CN101372297A

CN101372297A - Fiber dust collecting device

Info

Publication number: CN101372297A
Application number: CNA2008101282546A
Authority: CN
Inventors: 井上敬
Original assignee: Murata Machinery Ltd
Current assignee: Murata Machinery Ltd
Priority date: 2007-08-21
Filing date: 2008-07-04
Publication date: 2009-02-25
Anticipated expiration: 2028-07-04
Also published as: EP2028303A2; EP2028303A3; JP2009046267A; JP4403519B2; CN101372297B; EP2028303B1

Abstract

A fiber dust collecting device according to the present invention includes a suction nozzle (35) located away from a balloon guide (20) of an unwinding assisting device (2) and an elevating and lowering means (22) displacing the suction nozzle (35) upward and downward. The fiber dust collecting device is configured such that the elevating and lowering means (22) displaces the suction nozzle (35) downward in conjunction with progress of the operation of unwinding a yarn from a supplying bobbin B so that a suction opening (42) of the suction nozzle (35) faces an unwinding position (29) on the supplying bobbin B and a balloon formation area in which an unwound yarn forms a balloon.

Description

Fiber dust collecting device

Technical field

The present invention relates to fiber dust collecting device, be used for batch up gear, attract to be recovered in carry out from yarn feeding bobbin begin separate Shu Zuoye the time wind flower that produces.So-called batch up gear is meant automatic winding machine etc. among the present invention.

Background technology

Can list as No. 5-139621, Japanese kokai publication hei as the example in the past of this fiber dust collecting device.Wherein, the air ring limiting member that descends mobile given the wind flower and reclaims function to being accompanied by the carrying out of separating Shu Zuoye.Specifically, constitute the air ring limiting member, and make its double-sleeve structure, the opening that the wind flower attracts usefulness is being set on the interior socket wall of dividing two streams with interior stream and outer stream with interior pipe and outer tube.The wind flower that sucks from the bottom of interior pipe arrives outer stream through opening, and the suction tube outside being communicated on the stream is transported to and collects in the hopper.Separate easypro yarn after forming air ring from yarn spool-holder tube, be transported to the downstream by stream in the interior pipe in-to-in.

The problem of the fiber dust collecting device described in No. 5-139621, the above-mentioned Japanese kokai publication hei is, owing to directly over yarn feeding bobbin, reclaim the wind flower, thereby the poor efficiency that the wind flower is reclaimed, this wind flower is beginning separating the wind flower that easypro yarn adheres to the air ring mode that horizontal direction enlarges from yarn feeding bobbin, and wind spend disperse easily to around.

Summary of the invention

Therefore the purpose of this invention is to provide a kind of fiber dust collecting device, even this device can more effectively reclaim the wind flower to also can bring into play good wind flower recovery ability attached to the flower of the wind on the yarn of removing in the air ring mode.

Fiber dust collecting device of the present invention is applicable to batch up gear, absorption be recovered in carry out from yarn feeding bobbin begin separate Shu Zuoye the time wind flower that takes place, and have: be provided with the attraction ozzle of the attraction peristome that attracts to reclaim the wind flower and make the lifting mechanism of this attraction ozzle lifting displacement; Following the carrying out of separating Shu Zuoye that begins from above-mentioned yarn feeding bobbin, make attraction ozzle decline displacement by above-mentioned lifting mechanism, so that the attraction peristome of above-mentioned attraction ozzle forms the zone in the face of the easypro position of separating of above-mentioned yarn feeding bobbin with the air ring of separating easypro yarn formation air ring.

Can adopt in such a way, that is, above-mentioned batch up gear has separates easypro auxiliary device, and above-mentioned attraction ozzle is and the configuration of turning up the soil at interval of the above-mentioned air ring limiting member of separating the auxiliary device that relaxes.

Can make above-mentioned attraction ozzle and be connected, this movable part as above-mentioned lifting mechanism, by making attraction ozzle decline displacement, is made this attraction ozzle decline displacement along with the step-down operation of above-mentioned air ring limiting member with the above-mentioned movable part of separating the auxiliary device that relaxes.

Can adopt in such a way, that is, the attraction peristome of above-mentioned attraction ozzle is formed the long shape of growing crosswise of horizontal direction, and the transverse width dimension of above-mentioned attraction peristome horizontal direction is configured to the bobbin width greater than yarn feeding bobbin.Here so-called " the bobbin width of yarn feeding bobbin " is meant that yarn is by the maximum gauge of the yarn feeding bobbin B under the reeling condition.

