CN203451748U - Weft yarn clamping mechanism - Google Patents
Weft yarn clamping mechanism Download PDFInfo
- Publication number
- CN203451748U CN203451748U CN201320513765.6U CN201320513765U CN203451748U CN 203451748 U CN203451748 U CN 203451748U CN 201320513765 U CN201320513765 U CN 201320513765U CN 203451748 U CN203451748 U CN 203451748U
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- China
- Prior art keywords
- swing arm
- yarn clamping
- weft yarn
- cam
- arm
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- Expired - Fee Related
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Abstract
The utility model discloses a weft yarn clamping mechanism and belongs to the field of textile machinery and equipment. The weft yarn clamping mechanism comprises an upper yarn clamping roller, a lower yarn clamping roller and a power transmission assembly for driving the upper yarn clamping roller to move up and down; the power transmission assembly comprises a cam arranged on a power shaft in a sleeving manner, a first swing arm connected with the cam, a second swing arm connected with the upper yarn clamping roller, and a connecting rod connected with the first swing arm and the second swing arm; the lower yarn clamping roller is arranged at one end of a supporting arm by a rotating shaft; the other end of the supporting arm is fixed on a spray nozzle seat; a spray nozzle is arranged on the spray nozzle seat; the spray nozzle is positioned in front of the upper and lower yarn clamping rollers; the spray nozzle seat is fixed on a rack. The weft yarn clamping mechanism has a good weft yarn braking effect and a simple structure, is convenient to install and maintain and has a lower fault rate.
Description
Technical field
The utility model relates to a kind of air-jet loom, relates in particular to the weft yarn clamping device of the uses such as a kind of hospital gauze braiding air-jet loom.
Background technology
Air-jet loom is to adopt jet-stream wind weft traction to pass through the shuttleless loom of shed open, its operation principle is to utilize air as wefting insertion medium, with the compressed air stream ejecting, weft yarn being produced to frictional traction draws, weft yarn band is crossed to shed open, by the jet of jet generation, reach the object of wefting insertion.This filling insertion way can make loom realize high speed high yield.
Air-jet loom of the prior art mainly by frame, transmission and brakes, shedding mechanism, weft insertion device, beating-up mechanism, warp-feeding mechanism, spooler, leon-selvedge mechanism, shear mechanism, catch limit yarn feeding device, centralized oil supply and automatic control system etc. and form.Wherein weft insertion device comprises weft yarn clamping device, indispensable part in weft insertion device during weft yarn clamping device, filling insertion way in air-jet loom is under the effect of main and auxiliary nozzle and special-shaped reed, utilize and discharge the high velocity air that compressed air produces, weft yarn traction is passed through to fell and complete wefting insertion.At present, part weft yarn clamping device comprises clamp cam, cam bawl, cam link, clamping connecting rod, clamp axis, be nested with the clamp springs in clamp axis, clamping body, fixed disk, movable plate, fixed disk is horizontal attitude and is fixed on clamping body, movable plate is positioned at the top of fixed disk, movable plate is connected by the clamp axis that passes clamping body, clamp axis is a vertical axis, by above-mentioned cam mechanism, by clamping connecting rod, driving movable plate to move upward opens movable plate and fixed disk, and reset under the effect of clamp springs, be that movable plate moves downward movable plate and fixed disk are closed.Due to what form between above-mentioned movable plate and fixed disk, it is horizontal clamp port, and the central part at horizontal clamp port has clamping shaft part, in use horizontal clamp port goes out, the upper disk surface that is fixed disk very easily accumulates the foreign material in small, broken bits such as loose thread and chip, must regularly by instrument, clear up, otherwise can affect clamping effect, wefting insertion can not smooth and easyly be carried out, and the existence due to central axle head in horizontal clamp port, not only can affect carrying out of cleaning work, and can bring harmful effect to the clamping range of horizontal clamp port.
