Cloth collecting mechanism of flexible freight bag and square cloth cutting machine

Abstract

The utility model provides a flexible freight bag cloth collecting mechanism and a square cloth cutting machine, the flexible freight bag cloth collecting mechanism further comprises a cloth folding and conveying mechanism and a cloth pressing mechanism, the cloth folding and conveying mechanism and the cloth pressing mechanism are both arranged on a supporting frame, and the cloth pressing mechanism is used for pressing one end, close to a cutting knife, of fixed-length cloth. The cloth folding and conveying mechanism is used for folding, clamping and conveying the fixed-length cloth pressed by the cloth pressing mechanism; the square cloth cutting machine for the flexible freight bags comprises the cloth collecting mechanism for the flexible freight bags, a cloth conveying mechanism and a cloth cutting mechanism, and the cloth conveying mechanism, the cloth cutting mechanism and the cloth collecting mechanism are sequentially arranged on the supporting frame from back to front. The flexible freight bag cloth collecting mechanism can achieve folding and collecting of long base cloth, the length of the whole cloth cutting machine is greatly shortened, and then the cloth cutting machine can be conveniently installed in a limited space. By means of accurate conveying of the cloth conveying mechanism and staggered cutting of the two semicircular cutting knives distributed in a left-right staggered mode, the utilization rate of the cylindrical cloth can be increased.

Description

Technical Field

[0001] This utility model relates to the field of container bag processing technology, specifically a container bag fabric receiving mechanism and a square fabric cutting machine. Background Technology

[0002] FIBCs (Flexible Intermediate Bulk Containers) are medium-sized bulk containers, a type of unitized containerization equipment. When used with cranes or forklifts, they enable unitized transport. They are suitable for transporting large quantities of bulk powdery or lumpy materials, featuring large volume, light weight, and ease of loading and unloading, making them a common packaging material. Their characteristics include simple structure, light weight, foldability, small empty space requirement, and low cost.

[0003] Currently, existing FIBCs (Flexible Intermediate Bulk Containers) can be categorized by shape into round and square. Square FIBCs are generally made by sewing together a base fabric. The base fabric is typically cut to the required length using a fabric cutting machine. Because some square FIBCs are relatively large, the required base fabric length is also considerable. Current fabric cutting machines generally use a moving clamping mechanism to move the movable end of the base fabric during cutting, allowing it to fall into the receiving area in an unfolded state. This unfolded fall facilitates collection of the base fabric. This method works well for shorter base fabrics, but when the base fabric is long (e.g., 2m-4.5m), and is almost fully unfolded, the required rear end of the fabric cutting machine is significantly longer, greatly increasing the overall length of the machine and making it unsuitable for installation in limited spaces. Utility Model Content

[0004] The purpose of this utility model is to provide a container bag collecting mechanism and a square fabric cutting machine. The collecting mechanism can realize the folding and collection of long base fabrics, thereby greatly shortening the overall length of the fabric cutting machine and making it easier to install the fabric cutting machine in a limited space.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a fabric receiving mechanism, including a support frame, a fabric folding and conveying mechanism, and a fabric pressing mechanism. The fabric folding and conveying mechanism and the fabric pressing mechanism are both arranged on the support frame. The fabric pressing mechanism is used to press the end of a fixed-length fabric near the cutting blade, and the fabric folding and conveying mechanism is used to fold, clamp, and convey the fixed-length fabric pressed by the fabric pressing mechanism.

[0006] Preferably, the fabric receiving mechanism further includes a fabric stacking trolley, which is used to receive fixed-length fabric conveyed by the fabric docking and conveying mechanism.

[0007] Preferably, the fabric folding and conveying mechanism includes an auxiliary fabric pushing mechanism, a fabric clamping and conveying mechanism, and a fabric limiting mechanism. The auxiliary fabric pushing mechanism includes a first moving frame, a first roller, and a return drive mechanism. The first moving frame is slidably mounted on the support frame. A first roller is provided at both the upper and lower ends of the front side of the first moving frame. The return drive mechanism is used to drive the first moving frame back to its original position. The fabric clamping and conveying mechanism includes a linear reciprocating drive mechanism, a second moving frame, and a clamping assembly. The second moving frame is slidably mounted on the support frame and is located below and behind the first moving frame. The linear reciprocating drive mechanism is used to drive the second moving frame to reciprocate. The second moving frame can drive the first moving frame to move forward synchronously. The clamping assembly is mounted on the second moving frame and is used to clamp the fabric at the fold. When the first and second moving frames move forward synchronously into position, the fabric limiting mechanism can push the fabric corresponding to the clamping space of the clamping assembly into the clamping space.

