A creeling mechanism for a loom

Abstract

The utility model relates to loom equipment technical field especially relates to a loom's pay -off mechanism. The utility model discloses loom support, rotation axis and warp beam, the inside of loom support rotatory connection has rotation axis, the outside detachable connection of rotation axis has warp beam, and one side of loom support is fixed with two support rods, and one end of two support rods is fixed with a anti -drop board through bolt, and anti -drop board is rotatory connected with rotation axis, and the assembly of tensioning mechanism is equipped between loom support and rotation axis. The utility model discloses the structural design of tensioning mechanism makes the device can replace traditional manual rotation to adjust the mode of tensioning, realizes the automation of rotation axis tensioning adjustment, greatly alleviates the labor intensity of operator, improves operating efficiency, reduces the interference of artificial factor, reduces the incidence of equipment failure, improves the reliability of equipment.

Description

Technical Field

[0001] This utility model relates to the field of loom equipment technology, and in particular to a yarn feeding mechanism for a loom. Background Technology

[0002] Rapier looms are currently the most widely used type of shuttleless loom. They not only inherit the significant characteristics of shuttleless looms, such as high-speed operation, high automation, and high production efficiency, but also exhibit strong adaptability to various types of yarns due to their active weft insertion technology, which can fully meet the weft insertion requirements of various yarns.

[0003] For example, the warp feeding mechanism of a rapier loom with the publication (announcement) number CN205529279U aims to solve the problem of poor stability of the warp feeding mechanism of the rapier loom. The key technical point of the solution is a warp feeding mechanism for a rapier loom, including a bracket, on which a warp beam for releasing warp threads is rotatably connected via a rotating rod, and a fixed body is threadedly connected to the end of the rotating rod. A clamping member is slidably connected on the rotating rod between the fixed body and the warp beam, and the clamping member extends to the outside of the warp beam and is slidably connected to a fixed rod. The fixed rod is fixedly connected to the bracket.

[0004] In summary, the existing technology has the following technical problems: During use, the existing technology requires manual rotation of the fixed body and adjustment of the position of the clamping block to achieve the tensioning of the warp beam, which is time-consuming and labor-intensive and has room for improvement. Therefore, we propose a yarn feeding mechanism for a loom. Utility Model Content

[0005] The purpose of this invention is to provide a yarn feeding mechanism for a loom to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A yarn feeding mechanism for a loom includes a loom support, a rotating shaft, and a warp beam. The rotating shaft is rotatably connected to the inner side of the loom support, and the warp beam is detachably connected to the outer side of the rotating shaft. Two support rods are fixed to one side of the loom support, and an anti-slip plate is fixed to one end of each support rod by bolts. The anti-slip plate is rotatably connected to the rotating shaft, and a tensioning mechanism is assembled between the loom support and the rotating shaft.

[0008] Preferably, the tensioning mechanism includes a drive assembly and a mating assembly, the drive assembly is mounted on the side of the loom support away from the support rod, and the mating assembly is mounted between the drive assembly and the rotating shaft.

[0009] Preferably, the drive assembly includes a hydraulic rod, a drag rod, a positioning rod, a U-shaped plate, and a cylindrical protrusion. The hydraulic rod is fixed to the side of the loom support away from the support rod. The output end of the hydraulic rod is rotatably connected to the drag rod. The middle part of the drag rod is rotatably connected to the positioning rod. One end of the positioning rod is fixed to the loom support. One end of the drag rod is fixed to the U-shaped plate. The top and bottom of the inner side of the U-shaped plate are both fixed with cylindrical protrusions.

[0010] Preferably, the mating assembly includes an extension shaft, a reduction gear, a sliding sleeve, an annular groove, a force-applying rod, a reduction block, and a support frame. One end of the rotating shaft passes through the loom support and is fixed to the extension shaft. The reduction gear is fixed to the outer side of the extension shaft. The sliding sleeve is slidably connected to the outer side of the extension shaft and offset from the reduction gear. An annular groove is formed on the outer side of the sliding sleeve. The cylindrical protrusions are all clearance-fitted with the inner side of the annular groove. The top and bottom of one end of the sliding sleeve are rotatably connected to the force-applying rod. One end of the force-applying rod is rotatably connected to the reduction block. A support frame is slidably connected between the two reduction blocks. The support frame is fixed to the extension shaft.

