CN201793873U - Multilayer Weft Threading Device of Ribbon Loom - Google Patents

Abstract

A multilayer weft insertion device of a ribbon loom belongs to the technical field of weft insertion devices of ribbon looms and aims to solve the technical problem of designing the multilayer weft insertion device of the ribbon loom capable of improving production efficiency. The device is arranged on a base of the ribbon loom and comprises a latch needle unit and a weft hook unit. The latch needle unit is arranged on one side of the fixing seat and rotates around the horizontal shaft in a reciprocating mode, the latch needle unit is provided with a plurality of latch needles, and the latch needles are arranged up and down and gradually reduced in length from top to bottom. The weft yarn hook unit is arranged on the other side of the fixed seat and rotates around the vertical shaft in a reciprocating mode, and is provided with a plurality of weft yarn hooks which are arranged up and down and are spaced in sequence in the rotating direction of the rotating arm. Through the design that latch needles are arranged up and down and the length is gradually reduced from top to bottom, the weft yarn hooks are arranged up and down and are designed at intervals in sequence in the rotating direction of the rotating arm, so that the weft yarn hooks can move to the corresponding latch needles to complete weft insertion strokes simultaneously, a multi-layer weft insertion effect is achieved, and further the overall production efficiency is improved.

Description

Multilayer Weft Threading Device of Ribbon Loom

technical field

The utility model relates to a weft threading device of a ribbon loom, in particular to a multilayer weft threading device of a ribbon loom.

Background technique

Ribbon looms mainly weave long ribbons by weaving warp yarns and weft yarns. Due to the limited width of ribbons, in order to improve production efficiency, ribbon looms are generally designed to be completed simultaneously in the left and right (horizontal) directions. Multiple webbing.

Each of the aforementioned ribbons corresponds to a weft threading device respectively, and the weft thread and the warp yarn are interwoven by the weft threading device. However, the weft threading device of the prior art is a single-layer design, that is, each weft threading device can only handle a single layer of webbing , Therefore, how to make the weft threading device can handle the upper and lower multi-layer ribbons at the same time to further improve the production efficiency is a topic that can be further studied.

Utility model content

The technical problem to be solved by the utility model is to design a multi-layer weft threading device of a loom that can improve production efficiency.

The technical solution adopted by the utility model for solving the technical problems is to design a multi-layer weft threading device of a ribbon loom, which is arranged on the base of the ribbon loom and includes:

A fixed seat, which is arranged on the base of the loom and has a multi-layer strap plate;

A latch needle unit, which is arranged on one side of the fixed seat, the latch needle unit has a support seat and a plurality of latch needles, the latch needles are respectively connected to the support seat, the latch needles are arranged up and down and the length is tapered from top to bottom ;

A weft hook unit, which is arranged on the other side of the fixed seat, the weft hook unit has a swing arm, a support rod and a plurality of hook needles, one end of the swing arm is pivotally arranged on the fix seat, and the support rod is fixed on the other side of the swing arm At one end, the hook needles are respectively connected to the support rods, the hook needles are arranged up and down and spaced sequentially in the rotation direction of the swing arm;

A latch needle transmission unit, which is connected to the support seat of the latch needle unit, and drives the support seat of the latch needle unit to reciprocate and rotate around a horizontal axis;

A weft hook transmission unit, which is connected to the swing arm of the weft hook unit, and drives the swing arm of the weft hook unit to reciprocate and rotate around the vertical axis, so that the weft hook moves between the two sides of the fixing seat;

A main shaft, respectively power connected to the latch needle transmission unit and the weft hook transmission unit, when the main shaft synchronously drives the latch needle transmission unit and the weft hook transmission unit, the weft hooks can move to the corresponding latch needles at the same time to complete the weft threading stroke .

The beneficial effect of the utility model is that, through the design that the latch needles are arranged up and down and the length is tapered from top to bottom, combined with the design that the weft hooks are arranged up and down and spaced sequentially in the rotation direction of the swing arm, the The weft hooks can move to the corresponding latch needles at the same time to complete the weft threading stroke, achieving the effect of multi-layer weft threading, thereby improving the overall production efficiency.

Description of drawings

Fig. 1 is a perspective view of a ribbon loom of the present invention.

Fig. 2 is a perspective view of the utility model.

Fig. 3 is a side view of the utility model.