Can adopt in such a way, promptly, the pipeline from above-mentioned attraction ozzle to the collection hopper have can freely stretch flexible pipe.

The invention effect:

In the present invention, make the carrying out of separating Shu Zuoye that attract ozzle following to begin from yarn feeding bobbin and the decline displacement by lifting mechanism, so that the attraction peristome that attracts ozzle is in the face of relax position and will be separated the air ring that easypro yarn forms air ring and form the zone of separating of yarn feeding bobbin, therefore, compare with the mode that the postural position that attracts ozzle is fixed, the present invention can reclaim the wind flower effectively.Specifically, the wind flower contacts and takes place by separate easypro yarn and the layer of volume on the core from yarn feeding bobbin, therefore, takes place easily separating the position of relaxing.And separating the position of relaxing is to descend along with the carrying out of separating Shu Zuoye that begins from yarn feeding bobbin.If as the present invention, make to attract ozzle decline displacement along with the carrying out of separating Shu Zuoye, so that attract the separate easypro position of peristome, then can make to attract ozzle often to be in optimum position in the face of yarn feeding bobbin, can reclaim the wind flower effectively.In addition, make to attract ozzle decline displacement,, thus, can separate the wind flower that easypro yarn adheres to from attracting peristome to reclaim effectively with balloon shape so that attract peristome to form the zone in the face of air ring.Therefore, the present invention can prevent the wind flower disperse to around.

If will attract the configuration of turning up the soil at interval of ozzle and air ring limiting member, then compare with the mode that will attract ozzle to be arranged in the air ring limiting member that patent documentation 1 proposes, can reduce yarn and be inhaled into the attraction ozzle that wind flower reclaims usefulness, can be suitably and carry out swimmingly separating Shu Zuoye from the yarn that yarn feeding bobbin begins.

Separate on the movable part of the auxiliary device that relaxes if will attract ozzle to be fixed on, this attraction ozzle is followed based on the step-down operation of the air ring limiting member of this movable part and the displacement that descends, then can be substantially with the movable part of separating the auxiliary device that relaxes as lifting mechanism, can make to attract ozzle decline displacement.Thus, compare, can reduce the part number, and control mechanism is simplified, therefore, can suppress and be provided with the rising of the batch up gear manufacturing cost that fiber dust collecting device accompanies with being respectively equipped with the mode of separating relax auxiliary device and lifting mechanism.

If will attract ozzle to form the long shape of growing crosswise of horizontal direction, then can be with attracting ozzle be configured to the opposed form in position of relaxing of separating with yarn feeding bobbin, so can be absorbed in the above-mentioned wind flower that the position of relaxing produces of separating effectively.And, if it is also bigger than the bobbin width of yarn feeding bobbin to attract the transverse width dimension of the horizontal direction of ozzle to set for, then can reclaims effectively from yarn feeding bobbin and become air ring and separate wind accompanying on easypro yarn flower.

If from attracting ozzle to be provided with the flexible pipe that can freely stretch to the pipeline of collection hopper, owing to can absorb the change of the duct length that accompanies with the lifting displacement that attracts ozzle with flexible pipe, then can make pipeline designs simplification, can suppress and the rising that the batch up gear manufacturing cost that fiber dust collecting device accompanies is set, this fiber dust collecting device have can the lifting displacement the attraction ozzle.

Description of drawings

Fig. 1 is the vertical profile lateral plan of the main portion of fiber dust collecting device of the present invention.

Fig. 2 is the integral structure figure of the automatic bobbin winder that is suitable for of fiber dust collecting device of the present invention.

Fig. 3 is the front view of fiber dust collecting device of the present invention.

Fig. 4 is the vertical profile front view of fiber dust collecting device of the present invention.

Fig. 5 is the block diagram that constitutes the attraction ozzle of fiber dust collecting device.

Fig. 6 is the figure that expression attracts the variation of ozzle, and Fig. 6 (a) is the vertical profile front view that attracts ozzle; Fig. 6 (b) is along the A of Fig. 6 (a)-A line cross sectional drawing.

