CN202830293U

CN202830293U - Compacting equipment of spinning machine

Info

Publication number: CN202830293U
Application number: CN 201220359374
Authority: CN
Inventors: G.施奈德; R.内格利
Original assignee: Maschinenfabrik Rieter AG
Current assignee: Maschinenfabrik Rieter AG
Priority date: 2011-07-25
Filing date: 2012-07-24
Publication date: 2013-03-27
Anticipated expiration: 2022-07-24
Also published as: CH705309A1; EP2551388A3; EP2551388B1; JP6037695B2; EP2551388A2; JP2013023807A

Abstract

The utility model relates to compacting equipment of a spinning machine, in particular to suction equipment which is used for pneumatic compacting fiber materials passing through a suction area of a circumferential compacting element provided with a hole and is applied to compacted air of at least one suction unit. The suction unit is provided with a suction hole and a suction element, wherein the suction hole is connected to a suction passage of the suction unit, a first end portion of the suction element is directly or indirectly connected to the suction passage of the suction unit, the suction element comprises a guide device and a maintenance component, the at least one suction unit is maintained on a second portion of the suction element through the maintenance component, a suspension hoisting pipe is connected to the suction element in a rigid mode, and leads to a rubber elastic body support element, and the support element is communicated with a central suction passage through another pipe. The suspension hoisting pipe is designed to be in a split type, and a second section, leading to the support element, of the suspension hoisting pipe is firmly fixed in a pivot rotation mode around a pivot rotation axis on a plane relative to a first section of the suspension hoisting pipe fixedly connected to the suction element.

Description

The compacting equipment of spinning machine

Technical field

The present invention relates to the pumping equipment for the compacting air that is used at least one pump unit of pneumatic compacting fibrous material of preamble according to claim 1.

Background technology

DE 101 45 444 A1 disclose a kind of device, and wherein in order to compensate fixedly pump unit with column pipe and the subsequently tolerance between the bearing position on the frame, suction element is attached as " float " in the bearing position zone.Suction element wherein is communicated with compacting element (pump unit).The solution regulation that illustrates produces the tolerance of (owing to manufacturing, machine heating in service etc.) by compensating with elastomeric support.The present invention proposes a kind of rubber elastomer supporting member, compensate thus any mass-dependent bias of the position of relative to each other the longitudinal direction of spinning machine (especially along) between suction element and the bearing position.Yet adversely, the use of this rubber elastomer part has demonstrated the inner surface that the fiber grain that carries can be attached to these parts in air-flow.Correspondingly, there is the pollution risk that significantly improves in these positions.Cause like this requirement must clean more continually these positions, occur breaking in these compacting positions owing to not enough negative pressure in order to prevent.

Summary of the invention

Correspondingly, the present invention attempts to eliminate the defective of known arrangement, still guarantees simultaneously to fixing pump unit and for the subsequently compensation requirement of the quality located in connection tolerance between the bearing position of the column pipe that is connected to pump unit.

This purpose realizes by proposing a kind of column pipe, it is designed to two parts, and wherein the second segment that leads to supporting member of column pipe is fastened pivotly around pivot axis in horizontal plane with respect to the first paragraph of column pipe, and column pipe is attached to suction element rigidly.This structure allows the tolerance in the pivot axis direct compensation location of two parts formula column pipe, and can omit long caoutchouc elasticity in the supporting member with guide member.The guidance field that travels through for air that means like this pumping part inside can be designed as smooth and does not have attachment fiber, and this has been avoided any adhesion of fiber in pumping equipment inside.

In addition, but the first paragraph that has proposed column pipe extends in the pivotal attachment zone by its free end and extends in the second segment of column pipe, thereby produce overlappingly between the end of the first paragraph of column pipe and second segment, and the first paragraph of column pipe and second segment have oval-shaped profile in overlapping region.

Make it possible to like this not be transitioned into second segment from the first paragraph of column pipe with breaking; And wherein oval-shaped profile provides the horizontal mobility of pivot position.

Advantageously, the first paragraph of column pipe has the axis of vertical location in the overlapping region on the outer surface up and down, this Axis Extension is arranged on to the direction along first paragraph in the one-sided open recess at end place of second segment of column pipe, is used for supporting pivotly the second segment of column pipe.Allow so easily assembly and disassembly two parts formula column pipe.

