CN101348954A - Aggregate unit for bundle fiber and feeding bundle fiber into carding machine - Google Patents
Aggregate unit for bundle fiber and feeding bundle fiber into carding machine Download PDFInfo
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- CN101348954A CN101348954A CNA2007101366829A CN200710136682A CN101348954A CN 101348954 A CN101348954 A CN 101348954A CN A2007101366829 A CNA2007101366829 A CN A2007101366829A CN 200710136682 A CN200710136682 A CN 200710136682A CN 101348954 A CN101348954 A CN 101348954A
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Abstract
The invention provides a combination device used for opening a bundle fiber and feeding the bundle fiber into a single carding machine, comprising a vertical silo. The vertical silo feeds the bundle fiber into one or more rollers with card clothing to open and clean the bundle; the roller is provided with a treatment element group; the treatment element group comprises a separating knife for cleaning and opening a fiber material, a suction nozzle and a fixed carding section; and then, the fiber material is delivered to a second silo which feeds the fiber material to the carding machine by a pad mode.
Description
Technical field
The present invention relates to the feeding line of carding machine, to process in current being called in a series of devices of organizing line (battery line) from the fibrous material of fibrous raw material (for example cotton) bag by this feeding line, come combing in carding machine with the form feeding of oakum pad up to generating clump bundle fiber (flock fibre).
Background technology
Generally speaking, combing comprises passes to the clump beam material on a series of equipments surface, promptly be provided with on the surface of a plurality of brads, and the outer circular velocity rotation to increase.On these surfaces, the fibrous material shredding become single form of stretching fiber, and remove foul for example dust, staple fibre and fracture of wire to a great extent, fiber is blended into together and forms the untwisted fiber of bunchy, to send into the process segment subsequently.
In order to explain and to feed the relevant technical problem of carding machine, below with reference to the scheme of Fig. 1 description up to the group line of carding machine from fibrous raw material.
In its most general circuit, the feeding operation from the fibrous raw material bag to cotton formula combing relates to lower device and technology.
All from the bale of cotton, these bale of cottons stretch on the ground side by side forming fibrage, and are subjected to having the effect of the bale plucker 1 of one or more spools, and these spools intersect the layer of bag with the front and back motion and gradually it exhausted.This bale plucker 1 mainly has the task that the shredding bale of cotton promptly picks up clump bundle fiber, and it is not provided with foul and removes element: all material with the bale of cotton batches in the entry-line thus.
Pipeline 2 carries clump beam material by pneumatic conveying and carries out subsequently processing.Insert the element that is used for separated flow along its path, for example have the slit of grid, it makes it possible to remove the heaviest part of advancing in duct bottom by in the material of carrying air to carry.First shredding point of shredding material comprises the loosening device 3 with one or two spool, carries out first removal at this place by separating grid, and these separate grids and make it possible to abandon the thickest impurity.The spool of this loosening device is provided with a spot of pin, and not only is provided with real card clothing.There are not cutter or suction nozzle.The shredding degree of Cong Shu is lower in loosening device 3, and it carries out certain pre-shredding of material, then material is stored in the blender 4, makes the product homogenizing that is written into the different qualities in the circuit by bale plucker 1 in blender 4.In fact, must consider that these bags are not all identical, and the compactedness of the fiber in each bag there is a great difference.Thus the clump bundle fiber is fed into loosening device 5 self with pneumatic conveying.
After loosening device 5, treated material arrives initial case 6, and 8 feeding paint storage tank, 7 feedings from it towards carding machine.Described feeding paint storage tank for example is the paint storage tank according to the patent EP1.004.693 of same Applicant, and it mainly has preparation and is fed into the task of the feeding platform of carding machine as input at uniform oakum pad aspect compactedness and the thickness and with it.From this, feed roller is loaded into the introducing that is called licker-in of carding machine with cotton and prepares on the cylinder, and this is discussed below.The operation of carrying out in the paint storage tank 7 in feeding comprises peels off and compacting clump beam material subsequently.Peel off and utilize two or more spinner members to carry out, and the compacting utilization is carried out the air-flow in the loading zone of carding machine.The thickness of the pad of Xing Chenging utilizes the leveling cylinder to regulate like this.
