CN104928811A - Spool drive unit for anti-pilling napped leg-slimming covered yarns in covering machines - Google Patents
Spool drive unit for anti-pilling napped leg-slimming covered yarns in covering machines Download PDFInfo
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- CN104928811A CN104928811A CN201510299650.5A CN201510299650A CN104928811A CN 104928811 A CN104928811 A CN 104928811A CN 201510299650 A CN201510299650 A CN 201510299650A CN 104928811 A CN104928811 A CN 104928811A
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Abstract
The invention provides a spool drive unit for anti-pilling napped leg-slimming covered yarns in covering machines, belongs to the technical field of textiles and solves the technical problems such that since each spool needs a corresponding driver when the spools of the prior covering machine rotate, the rotation effect is poor; since the spools are provided with no positioning mechanism, the spools easily drop from the positioning rods and operation stability is poor. The spool drive unit disposed on a frame of the covering machine comprises a connecting plate which is elongated and which is fixedly connected to the frame; the connecting plate is horizontally disposed; a plurality of positioning rods are fixedly connected to the connecting plate in its length direction; the positioning rods are used for being sleeved with the spools and allow the spools to be axially fixed to the positioning rods; two ends of the connecting plate are provided with a driving wheel and a driven wheel connected to the frame, respectively; the driving wheel and the driven wheel are sleeved with a transmission belt; a compression structure is provided between every two adjacent positioning rods. The spool drive unit has the advantages of rotational reliability and good operational stability.
Description
Technical field
The invention belongs to textile technology field, relate to the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in a kind of coil of wire drive unit, particularly a kind of coating machine.
Background technology
Take spandex covered yarn as the elastomeric yarn of major product, range of application is more and more wider, and product consumption is increasing.Covering filament is also known as wrapped yarn, it is a kind of yarn of new structure, it is for yarn core with long filament or staple fibre, the another kind of long filament of outsourcing or staple fibre sliver, outsourcing yarn carries out coated to heart yarn in a screw fashion, have bar do even, bulk plentiful, yarn is smooth and filoplume is few, the advantage of powerful high, little breakage.Covering filament needs a large amount of winch spools to reel in coated winding process.
Through retrieval, as Chinese patent literature discloses the covering filament machine [application number: 201320094043.1 that a kind of disposable double-contracting covers; Notification number: CN 203080159U].The covering filament machine that this disposable double-contracting is covered, it is characterized in that, comprise frame and rack-mounted feeding mechanism, covering machine structure, drawing-off structure, spooler and transmission mechanism, described feeding mechanism comprises the feed wheel and hello silk roller that drive core silk to rotate, described covering machine structure is two, be arranged above and below along core silk direction of transfer, the spindle that described covering machine structure comprises spool and drives spool to rotate, spindle and the transmission mechanism of upper and lower covering machine structure are in transmission connection, and drive move toward one another by transmission mechanism, described drawing-off structure comprises the drawing roller and pinch roller that cooperatively interact, described spooler comprises the winding wheel that cooperatively interacts and batches assembly.
Although covering filament machine disclosed in this patent, without the need to repeating coated operation, is saved a large amount of manpower and cost, is also greatly improved production efficiency, when in this covering filament machine, the coil of wire rotates, each coil of wire needs corresponding drive unit, and rotating effect is poor; And the coil of wire does not have reliable detent mechanism, the coil of wire easily drops from backstay, poor work stability, and therefore, the coil of wire drive unit designing ANTIPILLING plucking thin leg wrap yarn in a kind of coating machine is necessary.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in a kind of coating machine, this coil of wire drive unit has and rotates feature that is reliable, good operating stability.
Object of the present invention realizes by following technical proposal: the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine, it is arranged in the frame of coating machine, it is characterized in that, it comprises the connecting plate be connected in long plate shape in frame, described connecting plate is horizontally disposed with and is fixed with some backstays along its length on connecting plate, described backstay is vertically arranged and backstay lower end is connected on above-mentioned connecting plate, described backstay also can make coil of wire axial restraint on the securing lever thereon for yarn feeding coil is sheathed, the two ends place of described connecting plate has respectively and is connected to driving wheel in frame and driven pulley, on described driving wheel and driven pulley, cover has driving belt, between described adjacent two backstays, there is compressing structure, above-mentioned compressing structure compresses on the belt and driving belt can be made to have be pressed in the trend on the coil of wire of this compressing structure left and right sides, described frame is also fixed with actuator and actuator and above-mentioned driving wheel are connected.
