CN203498605U - Compound needle for flatbed knitting machine - Google Patents

Abstract

The utility model provides a compound needle for a flat knitting machine. In a front clamping part (2a) at the front end of a combination scope of a needle guiding piece substrate (5) and two blades (6, 7), protruding parts (6a, 7a) are accommodated in a slit part (5a). In a middle clamping part (2b), a convex part (5b) is opposite to concave parts (6b, 7b), is accommodated in a groove (5e) arranged at the front end part of the convex part (5b) and is clamped with the concave parts (6b, 7b). In a rear clamping part (2c) at the rear end of the combination scope, rear end parts (6c, 7c) of the two blades (6, 7) are accommodated and clamped in a cutout part (5c). When the two blades are installed on the needle guiding piece substrate, the protruding parts are hooked on the slit part for clamping in the front clamping part, and then swing clockwise by taking the front clamping part as the pivot for clamping in the middle clamping part and the rear clamping part. If the blades are inserted into a needle groove in the clamping state, the blades can act integrally as needle guiding pieces (2).

Description

The compound needle of horizontal volume machine

Technical field

The utility model relates to a kind of compound needle that is opened and closed the horizontal volume machine of pinhock by pusher jack.

Background technology

In the past, in horizontal volume machine, existed and use compound needle as the situation of knitting needle.In compound needle, the state that pin main body and pusher jack are configured in the bottom surface side that becomes needle tray below, pusher jack to be combined into pin main body is configured in the top of the face side that becomes needle tray is housed in needle tray.Pin main body has pinhock in the front portion that becomes the tooth mouth side of needle-bar, along needle tray, on fore-and-aft direction, moves back and forth.Pinhock is advanced and retreat with respect to tooth mouth.Pusher jack by open and close the parts of pinhock and possess the driving that is subject to triangle pin heel parts in conjunction with and form (for example,, referring to patent documentation 1).From the both sides of width, by tongue, clipped the switching of carrying out pinhock, then have, at tongue, can cross pinhock and enter in the compound needle of tooth mouth, can also realize the actions (for example,, referring to patent documentation 2) such as barring-on that utilize tonguing row.In these compound needles, the parts of pin heel and the parts of switching pinhock that possess the driving that is subject to triangle are combined into by the combination of preformed joint portion, and joint portion is fixed securely by the riveted joint operation in rear processing.

Technical literature formerly

Patent documentation

Patent documentation 1: No. 2747457 communique of Japan Patent

Patent documentation 2: No. 2946323 communique of Japan Patent

For the fixing joint portion of compound needle, need to rivet the rear operations such as operation, so, take time and energy.In addition, because compound needle is inserted under the state being firmly fixed in joint portion to each needle tray or because safeguarding etc. that while removing from needle tray, the relative deformation between parts is also limited, so, operation cost time.Have again, can not carry out a part that forms the parts of compound needle to change such reparation, even if a part produces damage etc., also need to change whole.

Utility model content

The purpose of this utility model is to provide a kind of compound needle of the horizontal volume machine that need to not be fixed securely in rear operation.

The utility model is a kind of compound needle of horizontal volume machine, the compound needle of described horizontal volume machine is accommodated in the needle tray being set up in parallel on the needle-bar of horizontal volume machine as the knitting needle of assembled state, described compound needle disposes respectively the pusher jack of the top that becomes face side and becomes the pin main body of the below of bottom surface side

Pin main body can move back and forth along needle tray on fore-and-aft direction, so that anterior pinhock is with respect to tooth mouth advance and retreat,

Pusher jack is combined to form by pusher jack matrix and two blades, can carry out with respect to the relatively moving of the fore-and-aft direction of pin main body,

It is characterized in that,

In the combination of pusher jack matrix and two blades, the combination range of predefined length is set on fore-and-aft direction,

The front holding section of the front end of combination range is by being arranged on the jut on each blade and being arranged on pusher jack matrix and the slit portion that holds above-mentioned jut forms,

The middle holding section of the centre of combination range forms by being arranged on the recess on each blade and being arranged on pusher jack matrix and with the opposed protuberance of above-mentioned recess of blade, described protuberance can be accommodated the above-mentioned recess of two blades in being formed at the groove of leading section

The rear holding section of the rear end of combination range is by the rearward end of each blade and be arranged on pusher jack matrix and the notch that holds the rearward end of above-mentioned blade forms.