[0008] Furthermore, the clamping assembly includes an upper clamping jaw, a lower clamping jaw, and a first clamping cylinder. The upper and lower clamping jaws are arranged vertically opposite each other, and the upper clamping jaw is fixedly connected to the second movable frame. The first clamping cylinder is used to drive the lower clamping jaw to move up and down. The front of the upper and lower clamping jaws are provided with corresponding vertically and equally spaced clamping teeth. The fabric limiting mechanism includes a first adjusting frame and a limiting claw. The first adjusting frame is arranged on the support frame and can be slidably adjusted and positioned on the support frame. The limiting claw is arranged on the first adjusting frame and corresponds to the clamping space between the upper and lower clamping jaws. The rear of the limiting claw is provided with several top teeth corresponding to the gap between two adjacent clamping teeth.

[0009] Furthermore, a second roller is provided below the lower gripper.

[0010] Furthermore, the return drive mechanism includes a counterweight and a tension transmission assembly. The counterweight is disposed at the front end of the support frame, and the counterweight applies a backward tension to the first movable frame through the tension transmission assembly.

[0011] Furthermore, the tension transmission assembly includes a first sprocket, a second sprocket, and a chain. The first sprocket is fixedly mounted on the support frame and is located behind the first movable frame. The second sprocket is located at the front of the support frame. The lower end of the chain is fixedly connected to the counterweight, and the upper end of the chain is sequentially wound around the second sprocket and the first sprocket and then fixedly connected to the rear end of the first movable frame.

[0012] Furthermore, a synchronous shaft is provided between the two first sprockets that are opposite each other on the left and right. The synchronous shaft rotates synchronously with the first sprockets. Several elastic fabric rolls are provided on the synchronous shaft. The movable end of the elastic fabric roll is fixedly connected to the upper rear side of the first movable frame. A crossbar is provided on the upper part of the first movable frame. Several downward air jet nozzles are provided on the crossbar.

[0013] Furthermore, the fabric stacking trolley includes an L-shaped bracket and a mountain-shaped support plate. The L-shaped bracket is vertically mounted on the support frame and can move up and down and be positioned. The mountain-shaped support plate is mounted on the L-shaped bracket and can move left and right relative to the L-shaped bracket.

[0014] A square fabric cutting machine for container bags includes a fabric receiving mechanism, a fabric conveying mechanism, and a fabric cutting mechanism. The fabric conveying mechanism, the fabric cutting mechanism, and the fabric pressing mechanism are arranged sequentially from back to front on the upper part of the support frame. A fabric support plate is arranged at the lower part of the fabric pressing mechanism. When the first moving frame is in the initial working position, the first moving frame is located at the lower front side of the fabric support plate.

[0015] The beneficial effects of this utility model are: 1. The utility model has a simple structure and is convenient to manufacture; it has a wide processing range: the fabric cutting machine can process the top and bottom cover fabrics of square FIBCs, U-shaped fabrics of square FIBCs, small pieces of fabric of square FIBCs, and large pieces of tubular fabric of round FIBCs; the equipment occupies little space: the reciprocating motion of the fabric folding and conveying mechanism can realize the folding and collection of long base fabrics, which can greatly reduce the overall length of the fabric cutting machine, effectively reduce the space occupied by the fabric cutting machine or allow the fabric cutting machine to be installed and used in an effective space; the upper and lower clamps can press the folded part of the base fabric, so that the folded base fabric remains flat, which facilitates the stacking and storage of the folded base fabric; the fabric limiting mechanism can be adjusted according to the length of the base fabric, which facilitates the folding of base fabrics of different lengths, thereby improving the flexibility of the fabric collecting mechanism. Applications: When the first moving frame moves, the elastic fabric strip can move synchronously, thus supporting the upper part of the base fabric in the gap between the first moving frame and the fabric support plate during the movement of the first moving frame. This ensures that the base fabric is basically in a horizontal position, facilitating symmetrical folding of the base fabric. The high-pressure airflow from the jet nozzle facilitates the base fabric to slide smoothly and vertically from the front end of the fabric support plate during the fixed-length output process. The chain drives the first sprocket to rotate, which in turn drives the synchronous shaft to rotate. The rotation of the synchronous shaft enables the elastic fabric strip and the first moving frame to retract synchronously, thus ensuring the normal use of the elastic fabric strip. The fabric stacking trolley can be raised and lowered in conjunction with the material, improving the stability of material stacking and thus increasing the material stacking height. At the same time, the mountain-shaped support plate can move left and right, facilitating the transfer of materials. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some preferred embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 A schematic diagram of the fabric stacking cart;

