CN215800191U

CN215800191U - Weft insertion device of rapier loom

Info

Publication number: CN215800191U
Application number: CN202120891081.4U
Authority: CN
Inventors: 徐建江
Original assignee: Zhejiang Nuoyu Textile Co ltd
Current assignee: Zhejiang Nuoyu Textile Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-02-11
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a weft insertion device of a rapier loom, which comprises a rack and a weft insertion plate, wherein a main rapier wheel and a secondary rapier wheel are respectively arranged on two sides of the rack, a motor is arranged on one side of the rack and drives the main rapier wheel to rotate, a driving gear is arranged on the inner side wheel surface of the main rapier wheel, a driven gear is arranged on the inner side wheel surface of the secondary rapier wheel, rotating gears are arranged on two sides of the rack and connected with chain wheels, a transverse through hole is formed in the weft insertion plate, a chain is arranged in the hole and connected with the chain wheels, the rotating gears are meshed with the driving gear, and the rotating gears are meshed with the driven gear. The utility model discloses a weft insertion device of a rapier loom, which adopts a motor to synchronously drive two rapier belt wheels, thereby increasing the stability of the rapier belt and improving the qualification rate of products.

Description

Weft insertion device of rapier loom

Technical Field

The utility model relates to the technical field of rapier looms, in particular to a weft insertion device of a rapier loom.

Background

The rapier loom is the most widely used shuttleless loom at present, and has the characteristics of high speed, high automation degree and high-efficiency production of the shuttleless loom, and besides, the positive weft insertion mode has strong variety adaptability and can adapt to the weft insertion of various yarns, and the rapier loom also has obvious advantages in the aspect of multi-color weft weaving and can produce yarn-dyed products of 16-color weft yarns. With shuttleless looms replacing shuttle looms, rapier looms will become the main production machine for woven fabrics.

At present, various rapier looms are widely applied to the textile industry, so that the weaving efficiency and the fabric quality are greatly improved, and a weft insertion device is an important component of the rapier loom and is mainly used for introducing weft yarns into a shed to form textures required by the fabric.

In the weft insertion device of the existing rapier loom, two rapier belt wheels are generally arranged on the left and right sides of a weft insertion plate, and the rapier belt wheels rotate to drive a rapier belt on the rapier belt wheels to continuously reciprocate so as to complete weaving. However, in the prior art, the rapier belt wheels on the two sides are driven by two different motors, which easily causes instability of the rapier belt during movement, affects the weaving process and affects the qualification rate of products.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a weft insertion device of a rapier loom, which adopts a motor to synchronously drive two rapier belt wheels, and the two rapier belt wheels synchronously move, thereby increasing the stability of the rapier belt and improving the qualification rate of products.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a rapier weaving machine's weft insertion device, includes frame and wefting board, the both sides of frame are equipped with main sword band pulley respectively and follow sword band pulley, one side of frame is equipped with the motor, rotary motion is done to motor drive main sword band pulley, the inboard wheel face of main sword band pulley is equipped with drive gear, the inboard wheel face from sword band pulley is provided with driven gear, both sides all are provided with swing pinion in the frame, swing pinion all is connected with the sprocket, be equipped with horizontal through-hole in the wefting board, be equipped with the chain in the hole, the chain with the sprocket is connected, swing pinion with drive gear meshing, swing pinion with driven gear meshing.

Through the technical scheme, the two sides of the rack are respectively provided with the main rapier belt wheel and the auxiliary rapier belt wheel. The main rapier belt wheel and the auxiliary rapier belt wheel have the same structure, and the rapier belt wheel can drive the rapier belt of the rapier loom to reciprocate. The main rapier wheel drives the auxiliary rapier wheel to synchronously rotate. The two sides of the rack are provided with two rotating gears which are connected with chain wheels, and the rotating gears and the chains transmit force between the main rapier belt wheel and the auxiliary rapier belt wheel to enable the main rapier belt wheel and the auxiliary rapier belt wheel to rotate synchronously. The rotary gears are respectively positioned on two sides of the rack, and are meshed with the driving gear and the driven gear. The motor drives the main rapier belt wheel to rotate, the driving gear on the main rapier belt wheel is meshed with the rotating gear to drive the rotating gear to rotate, and the rotating gear drives the chain wheel to synchronously rotate, so that the slave rapier belt wheel rotates, and the slave rapier belt wheel and the main rapier belt wheel synchronously rotate.

