact with the top of the telescopic hanging rod, no impact sound is made, and the noise of device operation is reduced.