49results about "Sack sewing" patented technology

The invention discloses medicine bag sewing equipment and a sewing method. The medicine bag sewing equipment comprises a sewing machine body; the bedplate is arranged below a machine needle of the sewing machine body; a positioning pin capable of movably lifting is mounted at the position, corresponding to the machine needle, of the bedplate; the limiting device is used for conveying the medicine bag to the position below the machine needle; the limiting device comprises a limiting assembly, a clamping assembly and a moving assembly, the limiting assembly is used for pre-positioning the medicine bag, the clamping assembly is used for clamping the medicine bag placed on the limiting assembly, and the moving assembly is used for driving the clamping assembly and the limiting assembly to move; the thread end cutting device is arranged on the periphery of the machine needle; the thread end cutting device comprises a thread hooking assembly and a scissor assembly, the thread hooking assembly is used for hooking the suture line before the medicine bag is sewn, and the scissor assembly is used for cutting off the suture line between the thread hooking assembly and the medicine bag. According to the medicine bag sewing equipment, the stability of the medicine bag can be ensured, the sewing risk is reduced, the production requirement of the medicine bag is met, and the yield and the processing efficiency are improved.

The utility model discloses a flexible freight bag sling sewing machine, and relates to the field of flexible freight bag processing, in particular to a flexible freight bag sling sewing machine which comprises a sewing machine body, the body is provided with a U-shaped supporting plate, the supporting plate is provided with a positioning strip used for supporting a flexible freight bag sling, the positioning strip is internally provided with a movable cavity, and the movable cavity is internally provided with a clamping groove. According to the flexible freight bag sewing machine, the problems that when an existing flexible freight bag sewing machine is used for sewing the hanging belts, the fixing effect on the hanging belts is poor, the hanging belts are prone to deformation, sewing lines can move, use of the flexible freight bags can be affected, and the safety of the flexible freight bags is affected are solved. Moreover, the widths of different suspenders are different, and the required positions of suture lines are also different.

This invention relates to the field of pillowcase production line technology, specifically a novel pillowcase production line, comprising a feeding module, an edge-rolling and sewing module, a fabric cutting module, a side-sewing and sewing module, a bottom-sewing and sewing module, and a pocket-turning and material-collecting module arranged sequentially along the material flow direction. The feeding module provides and conveys continuous pillowcase fabric; the edge-rolling and sewing module automatically rolls and sews one edge of the pillowcase fabric. This invention significantly improves production efficiency and capacity: by integrating seven major processes—feeding, edge rolling, cutting, side sewing, bottom sewing, pocket turning, and material collection—into a continuous production line, it achieves fully automated production from roll material to finished product. In particular, designs such as "non-stop fabric connection," "buffer roller module," and "accelerated inter-process transfer" greatly reduce non-productive downtime, significantly accelerating the overall production cycle and fundamentally improving capacity.

The utility model provides a sewing device for a safety air bag, which relates to the technical field of safety air bag sewing and comprises a workbench, a transmission component is arranged on the workbench and comprises a turntable, a rotating frame is fixedly connected onto the turntable, a second rotating shaft is rotatably connected onto the rotating frame, and a second fixing block is fixedly connected onto the second rotating shaft. A first rotating shaft is fixedly connected to the second fixing block, a connecting block is rotatably connected to the end, away from the second fixing block, of the first rotating shaft, a pricking needle is fixedly connected to the bottom of the connecting block, a fixing frame is fixedly connected to the workbench, a transmission frame is slidably connected to the fixing frame on the workbench, and a compression part is fixedly connected to the bottom of the transmission frame; the counter-acting force of the material to the sewing needle is more stable, the sewing convenience is improved, and the problems that in the prior art, when a safety air bag with high strength is sewn, a pricking needle is likely to be broken, and sewing is not easy are solved.