The utility model is further configured to: the rack comprises two fixing frames which are respectively positioned at two ends of the through hole, and the fixing frames are shaped like Jiong.

Through the technical scheme, the two ends of the fixing frame are connected with the rack, a space is formed between the fixing frame and the rack, and the installed parts are arranged in the space.

The utility model is further configured to: the chain wheel is fixedly connected to the chain wheel, one end, close to the driving wheel and the driven wheel, of the rotating shaft extends out of the fixing frame, and the extending portion of the rotating shaft is fixedly connected with the rotating gear.

Through above-mentioned technical scheme, the rotation axis on the mount can rotate, and rotation axis and sprocket, rotatory gear fixed connection have played the effect of transmission power.

The utility model is further configured to: be provided with the safety cover in the mount, the entrance to a cave of through-going hole is connected to the opening part of safety cover, the safety cover both sides are equipped with the hole, the rotation axis passes through the hole.

Through above-mentioned technical scheme, because the rapier weaving machine operation can produce a large amount of dusts, the dust can disturb the transmission effect. The protective cover can prevent dust from entering the protective cover and the through holes of the weft insertion plate, and the dust is prevented from interfering transmission.

The utility model is further configured to: the area that main sword band pulley is inboard the drive gear occupies is half of main sword band pulley inboard area, drive gear is located main sword band pulley inboard is close to one side of sprocket, main sword band pulley inboard is kept away from one side of sprocket is provided with the spoke, follow sword band pulley's structure and main sword band pulley are similar.

Through above-mentioned technical scheme, the pinion that revolves meshes with drive gear, and the spoke has a plurality of, the midpoint position of spoke and the output of connecting the motor, and the motor rotates and drives the spoke and rotate, and the spoke drives main sword band pulley rotation again. The structure of the slave rapier wheel is similar to that of the master rapier wheel, and the slave rapier wheel and the master rapier wheel have the same effect.

The utility model is further configured to: main sword band pulley with divide equally from sword band pulley and do not be provided with ash blocking piece one and ash blocking piece two, ash blocking piece one sets up main sword band pulley is close to one side of sprocket, ash blocking piece two sets up main sword band pulley keeps away from one side of sprocket, follow sword band pulley's structure and main sword band pulley are similar.

Through above-mentioned technical scheme, ash blocking piece one and ash blocking piece two prevent that the dust from getting into main sword band pulley inside, fall on the rotating gear, disturb the transmission of rotating gear and drive gear. The structure of the slave rapier wheel is similar to that of the master rapier wheel.

The utility model is further configured to: the first ash blocking sheet is provided with a circular ring-shaped ring groove, and the ring width of the ring groove is the same as the diameter of the rotating shaft.

Through the technical scheme, the first dust blocking sheet rotates along with the main rapier pulley, so that a circular ring-shaped ring groove is needed, and a space is reserved for the rotating shaft, so that the dust blocking plate is prevented from contacting with the rotating shaft and blocking the rotating shaft from rotating.

Drawings

FIG. 1 is a cross-sectional view taken along line C of FIG. 2 in accordance with the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along direction A of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken along line B of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic structural diagram of the present invention.

The reference numbers in the figures mean: 1. a frame; 2. a weft insertion plate; 3. a primary sword belt wheel; 4. from the rapier band wheel; 5. a motor; 6. a first ash blocking sheet; 7. a second dust blocking sheet; 8. a rotating gear; 9. a sprocket; 10. a chain; 11. a fixed mount; 12. a rotating shaft; 13. a protective cover; 14. spokes.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

The present invention is explained below with reference to fig. 1 to 5.

