CN201520864U

CN201520864U - Sinker control device of flat knitting machine

Info

Publication number: CN201520864U
Application number: CN200920198903XU
Authority: CN
Inventors: 郑建林; 兰善兵; 詹善全
Original assignee: 孙平范
Current assignee: Ningbo Cixing Co Ltd
Priority date: 2009-10-26
Filing date: 2009-10-26
Publication date: 2010-07-07
Anticipated expiration: 2019-10-26

Abstract

The utility model discloses a sinker control device of a flat knitting machine, and aims to provide a sinker control device which has simple structure and soft pressing. The sinker control device comprises a base and a track block, wherein a rack is arranged on the track block, and is meshed with a gear on the base, the track block is driven to move left and right by the matching of the gear and the rack, two inward concave tracks are arranged on the track block, the first track transversely penetrates through the whole track block, and the second track is in inverted U-shape, and is composed of a transverse track and two oblique tracks, two movable triangles are arranged on the base, and are movably connected with the base through a pin groove, a pin penetrates through the second track of the track block, the groove is perpendicular to the transverse section of the second track, the height of the oblique sections of the second track is matched with the pin, the height of the transverse section of the second track is larger than the pin, and the base is provided with two elastic pressure mechanisms for exerting pressures on the two movable triangles, and the is further provided with a fixed triangle which is located in the first track.

Description

The device for controlling sinker of flat machine

Technical field

The utility model belongs to the Knitting Machinery field, particularly relates to a kind of device for controlling sinker of flat machine.

Background technology

Flat machine in the process of braiding garment piece, lopping and to turn over pin be the indispensable braiding requirement of garment piece.Whether the quality of lopping and stable the depending on of turning over pin are spent coil and cooperating of crochet hook suitably closely, and will make coil suitable with cooperating of crochet hook, must just can finish with the mode of tractive garment piece or the mode of pushing coil.Sinker promptly is the vitals of pushing coil, helping lopping, by control device, allows sinker rotate around fulcrum, and its pressing position is changed, thereby coil is produced pressure, helps lopping.

About device for controlling sinker, the applicant once applied for two patents before this, application number is respectively 200520117410.0 and 200710068736.2, these two kinds of technical schemes all comprise base, connecting rod etc., drive by rack-and-pinion, with the track of specific triangle control sinker, they can both finish the control to sinker preferably.Shortcoming is, the one, and structure is complicated, and parts are more; The 2nd, be rigidity to the pressure of sinker.

The utility model content

The purpose of this utility model is the above-mentioned defective that overcomes device for controlling sinker, and a kind of simple in structure, device for controlling sinker that flexibility is pushed is provided.

For this reason, the technical solution adopted in the utility model is such: the device for controlling sinker of flat machine, comprise base, rail block, have tooth bar on the rail block, with the gears engaged on the base, and by this rack-and-pinion cooperation drive track piece move left and right, it is characterized in that: the track that has two indents on the rail block, first track traverses the whole rail piece, and second track is inverted U-shaped, is made up of one section cross track and two sections oblique tracks; Have two bolt cams on the base, flexibly connect by cotter way with base, second track of described pin traverse track piece, described groove is perpendicular to the traversing section of this second track; The height that this second track is oblique section matches with described pin, and the height of this second track traversing section is greater than described pin; Base is provided with two elastic pressure mechanisms, respectively two bolt cams is exerted pressure; Also be provided with a fixed triangle on the base, be positioned at first track.

First track of the present utility model directly acts on sinker, the variation of position relation between the design by orbital curve, fixed triangle and two bolt cams, the motion of guiding sinker; Be connected by cotter way between bolt cam and the base, connecting pin can slide up and down in groove, so bolt cam can move up and down with respect to base, connecting pin has passed through second track of rail block simultaneously, the shape of track has limited the movement locus of pin again, so the move left and right and the moving up and down of bolt cam of rail block can be formed interlock; Oblique section of second track matches with connecting pin, so bolt cam is in this section stroke, its track is fixed, the traversing section height of second track is greater than the diameter of connecting pin, this moment, connecting pin was gapped with cooperating of track, and movable block can move up and down within the specific limits, and elastic pressure mechanism applies elastic pressure to movable block, affacting at last on the sinker, is exactly the pressing force of a flexibility.

In addition, the utility model only has a fixed triangle and two bolt cams, just can finish the control to sinker, simplifies the structure widely.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2, Fig. 3 are the schematic diagrames of the utility model use.

The specific embodiment

Referring to Fig. 1.Present embodiment comprises base 1, rail block 2, has tooth bar 4 on the rail block 2, with gear 3 engagements on the base 1, rotating drive tooth bar 4 move left and right of gear 3, thereby makes rail block 2 move left and right.The track that has two indents on the rail block, first track 21 traverses the whole rail piece, and second track is inverted U-shaped, is made up of one section cross track 222 and two sections oblique tracks 221,223; Have two vertical grooves (not marking among the figure) on the base, two

bolt cams

11,12 penetrate in the groove by pin 111,121, flexibly connect with base.Second track of pin 111,121 traverse track pieces 2, that is, base in a side of rail block and

bolt cam

11,12 at opposite side.In second track, two oblique section 221,223 height matches with the diameter of pin 111,121, and the height of traversing section 222 is greater than cotter diameter.Also be provided with two

torsion springs

13,14 on the base, respectively

bolt cam

11,12 applied downward pressure.Also be provided with a fixed triangle 15 on the base, be positioned at first track 21 of rail block.

