CN1626710A

CN1626710A - Spinning machine comprising a suction system

Info

Publication number: CN1626710A
Application number: CN 200410100646
Authority: CN
Inventors: L·马利纳; A·里歇
Original assignee: Maschinenfabrik Rieter AG
Current assignee: Maschinenfabrik Rieter AG
Priority date: 2003-12-11
Filing date: 2004-12-10
Publication date: 2005-06-15
Also published as: JP2005171476A

Abstract

The invention relates to a spinning machine including a suction system at the spinning position. The outlet of the spinning position opens via plural suction pipes with the different function and at least a passage, which is characterized in that in one passage comprising plural portion passages, negative pressure is generated by plural fans at the center or connected with the portion passages, and all passages are provided at the center of a fine spinning frame so as to be spatially separated from each other by installing a partition plate.

Description

The spinning machine of band suction system

Technical field

The present invention relates to by the described a kind of spinning machine of independent claims preorder.The present invention be more particularly directed to a kind of for example spinning machine of DE101 45 426.0 described beaming devices that comprises.

Background technology

The spinning machine of making yarn is preferably the ring spinner of bilateral design, and wherein two row's yarning positions are connected with one or more suction channels.This class spinning machine is referring to DE 36 11 824 and DE 38 10 588.

As the mechanism of spinning makes each yarning position and comprises some suction section, particularly two suction section, then uses single suction channel to be communicated with suction tube from the different suction position of yarning position or is connected with suction channel respectively from the similar suction position of yarning position.In ring spinner, suction section is connected with first suction channel in the drafting system exit, and be positioned at the drafting system downstream beaming device suction section be connected with second channel that first passage separates.

According to prior art, aspirate and aspirate required negative pressure from drafting system and can be added on each yarning position as follows from beaming device:

1, common aspirator is used for single main channel (aspirating from drafting system and beaming device).

2, combine from passage and some yarning positions of drafting system and beaming device suction, wherein generate negative pressure with servicing unit.

3, in spinning machine or above the suction channel of suction channel and beaming device of drafting system separate, each passage has the aspirator of oneself.

Summary of the invention

The suction system that the purpose of this invention is to provide a kind of compactness, economy.

This purpose is by realizing by the described a kind of suction system of the feature of independent claims.Dependent claims relates to preferential embodiment.Further independent claims and dependent claims thereof are derived from described system.

Spinning machine suction system of the present invention is characterised in that the several portions passage is positioned at spinning machine central authorities drafting system below, thereby similar suction tube is communicated with each suction tube of the yarning position that is used for spinning machine, different suction tubes are positioned on the difference of spinning machine yarning position, carry out difference in functionality.

Therefore, according to the present invention, this system distributes to each yarning position to negative pressure below spinning machine central authorities drafting system is tight.Identical with above-mentioned 1 scheme, with the last position of spinning machine go up, particularly the central means on spinning machine one end generates negative pressure.But different with 1, this passage is divided into: separately transmit in spinning machine from drafting system and promptly spatially spaced-apart from the air-flow of beaming device suction.Its advantage is with regard to energy and technology, can be adjusted to the best to the negative pressure of at least two passages independently of each other.Passage or part passage are arranged on central authorities can simplify 2 and 3 described schemes greatly.

According to the status requirement of yarning position or the yarning position that begins to aspirate, optimal design is to adjust the cross section of the passage that aspirates from drafting system and beaming device.Can imagine some different embodiment for this reason.

