CN2225482Y

CN2225482Y - Magnetic-control welf-inserting device for loom

Info

Publication number: CN2225482Y
Application number: CN 95216728
Authority: CN
Inventors: 俞晓东; 丁建强
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-07-07
Filing date: 1995-07-07
Publication date: 1996-04-24
Anticipated expiration: 2005-07-07

Abstract

The utility model relates to a magnetic-control welf-inserting device for loom, which comprises an upper shuttle, a shuttle guiding spin tunnel, a shuttle guide body and a closing cable device. The utility model is characterized in that the outer end of a tooth-shaped shuttle guiding surface of the shuttle guiding spin tunnel is extended and equipped with a shuttle guiding arc chord angle. A weft clamping hook of the upper shuttle is movably connected with a basal body of the upper shuttle. This device can make the warp yarn of the shuttle guiding surface being glided down propitiously and efficiently prevent that the warp yarn is laid on the shuttle guiding surface to be rushed off, cut hair or cut off. The stability of the weft feeding is improved, and the service life of the upper shuttle is prolonged. The quality and efficiency of the weave is improved. The utility model can be used for the production of a new shuttleless loom, also the reconstruction of various traditional shuttle looms.

Description

The magnetic controlled loom weft insertion device

The utility model is a kind of weft insertion device that is used for magnetic controlled loom.

Present known magnetic controlled loom is to utilize the shuttle device of leading with magnetic to drive shuttle by the loom block, realizes going up the picking movement of shuttle along with the block reciprocally swinging, not only increased the load of beating-up, and weft insertion device very easily breaks down, and is difficult for maintenance, influences braid efficiency.

Chinese patent 90200186.8 discloses a kind of portable and smart weft insertion device, the magnetic shuttle body that this device utilizes moving back and forth of closed rope to drive and is fixed thereon moves back and forth below loom block end face, thereby the last shuttle that drives on the block end face carries out reciprocating action, makes picking movement lighter and handier.But because in the toothed track of this device, the guide function with lead the shuttle function and combine, so lead on the shuttle face circular arc by on after shuttle weares and teares, lead on the shuttle face and produce corner angle.Therefore open and close a mouthful motion when loom, when the footpath yarn above leading the shuttle face moves downward, can be led shuttle face corner angle and put and hold.Put and be held in the warp thread of leading the shuttle face, the last shuttle in wherein a part of passive movement thrusts, and remainder continues to glide under the impact of last shuttle, and is cut hair, incised wound by the fast mouth in the corner angle easily in the downslide process, even cuts off.Cut hair, incised wound part becomes fault on cloth cover, cut off to produce disconnected footpath and shut down, and influences weaving quality and braid efficiency.Last shuttle in this weft insertion device in addition, the pincers yarn mouth gap that its folder latitude colluded and pressed from both sides the latitude moving plate are that the eccentric Xiao Zi by geometrical clamp latitude moving plate adjusts.In use, eccentric Xiao Zi is subject to press from both sides influence that the latitude moving plate rotates and produces looseningly, and pine when tight when making folder latitude power is caused folder latitude instability and staplings is shut down.And it is that to be with the plastics bakelite that material forms with the die casting of last shuttle matrix as a whole that the folder latitude colludes, and the folder latitude colludes and very easily weares and teares and fall damage, influences service life, colludes damage in case press from both sides latitude, whole last shuttle is scrapped.The folder latitude that the plastics bakelite is cast colludes and the weft yarn that is pressed from both sides is skidded off collude outer and staplings.

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of new magnetic controlled loom weft insertion device is provided, this device is provided with the warp thread Yarn guide mechanism and has good stable, adaptive folder latitude mechanism, to increase the service life, improves weaving quality and efficient.

The utility model is realized by following design: by on shuttle, lead in the magnetic controlled loom weft insertion device that shuttle track, shuttle body and closed rope mechanism constitute, the toothed track of leading in the shuttle track is led the outer end extension of shuttle face, and the guide arc chord angle is set thereon, the folder latitude of last shuttle colludes with last shuttle matrix and flexibly connects.Owing to slide into tooth root portion down smoothly from leading shuttle face top, avoided warp thread to be thrust, to cut mao, cut off by guide arc chord angle guiding warp thread; And collude flexible connection with last shuttle matrix by the folder latitude, improved folder latitude stability, thereby realized the purpose of the utility model.

The utility model can make the warp thread of leading shuttle face top glide smoothly owing to be provided with the guide arc chord angle in the outer end of leading the shuttle face, has prevented that effectively warp thread is thrust, cuts hair, cuts off; Because last shuttle is pressed from both sides the improvement that latitude colludes, improved and sent latitude stability again, also prolonged the service life of last shuttle, improved weaving quality and efficient.

