A gripper mechanism for a rapier loom

Abstract

The present application relates to the technical field of textile machinery, especially to a rapiers loom false weft mechanism, which has a driving device, a linear slide rail and a false weft hook assembly, the linear slide rail is fixed on the support through the slide rail seat, the linear slide rail is provided with a front baffle and a rear baffle, the false weft hook assembly includes a bottom plate, the bottom plate is provided with a false weft hook, a striker and a swing block, the bottom plate can move back and forth along the linear slide rail under the driving of the driving device, and the false weft hook is coaxially connected with the swing block. The mechanism of the false weft hook driven by the cylinder moves on the linear slide rail, the false weft hook is lifted instantly by the front baffle against the striker and hooks the false weft, then the cylinder drives the false weft hook to move outward to the cloth surface, after a certain distance, the false weft hook is released by the rear baffle against the striker, and the false weft work is completed, the whole process can automatically carry out the false weft work, and the false weft work will not cause the knot of the pile warp, so that the defects on the finished cloth are effectively reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of textile machinery, in particular to a shedding mechanism of a rapier loom. BACKGROUND

[0002] With the continuous expansion of the textile industry and the continuous innovation of mechanical technology, the textile fabric has gradually begun to shift its focus from two-dimensional planar structure to three-dimensional structure, and thus many three-dimensional fabric structures have been produced, such as flat-woven space fabric, warp-knitted space fabric, etc. Although these fabrics have different names, they are essentially the same layer of yarn connecting two two-dimensional fabric surfaces to form a three-dimensional structure. During the production and processing, the height of the three-dimensional structure can be adjusted according to different application requirements, so the height adjustment plays an important role.

[0003] Among them, the flat-woven space fabric is limited by the opening size of the machine and the height of the fixed height piece, and cannot complete the production of a large height in the early stage. Therefore, the false weft design is produced, that is, the fixed height piece of the false weft structure supports the crossed upper and lower pile warp yarns and the removable weft yarns. During weaving, the upper ground warp yarns and weft yarns form an upper layer of gray cloth, the lower ground warp yarns and weft yarns form a lower layer of gray cloth, and the upper and lower pile warp yarns and weft yarns form an interval layer of gray cloth, which are connected by the upper and lower ground warp yarns to form a three-dimensional fabric with an upper layer, an interval layer and a lower layer. After weaving is completed, the removable weft yarns are removed, and finally a super-thickness three-dimensional fabric is formed. However, because the false weft plays an important auxiliary role in the height of the space fabric and participates in the entire weaving process, it is necessary to remove these false wefts from the finished product after weaving is completed, so as not to affect the use of the final product. The traditional false weft removal relies on manual operation of the weft removal device, which not only consumes production cost but also wastes time and effort, resulting in low production efficiency. Moreover, false weft removal can cause pile warp knotting, resulting in defects in the finished fabric. SUMMARY

[0004] In view of the above problems, the purpose of the present application is to provide a rapier loom false weft removal mechanism which can realize automatic false weft removal and will not cause pile warp knotting during false weft removal, and the finished fabric has no defects.

[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: a rapier loom false weft removal mechanism has a driving device linear slide rail and a false weft hook assembly. The linear slide rail is fixed on the support through the slide rail seat fixing seat. The linear slide rail is provided with a front stop piece and a rear stop piece. The false weft hook assembly includes a bottom plate. The bottom plate is provided with a false weft hook, a striking rod and a swing block. The bottom plate can move back and forth along the linear slide rail under the driving of the driving device. The false weft hook is coaxially connected with the swing block.

[0006] In the technical scheme, the driving device is a cylinder, and the bottom plate is fixedly connected to an output shaft of the cylinder.

[0007] In the technical scheme, the front baffle and the rear baffle are both L-shaped plates, and each includes a fixed portion fixedly connected to the slide rail seat and a blocking portion used for blocking the impact rod.

