Fastening device for swing rod and swing shaft on rapier loom
By adopting a locking mechanism and a magnet assembly design on the rapier loom, the problem of inconvenient disassembly of the swing arm and swing shaft is solved, realizing convenient disassembly and stable connection, and improving the operating efficiency and product quality of the loom.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN GUANKANGLONG TEXTILE CO LTD
- Filing Date
- 2025-06-06
- Publication Date
- 2026-05-12
AI Technical Summary
The existing connection method between the swing arm and the swing shaft on the rapier loom is not easy to disassemble, which leads to maintenance difficulties and affects the loom's operating efficiency and product quality.
The design employs a locking mechanism and a magnet assembly, allowing for easy disassembly of the swing arm via a toggle plate and spring. The combination of a retaining ring and magnets enhances connection stability, ensuring a stable connection between the swing arm and the swing axis.
It enables convenient disassembly and installation of the swing arm, improves the operating efficiency and product quality of the loom, enhances the stability of the connection, reduces failures caused by loose parts, and improves the performance and reliability of the loom.
Smart Images

Figure CN224227352U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fastening device technology, specifically a fastening device for the swing arm and swing shaft on a rapier loom. Background Technology
[0002] Rapier looms typically consist of frames on both sides, which are equipped with five major systems: take-up, shedding, beat-up, warp feed, and weft insertion. The beat-up system uses a reed to push the weft yarn introduced into the shed towards the weft opening, where it interweaves with the warp yarn to form a fabric with a certain weft density.
[0003] On a rapier loom, the beat-up system is usually driven by a main drive motor to rotate the swing shaft periodically in both directions. A swing rod is fixedly mounted on the swing shaft. In the prior art, the swing rod is usually fixed to the swing shaft by a fixing frame. The fixing frame and the swing rod are usually fixed by welding or by bolts. When the swing rod needs to be disassembled for maintenance, it is inconvenient. Therefore, a fastening device for the swing rod and the swing shaft on a rapier loom is proposed. Summary of the Invention
[0004] To address the shortcomings of existing technologies, this utility model provides a fastening device for the swing arm and swing shaft on a rapier loom, which has the advantages of facilitating the disassembly and maintenance of the swing arm and solves the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A fastening device for a swing arm and a swing shaft on a rapier loom includes a frame and a swing arm body. The swing shaft body is rotatably connected to the inside of the frame via a bearing. A motor is fixed to the left side of the frame via a mounting bracket. The outer side of the motor output shaft rotatably passes through the frame and is fixedly connected to the left side of the swing shaft body. A locking mechanism is provided on the lower surface of the swing arm body, and a connecting mechanism is provided on the outer side of the swing shaft body.
[0007] The locking mechanism includes a locking frame fixed to the lower surface of the swing arm body. Fixing holes are provided on both the left and right sides of the locking frame. A first connecting rod is slidably inserted into the inside of the locking frame. Slots are provided on both the left and right sides of the first connecting rod. U-shaped frames are fixed to both the left and right sides of the locking frame. Springs are fixed to opposite side walls of the inner cavities of the U-shaped frames on both sides. Moving plates are fixed to opposite sides of the springs on both sides. Locking rods are fixed to opposite sides of the moving plates on both sides. The locking rods on both sides are slidably connected to the inside of the fixing holes on both sides. Opposite sides of the locking rods on both sides are slidably inserted into the slots on both sides. Connecting components are provided on the front of the moving plates on both sides.
[0008] Furthermore, the connecting assembly includes a toggle plate fixed to the front of the left and right movable plates. The top and bottom walls of the U-shaped frame cavity on both the left and right sides are provided with sliding grooves. A slider is slidably connected inside each sliding groove. The opposite sides of the sliders on the upper and lower sides are fixedly connected to the upper and lower surfaces of the movable plates.
[0009] Furthermore, the slider moves linearly left and right inside the groove.