[0011] Preferably, the outer side of the cylindrical protrusion is provided with anti-slip texture, and the inner side of the annular groove is also provided with anti-slip texture.

[0012] Preferably, a friction plate is fixed to one side of the deceleration block by screws, and the curvature of one side of the friction plate is the same as the curvature of the inner side of the deceleration chamber wheel.

[0013] It is clear without a doubt that the technical solution described above in this application can solve the technical problem that this application aims to address.

[0014] At the same time, through the above technical solutions, this utility model has at least the following beneficial effects:

[0015] This invention, through the structural design of the tensioning mechanism, enables the device to replace the traditional method of manually rotating to adjust tension, thereby automating the tension adjustment of the rotating shaft. This greatly reduces the labor intensity of operators, improves operating efficiency, reduces interference from human factors, lowers the incidence of equipment failure, and improves the reliability of the equipment. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some 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 structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the connection structure between the anti-detachment plate and the rotating shaft of this utility model;

[0019] Figure 3 This is a schematic diagram of the connection structure between the drag rod and the positioning rod of this utility model;

[0020] Figure 4 This is a schematic diagram of the connection structure between the U-shaped plate and the cylindrical protrusion of this utility model;

[0021] Figure 5 This is a schematic diagram of the connection structure between the deceleration block and the force-applying rod of this utility model.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] In the diagram: 1. Loom support; 2. Rotating shaft; 3. Warp beam; 4. Support rod; 5. Anti-detachment plate; 6. Hydraulic rod; 7. Driving rod; 8. Positioning rod; 9. U-shaped plate; 10. Cylindrical protrusion; 11. Extension shaft; 12. Reduction chamber wheel; 13. Sliding sleeve; 14. Annular groove; 15. Force application rod; 16. Reduction block; 17. Bearing frame; 18. Friction plate. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] Example 1

[0026] Reference Figure 1-4 A yarn feeding mechanism for a loom includes a loom support 1, a rotating shaft 2, and a warp beam 3. The rotating shaft 2 is rotatably connected to the inner side of the loom support 1, and the warp beam 3 is detachably connected to the outer side of the rotating shaft 2. Two support rods 4 are fixed on one side of the loom support 1, and an anti-detachment plate 5 is fixed to one end of the two support rods 4 by bolts. The anti-detachment plate 5 is rotatably connected to the rotating shaft 2. A tensioning mechanism is assembled between the loom support 1 and the rotating shaft 2.

[0027] The tensioning mechanism includes a drive assembly and a mating assembly. The drive assembly is mounted on the side of the loom support 1 away from the support rod 4, and the mating assembly is mounted between the drive assembly and the rotating shaft 2. The drive assembly includes a hydraulic rod 6, a drag rod 7, a positioning rod 8, a U-shaped plate 9, and a cylindrical protrusion 10. The hydraulic rod 6 is fixed on the side of the loom support 1 away from the support rod 4. The output end of the hydraulic rod 6 is rotatably connected to the drag rod 7, and the middle of the drag rod 7 is rotatably connected to the positioning rod 8. One end of the positioning rod 8 is fixed to the loom support 1, and one end of the drag rod 7 is fixed to the U-shaped plate 9. The top and bottom of the inner side of the U-shaped plate 9 are both fixed with cylindrical protrusions 10. When the hydraulic rod 6 is activated, the output end of the hydraulic rod 6 pushes the drag rod 7 to rotate, causing the drag rod 7 to drive the U-shaped plate 9 and the cylindrical protrusion 10 to rotate about one end of the positioning rod 8 as the axis.

[0028] The assembly includes an extension shaft 11, a reduction gear 12, a sliding sleeve 13, an annular groove 14, a force rod 15, a reduction block 16, and a support frame 17. One end of the rotating shaft 2 passes through the loom support 1 and is fixed to the extension shaft 11. The reduction gear 12 is fixed to the outside of the extension shaft 11. The sliding sleeve 13 is slidably connected to the outside of the extension shaft 11 and offset from the reduction gear 12. An annular groove 14 is opened on the outside of the sliding sleeve 13. The cylindrical protrusions 10 are all clearance-fitted with the inner side of the annular groove 14. The top and bottom of one end of the sliding sleeve 13 are rotatably connected to the force rod 15. One end of the force rod 15 is rotatably connected to the reduction block 16. A support frame 17 is slidably connected between the two reduction blocks 16. The support frame 17 is fixed to the extension shaft 11. In the initial state, the cylindrical protrusions 10 are located inside the annular groove 14 and do not contact the annular groove 14.

