A dobby shedding device suitable for a multi-shed loom

Abstract

This utility model relates to the field of loom technology, specifically to a shedding device for a multi-shuttle loom suitable for multi-shed looms. It includes a top frame with two fixed support plates on its inner sides, and rotating rods rotatably connected to both sides between the two support plates. A servo motor is bolted to one side of one of the support plates. One end of one of the rotating rods is connected to the output shaft of the servo motor, and pulleys are sleeved on one end of each rotating rod. The two pulleys are connected by a belt winding around them. A connecting plate is fixedly connected to the bottom of the belt, and a gas collection hood is fixedly connected to the bottom of the connecting plate. By adding a top frame to the top of the multi-shed loom body and integrating a movable cleaning mechanism, the problem of difficult maintenance and untimely cleaning caused by the compact structure and lack of self-cleaning function in existing multi-shed loom shedding devices is effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of loom technology, and in particular to a shedding device for multi-shed looms suitable for multi-shed looms. Background Technology

[0002] The shedding device on multi-shed looms plays a crucial role in modern high-speed weaving. As a key component in the formation of multi-layered fabrics, its structural design and operational stability have a decisive impact on the overall weft insertion efficiency, fabric quality, and production continuity of the loom. The shedding device on a multi-shed loom is a core component used to control the heald frames to move up and down according to a set pattern, thereby forming different shed shapes. Especially in multi-shed looms, it is necessary to achieve the simultaneous or alternating opening of multiple independent sheds to meet the complex weaving requirements of introducing multiple weft yarns (such as five or more) at once. With the continuous growth of market demand for industrial textiles, high-performance composite materials, and functional multi-layered fabrics, higher requirements are placed on the synchronous control capability, motion accuracy, and equipment reliability of multi-shed looms.

[0003] Utility model patent CN201598380U discloses a multi-arm shedding device suitable for multi-shed looms, including a first heald arm, a second heald arm, a third heald arm, a first lever, a second lever, a first sliding wheel, a second pulley, a third pulley, a first lifting rope, a second lifting rope, a third lifting rope, and a heald frame return spring, all arranged side-by-side on the frame. One end of the first lifting rope is fixed to the first heald arm, passes through the third pulley, and connects to the center of the first sliding wheel. The second lifting rope connects the second and third heald arms and is guided by the second pulley. The third lifting rope connects the second lever to the upper edge of the warp heald frame, and the lower edge of the warp heald frame is returned to its original position via the heald frame return spring. While this device achieves highly efficient weaving of five layers of fabric with five weft insertions in a single operation, significantly improving production efficiency, it still has many shortcomings in practical applications.

[0004] Specifically, existing shedding devices for multi-shull looms face significant challenges during long-term continuous operation, including inconvenient operation, difficult maintenance, and untimely cleaning. Existing technologies generate a buildup of fly shavings, dust, and oil mixtures during the use of multi-shull loom shedding equipment. Traditional structures lack effective protection and cleaning channels, making it impossible to perform timely and effective cleaning and lubrication of critical transmission points. Therefore, to address these shortcomings, we urgently need an innovative shedding device suitable for multi-shull looms to solve these problems. Utility Model Content

[0005] The purpose of this utility model is to provide a shedding device for multi-shuttle looms, which solves the problem that when using shedding equipment for multi-shuttle looms, a mixture of fly shavings, dust and oil will accumulate. The traditional structure lacks effective protection and cleaning channels, which makes it impossible to clean and lubricate key transmission points in a timely and effective manner.

[0006] To achieve the above objectives, this utility model provides a multi-bow loom opening device suitable for multi-shuttle looms, including a multi-bow loom body, and a top frame fixedly connected to the top of the multi-bow loom body, with a collection box fixedly connected to one side of the top frame.