The utility model discloses a sewing and sealing device, and particularly relates to the technical field of sealing devices, the sewing and sealing device comprises a supporting plate, a sewing machine used for sealing a feed packaging bag is installed at the top of the supporting plate, and a positioning assembly used for fixing a bag product is arranged at the top of the supporting plate; the positioning assembly comprises a bottom plate, the bottom plate is installed on the top of the supporting plate, and installation plates are installed at the two ends of the bottom plate. The fixing column is taken out by rotating the dismounting screw rod, so that the fixing column does not limit the fixing pipe, a worker can directly take out the pressing plate, the spring and the fixing pipe through the bottom groove, the middle groove and the top groove conveniently, and the pressing plate is movably connected with the fixing pipe, so that the worker can dismount and replace the spring and the pressing plate conveniently; and the shifting plate is connected with the movable shaft by virtue of the bolt, so that a worker can conveniently disassemble the shifting plate for replacement and maintenance, and the convenience of the worker in overhauling the device can be improved.

The utility model provides a steel ring nesting device of a filter bag sewing production line. In the production process of a filter bag, after a filter material is cut in sections, the filter material needs to be pasted and covered on the surface of a steel ring, so that a special material sleeving device is needed. According to the steel ring nesting device of the filter bag sewing production line, a material guiding strip is fixedly installed at the middle section position of a rack and serves as a feeding end, a first conveying wheel set is installed above the material guiding strip, a second conveying wheel set is installed at the horizontal position behind the first conveying wheel set, and a gluing mechanism is installed between the second conveying wheel set and the first conveying wheel set and comprises a rubber wheel and a rubber box; the rubber box is installed below the position between the second conveying wheel set and the first conveying wheel set, the rubber wheel is installed in the rubber box, the top of the rubber wheel is slightly higher than the height of the material guiding strip, and a material pressing mechanism used for pressing the filter material and the steel ring is installed behind the second conveying wheel set and comprises a supporting wheel and a pressing wheel. The supporting wheel is installed behind the second conveying wheel set and connected with a first rotating motor, the bottom of the supporting wheel is flush with the material guiding strip, the pressing wheel is installed above the supporting wheel and connected with a second rotating motor, the second rotating motor is installed in an installation piece, and the top of the installation piece is vertically connected with a first push rod motor. The outer ring of the supporting wheel is further provided with a discharging mechanism used for discharging after steel ring sleeving is completed. By arranging the coherent wheel set structure, the sleeving process from gluing of the filter material to sticking and covering of the filter material on the surface of the steel ring can be well completed.

The utility model relates to the technical field of textile machinery, in particular to an automatic woven bag seaming device with a dragging function, which comprises a supporting seat, a seaming device and a seaming device, the transfer table is arranged on the linear guide rail and moves along the linear guide rail, and the woven bag is arranged on the transfer table; the upper pressing and pulling assembly and the lower pressing and pulling assembly are oppositely arranged up and down, and the upper and lower rollers are obliquely arranged and used for tightly pulling a seal of a woven bag; the sewing machine is arranged on one side of the upper pressing and dragging assembly and one side of the lower pressing and dragging assembly and used for sewing a woven bag opening. Through rollers which are arranged in an up-and-down opposite inclined mode and are arranged on the upper pressing and dragging assembly and the lower pressing and dragging assembly, effective dragging of a woven bag opening is achieved, the tension in the sewing process is ensured, and therefore the sewing quality is improved; due to reasonable space arrangement, the device is more compact and attractive.

Machine (10) for turning a bag-shaped textile article, for example a cushion cover, comprising: - a support structure (2), which defines a main X axis; - a first body (3), slidingly associated with said support structure (2), internally defining a housing volume (31) extending along said X axis between a first inlet opening (32) and a second outlet opening (33), and configured to be wrapped at least partially by said textile article in correspondence with said first opening (32); - a second body (4) slidingly associated with said support structure (2), extending along said X axis, and configured to be moved along said X axis, to intercept said textile article and cross said housing volume (31) from said first opening (32) towards said second opening (33) by at least partially turning said bag-shaped textile article, characterized by comprising pusher means (5) mechanically associated with said second body (4) and movable between a retracted configuration, in which they are housed inside said second body (4), and an extended configuration in which they intercept said textile article turned inside out to lay it flat.

