Let-off device for water-jet loom

Abstract

The let-off device comprises a machine frame, a yarn inlet roller and a yarn outlet roller are connected to the machine frame in a rotating mode, a plurality of sliding frames are connected to the machine frame in a sliding mode, two sliding grooves are formed in each sliding frame, the two sliding grooves are oppositely arranged, force measuring sensors are installed at the bottoms of the sliding grooves, sliding blocks are connected to the interiors of the sliding grooves in a sliding mode, and the sliding blocks are connected to the machine frame in a sliding mode. The two sliding blocks are rotationally connected with the same rotating wheel, and the rack is rotationally connected with a plurality of first threaded rods. Through cooperative arrangement of the threaded rod and the sliding frame, the sliding frame can be driven to slide up and down on the rack through rotation of the threaded rod, the pressure caused by the silk thread to the rotating wheel is monitored in real time through the force measuring sensor, and therefore the sliding frame can be driven by the threaded rod to adjust the tension of the silk thread in real time, and practicability is improved; and through cooperative arrangement of the first gears and the second gears, one rotary driving device can drive the first gears through the second gears to conduct tension adjustment, and resource waste caused by the multiple driving devices is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of warp letting-off for water jet looms, in particular to a warp letting-off device for water jet looms. Background Art

[0002] In order to improve the aesthetics and practicality of fabrics, multiple silk threads need to be interwoven together during fabric processing. During the processing, various silk threads require different tensions in the textile process.

[0003] The warp letting device of the water jet loom in the prior art can only adjust the overall tension of the silk thread, but cannot provide different tensions for different silk threads separately, resulting in failure to produce qualified fabrics when weaving multiple silk threads. Utility Model Content

[0004] Based on this, it is necessary to provide a warp feeding device for a water jet loom to address the above technical problems.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a warp feeding device for a water jet loom, comprising a frame, an inlet roller and an outlet roller are rotatably connected to the frame, a plurality of sliding frames are slidably connected to the frame, the sliding frame is provided with two slide grooves, the two slide grooves are arranged oppositely, a force sensor is installed at the bottom of the slide groove, a slider is slidably connected in the slide groove, the two sliders are rotatably connected to the same rotating wheel, a plurality of threaded rods 1 are rotatably connected to the frame, one end of the threaded rod 1 is threadedly connected to the sliding frame, the other end of the threaded rod 1 is installed with a bevel gear 1, a plurality of rotating shafts are rotatably connected to the frame, one end of the rotating shaft is installed with a bevel gear 2, the bevel gear 1 is meshed with the bevel gear 2, the other end of the rotating shaft is installed with a gear 1, a moving block is slidably connected to the frame, a rotating drive device 1 is installed on the moving block, a gear 2 is installed at the output end of the rotating drive device 1, and the gear 1 is meshed with the gear 2.

[0006] Preferably, the frame is provided with a moving groove, and the moving block slides in the moving groove.

[0007] Preferably, a second threaded rod is rotatably connected to the frame, and the moving block is threadably connected to the second threaded rod.

[0008] Preferably, a second rotary drive device is installed on the frame, and an output end of the second rotary drive device is transmission-connected to the second threaded rod.

[0009] Preferably, the output end of the second rotary drive device is transmission-connected to the second threaded rod via a first coupling.

[0010] Preferably, the output end of the first rotary drive device is transmission-connected to the second gear via the second coupling.

[0011] Compared with the prior art, this technical solution has at least one of the following beneficial effects:

[0012] Through the coordinated arrangement of the threaded rod and the sliding frame, the threaded rod can be rotated to drive the sliding frame to slide up and down on the frame, and the force sensor can be used to monitor the pressure of the silk thread on the rotating wheel in real time, so that the threaded rod can drive the sliding frame to adjust the tension of the silk thread in real time, thereby improving practicality;

[0013] Through the coordinated arrangement of gear one and gear two, one rotary drive device can drive several gear ones through gear two to adjust the tension, thereby reducing the waste of resources caused by multiple drive devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional diagram of an embodiment of the utility model;

[0015] Figure 2 A second perspective view of an embodiment of the utility model;

[0016] Figure 3 It is a front cross-sectional view of an embodiment of the utility model;

[0017] In the figure, 1, frame; 2, inlet roller; 3, outlet roller; 4, sliding frame; 5, slide groove; 6, force sensor; 7, slider; 8, rotating wheel; 9, threaded rod one; 10, bevel gear one; 11, rotating shaft; 12, bevel gear two; 13, gear one; 14, moving block; 15, rotating drive device one; 16, gear two; 17, moving groove; 18, threaded rod two; 19, rotating drive device two; 20, coupling one; 21, coupling two. DETAILED DESCRIPTION

[0018] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0019] See also Figures 1 to 3The embodiment of the present application provides a warp feeding device for a water jet loom, including a frame 1, a wire feed roller 2 and a wire outlet roller 3 are rotatably connected to the frame 1, a plurality of sliding frames 4 are slidably connected to the frame 1, the wire feed roller 2 and the wire outlet roller 3 are located on both sides of the sliding frame 4, two slide grooves 5 are provided on the sliding frame 4, the two slide grooves 5 are arranged oppositely, a force sensor 6 is installed at the bottom of the slide groove 5, the force sensor 6 can be a pressure sensor, a slider 7 is slidably connected in the slide groove 5, the slider 7 is always in contact with the force sensor 6 due to gravity, the two sliders 7 are rotatably connected to the same rotating wheel 8, and a plurality of threaded rods 9 are rotatably connected to the frame 1 One end of the threaded rod 9 is threadedly connected to the sliding frame 4, and the other end of the threaded rod 9 is equipped with a bevel gear 10. A plurality of rotating shafts 11 are rotatably connected to the frame 1, and the number of the rotating shafts 11 is adapted to the threaded rod 9. One end of the rotating shaft 11 is equipped with a bevel gear 2 12, and the bevel gear 10 is meshed with the bevel gear 2 12. A gear 13 is installed at the other end of the rotating shaft 11. A moving block 14 is slidably connected to the frame 1, and a rotation driving device 15 is installed on the moving block 14. A gear 2 16 is installed at the output end of the rotation driving device 15, and the gear 13 is meshed with the gear 2 16.