In compound passage or several portions passage, generate negative pressure in central authorities or by some with the channel attached device of part, thereby all passages are positioned at spinning machine central authorities, particularly each passage is spatially spaced-apart with dividing plate.But also available two or more parallel to each other, next-door neighbour the implementation space, autonomous channel on separate.But in each passage or the part passage or similar some passages or the negative pressure independent regulation in the part passage, thereby the negative pressure difference of each passage.Air-flow is introduced before each passage or the part passage, after air container in the middle of, just continues to be admitted to main channel or each several part passage by a hole that is used for all relevant yarning positions from some air trappings that are called regional yarning positions suction.Preferably, above other part passages, connect nozzle from a part passage of beaming device suction air so that firmly fix it.Change the negative pressure that central authorities generate with an aspirator or fan or some this class devices by one or more variable-speed motors, available frequency changer changes rotating speed, or uses the changeable impeller of its geometry, so that regulate required negative pressure according to the application scenario.Pigtail valve in the available channel or on the conduit wall or guiding valve change the negative pressure in the passage in addition.The available control device of required adjusting device that comprises is adjusted to the best to the suction negative pressure of drafting system.As handling spinning machine with data processor and corresponding intrument, then can according to the number of yarns that will spin, selected drawing-off value and for example the mandrel rotating speed use above-mentioned adjusting device constantly to calculate, regulate best negative pressure.Because the source of the output of each passage is different and separately spread out of, therefore can for example in filter, separately filters and dispose separately or reuse.

Description of drawings

Below in conjunction with description of drawings the present invention.In the accompanying drawing:

Fig. 1 is the profile that the spinning machine of the central suction channel of three ventilations is arranged;

Fig. 2 is an embodiment of this suction channel;

Fig. 3 is the two channel cross-section figure that arrange up and down;

Fig. 4 is two parts channel-type structure up and down;

Fig. 5 is the profile of three ventilation passages;

Fig. 6 is the plane of three ventilation suction systems and fan;

Fig. 6 a, 6b illustrate the air-flow in these passages; With

Fig. 7 a, 7b example illustrate being connected of suction tube and part passage.

The specific embodiment

According to the profile of spinning machine 10 shown in Figure 1, suction system 30 is positioned at this spinning machine central authorities drafting system 20 belows, thereby first, second is positioned at frame 14 tops with

third part passage

32a, 32b, 32c, is supported on the horizontal plane of plate 12.In the spinning machine, the some plates 12 that are equally spaced and connect by the longitudinal component in the frame 18.The left side of the symmetrical plane E of spinning machine central authorities that dots and the drafting system 20 and the yarning position 15 on the

right.Suction tube

32,34 is arranged on each yarning position in drafting system 20 zones.The charger 24 that comprises the roller relative with three cylinders 5,6,7 is arranged in drafting system 20 illustrated embodiments, and there is the aspirator 7a that is connected with passage 32b through suction tube 34 last cylinder inside.On the other hand, the suction tube 32 that is used for the drafting system of fibre structure is communicated with part passage 32c.Cylinder 22 generally can be the suction cylinder, but also can be at the ventilative conveyer belt that is directed at least two deflections as annular circulation portions.As mentioned above, the objective of the invention is the left side or yarning position 15 tops that drafting system 20 also is arranged in the E of central plane shown in the dotted line.The passage 32a of first be used for holding from the spinning machine left side of the right drafting system symmetry on the air of suction tube suction of drafting system.Drafting system 20 is fixed on and is stretched on the suction system 30, is supported on the frame 12a on the plate 12.Cylinder 7 and perforated surface and be positioned at its below suction pieces 7a combination as yarning position 15 as reel for yarn around the beaming device 11 of elongated fibers structure.

Structure shown in Figure 2 is identical with Fig. 1,

part passage

32a, 32b, 32c be designed to also can be in spinning machine the independent mutually self-isolation passage of arranging.For example center-aisle 32b can remove from the spinning machine that does not comprise beaming device.

According to Fig. 3, suction system 30 can be by two

passage

32a, 32b combine up and down.The suction tube 34 that is used for sealing is communicated with upper channel, and the suction tube 32 of drafting system is communicated with lower passage.Suction system 30 shown in Figure 3 is the inner main channel that horizontal baffle is arranged, and according to Fig. 4, this two

parts passage

32a, 32b also can be the self-supporting passage of arranging up and down.32ab represents dividing plate.

As shown in Figure 4, the 32c of another passage shown in

part passage

32a, 32b and Fig. 1 or 2 can be connected on plate 12 and/or the frame 12a with lug 56a, 56b.For this reason, also can be designed to U-shaped spare 56c between frame 12a and the part passage 32b or the hook-type black iron spare 56d between frame 12a,

part passage

32b, 32a and the plate 12 to

connector.Part passage

32a, 32b, 32c preferably are contained in the spinning machine before and after longitudinally, thereby improve the stability of spinning machine loading structure with plate 12 and longitudinal component 18.