[0019] Figure 3 A schematic diagram of the fabric clamping and conveying mechanism and the fabric limiting mechanism;

[0020] Figure 4 A schematic diagram showing the fabric clamping and conveying mechanism pushing the fabric closer to the fabric limiting mechanism;

[0021] Figure 5 A schematic diagram showing the relative distribution of the auxiliary fabric pushing mechanism and the fabric clamping and conveying mechanism;

[0022] Figure 6 for Figure 1 Enlarged view of point A in the middle;

[0023] In the diagram: 1. Support frame; 11. Fabric conveying mechanism; 12. Fabric cutting mechanism; 13. Fabric support plate; 2. Fabric folding conveying mechanism; 21. Auxiliary fabric pushing mechanism; 211. First moving frame; 2111. Crossbar; 212. First roller; 213. Counterweight; 214. First sprocket; 215. Second sprocket; 216. Chain; 217. Synchronous shaft; 218. Elastic fabric roll; 219. Air nozzle; 22. Fabric clamping and conveying mechanism; 221. Synchronous belt; 22... 2 Second moving frame, 2221 Top plate, 223 Upper gripper, 224 Lower gripper, 225 First clamping cylinder, 226 Second roller, 227 Grip teeth, 23 Fabric limiting mechanism, 231 First adjusting bracket, 2311 Positioning plate, 232 Limiting claw, 2321 Top teeth, 3 Fabric pressing mechanism, 31 Pressing rod, 32 Pressing cylinder, 4 Fabric stacking trolley, 41 L-shaped bracket, 42 Mountain-shaped bearing plate, 421 Roller, 43 Pushing cylinder. Detailed Implementation

[0024] The following will describe specific embodiments and appendices. Figure 1-6The technical solutions in the embodiments of this utility model are clearly and completely described below. Obviously, the described embodiments are only some preferred embodiments of this utility model, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0025] This utility model provides a fabric taking-up mechanism (such as...) Figure 1 As shown, the device includes a support frame 1, a fabric folding and conveying mechanism 2, and a fabric pressing mechanism 3. Both the fabric folding and conveying mechanism 2 and the fabric pressing mechanism 3 are mounted on the support frame 1. The fabric pressing mechanism 3 presses down on the end of a fixed-length fabric near the cutting blade, while the fabric folding and conveying mechanism 2 folds, clamps, and conveys the fixed-length fabric pressed down by the fabric pressing mechanism 3. The fabric folding and conveying mechanism 2 enables the folding, clamping, and conveying of fixed-length fabric. After folding, the fabric length is essentially reduced by half, significantly reducing the length space required for fabric collection. This, in turn, facilitates shortening the length of the collection mechanism. When this collection mechanism is used on an existing fabric cutting machine, it can shorten the length of the cutting machine, thereby reducing the space occupied by the cutting machine. In practical applications, when the required length of fabric is output, the fabric pressing mechanism 3 simultaneously presses the fabric near the cutting blade while it is being cut. After one end of the fabric is pressed and fixed, the fabric folding conveying mechanism 2 can fold the fabric. Once the fabric is folded, the fabric pressing mechanism 3 releases the pressure, and then the fabric folding conveying mechanism 2 clamps and conveys the fabric, further completing the stacking and collection of the fabric. In practical applications, to facilitate the release of folded fabric by the fabric folding conveying mechanism 2 at a designated position, the fabric receiving mechanism also includes a fabric stacking trolley 4. The fabric stacking trolley 4 is used to receive the fixed-length fabric conveyed by the fabric conveying mechanism 2. When the fabric stacking trolley 4 is full of fabric, it can be moved away by a forklift, facilitating the fabric stacking trolley 4 to continue receiving operations.