Operation principle of the present invention is as follows: will be full of the coil of wire cover of the thin leg wrap yarn of ANTIPILLING plucking on the securing lever, by compressing structure, driving belt is pressed on the coil of wire, driving wheel is driven to rotate by actuator, driving wheel drives driving belt to rotate, along with the rotation of driving belt, yarn can be driven to rotate, thus realize the rotation operation of the coil of wire, rotate reliable.
Described actuator is motor, and rotating shaft and the above-mentioned driving wheel of described motor are connected.
When needs make driving wheel rotate, control the axis of rotation of motor, the rotating shaft of motor drives driving wheel to rotate, thus realizes the rotation operation of driving wheel.
Described compressing structure comprises elastic pressuring plate and contact roller, and the inner of described elastic pressuring plate is connected in frame, and described elastic pressuring plate outer end and contact roller are connected.
Adopt above structure, under the elastic acting force of elastic pressuring plate, driving belt can be pressed on the coil of wire by contact roller, and tensioning fast, conveniently.
Described elastic pressuring plate outer end is fixed with in shaft-like connecting rod, and above-mentioned contact roller is axially connected on connecting rod.
Adopt above structure, contact roller axial restraint can be enable by connecting rod and circumference is rotated, location fast, convenient.
There is between described contact roller and connecting rod bearing one.
Adopt above structure, can make between connecting rod and contact roller is rolling friction, and frictional resistance is little, rotates smooth and easy.
Described frame is fixed with the carriage in frame-like, described elastic pressuring plate the inner is connected on carriage.
There is between described carriage and elastic pressuring plate the inner the adjustment structure of energy adjustable elastic compressing tablet elastic acting force.
Adopt above structure, by the elastic acting force of adjustment structure adjustable elastic compressing tablet, easy to adjust.
Described adjustment structure comprises adjustment barrel one, adjustment barrel two and adjusting screw(rod), described adjustment barrel one is connected in elastic pressuring plate the inner, described adjustment barrel two is connected on above-mentioned carriage, described adjusting screw(rod) upper end has the positioned edge of protrusion, described adjustment is thread through adjustment barrel two and its lower end is threaded with adjustment barrel one, and above-mentioned positioned edge can be resisted against adjustment barrel two upper end.
When the elastic acting force of elastic pressuring plate is too small, unscrew adjusting screw(rod), contact roller is moved towards the direction near driving belt, after being adjusted to correct position, screws adjusting screw(rod), thus the elastic acting force of elastic pressuring plate can be tuned up; When the elastic acting force of elastic pressuring plate is excessive, unscrew adjusting screw(rod), contact roller is moved towards the direction away from driving belt, after being adjusted to correct position, screw adjusting screw(rod), thus the elastic acting force of elastic pressuring plate can be turned down, different needs of work can be adapted to, highly versatile.
On described adjusting screw(rod), also cover has the friction pad of annular, and described friction pad is pressed between positioned edge and adjustment barrel two upper end.
Adopt above structure, by the effect of friction pad, can increase the frictional force between adjusting screw(rod) and adjustment barrel two, prevent it from occurring the phenomenon loosened, locking effect is good.
Described friction pad is rubber blanket.
Alternatively, described friction pad is elastic washer.
Alternatively, described compressing structure comprises carriage, spring, compact heap and contact roller, described carriage has recessed hold-down apertures, above-mentioned compact heap and spring are all positioned at hold-down apertures place and carriage is stretched out in compact heap outer end under spring force effect, and described contact roller is movably connected in compact heap outer end.
Adopt above structure, under the elastic force effect of spring, driving belt can be pressed on the coil of wire by contact roller, and tensioning fast, conveniently.