A weft insertion device of a rapier loom comprises a frame 1 and a weft insertion plate 2. The two sides of the frame 1 are respectively provided with a main rapier wheel 3 and a slave rapier wheel 4. The main rapier band wheel 3 and the slave rapier band wheel 4 are identical in structure, a motor 5 is arranged on one side of the rack 1, and the motor 5 drives the main rapier band wheel 3 to rotate. The main rapier wheel 3 can drive the rapier belt of the rapier loom to reciprocate. The inner side wheel surface of the main rapier wheel 3 is provided with a driving gear, the inner side wheel surface of the slave rapier wheel 4 is provided with a driven gear, and the main rapier wheel 3 drives the slave rapier wheel 4 to synchronously rotate. Both sides all are provided with swing pinion 8 on frame 1, and swing pinion 8 has two, and swing pinion 8 all is connected with sprocket 9, is equipped with horizontal through-hole in the wefting insertion board 2, is equipped with chain 10 in the hole, and chain 10 and sprocket 9 are connected. The rotary gear 8 and the chain 10 transmit the force between the master and

slave rapier wheels

3, 4, so that they rotate synchronously. The rotary gears 8 are respectively arranged at two sides of the frame 1, the rotary gears 8 are meshed with the driving gear, and the rotary gears 8 are meshed with the driven gear. The motor 5 drives the main rapier wheel 3 to rotate, the driving gear on the main rapier wheel 3 is meshed with the rotating gear 8 to drive the rotating gear 8 to rotate, and the rotating gear 8 drives the chain wheel 9 to synchronously rotate, so that the slave rapier wheel 4 rotates, and the slave rapier wheel 4 and the main rapier wheel 3 synchronously rotate, thereby increasing the stability of the rapier belt during operation and improving the qualification rate of products.

The frame 1 comprises two fixing frames 11, the two fixing frames 11 are respectively positioned at two ends of the through hole, and the fixing frames 11 are shaped like Jiong. The two ends of the fixed mount 11 are connected with the frame 1, and a space is formed between the fixed mount 11 and the frame 1, and the space is provided with installed components. The fixed frame 11 is internally connected with a rotating shaft 12 in a rotating way, the rotating shaft 12 is fixedly connected with a chain wheel 9, one end of the rotating shaft 12 close to the driving and driven wheel extends out of the fixed frame 11, and the extending part of the rotating shaft 12 is fixedly connected with a rotating gear 8. The rotating shaft 12 on the fixing frame 11 can rotate, and the rotating shaft 12 is fixedly connected with the chain wheel 9 and the rotating gear 8, so that the function of transmitting power is achieved. A protective cover 13 is arranged in the fixed frame 11, the opening of the protective cover 13 is connected with a hole penetrating through the hole, small holes are formed in two sides of the protective cover 13, and the rotating shaft 12 penetrates through the small holes. Since a large amount of dust is generated during the operation of the rapier loom, the dust interferes with the transmission effect. The protective cover 13 prevents dust from entering the protective cover and the through-going hole of the weft insertion plate 2 and from interfering with the transmission.

The area occupied by the driving gear on the inner side of the main rapier wheel 3 is half of the area of the inner side of the main rapier wheel 3, and the driving gear is positioned on the side, close to the chain wheel 9, on the inner side of the main rapier wheel 3. The rotating gear 8 is meshed with the driving gear, spokes 14 are arranged on one side, away from the chain wheel 9, of the inner side of the main rapier wheel 3, a plurality of spokes 14 are arranged, the middle points of the spokes 14 are connected with the output end of the motor 5, and the structure of the auxiliary rapier wheel 4 is similar to that of the main rapier wheel 3.