The invention discloses an automatic cutting container bag sewing machine, which relates to the technical field of sewing equipment, and comprises a transmission sewing mechanism, a vertical plate, a first bracket, a first rotating frame, a bottom plate, a second rotating frame, a third rotating frame, a second bracket, a third bracket, a fixed plate, a center frame and a cutting mechanism, a sewing machine is arranged in the center of the conveying and sewing mechanism and used for sewing and conveying the container bags; the two sets of cutting mechanisms are arranged left and right and fixed to the bottom plate through fixing plates correspondingly, and the cutting mechanisms are provided with cutter feeding plates and cutter groove plates which move in the two directions and used for cutting the container bags in a two-way moving cutting mode. The center frame is fixed to the middle of the upper portion of the bottom plate, located between the two cutting mechanisms and used for connecting the two cutting mechanisms. The technical effects that the cutting process stability is improved, the cutting effect is improved, the cutting precision is improved, and the production efficiency is improved can be achieved.

The utility model discloses a double-needle double-thread handheld bag sealing machine which comprises a machine head, a lifting and pressing rod and a machine needle rod are further arranged on the machine head, a material pressing plate is arranged at the tail end of the lifting and pressing rod, a needle separating piece is arranged on the machine needle rod, and two sets of fixing holes and sewing needles are arranged on the needle separating piece. The needle separating piece is hinged and rotated or fixedly arranged relative to the machine needle rod through a radial screw, and two kidney-shaped needle penetrating holes are formed in the material pressing plate and are opposite to fixing holes in the needle separating piece. According to the double-needle and double-thread handheld bag sealing machine, the needle separating structure is arranged, double-needle sewing is synchronously driven by the machine head, double-needle and double-thread bag sealing can be rapidly conducted on a bag body, the needle separating piece can be manually adjusted, and the bag body can be conveniently sealed by rotating the needle separating piece and the bottom hook needles correspondingly arranged in the machine head. The relative distance between the two sewing threads and the gap between the sewing needles can be rapidly adjusted, the sewing and packaging effect is improved, and good packaging practicability and adaptability are achieved.

The invention discloses an automatic hemming machine for pillow production, which comprises a bottom mounting assembly, a main mounting assembly arranged on the bottom mounting assembly, a transverse transfer assembly arranged on the front side of the main mounting assembly, a transverse guide assembly arranged on the main mounting assembly, and an auxiliary connecting assembly arranged on the transverse transfer assembly. A moving plate is arranged at the moving part of the transverse guide assembly, a supporting piece assembly is arranged on the transverse guide assembly, a first supporting piece, a second supporting piece, a third supporting piece and a fourth supporting piece are arranged on the bottom mounting assembly, and a sewing and cutting assembly is arranged on the bottom mounting assembly and located between the third supporting piece and the fourth supporting piece. The automatic hemming machine has the advantages that the automatic hemming machine is ingenious in structural design, high in practicability, stable in work and operation and suitable for hemming operation of pillows of different specifications, by means of the automatic hemming machine, the hemming operation efficiency is greatly improved, manual operation is reduced, occupied space is reduced, and meanwhile the hemming quality of products is improved.

The invention discloses a sand filling pipe bag for hydraulic slurry making in-situ pressure filling and a construction method. The sand filling pipe bag comprises a bag body, a plurality of grouting cuffs and a plurality of drainage cuffs, wherein the grouting cuffs and the drainage cuffs are arranged on the bag body; a cavity is formed in the bag body and filled with hydraulic reclamation mortar. Each grouting sleeve opening is connected with a grouting pipe, and each drainage sleeve opening is connected with a drainage pipeline. The filling mortar is injected into the sand filling pipe bag in a hydraulic reclamation mode, in the process, the concentration of the filling mortar does not need to be controlled through a mechanical device, the filling mortar is directly injected into the sand filling pipe bag, redundant water in the filling mortar is extracted through an air pump externally connected with the drainage channel, and in the process, the sand filling efficiency of the sand filling pipe bag can be improved; and meanwhile, the pressure in the sand bag is controlled by the sucking pump, so that the sand filling pipe bag is prevented from being broken due to overhigh pressure.

