Rapier machine weft accumulator

By designing a rapier machine weft storage device including a guide mechanism, the problem of poor stability of the weft storage device structure is solved, adaptability to multiple angles and stability of the guide mechanism is achieved, and the overall use effect is improved.

CN222666184UActive Publication Date: 2025-03-25ZHEJIANG MINGLONG FABRIC
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Patent Information

Application Number
CN202421480511.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-03-25
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The existing rapier weft storage device is fixed to the support rod by a sliding seat, which easily rotates relative to the support rod, resulting in poor structural stability.

Method used

A weft reservoir including a weft reservoir main body and a guide mechanism is designed. The guide mechanism consists of a mounting plate, a connecting ear plate, an adjustment bolt, a guide wire wheel and an interlaced convex rib. Through the coordination of the adjustment bolt and the guide wire wheel, the weft reservoir adapts to multiple angles and prevents the guide mechanism from loosening through the interlaced convex ribs.

Benefits of technology

The structure of the weft reservoir is small and stable, can adapt to the incoming line at multiple angles, and prevent the guide mechanism from loosening after adjustment, improving the overall use effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rapier loom weft accumulator, which comprises a weft accumulator main body, a guide mechanism is arranged at the rear end of the weft accumulator main body, the guide mechanism comprises a mounting plate, and the mounting plate is parallel to the top of the weft accumulator main body and is fixedly mounted at the rear end of the top of the weft accumulator main body. Two connecting lug plates are downwards arranged on the left side and the right side of the rear end of the mounting plate, a sleeve is arranged between the two connecting lug plates through adjusting bolts, and the sleeve comprises a connecting column and first end plates located at the left end and the right end of the connecting column; a first through hole for a screw of the adjusting bolt to penetrate through is formed in the middle of the connecting column; the yarn inlet guide mechanism of the weft accumulator is fixedly installed at the rear end of the weft accumulator body, the structure is small and exquisite, and the weft accumulator can receive yarn inlet at multiple angles; and through the arrangement of the two groups of staggered convex ribs, the guide mechanism cannot be loosened after being adjusted.
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Description

Technical Field

[0001] The utility model relates to the field of weft storage devices, in particular to a weft storage device for a rapier machine. Background Art

[0002] The weft device is a temporary storage device for the weft yarn unwound from the bobbin before it is introduced into the shed. It is used in rapier and projectile looms. It usually consists of a motor, a yarn storage drum, a yarn winding disk, a yarn storage amount detector, a damping ring, a tensioner, a yarn arrangement mechanism, etc.

[0003] For example, the patent with authorization announcement number CN218262963U discloses a feeding device for a rapier loom, including a frame, a support rod horizontally arranged on the frame for placing a weft storage device, and a first mounting seat arranged on the support rod for mounting the weft storage device. The frame is also provided with a distance adjustment component capable of adjusting the horizontal distance and an angle adjustment component capable of swinging the weft storage device in a vertical direction with the first mounting seat as a base point. The frame is also provided with a placement plate for placing a weft roll and a guide mechanism arranged on the frame for guiding the weft on the weft roll into the weft storage device.

[0004] The above patent can make the outlet of each weft accumulator face the wire hole on the wire plate, thereby reducing the deflection amplitude of the weft thread from the weft accumulator to the wire plate, and the guiding mechanism of the weft accumulator can make the deflection amplitude of the weft thread from the weft thread roll into the weft accumulator smaller, thereby reducing the deflection amplitude of the weft thread during the loading process of the rapier loom; however, the disadvantage of the above patent is that the weft accumulator is fixed on the support rod by a sliding seat, etc., and is easy to rotate relative to the support rod, and the structural stability is generally stable.

