Rapier drive for a rapier loom

Abstract

The utility model provides a kind of rapier transmission device of rapier loom, including rapier main body, the rapier main body includes main body roller, the transmission component for driving the movement of main body roller, and setting on the adjusting mechanism of main body roller, the adjusting mechanism includes at least two groups of detachable compression components, the main body roller is symmetrically provided with two groups, two groups the connecting plate between the main body roller is provided, the two sides of the connecting plate are symmetrically provided with connecting component, one side of the connecting component is hinged with connecting plate, the other side of the connecting component is hinged with the inside of two groups main body roller, the compression component includes adjusting screw rod, compression part and connecting portion, the connecting portion is symmetrically set on the upper surface both sides of main body roller, the adjusting screw rod is rotatably connected on the top of connecting plate, the compression part is threadedly connected on the outer surface of adjusting screw rod, and the adjusting of tension in the transmission process of main body roller is realized by the adjusting screw rod.

Description

Technical Field

[0001] This utility model relates to the field of rapier loom processing technology, specifically to a rapier loom drive device. Background Technology

[0002] The weft insertion process on a rapier loom involves two rapier heads that reciprocate linearly along the reed width. Starting from opposite sides of the loom, they move to the center of the shed to interlock the weft yarn, then return to their initial positions on either side, completing one weft insertion cycle. The rapier heads are fixed to the rapier belt or rapier shaft, and the teeth on the belt or shaft are driven by meshing with teeth on a transfer wheel. Alternatively, the smooth end of the rapier belt is fixed to the transfer wheel and driven by it. Rapier looms include a rapier drive mechanism.

[0003] The patent application CN221918424U discloses a rapier drive device for a rapier loom, comprising a motor housing, a rapier wheel, a driven shaft, a swing gear disposed outside the motor housing, a driven gear fixedly mounted on the outer surface of the driven shaft and meshing with the swing gear, and a rapier rod disposed on the rapier wheel. This rapier drive device for the rapier loom improves the cleaning of the rapier wheel by adjusting the distance between the two cleaning wheels through an adjustable structure, thus avoiding the residue of stubborn stains. It achieves advantages such as high practicality and good cleaning effect, solving the problem of limited contact force between the cleaning wheel and the rapier wheel, which prevents the cleaning wheel from effectively cleaning once stubborn stains remain on the rapier wheel.

[0004] However, the above-mentioned device still has the following problems during implementation: Rapier looms are currently one of the most widely used types of looms. Their rapier drive is a core component responsible for guiding the weft yarn into the weft hole. Traditional rapier drive systems are prone to problems such as unstable transmission tension and rapier position misalignment after long-term use. Furthermore, the adjustment process is cumbersome, and the components are difficult to disassemble and maintain, affecting weaving efficiency and fabric quality. Therefore, there is an urgent need for a rapier drive system that is easy to adjust, structurally stable, and easy to maintain. Utility Model Content

[0005] The purpose of this invention is to provide a rapier drive device for a rapier loom to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A rapier drive device for a rapier loom includes a rapier body, the rapier body including a main roller, a transmission assembly for driving the main roller, and an adjustment mechanism disposed on the main roller. The adjustment mechanism includes at least two sets of detachable clamping assemblies. Two sets of the main roller are symmetrically arranged, and a connecting plate is disposed between the two sets of the main roller. Connecting assemblies are symmetrically arranged on both sides of the connecting plate. One side of the connecting assembly is hinged to the connecting plate, and the other side of the connecting assembly is hinged to the inner side of the two sets of main rollers. The clamping assembly includes an adjusting screw, a clamping component, and a connecting part. The connecting part is symmetrically arranged on both sides of the upper surface of the main roller shaft. The adjusting screw is rotatably connected to the top of the connecting plate. The clamping component is threaded onto the outer surface of the adjusting screw, and the tension of the main roller shaft during transmission is adjusted through the adjusting screw.

[0007] Preferably, the transmission assembly includes two sets of outer frames and a transmission shaft connected to the main roller shaft. The transmission shaft is provided with a transmission gear set for transmitting power to several main roller shafts to realize the reciprocating motion of the rapier. The outer frame is provided with an assembly slot that matches the transmission shaft. One side of the connecting assembly is hinged to the inner side of the outer frame.