Fig. 4 is another perspective view of the utility model.

Fig. 5 is another side view of the utility model.

Fig. 6 is a side view action diagram of the latch needle unit of the present invention.

Fig. 7 is a bottom view action diagram of the hook unit of the present invention.

Fig. 8 is a bottom view of the utility model, illustrating that each hook needle can move to the corresponding latch needle at the same time.

Explanation of reference signs

100 multi-layer weft threading device 10 fixed seat

11 Over belt plate 20 Latch needle unit

21 Support seat 211 Connection part

212 Clamping part 22 Latch needle

30 Weft hook unit 31 Rotary arm

32 Support rod 33 Weft hook

40 Latch needle drive unit 41 First drive shaft

42 The first arm 43 The first eccentric rod

44 The first connecting rod 50 Hook transmission unit

51 Second transmission shaft 52 Second support arm

53 push rod 54 second eccentric rod

55 Second connecting rod 60 Main shaft

61 Shaft 611 Protrusion

62 connecting plate 70 reeding

80 webbing 81 upper layer

82 lower layer 90 base

Detailed ways

The technical means adopted by the utility model to achieve the intended purpose will be further elaborated below in conjunction with the accompanying drawings and preferred embodiments of the utility model.

Please refer to Fig. 1, Fig. 2, shown in Fig. 3, the multi-layer weft threading device 100 of the ribbon loom of the present invention is arranged on the base 90 of the loom, the multi-layer weft threading device 100 comprises a fixed seat 10, a Latch needle unit 20 , a weft hook unit 30 , a latch needle transmission unit 40 , a weft hook transmission unit 50 , and a main shaft 60 .

The aforementioned fixing base 10 is disposed on the base 90 , and the fixing base 10 has a multi-layer strapping plate 11 .

Please refer to Fig. 2, Fig. 3 and Fig. 6, the aforementioned latch needle unit 20 is arranged on one side of the fixing seat 10, and the latch needle unit 20 has a support seat 21 and a plurality of latch needles 22, and the latch needles 22 are respectively connected to On the support seat 21, the latch needles 22 are arranged up and down and the length is tapered from top to bottom. In this embodiment, the support base 21 has a connecting portion 211 and a plurality of clamping portions 212 , and each clamping portion 212 is fixedly connected to the side of the connecting portion 211 and clamps the corresponding latch needle 22 .

Please refer to Fig. 4, Fig. 5, shown in Fig. 7, aforesaid weft yarn hook unit 30 is arranged on the other side of fixed seat 10, and weft yarn hook unit 30 has a cantilever 31, a support rod 32 and a plurality of weft yarn hooks 33, and One end of the arm 31 is pivotally arranged on the fixed seat 10, and the support rod 32 is fixed on the other end of the swing arm 31. The weft yarn hooks 33 are connected to the support rods 32 respectively, and the weft yarn hooks 33 are arranged up and down and rotate when the swing arm 31 spaced in sequence. In this embodiment, the arm 31 of the weft hook unit 30 is roughly L-shaped.

Please refer to FIG. 1 , FIG. 2 , FIG. 3 , and FIG. 6 , the aforementioned latch needle transmission unit 40 drives the support base 21 of the latch needle unit 20 to reciprocate and rotate around a horizontal axis. In this embodiment, the latch needle transmission unit 40 has a first transmission shaft 41, a first support arm 42, a first connecting rod 44, and a first eccentric rod 43, and the first transmission shaft 41 is pivotally mounted on the base 90 Above, the bottom end of the first arm 42 is affixed to the first transmission shaft 41, the top end of the first support arm 42 is affixed to the support base 21 of the latch needle unit 20, and one end of the first connecting rod 44 is affixed to the first transmission shaft 41 One end of the first eccentric rod 43 is pivotally connected to the other end of the first connecting rod 44 .