[0005] Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0006] The utility model aims to provide a weft storage device for a rapier machine to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A rapier machine weft feeder comprises a weft feeder body, a guide mechanism is arranged at the rear end of the weft feeder body, the guide mechanism comprises a mounting plate, the mounting plate is parallel to the top of the weft feeder body and is fixedly mounted at the top rear end of the weft feeder body, two connecting ear plates are arranged downward on the left and right sides of the rear end of the mounting plate, a sleeve is arranged between the two connecting ear plates via an adjusting bolt, the sleeve comprises a connecting column and a first end plate located at the left and right ends of the connecting column; a first through hole is arranged in the middle of the connecting column for the screw of the adjusting bolt to pass through; the lower end of the first end plate is fixedly connected to the adjusting plate; the connecting column The first wire guide wheel is rotatably connected to it through a first needle bearing; two horizontally arranged second end plates are also provided at the rear end of the adjusting plate, and a fixing bolt is fixedly connected between the two second end plates, and the second wire guide wheel is rotatably connected to the screw rod of the fixing bolt through a second needle bearing; therefore, a plurality of first convex ribs are provided on the inner side of the connecting ear plate, and the first convex ribs are arranged in a circular array with the axis center of the first through hole as the center of the circle; a plurality of second convex ribs are provided on the outer side of the first end plate of the sleeve, and the second convex ribs are arranged in a circular array with the axis center of the connecting column as the center of the circle, and the first convex ribs and the second convex ribs are staggered with each other.

[0009] Furthermore, a first knob is fixedly mounted on the head of the screw of the adjusting bolt, and a nut of the adjusting bolt is also fixed in a second knob; the setting of the knob facilitates the rotation of the adjusting bolt.

[0010] Furthermore, a V-shaped groove is provided on the side walls of the first guide wire wheel and the second guide wire wheel.

[0011] Furthermore, the heights of the first convex rib and the second convex rib are both 2.50 mm.

[0012] Furthermore, the connecting ear plate is made of engineering plastic.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The wire feed guide mechanism of the weft accumulator of the utility model is fixedly installed at the rear end of the weft accumulator body, has a compact structure, and can enable the weft accumulator to accept wire feeds at multiple angles; and through the arrangement of two groups of staggered convex ribs, the guide mechanism will not loosen after adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the rapier machine weft storage device.

[0016] Figure 2 This is a front view of the rapier machine weft feeder.

[0017] Figure 3 It is a side view of the weft feeder of the rapier machine.

[0018] Figure 4 This is a top view of the rapier machine weft feeder.

[0019] Figure 5 The explosion of the guide mechanism in the weft storage device of the rapier machine.

[0020] Figure 6 This is a schematic diagram of the structure of the rapier machine weft feeder after adjustment. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0022] See also Figure 1-5 , a rapier machine weft feeder, comprising a weft feeder body 1,

[0023] The rear end (thread inlet end) of the weft accumulator body 1 is provided with a guide mechanism 2, and the guide mechanism 2 includes a mounting plate 201, and the mounting plate 201 is parallel to the top of the weft accumulator body 1 and fixedly mounted on the top rear end of the weft accumulator body 1, and two connecting ear plates 202 are downwardly arranged on the left and right sides of the rear end of the mounting plate 201, and a sleeve 3 is arranged between the two connecting ear plates 202 through an adjusting bolt 303,

[0024] The sleeve 3 includes a connecting column 301 and first end plates 302 located at the left and right ends of the connecting column 301; a first through hole 304 for the screw of the adjusting bolt 303 to pass through is opened in the middle of the connecting column 301; an adjusting plate 307 is fixedly connected to the lower end of the first end plate 302;

[0025] In this solution, the head of the screw of the adjusting bolt 303 is fixedly installed with a first knob 305, and the nut of the adjusting bolt 303 is also fixed in the second knob 306; the setting of the knob facilitates the rotation of the adjusting bolt; when the angle of the sleeve 3 relative to the mounting plate 201 needs to be adjusted, the housing of the adjusting bolt 303 is loosened to adjust the rotation of the adjusting sleeve 3, and after the adjustment is completed, the adjusting bolt 303 is tightened, and the two connecting ear plates 202 press the first end plate 302 inwardly to fix the angle of the adjusting sleeve 3; the first guide wheel 309 is rotatably connected to the connecting column 301 through the first needle bearing 308;