[0008] Preferably, the clamping component includes a set of support rods and two sets of sleeve plates. The two sets of sleeve plates are symmetrically arranged on both sides of the support rods. The sleeve plates are provided with threaded holes. The threaded holes are sleeved on the outer surface of the adjusting screw. The top end of the adjusting screw is provided with a limit plate. One side of the connecting part is hinged to both sides of the sleeve plates. The upper surface of the connecting plate is provided with a connecting hole, and a rotating bearing is provided at the connection between the inner bottom of the connecting hole and the bottom end of the adjusting screw. The bottom end of the adjusting screw is rotatably connected to the rotating bearing, and the inner wall of the connecting hole is provided with a threaded groove that matches the outer surface of the adjusting screw.

[0009] Preferably, the connecting part includes a bracket and a connecting telescopic rod. The bracket is symmetrically arranged on both sides of the upper surface of the main roller. One end of the connecting telescopic rod is hinged to the inner side of the bracket, and the other end of the connecting telescopic rod is hinged to both sides of the sleeve plate.

[0010] Preferably, the connecting assembly includes a mounting groove and two sets of support arms. The mounting groove is symmetrically opened on both sides of the connecting plate. One set of support arms is hinged inside the mounting groove, and the other set of support arms is hinged to the inner side of the main roller.

[0011] Preferably, the two sets of support arms adopt an M-shaped hinged support design, and the middle of each set of support arms is linked through a hinge point. When the adjusting screw drives the connecting part to rise or fall, the support arm can simultaneously extend or retract, thereby realizing the adjustment of the distance between the main body of the sword.

[0012] Compared with existing technologies, the beneficial effects of this utility model are: 1. The transmission shaft and transmission gear set are installed through the set transmission components. The two ends of the transmission shaft are connected to the two rapier bodies respectively, and the transmission gear set is connected to the power output end of the loom, so that the power is transmitted to the transmission shaft, causing the rapier body to perform reciprocating linear motion; 2. The tension of the sword rod transmission can be quickly adjusted by adjusting the adjusting screw of the adjusting mechanism. The adjusting screw passes through the clamping part and is threadedly connected to the connecting part. By turning the adjusting screw, the clamping degree of the clamping part on the sword rod body can be adjusted, thereby adjusting the tension of the sword rod transmission. 3. The connecting component is located between the two sets of sword shaft bodies and works in conjunction with the adjustment mechanism. When the adjusting screw drives the connecting component to rise or fall, it provides stable extension support for the sword shaft bodies to move closer to or further away from each other, ensuring the synchronicity of the sword shaft transmission and the structural stability. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main view structure of this utility model; Figure 2 This is a schematic diagram of the main structure of the sword shaft after adjustment. Figure 3 This is a bottom view of the transmission component of this utility model. Figure 4 This is an exploded structural diagram of the clamping assembly in this utility model.

[0014] In the diagram: 1. Main roller shaft; 2. Transmission assembly; 201. Outer frame; 202. Transmission shaft; 203. Transmission gear set; 3. Assembly slot; 4. Pressing assembly; 401. Adjusting screw; 402. Pressing part; 403. Connecting part; 5. Connecting plate; 501. Connecting hole; 6. Connecting assembly; 601. Mounting slot; 602. Support arm; 7. Support rod; 8. Sleeve plate; 801. Threaded hole; 9. Limiting plate; 10. Bracket; 11. Connecting telescopic rod. Detailed Implementation

[0015] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0016] Please see Figure 1-4 This utility model provides a technical solution: Example 1: A rapier drive device for a rapier loom includes a rapier body, the rapier body including a main roller 1, a transmission component 2 for driving the main roller 1 to move, and an adjustment mechanism disposed on the main roller 1. The adjustment mechanism includes at least two sets of detachable clamping components 4. Two sets are symmetrically arranged on the main roller 1. A connecting plate 5 is disposed between the two sets of main roller 1. Connecting components 6 are symmetrically arranged on both sides of the connecting plate 5. One side of the connecting component 6 is hinged to the connecting plate 5, and the other side of the connecting component 6 is hinged to the inner side of the two sets of main roller 1. The clamping assembly 4 includes an adjusting screw 401, a clamping member 402, and a connecting part 403. The connecting part 403 is symmetrically arranged on both sides of the upper surface of the main roller shaft 1. The adjusting screw 401 is rotatably connected to the top of the connecting plate 5. The clamping member 402 is threaded onto the outer surface of the adjusting screw 401, and the tension of the main roller shaft 1 during transmission is adjusted by adjusting the adjusting screw 401.

