50 results about "Flexible intermediate bulk container" patented technology

The invention relates to container bag interior cleaning equipment, and relates to the technical field of container bags. The device comprises a workbench, the workbench is provided with a working frame, the working frame is connected with a plurality of positioning rods for sleeving flexible freight bags through a moving assembly, the moving assembly comprises a moving gear and a plurality of transmission gears, the moving gear and the transmission gears are rotationally connected to the working frame, and the transmission gears are arranged at intervals in the perimeter direction of the moving gear; a plurality of positioning racks are connected to the working frame in a sliding mode, the positioning racks are arranged in a radial mode with the center of the movable gear as the circle center, the positioning racks correspond to the positioning rods in a one-to-one mode, the positioning racks are meshed with the transmission gears, the positioning rods are fixed to the positioning racks, and a draught fan is arranged on one side of the working frame. And the output end of the fan faces the moving gear. The flexible freight bag supporting device has the effects that the positioning rods can support flexible freight bags with different hole diameters, and the applicability is good.

This invention belongs to the field of FIBC (Flexible Intermediate Bulk Container) packaging technology and discloses an automated stacking system, including a scissor-folding machine, a bag-stacking machine, a transfer mechanism, a pre-compression strapping machine, a compression strapping machine, and a control system arranged sequentially. The scissor-folding machine completes the initial folding of the FIBC through an automatically detachable bag-supporting mechanism. The bag-stacking machine uses multiple independently driven folding plates and auxiliary pressing components to achieve precise stacking. The transfer mechanism rotates the stacked bags and sends them to the pre-compression strapping machine. The pre-compression strapping machine uses a counterweight anti-rebound device to stack and pre-compress the bags. The compression strapping machine uses a tiltable fabric mechanism to stack and bundle multiple strapping units again. The control system is used to realize the time-series linkage and status monitoring of the entire production line. This automated stacking system constructs a fully automated stacking production line, significantly reducing manual labor input. Through structural optimization and collaborative control of each module, it significantly improves the efficiency and consistency of folding and packaging.

The invention relates to a flexible intermediate bulk container, FIBC, 01, having a bag body with a bag base 02 and at least one side wall 03. A plurality of carrying straps 08 each comprising a loop portion 05 and a connecting portion 14 are connected to the FIBC 01. At least one of the plurality of carrying straps 08 comprises a releasable portion 15 between the loop portion 05 and the connecting portion 14. A release assembly 13 releasably holds at least one of the plurality of carrying straps to an upper portion of the at least one side wall 03 at a portion adjacent the loop portion 05. The connecting portion 14 is fixed to the bag body at a location on or adjacent the bag base 02.

This utility model relates to the field of dust collection technology, specifically a dust collection device for sewing FIBCs (Flexible Intermediate Bulk Containers). It includes a support frame, a dust collection mechanism, and a connecting and fixing mechanism. The dust collection mechanism and the connecting and fixing mechanism are fixedly connected to the inside of the support frame, and casters are fixedly connected to the four corners of the bottom of the support frame. In this utility model, the protective plate, suction duct, and dust filter effectively prevent larger debris from entering the suction duct, avoiding damage to the internal structure of the duct and components such as the suction fan, thus protecting the integrity of the internal structure. Under the action of the suction fan driven by a servo motor, the suction duct can quickly form a stable negative pressure environment, promptly sucking in fiber debris and dust generated during sewing machine operation into the dust collection frame, greatly improving dust collection efficiency. The dust filter firmly intercepts dust debris, preventing leakage from the through-hole at the bottom of the dust collection frame, ensuring that dust debris is completely collected in the dust collection frame, avoiding secondary pollution, and significantly purifying the workshop environment.