The feeding system of present described prior art has some problems.Rationalize as described above and the trend of simplification group line, the size of loosening device and whole volume have increased the carding machine with the bigger quantity that is used for the downstream.In fact, loosening device has much higher overall productivity than carding machine.
Strengthened on bigger bed thickness, to work in shredding point and pattern on these loosening devices.The result, in the fiber of handling like this, the fibre matting that cotton junction number promptly forms during processing increases, and fibre length is owing to suffered bigger stress reduces, the removal of foul takes place with lower percentage, and in other words more remaining foul is arranged in being fed into the Cong Shu cotton material of carding machine.The quality that arrives the clump bundle fiber of carding machine is significantly less than traditional group line.The limiting factor that should be realized that the productive rate of carding machine is the drawing-off of the fibre bundle that generated and the degree of cleaning: the foul amount in the beginning product is big more, and the productive rate of carding machine is low more.For fear of this situation, according to nearest technology, on carding machine, predict the initial preparatory stage, this stage does not carry out on single cylinder, and carries out on a plurality of cleanings that are commonly referred to licker-in that are disposed in series in main combing drum front and preparation cylinder.The series connection licker-in is equipped with toothed card clothing, fixedly combing element, separating knife and suction nozzle, with drawn fiber with from the fiber separation foul.The series connection licker-in is worked under the outer circular velocity that increases, in any case this outer circular velocity need be less than the speed of main combing drum, this main combing drum must " be peeled off " fiber that is carried by its card clothing from last licker-in.
As mentioned above, the purpose of these licker-ins is to improve shredding, drawing-off and the uniformity of the material that arrives main combing drum in advance, and separates a certain amount of impurity in addition.In a word, the intended purposes of inserting the series connection licker-in is to increase the integral production ability of carding machine, improve the quality of band, improve the drawing-off that carding effect is a fiber, the life-span of improving card clothing (particularly main drum and cover plate thereof) and the last band that makes is suitable for free-end spinning machine more, and " cotton knot " and the fracture of wire of remnants may cause often rupturing from the yarn that spinning rotor comes out in this band.
Like this only be expected in the carding machine that is provided with many licker-ins that part realizes because compare, do not increase much from the foul amount of fiber removal with carding machine with single licker-in.This situation at least to a great extent can be owing to restricted to circular velocity outside it at two to three licker-ins of the tandem working down of pushing the speed, in any case should outer circular velocity must be less than the bulging speed of main combing, in any case and be not enough to the cleaning effect that obtains to expect and all less than realizing in the loosening device in front.
Summary of the invention
The present invention relates more specifically to a kind ofly be used to prepare clump bundle fiber and it is fed into the device of carding machine, this device allows the carding machine in downstream to have the quality of higher productive rate and Geng Gao, because it supplies the more shredding and the fiber of cleaning more, and has the best degree of readiness of single carding machine to its downstream.
Basic characteristics according to device of the present invention limit in first claim, and preferred embodiment limits in the dependent claims.
Description of drawings
In order to clearly show that characteristics of the present invention and advantage, it is described as non-limiting example referring to figs. 1 through the exemplary embodiments shown in 4, these figure schematically show:
The general technical problem of the state of prior art and feeding carding machine among Fig. 1;
Fig. 2,2b, 3 and 3b in two illustrative examples with a shredding cylinder of the present invention;
Illustrative examples with two shredding cylinders of the present invention among Fig. 4;
Illustrative examples with three shredding cylinders of the present invention among Fig. 5.
The specific embodiment
Preparation and the feeding unit that comprises vertical paint storage tank 11 that show embodiment illustrated in fig. 2, wherein fibrous material by pneumatic conveying in air-flow from initial case 6, and utilize the fill level control technology for example in the patent EP1.004.693 that is quoted, described in the end of paint storage tank, to accumulate.
Place, bottom at paint storage tank 11 is provided with feed roller or the roller 12 that the clump bundle fiber is fed into equipment cylinder 13, and this equipment cylinder 13 is untied the Cong Shu that material and shredding and cleaning pick up.Two cylinders 12 and 13 together rotary work to batch material and it given forward.