[0010] Furthermore, the connecting mechanism includes three fixing rings that are fixed to the outside of the swing arm body by bolts. The upper surfaces of the fixing rings on both the left and right sides are fixed with second connecting rods. The upper surface of the middle fixing ring is fixedly connected to the bottom end of the first connecting rod. The lower surfaces of the swing arm body are fixed with plug-in cylinders on both the left and right sides. The top ends of the second connecting rods on both the left and right sides are slidably inserted into the interior of the plug-in cylinders on both the left and right sides.
[0011] Furthermore, the connecting mechanism also includes a first magnet fixed to the top wall of the inner cavity of the left and right plug-in cylinders, and a second magnet is magnetically attracted to the lower surface of the first magnet on both the left and right sides. The second magnets on both the left and right sides are fixed to the top of the second connecting rods on both the left and right sides.
[0012] Furthermore, the three fixing rings are evenly distributed on the outer side of the pendulum shaft body.
[0013] Furthermore, the first connecting rod and the second connecting rod are of the same size.
[0014] Furthermore, the inner diameter of the slot is adapted to the outer diameter of the lever.
[0015] Compared with the prior art, this utility model provides a fastening device for the swing arm and swing shaft on a rapier loom, which has the following advantages:
[0016] The fastening device for the swing arm and swing shaft on this rapier loom, through the design of a lever plate and spring, makes the disassembly and installation of the swing arm body simple and convenient, and easy to maintain. The fastening method using a fixing ring and magnet assembly ensures a more stable and reliable connection between the swing arm body and the swing shaft body. A stable connection can reduce failures caused by loose parts, improve the operating efficiency of the loom and the product quality, and effectively enhance the performance and reliability of the rapier loom, providing more stable equipment support for textile production. Attached Figure Description
[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 locking mechanism of this utility model;
[0019] Figure 3This is a bottom view of the U-shaped frame of this utility model;
[0020] Figure 4 This is a schematic diagram of the connection mechanism of this utility model.
[0021] In the diagram: 1. Frame, 2. Swing rod body, 3. Swing shaft body, 4. Motor, 5. Locking mechanism, 501. Locking frame, 502. Fixing hole, 503. First connecting rod, 504. Slot, 505. U-shaped frame, 506. Spring, 507. Moving plate, 508. Locking rod, 509. Actuating plate, 510. Slide groove, 511. Slider, 6. Connecting mechanism, 601. Fixing ring, 602. Second connecting rod, 603. Insertion tube, 604. First magnet, 605. Second magnet. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1 This embodiment of a fastening device for a swing arm and a swing shaft on a rapier loom includes a frame 1 and a swing arm body 2. The swing shaft body 3 is rotatably connected to the inside of the frame 1 via a bearing. A motor 4 is fixed to the left side of the frame 1 via a mounting bracket. The outer side of the output shaft of the motor 4 rotatably passes through the frame 1 and is fixedly connected to the left side of the swing shaft body 3. A locking mechanism 5 is provided on the lower surface of the swing arm body 2, and a connecting mechanism 6 is provided on the outer side of the swing shaft body 3.
[0024] In this embodiment, the start motor 4 can drive the swing shaft body 3 to rotate periodically in both directions, and then drive the swing rod body 2 to swing. When the swing rod body 2 swings, the reed pushes the weft yarn introduced into the shed towards the weaving point, and interweaves with the warp yarn to form a fabric with a certain weft density.
[0025] Please see Figures 2 to 3 In this embodiment, the locking mechanism 5 includes a locking frame 501 fixed to the lower surface of the swing arm body 2. The locking frame 501 has a fixing hole 502 through it on both the left and right sides. A first connecting rod 503 is slidably inserted into the locking frame 501. The first connecting rod 503 has a locking groove 504 on both the left and right sides. A U-shaped frame 505 is fixed on both the left and right sides of the locking frame 501.