[0026] Based on the above embodiments, the specific implementation of the fabric folding conveying mechanism 2 is as follows: The fabric folding conveying mechanism 2 includes an auxiliary fabric pushing mechanism 21, a fabric clamping and conveying mechanism 22, and a fabric limiting mechanism 23. The auxiliary fabric pushing mechanism 21 includes a first moving frame 211, a first roller 212, and a return drive mechanism. The first moving frame 211 is slidably mounted on the support frame 1. Specifically, the first moving frame 211 is horizontally mounted on corresponding slide rails on the support frame 1. A slider that is snapped onto the slide rail is provided at the lower part of the first moving frame 211. A first roller 212 is provided at both the upper and lower ends of the front side of the first moving frame 211. The first roller 212 can rotate freely relative to the first moving frame 211. In practical applications, when the fabric is output to a fixed length and fixedly pressed, the movable end of the fabric is in a disposed position. The first roller 212 is located behind the fabric. When the first moving frame 211 moves, the first roller 212 comes into contact with the fabric. Through the rotation of the first roller 212, the first moving frame 211 can slide relative to the fabric, allowing the first moving frame 211 to smoothly push the fabric forward. The return drive mechanism The return drive mechanism is used to realize the drive return of the first moving frame 211. That is, when the first moving frame 211 moves forward and stops, the return drive mechanism can make the first moving frame 211 move backward and return to the initial working position. The fabric clamping and conveying mechanism includes a linear reciprocating drive mechanism, a second moving frame 222, and a clamping assembly. The second moving frame 222 is slidably disposed on the support frame 1. Specifically, the second moving frame 222 is horizontally disposed on the guide rails provided on the support frame 1. A slider that is snapped onto the guide rail is provided at the lower part of the second moving frame 222. The second moving frame 222 is located at the first moving frame 211. Below the rear of the moving frame 211, the linear reciprocating drive mechanism is used to drive the second moving frame 222 to reciprocate. In practical applications, the linear reciprocating drive mechanism can be a lead screw, cylinder, hydraulic cylinder or synchronous belt drive mechanism. In this specific embodiment, the linear reciprocating drive mechanism is preferably a synchronous belt drive mechanism. The two synchronous belts 221 in the synchronous belt drive mechanism are symmetrically arranged on the left and right sides of the support frame 1. The lower parts of the left and right ends of the second moving frame 222 are respectively fixedly connected to the corresponding synchronous belts 221. The movement of the synchronous belts 221 drives the second moving frame 222 to move synchronously. In practical applications, a servo motor can be used to drive the synchronous belt 221 to rotate, thereby controlling the movement stroke of the second moving frame 222, which facilitates the determination of the folding center of fabrics of different lengths; the second moving frame 222 can drive the first moving frame 211 to move forward synchronously, and the clamping component is set on the second moving frame 222. The clamping component is used to clamp the folding point of the fabric. When the first moving frame 211 and the second moving frame 222 move forward synchronously into position, the fabric limiting mechanism 23 can push the fabric corresponding to the clamping space of the clamping component into the clamping space.The synchronous movement of the first moving frame 211 and the second moving frame 222 enables the continuous forward movement of the fixed-length fabric. When the second moving frame 222 stops moving according to the set requirements, the fabric limiting mechanism 23 pushes the middle part of the fabric into the clamping component, thereby achieving the initial folding of the middle part of the fabric. After the initial folding of the fabric is completed, the clamping component moves to achieve the further folding of the fabric. After the middle part of the fabric is completely folded, the subsequent clamping and conveying of the fabric can be carried out.