The specific embodiment

Fig. 1～Fig. 5 represents fiber dust collecting device of the present invention is used for the embodiment of automatic bobbin winder (batch up gear).The automatic winding machine is made of the one group of batch up gear that is configured to the row shape.Batch up gear is that the unit rack 1 that will erect fixing lengthwise box shape constitutes as matrix in Fig. 2.In a side of unit rack 1, by the record arranged in order to upper rack from frame lower and to separate the auxiliary device 2 that relaxes, tightening device 3, piecing devices 4 and yarn clearer 5 etc.Upper lateral part at unit rack 1 is disposing following member: make yarns Y carry out the Horizontal moving cyliner 6 of displacement (traverse of traversing) with the certain amplitude scope; Face the guide plate 7 of the reciprocating traverse area configurations of Horizontal moving cyliner 6; Rotate reel cage 9 of ground axle suspension package P freely etc.Except that these machines, also be provided with: cut yarn is attracted to catch and join the middle tube 10 of giving piecing devices 4; The middle part of above-mentioned machine row, towards upper and lower to the suction nozzle 11 that rotatably is provided with.

Separate the auxiliary device 2 that relaxes below, supporting yarn feeding bobbin B with the posture that erects.The yarns Y of exporting in the mode of air ring 13 from yarn feeding bobbin B, whether there is defective by above-mentioned each machine 2～5 o'clock inspection yarn, if find yarn faults, then it is cut off by the cutter that is arranged on the cutter on the yarn clearer 5 and be arranged on the tightening device 3, defect part is attracted to remove.

As shown in figures 1 and 3, separating the auxiliary device 2 that relaxes has: the air ring guiding tube 20 that is made of the movable cylindrical shell as the air ring limiting member that is used to limit the air ring size; Be provided in the fixed cylinder 21 on air ring guiding tube 20 tops; With as the cylinder 22 (lifting mechanism) of the movable part that is used to make the 20 lifting displacements of air ring guiding tube etc.Air ring guiding tube 20 is cylinders that opening is all arranged up and down, play is arranged is embedded on the periphery of fixed cylinder 21.On the periphery of air ring guiding tube 20, fixing pair of right and left covering

part

23,23, this a pair of covering

part

23,23 is assembled on the supporting arm 25 that the effect at the piston rod 24 of cylinder 22 moves up and down.Therefore, air ring guiding tube 20 is to carry out the lifting displacement according to the piston rod 24 of cylinder 22 flexible.

Each covering

part

23,23 constitutes by the alar part 26 that extends from supporting arm 25 towards horizontal direction with from the arm 27 that the front end of alar part 26 extends towards the below.Setting sensor 31 on the inner face of the play end of each arm 27, it is to be used to detect as the relax cop top conical surface portion 30 of position 29 of separating of yarn feeding bobbin B.Sensor 31 is the infiltration type sensors that are made of luminous element and photo-sensitive cell, the irradiates light that sends when the initial condition that yarn feeding bobbin B is set on the batch up gear, from luminous element is hidden and detects less than sensitization by the cop top conical surface (chase) portion 30, and controller 32 just receives cut-off signal.Separate Shu Zuoye as if proceeding to from initial condition, cop top conical surface portion 30 is descended, then the sensitive volume by the photo-sensitive cell perception increases, and photo-sensitive cell sends connection signal.In case receive the connection signal from photo-sensitive cell, controller 32 just makes piston rod 24 elongations of cylinder 22, and covering

part

23,23 is descended.In case the irradiates light that sends from luminous element is hidden by cop top conical surface portion 30, photo-sensitive cell sends cut-off signal, and controller 32 just makes the piston rod 24 of cylinder 22 stop elongation.By the elongation action of carrying out aforesaid piston rod 24 repeatedly, just can make the displacement that descends successively together of air ring guiding tube 20 and covering

part

23,23.