This invention discloses a waste recycling device for FIBC (Flexible Intermediate Bulk Container) processing, relating to the field of comprehensive environmental utilization of solid waste. The device includes a hollow frame, a hydraulic rod mounted on the hollow frame, and a pressure plate mounted on the hydraulic rod. The equipment continuously feeds FIBC waste into a flattening machine. The pressure plate is automatically triggered by the weight of the waste, achieving a complete automatic cycle of feeding, weighting, triggering, compaction, resetting, and locking, thus improving waste recycling efficiency. When not in operation, the pressure plate is rigidly limited by a limiting mechanism, preventing hydraulic system depressurization or accidental drop. This ensures uniform compaction density of the plastic waste, reducing the mixing and adhesion of plastic and impurities due to insufficient compaction, facilitating subsequent separation of plastic from other components. It also protects core components such as the hydraulic rod and pressure plate, extending equipment lifespan, reducing maintenance costs, and contributing to the resource-based recycling of plastic waste and comprehensive utilization of solid waste.

The utility model discloses a kind of automatic detection device for the electrically conductive performance of container bag, comprising: base, rotatingly installed on the outer wall of the bottom of base rotating rod, first motor installed on the inner wall of the top of base and disc installed on the top of rotating rod, further comprising: installation frame installed on the outer wall one end of the top of base, lifting assembly is installed in the inner wall of installation frame, and lifting assembly both sides outer wall are evenly installed with moving assembly, two the sleeve of moving assembly one end is installed with, and top plate is installed on the top of installation frame.The utility model, can be driven by first motor to rotate container bag, cooperate moving assembly to adjust detection position, cover key parts of container bag, realize comprehensive detection;Wrinkle-removing assembly can eliminate bag surface wrinkle, ensure positive and negative electrode patch and container bag closely adhere, avoid poor contact to affect data accuracy;Overall automation operation improves detection efficiency, and adapt to different specifications container bag, enhance practicality.

The utility model relates to the technical field of flexible freight bags, and discloses a sling type moisture-proof flexible freight bag production sewing device which is characterized in that a base is rotationally connected with a threaded rod, the surface of the threaded rod is in threaded connection with a threaded block, the top of the threaded block is fixedly connected with a manufacturing table, and sliding grooves are formed in the two sides of the manufacturing table; a sliding seat is slidably connected into the sliding groove, a sliding rod is fixedly connected to the inner wall of the sliding seat, a sliding block is slidably connected to the surface of the sliding rod, an electric push rod is fixedly connected to the bottom of the sliding block, a positioning block is fixedly connected to the bottom of the electric push rod, and a mounting seat is fixedly connected to the middle side of the top of the base. Through cooperative use of the sliding seats, the sliding rods, the sliding blocks and the like, a worker pushes the two sliding seats to move on the sliding grooves so as to adapt to the flexible freight bags with different lengths, the position of the positioning block is changed through the sliding blocks so as to adapt to the flexible freight bags with different widths, the applicability of the device is greatly improved, and the device is convenient to use by the worker.

This utility model discloses a sewing machine assembly for producing FIBCs (Flexible Intermediate Bulk Containers), belonging to the field of FIBC production technology. It includes a mounting base; a first roller rotatably disposed at one end of the mounting base along its length, adapted to unwind the FIBC; a second roller rotatably disposed at the other end of the mounting base along its length, adapted to wind the FIBC; a sewing device adapted to move in the width and / or height direction; and a fixing member disposed between the first roller and the sewing device, and / or between the second roller and the sewing device, adapted to move in the height direction and cooperate with the mounting base to fix the FIBC. The sewing machine assembly designed according to this utility model has a high degree of automation, reducing the need for manual intervention, making the production process smoother and more efficient. Furthermore, by precisely controlling the sewing position and fixing, it avoids problems of inaccurate sewing or poor quality caused by FIBC slippage.

The utility model discloses a flexible freight bag circular material opening sewing machine which comprises a base, a moving assembly is installed on the top of the base, a supporting table is installed on the top of the moving assembly, a bearing in the supporting table is connected with a two-way screw rod, a flexible freight bag filled with materials is placed on the top of a placing frame, and a servo motor is started to drive the two-way screw rod to rotate. The two-way screw enables the threaded blocks in threaded connection with the two ends to move synchronously, the threaded blocks push the hinged plates, the hinged plates push the supporting bases hinged to the other ends and the containing frames installed on the tops of the supporting bases to move upwards or downwards in the supporting table, and the height of the flexible freight bags is adjusted according to the sewing positions of the flexible freight bags. The electric sliding block slides on the outer side of the electric sliding rod and drives the supporting table installed on the top to move, and when the flexible freight bag on the top of the supporting table passes through the sewing machine, sewing treatment is conducted on a circular material opening of the flexible freight bag, so that the production efficiency of the flexible freight bag is improved, and meanwhile the labor force of workers is reduced.