According to the known arrangement that is used for cotton formula loosening device, for example from the patent EP952.244 of same Applicant, cylinder 13 is provided with clump bundle fiber treatment element in groups, and this clearly show that in the amplification detailed view of Fig. 2 b.Like this one group comprises from roller 12 and receives the band pin of fibers or the card clothing 20 of sawtooth, with these fibre placement on card clothing and be sent to and comprise following treatment element:
-separating knife 21 is arranged in the free space of rotation card clothing 20, is used for removing impurity from fibrous material,
-discharge the suction nozzle 22 of the foul that separates by cutter 21,
-being provided with most advanced and sophisticated fixedly combing section 23, drawing-off and shredding clump bundle fiber are come with rotation card clothing 20 relative positionings in these tips,
-movable deflector 24 is used to change the opening of the free space between card clothing 20 and the processed group.
These groups are installed on the bar supporting member 26.Also predict the element 28 that is used to hold cylinder 13.
End in the path by processed group, shredding and more the clump beam material of cleaning separate by hoe scaler 30 and the effect by air blast 33 enters pipeline 31, this hoe scaler 30 is worked in the pipeline space of shrinking of rising.
Air-flow makes progress through piping 34 and downwards through second paint storage tank 35 with the clump beam material.Described paint storage tank is preferably formed by the quadrangle section of plate.Place, bottom at paint storage tank 35 is furnished with the conveying air that grid 36 is used for discharging from paint storage tank towards the outside circulation, and the fibre bundle beam material is stayed in the paint storage tank bottom on its one or more walls.The conveying air is collected in the gatherer 37 and sends back to the suction inlet 39 of air blast 33 by pipeline 38.
Can be in the bottom of second paint storage tank 35 by pneumatic action control and the density of regulating the clump beam material.Discharge cylinder or be with discaling roll 41 to rotate under the speed of being ordered to regulate the flow velocity of fiber for one group, fiber is discharged on the inclined tube 42, this inclined tube 42 utilizes transfer roller 43 that fiber is fed into carding machine with the form of filling up.
Scheme according to Fig. 2 allows at the fiber of still handling even having a large amount of impurity under single situation that cylinder 12,13 is worked.Do not comprise at pending fiber under the situation of a large amount of impurity, the scheme of Fig. 2 can further be simplified, shown in Fig. 3 and 3b.
In the embodiment shown in fig. 3, fiber is advanced downwards from vertical paint storage tank 111, wherein fibrous material by pneumatic conveying in air-flow from initial case 6.The fiber that descends runs into the first feeding roller 12, and these first feeding roller, 12 feedings also cooperate with equipment cylinder 113 and to untie and to clean the Cong Shu that is picked up.Equally in the embodiments of figure 3, two cylinders 112 and 113 are the fibrous material that descends with guiding of rotary work together, shown in the arrow among the figure.Feeding roller 112 can be regulated the hinge gap 115 that is used for passing through fiber downwards in the face of wall 114 work of the end of paint storage tank 111 to produce betwixt.Be similar to the scheme of Fig. 2, cylinder 113 is provided with one or more groups element and is used for handling the clump bundle fiber on its periphery, and shown in the amplification detailed view of Fig. 3 b, wherein single set of pieces illustrates as example.Like this one group comprises the card clothing 120 that receives the band saw tooth of fibers from roller 112, with these fibre placement on its periphery and it is contacted with following element:
-separating knife 121 is arranged in the free space of rotation card clothing 120, is used for removing impurity from fibrous material,
-discharge the suction nozzle 122 of the foul that separates by cutter 121,
-movable deflector 124 is used to change the opening of the free space between card clothing 120 and the processed group.
End in the path by processed group, the shredding of being carried by card clothing 120 and the clump beam material of cleaning enter decline passing away 135 at mouth 131 places, and this decline passing away 135 is also as the paint storage tank of not untiing material.In mouth 131, the effect of peeling off fiber from card clothing 120 by utilizing the injection air shown in the arrow A pneumatic action and by centrifugal action both obtain, injection air from air blast 133, cross pipeline 130 and in mouth 131, utilize Venturi effect to expand, it is as inhale the stripping off device of air and fiber down from card clothing 120.
The clump beam material stream that separates from card clothing 120 is departed from and utilize the left side of wedge 125 to fall, this wedge 125 makes mouth 131 be connected with pipeline 130.
