CN201864898U

CN201864898U - Flat knitting machine provided with needle selecting mechanism

Info

Publication number: CN201864898U
Application number: CN2010206991096U
Authority: CN
Inventors: 园村稔; 宫井卓哉
Original assignee: Shima Seiki Mfg Ltd
Current assignee: Shima Seiki Mfg Ltd
Priority date: 2010-11-22
Filing date: 2010-11-22
Publication date: 2011-06-15
Anticipated expiration: 2020-11-22

Abstract

The utility model provides a flat knitting machine provided with a needle selecting mechanism. The front end at the upper side of a needle selecting bottom foot piece is provided with a pushing part which pushes the needle selecting bottom foot piece to the side of a gear opening, so that a needle selecting piece can stably select a needle. Furthermore, a spacing piece, the needle selecting piece and the needle selecting bottom foot piece are accommodated in a needle groove, so that the response speed of the needle selecting piece is faster.

Description

The straight-bar machines that has selecting mechanism

Technical field

The present invention relates to a kind of straight-bar machines with selecting mechanism.

Background technology

The open CN101351587A communique of Chinese patent application discloses a kind of structure of needle-bar of straight-bar machines.Fig. 1 of this communique shows the camming that includes needle selecting device, Fig. 5 shows each parts about the knitting needle of taking in needle-bar that includes and the needle tray on being formed at needle-bar, the needle-bar integral body such as position relation of the configuration status of knitting needle slyder, needle selection slyder, selection piece etc. and the feed-through (piano wire (wire)) of each parts and break-through needle-bar.Selection piece has projection outstanding below it downwards.Selection piece is selected by the actuator that is arranged on the cam chair balladeur train, accepts selection piece turnover action of cam, and when the turnover of tooth oral-lateral, this projection engages with the needle selection slyder, releases the needle selection slyder.Selection piece does not have when selected, and the pin heel of selection piece is sunk in the needle tray by the cam pushing of actuator.This sinks to action serves as the swing fulcrum with the front of selection piece, the swing of rear lateral below.When the cam chair balladeur train carried out its action in walking at a high speed, because of formation projection below selection piece, it is big that inertia becomes, and can cause the movement instability of selection piece.

Summary of the invention

The present invention has overcome above-mentioned technical problem, and its purpose is to provide a kind of straight-bar machines with the stable selecting mechanism of the movement that makes selection piece.A kind of straight-bar machines with the reaction speed selecting mechanism more at a high speed that can make selection piece further is provided.

In straight-bar machines of the present invention, the knitting needle slyder is connected with knitting needle, has the operation pin heel of operating knitting needle to be used to advance and retreat with the cam engagement that is arranged on the cam chair balladeur train above, have and the abutting part that passes the piano wire butt of needle plate at pars intermedia, the elasticity foot that has butt bottom needle tray at afterbody

Constituting of needle selection slyder; Be disposed at the upper side of described knitting needle slyder; Afterbody has 3 recesses; Any one recess engage with the piano wire that passes needle plate to realize to advance and retreat location of direction; When the selection on being arranged at needle selection slyder leading section is pressed to the bottom side of needle tray with the pin heel; Leading section by the needle selection slyder sinks in the needle tray; Make the pars intermedia bending of knitting needle slyder; Needle tray is sunk in the operation pin heel of knitting needle slyder; Thereby the cam of camming can not act in the heel of operation pin

Selection piece is disposed at the upper side of described needle selection slyder, parts for the advance and retreat change in location that makes the needle selection slyder, in needle tray, be provided with by piano wire and support, accept on selection piece to be located at the selection piece lift cam on the cam chair balladeur train effect so that selection piece move to the turnover pin heel of tooth oral-lateral and accept selection piece decline action of cam so that the back withdraw of the needle heel that selection piece retreats from the tooth oral-lateral, between heel of turnover pin and back withdraw of the needle heel, be provided with and accept the needle selection pin heel that selection piece is selected the actuators acts of usefulness, selection piece is located in the needle tray length direction by piano wire in needle tray, being supported to the contact point with piano wire in this position is that fulcrum can be swung, simultaneously, the front end at selection piece is provided with the release portion that the needle selection slyder is released usefulness.

In addition, reduce the thickness of the needle tray width of selection piece and needle selection slyder, in needle tray, take in leaf gauge and these selection pieces and needle selection slyder side by side.