The utility model discloses folding equipment for composite container bag production, which comprises a base, a sliding rail is arranged on the base, a pressing plate is arranged on the base, the pressing plate is rotatably connected with the base through a mounting rod, a first gear is sleeved on the mounting rod, a first rack is arranged in the base, a first cylinder is arranged in the base, and a second gear is sleeved on the first cylinder. The first rack is connected with the output end of a piston rod of the first air cylinder, the first rack is connected with the first gear in a meshed mode, the first rack is slidably connected with the base, the base is provided with a pressing seat, the pressing seat corresponds to the pressing plate, the pressing plate is provided with a pressing rod, the pressing plate is provided with a sliding rod, and the sliding rod corresponds to the sliding rail. The pressing plate is slidably connected with the base through the sliding rod, the base and the pressing plate are arranged to be matched with the pressing seat to achieve automatic folding of the flexible freight bags, automatic fixing of the flexible freight bags of different models is achieved through the arranged pressing plate, and the application range of the device is widened.

The invention discloses an automatic winding and unwinding device for M-fold flexible freight bags, which relates to the field of flexible freight bag production equipment and comprises a bottom plate, a rack, a deviation rectifying assembly, a guide roller assembly, a winding assembly, an unwinding assembly, a driving assembly and a control panel. The rack is slidably connected to the top of the bottom plate through the deviation rectifying assembly, and the deviation rectifying assembly comprises a hydraulic telescopic rod and a linear sliding rail and is used for driving the whole machine to transversely move so as to achieve automatic alignment. The guide roller assembly, the winding assembly and the unwinding assembly are sequentially installed on the machine frame in the material conveying direction and are synchronously driven by a motor and a chain system in the same driving assembly. The winding assembly comprises a sand blasting roller capable of being adjusted front and back, a mirror surface roller and a chain pressing mechanism, and the pressing mechanism provides constant pressure changing in a self-adaptive mode along with the diameter of a cloth roll through an elastic element. The unwinding assembly is provided with a turnover lifting arc-shaped plate. The problems that alignment is difficult, winding is not solid, discharging is not safe and the like are solved, and efficient and high-quality automatic winding and unwinding operation is achieved.

The utility model provides a processing support for sewing flexible freight bags, which belongs to the technical field of flexible freight bag processing and comprises a base, a bearing plate, four first pressing pieces, a driving mechanism, four push-pull mechanisms and four second pressing pieces. The base is provided with a center plate and a long strip plate, and sewing holes are formed in the long strip plate. The bearing plate is mounted above the base and is provided with four mounting positions, and one end of the first pressing part is connected with the mounting positions; the driving mechanism is installed on the center plate, the free end of the driving mechanism is connected with the bearing plate, and the push-pull mechanism is fixedly installed on the bearing plate and corresponds to the first downward pressing piece. One end of the second pressing piece is fixedly connected with the corresponding push-pull mechanism, and the other end of the second pressing piece is located on the side, away from the bearing plate, of the first pressing piece. According to the processing support for sewing the flexible freight bags, the abutted seam positions of the flexible freight bags cannot move, the butt joint accuracy of the abutted seams is high, and the processing quality of the flexible freight bags is improved.

According to the container bag convenient to discharge, a bottom piece is fixed to the bottom end of a container bag body through a zipper, a first reinforcing ring is arranged on the outer wall of the bottom piece, a second reinforcing ring is arranged on the top of the container bag body, a plurality of first fixing rings are arranged on the peripheral side of the first reinforcing ring, and a plurality of second fixing rings are arranged on the peripheral side of the second reinforcing ring. A plurality of reinforcing ropes are arranged between the second reinforcing ring and the first reinforcing ring, hooks capable of penetrating through the first fixing ring and the second fixing ring are arranged at the two ends of each reinforcing rope, when materials need to be discharged, the zipper is unzipped, then the flexible freight bag body is pulled, and at the moment, the materials in the flexible freight bag body can be discharged from the bottom of the flexible freight bag body. Materials in the container bag body can be discharged very conveniently.