In order effectively the crossover position of two pipeline sections and environment to be separated, proposed with the overlapping region of the second segment of column pipe in the first paragraph of column pipe circumferential seal is set.

For the reason of making, seal is extended by the excircle around the first paragraph of column pipe and consists of with sealing lip that the first paragraph of column pipe connects as one is favourable.Guarantee so cost-effective manufacturing, and in the zone of described pivot position, guaranteed best and safe sealing function simultaneously.

In order to regulate pivot position in order to be implemented in sealing function between two pipeline sections that any pivot position guarantees, the invention allows for, about pivot axis, the overlapping region of the in-profile of the exterior contour of the first paragraph of column pipe and the second segment of column pipe extends along arc radius with respect to pivot axis.The inner surface of having guaranteed like this seal and the second pipeline section any pivot position evenly and contact reliably.

In order easily two parts formula column pipe to be connected to coupled position subsequently, the clear section of second segment that has proposed column pipe towards its free end, is changed to the smallest circular section from oval-shaped profile from overlapping region.

To describe in further detail and illustrate other advantages of the present invention among the embodiment below.

Description of drawings

Fig. 1 is the diagrammatic side view of yarning position with ring throstle of drawing rollers, and drawing rollers have compacting equipment and two parts formula column pipe of the design according to the present invention.

Fig. 2 is the X enlarged partial view according to Fig. 2, has the compacting equipment of two adjacent settings of cylindrical drafting system.

Fig. 3 is the enlarged diagram according to the pivot position of two parts formula column pipe of Fig. 2.

Fig. 3 a is the A-A cutaway view according to Fig. 3.

The specific embodiment

Fig. 1 represents the diagrammatic side view of the yarning position 1 of spinning machine (ring throstle), is illustrated in one of them drawing rollers 2 of two drawing rollers of setting adjacent one another are in the situation of cylindrical drafting system 2z.Drawing rollers 2 each be provided with the drawing rollers input to 3, drawing rollers central authorities to 4 and drawing rollers output to 5.Tape correspondingly around drawing rollers central authorities to advancing, drawing rollers central authorities remain on it to the support that more is not shown specifically around this paper the position are shown.The drawing rollers of mentioning are designed to compress roller to 3 to 5 top roller, and it is bearing on the pressure arm (not shown) that supports that can pivot via axle and has the ability that rotatablely moves of carrying out.Drawing rollers are connected to the unshowned driver of this paper to 3,4 and 5 bottom roll.It all is possible that the use of single driver and other drivers are selected (gear, cingulum etc.).Compression roller and/or their tape are by driven via friction by power-actuated bottom roll.Drawing rollers to 4 circumferential speed slightly higher than drawing rollers to 3 circumferential speed, mean as rove L to be subject to inputting drawing rollers to 3 with during the preliminary draft of central drawing rollers between to 4 that fibrous material is fed into drafting unit 2.The main drawing-off of fibrous material L occur in central roller to 4 and delivery roller between 5, wherein delivery roller has apparently higher than central roller 4 circumferential speed 5.In this example, delivery roller is provided with compacting equipment VV to 5.

Compacting equipment VV wherein comprises by axle 8 power-actuated suction drums 6.What be associated with suction drums 6 is pressure roller 9, and itself and the former consist of jaw P1.As can be from the schematic enlarged diagram Fig. 2 be seen, suction drums 6 and with axially side by side the suction drums 6a that is associated with suction drums 6 of mode be provided with the hole OE that is configured on its circumference.The back of pressure roller 9 has clamping roller 7(to be also referred to as twisting resistance roller), it is bearing in suction roller 6(and/or 6a) circumference on and with it in conjunction with consisting of jaw P(Fig. 1).Suction district Z is arranged between jaw P1 and the P, and the fibrous material V that is wherein discharged by jaw P1 is compacted by the effect of aspirating air.This compacting process is substantially known in the art, and description has been arranged in the prior art open source literature.Therefore will not relate in more detail herein.Lid 13 appends to and is being used for during the compacting process above the suction district of steering current.The compacting yarn G that discharges via jaw P on the clamping roller 7 is directed to the below via the thread-carrier 43 of the ring throstle that is schematically shown.Thread-carrier 43 is provided with ring 39 and chute 40, and wherein yarn G is wrapped in the cop for generation of reel 42() sleeve 41 on.Ring 39 is fastened to the ring stand 44 that execution moves up and down during spinning process.