In addition, in the utility model, it is characterized in that, the notch of above-mentioned pusher jack matrix has the separating part limiting in the centre of width, so that the rearward end of above-mentioned two blades can not crossed moving medially of width.

In addition, in the utility model, it is characterized in that, above-mentioned pin main body has:

Accepting groove, its bottom surface side at needle-bar extends ground opening along fore-and-aft direction, and accommodates the above-mentioned jut of above-mentioned two blades and the mid portion of above-mentioned recess; With

Pushing portion, under its state retreating the most with respect to pin main body at above-mentioned pusher jack, is housed in two blades accepting groove from the face side pushing of needle tray.

According to the utility model, the pusher jack of compound needle is by pusher jack matrix and two blade unit, by the anterior pinhock that relatively moves to open and close pin main body of the fore-and-aft direction with respect to pin main body.In the combination range that pusher jack matrix and two blades are set up with predefined length at fore-and-aft direction, respectively in the front holding section of front end, the rear holding section engaging of middle middle holding section and rear end is combined thus.When compound needle is assemblied in to needle tray, if pusher jack matrix and two blades are engaged three holding sections, can in needle tray, as pusher jack, move integratedly, therefore, need in the rear operation when forming compound needle, on pusher jack matrix, not combine and firmly fix two blades.Because pusher jack matrix and two blades are not firmly fixed, so, even when the mounting or dismounting of carrying out with needle tray, also can make distortion increase each other etc., easily carry out operation.In the situation that any one of pusher jack matrix and two blades sustains damage is such, also can change the parts that sustain damage, as compound needle, reuse.

In addition, according to the utility model, because separating part is set at notch, limit, so that the rearward end of each blade can not crossed the central authorities of width, so, be constrained to two blades and can not throw off at width.

In addition, according to the utility model, when compound needle is assemblied in to needle tray, need in accepting groove, accommodate two blades, to pushed from the pushing portion being arranged on pin main body.Because two blades and pin main body are not firmly fixed, so, can blade be contained in to accepting groove on one side, Yi Bian easily carry out compound needle to be assemblied in the operation of needle tray.

Accompanying drawing explanation

Fig. 1 means the side view as the structure of the compound needle 1 of embodiment 1 of the present utility model.

Fig. 2 means the side view of the constituent part that the compound needle of Fig. 11 has been decomposed.

Fig. 3 mean Fig. 1 pusher jack matrix 5 the side view of the part that comprises three holding sections and upward view and make two blades 6,7 be fastened on the upward view of the state of pusher jack matrix 5.

Fig. 4 means the local side view of the pusher jack matrix 5 of Fig. 1 and the fastening state of blade 6,7.

Fig. 5 means near side view and the side view cutaway drawing of the local structure middle holding section 2b in the compound needle 1 of Fig. 1.

Fig. 6 is the rear holding section 2c for the compound needle 1 of Fig. 1, represents local side view and the upwarding cutaway view of other example and represents other routine partial side view.

Fig. 7 means the partial side view as the structure of the side view of the structure of the partial side view of the structure of the compound needle 11 of embodiment 2 of the present utility model, elevational cross-sectional view, expression blade 16,17 and expression pin main body.