[0007] The inner sides of the top frame are fixedly connected to the bearing plates, and the two bearing plates are rotatably connected to the two sides of each bearing plate. One side of one of the two bearing plates is fixedly connected to a servo motor by bolts. One end of one of the two rotating rods is connected to the output shaft of the servo motor. A pulley is sleeved on one end of each rotating rod, and the two pulleys are connected by a belt. A connecting plate is fixedly connected to the bottom of the belt, and a gas collection hood is fixedly connected to the bottom of the connecting plate. Cleaning plates are fixedly connected to both sides of the gas collection hood. A fan is fixedly connected to the top of the top frame by bolts. The inlet of the fan is connected to one side of the collection box, and one side of the collection box is connected to the top of the gas collection hood.

[0008] The outer side of the collection box is connected to a door via a hinge, and the inner side of the collection box is fixedly connected to a filter plate.

[0009] The top two sides of the gas collection hood are fixedly connected to sliders, and the two sliders are slidably connected to the two support plates through sliding grooves.

[0010] Each of the two sliders has a side plate fixedly connected to its top, and a wheel is fixedly connected to one side of each side plate. One side of each wheel is in contact with one side of each of the two support plates.

[0011] One end of each of the two rotating rods is rotatably connected to one of the two bearing plates via a rotating shaft, and the other end of each of the two rotating rods passes through the other bearing plate via a bearing sleeve.

[0012] The top side of the gas collection hood is connected to a flexible hose, and one end of the hose is connected to one side of the collection box.

[0013] This utility model discloses a shedding device for multi-shuttle looms. By adding a top frame and integrating a movable cleaning mechanism to the top of the multi-shuttle loom body, it effectively solves the problems of difficult maintenance and untimely cleaning caused by the compact structure and lack of self-cleaning function of existing multi-shuttle loom shedding devices. The top frame not only provides a mounting base for the cleaning components but also plays a certain role in dust prevention and isolation. The bearing plate is fixed inside the top frame to support the installation of the rotating rod and ensure its rotational stability. The two rotating rods form a synchronous transmission structure through pulleys and belts, enabling the connecting plate to move smoothly in the horizontal direction and avoiding uneven loading or jamming caused by unilateral drive. The servo motor, as the power source, has forward and reverse control capabilities, allowing the belt to drive the connecting plate to achieve reciprocating motion, thereby expanding the cleaning range and ensuring that the air collection hood and cleaning plate can cover the key transmission areas of the multi-shuttle loom body, such as the heald arm connection point, pulley block, and rope guide part, effectively removing accumulated fiber fly and dust and preventing them from entering. The moving parts cause wear or obstruction. The cleaning plate enhances the physical cleaning ability. Combined with the negative pressure suction generated by the fan, it forms a combined sweeping and suction cleaning mode, which significantly improves cleaning efficiency and thoroughness. The air collection hood is located below the connecting plate and is connected to the fan through the collection box, so that dust is sucked in as soon as it is disturbed, avoiding secondary pollution. The collection box is detachably installed on one side of the top frame for easy regular cleaning and replacement. The entire cleaning process does not require disassembly of the equipment, which greatly reduces downtime and manual intervention, lowers maintenance costs, and improves the continuity and reliability of equipment operation. It is especially suitable for high-density, long-term multi-shed weaving environments, effectively alleviating problems such as poor transmission, asynchronous movement, and poor heald frame reset caused by the accumulation of pollutants. This ensures the stability of fabric forming quality and extends the service life of key components such as lifting ropes, pulleys, and levers. Overall, it improves the working performance of the multi-bow machine sheathing device and adapts to the operation and maintenance needs of modern intelligent textile workshops. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0015] Figure 1 This is a schematic diagram of the main structure of an embodiment of this utility model.

[0016] Figure 2 This is a side view structural diagram of an embodiment of the present utility model.

[0017] Figure 3 This is a schematic diagram of the top frame structure from below, according to an embodiment of the present invention.

[0018] Figure 4 This is a top view of an embodiment of the present invention.