The utility model provides truss type double-station automatic sewing equipment for flexible freight bags. According to the truss type double-station automatic sewing equipment for the container bags, a second adjusting assembly is installed at the position, close to the back face, of the top of a bottom plate, the second adjusting assembly comprises a fixing frame, and a driving motor is installed on one side of the fixing frame through an installation shell; a bidirectional threaded rod is mounted at the output end of the driving motor through an angle sensor, a first sliding rod is mounted at the position, close to the bottom, in the fixing frame, two internal threaded blocks are in threaded connection with the outer surface of the bidirectional threaded rod, and mounting plates are mounted at the tops of the two internal threaded blocks through connecting bolts. According to the truss type double-station automatic sewing equipment for the flexible freight bags, through the design, the distance between the automatic sewing equipment can be rapidly adjusted according to requirements, the truss type double-station automatic sewing equipment is suitable for the flexible freight bags of different models and sizes, and the sewing efficiency of the flexible freight bags of different sizes is improved.

The non-woven fabric flour stitching device convenient to feed comprises a conveying frame, a mounting frame is arranged on the left side of the upper end of the conveying frame, and the non-woven fabric flour stitching device further comprises a feeding mechanism; the feeding mechanism comprises an adjusting seat, a fixing seat, mounting plates and clamping plates, the adjusting seat is slidably connected with a sliding groove formed in the middle of the top wall of the mounting frame, the fixing seat is arranged at the lower end of the adjusting seat, and the mounting plates are arranged on the left side and the right side of the outer arc surface of the fixing seat correspondingly; a clamping plate is rotationally connected between the opposite inner side faces of every two longitudinally adjacent mounting plates, and the non-woven fabric flour stitching device further comprises a control switch set which is arranged at the front end of the conveying frame. The traditional mode that semi-automatic equipment such as a push rod, a slide way or a roller is used for assisting manual feeding can be replaced, the occupied space is reduced while the feeding efficiency is improved, and the working intensity of workers is further reduced.

The utility model provides a pressing and fixing mechanism for sewing a flexible freight bag, which belongs to the technical field of flexible freight bag processing and comprises an extrusion structure, a support frame, a lifting driver, a guide structure, a connecting component and a driving arm, the extrusion structure is provided with a first pressing surface, a second pressing surface, a first mounting position and a second mounting position, the supporting frame is located on one side of the extrusion structure, the lifting driver and the guide structure are fixedly mounted on the supporting frame, and a sliding part is arranged on the guide structure; one end of the connecting assembly is fixedly connected with the lifting driver, and the other end is fixedly connected with the sliding part; one end of the driving arm is connected with the connecting assembly, and the other end of the driving arm is detachably connected with the first mounting position or the second mounting position. According to the pressing and fixing mechanism for sewing the flexible freight bag, the processing of the flexible freight bag is not influenced, and the processing is more convenient; and meanwhile, the downward pressing of the flexible freight bag and the sewing action on the workbench cannot interfere with each other, so that the pressing and sewing actions of the flexible freight bag can be smoothly carried out.

The invention provides a bag opening sewing process of a full-automatic laser bag opening machine, and belongs to the technical field of textile processing. The problems that an existing material folding mechanism is arranged on a feeding mechanism and synchronously moves along with a cloth supporting plate, the moving speed of the feeding mechanism is limited, and consequently the overall processing efficiency of cloth is very low are solved; and the board feeding mechanism is additionally provided with a great number of parts, so that the production and manufacturing cost and the installation procedures of the equipment are increased. The material folding device is fixedly installed below the workbench, the motor is adopted to drive the lead screw to drive the long folding knife and the short folding knife to move horizontally and ascend and descend, the movement precision of the long folding knife and the short folding knife is higher, and material folding is more accurate; the moving speed of the feeding device is higher, and the machining and production efficiency of the equipment is higher; according to the plate feeding device, a group of Y-direction translation driving parts are omitted, so that a great number of parts are reduced, and the production and manufacturing cost and the mounting procedures of the equipment are reduced.