The described coil of wire comprises body cylindrically, the upper and lower of described body all has the gear line edge of protruding ringwise, body between described two gear lines edges is the storage line portion for winding yarn, and described body lower end has tubular forced section, and above-mentioned driving belt is resisted against outside forced section.
Adopt above structure, can by colorful for ANTIPILLING conductive polyurethane fiber yarn around storage place of line portion, rational in infrastructure.
The wearing layer that can increase frictional force between driving belt is coated with outside described forced section.
Adopt above structure, the anti-wear performance of forced section can be increased by wearing layer, improve the long service life of the coil of wire, long service life.
Described wearing layer is the rubber layer be connected in outside forced section.
Alternatively, described wearing layer is the felt layers be connected in outside forced section.
Described backstay is axially fixed with at least two bearings two along it, and the outer ring of one of them bearing two described is resisted against inside forced section, and the outer ring of other bearing two described is resisted against inside body.
Adopt above structure, can make between the coil of wire and backstay is rolling friction, and frictional resistance is little, rotates smooth and easy.
Described body and gear line are along being integral type structure, and described forced section is connected in body lower end, and described body is plastic material, and described forced section is cast iron materials.
Adopt above structure, the weight of the weight ratio body of forced section can be made large, such coil of wire decentralization, relatively more steady when turning, good operating stability.
Compared with prior art, in this coating machine, the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking has the following advantages:
1, the present invention is by overlapping the coil of wire on the securing lever, and under the elastic acting force of elastic pressuring plate, driving belt is pressed on the coil of wire by contact roller, is rotated by driven by motor driving belt, along with the rotation of driving belt, can realize the rotation operation of the coil of wire, rotates reliable.
2, forced section is connected in body lower end, and body is plastic material, and forced section is cast iron materials; Adopt this structure, the weight of the weight ratio body of forced section can be made large, such coil of wire decentralization, relatively more steady when turning, good operating stability.
3, by unscrewing adjusting screw(rod), contact roller being moved around, after being adjusted to correct position, screwing adjusting screw(rod), can regulate the elastic acting force of elastic pressuring plate, different needs of work can be adapted to, highly versatile.
4, on adjusting screw(rod), cover has friction pad, adopts this structure, by the effect of friction pad, can increase the frictional force between adjusting screw(rod) and adjustment barrel two, and prevent it from occurring the phenomenon loosened, locking effect is good.
5, coated wearing layer outside forced section, adopts this structure, can be increased the anti-wear performance of forced section by wearing layer, improves the long service life of the coil of wire, long service life.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is the perspective view that the present invention removes part.
Fig. 3 is the close-up schematic view at A place in Fig. 2.
Fig. 4 is the sectional view of the coil of wire in the present invention.
In figure, 1, frame; 2, the coil of wire; 2a, body; 2a1, gear line edge; 2a2, storage line portion; 2b, forced section; 3, backstay; 4, driven pulley; 5, carriage; 6, contact roller; 7, driving wheel; 8, connecting plate; 9, motor; 10, driving belt; 11, adjustment barrel one; 12, adjustment barrel two; 13, elastic pressuring plate; 14, connecting rod; 15, friction pad; 16, adjusting screw(rod); 17, bearing one; 18, wearing layer; 19, bearing two.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1 and Figure 2, the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in this coating machine, it is arranged in the frame 1 of coating machine, and it comprises the connecting plate 8 be connected in long plate shape in frame 1, and connecting plate 8 is connected in frame 1 by the mode of welding; Connecting plate 8 is horizontally disposed with and on connecting plate 8, is fixed with some backstays 3 along its length, and in the present embodiment, the quantity of backstay 3 is five; Backstay 3 vertically arranges and backstay 3 lower end is connected on connecting plate 8, and the mode that the lower end of backstay 3 is bolted is connected on connecting plate 8; Backstay 3 also can make the coil of wire 2 be axially fixed in backstay 3 thereon for yarn feeding coil 2 is sheathed, the two ends place of connecting plate 8 has respectively and is connected to driving wheel 7 in frame 1 and driven pulley 4, on driving wheel 7 and driven pulley 4, cover has driving belt 10, between adjacent two backstays 3, there is compressing structure, in the present embodiment, the quantity of compressing structure is four groups; Compressing structure to be pressed on driving belt 10 and driving belt 10 can be made to have be pressed in the trend on this compressing structure left and right sides coil of wire 2, frame 1 is also fixed with actuator and actuator and driving wheel 7 are connected.