Description of reference numerals

1,11: compound needle; 2,12: pusher jack; 2a, 12a: front holding section; 2b, 12b: middle holding section; 2c, 12c: rear holding section; 3,13: pin main body; 3a: pinhock; 5,15: pusher jack matrix; 5a, 15a: slit portion; 5b, 15b: protuberance; 5c, 5f, 5h, 15c: notch; 5e, 15e: groove; 5g, 5i: separating part; 6,7,16a, 17a: blade; 6a, 7a, 16a, 17a: jut; 6b, 7b, 16b, 17b: recess; 6c, 7c, 16c, 17c: rearward end

The specific embodiment

Below, in Fig. 1～Fig. 6, represent the structure as the compound needle 1 of embodiment 1 of the present utility model.In Fig. 7, represent the structure as the compound needle 11 of embodiment 2 of the present utility model.In the compound needle 11 of embodiment 2, have that only the numerical value of ten is different at part mark corresponding to the compound needle 1 to from embodiment 1, but other identical Reference numeral, the situation that the repetitive description thereof will be omitted.In addition, in the explanation of relevant Fig. 1～Fig. 7, exist not being documented in the part in the accompanying drawing of description object, mark the situation that Reference numeral that other accompanying drawing records is mentioned.

Embodiment 1

Fig. 1 represents overall structure for the compound needle 1 as embodiment 1 of the present utility model.Compound needle 1 is accommodated in the needle tray being set up in parallel on the needle-bar of horizontal volume machine as the knitting needle of assembled state, and this compound needle 1 has configured respectively the pusher jack 2 of the top that becomes face side and become the pin main body 3 of the below of bottom surface side.Pin main body 3 can move back and forth at fore-and-aft direction along needle tray, so that anterior pinhock 3a advances and retreat with respect to tooth mouth.Pin main body 3 makes the leading section 4a and the chimeric link of recess 3b that is arranged on rear portion of needle jack 4.Mid portion at needle jack 4 arranges pin heel 4b.The comparing with pin heel 4b of needle jack 4 becomes the part at rear when making the bottom surface butt of tail end 4c and needle-bar, by strain, the pin 4b that calls in person boosted upward.At compound needle 1, be housed under the state in needle tray, the pin heel 4b being boosted is outstanding from the surface of needle-bar.Pusher jack 2 is combined to form by pusher jack matrix 5 and two blades 6,7, can carry out relatively moving with respect to the fore-and-aft direction of pin main body 3.In the combination of pusher jack matrix 5 and two blades 6,7, at fore-and-aft direction, arrange by the combination range 2S of predefined length.

At the front holding section 2a of the front end of combination range 2S, in slit portion 5a, hold and the 6a of engaging protrusion portion, 7a.Jut 6a, 7a are arranged on each blade 6,7, while it is outstanding to back upper place to tilt.Slit portion 5a is arranged on pusher jack matrix 5, opening forwards, and from the centre of the width of lower surface opening downwards.

Middle holding section 2b in the centre of combination range 2S, protuberance 5b and recess 6b, 7b engaging.Recess 6b, 7b are arranged on each blade 6,7, and along fore-and-aft direction, in becoming the scope of certain width, the height of above-below direction reduces.Protuberance 5b is arranged on pusher jack matrix 5, opposed with recess 6b, 7b, outstanding downwards in the width engaging with recess 6b, 7b, this protuberance 5b, at leading section, can be accommodated by the part that recess 6b, 7b are being set the groove 5e of two blades 6,7 in the middle formation of width.

Rear holding section 2c in the rear end of combination range 2S holds and engages rearward end 6c, the 7c of two blades 6,7 in notch 5c.Notch 5c is arranged on pusher jack matrix 5.On pusher jack matrix 5, pin heel 5d is set at rear portion, pin heel 5d keeps from the state of the surface floating of needle tray.

Fig. 1 (a) represents the state that pusher jack 2 is relatively retreated the most with respect to pin main body 3.Under this state, the hook-shaped opening of pinhock 3a is opened.If pusher jack 2 is relatively forwards moved with respect to pin main body 3, can make to be arranged on the front end of anterior tongue 6d, 7d and the hook-shaped front end in contact of pinhock 3a of blade 6,7, the opening of pinhock 3a is closed.