[0029] The cylindrical protrusion 10 has anti-slip texture on its outer side, and the annular groove 14 also has anti-slip texture on its inner side. By adjusting the lateral position of the cylindrical protrusion 10, the cylindrical protrusion 10 contacts the side of the annular groove 14, increasing the friction between the cylindrical protrusion 10 and the annular groove 14, and increasing the rotational resistance of the sliding sleeve 13.

[0030] Example 2

[0031] Further optimizations to Example 1, specifically, such as... Figure 5 As shown, a friction plate 18 is fixed to one side of the reduction block 16 by screws. The curvature of one side of the friction plate 18 is the same as the curvature of the inner side of the reduction chamber wheel 12. By setting the friction plate 18, the friction force between the reduction block 16 and the reduction chamber wheel 12 can be increased. At the same time, when the friction plate 18 is severely worn, the friction plate 18 can be disassembled and replaced.

[0032] In summary:

[0033] This utility model addresses the technical problem that existing technologies require manual rotation of the fixed body and adjustment of the clamping block to achieve warp beam tensioning, which is time-consuming and labor-intensive, leaving room for improvement. The present invention adopts the technical solutions described in the above embodiments. Furthermore, the implementation process of the above technical solutions is as follows:

[0034] During use, when tensioning of the rotating shaft 2 is required, the hydraulic rod 6 is activated. The output end of the hydraulic rod 6 pushes the drag rod 7 to rotate, causing the drag rod 7 to drive the U-shaped plate 9 to rotate. Because the cylindrical protrusion 10 is located inside the annular groove 14 and the sliding sleeve 13 is slidably connected to the extension shaft 11, the cylindrical protrusion 10 can push the sliding sleeve 13 to move along the outside of the extension shaft 11 through the annular groove 14. At the same time, the sliding sleeve 13 is rotatably connected to the force rod 15, which in turn allows the sliding sleeve 13 to push the deceleration block 16 to move along the inside of the support frame 17 through the force rod 15 until the two deceleration blocks 16 drive the friction plate 18 to move towards the inner side of the deceleration chamber wheel 12, so that the friction plate 18 contacts the inner side of the deceleration chamber wheel 12, converting the friction force between the cylindrical protrusion 10 and the annular groove 14 into rotational resistance on the deceleration chamber wheel 12, thereby enabling the rotating shaft 2 to achieve tensioning of the warp during the unwinding process.

[0035] For hydraulic rod 6, we recommend the HG-100 series heavy-duty hydraulic rod or the HG-150 series, with the following requirements:

[0036] Response speed: The hydraulic rod is required to complete its full extension and retraction within 0.5 seconds to match the line laying speed.

[0037] Sealing performance: Adopts a double-lip seal structure to prevent hydraulic oil leakage and is suitable for dusty environments in textile workshops.

[0038] Installation method: Choose trunnion mounting, which facilitates hinge connection with the drag rod 7 and reduces damage to the hydraulic rod 6 by lateral forces.

[0039] Control principle of hydraulic rod 6:

[0040] Hydraulic system components:

[0041] Hydraulic pump: A gear pump (flow rate 10L / min, pressure 10MPa) is selected to provide a stable supply of hydraulic oil.

[0042] Solenoid directional valve: A three-position four-way solenoid valve (model 4WE6D-6X / EG24N9K4) is used to control the extension and retraction direction of the hydraulic rod.

[0043] Proportional pressure reducing valve: Integrated electro-hydraulic proportional pressure reducing valve (model DR10-5-5X / 315YM), which continuously adjusts the output force of the hydraulic rod by input current (0-5V) to achieve precise control of friction plate pressure.

[0044] Hydraulic cylinder: Custom double-acting hydraulic cylinder (80mm cylinder diameter, 45mm rod diameter, 200mm stroke), matched with hydraulic rod model.

[0045] Control logic:

[0046] Tensioning stage: The PLC output signal causes the solenoid valve to operate in the left position, the hydraulic rod extends, pushes the drag rod 7 to rotate, the friction plate 18 contacts the reduction chamber wheel 12, and the proportional pressure reducing valve adjusts the output pressure in real time according to the feedback of the tension sensor until the set tension value is reached.