[0027] Based on the above embodiments, the specific implementation of the clamping assembly is as follows: The clamping assembly includes an upper clamping jaw 223, a lower clamping jaw 224, and a first clamping cylinder 225. The upper clamping jaw 223 and the lower clamping jaw 224 are arranged vertically opposite each other, and the upper clamping jaw 223 is fixedly connected to the second movable frame 222. The first clamping cylinder 225 is used to drive the lower clamping jaw 224 to move up and down. Specifically, several first clamping cylinders 225 are inverted and arranged at equal intervals along the left and right directions of the second movable frame 222. The piston rod end of the first clamping cylinder 225 is fixedly connected to the bottom of the lower clamping jaw 224. When not performing clamping operations, the first clamping cylinder 225 is in a retracted state. When performing clamping operations, the first clamping cylinder 225 pushes the lower clamping jaw 224 upward to a certain position, thereby realizing further folding and clamping of the initially folded fabric located between the upper clamping jaw 223 and the lower clamping jaw 224. To facilitate the clamping and fixing of the fabric by the upper gripper 223 and the lower gripper 224, the front of the upper gripper 223 and the lower gripper 224 are provided with corresponding and equally spaced gripping teeth 227. The fabric limiting mechanism includes a first adjusting frame 231 and a limiting claw 232. The first adjusting frame 231 is set on the support frame 1 and can be slidably adjusted and positioned on the support frame 1. Specifically, the first adjusting frame 231 is horizontally arranged on the support frame 1. The lower left and right ends of the first adjusting frame 231 are provided with sliders that are snapped onto the corresponding guide rails on the support frame 1. To facilitate the adjustment and positioning of the first adjusting frame 231 on the support frame 1, a positioning plate 2311 is fixedly set at the lower left and right ends of the first adjusting frame 231. A top-pressing bolt is provided on the positioning plate 2311, which is used to press against the support frame 1 to achieve the positioning of the first adjusting frame 231. In practical applications, the position of the limiting claw 232 is actually the position where the fabric is folded in half from the middle. Therefore, after determining the fabric length, based on the fabric length data and the height difference between the limiting claw 232 and the fixed end of the fabric, the position required for the limiting claw 232 to achieve the folding of the fabric in half can be basically determined, thus enabling the fabric to be folded in half and centered. The limiting claw 232 is set on the first adjusting frame 231, and the clamping space between the limiting claw 232 and the upper clamping claw 223 and the lower clamping claw 224 corresponds to the clamping space between the limiting claw 232 and the lower clamping claw 224. Furthermore, a number of top teeth 2321 corresponding to the gaps between two adjacent clamping teeth 227 are provided at the rear of the limiting claw 232. In practical applications, when the limiting claw 232 is inserted into the clamping space between the upper claw 223 and the lower claw 224, from the top view, the top tooth 2321 and the clamping tooth 227 are in a staggered distribution. Therefore, when the upper claw 223 and the lower claw 224 move closer to clamp, the top tooth 2321 will not be clamped, thus successfully achieving the folding and clamping of the fabric.To facilitate folding and clamping of the fabric across its entire width, the upper gripper 223, lower gripper 224, and limiting gripper 232 are arranged horizontally across the fabric, thus covering its entire width. Furthermore, during the forward movement of the second moving frame 222, to facilitate synchronous pushing of the first moving frame 211, two top plates 2221 are provided on the second moving frame 222. The upper portion of each top plate 2221 is located directly behind the lower portion of the first moving frame 211. When the second moving frame 222 approaches the first moving frame 211, the upper portion of the top plate 2221 abuts against the first moving frame 211, and the continued forward movement of the second moving frame 222 causes the first moving frame 211 to move synchronously. In practical applications, the reason why the first moving frame 211 and the second moving frame 222 are not set as an integrated structure is that the stacking station for folded fabric can be set at the rear of the fabric cutting machine, such as below the feeding position, which can shorten the length of the fabric cutting machine. If the first moving frame 211 and the second moving frame 222 are set as an integrated structure, when the second moving frame 222 continues to move backward to clamp and convey the folded fabric, the fabric cutting mechanism behind the first moving frame 211 will hinder the backward movement of the first moving frame 211. Therefore, setting the first moving frame 211 and the second moving frame 222 as separate structures can not only achieve the coordinated forward conveying of the fabric, but also ensure that the fabric is clamped and conveyed backward, thereby shortening the length of the fabric cutting machine.

[0028] In practical applications, during the forward movement of the second moving frame 222, in order to facilitate the relative movement of the fabric 101 and the second moving frame 222, a second roller 226 is provided below the lower gripper 224. The front sides of both the first roller 212 and the second roller 226 are in contact with the fabric, thereby facilitating the sliding of the fabric 101 relative to the first moving frame 211 and the second moving frame 222. This allows the first moving frame 211 and the second moving frame 222 to smoothly push the moving end of the fabric 101, thereby facilitating a more accurate positioning of the compromise position.