[0019] Figure 5 This is a schematic diagram of the support plate and its structure according to an embodiment of the present utility model.

[0020] Figure 6 This is a schematic diagram of the cleaning plate structure according to an embodiment of the present utility model.

[0021] 1. Multi-arm machine body; 2. Top frame; 3. Filter plate; 4. Support plate; 5. Connecting plate; 6. Gas collection hood; 7. Cleaning plate; 8. Fan; 9. Collection box; 10. Side plate; 11. Wheel body; 12. Door body; 13. Hose; 14. Slider; 15. Slide rail; 16. Rotating rod; 17. Servo motor; 18. Belt; 19. Pulley. Detailed Implementation

[0022] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0023] Please see Figure 1-6 A multi-bow loom shedding device suitable for multi-shuttle looms includes a multi-bow loom body 1, a top frame 2 fixedly connected to the top of the multi-bow loom body 1, a collection box 9 fixedly connected to one side of the top frame 2; a bearing plate 4 fixedly connected to both sides of the inner side of the top frame 2, and a rotating rod 16 rotatably connected to both sides between the two bearing plates 4; a servo motor 17 fixedly connected to one side of one of the two bearing plates 4 by bolts; one end of one of the two rotating rods 16 is connected to the output shaft of the servo motor 17 for transmission; a pulley 19 is sleeved on one end of each of the two rotating rods 16; the two pulleys 19 are connected by a belt 18; a connecting plate 5 is fixedly connected to one side of the bottom of the belt 18; a gas collecting hood 6 is fixedly connected to the bottom of the connecting plate 5; cleaning plates 7 are fixedly connected to both sides of the gas collecting hood 6; a fan 8 is fixedly connected to one side of the top of the top frame 2 by bolts; the inlet of the fan 8 is connected to one side of the collection box 9; and one side of the collection box 9 is connected to the top of the gas collecting hood 6.

[0024] When using a multi-hollow loom shedding device suitable for multi-shed looms for textile operations, the multi-hollow loom body 1 normally drives and controls the heald frames to achieve orderly opening and closing of multiple sheds, completing the weft insertion process of complex fabrics. After the equipment has been running continuously for a period of time, fly shavings, fiber debris, and environmental dust easily accumulate in the transmission area and around the processing surface. To avoid pollutants affecting the accuracy of subsequent actions and the life of the equipment, a cleaning procedure needs to be initiated. At this time, the operator starts the servo motor 17 through the control system. The output shaft of the servo motor 17 rotates and drives the rotating rod 16 directly connected to it to rotate. The pulley 19 at the end of the rotating rod 16 rotates accordingly, and through the transmission action of the belt 18, it drives the pulley 19 on the other side to rotate synchronously, thereby realizing the cyclic movement of the belt 18 between the two pulleys 19. Since the bottom of the belt 18 is fixedly connected to the connecting plate 5, the connecting plate 5 moves horizontally. Since the servo motor 17 has forward and reverse rotation functions, its output shaft can be controlled to alternate forward and reverse rotation. The rotation and reversal cause the belt 18 to drive the connecting plate 5 to reciprocate linearly inside the top frame 2; the air collection hood 6, which is fixedly connected to the lower end of the connecting plate 5, moves synchronously to cover the working area above the multi-arm machine body 1. At the same time, the cleaning plates 7 set on both sides of the air collection hood 6 physically scrape the top and surrounding structural surfaces of the multi-arm machine body 1 during the movement, disturbing and raising the attached fly shavings and dust; at the same time, the fan 8 is started synchronously. The fan 8 is connected to one side of the collection box 9 through the pipe to form a negative pressure airflow. This negative pressure is transmitted to the inside of the air collection hood 6 through the connection channel between the other side of the collection box 9 and the top of the air collection hood 6, so that the raised dust and debris are quickly sucked into the air collection hood 6 and transported to the collection box 9 for centralized storage through the pipe; the entire cleaning process can be completed without stopping the machine or with a short stop. After the cleaning is completed, the servo motor 17 and the fan 8 are turned off, and the equipment returns to the normal weaving state, thus ensuring the continuous and stable operation of the multi-arm machine body 1 in a clean environment.