[0047] During the wire laying stage: the solenoid valve remains in the neutral position, the hydraulic rod 6 is self-locking, and the pressure of the friction plate is kept stable.

[0048] Relaxation phase: The solenoid valve is in the right position, the hydraulic rod 6 retracts, and the friction plate 18 disengages from the reduction chamber wheel 12.

[0049] The PLC controller is a Siemens S7-1200 series, receiving inputs from a tension sensor (4-20mA signal) and a rotary shaft encoder (pulse signal). It uses a PID algorithm to calculate the control current of the proportional pressure reducing valve, achieving closed-loop tension control. It outputs a 24VDC signal to control the solenoid valve. It is equipped with an HMI touchscreen (model KTP700Basic) that displays real-time tension values, hydraulic rod status, and fault alarms.

[0050] With the above-mentioned settings, this application will certainly solve the above-mentioned technical problems, and at the same time achieve the following technical effects:

[0051] This invention, through the structural design of the tensioning mechanism, enables the device to replace the traditional method of manually rotating to adjust tension, thereby automating the tension adjustment of the rotating shaft 2. This greatly reduces the labor intensity of operators, improves operating efficiency, reduces interference from human factors, lowers the incidence of equipment failure, and improves the reliability of the equipment.

[0052] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0053] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A yarn feeding mechanism for a loom, characterized in that, The loom includes a loom support (1), a rotating shaft (2), and a warp beam (3). The rotating shaft (2) is rotatably connected to the inner side of the loom support (1), and the warp beam (3) is detachably connected to the outer side of the rotating shaft (2). Two support rods (4) are fixed on one side of the loom support (1), and an anti-detachment plate (5) is fixed to one end of the two support rods (4) by bolts. The anti-detachment plate (5) is rotatably connected to the rotating shaft (2), and a tensioning mechanism is assembled between the loom support (1) and the rotating shaft (2).

2. The yarn feeding mechanism for a loom according to claim 1, characterized in that, The tensioning mechanism includes a drive assembly and a mating assembly. The drive assembly is mounted on the side of the loom support (1) away from the support rod (4), and a mating assembly is mounted between the drive assembly and the rotating shaft (2).

3. The yarn feeding mechanism for a loom according to claim 2, characterized in that, The drive assembly includes a hydraulic rod (6), a drag rod (7), a positioning rod (8), a U-shaped plate (9), and a cylindrical protrusion (10). The hydraulic rod (6) is fixed on the side of the loom support (1) away from the support rod (4). The output end of the hydraulic rod (6) is rotatably connected to the drag rod (7). The middle part of the drag rod (7) is rotatably connected to the positioning rod (8). One end of the positioning rod (8) is fixed to the loom support (1). One end of the drag rod (7) is fixed to the U-shaped plate (9). The top and bottom of the inner side of the U-shaped plate (9) are both fixed with cylindrical protrusions (10).

4. The yarn feeding mechanism for a loom according to claim 3, characterized in that, The fitting assembly includes an extension shaft (11), a reduction chamber wheel (12), a sliding sleeve (13), an annular groove (14), a force rod (15), a reduction block (16), and a support frame (17). One end of the rotating shaft (2) passes through the loom support (1) and is fixed to the extension shaft (11). The reduction chamber wheel (12) is fixed to the outside of the extension shaft (11). The sliding sleeve (13) is slidably connected to the outside of the extension shaft (11) and at a position away from the reduction chamber wheel (12). An annular groove (14) is opened on the outside of the sliding sleeve (13). The cylindrical protrusions (10) are all clearance-fitted with the inner side of the annular groove (14). The top and bottom of one end of the sliding sleeve (13) are rotatably connected to the force rod (15). One end of the force rod (15) is rotatably connected to the reduction block (16). A support frame (17) is slidably connected between the two reduction blocks (16). The support frame (17) is fixed to the extension shaft (11).

5. The yarn feeding mechanism for a loom according to claim 4, characterized in that, The outer side of the cylindrical protrusion (10) is provided with anti-slip texture, and the inner side of the annular groove (14) is also provided with anti-slip texture.

6. The yarn feeding mechanism for a loom according to claim 4, characterized in that, One side of the deceleration block (16) is fixed with a friction plate (18) by screws, and the curvature of one side of the friction plate (18) is the same as the curvature of the inner side of the deceleration chamber wheel (12).

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