In addition, in the next side of the afterbody of selection piece, the piano wire of the lower position when limiting by the pin heel of described actuator pushing needle selection swing displacement passes needle plate.

In addition, described piano wire makes the lower position of the afterbody of selection piece also be in upper than the afterbody of the described recess that forms the needle selection slyder.

Description of drawings

Fig. 1 is the schematic diagram that the needle-bar of the embodiment of the invention is shown,

Fig. 2 is the schematic diagram of camming that the cam chair balladeur train of the embodiment of the invention is shown,

Fig. 3 illustrates the view that takes out needle selection slyder, selection piece, leaf gauge from needle tray.

Among the figure, 1 needle-bar, 3 needle plates, 5 needle trays, 7 tooth mouths, 9 knitting needles, 10 knitting needle slyders, 11 operation pin heels, 13 pars intermedias, 15 abutting parts, 17 elasticity foots, 20 needle selection slyders, 21 leading sections, 22 upside afterbodys, 23,24,25 recesses, 27 select with pin heel, 28 downside afterbodys, 30 selection pieces, 31 turnover pin heels, 33 back withdraw of the needle heels, the heel of 35 needle selection pins, 37 release portions, 40 leaf gauges, 41,43 fitting portions, 50a, 50b, 50c, 50d, 50e, the 50f piano wire, 53 cam chair balladeur trains, 55 cammings, 57 cams, 59 eedle pressers, 61 selection piece lift cam, 63 selection piece decline cams, 65 actuators

The specific embodiment

Below, according to Fig. 1 and Fig. 2 embodiments of the invention are described.Fig. 1 illustrates needle-bar, and Fig. 2 illustrates the camming of cam chair balladeur train.The structure that is characterized as needle-bar of straight-bar machines of the present invention, cam chair balladeur train can adopt the identical structure of being put down in writing with the open CN101351587A communique of the Chinese patent application shown in the background technology of camming.Therefore, the following description only is described in detail the structure of needle-bar, simple explanation to camming.

Needle-bar 1 is that needle plate 3 is arranged side by side along the length direction of needle-bar 1, forms needle tray 5 between these needle plates 3,3.On needle tray 5, knitting needle 9, knitting needle slyder 10, needle selection slyder 20, selection piece 30 sequentially are housed from tooth mouth 7.Knitting needle slyder 10 is connected with knitting needle 9, has the operation pin heel 11 that engages with cam 57 on the camming 55 that is arranged at cam chair balladeur train 53 with the operation knitting needle 9 that is used to advance and retreat above it.On the pars intermedia 13 of knitting needle slyder 10, have and the abutting part 15 that passes the piano wire 50a butt of needle plate 3, have the elasticity foot 17 of butt bottom needle tray at afterbody.

Fig. 3 shows needle selection slyder 20, selection piece 3, the leaf gauge 40 that takes out from needle tray 5.Needle selection slyder 20 is disposed at the upper side of knitting needle slyder 10, has upside afterbody 22 that has 3

recesses

23,24,25 that can engage with piano wire 50d and the downside afterbody 28 that also rearward extends from body branch.Piano wire 50d, 50e are positioned between these

afterbodys

22,28, under the state that selection piece 30 is accommodated in the needle tray 5, and by each

afterbody

22,28 crimping piano wire 50d, 50e, the location of realizing

recess

23,24,25 and piano wire 50d.The selection that is arranged on needle selection slyder 20 leading sections 21 calls in person 27 when being pushed to the bottom side of needle tray 5 by the eedle presser 59 on the camming 55 that is arranged at cam chair balladeur train 53 with pin, the leading section of needle selection slyder 20 sinks in the needle tray 5, make pars intermedia 13 bendings of knitting needle slyder 10, the operation pin heel 11 of knitting needle slyder 10 is sunk in the needle tray 5, thereby camming 57 can not act in the operation pin heel 11.

Selection piece 30 is the parts that the advance and retreat position of control needle selection slyder 20 is used, and is disposed at the upper side of needle selection slyder 20.By piano wire 50d, 50e supports selection piece 30 in needle tray 5.On selection piece 30, be provided with the selection piece lift cam of accepting on the cam chair balladeur train 53 61 effect so that selection piece 30 move to the turnover pin heel 31 of tooth mouth 7 sides and accept the effect of selection piece decline cam 63 so that the back withdraw of the needle heel 33 that selection piece 30 moves back from tooth mouth 7 rear flank.Between these

pin heels

31,33, be provided with and accept the needle selection pin heel 35 that selection piece is selected actuator 65 effects of usefulness.