[0017] The transmission assembly 2 includes two sets of outer frames 201 and a transmission shaft 202 connected to the main roller 1. The transmission shaft 202 is provided with a transmission gear set 203 for transmitting power to several main rollers 1 to realize the reciprocating motion of the rapier. The outer frame 201 is provided with an assembly slot 3 that matches the transmission shaft 202. One side of the connecting assembly 6 is hinged to the inner side of the outer frame 201.

[0018] The clamping component 402 includes a set of support rods 7 and two sets of sleeve plates 8. The two sets of sleeve plates 8 are symmetrically arranged on both sides of the support rods 7. The sleeve plates 8 are provided with threaded holes 801. The threaded holes 801 are sleeved on the outer surface of the adjusting screw 401. The top end of the adjusting screw 401 is provided with a limit plate 9. One side of the connecting part 403 is hinged to both sides of the sleeve plates 8. A connecting hole 501 is provided on the upper surface of the connecting plate 5. A rotating bearing is provided at the connection between the inner bottom of the connecting hole 501 and the bottom end of the adjusting screw 401. The bottom end of the adjusting screw 401 is rotatably connected to the rotating bearing. A threaded groove matching the outer surface of the adjusting screw 401 is provided on the inner wall of the connecting hole 501.

[0019] The connecting part 403 includes a bracket 10 and a connecting telescopic rod 11. The bracket 10 is symmetrically arranged on both sides of the upper surface of the main roller 1. One end of the connecting telescopic rod 11 is hinged to the inner side of the bracket 10, and the other end of the connecting telescopic rod 11 is hinged to both sides of the sleeve plate 8.

[0020] Example 2: Based on Embodiment 1, this embodiment details the connecting component 6 in Embodiment 1. The connecting component 6 includes a mounting groove 601 and two sets of support arms 602. The mounting groove 601 is symmetrically opened on both sides of the connecting plate 5. One set of support arms 602 is hinged inside the mounting groove 601, and the other set of support arms 602 is hinged to the inner side of the main roller 1.

[0021] The two sets of support arms 602 adopt an M-shaped hinged support design. Each set of support arms 602 is linked by a hinge point in the middle. When the adjusting screw 401 drives the connecting part 403 to rise or fall, the support arms 602 can extend or retract synchronously to realize the adjustment of the distance between the main body of the sword.

[0022] Working principle: The power of the loom is transmitted to the transmission shaft 202 through the transmission gear set 203 in the transmission component 2. The transmission shaft 202 drives the main roller 1 to perform reciprocating linear motion, thereby completing the action of introducing and withdrawing the weft yarn from the weft inlet (in the double rapier structure, the two sets of rapiers are synchronously driven and work together to realize the weft introduction process). Tightening the adjusting screw 401 of the adjusting mechanism can drive the pressing part 402 to move up and down, changing its pressing degree on the main roller 1, and thus adjusting the tension during rapier transmission. When the adjusting screw 401 of the adjusting mechanism drives the connecting part 403 to rise, the connecting part 403 pulls the hinge end of the linked support arm 602 to move upward, and the support arm 602 is in an "expanded" state, pushing the two sets of rapier bodies away from each other, increasing the distance between the rapiers; when the adjusting screw 401 drives the connecting part 403 to press down, the support arm is in a "contracted" state, pulling the two sets of rapier bodies together, reducing the distance between the rapiers. Throughout the adjustment process, multiple sets of M-shaped support arms 602 are linked together to provide uniform support and guidance for the displacement of the sword shaft body, preventing the sword shaft from tilting or jamming due to uneven force, and ensuring the stability of the sword shaft transmission after adjustment.