[0026] Specifically, springs 506 are fixed to the opposite side walls of the inner cavities of the left and right U-shaped frames 505, movable plates 507 are fixed to the opposite side of the springs 506 on both sides, and locking rods 508 are fixed to the opposite side of the movable plates 507 on both sides. The locking rods 508 on both sides are slidably connected to the inside of the fixing holes 502 on both sides, and the opposite side of the locking rods 508 on both sides are slidably inserted into the inside of the locking slots 504 on both sides. Connecting components are provided on the front of the movable plates 507 on both sides.
[0027] Specifically, the design of the toggle plate 509 and the spring 506 makes the disassembly and installation of the rocker arm body 2 simple and convenient, and easy to maintain.
[0028] Specifically, the connecting components include a toggle plate 509 fixed to the front of the left and right movable plates 507, and grooves 510 are provided on the top and bottom walls of the inner cavity of the left and right U-shaped frames 505. A slider 511 is slidably connected inside each groove 510. The opposite sides of the upper and lower sliders 511 are fixedly connected to the upper and lower surfaces of the movable plate 507. The sliders 511 move linearly left and right inside the grooves 510. The inner diameter of the slot 504 is adapted to the outer diameter of the lever 508.
[0029] It should be noted that by pushing the left and right actuating plates 509 in opposite directions, the left and right springs 506 are compressed, and the left and right moving plates 507 move in opposite directions inside the left and right U-shaped frames 505. This causes the left and right locking rods 508 to move in opposite directions, and the opposite side of the left and right locking rods 508 moves out of the left and right locking slots 504. Then, the swing arm body 2 is pulled upward, so that the swing arm body 2 can be disassembled for inspection or maintenance.
[0030] Please see Figure 4 In this embodiment, the connecting mechanism 6 includes three fixing rings 601 that are fixed to the outside of the swing shaft body 3 by bolts. The upper surfaces of the fixing rings 601 on both the left and right sides are fixed with second connecting rods 602. The upper surface of the middle fixing ring 601 is fixedly connected to the bottom end of the first connecting rod 503. The lower surfaces of the swing shaft body 2 are fixed with plug-in cylinders 603 on both the left and right sides. The top ends of the second connecting rods 602 on both the left and right sides are slidably inserted into the interior of the plug-in cylinders 603 on both the left and right sides.
[0031] Specifically, the connecting mechanism 6 also includes a first magnet 604 fixed to the top wall of the inner cavity of the left and right plug tubes 603, a second magnet 605 magnetically attracted to the lower surface of the first magnet 604 on both sides, the second magnets 605 on both sides being fixed to the top of the second connecting rods 602 on both sides, and three fixing rings 601 evenly distributed on the outside of the swing shaft body 3. The first connecting rod 503 and the second connecting rod 602 are of the same size.
[0032] It should be noted that the three fixing rings 601 are fixed to the outside of the swing shaft body 3 by bolts, ensuring a more stable connection between the swing rod body 2 and the swing shaft body 3. The use of the magnet assembly further enhances the stability of the connection.
[0033] The working principle of the above embodiments is as follows:
[0034] In use, starting the motor 4 drives the swing shaft body 3 to rotate periodically in both directions, which in turn drives the swing rod body 2 to swing. When the swing rod body 2 swings, the reed pushes the weft yarn introduced into the shed towards the weft, where it interweaves with the warp yarn to form a fabric with a certain weft density. By pushing the left and right actuating plates 509 in opposite directions, the left and right springs 506 are compressed, and the left and right moving plates 507 move in opposite directions inside the left and right U-shaped frames 505. This causes the left and right locking rods 508 to move in opposite directions, and the opposite side of the left and right locking rods 508 moves out of the left and right locking slots 504. Then, the swing rod body 2 is pulled upward, and the first magnet 604 and the second magnet 605 on the left and right sides separate from each other, so that the swing rod body 2 can be disassembled for inspection or maintenance. The three fixing rings 601 are fixed to the outside of the swing shaft body 3 with bolts to ensure a more stable connection between the swing rod body 2 and the swing shaft body 3. The use of the magnet assembly further enhances the stability of the connection.