The application discloses cotton bag automatic sewing equipment, including: cotton cloth feeding device, including cloth placing assembly and adjusting assembly, cloth placing assembly is used for placing cotton cloth roll, adjusting assembly is arranged at the cloth outlet end of cloth placing assembly and is used for adjusting the feeding angle of cotton cloth; cotton bag feeding device, including bagging device and pushing assembly, the pushing assembly is used for pushing the cotton bag to move in the bagging device; cloth arranging device, including traction assembly and cloth arranging assembly, the traction assembly is used for wrapping the cotton cloth on the bagging device from above, the cloth arranging assembly is used for combing the cotton cloth passing through the traction assembly according to the preset direction; sewing device, including first sewing assembly and second sewing assembly, the first sewing assembly and the second sewing assembly are both arranged at the discharge end of the bagging device and are respectively used for vertical and horizontal sewing of the cotton cloth; cutting device is used for moving cutting of the cotton bag after sewing is completed. The application replaces manual operation with automatic equipment to complete sewing action, shortens sewing time and can continuously work.

The bottom sewing device for woven bag production comprises a machine frame, a sewing machine is installed on the left side of the top face of the machine frame, and a conveying belt is installed on the right side of the top face of the machine frame. The device has the beneficial effects that the supporting frame, the gear motor, the screw, the threaded sleeve, the movable shell, the buffer block, the pressing plate and the pressing wheel are arranged, the gear motor is started to drive the screw at the output end of the gear motor to rotate, the threaded sleeve is promoted to drive the movable shell to synchronously translate in the stage of moving along the surface of the screw, and the distance between the pressing plate detachably installed below the movable shell and a sewing machine head is adjustable; on the basis, the pressing plate matched with the size of the woven bag is close to the movable shell, so that a convex block of the pressing plate extends into a notch in the bottom of the buffer block, and the woven bag can be conveniently and quickly pressed by rotating plum blossom knobs in threaded connection with the left side and the right side of the pressing plate; the plum blossom knob extends into the notch to be inserted into the groove in the side face of the protruding block, and the effect that the pressing plate is convenient to disassemble and replace is achieved.

The invention provides an automatic sewing device for an annular cloth bag, which is a special automatic sewing mechanism for precise sewing of the cloth bag and comprises a power mechanism, a servo lifting platform, a clamp and a sewing mechanism. After the mechanism is assembled, the second pneumatic claw grabs the needle thread on the needle thread plate, the second transverse moving module and the second transverse moving module move cooperatively to drive the needle thread to penetrate through the middle of the clamp together with the cloth bag, the first pneumatic claw takes out the needle thread from the other side through the first transverse moving module and the first transverse moving module, and the servo rotary table drives the cloth bag to rotate by 60 degrees. The first transverse moving module, the first horizontal moving module, the second transverse moving module and the second horizontal moving module cooperatively move to enable the second pneumatic claw to grab the silk thread on the first pneumatic claw back to the threading position, the operation is repeated, a circle of sewing is completed at the positions of the six clamps of the cloth bag, threading operation is repeated three times at the last sewing position, silk thread tensioning is completed, and the sewing process is completed. After tensioning, the second pneumatic claw clamps the wire and moves to the position right in front of the wire cutting air cylinder along with the second transverse moving module, the wire cutting air cylinder stretches out, and wire cutting is completed through heating of the resistance wire. According to the cloth bag sewing machine, the huge difficulty brought to production line personnel due to limitation of the material and the structure of a cloth bag is solved, full-automatic and unmanned cloth bag sewing is realized, the product performance and the quality consistency are favorably improved, and the cloth bag sewing stability requirement is ensured.