Referring to Fig. 2.When being depicted as head and moving left, the duty of each parts.Tooth bar 4 is moved to the left certain position with rail block 2 under the effect of gear 3, sinker has at this moment entered a place of first track 21, is in shallow degree pressed state.At this moment crochet hook 51 also is in the state of rising, and when sinker ran to crochet hook 52 places, the crochet hook of this moment continued to rise, and sinker also continues to push on coil.But what this time, sinker should not be pushed coil is sacrifices consisting of an ox, a sheep and a pig solid, if the garment piece density of braiding is too close, just coil is very little, sinker just might break coil, can cause the generation of substandard products, and this moment torsion spring 13 an end be pressed in bolt cam 11 above, sinker then can according to the degree of tightness of coil with force reaction to bolt cam 11, bolt cam can be subjected to the promotion of the reaction force of sinker simultaneously, because pin 111 has certain distance with the upper edge of track 222, so bolt cam 11 will move upward, but torsion spring 13 again with bolt cam to pressing down, so the sinker of this moment is not to push coil by force, but flexibility is pushed coil, have buffering to remove to push coil with gentle power like this and just coil can not broken, the garment piece of the tightness that knits out just can reduce the generation of substandard products greatly.

Next head continues operation left, and sinker can begin upwards playback through the left margin of fixed triangle 15, and this playback is not that this braid movement has been finished playback, but prepares for continuing later on to push.Arrive the top of fixed triangle 15 when sinker after, under the effect of bolt cam 12, begin to push coil again, and pin 121 has also entered oblique section 223 on the right side of second track, bolt cam 12 can move downward along this track 223, when sinker runs to crochet hook 53 residing positions, at this moment position is the residing position of crochet hook knocking over just, because bolt cam is subjected to the control of track 223 and moves down certain distance, cause bolt cam 12 that sinker is in degree of depth pressed state, so coil also just is close on the crochet hook, finishes knocking-over action.After knocking-over action was finished, sinker continued to arrive the b places along 21 operations of first track, and at this moment, sinker is reset, and meaned that device for controlling sinker finishes in the work of this knitting zone.

Referring to Fig. 3.When being depicted as head and moving to the right, the duty of each parts.Tooth bar 4 is under the effect of gear 3, and with rail block 2 certain position that moves right, sinker has at this moment entered the d place of first track 21, is in shallow degree pressed state.At this moment crochet hook 54 also is in the state of rising, and when sinker ran to crochet hook 53 places, the crochet hook of this moment continued to rise, and sinker also continues to push on coil.But what this time, sinker should not be pushed coil is sacrifices consisting of an ox, a sheep and a pig solid, if the garment piece density of braiding is too close, just coil is very little, sinker just might break coil, can cause the generation of substandard products, and this moment torsion spring 14 an end be pressed in bolt cam 12 above, sinker then can according to the degree of tightness of coil with force reaction to bolt cam 12, bolt cam can be subjected to the promotion of the reaction force of sinker simultaneously, because pin 121 has certain distance with the upper edge of track 222, so bolt cam 12 will move upward, but torsion spring 14 again with bolt cam to pressing down, so the sinker of this moment is not to push coil by force, but flexibility is pushed coil, have buffering to remove to push coil with gentle power like this and just coil can not broken, the garment piece of the tightness that knits out just can reduce the generation of substandard products greatly.

Next head continues operation to the right, and sinker can begin upwards playback through the edge, the right of fixed triangle 15, and this playback is not that this braid movement has been finished playback, but prepares for continuing later on to push.Arrive the top of fixed triangle 15 when sinker after, under the effect of bolt cam 11, begin to push coil again, and pin 111 has also entered oblique section 221 in the left side of second track, bolt cam 11 can move downward along this track 221, when sinker runs to crochet hook 52 residing positions, at this moment position is the residing position of crochet hook knocking over just, because bolt cam is subjected to the control of track 221 and moves down certain distance, cause bolt cam 11 that sinker is in degree of depth pressed state, so coil also just is close on the crochet hook, finishes knocking-over action.After knocking-over action was finished, sinker continued to arrive the c places along 21 operations of first track, and at this moment, sinker is reset, and meaned that device for controlling sinker finishes in the work of this knitting zone.

Claims

1. the device for controlling sinker of flat machine, comprise base, rail block, have tooth bar on the rail block, with the gears engaged on the base, and by this rack-and-pinion cooperation drive track piece move left and right, it is characterized in that: have the track of two indents on the rail block, first track traverses the whole rail piece, second track is inverted U-shaped, is made up of one section cross track and two sections oblique tracks; Have two bolt cams on the base, flexibly connect by cotter way with base, second track of described pin traverse track piece, described groove is perpendicular to the traversing section of this second track; The height that this second track is oblique section matches with described pin, and the height of this second track traversing section is greater than described pin; Base is provided with two elastic pressure mechanisms, respectively two bolt cams is exerted pressure; Also be provided with a fixed triangle on the base, be positioned at first track.