[0029] Based on the above embodiments, to facilitate the smooth return of the first movable frame 211, a set of return drive mechanisms is provided at both ends of the first movable frame 211. The specific implementation of each set of return drive mechanisms is as follows: the return drive mechanism includes a counterweight 213 and a tension transmission assembly. The counterweight 213 is located at the front end of the support frame 1. The counterweight 213 applies a backward tension to the first movable frame 211 through the tension transmission assembly. When the pushing force applied by the second movable frame 222 to the first movable frame 211 is greater than the tension applied by the counterweight 213 to the first movable frame 211, the first movable frame 211 and the second movable frame 222 move forward synchronously. When the second movable frame 222 moves backward, it releases the pushing force on the first movable frame 211, thereby causing the first movable frame 211 to move backward under the action of the counterweight 213. After the first movable frame 211 moves backward to the initial position, it remains stationary. The specific implementation of the tension transmission assembly is as follows: The tension transmission assembly includes a first sprocket 214, a second sprocket 215, and a chain 216. The first sprocket 214 is fixedly mounted on the support frame 1 and is located behind the first movable frame 211. The second sprocket 215 is located at the front of the support frame 1. The lower end of the chain 216 is fixedly connected to the counterweight 213, and the upper end of the chain 216 is sequentially wound around the second sprocket 215 and the first sprocket 214. The chain 216 is then fixedly connected to the rear end of the first movable frame 211. Specifically, the lower end of the chain 216 is fixedly connected to the counterweight 213, and the upper end of the chain 216 extends backward from the upper part of the second sprocket 215 and enters the lower part of the first sprocket 214. Then, it extends forward from the rear part of the first sprocket 214 and is fixedly connected to the rear part of the first movable frame 211. The chain 216 pulls the first movable frame 211 by utilizing the pulling action of the counterweight 213. In practical applications, when the first moving frame 211 and the second moving frame 222 move forward, a space will be created between them and the fabric pressing and fixing end. The upper part of this space is the fabric. In order to prevent the fabric from sagging severely in this space, resulting in inaccurate folding of the middle of the fabric, a synchronous shaft 217 is set between the two opposite first sprockets 214. The synchronous shaft 217 rotates synchronously with the first sprockets 214. Several elastic fabric rolls 218 are set on the synchronous shaft 217. The movable end of the elastic fabric roll 218 is fixedly connected to the upper rear side of the first moving frame 211.In practical applications, when the first moving frame 211 moves forward, the chain 216 drives the synchronous shaft 217 to rotate. The rotation of the synchronous shaft 217 releases the fabric strips from the elastic fabric roll 218, thus facilitating the synchronous movement of the fabric strips and the first moving frame 211. The elastic fabric strips brought out by the movement of the first moving frame 211 then support the fabric, preventing the fabric strips behind the first moving frame 211 from sagging significantly. When the first moving frame 211 is pulled back by the counterweight 213, the synchronous shaft 217 rotates in the opposite direction, thereby shrinking the fabric strips. At the fabric outlet, to ensure the fabric remains flat, a crossbar is provided on the upper part of the first moving frame 211, and several downward-jetting nozzles 219 are provided on the crossbar. In actual operation, the high-pressure airflow from the nozzles causes the fabric to adhere to the fabric support plate.

[0030] Based on the above embodiments, the specific implementation of the fabric stacking trolley 4 is as follows: The fabric stacking trolley 4 includes an L-shaped bracket 41 and a mountain-shaped support plate 42. The L-shaped bracket 41 is vertically mounted on the support frame 1, and the L-shaped support frame 41 can move up and down and be positioned. Specifically, a guide rail slider is provided on the rear side of the vertical frame of the L-shaped bracket 41. The guide rail slider is locked onto the corresponding guide rail on the support frame 1. A lifting mechanism can be used to drive the L-shaped bracket 41 to move up and down and be positioned. The lifting mechanism can be a screw drive mechanism, a pneumatic drive mechanism, or a pneumatic drive mechanism. A cylinder drive mechanism or an electric hoist is used; the mountain-shaped support plate 42 is mounted on the L-shaped bracket 41, and the mountain-shaped support plate 42 can move left and right relative to the L-shaped bracket 41. Specifically, a guide rail slider is provided at the lower left end of the mountain-shaped support plate 42, and the guide rail slider is locked on the horizontal guide rail provided on the L-shaped bracket 41. A roller 421 is provided at the lower right end of the mountain-shaped support plate 42. A push cylinder 43 is provided at both the front and rear of the L-shaped bracket 41. The extension and retraction of the push cylinder 43 drives the mountain-shaped support plate 42 to move left and right. In practical applications, when the folded fabric conveyed by the fabric clamping and conveying mechanism 22 is stacked to a certain height on the mountain-shaped support plate 42, the push cylinder 43 pushes the mountain-shaped support plate 42 out, thereby realizing the pushout of the fabric stack. Thus, a forklift can be used to remove the fabric stack from the mountain-shaped support plate 42. After the fabric stack is removed, the mountain-shaped support plate 42 returns to its initial position to continue receiving fabric.