The utility model provides a base cloth cutting device for flexible freight bag processing, and relates to the field of cutting equipment. Comprising a base, a placing plate and a cutting machine, a sliding groove is formed in the upper surface of the base, a moving assembly used for driving the placing plate to move is arranged in the sliding groove, limiting plates are symmetrically and fixedly connected to the upper surface of the placing plate, and clamping assemblies used for fixing the flexible freight bag base cloth between the limiting plates are arranged on the side faces of the limiting plates. According to the base cloth cutting device for flexible freight bag processing, base cloth is placed on the upper surface of a placing plate, the base cloth is clamped and fixed between two limiting plates through a clamping assembly, and a second electric telescopic rod is started to enable the telescopic end of the second electric telescopic rod to drive a fixing disc to move downwards to make contact with the upper surface of the base cloth; the base cloth is vertically clamped and fixed to the upper surface of the containing plate, the moving assembly drives the clamped base cloth to move to the cutting machine to be cut, cutting deviation caused by sliding in the cutting process is prevented, and the cutting efficiency is improved.

The utility model relates to the field of environmental protection equipment, and discloses an improved dust collector dust special container bag which comprises a bag body, an anti-static assembly is arranged on the bottom side of the bag body and used for preventing static electricity from being gathered in the bag body, an installation sleeve is fixedly connected to the top side of the bag body, a fixing strip is slidably connected to the interior of the installation sleeve, and the fixing strip is fixedly connected with the bag body. A fixing block is fixedly connected to one side of the fixing strip, the other side of the fixing strip is slidably connected to the interior of the fixing block, a plurality of evenly-distributed teeth are fixedly connected to the other side of the fixing strip, a moving shaft is slidably connected to the interior of the fixing block, and a limiting plate is fixedly connected to one end of the moving shaft. According to the utility model, one end of the fixing strip slides in the fixing block and can drive the bag opening of the bag body to contract, so that the bag opening of the bag body can be quickly fixed outside the discharge pipe of the dust remover, and any static electricity accumulated in the container bag can be ensured to be safely released through a grounding system by installing the conductive grounding wire.

The invention relates to the technical field of flexible freight bag processing, and particularly discloses a multilayer polyethylene composite inner bag for a flexible freight bag and a processing technology. The multi-layer polyethylene composite inner bag comprises a multi-layer polyethylene composite film, and the multi-layer polyethylene composite film comprises an inner layer and an outer layer; the inner layer is mainly prepared from the following raw materials: high-density polyethylene, linear low-density polyethylene, a polyolefin elastomer, an ethylene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, modified silicon dioxide and an antioxidant; the outer layer is mainly prepared from the following raw materials: linear low-density polyethylene, low-density polyethylene, an ethylene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, polyadipic acid / butylene terephthalate and an antioxidant. The multi-layer polyethylene composite inner bag for the flexible freight bag has the advantages of high tensile strength, high peel strength, good wear resistance and good flexibility, can effectively reduce wear, reduces cracks and fractures, prolongs the service life, and meets market requirements.

The utility model discloses a kind of tensile strengthening structure of bag body of flexitank, including high-efficiency buffering tensile component, the high-efficiency buffering tensile component includes first woven reinforcing belt, first elastic band, second woven reinforcing belt and second elastic band, the first woven reinforcing belt is fixedly sewn in bag body other two sides, first woven reinforcing belt end fixedly sewn connection bandage, first woven reinforcing belt middle fixedly sewn connection first elastic band, the second woven reinforcing belt fixedly sewn connection is in bag body bottom, second woven reinforcing belt end one side fixedly sewn connection bandage, second woven reinforcing belt between fixedly sewn connection second elastic band.The utility model first elastic band and second elastic band can be deformed with stress, avoid the first woven reinforcing belt and second woven reinforcing belt of connection directly fracture due to deformation variable limited, prolong bag body service life.