Pump unit

10,10a are arranged on suction drums inside, in order to generate the suction air in the zone of the compacting zone Z of

corresponding suction drums

6,6a; This can see in the X zoomed-in view (according to Fig. 1) in Fig. 2 especially well.For clearer, in Fig. 2, omitted the input roller to 3 and central roller to 4 and the view of pressure roller 9 and clamping roller 7.The pump unit 10 of suction drums 6 comprises suction slit (suction socket) 11, and the zone with hole OE on itself and suction drums 6 inboards is oppositely arranged, and hole OE is arranged on the circumference of suction drums 6.

Suction slit 11 is connected to the suction channel 12 that is additional to pump unit 10 inside; And suction channel 12 leads to the delivery outlet O1 of the flange F 1 that is anchored on pump unit 10.Another suction drums 6a and suction drums 6 are arranged on the axle 8 coaxially, wherein are provided with pump unit 10a, and pump unit 10a is additional in the mode with respect to pump unit 10 mirror image symmetries.Wherein pump unit 10a also comprises the suction slit 11 that leads to suction channel 12.The delivery outlet O2 of suction channel 12 is arranged in the flange F 2 that is connected to pump unit 10a.Because the fact of pump unit substantially the same (except their mirror image is implemented), part is described these pump units with identical reference marker.

Delivery outlet O1, the O2 of each flange F 1, F2 and the input hole O that is fastened to the column pipe 22 of suction element 15 relatively arrange.For two

pump units

10,10a are remained on its operating position as shown in Figure 2, flange F 1, F2 are fixed on appropriate position by the damper 17 that supports pivotly around pivot 18.Damper 17 comprises as shown in Figure 1 in its closing position and is bonded on door bolt 28 in the recess of guide 16 that guide 16 is attached to suction element 15 and does not illustrate in greater detail.

Column pipe 22 comprises the first paragraph 23 that is fixedly connected to suction element 15, and the second segment 24 of column pipe is configured in overlapping region ü on this first paragraph 23 pivotly.Wherein second segment 24 can pivot in horizontal plane E around the pivot axis 25 of approximately vertically locating.As can be seeing in the enlarged diagram among Fig. 3, the second pipeline section be overlapping with the excircle D1 of its inner periphery D2 and pipeline section 23.As for example can be from the A-A cutaway view (according to Fig. 3) Fig. 3 a is seen, in having the overlapping region ü of overlapping size d, each has oval-shaped profile Q, Q1 the end S2 of the free end S1 of the first pipeline section 23 and the second pipeline section 24.Thereby circumferential seal D extends and the uniform distance of its maintenance with small distance s about the end of pipeline section 23.Seal D is arranged between the inner periphery D2 of the excircle D1 of pipeline section 23 and pipeline section 24.At S1 place, the end of pipeline section 23, respectively centering and relatively a fastening pivot axis 25, and the end S2 of pipeline section 24 pushes away on pivot axis 25 by recess 27.Recess 27 sizes are confirmed as, prevent any from shown in be not intended to the breaking away from of assembling position.In order to allow pipeline section 24 around the pivoting action of axis 25, the end S1 of pipeline section 23 is provided with radius R 1 along the radial direction relevant with pivot axis 25.This means that pipeline section 23 is tapered towards the end with radius R 1 in the zone of pivot plane E.Similarly, the end S2 of pipeline section 24 has inner periphery D2 in overlapping region ü, and inner periphery D2 is tapered with radius R 2 in pivot plane E.Guaranteed that like this second pipeline section exposes with an angle around pivot axis 25, and wherein all kept equably contacting with inner periphery D2 at any pivot position seal D.Therefore, by this pivot position, can the compensation meeting at compacting equipment and be used for following the alignment tolerance that occurs between the coupled position of column pipe thereafter.The second end S2 of the pipeline section 24 of column pipe 22 has circular section and flange 32, and flange 32 is bonded on when being in latched position in the recess 33 of supporting member 30.Another pipe 34 additionally is bearing in this supporting member 30, and its other end leads to the central suction channel 37 that is connected to negative pressure source UP via coupling 35.Be provided with the semicircle adminicle EF that inserts, so as during it to be assembled in the recess 33 of supporting member 30 easy conveyance column pipe 22, its direction along supporting member 30 has the conical tapered inner surface.The supporting member 30 that is typically designed to rubber element comprises circumferential groove 36, and supporting member 30 is fastened to frame MR by this circumferential groove 36.Particularly because use the suction tube 22 of split, thereby in the supporting member zone, no longer need tolerance compensating, so can make now minimizing apart from m between the end S3 of pipeline section 24 and the follow-up pipe 34.Like this, guaranteed basically to advance through the non-smooth interior surfaces of adhering to of pumping equipment by taking out the fibrous material that air carries.On the other hand, this has reduced the pollution risk of suction system inside, and it provides the service intervals that prolongs on the other hand simultaneously.