[0025] Furthermore, a door 12 is hinged to the outer side of the collection box 9, and a filter plate 3 is fixedly connected to the inner side of the collection box 9. After the equipment completes multiple cleaning operations, the dust and debris accumulated inside the collection box 9 can be easily cleaned by opening the door 12 without disassembling the collection box 9 as a whole. Operators can directly remove the filter plate 3 for cleaning or replacement. The filter plate 3 can effectively intercept larger particles of flying dust and impurities, preventing them from entering the fan 8 with the airflow and causing blockage or damage. This improves the convenience of equipment maintenance, extends the service life of the fan 8, and ensures the continuous and stable operation of the negative pressure dust collection system.

[0026] Furthermore, sliders 14 are fixedly connected to both sides of the top of the dust collection hood 6, and the two sliders 14 are slidably connected to the two support plates 4 through the sliding grooves 15 respectively. During the reciprocating movement of the dust collection hood 6 in the horizontal direction driven by the connecting plate 5, the sliders 14 slide synchronously in the sliding grooves 15. This structure provides guidance and support for the movement of the dust collection hood 6, effectively limiting its swaying or deviation during the movement, improving the stability and positioning accuracy of the movement process, and preventing the dust suction port from deviating from the target area due to vibration. This ensures that the dust collection hood 6 is always in the best dust suction position, improving the efficiency and reliability of dust collection.

[0027] Furthermore, side plates 10 are fixedly connected to the top of both sliders 14, and wheels 11 are fixedly connected to one side of each side plate 10. One side of each wheel 11 is in contact with one side of each of the two support plates 4. When the gas collection hood 6 moves with the connecting plate 5, the wheels 11 roll along the side of the support plate 4, reducing the sliding friction resistance between the slider 14 and the slide groove 15, making the entire moving mechanism run more smoothly, reducing the load on the servo motor 17, and reducing mechanical wear. At the same time, the contact between the wheels 11 and the side of the support plate 4 also plays an auxiliary limiting role, preventing the slider 14 from derailing or jamming during long-term use, further enhancing the stability and durability of the cleaning component movement.

[0028] Furthermore, one end of each of the two rotating rods 16 is rotatably connected to one of the two bearing plates 4 via a rotating shaft, and the other end of each of the two rotating rods 16 passes through the other bearing plate 4 via a bearing sleeve. This achieves stable support for the rotating rods 16 at both ends, improving their coaxiality and rigidity during rotation, avoiding flexural deformation or vibration caused by the cantilever structure, ensuring smooth and unbiased transmission between the pulley 19 and the belt 18, and effectively preventing the belt 18 from jumping, slipping, or deviating during high-speed reciprocating operation. This ensures the uniform and precise movement of the connecting plate 5 and the air collection hood 6, improving the reliability and service life of the overall transmission system.

[0029] Furthermore, a flexible hose 13 is connected to the top side of the air collection hood 6, and one end of the flexible hose 13 is connected to one side of the collection box 9. As the air collection hood 6 moves back and forth with the connecting plate 5, the flexible hose 13 adapts to the positional changes during the movement, always keeping the air passage between the air collection hood 6 and the collection box 9 unobstructed. This avoids the connection breakage or sealing failure caused by the rigid pipe's restricted movement. At the same time, the bending adaptability of the flexible hose 13 also reduces interference with the movement path, allowing the cleaning components to move freely within a large range without affecting the vacuuming function, ensuring that the negative pressure vacuuming system continues to work effectively throughout the entire cleaning process.