The invention relates to the technical field of fabric processing, and discloses a canvas bag processing technology which comprises the following steps: 1, folding one side edge of a canvas fabric twice to form a bag opening edge so as to obtain a first fabric; step 2, based on the first fabric, sewing a plurality of groups of handle belts which are distributed at equal intervals at the pocket opening edge, after the handle belts are bent, attaching the two ends of the handle belts to the pocket opening edge, and synchronously sewing and fixing the pocket opening edge and the ends of the handle belts to obtain a second fabric; 3, based on the second fabric, the fabric is cut in the radial direction of the canvas fabric at equal intervals, the cut fabric comprises two handle belts, and third fabric is obtained. The canvas bag production process is combined with an automatic production line, operation can be performed completely in an automatic mode, manual adjustment during canvas bag processing is not needed, automatic production can be completely achieved through the processing process, the automation level is improved, the personnel cost is reduced, and the production efficiency is improved.

The invention discloses a clamping and fixing mechanism of an overlocking machine, which comprises a sliding rail erected on a machine table, a mounting base plate is arranged on the sliding rail in a sliding manner, a left clamping arm and a right clamping arm are arranged on the mounting base plate, a first longitudinal sliding rail and a first telescopic cylinder are arranged on the mounting base plate between the left clamping arm and the right clamping arm, and a second longitudinal sliding rail and a second telescopic cylinder are arranged on the mounting base plate between the left clamping arm and the right clamping arm. A positioning pressing plate is installed at the lower end of a sliding block of the first longitudinal sliding rail. After the pillow is fixed left and right through the left clamping arm and the right clamping arm, the positioning pressing plate is controlled by the first telescopic cylinder to press the side edge, to be sealed, of the pillow, the pillow is prevented from loosening, and meanwhile the side edge, to be sealed, of the pillow is in a flat state; in addition, a laser calibration device located above the auxiliary clamping mechanism is arranged on the rear side of the sliding rail. A laser guide line emitted by the laser calibration device is projected on the workbench below, so that an employee can be guided to find an accurate pillow fixing position, the requirement on the operation proficiency of the employee is reduced, and the accuracy and efficiency of subsequent sealing and binding-off can be improved.

The invention relates to the technical field of textile manufacturing, and discloses a wear-resistant canvas bag manufacturing method and equipment thereof.The wear-resistant canvas bag manufacturing method comprises the following steps that S1, wear-resistant cloth is cut, specifically, the wear-resistant cloth is cut into the needed size; s2, gold stamping of the wear-resistant cloth, wherein gold stamping is conducted on the surface of the cloth, and needed pictures are printed on the cloth; s3, sewing and forming, wherein the wear-resistant cloth is made into a canvas bag style through manual and mechanical assistance; the handle and the canvas bag are preliminarily sewn in a manual or mechanical auxiliary mode, images on the canvas bag can be displayed more vividly and clearly through gold stamping, surface treatment and forming of the canvas bag can be achieved through gold stamping, hydraulic extrusion and other technologies, the whole canvas bag can be more attractive and durable, and the service life of the canvas bag is prolonged. And due to the characteristics of automation and mechanization of the equipment, the dependence on manpower can be reduced, the labor cost is reduced, and the production efficiency and the stability are improved.

The utility model relates to the technical field of cloth bag processing equipment, and discloses double-station bag edge sealing equipment which is characterized in that a plurality of groups of pressing displacement mechanisms are arranged above an operation platform, and the pressing displacement mechanisms do Y-axis movement above the operation platform through a second Y-axis driving group; the pressing displacement mechanism comprises a pressing plate capable of ascending, descending and rotating, the pressing plate and the end face of the operation platform are horizontally arranged, and the pressing plate conducts X-axis movement above the operation platform through a driving piece. The pressing displacement mechanism can press the fabric to move to the sewing position of the multi-needle machine for edge sealing treatment. Through the arrangement of the double-station multi-needle machine, the two sets of pressing displacement mechanisms are used for pressing a cloth bag to move to a sewing position for edge sealing treatment, the cloth bag edge sealing production efficiency can be effectively improved, a set of marking machine is additionally arranged, the cloth bag marking function is achieved through the pressing displacement mechanisms, and the cloth bag edge sealing machine is simple in structure, high in automation degree and high in production efficiency.