In Fig. 5, represent with same numeral with Fig. 1,2 or 4 identical parts, the design of

part passage

32a, 32b, 32c is shown especially.

Part passage

32a, 32b, 32c are made of plate 60b and the connector 60c that two flute profiles surface 60a, side direction stagger, and the end of described

parts

60a, 60b, 60c contacts with each other, is fixed together with clamping element 60d.Connector shown in the with dashed lines, bolt, screw and the lug 56a, the 56b that are connected with frame 12a or plate 12 with screw connect then.Like this, the structure of suction system or

part passage

32a, 32b, 32c can be very firm and economical.Miscellaneous part among Fig. 5 is identical with Fig. 1.For example, in Fig. 5, the drive unit 40 of the ring ingot frame 41 of ring spinning apparatus is shown, makes ring ingot 42 on spindle 15 ' length direction, vertically move, line is wound up on the bobbin.

Fig. 6 is the vertical view that the suction system 30 of three

part passage

32a, 32b, 32c is arranged.Three

part passage

32a, 32b, 32c are communicated with at an end opposite with fan 330, so air-flow can flow into other passages from a passage at this end.One or more pigtail valves or guiding valve 326 on the described tunnel ends can be in diverse location, thus plane 320 or 322 move, make air-flow on two longitudinal directions of passage, flow.Like this, prevent that fine hair etc. is deposited on these planes.As shown in Figure 6, pigtail valve 326 (dotted line) can be pivoted to and prevent that air-flow from flowing into the complete closed position of part passage 32c from part passage 32a, 32b.Two the pigtail valves that can regulate respectively are set as shown in the figure, just can be by adjusting the pigtail valve or guiding valve is mutually symmetrical or away from, the air pressure size between

control channel

32a, 32b and the 32c.In addition, also can use another pigtail valve 327 control air-flows at one end in the fan 330f of these passages institute.The air input blast pipe 332 that is aspirated.As described in conjunction with Fig. 5, the suction tube 34 of beaming device 11 is connected with center-aisle 32b, and the suction tube 32 of drafting system 20 is connected with external channel 32a, 32c.This structure is also nonessential; Also can import external channel 32a from the air of beaming device 11 suctions, and import center-aisle 32b through suction tube 34 from the air of drafting system 20 suctions through suction tube 32.Motor 330d drive fan 330f, frequency converter 330e changes the rotating speed of motor.Can change the geometry of impeller 330g by adjusting vane 330k.Having the pigtail valve of adjusting device 327 is connected with the also control device 330h of control of conversion device 330e.

Sensor 330m can be arranged among

passage

32a, 32b, the 32c, is preferably disposed on channel end, and on spinning machine one side opposite with fan 330, described sensor is used for monitoring air pressure.They are connected with control device 330h.If for example the part passage of Fig. 6 middle and upper part passage 32a is more or less blocked, then the air pressure in this passage changes, thereby absolute pressure rises or negative pressure descends.Sensor 330m is shown in dotted line to be connected with control device 330h, is used for detecting barometric fluctuation.Use the control program among the control device 330h can generate the alarm signal that shows to the spinning machine operating personnel or send the signal that interrupts the spinning machine running.Also the signal that detects of available sensors 330m for example comes air pressure among control section passage 32a, the 32b by the rotating speed of regulating pigtail valve 327 or control fan 330a.Therefore can obtain the draught head among

part passage

32a, 32b, the 32c according to the different detected values of sensor

330m.Part passage

32a and 32b in the dotted line are used for representing that suction system includes only two

part passage

32a and 32b, thereby use the air pressure in top two sensor 330m monitor portion passages.

Fig. 6 also can have another kind of the explanation: flow into fan 332 behind the air inflow filter 330f of

part passage

32a, 32b, 32c suction.