Fig. 1 (b) represents to pass through the relative movement forwards with respect to pin main body 3 of pusher jack 2, the state that the opening of the pinhock 3a of pin main body 3 is closed, the state further forwards entering through anterior tongue 6d, the 7d of blade 6,7.

Fig. 2 represents respectively the pusher jack matrix 5 as the constituent part that compound needle 1 has been decomposed, the structure of two blades 6,7, pin main body 3 and needle jacks 4.When two blades 6,7 side-looking, be of similar shape.But, be arranged on guide portion 6e, the 7e of centre of jut 6a, 7a and tongue 6d, 7d and bend 6f, 7f between recess 6b, 7b and rearward end 6c, 7c and bloat to the foreign side of width., in the drawings become in the blade 6 of side nearby, guide portion 6e and bend 6f bloat to side nearby, and in becoming the blade 7 of depth side, guide portion 7e and bend 7f bloat to depth side.Front portion at recess 6b, the 7b of blade 6,7 arranges guide protrusion 6g, 7g downwards highlightedly.

Tongue guiding groove 3c and front and back guiding groove 3d are set in pin main body 3.Tongue guiding groove 3c has and accepts the tongue 6d of blade 6,7, the lower surface of 7d, and becomes the bottom surface at the triangular facet of above-below direction guiding.Guiding groove 3d one side under the state of guide protrusion 6g, 7g that is inserted with blade 6,7 in front and back limits to blade 6,7 can not vibrated at width, and one side guides.The 3e of pushing portion is also further set in pin main body 3, guide portion 6e, the 7e of the chimeric blade 6,7 of the 3e of this pushing portion.The 3e of pushing portion is as shown in Fig. 1 (a), if so that the state that pusher jack 2 retreats the most with respect to pin main body 3 makes guide portion 6e, 7e chimeric, guide portion 6e, 7e can be pushed downwards, along pushing away tongue 6d, 7d under the bottom surface of tongue guiding groove 3c.By under push away tongue 6d, 7d, engaged coil on pinhock 3a can move smoothly to tongue 6d, 7d side.For needle jack 4, for convenience of description, with the constituent part with respect to other forwards mobile state represent.

Fig. 3 represents the part that comprises three holding sections of pusher jack matrix 5 and makes two blades 6,7 be sticked in the state of pusher jack matrix 5.As shown in Fig. 3 (a), the notch 5c of pusher jack matrix 5 connects at width.The slit portion 5a of pusher jack matrix 5 as shown in Figure 3 (b), forwardly and lower opening, as shown in Fig. 3 (a), has the bottom surface of rising in tilted rearward.As shown in Figure 3 (b), the groove 5e being arranged on the protuberance 5b of pusher jack matrix 5 is formed on the centre of width with certain groove width.

As shown in Figure 3 (c), the groove 5e of pusher jack matrix 5 is housed in the part that two blades 6,7 become the below of recess 6b, 7b.Although bend 6f, the 7f of blade 6,7 bloat to the foreign side of width,, under the state in being housed in needle tray, curved surface contacts with the side wall surface of needle tray, bloats and is limited.At pusher jack 3, when the fore-and-aft direction of needle tray moves, bend 6f, 7f and side wall surface sliding-contact, produce contact resistance.By this contact resistance, for example, even under the state of Fig. 1 (a), 4b is rearward driven in pin heel, and pin main body 3 moves, and pusher jack 2 can not move yet.Guide portion 6e, the 7e of pusher jack 6,7 and pin main body 3 become same degree width bloat so that can be chimeric with the 3e of pushing portion being arranged in pin main body 3.

Fig. 4 represents the fastening state of pusher jack matrix 5 and blade 6,7.Fig. 4 (a) is illustrated in the state that front holding section 2a, middle holding section 2b and rear holding section 2c all engage. Blade 6,7 becomes not can be rearward and the below state of throwing off.Fig. 4 (b) represents the state only engaging at front holding section 2a.In blade 6,7, compare with jut 6a, 7a become the part at rear in the past holding section 2a be that fulcrum swings up and down.