In Fig. 1 and Fig. 3, the attraction ozzle of symbol 35 expression fiber dust collecting devices, it be used to absorb be recovered in carry out from yarn feeding bobbin begin separate Shu Zuoye the time wind flower that produces.As shown in Figure 5, this attraction ozzle 35 is provided with: with yarn feeding bobbin B opposed to each other directed forward about the interarea wall 36 of growing crosswise; Begin the upper wall 37 of setting continuously from the upper end of interarea wall 36; With left and right end portions at interarea wall 36, the sidewall 38 that this interarea wall 36 and upper wall 37 are connected, and, this attraction ozzle 35 be and air ring guiding tube 20 between emptyly open the size of space of regulation, turn up the soil and be configured on the rear position of air ring guiding tube 20 at interval.Sidewall 38 by these interarea walls 36, upper wall 37, left and right end portions forms towards the attraction peristome 42 of the sensing of yarn feeding bobbin B side, opening.Offering attraction mouth 39 at the left and right sides of upper wall 37 central portion, on this attraction mouth 39, columnar pipeline 40 is being set continuously.Upper wall 37 attracts mouthfuls 39 median wall 37a by being provided with, from the both ends of this median wall 37a to left and right direction down bevelled pair of angled wall 37b constitute.

As shown in Figure 1, attract ozzle 35 to be installed on the supporting arm 25 by the connecting strap 41 of the leading section of the left and right sides central portion that is arranged on upper wall 37.Therefore, the step-down operation by air ring guiding tube 20 under as the effect of the cylinder 22 of the movable part of separating the auxiliary device 2 that relaxes makes to attract ozzle 35 also to descend.In other words, also can be used as the movable part of separating the auxiliary device 2 that relaxes as the cylinder 22 that makes the lifting mechanism that attracts ozzle 35 lifting displacements uses.Like this, if the step-down operation that will attract ozzle 35 to constitute to be accompanied by air ring the guiding tube 20 and decline displacement then makes to attract the ozzle 35 decline displacements along with the carrying out of separating Shu Zuoye, so that attract separate the relax position 29 of peristome 42 in the face of yarn feeding bobbin B.

As shown in Figure 1 and Figure 4, pipeline 40 has: with the following pipeline 40a that attracts ozzle 35 to be connected, be connected to the last pipeline 40b of collection hopper and be provided in the flexible pipe 40c that the energy between pipeline 40a, the 40b up and down freely stretch.By making the flexible change that just can absorb the duct length that is accompanied by the decline displacement that attracts ozzle 35 of flexible pipe 40c.

If adopt the fiber dust collecting device that constitutes by said structure, make and attract ozzle 35 and air ring guiding tube 20 skies to open the compartment of terrain configuration, therefore, compare with the described mode of carrying out the attraction action of wind flower of patent documentation 1 at the yarn contact position, the rare problem that attracts 35 li of ozzles that absent-mindedly yarns Y is drawn into can be suitably and carry out the Shu Zuoye that separates of the yarns Y that begins from yarn feeding bobbin B swimmingly.

Because the present invention is following the carrying out of separating Shu Zuoye that begins from yarn feeding bobbin B, make to attract ozzle 35 decline displacements, so that attract separate the relax position 29 of peristome 42 in the face of yarn feeding bobbin B, therefore, compare with the fixing mode of the postural position of ozzle 35 that attracts, can reclaim the wind flower effectively.That is, owing to can spend the easypro position 29 of separating of generation source as wind near, attract operation, thereby have the advantage that can reclaim the wind flower effectively.If the wind flower attached in the air ring mode on the yarns Y of yarn feeding bobbin B output, then wind spend disperse easily to around, but as present embodiment, if the 42 pairs of air ring ambient airs of attraction peristome by the attraction ozzle 35 of wide cut attract action, then can prevent reliably the wind flower disperse to around.

Because structure of the present invention is to attract ozzle 35 to be connected with the supporting arm 25 of supporting air ring guiding tube 20, be accompanied by the step-down operation of cylinder 22 caused air ring guiding tubes 20, make and attract ozzle 35 displacement that also descends, thereby be provided for step-down operation respectively and attract the mode of the driver train of ozzle 35 and air ring guiding tube 20 to compare, can reduce the number of part and control mechanism is simplified.The rising of the automatic bobbin winder manufacturing cost that therefore can suppress effectively to be accompanied by the setting of fiber dust collecting device and cause.

If the shape of growing crosswise that will attract the attraction peristome 42 of ozzle 35 to form along horizontal direction then can be opposed with attracting ozzle 35 to be configured to the releasing position 29 of yarn feeding bobbin B, therefore can be absorbed in this effectively and separate the wind flower that the position 29 of relaxing takes place.And, if the bobbin width (yarn is by the maximum gauge of the yarn feeding bobbin B under the reeling condition) that the transverse width dimension of the horizontal direction that attracts peristome 42 is set for than yarn feeding bobbin B is also big, then can reclaims effectively from yarn feeding bobbin B and begin to be separated the wind flower that easypro yarns Y is adhered in air ring 13 modes.In addition, because will attract the transverse width dimension of the horizontal direction of peristome 42 sets for than (with the intersect vertically air ring diameter of direction of the longitudinally of bobbin B) also greatly from the air ring zone of the yarns Y of yarn feeding bobbin B output in the air ring mode, therefore, while can reclaim in the air ring mode and rotate the wind flower that is produced in the whole air ring zone of the yarns Y of sending.