The utility model relates to the technical field of flexible freight bags, and discloses a multi-chamber wear-resistant flexible freight bag which comprises a flexible freight bag main body, the inner wall of the flexible freight bag main body is fixedly connected with a mounting cloth strip, the outer wall of the mounting cloth strip is fixedly connected with a secondary hook-and-loop fastener, the outer wall of the secondary hook-and-loop fastener is movably connected with a primary hook-and-loop fastener, and the secondary hook-and-loop fastener is fixedly connected with a secondary hook-and-loop fastener. The outer wall of the female hook-and-loop fastener is fixedly connected with a separation frame, and the outer wall of the container bag body is fixedly connected with a handle. According to the multi-cavity wear-resistant flexible freight bag, through the arrangement of the flexible freight bag main body, the covering cloth, the handle, the separation frame, the secondary hook-and-loop fasteners, the mounting cloth strips and the primary hook-and-loop fasteners, the interior of the flexible freight bag can be divided into a plurality of cavities according to needs when articles are packaged by the flexible freight bag, so that the articles are conveniently classified and packaged; and the situation that the packaging space is wasted due to the fact that the packaging amount of a single article is small is avoided, the flexibility of the container bag in use is improved, and convenience is provided for people in use.

The application discloses a load-bearing performance testing device and application in flexible container production, and relates to the technical field of packaging material detection. The load-bearing performance testing device comprises a bearing frame, a hydraulic cylinder and a lifting assembly. The lifting assembly comprises a hollow seat, a supporting plate and a lifting part. The telescopic end of the hydraulic cylinder penetrates through the hollow seat and is provided with a pressing plate. A first pressure sensor is arranged in the oil circuit of the hydraulic cylinder. The application solves the problems of uneven density distribution, blind area and slope accumulation of materials when the materials are continuously conveyed into the flexible container by intermittently and repeatedly impacting the outer side of the flexible container by the push plate. The conditions are consistent when the load-bearing performance of multiple flexible containers is tested, and the test result is more accurate. Through the control of the extension length of the first pushing part and the second pushing part, the center of gravity of the flexible container can be adjusted in time according to the input amount of the materials in the flexible container during the feeding process, so that the materials in the flexible container are uniformly distributed.

1. Name of the designed product: packing bag (M-fold inner reinforcing rib). 2. Use of the designed product: suitable for the transportation and packaging of bulk cement, grain, chemical raw materials, feed, starch, mineral, and other powder and granular objects, as well as pharmaceutical raw materials, plastic raw materials, food additives, feed additives, refractory materials, chemical powders, iron ore, and other powdery, granular, and blocky objects. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention relates to the technical field of flexible freight bag production, and discloses flexible freight bag production equipment which comprises a supporting frame, a winding mechanism, a tension adjusting mechanism and a driving mechanism, the winding mechanism comprises an air expansion shaft, a plurality of adjusting blocks, a winding shaft and an adjusting assembly, and the air expansion shaft is rotationally connected to the supporting frame through the driving mechanism; the multiple adjusting blocks are fixedly connected to the surface of the air expansion shaft, the air expansion shaft is sleeved with the winding shaft, multiple through grooves are evenly formed in the periphery of the winding shaft, the adjusting assembly is used for pressing and limiting cloth, and the tension adjusting mechanism is used for adjusting the tension of the cloth in the winding process. According to the cloth feeding device, in the releasing process of the cloth on the winding shaft, the tension changed due to cloth releasing can be continuously adjusted and balanced, and therefore the situation that due to uneven cloth feeding, the cutting length error is increased, and the specification consistency of products is affected is effectively prevented.

