CN1275644A

CN1275644A - Stitch cam regulator for plain loom

Info

Publication number: CN1275644A
Application number: CN00118828A
Authority: CN
Inventors: F·施米德
Original assignee: H Stoll GmbH and Co KG
Current assignee: H Stoll GmbH and Co KG
Priority date: 1999-05-27
Filing date: 2000-05-27
Publication date: 2000-12-06
Anticipated expiration: 2020-05-27
Also published as: CN1123659C; JP2001020163A; DE19924333A1; EP1055755B1; PT1055755E; DE50007106D1; EP1055755A3; JP3463210B2; EP1055755A2; ES2222865T3

Abstract

The cams on the carriage of a flat bed knitting machine are adjusted by two stepping motors driving two pinions (93,95). One pinion (93) engages two racks (100,200) that move in opposite directions to adjust two cams for the needle sinkers. The other pi (95) moves a cam plate (300) with the other cam tracks (320,340,350,360).

Description

The adjusting device that is used for the Plain loom sitch cam

The present invention relates to a kind of adjusting device that is used for the Plain loom sitch cam, taking out and pushing away (Abzug-und Druck-) sitch cam especially for many cam systems of cam carrier.

According to moving back and forth of cam carrier, move in order to adapt to knitting needle, many cam systems of this cam carrier have good symmetrical structure.For the efficient Plain loom in modern times, the Plain loom of pushing-type sitch cam especially is housed, determine the knitting needle that each is independent by following factors, promptly whether constitute a coil or tuck, whether can pay or accept a coil, whether can finish a compound coil, perhaps not relate to knitting process.In addition, the coil dimension of knitting needle generation is determined by each independent knitting needle separately.Therefore, need different sitch cams in the mobile and holding position of determining.Except the coordination adjustment of each sitch cam, the acting in conjunction of sitch cam needs.

As everyone knows, move sitch cam, need to determine an independent mobile device, as a stepper motor or an electromagnet for each.This needs high running cost and big structure space, therefore not has the efficient Plain loom of many cam systems.

Described a kind of adjusting device of sitch cam in DE4337775A1, a total adjuster is used to regulate a plurality of sitch cams in this device, yet the control of Trianguli sitch cam can not enlarge knitting function.

The object of the present invention is to provide a kind of adjusting device of Plain loom sitch cam, it can have as far as possible little structure space and few control machine cost, and all Trianguli sitch cams have the knitting function of expansion.

The adjusting device that purpose of the present invention was described by when beginning realizes, feature is that two stepper motors are arranged, wherein the driving pinion of first stepper motor can be handled slide block simultaneously and two opposite balladeur train traffic direction adjusted, the manipulation plane of first sitch cam is by push-and-pull, the driving pinion of second stepper motor can be at balladeur train traffic direction adjusted cam slide, and described cam slide has the cam path that is used for the second and the 3rd sitch cam at least.Only first, second and the 3rd sitch cam are adjusted in phase by second stepper motor, for example, first, second can be the adjusting parts that extraction sitch cam, insertion sitch cam reach the kinking parts that act on simultaneously with sitch cam with the 3rd sitch cam.These two stepper motors are compared with the single driving of all sitch cams, only need little structure space, and operation is simple relatively.

The driving pinion of two stepper motors preferably directly acts on control slide block and cam slide.Like this, this control slide block and cam slide preferably have tooth bar.

Handle in order to reach low friction, two control slide blocks load by the chain of command of roller to first sitch cam.Equally, the second and the 3rd sitch cam can have roller.Each roller can be regulated by the manipulation cam of cam slide.In order to realize the swing of sitch cam, perhaps also move along straight line perpendicular to the balladeur train traffic direction, the cam path of cam slide has the cam segment that the balladeur train traffic direction departs from horizontal direction at least in part.

Sitch cam adjusting device of the present invention is described in detail by embodiment below in conjunction with accompanying drawing.

Fig. 1 is the Trianguli sketch that is used for mobile sitch cam;

Fig. 2 is the perspective view of adjusting device of the present invention;

Fig. 3 is the upward view of adjusting device shown in Figure 2 along the arrow directions X;

Fig. 4 is the upward view corresponding to Fig. 3, represents that this adjusting device is positioned at second adjusting position;

Fig. 5 is the upward view corresponding to Fig. 3, represents that this adjusting device is positioned at the 3rd adjusting position.