The air current A that has a clump beam material descends and is contained in the paint storage tank pipeline 135.The end layout grid 136 that descends in pipeline 135 separates the conveying air and the clump beam material is flowed in inside.Carry air A to utilize manifold 137 to fetch and utilize pipeline 138 to deliver to air blast 133.
Place, bottom at paint storage tank pipeline 135 activates one or more discharge cylinders 141 of regulating the fiber flow velocity fiber is discharged on the inclined tube 142, and this inclined tube 142 utilizes transfer roller 143 fiber to be fed into the carding machine of back with the form of pad.
Fig. 4 illustrate according to of the present invention have two shredding cylinders 53 and 53 ' the embodiment of device.Compare with the embodiment with single shredding cylinder 13 of Fig. 2 and 2b, components identical keeps identical label.Cylinder 53 and 53 ' also relative rotation and with bigger gradually speed rotation makes the cylinder of back send forward from its tunica fibrosa of drum peel of front and with it.Be different from the last situation according to Fig. 2 and 2b, the fibre bundle beam material that is separated by hoe scaler 30 always transmits under the help from the conveying air of the contraction pipeline of air blast 33 and enters pipeline 31 and enter paint storage tank 35, but has flowing of decline.
Fig. 5 illustrate according to of the present invention have three shredding cylinders 63,63 ' and 63 " the embodiment of device.Compare with the embodiment with single shredding cylinder 13 of Fig. 2 and 2b, components identical keeps identical label." also relative rotation and with bigger gradually speed rotation makes the cylinder of back send forward from its tunica fibrosa of drum peel of front and with it for cylinder 63,63 ' with 63.Utilize shrinking pipeline discharges the scheme that enters pipeline 31 with fiber and keeps identical with Fig. 2.
In embodiment,, activate cylinder 13,113 with the outer circular velocity in the scope of from 5 to 18 meter per seconds for single shredding cylinder according to the device of Fig. 2 and 3.
On the other hand, under the situation of the embodiment with two or three shredding cylinders, last cylinder 53 in the series ' and 63 " corresponding velocity interval from 25 to 50 meter per seconds; and the actuation speed value of preceding surface roller is whenever passed through a cylinder with regard to little about 25-40%, to allow to handle the correct transmission of tunica fibrosa.In scheme with many series connection shredding cylinders, consider cleaning, the drawing-off and thinner more more gradually of deposition film thereon, the card clothing of cylinder has the distribution of closeer gradually tip, pin or sawtooth and rises and falls littler.
Compare with traditional loosening device 5 of Fig. 1, device according to the present invention utilizes processing scheme to process on tunica fibrosa, and this processing scheme looks it is similar, but difference is to serve single carding machine with the much lower clump bundle fiber layers of thickness.In device according to the present invention, no matter impurity is foul, cotton knot or staple fibre, and its separation and removal are all much easier, and can adopt the lower card clothing of invasive, have reduced the damage of fiber thus.
Because it is used for single carding machine, device according to the present invention has and is different from size used in traditional loosening device and invasive card clothing and combing member, and exquisite more and carry out shredding and the preparatory technology of Cong Shu effectively.
Generally speaking, adopt following parameter for scheme with many shredding cylinders.Outer circular velocity on first cylinder is on the magnitude of 5-15 meter per second.The size of cylinder is in the scope of 200-300mm.The card clothing of cylinder comprises that density is the most advanced and sophisticated every dm of 62-765 per square inch at the 4-50 tip
2Scope in pin and/or sawtooth.
The device that is used to carding machine to prepare and feed the clump bundle fiber according to the present invention has substantial advantage with respect to prior art.Wherein be worth clearly mentioning following characteristics at least.For the quality of product and the efficient of processing, the outer circular velocity restriction that the considerable licker-in that is in fact the shredding cylinder of this device of equipment does not have in fact to go up under the reverse situation can have, thus can be with the outer circular velocity of loosening device but on the fibrage of Bao Deduo, work.The carding machine in downstream needs single licker-in, works in the supply of cleaning manyly and can have higher overall productivity.The technological merit that obtains thus is important, because the shredding cylinder on the device is with the overall productivity work identical with carding machine, and can sets for and is being used to remove under the ideal velocity of foul, has the length that low cotton knot generated and guaranteed fiber simultaneously.In this case, also obtained good separation to the trickleest part of the dust that is called " big grain assorted bits ", this be traditional loosening device of being arranged in the upstream when on than the thick fiber layer, working can't realize.Deliver to oakum pad excellent quality aspect its littler and more uniform Cong Shu and better uniformity of carding machine, this is owing to integrated ventilation blower in the device is that the air compression that produces in the air blast 33 causes.The life-span of quality, carding effect and the card clothing of the band that produces by carding machine all because this and improve greatly.