The invention relates to a shading and moisture-proof container bag material and a preparation method thereof, and the shading and moisture-proof container bag material comprises a shading protective layer, a moisture-proof functional layer, a barrier strengthening layer and an inner contact layer, the barrier reinforced layer is prepared from the following raw materials in parts by mass: 30 to 40 parts of ethylene-vinyl alcohol copolymer, 20 to 30 parts of graft modified polyethylene, 10 to 15 parts of compatibilized nano boehmite, 3 to 8 parts of sulfonated modified SBS (Styrene Butadiene Styrene) and 0.5 to 1.5 parts of citric acid. The flexible freight bag material prepared by the invention has good shading performance, moisture resistance and tensile property, substances in the material have low migration rate, and the flexible freight bag material has good safety and reliability in application.

The utility model relates to the technical field of flexible freight bags, and discloses an outer barrier type leakproof flexible freight bag, the inner side of an outer mold is fixedly connected with an iron wire net, the inner side of the iron wire net is fixedly connected with a rubber layer, and lifting assemblies are arranged in two adjacent containing grooves. The iron gauze can integrally support the outer mold and the inner mold, material delivery is facilitated, collapse of the outer mold and the inner mold is avoided, meanwhile, the use strength of the outer mold and the inner mold is improved, and when the outer mold is subjected to external force in cooperation with the use of the rubber layer, the outer mold is not prone to falling off when the outer mold is subjected to external force. Due to the fact that the rubber layer has the material characteristic of strong toughness, the flexible freight bag is not prone to being punctured, if the flexible freight bag is punctured due to large force, the rubber layer can be automatically closed due to the resilience characteristic, and therefore materials are not prone to being leaked immediately after the flexible freight bag is punctured, the materials are prevented from being scattered on the ground, and troubles brought to work of workers are avoided.

The utility model discloses a pneumatic bag pressing machine for flexible freight bag processing, and relates to the technical field of flexible freight bag processing. The pneumatic bag pressing machine for flexible freight bag processing comprises a bottom plate, a mounting frame is fixedly mounted at the top of the bottom plate, a supporting frame is fixedly mounted at the bottom of the bottom plate, two sets of limiting plates are fixedly mounted at the top of the bottom plate and distributed left and right, a flexible freight bag is arranged between the two sets of limiting plates, and a transmission mechanism is arranged in the supporting frame; the transmission mechanism comprises a rotating rod rotationally installed in the supporting frame, so that when the device conducts bag pressing treatment on the flexible freight bag, along with descending of the bag pressing plate, the grinding roller can automatically move forwards, and therefore part of air in the flexible freight bag is extruded out in advance; and the rolling rollers can longitudinally move to a certain extent along with the thicknesses of the container bags when extruding the container bags, so that the device can adapt to the container bags with different thicknesses, the working steps of the device are reduced, and meanwhile, the bag pressing effect of the device is improved.

The utility model discloses an electrostatic eliminating device for flexible freight bag processing, which comprises a bottom plate, a conveyor belt and an electrostatic eliminating component, the bottom of the conveyor belt is fixedly mounted on the top of the bottom plate, the bottom of the electrostatic eliminating component is fixedly mounted on the top of the bottom plate, and the electrostatic eliminating component comprises an air cylinder, a frame plate, a mounting plate, a connecting block and an electrostatic eliminating roller. The bottom of the air cylinder and the top of the bottom plate are fixedly mounted, the bottom of the frame plate and the top end of the air cylinder are fixedly mounted, the end of the mounting plate and the middle of the frame plate are detachably mounted, the top of the connecting block and the bottom of the mounting plate are fixedly mounted, and the middle of the static electricity removing roller and the inner surface of the connecting block are rotationally mounted. By arranging the static electricity removing assembly, static electricity in the static electricity removing roller can be guided out in the process that the static electricity removing roller rotates along the surface of the flexible freight bag, so that the static electricity in the flexible freight bag is effectively released, through the static electricity removing assembly and the dust collection mechanism, the effect of removing static electricity and impurities on the surface of the flexible freight bag is achieved, and the production and processing quality of the flexible freight bag is improved.