Symbol 50f is illustrated in the next side of the afterbody of selection piece 30 and passes piano wire (wire).This piano wire 50f defines the lower position of the selection piece 30 when by actuator 65 needle selection pin heel 35 being descended.The lower position also is in upper than the upside afterbody 22 of needle selection slyder 20, thus, selection piece 30 can not interfered with needle selection slyder 20.Because selection piece 30 can not conflict with needle selection slyder 20, piano wire 50f can be arranged at needle selection pin heel 35 positions that can not float again, make the kinergety decay of selection piece 30.When piano wire 50f is not set, unqualified because of the lower position of selection piece 30, to guarantee sufficient space in order not interfere mutually, need configuration selection piece 30 and needle selection slyder 20, have no alternative but to deepen needle tray 5 etc., make needle-bar 1 on short transverse, maximize.And in the time can not guaranteeing sufficient space, the reaction force in the time of can taking place by the conflicting of selection piece 30 and needle selection slyder 20, the needle selection pin heel 35 that makes decline is the problems of come-up once more.

Selection piece 30 is located in the length direction of needle tray 5 by piano wire 50b in needle tray 5, in this position, can piano wire 50b be fulcrum ground swinging mounting.At the front end of selection piece 30, be provided with and needle selection slyder 20 butts and release portion 37 from usefulness to 7 thrusters of tooth mouth that needle selection slyder 20 is gone out.

By adopting said structure, because selection piece 30 needn't be provided with projection below afterbody,, can not be subjected to the influence of the inertia that causes because of projection even selection piece 30 is by actuator 65 swing displacements in braiding at a high speed yet, can make the movement of selection piece 30 stable.

In the present embodiment, the groove width of needle tray 5 is certain, and knitting needle 9 and knitting needle slyder 10 have the thickness roughly the same with the groove width of needle tray 5.To this, the thickness of selection piece 30 and needle selection slyder 20 is less than the groove width of needle tray 5, and in needle tray 5, selection piece 30 and needle selection slyder 20 adjacency are taken in leaf gauge 40.Leaf gauge 40 is by fitting portion 41,43 and piano wire 50e, and 50b is chimeric, has realized the location in needle tray 50.Much less, selection piece 30 and needle selection slyder 20 formed with the roughly the same thickness of the groove width of needle tray 5 then can omit leaf gauge 40, but as present embodiment, when being provided with leaf gauge 40, can be with selection piece 30 attenuation, quality diminishes, can make the selection piece 30 that slides by selection piece lift cam 61 and selection piece decline cam 63 reaction speed more at a high speed.

Claims

1. straight-bar machines with selecting mechanism, at the length direction of needle-bar and establish needle plate, with between the needle plate as needle tray, in this needle tray, be respectively equipped with knitting needle and knitting needle slyder, needle selection slyder, selection piece, the cam chair balladeur train side of back and forth walking on needle-bar is provided with selection piece and selects the actuator of usefulness, selection piece turnover cam, selection piece to retreat cam and eedle presser

It is characterized in that,

The knitting needle slyder is connected with knitting needle, has the operation pin heel of operating knitting needle to be used to advance and retreat with the cam engagement that is arranged on the cam chair balladeur train above, have and the abutting part that passes the piano wire butt of needle plate at pars intermedia, have the elasticity foot of butt bottom needle tray at afterbody

2. the straight-bar machines with selecting mechanism according to claim 1 is characterized in that, reduces the thickness of the needle tray width of selection piece and needle selection slyder, takes in leaf gauge and these selection pieces and needle selection slyder in needle tray side by side.

3. the straight-bar machines with selecting mechanism according to claim 1 is characterized in that, in the next side of the afterbody of selection piece, the piano wire of the lower position when limiting by the pin heel of described actuator pushing needle selection swing displacement passes needle plate.

4. the straight-bar machines with selecting mechanism according to claim 3 is characterized in that, the afterbody that described piano wire makes the lower position ratio of the afterbody of selection piece form the described recess of needle selection slyder also is in upper.