[0031] This utility model also provides a square fabric cutting machine for container bags, including the fabric receiving mechanism described above. The fabric cutting machine also includes a fabric conveying mechanism 11 and a fabric cutting mechanism 12. The fabric conveying mechanism 11 is used to realize the fixed-length conveying of fabric. In the prior art, the fabric can be clamped and conveyed by upper and lower clamping rollers. The linear speed of the rollers is the same as the speed of the fabric, so the length of the fabric can be calculated by using the rotation parameters of the rollers. The fabric cutting mechanism 12 is used to realize the cutting of the fabric. The fabric conveying mechanism 11, the fabric cutting mechanism 12 and the fabric pressing mechanism 3 are arranged sequentially from back to front on the upper part of the support frame 1. A fabric support plate 13 is arranged at the lower part of the fabric pressing mechanism 3. When the first moving frame 211 is in the initial working position, the first moving frame 211 is located at the lower front side of the fabric support plate 13. In practical applications, the fabric pressing mechanism 3 includes a pressing cylinder 32 and a pressing rod 31. The pressing cylinder 32 is mounted on the support frame 1, and the pressing rod 31 is fixedly mounted on the movable end of the pressing cylinder 32. The extension and retraction of the pressing cylinder 32 drives the pressing rod 31 to move up and down. When the fabric is laid flat on the fabric support plate 13, the pressing rod 31 presses down to fix the fabric on the fabric support plate 13. To facilitate the smooth collection of folded fabric by the fabric cutting machine, the fabric stacking trolley 4 is positioned below the fabric conveying mechanism 11. After the fabric clamping and conveying mechanism 22 clamps the folded fabric, it moves the folded fabric upwards onto the fabric stacking trolley. Once in position, the fabric clamping and conveying mechanism 22 stops moving. Then, the lower gripper 224 opens downwards, and the fabric separates from the lower gripper 224 and the upper gripper 223 under external force or its own weight. The separated fabric then falls directly onto the mountain-shaped support plate 42.

[0032] When using this fabric cutter to collect folded fabric, the position of the limiting claw 232 needs to be adjusted and positioned according to the length of the cut fabric, while simultaneously realizing the reciprocating stroke of the second moving frame 222. After the movable end of the fabric flows out from the fabric conveying mechanism 11, as the fabric continues to advance, it passes under the fabric cutting mechanism 12 and the fabric pressing mechanism 3 in sequence, and then moves onto the fabric support plate 13. The fabric on the support plate 13 is kept flat under the action of the air nozzle 219, ensuring it can fall smoothly from the front end of the support plate 13. During the fall, when the required length of the fabric is reached, the fabric pressing mechanism 3 activates to fix the fabric. After the fabric is fixed, the fabric... The material cutting mechanism 12 cuts the fabric. After the fabric is cut, the second moving frame 222 moves forward. When it reaches the correct position, the clamping component clamps the fabric, thus folding and clamping it. After the fabric is folded and clamped, the second moving frame 222 moves backward. At the same time, the fabric pressing mechanism 3 releases the pressure on the fabric. As the second moving frame 222 continues to move backward, the folded fabric is conveyed. When the second moving frame 222 reaches the correct position, the clamping component releases the pressure, thus completing the clamping and conveying of the fabric.

[0033] In this utility model, "front", "rear", "left", "right", "up" and "down" are all relative positions used to facilitate the description of positional relationships, and therefore cannot be understood as absolute positions as a limitation on the scope of protection.

[0034] Except for the technical features described in the specification, all other technologies are known to those skilled in the art.

[0035] The preferred embodiments and examples of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments and examples. For those skilled in the art, several improvements and modifications can be made without departing from the concept of the present invention, and these improvements and modifications should also be considered within the protection scope of the present invention.

Claims

1. A container bag collecting mechanism, comprising a support frame, characterized in that, The container bag receiving mechanism also includes a fabric folding and conveying mechanism and a fabric pressing mechanism. Both the fabric folding and conveying mechanism and the fabric pressing mechanism are mounted on the support frame. The fabric pressing mechanism is used to press down the end of a fixed-length fabric near the cutting blade, and the fabric folding and conveying mechanism is used to fold, clamp, and convey the fixed-length fabric pressed down by the fabric pressing mechanism.