[0035] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fastening device for a swing arm and a swing shaft on a rapier loom, comprising a frame (1) and a swing arm body (2), characterized in that: The frame (1) is rotatably connected to the swing shaft body (3) through a bearing. The left side of the frame (1) is fixed with a motor (4) through a mounting bracket. The outer side of the output shaft of the motor (4) rotates through the frame (1) and is fixedly connected to the left side of the swing shaft body (3). The lower surface of the swing rod body (2) is provided with a locking mechanism (5), and the outer side of the swing shaft body (3) is provided with a connecting mechanism (6). The locking mechanism (5) includes a locking frame (501) fixed to the lower surface of the swing arm body (2). Fixing holes (502) are provided through the left and right sides of the locking frame (501). A first connecting rod (503) is slidably inserted into the inside of the locking frame (501). Slots (504) are provided on both the left and right sides of the first connecting rod (503). U-shaped frames (505) are fixed to both the left and right sides of the locking frame (501). The inner walls of the U-shaped frames (505) on the left and right sides are respectively... Each side is fixed with a spring (506), and each side of the spring (506) is fixed with a movable plate (507). Each side of the movable plate (507) is fixed with a locking rod (508). Each side of the locking rod (508) is slidably connected to the inside of the fixing holes (502) on the left and right sides. Each side of the locking rod (508) is slidably inserted into the inside of the locking slots (504) on the left and right sides. The front of the movable plate (507) on the left and right sides is provided with a connecting component.
2. The fastening device for the swing arm and swing shaft on a rapier loom according to claim 1, characterized in that: The connecting assembly includes a toggle plate (509) fixed to the front of the left and right movable plates (507). The top and bottom walls of the inner cavity of the U-shaped frame (505) on the left and right sides are provided with sliding grooves (510). Each sliding groove (510) has a slider (511) slidably connected inside. The opposite side of the upper and lower sliders (511) is fixedly connected to the upper and lower surfaces of the movable plate (507).
3. The fastening device for the swing arm and swing shaft on a rapier loom according to claim 2, characterized in that: The slider (511) moves linearly left and right inside the groove (510).
4. The fastening device for the swing arm and swing shaft on a rapier loom according to claim 1, characterized in that: The connecting mechanism (6) includes three fixing rings (601) that are fixed to the outside of the swing shaft body (3) by bolts. The upper surfaces of the fixing rings (601) on both the left and right sides are fixed with second connecting rods (602). The upper surface of the middle fixing ring (601) is fixedly connected to the bottom end of the first connecting rod (503). The lower surfaces of the swing shaft body (2) are fixed with plug tubes (603) on both the left and right sides. The top ends of the second connecting rods (602) on both the left and right sides are slidably inserted into the plug tubes (603) on both the left and right sides.
5. The fastening device for the swing arm and swing shaft on a rapier loom according to claim 4, characterized in that: The connecting mechanism (6) further includes a first magnet (604) fixed to the top wall of the inner cavity of the left and right plug tubes (603), and a second magnet (605) magnetically attracted to the lower surface of the first magnet (604) on both the left and right sides. The second magnets (605) on both the left and right sides are fixed to the top of the second connecting rods (602) on both the left and right sides.
6. The fastening device for the swing arm and swing shaft on a rapier loom according to claim 4, characterized in that: The three fixing rings (601) are evenly distributed on the outside of the pendulum body (3).
7. The fastening device for the swing arm and swing shaft on a rapier loom according to claim 4, characterized in that: The first connecting rod (503) is the same size as the second connecting rod (602).
8. The fastening device for the swing arm and swing shaft on a rapier loom according to claim 1, characterized in that: The inner diameter of the slot (504) is adapted to the outer diameter of the lever (508).