[0008] In the technical scheme, the bottom plate is provided with a first impact rod slot and a swing block slot, the impact rod is arranged in the first impact rod slot, the swing block is arranged in the swing block slot, the first impact rod slot and the swing block slot are communicated, and the first impact rod slot is provided with an impact rod limiting hole.

[0009] In the technical scheme, the bottom plate is provided with a cover plate, and the cover plate is provided with a second impact rod slot communicated with the first impact rod slot.

[0010] In the technical scheme, the false weft hook is connected with the swing block through a connecting shaft, and the connecting shaft passes through a connecting shaft hole in the cover plate.

[0011] In the technical scheme, the impact rod is provided with a guide block, the guide block is arranged in the first impact rod slot and the second impact rod slot, and the impact rod is arranged in the impact rod limiting hole.

[0012] In the technical scheme, the end portion of the false weft hook is curved upward and in an arc shape.

[0013] In the technical scheme, the cover plate is provided with a limiting guide plate, the limiting guide plate is located at the lower portion of the false weft hook, and a guide slope is arranged close to the end portion of the false weft hook.

[0014] In summary, compared with the traditional technical means, the technical scheme of the present application has the beneficial effects that: the false weft hook is moved on the linear slide rail by the cylinder, the false weft hook is lifted instantaneously by the front baffle against the impact rod and hooks the false weft, then the cylinder drives the false weft hook to move outward to a certain distance, the false weft hook is released by the rear baffle against the impact rod, the false weft is completed, the whole process can be automatically carried out, and the false weft will not cause the pile warp to be knotted, and the defects on the finished cloth are effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] The foregoing and other objects, features and advantages of the present application will become apparent to those skilled in the art from the following detailed description, which taken in conjunction with the accompanying drawings.

[0016] Figure 1 is a use state stereographic structure schematic view of the present application;

[0017] Figure 2 is a stereographic structure schematic view of the present application;

[0018] Figure 3 is a perspective view of the false weft hook assembly in the present application;

[0019] Figure 4 is an exploded view of Figure 3 ;

[0020] Figure 5 is a perspective view of the price hook assembly without the cover plate in the present application;

[0021] The reference signs are as follows: 100, driving device; 200, linear slide rail; 210, slide rail seat; 220, front baffle; 230, rear baffle; 300, false weft hook assembly; 310, bottom plate; 311, first impact rod slot; 312, swing block slot; 313, impact rod limiting hole; 320, false weft hook; 330, impact rod; 331, guide block; 340, swing block; 350, cover plate; 351, second impact rod slot; 352, connecting shaft hole; 360, limiting guide plate; 361, guide slope; 400, support; 500, rapier loom. DETAILED DESCRIPTION

[0022] The following is based on the ideal embodiment of the present application, through the following description, the relevant staff can fully change and modify in the range without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and must be determined by the scope of claims.

[0023] The present application is further illustrated with reference to the following drawings:

[0024] As Figures 1 to 5 shown, a false weft drawing mechanism of a rapier loom has a driving device 100, a linear slide rail 200 and a false weft hook assembly 300. The linear slide rail 200 is fixedly seated on a support 400 through a slide rail seat 210. The linear slide rail 200 is provided with a front baffle 220 and a rear baffle 230. The false weft hook assembly 300 includes a bottom plate 310. The bottom plate 310 is provided with a false weft hook 320, an impact rod 330 and a swing block 340. The bottom plate 310 can move back and forth along the linear slide rail 200 under the driving of the driving device 100. The false weft hook 320 is coaxially connected with the swing block 340.

[0025] As Figure 2 shown, the driving device 100 is a pneumatic cylinder. The bottom plate 310 is fixedly connected to the output shaft of the pneumatic cylinder.

[0026] The front baffle 220 and the rear baffle 230 are both L-shaped plates, which include a fixed part fixedly connected to the slide rail seat 210 and a blocking part for blocking the impact rod 330.