Fig. 6 a stereogram illustrates three

part passage

32a, 32b, 32c, and pigtail valve 326 can pivot with guiding valve 38, thereby this guiding valve 38 can cover first hole 35 and second hole 36 in the centre position of guiding valve 38 or pigtail valve 326.As axle 326a guiding valve 38 or pigtail valve 326 are pivoted to position shown in Fig. 6 a counterclockwise, then open in second hole 36, and pigtail valve 326 is arranged in position shown in Fig. 6 dotted line.Air-flow among the passage 32c is bigger than normal operation down-off shown in the outside arrow of

passage

32a, 32b among Fig. 6 a as a result, so that clean this passage.Arrow shown in the dotted line has been represented from the hole 36 flow channel 32c, has been improved the air of throughput this passage.

Fig. 6 b illustrates the possible air-flow among

part passage

32a, 32b, the 32c with Fig. 6 a.In passage 32a the direction of a part of air-flow can with normal direction flow channel 32b on the contrary mutually.The end of

part passage

32a, 32b, 32c can be provided with some filters, to dispose the fine hair in passage respectively.Equally, can plurality of fans 330a, 330b, 330c be set in the end of

part passage

32a, 32b, 32c.Be control air pressure size or vacuum magnitude, the rotating speed of fan 330a, 330b, 330c must be different.For this reason, be connected with the motor 330d of drive fan by frequency converter 330e as mentioned above or use the reversible motor of polarity, thus the change motor speed.Label 330a, 330b, 330c represent filter and/or the fan on passage 32a, the 32b end.

According to Fig. 7 and 7a, suction tube 32 is connected with discharge or manifold 33, and manifold 33 can be connected with one of

part passage

32a, 32c through tube connector 33a again.Shown in A, the best oblique feeding main channel 32a of tube connector 33a.Manifold 33 extends in and is convenient on some yarning positions change, and changes in particular for sweeping.Each suction tube 32 can be used on the holder 33b that cooperates around the manifold 33 and is fixed on the manifold 33, and holder 33b can be with the circumference adjusted of suction tube 32 at manifold 33.Manifold is provided with path in suction tube 32 zones.Preferably be provided with sealing 33c between suction tube 32 and the manifold 33.

Fig. 7 b is identical with 7, and

part passage

33,32a and 33,32b are arranged on the spinning machine partial-length, and the

suction tube

32 and 34 that function is different is communicated with it, and these part passages are communicated with main channel 31.Can there be two fans 330 at passage 330 two ends.On the yarning position 32, be provided with the barometer 331 of the air pressure change that record do not allow among manifold 33 and/or the main channel 32a.Air pressure monitor device 331a can be designed to: be fixedly connected on the top of the pigtail valve in the suction channel, be fixedly connected with the little lug 331b from this passage projection, thereby thereby operating personnel can examine the shift in position of the barometric fluctuation identification pigtail valve of knowing in this passage.

Claims

1, the method for operating that has the spinning machine of the suction system (30) that is used for yarning position (15), the output of yarning position (15) is carried through the different suction tube of some functions (32,34) and at least one passage (32a), it is characterized in that, in a passage that constitutes by several portions passage (32a, 32b), generate negative pressure in central authorities or with some fans (330f, 330a, 330b) that are connected with part passage (32a, 32b), all channel arrangement use dividing plate (32ab) that each passage (32a, 32b) is separated in spinning machine central authorities especially.

2, by the described method of aforesaid right requirement, it is characterized in that, air-flow is introduced before each passage (32a) or the part passage, discharge or manifold (33), a hole that only is used for all relevant yarning positions (15) afterwards continues described air is sent into main channel (31) or part passage (32a) from some air trappings that are called regional yarning positions suction.

3, by the described method of one of aforesaid right requirement, it is characterized in that, with aspirator (330) or fan or some this class devices (330a, 330b, 330c), change the negative pressure that central authorities generate by one or more variable-speed motors (330d), available frequency changer changes rotating speed, or use the changeable impeller of geometry, so that regulate required negative pressure according to the application scenario.

By the described method of one of aforesaid right requirement, it is characterized in that 4, in addition, pigtail valve (326,327) in the available channel (32a) or on conduit wall or the dividing plate (32ab) or guiding valve change the negative pressure in the passage (32a, 32b, 32c).

5, by the described method of one of aforesaid right requirement, it is characterized in that, be adjusted to the best aspirating necessary negative pressure from drafting system (20) or beaming device (11) by control device (330h) and necessary pigtail valve and adjusting device (327).