In addition, the device that is used to carding machine to prepare and feed the clump bundle fiber according to the present invention allows to overcome the problem of traditional scheme shown in Figure 1, from then on scheme is removed the big capacity tradition loosening device 5 that is arranged in carding machine 8 upstreams with described shortcoming, and its function is distributed to shredding cylinder according to device of the present invention.
Utilization is according to device of the present invention, realized according to the fibre-opening unit having 5 of the traditional scheme of Fig. 1 and the function of feeding paint storage tank 7, to overcome above-mentioned shortcoming and to carry out the shredding and the cleaning function of fiber when each carding machine of feeding.Overall processing scheme allows the greater flexibility of whole group of line and carries out the advantage of fiber opening, because it is carrying out on littler entire amount on many machines and for the fibrage of Bao Deduo, produce thus the more effective and softer shredding of fiber and material that carding machine is produced cleaning more and more stretches.Positive effect also propagates into the downstream, makes it possible to work on the carding machine of bigger whole volume and carding machine does not need the series of many licker-ins having.Ironing, combing, sliver that such advantage also influences subsequently form technology.
Claims (10)
1. one kind is used for shredding clump bundle fiber and it is fed into the composite set of single carding machine, described composite set comprises vertical paint storage tank (11,111), the clump beam material is assembled in the bottom of described vertical paint storage tank, described vertical paint storage tank has feed roller (12 in the bottom, 112), described feed roller is fed into the clump bundle fiber on the cylinder (13 of one or more one-tenth sequences; 53,53 '; 63,63 ', 63 "; 113) with shredding and cleaning Cong Shu, described cylinder (12,112) and (13; 53; 63; 113) rotary work together is characterized in that described cylinder (13; 53,53 '; 63,63 ', 63 "; 113) be provided with and the card clothing (20,120) of the incompatible shredding of treatment element assembly with cleaning clump bundle fiber, described treatment element group comprises separating knife (21,121), suction nozzle (22,122) and the fixedly combing section (23) with rotation card clothing (20,120) relative positioning; And end in the path by described processed group, shredding and more the cleaning the clump beam material by stripping off device (30, A) separate, described stripping off device is carried to second paint storage tank (35 with fibrous material, 135) bottom is discharged fiber and fiber directly is fed into carding machine with the form of filling up from the bottom of described second paint storage tank.
2. device according to claim 1, comprise vertical paint storage tank (111), the clump beam material is assembled in the bottom of described vertical paint storage tank, described vertical paint storage tank has feed roller (112) in the bottom, described feed roller is fed into cylinder (113) with shredding and cleaning Cong Shu with the clump bundle fiber, described cylinder (112,113) rotary work together, it is characterized in that, described cylinder (113) is provided with the card clothing (120) with incompatible shredding of treatment element assembly and cleaning clump bundle fiber, and described treatment element group comprises the separating knife (121) with rotation card clothing (120) relative positioning, suction nozzle (122); And end in the path by described processed group, the cooperation of the Venturi effect that produces by centrifugal effect with by injection air (A) to peel off clump beam material from card clothing, and described injection air expands and sucks air and fiber and be transmitted so that fiber directly is fed into carding machine from card clothing (120).
3. device according to claim 1, comprise vertical paint storage tank (11), the fibre bundle beam material is assembled in the bottom of described vertical paint storage tank, and described vertical paint storage tank has feed roller (12) in the bottom, and described feed roller is fed into the clump bundle fiber on the cylinder (13 of one or more one-tenth sequences; 53,53 '; 63,63 ', 63 ") are with shredding and cleaning Cong Shu, described cylinder (12) and (13; 53; 63) rotary work together is characterized in that described cylinder (13; 53,53 '; 63,63 ', 63 ") are provided with the card clothing (20) with incompatible shredding of treatment element assembly and cleaning clump bundle fiber, and described treatment element group comprises separating knife (21), suction nozzle (22) and the fixedly combing section (23) with rotation card clothing (20) relative positioning; And end in the path by described processed group, the clump beam material is separated by hoe scaler (30), described hoe scaler cooperates the bottom that fibrous material is carried to second paint storage tank (35) with air-flow in shrinking pipeline, discharges fiber and fiber directly is fed into carding machine from the bottom of described second paint storage tank.