Please refer to Fig. 1, Fig. 2, Fig. 4, and Fig. 7, the aforesaid weft yarn hook transmission unit 50 drives the swing arm 31 of the weft yarn hook unit 30 to reciprocate and rotate around the vertical axis, so that the weft yarn hook 33 is fixed on the fixed seat 10. Move between sides. In this embodiment, the weft yarn hook transmission unit 50 has a second transmission shaft 51, a second support arm 52, a push rod 53, a second connecting rod 55, and a second eccentric rod 54, and the second transmission shaft 51 is parallel to On the first transmission shaft 41 and pivoted on the base 90, the bottom end of the second support arm 52 is fixedly connected to the second transmission shaft 51, and the two ends of the push rod 53 are respectively pivotally connected to the top end of the second support arm 52 and the swing arm 31. One end of the second connecting rod 55 is fixedly connected to the second transmission shaft 51 , and one end of the second eccentric rod 54 is pivotally connected to the other end of the second connecting rod 55 .

In addition, the weft hook transmission unit 50 of this embodiment also drives the reed 70 installed at the top of the second arm 52 at the same time.

Please refer to FIG. 2 , FIG. 3 , FIG. 5 , and FIG. 8 , the aforementioned main shaft 60 is power-connected to the latch needle transmission unit 40 and the weft hook transmission unit 50 respectively. In this embodiment, the main shaft 60 has a shaft 61 and a connecting plate 62, one end of the shaft 61 protrudes from a protruding portion 611, the connecting plate 62 is sleeved on the protruding portion 611, the first eccentric of the latch needle transmission unit 40 The rod 43 is eccentrically connected to the connecting plate 62 of the main shaft 60 , and the second eccentric rod 54 of the weft hook transmission unit 50 is also eccentrically connected to the connecting plate 62 of the main shaft 60 .

In this way, when the main shaft 60 rotates, it will synchronously drive the latch needle transmission unit 40 and the weft hook transmission unit 50 . Due to the eccentric design, the main shaft 60 sequentially drives the first eccentric rod 43 and the first connecting rod 44 to drive the first transmission shaft 41 to reciprocate and rotate around the horizontal axis, thereby making the first arm 42 and the latch needle of the latch needle unit 20 22 reciprocating rotation around the horizontal axis. Similarly, due to the eccentric design, the main shaft 60 sequentially drives the second eccentric rod 54 and the second connecting rod 55 to drive the second transmission shaft 51 to reciprocate and rotate around the horizontal axis, thereby causing the second support arm 52 to reciprocate and rotate around the horizontal axis. , so that the displacement of the push rod 53 is linked, and the arm 31 of the weft hook unit 40 is reciprocally rotated around the vertical axis, so that the weft hook 33 moves between the two sides of the fixing seat 10 .

Due to the design that the latch needles 22 are arranged up and down and the length is tapered from top to bottom, and the weft hooks 33 are arranged up and down and spaced sequentially in the rotation direction of the arm 31, when the latch needle unit 20 and the weft hook When the units 30 act synchronously, the weft yarn hook 33 pulls the weft yarn and simultaneously shuttles between the upper layer 81 and the lower layer 82 of the corresponding layer of warp yarn in the upper and lower layers, and simultaneously moves to the corresponding latch needles 22 to place the The weft yarn is hooked to the latch needle 22 to complete the weft threading stroke and weave with the warp yarn. Finally, each webbing 80 completed by weaving relatively passes through the belt plate 11 of the fixing seat 10 to achieve the effect of multi-layer weft threading. The new type can process upper and lower layers of webbing at the same time, thereby improving the overall production efficiency.

It is supplemented that, preferably, the number of latch needles 22 of the latch needle unit 20 is between three and five, and the number of weft hooks 33 of the weft hook unit 30 is equal to the number of latch needles 22 . And most preferably, the quantity of the latch needles 22 of the latch needle unit 20 and the quantity of the weft yarn hooks 33 of the weft yarn hook unit 30 are both three.

To sum up, through the design that the latch needles 22 are arranged up and down and the length is tapered from top to bottom, and the weft hooks 33 are arranged up and down and spaced sequentially in the rotation direction of the swing arm 31, the The weft yarn hooks 33 can move to the corresponding latch needles 22 at the same time to complete the weft threading stroke, achieving the effect of multi-layer weft threading, thereby improving the overall production efficiency.