When two blades 6,7 are installed to pusher jack matrix 5, first jut 6a, 7a are hooked in slit portion 5a, carry out the engaging at front holding section 2a.Then, the swing that before carrying out in the clockwise direction, holding section 2a is fulcrum, carries out the engaging at middle holding section 2b and rear holding section 2c.At middle holding section 2b, if make recess 6b, the 7b engaging of each blade 6,7, to make it to be housed in the groove 5e on the protuberance 5b that is located at pusher jack matrix 5, blade 6,7 is not constrained to and can throws off at width.If rearward end 6c, the 7c of two blades 6,7 and the notch 5c of pusher jack matrix 5 are engaged at rear holding section 2c, blade 6,7 is not constrained to and can throws off at above-below direction.

Near local structure during Fig. 5 represents the 2b of holding section.The cross section structure of seeing from hatching B-B and hatching C-C shown in Fig. 5 (a) is illustrated respectively in Fig. 5 (b) and Fig. 5 (c).As shown in Fig. 5 (a) and Fig. 5 (b), because at middle holding section 2b, protuberance 5b is inserted to the opening portion of recess 6b, 7b, so, be constrained to not direction forwards, backwards and throw off.As shown in Fig. 5 (a) and Fig. 5 (c), if be arranged to from two blades 6,7 downwards outstanding guide protrusion 6g, 7g be inserted in the front and back guiding groove 3d being arranged on pin main body 3, pusher jack 2 be not directed into and can staggering at width when fore-and-aft direction relatively moves with respect to pin main body 3.

If be inserted in needle tray under the state of engaging as described above, can move integratedly as pusher jack 2, so, need to, in formation in rear operation during compound needle 1, two blades 6,7 not combined and be firmly fixed at pusher jack matrix 5.Because pusher jack matrix 5 and two blades 6,7 are not firmly fixed, so, when the mounting or dismounting of carrying out with needle tray, also can make distortion increase each other etc., easily carry out operation.In the situation that any one of pusher jack matrix 5 and two blades 6,7 sustains damage is such, can also change the parts that sustain damage, as compound needle 1, reuse.

Fig. 6 is the rear holding section 2c for compound needle 1, represents other example.The notch 5f of the pusher jack matrix 5 shown in Fig. 6 (a), as the cross section structure of seeing from hatching B-B, as shown in Figure 6 (b), has separating part 5g in the centre of width.Separating part 5g limits, to make rearward end 6c, the 7c of two blades 6,7 can not cross moving medially of width.Although the restriction of being undertaken by separating part 5g is carried out with respect to the interior side of width, but, because by the restriction of being undertaken by groove 5e on middle holding section 2b, foreign side with respect to width is limited, so, as the integral body of two blades 6,7, to inside and outside two sides' of width vibration, be limited.Separating part 5g can be in the man-hour that adds that forms notch 5f, by being formed by remaining grade as wall.

Fig. 6 (c) means the separating part 5i forming from the riveted joint of both sides up and down of notch 5h.Pusher jack matrix 5 is formed by metal materials such as iron, if push the top and the bottom of notch 5h from the both sides of width, by plastic deformation, separating part 5i is formed and invades notch 5h inside.Such separating part 5i is also same with Fig. 6 (b), can limit two blades 6,7 to interior side's vibration of width.As mentioned above, because separating part 5g, 5i are set at notch 5f, 5h, limit, to make rearward end 6c, the 7c of each blade 6,7 can not cross the central authorities of width, so two blades 6,7 are not constrained to and can throw off at width.

Embodiment 2

Fig. 7 means the structure as the compound needle 11 of embodiment 2 of the present utility model.As shown in Figure 7 (a), in compound needle 11, also be front end, centre and the rear end that the front holding section 12a of pusher jack 12, middle holding section 12b and rear holding section 12c are arranged on respectively the scope suitable with the combination range 2S of Fig. 1, about the structure of the combination of pusher jack matrix 15 and two blades 16,17 is identical with embodiment 1, can access identical effect.