[0026] The rear end of the adjustment plate 307 is also provided with two horizontally arranged second end plates 310, between which a fixing bolt 311 is fixedly connected, and a second guide wheel 313 is rotatably connected to the screw rod of the fixing bolt 311 through a second needle bearing 312;

[0027] The diameter of the middle part of the side wall of the first guide wire wheel 309 and the second guide wire wheel 313 is smaller than the diameter of the two ends of the side wall, that is, a V-shaped groove 314 is provided on the side wall;

[0028] At the same time, in this solution, in order to ensure that the sleeve 3 will not loosen due to gravity and the pressure of the weft passing through it after adjustment, a plurality of first convex ribs 4 are arranged on the inner side of the connecting ear plate 202, and the first convex ribs 4 are arranged in a circular array with the axis of the first through hole 304 as the center; a plurality of second convex ribs 401 are arranged on the outer side of the first end plate 302 of the sleeve 3, and the second convex ribs 401 are arranged in a circular array with the axis of the connecting column 301 as the center, and the first convex ribs 4 and the second convex ribs 401 are arranged alternately, and after the adjusting bolt 303 is tightened, the first convex ribs 4 are stuck between adjacent second convex ribs 401 to prevent it from rotating;

[0029] The height of the first rib 404 and the second rib 401 are both 2.50 mm;

[0030] In this solution, the connecting ear plate 202 is made of engineering plastics;

[0031] When this solution is used, the inclination angle of the second wire guide wheel 313 installed at the rear end of the adjustment plate 307 can be adjusted by adjusting the angle of the sleeve 3. At this time, the incoming wire that is deflected compared to the X-axis direction can be guided, and the second wire guide wheel 313 with the groove 314 can guide the incoming wire that is deflected compared to the Z direction; so that the weft storage device can accept incoming wires at multiple angles.

[0032] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "connection" and the like should be understood in a broad sense, for example, "connection" 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, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

Claims

1. A rapier machine weft feeder, comprising a weft feeder body, characterized in that: A guide mechanism is provided at the rear end of the weft accumulator body, and the guide mechanism includes a mounting plate, and the mounting plate is parallel to the top of the weft accumulator body and fixedly mounted at the top rear end of the weft accumulator body, and two connecting ear plates are downwardly arranged on the left and right sides of the rear end of the mounting plate, and a sleeve is arranged between the two connecting ear plates through an adjusting bolt, and the sleeve includes a connecting column and a first end plate located at the left and right ends of the connecting column; a first through hole is provided in the middle of the connecting column for the screw of the adjusting bolt to pass through; the lower end of the first end plate is fixedly connected to the adjusting plate; the connecting column is provided with a first roller needle The bearing is rotatably connected to the first guide wire wheel; the rear end of the adjustment plate is also provided with two horizontally arranged second end plates, and a fixing bolt is fixedly connected between the two second end plates, and the screw of the fixing bolt is rotatably connected to the second guide wire wheel through a second needle bearing; therefore, a plurality of first ribs are provided on the inner side of the connecting ear plate, and the first ribs are arranged in a circular array with the axis of the first through hole as the center of the circle; a plurality of second ribs are provided on the outer side of the first end plate of the sleeve, and the second ribs are arranged in a circular array with the axis of the connecting column as the center of the circle, and the first ribs and the second ribs are staggered with each other.

2. The rapier machine weft feeder according to claim 1, characterized in that: The head of the screw of the adjusting bolt is fixedly mounted with a first knob, and the nut of the adjusting bolt is also fixed in the second knob; the setting of the knob facilitates the rotation of the adjusting bolt.

3. The rapier machine weft feeder according to claim 1, characterized in that: A V-shaped groove is arranged on the side walls of the first guide wire wheel and the second guide wire wheel.

4. The rapier machine weft feeder according to claim 1, characterized in that: The heights of the first convex rib and the second convex rib are both 2.50 mm.

5. The rapier machine weft feeder according to claim 1, characterized in that: The connecting ear plate is made of engineering plastics.

Citation Information

Patent Citations

  • Feeding device of rapier loom

    CN218262963U