[0030] In summary:

[0031] The multi-arm loom body 1 initially operates normally, performing periodic heald lifting and return actions on the heald frames to achieve orderly opening and closing of multiple sheds, meeting the weaving requirements of simultaneous weft insertion of multiple wefts. After the equipment has been running continuously for a period of time, fly shavings, fiber debris, and dust easily accumulate on its top and transmission areas. To prevent contaminants from affecting the accuracy of the operation and the lifespan of the equipment, the operator initiates a cleaning program through the control system. At this time, the servo motor 17 is powered on and its output shaft drives a rotating rod 16 directly connected to it to rotate. The pulley 19 at the end of the rotating rod 16 rotates accordingly, and through the meshing action of the belt 18, it drives the pulley 19 at the other end to rotate synchronously, thereby driving the belt 18 to circulate between the two rotating rods 16. Since the bottom of the belt 18 is fixedly connected to the connecting plate 5, the connecting plate 5 moves back and forth horizontally with the belt 18. This reciprocating motion is achieved by the forward and reverse rotation control of the servo motor 17. The air collection hood 6, which is fixedly connected to the lower end of the connecting plate 5, moves synchronously, covering the key area above the multi-arm loom body 1. At the same time, the cleaning plates 7 set on both sides of the air collection hood 6 move. During the process, the top structure of the multi-arm machine body 1 is physically scraped to disturb and raise the attached dust and debris. At the same time, the fan 8 is started, and its inlet end is connected to one side of the collection box 9 through a pipe to form a negative pressure airflow. This negative pressure is transmitted to the inside of the air collection hood 6 through the hose 13, so that the raised pollutants are quickly sucked into the air collection hood 6 and transported to the collection box 9 through the hose 13. During the movement, the sliders 14 on both sides of the top of the air collection hood 6 slide along the grooves 15 on the support plate 4 to achieve guidance and support, ensuring smooth movement without deviation. Meanwhile, the side plate 10 at the top of the slider 14 drives the wheel 11 to roll along the side of the bearing plate 4, reducing frictional resistance and improving smooth operation. After pollutants enter the collection box 9, they are first filtered by the filter plate 3 fixed on the inner side. Large particles of impurities are trapped, and clean air is discharged by the fan 8. After cleaning is completed, the servo motor 17 and the fan 8 are turned off, and the equipment returns to the weaving state. When there is a lot of dust in the collection box 9, the door 12 can be opened through the hinge to remove the filter plate 3 for cleaning or replacement. After maintenance, it can be reinstalled and used again.The top frame 2, fixedly connected to the top of the multi-arm machine body 1, provides the installation foundation and structural support for the entire cleaning system. The collection box 9 connected to one side of the top frame 2 is used to centrally store dust and debris collected during the cleaning process, preventing secondary pollution. The door 12, connected to the outside of the collection box 9 via hinges, facilitates opening and maintenance, allowing dust removal without disassembling the entire structure, significantly improving maintenance convenience. The filter plate 3 fixed inside the collection box 9 effectively intercepts large particles of impurities, preventing them from entering the fan 8 and causing blockage or impeller damage, extending the service life of the fan 8 and ensuring the stability of the dust collection system. The two support plates 4 on the inner side of the top frame 2 provide support for the rotating rod 16. The installation platform provides two rotating rods 16, one end of which is rotatably connected to a bearing plate 4 via a rotating shaft, and the other end of which passes through another bearing plate 4 via a bearing sleeve, achieving end-to-end support. This improves the rotational rigidity and coaxiality of the rotating rods 16, avoiding vibration or deflection caused by the cantilever structure and ensuring smooth and reliable transmission. The servo motor 17 is fixed to the bearing plate 4 with bolts for easy disassembly and maintenance. Its output shaft drives the rotating rods 16 to rotate, cooperating with the pulleys 19 and belts 18 at both ends to achieve synchronous transmission, giving the connecting plate 5 a stable horizontal driving force. The connecting plate 5, fixed to the bottom of the belt 18, converts the transmission motion into linear reciprocating motion, driving the air collection hood 6. The cleaning area is covered; the cleaning plates 7 on both sides of the air collection hood 6 scrape the surface of the multi-arm machine body 1 during movement, enhancing the cleaning effect; the fan 8 is fixed to the top of the top frame 2 by bolts, and its inlet is connected to the collection box 9 to form a stable negative pressure, ensuring dust collection efficiency; the slider 14 on the top of the air collection hood 6 cooperates with the slide groove 15 on the support plate 4 to provide precise guidance for the movement of the air collection hood 6, preventing shaking or deviation, and ensuring that the suction port is always aligned with the contaminated area; the side plate 10 on the top of the slider 14 is connected to the wheel 11, and the wheel 11 rolls against the side of the support plate 4, significantly reducing sliding friction resistance, making the servo motor 17 less loaded and running more smoothly. It serves as an auxiliary limiter to prevent derailment; the flexible hose 13 connects the air collection hood 6 and the collection box 9, and its flexibility adapts to the reciprocating motion of the air collection hood 6, avoiding the rigid pipe from breaking or leaking due to restricted movement, ensuring that the air path is unobstructed throughout. The entire system achieves a highly efficient self-cleaning function that combines sweeping and suction, effectively solving the problems of transmission jamming, inaccurate action, and difficult maintenance caused by the lack of timely cleaning methods in the existing multi-shuttle weaving device. It greatly reduces downtime, improves the continuity, stability and intelligence level of equipment operation, and is particularly suitable for high-density, long-term multi-shuttle weaving environments, with good practical value and promotion prospects.