Fig. 1 has shown a Triangulum 80 with two sitch cams 1 and 3, and this Triangulum is in outside mobile working position.On this position, sitch cam 1 and 3 is being pressed by a spring that does not show.Sitch cam 1 and 3 can tilt to move with respect to the cam carrier traffic direction that is indicated by arrow 8 along direction shown in the four-headed arrow.But kinking parts 2 and 4 are installed around

fulcrum

81 and 82 deflections ground.Kinking parts 2 and 4 with sitch cam 1 and 3 constitute Triangulum 80 sitch cam move back circle part (Abzugschlossteil), it is in home position equally, promptly in its position to intrinsic deflection.In order to move these kinking parts 2 and 4, sitch cam 22 and 42 constitutes the adjusting parts.These parts 22 and 42 can move on the vertical direction that four-headed arrow indicates.Sitch cam 22 and 42 straight line move by drum 21 and 41 and realize that they are installed on kinking parts 2 and 4, and by the control cam guidance on sitch cam 22 and 42.

Sitch cam 22 and 42 also has

roller

20 and 40, and by their help, sitch cam can be regulated by the adjusting device of describing in Fig. 2 to 5.Kinking parts 2 and 4 are positioned at home position by means of the spring action that does not show equally.

In addition, two

pressing plates

5 and 6 also are housed on this Triangulum 80.Pressing plate 5 can operating position 5 and outside regulate between the pan position 5 '.Pressing plate 6 can be outside operating position 6, first pan position 6 outside the pan position 6 ' and second " between regulate.At pressing plate, or

roller

50 and 60 are installed on the attaching parts between

pressing plate

5 and 6, pressing

plate

5 and 6 can be regulated by roller.

By suitably regulating sitch cam 1,3, kinking parts 2,4, pressing

plate

5,6, and a needle selecting device that does not show can enough be realized different knitting types.

For knitting elongated coil, during as production 1+1 rib fabric, sitch cam 1 and kinking parts 2 are in home position shown in Figure 1.Sitch cam 3 outwards moves to the operating position corresponding to desirable coil dimension.Kinking parts 4 are positioned at its home position.When pressing plate 6 was adjusted to outside it pan position 6 ', pressing plate 5 was positioned at its home position.

In order to produce circular coil, as when producing flat pin weft-knitted fabric, sitch cam 1 and 2 remains on home position, and sitch cam 3 outwards moves to the operating position corresponding to desirable coil dimension, and kinking parts 4 move to the operating position, i.e. the position of its ragged edge.Pressing plate 5 continues to remain on the operating position, and pressing plate 6 is positioned at outer pan position 6 '.By moving of kinking parts 4, the kinking plane that can produce a broad can produce multiple circular coil thus.

In order to make a tucked loop, sitch cam 1 and kinking parts 2 keep home position, and sitch cam 3 is positioned at the operating position corresponding to desirable tucked loop size, and kinking parts 4 remain on home position.Two

pressing plates

5 and 6 are in its operating position.

One coil should be able to be changed, and therefore, sitch cam 1 can be directed into the darkest operating position.Kinking parts 2, sitch cam 3 and kinking parts 4 are maintained at home position, and pressing plate 5 is adjusted to operating position 5 ', pressing plate 6 is positioned at outer pan position 6 ".

In order to make compound coil (Splitstitche), sitch cam 1 is directed into the darkest operating position.Kinking parts 2 place home position.Sitch cam 3 is corresponding to the operating position of desirable this compound coil size.Kinking parts 4 place home position.Pressing plate 5 is positioned at operating position 5 ', and pressing plate 6 places outer pan position 6 ".

In the triangle sledge movements direction opposite with four-headed arrow 8, sitch cam 1 and 3 and these kinking parts 2 and 4 exchange its roller respectively, otherwise, will keep the production of aforesaid different knitting types to regulate.

Fig. 2 to 5 has shown adjusting device 90, and by this adjusting device 90, each

sitch cam

1,3,2,4 and 5,6 can be in desired location, so that produce with different knitting types.In Fig. 2, adjusting device 90 has two stepper motors 92 and 94.Motor 92 and 94 is installed on the plain bonnet 91, at the direction downside that is indicated by arrow X, two

slide blocks

100 and 200 is arranged, and a cam slide 300.

Fig. 3 shows the upward view of plain bonnet 91 an adjusting device, and in this position, all sitch cams are in the outer operating position of moving.Top stepper motor 92 has a driving pinion 93, and following motor has a driving pinion 95.Driving pinion 93 and the engagement of the tooth bar on

slide block

100 and 200 drive two tooth bars thus and in the opposite direction move.A roller 101 is installed by central authorities at slide block 100, in the central authorities of slide block 200 roller 201 is installed.Referring to Fig. 1, by roller 101,201, this sitch cam 1 and 3

plane

10,30 and 11,31 are respectively by push-and-pull (beaufschlagen).Thus, this stepper motor 92 and

tooth bar

100 and 200 move back the circle part as the adjusting device of sitch cam 1 and sitch cam.