For the weak point of avoiding above-mentioned weft yarn clamping device to exist, patent CN102251337A discloses a kind of weft gripper, it comprises fixed disk, movable plate and movable plate actuating unit, described movable plate can make open between movable plate and fixed disk or close by transverse shifting under the effect of its actuating unit, forms longitudinal clamp port between movable plate and fixed disk; Described movable plate actuating unit comprises cam mechanism, cam link and clamper swing arm; Described movable plate is connected with one end of clamper swing arm, clamper swing arm is hinged on swing arm support portion by axle, the other end of clamper swing arm and one end of cam link are hinged, and the other end of cam link is connected with cam mechanism by cam bawl.Movable plate in this patent can make open between movable plate and fixed disk or close by transverse shifting, between movable plate and fixed disk, form longitudinal clamp port, the foreign material such as the loose thread generating in fabric knitting process and chip, can be from the smooth and easy whereabouts of longitudinal clamp port, can not form and accumulate, without cleaning, can improve wefting insertion effect and efficiency.Yet, weft gripper in this patent is applicable to the water jet looms that the shorter and nozzle of required nozzle in the weaving process such as plastic gauze is arranged on weft gripper rear, during for fabrics such as weaving medical gauzes, required nozzle need be arranged on compared with long and nozzle for the air-jet loom in weft yarn clamping device the place ahead, and the weft gripper in this patent can not complete wefting insertion operation effectively.
As can be seen here, prior art awaits further improving.
Utility model content
The utility model is the weak point of avoiding above-mentioned prior art to exist, and the weft yarn clamping device of the uses such as a kind of hospital gauze braiding air-jet loom is provided.
The technical scheme that the utility model adopts is:
Weft yarn clamping device, comprises yarn clipping roller, lower yarn clipping roller and the power driving module that drives described upper yarn clipping roller to move up and down; Described power driving module comprise the cam that is nested with on line shaft, the first swing arm being connected with described cam, with above-mentioned on the second swing arm of being connected of yarn clipping roller and the connecting rod that is connected described the first swing arm and the second swing arm; Described lower yarn clipping roller is arranged on one end of support arm by rotating shaft, the other end of described support arm is fixed on nozzle carrier, on described nozzle carrier, is provided with nozzle, and described nozzle is positioned at the place ahead of above-mentioned upper and lower yarn clipping roller, and described nozzle carrier is fixed in frame.
One end of described the first swing arm is provided with rotor, and the cylindrical of described rotor abuts against on above-mentioned cam, and the other end of described the first swing arm and the bottom of above-mentioned connecting rod are hinged, and described the first swing arm is arranged in the first swing arm gripper shoe by the first mandrel.
One end of described the second swing arm and above-mentioned upper yarn clipping roller are connected, and the other end and above-mentioned connecting rod are hinged, and described the second swing arm is arranged in the second swing arm gripper shoe by the second mandrel.
Described first, second swing arm is transversal swinging arm, and described connecting rod is vertical link.
Described the first mandrel is arranged on one end of close rotor on the first swing arm, and described the second mandrel is arranged on the centre position of the second swing arm.
Described cam is positioned at the below of above-mentioned the first swing arm.
The arm body of described the first swing arm is bending, and the arm body of described the second swing arm is shuttle shape.
Owing to having adopted technique scheme, the obtained beneficial effect of the utility model is:
1, the upper yarn clipping roller in the utility model can move up and down to realize opening or closing between upper and lower yarn clipping roller, between upper and lower yarn clipping roller, form a horizontal clamp port, because lower yarn clipping roller can rotate around the axis, in the process that the foreign material such as the loose thread therefore generating in the fabric knitting processes such as hospital gauze and chip can rotate at lower yarn clipping roller, fall, avoid the accumulation of foreign material and without carrying out labor cleaning, when reducing labour intensity, can improve wefting insertion effect and efficiency.
2, longer for spraying the nozzle of compressed air stream in the utility model, be particularly useful for the weft yarn of the fabrics such as hospital gauze to draw, and the utility model is simple in structure, is convenient to installation and maintenance, failure rate is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein,
1, cam 2, line shaft 3, rotor 4, the first mandrel 5, the first swing arm 6, connecting rod 7, the second swing arm 8, the second mandrel 9, the second swing arm gripper shoe 10, upper yarn clipping roller 11, lower yarn clipping roller 12, support arm 13, nozzle 14, nozzle carrier 15, frame
The specific embodiment
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail, but the utility model is not limited to these embodiment.