Owing to will make the structure with the flexible pipe 40c that can freely stretch to the pipeline 40 of collection hopper from attracting ozzle 35, therefore, the change of the duct length of following with the lifting displaced phase that attracts ozzle 35 can be used flexible pipe 40c absorption.Thus, can suppress rising with the manufacturing cost that the automatic bobbin winder that fiber dust collecting device with attraction ozzle 35 that can the lifting displacement accompanies is set.

Fig. 6 (a), Fig. 6 (b) expression attracts another embodiment of ozzle 35.In attraction ozzle 35 shown in Figure 6, the connecting portion 45 of pipeline 40 (following pipeline 40a) and attraction ozzle 35 is formed the following expansion shape that diameter dimension is amplified gradually along with advancing downwards, form the roomy attraction opening 42 of Width, these are different with above-mentioned mode shown in Figure 5.In addition all be same.

Attraction ozzle 35 according to Fig. 6 (a), Fig. 6 (b) expression, owing to compare with the shape of above-mentioned attraction ozzle 35 shown in Figure 5, the vast scope of the Width of the attraction peristome 42 of attraction ozzle 35 can obtain big attraction stream, therefore, can improve the attraction efficient of this attraction ozzle 35.

Though in the above-described embodiment, with attract ozzle 35 constitute can the lifting displacements based on the cylinder 22 of separating auxiliary device 2 movable parts that relax structure, but the present invention is not limited thereto, can adopt the mode that attracts the special-purpose power element that ozzle 35 lifting displacements use that makes that is provided with.And in the above-described embodiment, attracting ozzle 35 to be configured in the inclined to one side rear of air ring guiding tube 20, but the present invention is not limited thereto, for example also can be to set the mode that attracts

ozzle

35,35 on each position, the left and right sides of air ring guiding tube 20.Can will attract ozzle 35 to be configured in four directions all around.Attract the form of ozzle 35 also to be not limited to form represented in the above-mentioned embodiment.

Claims

1. fiber dust collecting device is used for batch up gear, attract to be recovered in carry out from yarn feeding bobbin begin separate Shu Zuoye the time wind flower that produces, it is characterized in that,

Have attraction ozzle that is provided with the attraction peristome that attracts recovery wind flower and the lifting mechanism that makes this attraction ozzle lifting displacement;

Following the carrying out of separating Shu Zuoye that begins from above-mentioned yarn feeding bobbin, make attraction ozzle decline displacement by above-mentioned lifting mechanism, so that the attraction peristome of above-mentioned attraction ozzle forms the zone in the face of the easypro position of separating of above-mentioned yarn feeding bobbin with the air ring of separating easypro yarn formation air ring.

2. fiber dust collecting device as claimed in claim 1 is characterized in that,

Above-mentioned batch up gear has separates easypro auxiliary device, the configuration of turning up the soil at interval of above-mentioned attraction ozzle and the above-mentioned air ring limiting member of separating the auxiliary device that relaxes.

3. fiber dust collecting device as claimed in claim 2 is characterized in that,

Above-mentioned attraction ozzle is connected with the above-mentioned movable part of separating the auxiliary device that relaxes, and this movable part as above-mentioned lifting mechanism, is made to attract ozzle decline displacement, thus, makes this attraction ozzle decline displacement along with the step-down operation of above-mentioned air ring limiting member.

4. as any described fiber dust collecting device in the claim 1～3, it is characterized in that,

The attraction peristome of above-mentioned attraction ozzle is formed the long shape of growing crosswise of horizontal direction, and the transverse width dimension of above-mentioned attraction peristome horizontal direction is configured to the bobbin width greater than yarn feeding bobbin.

5. as any described fiber dust collecting device in the claim 1～4, it is characterized in that,

Pipeline from above-mentioned attraction ozzle to the collection hopper has the flexible pipe that can freely stretch.