The driving pinion 95 of motor 94 meshes with the tooth bar of cam slide 300, and according to this engagement, four cam paths 320,340,350 and 360 enter duty.The roller 20 of sitch cam 22 and cam path 320 engagements are to regulate kinking parts 2.The roller 40 of sitch cam 42 and cam path 340 engagements are to regulate kinking parts 4.The roller 50 of pressing plate 5 and cam path 350 engagements.The roller 60 of pressing plate 6 is directed in cam path 360.Each cam path 320,340,350 and 360 has the cam segment of the horizontal direction that the balladeur train traffic direction departs from, and thus,

sitch cam

1,3,22,42,5 and 6 can move on direction shown in Fig. 1 arrow.

The adjusting device that shows among the adjusting device 90 that shows in Fig. 4 and Fig. 3 is corresponding, and this adjusting device 90 is used for the braiding of elongate coil.Stepper motor 92 and pinion 93 thereof fully rotate, and arrive this position until this slide block 100, and on this position, roller 101 makes sitch cam 3 be driven to the required knitting position of respective coil size by plane 30.Meanwhile, slide block 200 oppositely moves in identical highway section.Like this, this roller 201 does not drive the plane 11 of sitch cam 1.Sitch cam 1 is positioned at home position.Stepper motor 94 so moves this cam path 300 by pinion 95, and promptly

roller

40 and 50 is in basic status, and roller 60 moves to a darker position by cam path 360.The outer pan position 6 ' of the corresponding pressing plate 6 in this position.

In Fig. 5, shown the adjusting of producing compound coil, stepper motor 92 moving

sliders

100 and 200 so far away, move sitch cam 1 to its darkest operating position until roller 101 by plane 10, and roller 201 advances knitting position by plane 31 with sitch cam 3, and this position is corresponding to the required size of compound coil.Stepper motor 94 is by pinion 95 translating cam grooves 300 like this, and promptly

roller

20 and 40 is positioned at home position.Roller 50 moves to a darker position by cam path 350, and this position correspondence the operating position 5 ' of pressing plate 5.Simultaneously, roller 60 moves to a darkest position by cam path 360, and this position correspondence the outer pan position 6 of pressing plate 6 ".Only by two

stepper motors

92 and 94, can regulate

whole sitch cams

1,3,2,4,5 and 6 with little structure space and mechanically actuated cost.

Claims

1, a kind of adjusting device that is used for the Plain loom sitch cam, take out and push away sitch cam especially for many cam systems of cam carrier, it is characterized in that, said sitch cam has two stepper motors (92,94), wherein the driving pinion (93) of first stepper motor (92) can be handled slide block (100 simultaneously and two opposite balladeur train traffic direction (8) adjusted, 200), first sitch cam (1,3) manipulation plane (10,30,11,31) by push-and-pull, the driving pinion (95) of second stepper motor (94) can be at balladeur train traffic direction (8) adjusted cam slide (300), and described cam slide has and is used for the second and the 3rd sitch cam (22 at least, 42,5,6) cam path (320,340,350,360).

According to the device of claim 1, it is characterized in that 2, the driving pinion (93,95) of two stepper motors (92,94) directly drives handles slide block and cam slide (100,200,300).

3, according to the device of claim 2, it is characterized in that, handle slide block and cam slide (100,200,300) and have tooth bar.

4, according to the device of one of claim 1 to 3, it is characterized in that two manipulation planes (10,30,11,31) of handling slide block (100,200) by roller (101,201) push-and-pull first sitch cam (1,3).

5, according to the device of one of claim 1 to 4, it is characterized in that, the second and the 3rd sitch cam (22,42,5,6) has roller (20,40,50,60), and said roller can pass through cam path (320,340,350, the 360) guiding of cam slide (300).

According to the device of one of claim 1 to 5, it is characterized in that 6, the cam path of cam slide (300) (320,340,350,360) has the cam segment that balladeur train traffic direction (8) departs from horizontal direction at least in part.

7, according to the device of one of claim 1 to 6, it is characterized in that, first sitch cam (1,3) is for taking out sitch cam, the adjusting parts of taking out sitch cam (1,3) of second sitch cam (22,42) for working with kinking parts (2,4), and the 3rd sitch cam (5,6) is for pushing away sitch cam.