[0027] The bottom plate 310 is provided with a first impact rod slot 311 and a swing block slot 312, the impact rod 330 is arranged in the first impact rod slot 311, the swing block 340 is arranged in the swing block slot 312, the first impact rod slot 311 and the swing block slot 312 are communicated, and the first impact rod slot 311 is provided with an impact rod limiting hole 313.

[0028] The bottom plate 310 is provided with a cover plate 350, and the cover plate 350 is provided with a second impact rod slot 351 communicated with the first impact rod slot 311.

[0029] The false weft hook 320 is connected with the swing block 340 through a connecting shaft, and the connecting shaft penetrates a connecting shaft hole 352 in the cover plate 350.

[0030] The impact rod 330 is provided with a guide block 331 arranged in the first impact rod slot 311 and the second impact rod slot 351, and the impact rod 330 is arranged in the impact rod limiting hole 313.

[0031] The end of the false weft hook 320 is curved upwards and in an arc shape.

[0032] The cover plate 350 is provided with a limiting guide plate 360 located at the lower part of the false weft hook 320, and a guide slope 361 is arranged close to the end of the false weft hook 320.

[0033] When the false weft hook assembly 300 moves to the front end, the false weft hook 320 extends into the cloth surface, and the impact rod 330 hits the front baffle 220, at this time, the impact rod 330 drives the swing block 340 to rotate, the end of the false weft hook 320 connected with the swing block 340 is lifted to hook the false weft.

[0034] At this time, the driving device 100 is extended to drive the false weft hook assembly 300 and the hooked false weft to move backward, when the false weft hook assembly 300 moves to the rear end, the impact rod 330 hits the rear baffle 230, at this time, the impact rod 330 drives the swing block 340 to rotate, and the false weft hook 320 falls to release the false weft, and a working cycle is completed.

[0035] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and the present application can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A gripper shedding mechanism for a gripper weaving machine, characterized in that: The utility model provides a driving device (100), linear slide rail (200) and false weft hook assembly (300), linear slide rail (200) is fixed seat through slide rail seat (210) on support (400), linear slide rail (200) is equipped with front baffle (220) and rear baffle (230); False weft hook assembly (300) includes bottom plate (310), bottom plate (310) is equipped with false weft hook (320), knock rod (330) and swing block (340), bottom plate (310) can be driven along linear slide rail (200) reciprocating movement under the drive of driving device (100), and false weft hook (320) is coaxial connection with swing block (340); Front baffle (220) and rear baffle (230) are L-shaped board, including fixedly connected on slide rail seat (210) fixed part and the blocking part for blocking knock rod (330); Bottom plate (310) is equipped with first knock rod groove (311) and swing block groove (312), knock rod (330) is arranged in first knock rod groove (311), and swing block (340) is arranged in swing block groove (312);First knock rod groove (311) and swing block groove (312) are communicated, and knock rod limiting hole (313) is arranged in first knock rod groove (311); Bottom plate (310) is equipped with cover plate (350), and cover plate (350) is equipped with second knock rod groove (351) with first knock rod groove (311) is communicated; False weft hook (320) is connected with swing block (340) through connecting shaft, and connecting shaft passes through connecting shaft hole (352) on cover plate (350); Knock rod (330) is equipped with guide block (331), and guide block (331) is arranged in first knock rod groove (311) and second knock rod groove (351), and knock rod (330) is mounted in knock rod limiting hole (313).

2. The rapier loom false weft withdrawal mechanism according to claim 1, characterized in that: Driving device (100) is air cylinder, and bottom plate (310) is fixedly connected on the output shaft of air cylinder.

3. The rapier loom false weft withdrawal mechanism according to claim 1, characterized in that: Cover plate (350) is equipped with limiting guide plate (360), and limiting guide plate (360) is located at the lower part of false weft hook (320), and the end portion of false weft hook (320) is equipped with guide slope (361) close to.

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