6, by the described method of one of aforesaid right requirement, it is characterized in that, handle spinning machine with data processor and corresponding control device (330h), according to the yarn count that will spin, selected drawing-off value and spinning rotating speed, use above-mentioned adjusting device (327) constantly to calculate, adjust best negative pressure and the best negative pressure process on the cop stroke.

7, by the described method of one of aforesaid right requirement, it is characterized in that, respectively output is guided into each passage (32a, 32b), in filter (330a), filter respectively and dispose respectively or reuse from the difference source.

8, spinning machine, the suction system (30) that comprises this spinning machine yarning position (15), wherein, some suction tubes (32,34) are used for these yarning positions, at least one passage (32a) is used for described suction tube, it is characterized in that, several portions passage (32a, 32b, 32c) is arranged in spinning machine central authorities' drafting systems (20) below, have only the suction tube (32) of same type to be communicated with each suction channel (32a), different suction tubes are arranged on the difference of yarning position (15).

9, by the described spinning machine of one of aforesaid right requirement, it is characterized in that, in the passage that constitutes by several portions passage (32a, 32b), in central authorities or with some devices that are connected with part passage (32a, 32b) (330,330a, 330b), fan (330,330a) generation negative pressure, all channel arrangement separate each passage (32a, 32b) by introducing dividing plate (32ab) especially in spinning machine central authorities.

10, by the described spinning machine of claim 8, it is characterized in that, realize separating of suction system (30) with two or more passages (32a, 32b) parallel to each other, the next-door neighbour.

11,, it is characterized in that the negative pressure in available pigtail valve or guiding valve and adjusting device (326,327) the adjusting portion subchannel (32a, 32b) makes negative pressure difference in each passage by the described spinning machine of claim 8.

By the described spinning machine of claim 8, it is characterized in that 12, stretching between some yarning positions (15) and discharge or the manifold (33) has suction tube (32,34), this manifold is connected on main channel (31) or the part passage (32a) with tube connector (33a).

13, the described spinning machine of claim 8 is characterized in that, part passage (32b), preferably from the part passage of the suction air of beaming device (11) relatively other part passages (32a) be positioned at the top.

14, the described spinning machine of claim 8, it is characterized in that, available aspirator (330) or fan or some this class devices (330a, 330b, 330c), change the negative pressure that central authorities generate by one or more variable-speed motors (330d), for a change rotating speed can use the frequency converter (330e) or the adjustable impeller (330f) of band blade (330g) or the driving polarity of motor (330d) to reverse

15, by the described spinning machine of one of aforesaid right requirement, it is characterized in that, pigtail valve (326,327) or guiding valve are set in passage (32a, 32b, 32c).

16, by the described spinning machine of one of aforesaid right requirement, it is characterized in that, with control device (330h) the necessary negative pressure of suction that is used for from drafting system (20) and beaming device (11) is adjusted to the best, described control device is connected with adjusting device (327) with the pigtail valve.

By the described spinning machine of one of aforesaid right requirement, it is characterized in that 17, spinning machine comprises data processor and corresponding control device (330h), this control device is connected with the adjusting device (327) of regulating the negative pressure setting value.

By the described spinning machine of one of aforesaid right requirement, it is characterized in that 18, each passage (32a, 32b) is equipped with filter (330,330a) respectively.

19, by the described spinning machine of one of aforesaid right requirement, it is characterized in that the sensor (330m) of monitoring air pressure in part passage (32a, 32b).

20, by the described spinning machine of one of aforesaid right requirement, it is characterized in that, sensor (330m) is connected with control device (330h), thereby according to air pressure or the negative pressure in part passage (32a), measured, this control device can be given birth to a kind of signal, show air pressure and/or, control the air pressure in this part passage with one by regulating the rotating speed that pigtail valve (327) or control have the fan (330a) of the drive unit that is connected with control device (330h).

By the described spinning machine of one of aforesaid right requirement, it is characterized in that 21, yarning position (32) is gone up, be provided with the barometer (331) of the air pressure change that record do not allow among manifold (33) and/or main channel (32a).