[0020] In this embodiment, when the silk thread is being pulled, it passes through the inlet roller 2, the rotating wheel 8, and the outlet roller 3 in sequence. When the silk thread passes through the rotating wheel 8, downward pressure is exerted on the rotating wheel 8, and the pressure is transmitted to the force sensor 6 by the slider 7 sliding in the slide groove 5 on the sliding frame 4; when the silk thread is not being pulled, the reading obtained by the force sensor 6 is the weight of the rotating wheel 8 and the slider 7 themselves, and the increased reading during pulling is the tension of the silk thread; at this time, by driving the threaded rod 9 to rotate, the sliding frame 4 can be driven to move up and down on the frame 1, thereby changing the linear distance between the rotating wheel 8 and the inlet roller 2 and the outlet roller 3, thereby achieving the purpose of adjusting the silk thread tension, and through the arrangement of multiple sliding frames 4, the purpose of adjusting the tension of different silk threads is achieved. By sliding the moving block 14 back and forth on the frame 1, the rotating drive device 15 can mesh and transmit with the plurality of gears 13 through the gear 2 16, and the transmission is transmitted from the rotating shaft 11 to the bevel gear 2 12, and the bevel gear 10 is meshed with the bevel gear 2 12, so that the threaded rod 19 can be driven to rotate, so that a rotating drive device 15 drives multiple groups of sliding frames 4 to adjust the tension, thereby reducing the waste of resources.

[0021] In some embodiments, in order to prevent the moving block 14 from being offset when the moving block 14 slides back and forth on the rack 1 , a moving groove 17 is provided on the rack 1 , and the moving block 14 slides in the moving groove 17 .

[0022] In some embodiments, in order to facilitate driving the moving block 14 to slide on the frame 1 , a threaded rod 18 is rotatably connected to the frame 1 , and the moving block 14 is threadedly connected to the threaded rod 18 .

[0023] In some embodiments, in order to facilitate the automation of sliding of the moving block 14 on the frame 1 , a second rotary drive device 19 is installed on the frame 1 , and the output end of the second rotary drive device 19 is transmission-connected to the second threaded rod 18 .

[0024] In some embodiments, in order to facilitate the rotation drive device 2 19 to drive the threaded rod 2 18 to rotate, the output end of the rotation drive device 2 19 is arranged to be transmission-connected with the threaded rod 2 18 via a coupling 1 20 .

[0025] In some embodiments, in order to facilitate the rotation driving device 15 to drive the gear 2 16 to rotate, the output end of the rotation driving device 15 is arranged to be transmission-connected with the gear 2 16 via the coupling 2 21 .

[0026] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0027] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A warp let-off device for a water jet loom, comprising a frame (1), to which an inlet wire roller (2) and an outlet wire roller (3) are rotatably connected, characterized in that: The frame (1) is slidably connected to a plurality of sliding frames (4), the sliding frames (4) are provided with two slide grooves (5), the two slide grooves (5) are arranged opposite to each other, a force sensor (6) is installed at the bottom of the slide groove (5), a slider (7) is slidably connected in the slide groove (5), the two sliders (7) are rotatably connected to the same rotating wheel (8), the frame (1) is rotatably connected to a plurality of threaded rods (9), one end of the threaded rod (9) is threadedly connected to the sliding frame (4), and the other end of the threaded rod (9) is installed with a bevel gear (10), A plurality of rotating shafts (11) are rotatably connected to the frame (1), a bevel gear 2 (12) is mounted on one end of the rotating shaft (11), the bevel gear 1 (10) is meshingly connected with the bevel gear 2 (12), a gear 1 (13) is mounted on the other end of the rotating shaft (11), a moving block (14) is slidably connected to the frame (1), a rotating drive device 1 (15) is mounted on the moving block (14), a gear 2 (16) is mounted on the output end of the rotating drive device 1 (15), and the gear 1 (13) is meshingly connected with the gear 2 (16).

2. The warp let-off device for a water jet loom according to claim 1, characterized in that: The frame (1) is provided with a moving groove (17), and the moving block (14) slides in the moving groove (17).

3. The warp let-off device for a water jet loom according to claim 1, characterized in that: The frame (1) is rotatably connected to a second threaded rod (18), and the moving block (14) is threadably connected to the second threaded rod (18).

4. The warp let-off device for a water jet loom according to claim 3, characterized in that: A second rotary drive device (19) is mounted on the frame (1), and an output end of the second rotary drive device (19) is drivingly connected to the second threaded rod (18).

5. The warp let-off device for a water jet loom according to claim 4, characterized in that: The output end of the second rotary drive device (19) is transmission-connected to the second threaded rod (18) via a first coupling (20).

6. The warp let-off device for a water jet loom according to claim 1, characterized in that: The output end of the rotary drive device 1 (15) is transmission-connected to the gear 2 (16) via the coupling 2 (21).

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