As shown in Figure 1, weft yarn clamping device, comprises yarn clipping roller 10, lower yarn clipping roller 11 and the power driving module that drives described upper yarn clipping roller 10 to move up and down; Described lower yarn clipping roller 11 is arranged on one end of support arm 12 by rotating shaft, the other end of described support arm 12 is fixed on nozzle carrier 14, on described nozzle carrier 14, be provided with nozzle 13, described nozzle 13 is positioned at the place ahead of above-mentioned upper and lower yarn clipping roller, and described nozzle carrier 14 is fixed in frame 15; Described power driving module comprise the cam 1 that is nested with on line shaft 2, the first swing arm 5 being connected with described cam 1, with above-mentioned on the second swing arm 7 of being connected of yarn clipping roller 10 and the connecting rod 6 that is connected described the first swing arm 5 and the second swing arm 7; Described cam 1 is positioned at the below of above-mentioned the first swing arm 5, and described first, second swing arm is transversal swinging arm, and described connecting rod 6 is vertical link, and the arm body of described the first swing arm 5 is bending, and the arm body of described the second swing arm 7 is shuttle shape; One end of described the first swing arm 5 is provided with rotor 3, the cylindrical of described rotor 3 abuts against on above-mentioned cam 1, the bottom of the other end of described the first swing arm 5 and above-mentioned connecting rod 6 is hinged, and described the first swing arm 5 is arranged in the first swing arm gripper shoe by the first mandrel 4; One end of described the second swing arm 7 and above-mentioned upper yarn clipping roller 10 are connected, and the other end and above-mentioned connecting rod 6 are hinged, and described the second swing arm 7 is arranged in the second swing arm gripper shoe 9 by the second mandrel 8; Described the first mandrel 4 is arranged on one end of close rotor 3 on the first swing arm 5, and described the second mandrel 8 is arranged on the centre position of the second swing arm 7.
Operation principle of the present utility model is roughly: line shaft 2 rotates near and is with moving cam 1 to rotate under the drive of driving mechanism, when cam 1 turns to large footpath and contacts with rotor 3, the first swing arm 5 is done to swing clockwise around the first mandrel 4, thereby pull connecting rod 6 to move to the left, closely drive the second swing arm 7 to do to swing clockwise around the second mandrel 8, the upper yarn clipping roller 10 that is connected in the second swing arm 7 one sides moves upward under the drive of the second swing arm 7, now go up, between lower yarn clipping roller, form a laterally clamping gap, weft yarn can laterally enter fell in clamping gap by this, when cam 1 turns to path and contacts with rotor 3, the first swing arm 5 is made counter-clockwise swing around the first mandrel, thereby promoting connecting rod 6 moves right, closely drive the second swing arm 7 to make counter-clockwise swing around the second mandrel 8, the upper yarn clipping roller 10 that is connected in the second swing arm 7 one sides moves downward and is pressed on lower yarn clipping roller under the drive of the second swing arm 7, now, weft yarn is clamped and is realized braking by upper and lower yarn clipping roller.
The technology contents of not addressing in aforesaid way is taked or is used for reference prior art and can realize.
The utility model is particularly useful for weaving the air-jet loom of the fabrics such as hospital gauze.
Although more use herein terms such as cam 1, rotor 3, connecting rod 6, the second swing arm 7, upper yarn clipping roller 10, lower yarn clipping roller 11, frame 15, do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Specific embodiment described herein is only to spiritual example explanation of the present utility model.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (7)
1. weft yarn clamping device, comprise yarn clipping roller, lower yarn clipping roller and the power driving module that drives described upper yarn clipping roller to move up and down, it is characterized in that: described power driving module comprise the cam that is nested with on line shaft, the first swing arm being connected with described cam, with above-mentioned on the second swing arm of being connected of yarn clipping roller and the connecting rod that is connected described the first swing arm and the second swing arm; Described lower yarn clipping roller is arranged on one end of support arm by rotating shaft, the other end of described support arm is fixed on nozzle carrier, on described nozzle carrier, is provided with nozzle, and described nozzle is positioned at the place ahead of above-mentioned upper and lower yarn clipping roller, and described nozzle carrier is fixed in frame.