As shown in Figure 1 and Figure 2, actuator is motor 9, and rotating shaft and the driving wheel 7 of motor 9 are connected, and the mode that motor 9 is bolted is connected in frame 1, and the mode that the rotating shaft of motor 9 is connected by key and driving wheel 7 are connected.
As shown in Figure 1, Figure 2, Figure 3 shows, compressing structure comprises elastic pressuring plate 13 and contact roller 6, and the inner of elastic pressuring plate 13 is connected in frame 1, and elastic pressuring plate 13 outer end and contact roller 6 are connected; Adopt this structure, under the elastic acting force of elastic pressuring plate 13, driving belt 10 can be pressed on the coil of wire 2 by contact roller 6, and tensioning fast, conveniently.
As shown in Figure 1, Figure 2, Figure 3 shows, elastic pressuring plate 13 outer end is fixed with in shaft-like connecting rod 14, and the outer end of elastic pressuring plate 13 is fixed with connecting rod 14 by the mode of welding; Contact roller 6 is axially connected on connecting rod 14; Adopt this structure, contact roller 6 axial restraint can be enable by connecting rod 14 and circumference is rotated, location fast, convenient; There is between contact roller 6 and connecting rod 14 bearing 1; Adopt this structure, can make between connecting rod 14 and contact roller 6 is rolling friction, and frictional resistance is little, rotates smooth and easy.
As shown in Figure 1 and Figure 2, frame 1 is fixed with the carriage 5 in frame-like, frame 1 is fixed with carriage 5 by the mode of welding; Elastic pressuring plate 13 the inner is connected on carriage 5.
As shown in Figure 1, Figure 2, Figure 3 shows, there is between carriage 5 and elastic pressuring plate 13 the inner the adjustment structure of energy adjustable elastic compressing tablet 13 elastic acting force; Adopt this structure, by the elastic acting force of adjustment structure adjustable elastic compressing tablet 13, easy to adjust; Adjustment structure comprises adjustment barrel 1, adjustment barrel 2 12 and adjusting screw(rod) 16, and it is inner that adjustment barrel 1 is connected in elastic pressuring plate 13, and adjustment barrel 1 is connected in the inner of elastic pressuring plate 13 by the mode of welding; Adjustment barrel 2 12 is connected on above-mentioned carriage 5, and adjustment barrel 2 12 is connected on carriage 5 by the mode of welding; Adjusting screw(rod) 16 upper end has the positioned edge of protrusion, and adjustment is thread through adjustment barrel 2 12 and its lower end is threaded with adjustment barrel 1, and positioned edge can be resisted against adjustment barrel 2 12 upper end.
As shown in Figure 1, Figure 2, Figure 3 shows, on adjusting screw(rod) 16, also cover has the friction pad 15 of annular, and friction pad 15 is pressed between positioned edge and adjustment barrel 2 12 upper end; Adopt this structure, by the effect of friction pad 15, can increase the frictional force between adjusting screw(rod) 16 and adjustment barrel 2 12, prevent it from occurring the phenomenon loosened, locking effect is good; Friction pad 15 is rubber blanket, certainly, also can adopt this kind of embodiment, that is: friction pad 15 is elastic washer.
According to actual conditions, also can adopt this kind of embodiment, that is: compressing structure comprises carriage 5, spring, compact heap and contact roller 6, and carriage 5 is fixed in frame 1 by the mode of welding; Carriage 5 has recessed hold-down apertures, and compact heap and spring are all positioned at hold-down apertures place and carriage 5 is stretched out in compact heap outer end under spring force effect, and contact roller 6 is movably connected in compact heap outer end; Adopt this structure, under the elastic force effect of spring, driving belt 10 can be pressed on the coil of wire 2 by contact roller 6, and tensioning fast, conveniently.