The above descriptions are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above in the form of preferred embodiments, it is not intended to limit the utility model. Those of ordinary skill in the art, without departing from the scope of the technical solution of the present utility model, may use the technical content disclosed above to make some changes or be modified into equivalent embodiments with equivalent changes, provided that they do not depart from the content of the technical solution of the present utility model Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (8)

1. a kind of multilayer weft threading device of ribbon loom, it is characterized in that, the multilayer weft threading device of described ribbon loom is arranged on the base of ribbon loom and comprises: A fixed seat, which is arranged on the base of the loom, and the fixed seat has a multi-layer belt-passing plate; A latch needle unit, which is arranged on one side of the fixed seat, the latch needle unit has a support seat and a plurality of latch needles, the latch needles are respectively connected to the support seat, the latch needles are arranged up and down and the length is tapered from top to bottom ; A weft yarn hook unit, which is arranged on the other side of the fixed seat, the weft yarn hook unit has a swing arm, a support rod and a plurality of weft yarn hooks, one end of the swing arm is pivotally arranged on the fix seat, and the support rod is fixed on the other side of the swing arm At one end, the weft hooks are respectively connected to the support rods, and the weft hooks are arranged up and down and spaced sequentially in the rotation direction of the arm; A latch needle transmission unit, which is connected to the support seat of the latch needle unit, and drives the support seat of the latch needle unit to reciprocate and rotate around a horizontal axis; A weft yarn hook transmission unit, which is connected to the swing arm of the weft yarn hook unit, and drives the swing arm of the weft yarn hook unit to reciprocate and rotate around the vertical axis, so that the weft yarn hook moves between the two sides of the fixing seat; A main shaft is power-connected to the latch needle transmission unit and the weft hook transmission unit respectively. When the main shaft synchronously drives the latch needle transmission unit and the weft hook transmission unit, the weft hooks move to the corresponding latch needles simultaneously to complete the weft threading stroke. 2. The multi-layer weft threading device of the loom according to claim 1, wherein the latch needle transmission unit has a first transmission shaft and a first arm, and the first transmission shaft is pivotally arranged on the base of the loom. On the seat, the bottom end of the first support arm is fixedly connected to the first transmission shaft, the top end of the first support arm is fixedly connected to the support base of the latch needle unit, and the hook needle transmission unit has a second transmission shaft, a second support arm and a Push rod, the second transmission shaft is parallel to the first transmission shaft and pivotally arranged on the base of the ribbon loom, the bottom end of the second support arm is fixedly connected to the second transmission shaft, and the two ends of the push rod are respectively pivotally connected to the second support arm The top end, the swing arm, and the main shaft are respectively dynamically connected to the first transmission shaft and the second transmission shaft. 3. The multi-layer weft threading device of the loom according to claim 2, wherein the latch needle transmission unit further has a first connecting rod and a first eccentric rod, and one end of the first connecting rod is fixedly connected to the first Transmission shaft, one end of the first eccentric rod is pivotally connected to the other end of the first connecting rod, and the other end of the first eccentric rod is eccentrically connected to the main shaft, the hook transmission unit further has a second connecting rod and a second eccentric rod, the second One end of the two connecting rods is fixedly connected to the second transmission shaft, one end of the second eccentric rod is pivotally connected to the other end of the second connecting rod, and the other end of the second eccentric rod is eccentrically connected to the main shaft. 4. The multi-layer weft threading device of the ribbon loom according to claim 3, wherein the main shaft has a shaft and a connection plate, a protruding portion protrudes from one end of the shaft, and the connection plate is sleeved on the protruding portion , the first eccentric rod is eccentrically connected to the connection plate of the main shaft, and the second eccentric rod is eccentrically connected to the connection plate of the main shaft. 5. according to claim 2 or 3 or 4 described multi-layer weft threading device of loom, it is characterized in that, the cantilever of weft yarn hook unit is L-shaped, and the push rod of weft yarn hook transmission unit is pivotally connected to the curved arm of the weft yarn. fold. 6. The multi-layer weft threading device of a loom according to any one of claims 1 to 4, wherein the support base has a connecting portion and a plurality of clamping portions, and each clamping portion is fixedly connected to the connecting portion respectively. The side of the head and the corresponding latch needle is sandwiched. 7. The multi-layer weft threading device of the loom according to any one of claims 1 to 4, wherein the number of the latch needles of the latch needle unit is between three and five, and the weft yarn of the weft yarn hook unit The number of hooks is equal to the number of latch needles. 8. The multi-layer weft threading device of the ribbon loom according to claim 7, wherein the number of the latch needles of the latch needle unit is three, and the number of the weft hooks of the weft hook unit is equal to the number of the latch needles.

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