Fig. 1 is the utility model structural representation.

Fig. 2 is a structural representation of going up shuttle (" 2 " among Fig. 1).

Fig. 3 is the side view of toothed track (among Fig. 1 " 4 ").

Fig. 4 is the cutaway view along B among Fig. 3-B line.

Provide a most preferred embodiment of the present utility model below in conjunction with accompanying drawing.

Referring to accompanying drawing 1.The utility model by last shuttle 2, lead the shuttle track, shuttle body 3, closed rope mechanism 5 of holding that shuttle 2 slides form.Shuttle body 3 is arranged on the closed rope, and the last shuttle 2 of correspondence position is isolated by leading shuttle track and shuttle body above it.Shuttle body and last shuttle all are equipped with magnet, when closed rope spurs shuttle body, by magneticaction, make shuttle leading reciprocating motion on the shuttle track, finish picking movement.7 is the dynamical system in the closed rope mechanism 5.

Referring to accompanying drawing 2.Last shuttle 2 is colluded 8, folder latitude moving plate 9, is gone up shuttle matrix 11, magnet 10, spring 12 and constitute by the folder latitude.Folder latitude moving plate 9 is connected with last shuttle matrix 11 usefulness Xiao Zi 13, and folder latitude moving plate 9 can be done limited rotation around Xiao Zi 13.The folder latitude colludes with hard wear-resistant material pottery or hard alloy steel to be made, and flexibly connects by two elongate slot 14 usefulness screws and last shuttle matrix, is convenient to dismounting and change and adjusts pincers yarn mouth gap and clamping force.Pincers yarn mouth gap is meant that the folder latitude colludes and press from both sides the pincers yarn mouth angle that the handing-over of latitude moving plate constitutes, and the adjusting range of angle is 10 °-50 °, send the latitude requirement with what adapt to different weft yarns.Above-mentioned pincers yarn mouth is provided with the anti-skidding line of rabbet joint, and the dark scope of line is 0.1-5 millimeters, increases grasping force, and is smooth at pincers yarn mouth to prevent weft yarn.The elastic force of spring 12 makes pincers yarn mouth that certain elasticity and thrust be arranged by the leverage of folder latitude moving plate 9.Last shuttle 2 bottoms are provided with disconnectable wear-resisting strip, go up shuttle and slide wearing and tearing in the process leading the shuttle track to reduce.6 is the steel button, to show the position of the utility model on loom.

Referring to accompanying drawing 1, Fig. 3 and Fig. 4.Lead the bar sub-track 1 that the shuttle track comprises toothed track 4 and is positioned at toothed track 4 two.The last plane of bar sub-track 1 is consistent with the shuttle face of the leading height of toothed track 4, and the lower plane of bar sub-track 1 is mutually neat with the tooth root portion 17 of toothed track.Toothed track 4 is formed by connecting by 2-5 profile of tooth tracks when making, and is gapped in the baseplane of profile of tooth track connection, in order to hold lubricating grease, reduces the wearing and tearing of shuttle body 3.15 for the shuttle face of leading of toothed track 4.Toothed track is led the outer end of shuttle face 15 and extended, and guide arc chord angle 16 is set thereon, the guide arc radius of guide arc chord angle 16 is 1-3 millimeters.The setting of guide arc chord angle can guide the warp thread of leading shuttle face top to slide into the tooth root portion 17 of toothed track smoothly down, avoids cracked ends.Because bar sub-track 1 is plane contact with the wear-resisting strip of last shuttle 2 bottom surfaces, has alleviated the wearing and tearing of last shuttle and bar sub-track, has prolonged service life, has also reduced noise simultaneously, has improved stable working.

The utility model can be used to produce new shuttleless loom, also can be used for the transformation of various traditional fly-shuttle looms such as cotton knitting machine, silk loom.

Claims

1, a kind of magnetic controlled loom weft insertion device, it comprises that having the folder latitude colludes the last shuttle (2) of (8), that holds that shuttle (2) slides leads shuttle track, shuttle body (3) and closed rope mechanism, lead the shuttle track and be provided with toothed track (4), it is characterized in that toothed track (4) is led the outer end extension of shuttle face, and guide arc chord angle (16) is set thereon, the folder latitude of last shuttle colludes (8) and flexibly connects with last shuttle matrix (11).

2, by the described magnetic controlled loom weft insertion device of claim 1, it is characterized in that the guide arc radius of described guide arc chord angle (16) is generally 1-3 millimeters.

3, by the described magnetic controlled loom weft insertion device of claim 1, it is characterized in that described folder latitude colludes (8) and makes with hard wear-resistant material.