Claims

1. carry out into through the circumference compacting element (6 of porose () is set for Pneumatic pressure for one kind, the fibrous material (V) of suction district 6a) (Z) be used at least one pump unit (10, the pumping equipment of compacting air 10a), and wherein said pump unit (10,10a) be provided with suction socket (11), suction socket (11) is connected to suction channel (12) and the suction element (15) that is combined in the pump unit, suction element (15) is connected to described pump unit (10 directly or indirectly at its first end (E1), suction channel 10a) (12), and comprise guide (16) and holding member (17), described at least one pump unit (10,10a) keep by described holding member (17), and comprise column pipe (22) at the second end (E2), column pipe (22) is connected to rigidly described suction element (15) and leads to rubber elastomer supporting member (30), supporting member (30) is communicated with central suction channel (37) by another pipe (34), it is characterized in that, described column pipe (22) is designed to two parts formula, and the second segment that leads to described supporting member (30) (24) of described column pipe (22) is fastened to the first paragraph (23) of described column pipe (22) pivotly around pivot axis (25) in horizontal plane (E), first paragraph (23) is fixedly connected to described suction element (15).

2. pumping equipment as claimed in claim 1, it is characterized in that, the first paragraph (23) of described column pipe (22) but in pivotal area, extend, by its free end be fastened to column pipe second segment (24) thus in and between the end of the first paragraph of column pipe (22) and second segment, produce crossover region (ü), and the first paragraph of wherein said column pipe and second segment (23,24) have oval-shaped profile (Q, Q1) in overlapping region (ü).

3. pumping equipment as claimed in claim 2, it is characterized in that, the first paragraph (23) of described column pipe (22) has respectively the axis (25) of vertical location in the overlapping region (ü) on the outer surface up and down, the direction that axis (25) extends to the first paragraph (23) along column pipe is arranged in the one-sided open recess (27) at place, end of second segment (24) of column pipe (22), is used for supporting pivotly the second segment (24) of column pipe (22).

4. pumping equipment as claimed in claim 1 or 2, it is characterized in that, the first paragraph (23) of described column pipe (22) is provided with seal (D), seal (D) with the overlapping region (ü) of the second segment (24) of described column pipe in extend around excircle.

5. pumping equipment as claimed in claim 4, it is characterized in that, described seal is made of the circumferential sealing lip (D) that the excircle around the first paragraph (23) of described column pipe (22) extends, and circumferential sealing lip (D) connects as one with the first paragraph (23) of described column pipe (22).

6. such as wherein described pumping equipment of claim 1 to 5, it is characterized in that, about pivot axis, the exterior contour (AK) of the first paragraph of described column pipe (22) extends with the arc with radius (R1, R2) about pivot axis (25) with the in-profile (IK) of the second segment of described column pipe (22).

7. pumping equipment as claimed in claim 6 is characterized in that, the clear section of the second segment (24) of described column pipe (22) plays its free end from overlapping region (ü), is changed to smallest circular section (K1) from oval-shaped profile (Q1).

8. wherein column pipe of the pumping equipment of a use that is used for according to claim 1 to 7.