4. device according to claim 3 is characterized in that, described device comprise a plurality of one-tenth sequences band card clothing cylinder (53,53 '; 63,63 ', 63 ") are with shredding and cleaning Cong Shu, and the relatively rotation and with higher gradually speed rotation of described cylinder makes the cylinder of back from its tunica fibrosa of drum peel of front.
5. device according to claim 3 is characterized in that, the described treatment element group of clump bundle fiber comprises movable deflector (24,124) in the exit of group, is used to change the opening of the free space between card clothing (20,120) and the processed group.
6. device according to claim 4 is characterized in that, the described cylinder that becomes sequence that is used for shredding and cleaning Cong Shu (53,53 '; 63,63 ', the card clothing of 63 ") has the distribution of closeer gradually tip, pin or sawtooth and rises and falls littler.
7. device according to claim 1 and 2 is characterized in that, described device comprises the single shredding cylinder (13,113) that activates with the outer circular velocity in from 5 to 18 meter per second scopes.
8. device according to claim 4, it is characterized in that, described device comprises two or three shredding cylinders, last cylinder that wherein should series activates with the outer circular velocity in from 25 to the 50 meter per second scopes, and the actuation speed value of roller in front whenever just reduces value in the 25-40% scope by a cylinder.
9. device according to claim 4 is characterized in that, described device comprises a plurality of shredding cylinders, and wherein first cylinder is to activate in the outer circular velocity on the magnitude of 5-15 meter per second, and the size of described cylinder is in the scope of 200-300mm.
10. device according to claim 3 is characterized in that, the card clothing of described cylinder comprises the most advanced and sophisticated every dm of 62-765
2Scope in density, described card clothing has pin and/or sawtooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101366829A CN101348954A (en) | 2007-07-20 | 2007-07-20 | Aggregate unit for bundle fiber and feeding bundle fiber into carding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101366829A CN101348954A (en) | 2007-07-20 | 2007-07-20 | Aggregate unit for bundle fiber and feeding bundle fiber into carding machine |
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| CN101348954A true CN101348954A (en) | 2009-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101366829A Pending CN101348954A (en) | 2007-07-20 | 2007-07-20 | Aggregate unit for bundle fiber and feeding bundle fiber into carding machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776608A (en) * | 2012-08-14 | 2012-11-14 | 绍兴国周针织科技有限公司 | Super-simple blowing-carding technology and device thereof |
| CN104372456A (en) * | 2014-10-25 | 2015-02-25 | 浙江卓怡纺织有限公司 | Air pressure cotton box |
| CN104499100A (en) * | 2014-12-08 | 2015-04-08 | 无锡市天元电脑绗缝机有限公司 | Opening device of pillow filling machine |
| CN110318124A (en) * | 2018-03-29 | 2019-10-11 | 里特机械公司 | Feeding device for carding machine |
| CN114351296A (en) * | 2021-12-03 | 2022-04-15 | 东华大学 | Pre-loosening device and method for processing superfine fiber bundles by fractal felting needles |
-
2007
- 2007-07-20 CN CNA2007101366829A patent/CN101348954A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776608A (en) * | 2012-08-14 | 2012-11-14 | 绍兴国周针织科技有限公司 | Super-simple blowing-carding technology and device thereof |
| CN104372456A (en) * | 2014-10-25 | 2015-02-25 | 浙江卓怡纺织有限公司 | Air pressure cotton box |
| CN104499100A (en) * | 2014-12-08 | 2015-04-08 | 无锡市天元电脑绗缝机有限公司 | Opening device of pillow filling machine |
| CN110318124A (en) * | 2018-03-29 | 2019-10-11 | 里特机械公司 | Feeding device for carding machine |
| CN114351296A (en) * | 2021-12-03 | 2022-04-15 | 东华大学 | Pre-loosening device and method for processing superfine fiber bundles by fractal felting needles |
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Open date: 20090121 |