The main rapier band wheel 3 and the slave rapier band wheel 4 are respectively provided with a first ash blocking sheet 6 and a second ash blocking sheet 7, the first ash blocking sheet 6 is arranged on one side of the main rapier band wheel 3 close to the chain wheel 9, and the second ash blocking sheet 7 is arranged on one side of the main rapier band wheel 3 far away from the chain wheel 9. The first dust blocking sheet 6 and the second dust blocking sheet 7 prevent dust from entering the main sword belt wheel 3 and falling on the rotating gear 8 to interfere the transmission of the rotating gear 8 and the driving gear. The slave rapier wheel 4 is similar in structure to the master rapier wheel 3. The first ash blocking sheet 6 is provided with a circular ring-shaped ring groove, and the ring width of the ring groove is the same as the diameter of the rotating shaft 12. Since the first dust blocking sheet 6 rotates along with the main rapier pulley 3, an annular ring groove is required to provide a space for the rotating shaft 12 so as not to prevent the dust blocking plate from contacting the rotating shaft 12 and blocking the rotation of the rotating shaft 12.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.

Claims

1. The utility model provides a rapier weaving machine's weft insertion device, includes frame (1) and wefting insertion board (2), its characterized in that: the utility model discloses a rapier weaving machine, including frame (1), motor (5), rotary motion, rotatory gear (8), sprocket (9), horizontal through-hole is equipped with in wefting board (2), be equipped with chain (10) in the hole, chain (10) with sprocket (9) are connected, rotatory gear (8) with drive gear meshing, rotatory gear (8) with driven gear meshing, the both sides of frame (1) are equipped with main rapier wheel band wheel (3) and follow rapier wheel (4) respectively, one side of frame (1) is equipped with motor (5), motor (5) drive rotatory motion is done in main rapier wheel band wheel (3), the inboard wheel face of main rapier wheel band wheel (3) is equipped with drive gear, be provided with driven gear from the inboard wheel face of rapier wheel (4), frame (1) goes up both sides and all is provided with rotary gear (8), rotary gear (8) with driven gear meshing.

2. The weft insertion device of a rapier loom according to claim 1, characterized in that: the rack (1) comprises two fixing frames (11), the two fixing frames (11) are respectively positioned at two ends of the through hole, and the fixing frames (11) are shaped like Jiong.

3. The weft insertion device of a rapier loom according to claim 2, characterized in that: the utility model discloses a chain wheel drive wheel, including mount (11), fixed frame (12), fixed shaft (12), fixed connection on rotation axis (12) sprocket (9), rotation axis (12) are close to the one end of driving follower stretches out mount (11), the partial fixed connection rotary gear (8) that rotation axis (12) stretched out.

4. The weft insertion device of a rapier loom according to claim 2, characterized in that: be provided with safety cover (13) in mount (11), the entrance to a cave of through-penetration hole is connected to the opening part of safety cover (13), safety cover (13) both sides are equipped with the hole, rotation axis (12) pass the hole.

5. The weft insertion device of a rapier loom according to claim 1, characterized in that: the area that the drive gear of main sword belt wheel (3) inboard occupies is the half of main sword belt wheel (3) inboard area, drive gear is located main sword belt wheel (3) inboard is close to one side of sprocket (9), one side that main sword belt wheel (3) inboard was kept away from sprocket (9) is provided with spoke (14), the structure of following sword belt wheel (4) is similar with main sword belt wheel (3).

6. The weft insertion device of a rapier loom according to claim 5, characterized in that: main sword band pulley (3) with divide equally from sword band pulley (4) and do not be provided with ash blocking piece (6) and ash blocking piece two (7), ash blocking piece one (6) set up main sword band pulley (3) are close to one side of sprocket (9), and ash blocking piece two (7) set up main sword band pulley (3) are kept away from one side of sprocket (9), the structure of following sword band pulley (4) is similar with main sword band pulley (3).

7. The weft insertion device of a rapier loom according to claim 6, characterized in that: the ash blocking sheet I (6) is provided with a circular ring-shaped ring groove, and the ring width of the ring groove is the same as the diameter of the rotating shaft (12).