The invention relates to the technical field of airbag production equipment, and discloses an automatic airbag sewing device for a safety system, which comprises an operation table, a fixing plate is fixedly connected to the upper surface of the operation table, a sewing assembly is arranged on the upper surface of the fixing plate, and a positioning plate is slidably connected to the upper surface of the fixing plate; a pressing assembly is arranged on the upper surface of the positioning plate, cleaning assemblies are arranged on the two sides of the positioning plate, and a wrinkle removing assembly is arranged on the upper surface of the fixing plate. The sewing assembly comprises a mechanical arm and a sewing device, the bottom of the mechanical arm is fixedly connected to the interior of the fixing plate, and the side wall of the sewing device is arranged on the side wall of the mechanical arm. Impurities and wrinkles are eliminated through an integrated pretreatment structure, cloth stability is guaranteed through accurate positioning, flexible driving is achieved to adapt to a complex sewing path, real-time material collection is achieved to keep neat, sewing quality and efficiency are improved, labor and maintenance cost is reduced, and the large-scale production requirement is met.

The utility model discloses an adjustable jute bag production sewing machine which comprises a sewing table and a jute bag sewing edge adjusting mechanism. An electric sewing head is arranged on the upper side of the sewing table, a groove is formed in the left side of the sewing table, an extension plate is slidably connected into the groove, and through grooves are formed in the front end and the rear end of the upper side of the sewing table; the jute bag sewing edge adjusting mechanism is arranged between the through groove and the sewing table, and the jute bag sewing edge adjusting mechanism and the electric sewing head are installed in a matched mode; the adjustable jute bag production sewing machine further comprises a single chip microcomputer, the single chip microcomputer is arranged outside the sewing table, the input end of the single chip microcomputer is electrically connected with an external power source, the adjustable jute bag production sewing machine can adjust the area of the sewing platform according to the size of a jute bag, and the jute bag can be conveniently sewn and placed; meanwhile, the device can automatically conduct sewing conveying and sewing deviation correction on the jute bag through the power element and the detection element, use is convenient, and the labor intensity of workers is effectively relieved.

The utility model discloses a sand filling pipe bag for hydraulic slurry making in-situ pressure filling. The sand filling pipe bag comprises a bag body, a plurality of grouting cuffs and a plurality of drainage cuffs, wherein the grouting cuffs and the drainage cuffs are arranged on the bag body; a cavity is formed in the bag body and filled with hydraulic reclamation mortar. Each grouting sleeve opening is connected with a grouting pipe, and each drainage sleeve opening is connected with a drainage pipeline. The filling mortar is injected into the sand filling pipe bag in a hydraulic reclamation mode, the concentration of the filling mortar does not need to be controlled through a mechanical device in the process, the filling mortar is directly injected into the sand filling pipe bag, redundant water in the filling mortar is extracted through the air pump externally connected with the drainage channel, and the sand filling efficiency of the sand filling pipe bag can be improved in the process; and meanwhile, the pressure in the sand bag is controlled by the sucking pump, so that the sand filling pipe bag is prevented from being broken due to overhigh pressure.

A fabric bulk bag and a method for constructing the same, the bag including a continuous sidewall, a top portion, and a bottom, all defining a bulk storage space therein; the bottom further comprising eight sides which define an octagonal shape having an enlarged footprint so that the bag wall is sewn to the bottom in less time than a round shaped bag, yet when filled stands more upright with less tendency to lean than the current square shaped bags thereby providing a safer more dependable stacking bulk bag. In the method of producing the fabric bulk bag, the bag is constructed in less time than the prior art round bottom bags, uses less wall fabric than prior art square bottomed bags and when constructed and filled, supports itself more stable on a floor or pallet because it provides substantially more base for the product to rest on. In other embodiments, the bag would be multi-sided with greater than four sides.