[0023] It should be noted that the main roller 1, the transmission shaft 202 and the transmission gear set 203 are existing devices or equipment, or devices or equipment that can be implemented by existing technology. Their power supply, specific composition and principle are clear to those skilled in the art, so they will not be described in detail.

[0024] Although embodiments of the present utility 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 utility, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rapier drive device for a rapier loom, comprising a rapier body, characterized in that: The main body of the rapier includes a main roller shaft (1), a transmission assembly (2) for driving the main roller shaft (1) to move, and an adjustment mechanism disposed on the main roller shaft (1). The adjustment mechanism includes at least two sets of detachable clamping assemblies (4). The main roller shaft (1) is symmetrically arranged with two sets of assemblies. A connecting plate (5) is disposed between the two sets of main roller shafts (1). Connecting assemblies (6) are symmetrically arranged on both sides of the connecting plate (5). One side of the connecting assembly (6) is hinged to the connecting plate (5), and the other side of the connecting assembly (6) is hinged to the inner side of the two sets of main roller shafts (1). The clamping assembly (4) includes an adjusting screw (401), a clamping member (402), and a connecting part (403). The connecting part (403) is symmetrically arranged on both sides of the upper surface of the main roller shaft (1). The adjusting screw (401) is rotatably connected to the top of the connecting plate (5). The clamping member (402) is threaded onto the outer surface of the adjusting screw (401). The tension of the main roller shaft (1) is adjusted during transmission through the adjusting screw (401).

2. The rapier drive device for a rapier loom according to claim 1, characterized in that: The transmission assembly (2) includes two sets of outer frames (201) and a transmission shaft (202) connected to the main roller (1). The transmission shaft (202) is provided with a transmission gear set (203) for transmitting power to several main rollers (1) to realize the reciprocating motion of the rapier. The outer frame (201) is provided with an assembly slot (3) that matches the transmission shaft (202). One side of the connecting assembly (6) is hinged to the inner side of the outer frame (201).

3. The rapier drive device for a rapier loom according to claim 1, characterized in that: The clamping component (402) includes a set of support rods (7) and two sets of sleeve plates (8). The two sets of sleeve plates (8) are symmetrically arranged on both sides of the support rods (7). The sleeve plates (8) are provided with threaded holes (801). The threaded holes (801) are sleeved on the outer surface of the adjusting screw (401). The top end of the adjusting screw (401) is provided with a limit plate (9). One side of the connecting part (403) is hinged to both sides of the sleeve plates (8). The upper surface of the connecting plate (5) is provided with a connecting hole (501). A rotating bearing is provided at the connection between the inner bottom of the connecting hole (501) and the bottom end of the adjusting screw (401). The bottom end of the adjusting screw (401) is rotatably connected to the rotating bearing. The inner wall of the connecting hole (501) is provided with a threaded groove that matches the outer surface of the adjusting screw (401).

4. The rapier drive device for a rapier loom according to claim 3, characterized in that: The connecting part (403) includes a bracket (10) and a connecting telescopic rod (11). The bracket (10) is symmetrically arranged on both sides of the upper surface of the main roller (1). One end of the connecting telescopic rod (11) is hinged to the inner side of the bracket (10), and the other end of the connecting telescopic rod (11) is hinged to both sides of the sleeve plate (8).

5. The rapier drive device for a rapier loom according to claim 1, characterized in that: The connecting assembly (6) includes a mounting groove (601) and two sets of support arms (602). The mounting groove (601) is symmetrically opened on both sides of the connecting plate (5). One set of the support arms (602) is hinged inside the mounting groove (601), and the other set of the support arms (602) is hinged to the inner side of the main roller (1).

6. The rapier drive device for a rapier loom according to claim 5, characterized in that: The two sets of support arms (602) adopt an M-shaped hinged support design. Each set of support arms (602) is linked by a hinge point. When the adjusting screw (401) drives the connecting part (403) to rise or fall, the support arm (602) can simultaneously extend or retract to realize the adjustment of the distance between the main body of the sword.

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