2. The container bag collecting mechanism according to claim 1, characterized in that, The container bag receiving mechanism also includes a fabric stacking trolley, which is used to receive fixed-length fabric conveyed by the fabric docking and conveying mechanism.

3. The container bag collecting mechanism according to claim 2, characterized in that, The fabric folding and conveying mechanism includes an auxiliary fabric pushing mechanism, a fabric clamping and conveying mechanism, and a fabric limiting mechanism. The auxiliary fabric pushing mechanism includes a first moving frame, a first roller, and a return drive mechanism. The first moving frame is slidably mounted on the support frame. A first roller is provided at both the upper and lower ends of the front side of the first moving frame. The return drive mechanism is used to drive the first moving frame back to its original position. The fabric clamping and conveying mechanism includes a linear reciprocating drive mechanism, a second moving frame, and a clamping assembly. The second moving frame is slidably mounted on the support frame and is located below and behind the first moving frame. The linear reciprocating drive mechanism is used to drive the second moving frame to reciprocate. The second moving frame can drive the first moving frame to move forward synchronously. The clamping assembly is mounted on the second moving frame and is used to clamp the fabric at the fold. When the first and second moving frames move forward synchronously into position, the fabric limiting mechanism can push the fabric corresponding to the clamping space of the clamping assembly into the clamping space.

4. The container bag collecting mechanism according to claim 3, characterized in that, The clamping assembly includes an upper clamping jaw, a lower clamping jaw, and a first clamping cylinder. The upper and lower clamping jaws are arranged vertically opposite each other, and the upper clamping jaw is fixedly connected to a second movable frame. The first clamping cylinder is used to drive the lower clamping jaw to move up and down. The front of the upper and lower clamping jaws are provided with corresponding vertically aligned and equally spaced clamping teeth. The fabric limiting mechanism includes a first adjusting frame and a limiting claw. The first adjusting frame is arranged on the support frame and can be slidably adjusted and positioned on the support frame. The limiting claw is arranged on the first adjusting frame and corresponds to the clamping space between the upper and lower clamping jaws. The rear of the limiting claw is provided with several top teeth corresponding to the gap between two adjacent clamping teeth.

5. The container bag collecting mechanism according to claim 4, characterized in that, A second roller is provided below the lower gripper.

6. The container bag collecting mechanism according to claim 3, characterized in that, The return drive mechanism includes a counterweight and a tension transmission assembly. The counterweight is disposed at the front end of the support frame, and the counterweight applies a backward tension to the first movable frame through the tension transmission assembly.

7. The container bag collecting mechanism according to claim 6, characterized in that, The tension transmission assembly includes a first sprocket, a second sprocket, and a chain. The first sprocket is fixedly mounted on the support frame and is located behind the first movable frame. The second sprocket is located at the front of the support frame. The lower end of the chain is fixedly connected to the counterweight, and the upper end of the chain is sequentially wound around the second sprocket and the first sprocket and then fixedly connected to the rear end of the first movable frame.

8. The container bag collecting mechanism according to claim 7, characterized in that, A synchronous shaft is provided between the two first sprockets that are opposite each other on the left and right. The synchronous shaft rotates synchronously with the first sprockets. Several elastic fabric rolls are provided on the synchronous shaft. The movable end of the elastic fabric roll is fixedly connected to the upper rear side of the first movable frame. A crossbar is provided on the upper part of the first movable frame. Several downward air jet nozzles are provided on the crossbar.

9. The container bag collecting mechanism according to claim 3, characterized in that, The fabric stacking trolley includes an L-shaped bracket and a mountain-shaped support plate. The L-shaped bracket is vertically mounted on the support frame and can move up and down and be positioned. The mountain-shaped support plate is mounted on the L-shaped bracket and can move left and right relative to the L-shaped bracket.

10. A square fabric cutting machine for container bags, characterized in that, The container bag receiving mechanism according to claim 3, 4 or 9 is included. The fabric cutting machine also includes a fabric conveying mechanism and a fabric cutting mechanism. The fabric conveying mechanism, the fabric cutting mechanism and the fabric pressing mechanism are arranged sequentially from back to front on the upper part of the support frame. A fabric support plate is arranged at the lower part of the fabric pressing mechanism. When the first moving frame is in the initial working position, the first moving frame is located at the lower front side of the fabric support plate.

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