But, in blade 16,17, the shape that not to be guide portion 16e, 17e bloat to the foreign side of width, but the shape of general triangular be formed outstanding upward.In the drawings, the hook-shaped front end in contact of the anterior pinhock 13a of anterior tongue 16d, 17d front end and the pin main body 13 of blade 16,17, closes the opening of pinhock 13a.If pusher jack 12 relatively retreats with respect to pin main body 13, the opening of pinhock 13a is opened.If become the state that pusher jack 12 retreats the most with respect to pin main body 13, guide portion 16e, 17e arrive the position that is arranged on the 13e of pushing portion in pin main body 13, are urged downwards.The 13e of pushing portion is formed on the whole width of pin main body 13, and the part in the inner side of width pushes guide portion 16e, the 17e of shape as described above.

The cross section structure that Fig. 7 (b) sees the hatching B-B from Fig. 7 (a) amplifies to represent.The pin main body 13 that is formed with the part of pushing portion 13 has the accepting groove 13f that accommodates blade 16,17.Accepting groove 13f extends upward in front and back, downwards opening.Because the 13e of pushing portion stops up the top of accepting groove 13f at least partly, so if pusher jack 12 and pin main body 13 are combined and fixed in compound needle 1, the operation that is assemblied in needle tray becomes difficult.The 13e of pushing portion shown in Fig. 7 (d), the movement of blade 16,17 is being limited in such compound needle 11 above pin main body 13, when being assemblied in needle tray, formerly make blade 16,17 insert after the part of the 13e of pushing portion of cleansing pin main bodys 13, can make blade 16,17 and 15 combinations of pusher jack matrix.Therefore,, when compound needle 11 is assemblied in to needle tray, the free degree of distortion increases, and can easily carry out operation.

In addition, as shown in Fig. 7 (c), on two blades 16,17, in the front portion of recess 16b, 17b, bend 16h, 17h are set, the part that becomes front and back of bend 16h, 17h can bend mutually.

Claims (3)

1. the compound needle of a horizontal volume machine, the compound needle of described horizontal volume machine is accommodated in the needle tray being set up in parallel on the needle-bar of horizontal volume machine as the knitting needle of assembled state, described compound needle disposes respectively the pusher jack of the top that becomes face side and becomes the pin main body of the below of bottom surface side

Pin main body can move back and forth along needle tray on fore-and-aft direction, so that anterior pinhock is with respect to tooth mouth advance and retreat,

Pusher jack is combined to form by pusher jack matrix and two blades, can carry out with respect to the relatively moving of the fore-and-aft direction of pin main body,

It is characterized in that,

In the combination of pusher jack matrix and two blades, the combination range of predefined length is set on fore-and-aft direction,

The front holding section of the front end of combination range is by being arranged on the jut on each blade and being arranged on pusher jack matrix and the slit portion that holds above-mentioned jut forms,

The middle holding section of the centre of combination range forms by being arranged on the recess on each blade and being arranged on pusher jack matrix and with the opposed protuberance of above-mentioned recess of blade, described protuberance can be accommodated the above-mentioned recess of two blades in being formed at the groove of leading section

The rear holding section of the rear end of combination range is by the rearward end of each blade and be arranged on pusher jack matrix and the notch that holds the rearward end of above-mentioned blade forms.

2. the compound needle of horizontal volume machine as claimed in claim 1, it is characterized in that, the notch of above-mentioned pusher jack matrix has the separating part limiting in the centre of width, so that the rearward end of above-mentioned two blades can not crossed moving medially of width.

3. the compound needle of horizontal volume machine as claimed in claim 1 or 2, is characterized in that, above-mentioned pin main body has:

Accepting groove, its bottom surface side at needle-bar extends ground opening along fore-and-aft direction, and accommodates the above-mentioned jut of above-mentioned two blades and the mid portion of above-mentioned recess; With

Pushing portion, under its state retreating the most with respect to pin main body at above-mentioned pusher jack, is housed in two blades accepting groove from the face side pushing of needle tray.

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