2. weft yarn clamping device according to claim 1, it is characterized in that: one end of described the first swing arm is provided with rotor, the cylindrical of described rotor abuts against on above-mentioned cam, the other end of described the first swing arm and the bottom of above-mentioned connecting rod are hinged, and described the first swing arm is arranged in the first swing arm gripper shoe by the first mandrel.
3. weft yarn clamping device according to claim 2, it is characterized in that: one end of described the second swing arm and above-mentioned upper yarn clipping roller are connected, the other end and above-mentioned connecting rod are hinged, and described the second swing arm is arranged in the second swing arm gripper shoe by the second mandrel.
4. according to the weft yarn clamping device described in claim 2 or 3, it is characterized in that: described first, second swing arm is transversal swinging arm, described connecting rod is vertical link.
5. weft yarn clamping device according to claim 3, is characterized in that: described the first mandrel is arranged on one end of close rotor on the first swing arm, and described the second mandrel is arranged on the centre position of the second swing arm.
6. weft yarn clamping device according to claim 4, is characterized in that: described cam is positioned at the below of above-mentioned the first swing arm.
7. weft yarn clamping device according to claim 5, is characterized in that: the arm body of described the first swing arm is bending, and the arm body of described the second swing arm is shuttle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320513765.6U CN203451748U (en) | 2013-05-09 | 2013-08-22 | Weft yarn clamping mechanism |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320246441 | 2013-05-09 | ||
| CN201320246441.0 | 2013-05-09 | ||
| CN201320513765.6U CN203451748U (en) | 2013-05-09 | 2013-08-22 | Weft yarn clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203451748U true CN203451748U (en) | 2014-02-26 |
Family
ID=50131642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320513765.6U Expired - Fee Related CN203451748U (en) | 2013-05-09 | 2013-08-22 | Weft yarn clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203451748U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264340A (en) * | 2014-10-08 | 2015-01-07 | 青岛天一集团红旗纺织机械有限公司 | Mechanical drafting device of air jet loom |
| CN108312572A (en) * | 2018-01-15 | 2018-07-24 | 武汉理工大学 | A kind of automatic extension yarn cutting system for horizontal fiber winding machine |
| CN112127034A (en) * | 2020-09-15 | 2020-12-25 | 南京宏若二服装有限公司 | Pressure-adjustable yarn gripper for jet loom based on intelligent manufacturing principle |
-
2013
- 2013-08-22 CN CN201320513765.6U patent/CN203451748U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264340A (en) * | 2014-10-08 | 2015-01-07 | 青岛天一集团红旗纺织机械有限公司 | Mechanical drafting device of air jet loom |
| CN104264340B (en) * | 2014-10-08 | 2015-12-02 | 青岛天一集团红旗纺织机械有限公司 | A kind of air-jet loom machinery drafting system |
| CN108312572A (en) * | 2018-01-15 | 2018-07-24 | 武汉理工大学 | A kind of automatic extension yarn cutting system for horizontal fiber winding machine |
| CN108312572B (en) * | 2018-01-15 | 2020-01-31 | 武汉理工大学 | automatic yarn hanging and cutting system for horizontal fiber winding machine |
| CN112127034A (en) * | 2020-09-15 | 2020-12-25 | 南京宏若二服装有限公司 | Pressure-adjustable yarn gripper for jet loom based on intelligent manufacturing principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151022 Address after: Doctor Wang Tai Zhen Gou Cun, Huangdao District 266425 in Shandong city of Qingdao Province Patentee after: QINGDAO KAISHUO MACHINERY TECHNOLOGY CO., LTD. Address before: Doctor Wang Zhen Village 266425 economic and Technological Development Zone of Shandong city in Qingdao Province Patentee before: Qingdao Kshuo Textile Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20190822 |