The invention discloses a winding device for flexible freight bag production, and relates to the technical field of flexible freight bag production, the winding device comprises a workbench and a winding drum, and further comprises a winding assembly arranged on one side of the top of the workbench, the winding assembly comprises a fixing plate and a limiting assembly arranged on the other side of the top of the workbench, the fixing plate is fixedly installed on one side of the top of the workbench, and the limiting assembly is fixedly installed on the other side of the top of the workbench; a mounting plate is fixedly mounted on one side of the fixing plate, a rotating motor is fixedly mounted at the top of the mounting plate, and the output end of the rotating motor penetrates through the fixing plate and is fixedly provided with a rotating plate; the winding drum can be fixed through operation of the rotating motor, the flexible freight bag can be wound, the winding drum can automatically lose limit after the rotating motor stops running, then the winding drum can be directly taken down after shutdown, workers can conveniently disassemble the winding drum, shutdown time is shortened, operation is more convenient and faster, and production continuity is improved.

The present application relates to the technical field of model simulation, and more particularly to a kind of automatic equipment virtual debugging system and method of bag based on 3D model technology.The method comprises the following steps: constructing the three-dimensional digital twin model of bag automatic equipment, real-time acquisition temperature distribution data, feeding tension data and environmental humidity data in the process of equipment operation;When detecting that the change rate of temperature distribution data on spatial distribution exceeds the preset threshold, the material extension deviation value of bag is calculated;By calculating the cross-correlation coefficient of feeding tension data and cutting position deviation signal under different time delay, a position deviation prediction model based on the lag characteristic is established;The extension deviation value and the cutting position deviation value predicted by the position deviation prediction model are vector superimposed to form position compensation parameters.The present application significantly improves cutting accuracy and material utilization rate through data-driven prediction and compensation mechanism.

The utility model relates to the technical field of flexible freight bags, in particular to a four-piece type bottleneck inner bag shroud anti-expansion flexible freight bag which comprises an outer bag body and a protective device, an inner bag body is installed on the inner wall of the outer bag body, four hanging belts are arranged on the surface of the outer bag body, a bottleneck opening is formed in the surface of the inner bag body, a shroud body is arranged on the outer side of the outer bag body, and the protective device is arranged on the inner wall of the outer bag body. The protective device is arranged on the surface of the outer bag body, the protective device comprises two first intercepting rods and two second intercepting rods, and the number of the first intercepting rods and the number of the second intercepting rods are respectively two. The damage or displacement of goods caused by excessive expansion of the flexible freight bag can be reduced, the service life of the flexible freight bag is prolonged, the consistency of the size of the flexible freight bag can be kept, transportation and warehouse management are facilitated, and the overall practicability of the flexible freight bag is improved.

The invention relates to sealable polypropylene (FIBC) and FIBC parts. A sealable fabric (1) for a flexible intermediate bulk container (FIBC) containing bulk material comprises a woven fabric (10) comprising polypropylene, a coating (20) comprising polypropylene, and a sealable film (30) comprising sealable polypropylene, in particular a sealable polypropylene resin.

The utility model relates to the technical field of container bags, and discloses a container bag with high load bearing strength, which comprises an outer layer bag, a plurality of inner layer bags are arranged in the outer layer bag, the inner walls of the inner layer bags are fixedly connected with connecting belts I, connecting rings are connected in the connecting belts I in a sliding manner, fixing shafts are fixedly connected in the connecting rings, and the fixing shafts are fixedly connected with the inner walls of the inner layer bags. A convex block is fixedly connected to the interior of the connecting ring, a movable block is rotatably connected to the outer wall of the fixed shaft, a wedging block is fixedly connected to the interior of the movable block, one side of the outer wall of the wedging block abuts against the outer wall of the connecting ring, a second connecting belt is slidably connected to the interior of the connecting ring, and a bearing belt is fixedly connected to the interior of the second connecting belt. According to the flexible freight bag, the second connecting belt is connected to the outer layer bag through the connecting ring, so that the inner layer bag is fixed, the second connecting belt is fixed to the lifting belt through the bearing belt, the pressure of the outer layer bag is reduced, the service life of the outer layer bag is prolonged, the bearing capacity is improved, the internal space is fully utilized, and the practicability of the flexible freight bag is improved.