[0032] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A shedding device for a multi-shuttle loom suitable for multi-shed looms, comprising a multi-shed loom body, characterized in that, It also includes a top frame fixedly connected to the top of the multi-arm machine body, and a collection box fixedly connected to one side of the top frame; The top frame has two inner sides fixedly connected to bearing plates, and two rotating rods are rotatably connected between the two bearing plates. One side of one of the two bearing plates is fixedly connected to a servo motor by bolts. One end of one of the two rotating rods is connected to the output shaft of the servo motor. A pulley is sleeved on one end of each rotating rod, and the two pulleys are connected by a belt. A connecting plate is fixedly connected to the bottom side of the belt, and a gas collection hood is fixedly connected to the bottom of the connecting plate. Cleaning plates are fixedly connected to both sides of the gas collection hood. A fan is fixedly connected to the top side of the top frame by bolts. The inlet of the fan is connected to one side of the collection box, and one side of the collection box is connected to the top of the gas collection hood.

2. The shedding device for a multi-shuttle loom suitable for multi-shuttle looms as described in claim 1, characterized in that, The outer side of the collection box is connected to a door via a hinge, and the inner side of the collection box is fixedly connected to a filter plate.

3. The shedding device for a multi-shuttle loom suitable for multi-shuttle looms as described in claim 1, characterized in that, Both sides of the top of the gas collection hood are fixedly connected to sliders, and the two sliders are slidably connected to the two support plates through sliding grooves.

4. The shedding device for a multi-shuttle loom suitable for multi-shuttle looms as described in claim 3, characterized in that, Both sliders are fixedly connected to the top of a side plate, and a wheel is fixedly connected to one side of each side plate. One side of each wheel is respectively attached to one side of each of the two bearing plates.

5. The shedding device for a multi-shuttle loom suitable for multi-shuttle looms as described in claim 1, characterized in that, One end of each of the two rotating rods is rotatably connected to one of the two bearing plates via a rotating shaft, and the other end of each of the two rotating rods passes through the other bearing plate via a bearing sleeve.

6. The shedding device for a multi-shuttle loom suitable for multi-shuttle looms as described in claim 1, characterized in that, The top side of the gas collection hood is connected to a flexible hose, and one end of the hose is connected to one side of the collection box.

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