As Figure 1 and Figure 4, the coil of wire 2 comprises body 2a cylindrically, the upper and lower of body 2a all has the gear line that protrudes ringwise along 2a1, two gear lines are the storage line portion 2a2 for winding yarn along the body 2a between 2a1, adopt this structure, can by colorful for ANTIPILLING conductive polyurethane fiber yarn around storage 2a2 place of line portion, rational in infrastructure; Body 2a lower end has tubular forced section 2b, and driving belt 10 is resisted against outside forced section 2b.
As Figure 1 and Figure 4, the wearing layer 18 that can increase frictional force between driving belt 10 is coated with outside forced section 2b; Adopt this structure, the anti-wear performance of forced section 2b can be increased by wearing layer 18, improve the long service life of the coil of wire 2, long service life; Wearing layer 18 is for being connected in the rubber layer outside forced section 2b, and rubber layer is fixed on the outside of forced section 2b by 3M adhesive tape; Certainly, also can adopt this kind of embodiment, that is: wearing layer 18 is for being connected in the felt layers outside forced section 2b.
As shown in Figure 4 and 1, backstay 3 is axially fixed with at least two bearings 2 19 along it, and in the present embodiment, the quantity of bearing 2 19 is three; The outer ring of one of them bearing 2 19 is resisted against inside forced section 2b, and the outer ring of other bearing 2 19 is resisted against inside body 2a; Adopt this structure, can make between the coil of wire 2 and backstay 3 is rolling friction, and frictional resistance is little, rotates smooth and easy; Body 2a and gear line are integral type structure along 2a1, and forced section 2b is connected in body 2a lower end, and body 2a is plastic material, and forced section 2b is cast iron materials; Adopt this structure, the weight of the weight ratio body 2a of forced section 2b can be made large, the such coil of wire 2 decentralization, relatively more steady when turning, good operating stability.
Operation principle of the present invention is as follows: be enclosed within backstay 3 by the coil of wire 2 being full of the thin leg wrap yarn of ANTIPILLING plucking; By unscrewing adjusting screw(rod) 16, contact roller 6 is moved around, after being adjusted to correct position, screw adjusting screw(rod) 16, the elastic acting force of elastic pressuring plate 13 is transferred to suitable size, and under the elastic acting force of elastic pressuring plate 13, driving belt 10 is pressed on the coil of wire 2 by contact roller 6; Control the axis of rotation of motor 9, the rotating shaft of motor 9 drives driving wheel 7 to rotate, and driving wheel 7 drives driving belt 10 to rotate, and along with the rotation of driving belt 10, yarn can be driven to rotate, thus realize the rotation operation of the coil of wire 2.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ frame 1, the coil of wire 2, body 2a, gear line herein along terms such as 2a1, storage line portion 2a2, forced section 2b, backstay 3, driven pulley 4, carriage 5, contact roller 6, driving wheel 7, connecting plate 8, motor 9, driving belt 10, adjustment barrel 1, adjustment barrel 2 12, elastic pressuring plate 13, connecting rod 14, friction pad 15, adjusting screw(rod) 16, bearing 1, wearing layer 18, bearings 2 19, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine, it is arranged in the frame of coating machine, it is characterized in that, it comprises the connecting plate be connected in long plate shape in frame, described connecting plate is horizontally disposed with and is fixed with some backstays along its length on connecting plate, described backstay is vertically arranged and backstay lower end is connected on above-mentioned connecting plate, described backstay also can make coil of wire axial restraint on the securing lever thereon for yarn feeding coil is sheathed, the two ends place of described connecting plate has respectively and is connected to driving wheel in frame and driven pulley, on described driving wheel and driven pulley, cover has driving belt, between described adjacent two backstays, there is compressing structure, above-mentioned compressing structure compresses on the belt and driving belt can be made to have be pressed in the trend on the coil of wire of this compressing structure left and right sides, described frame is also fixed with actuator and actuator and above-mentioned driving wheel are connected.
2. the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine according to claim 1, it is characterized in that, the described coil of wire comprises body cylindrically, the upper and lower of described body all has the gear line edge of protruding ringwise, body between described two gear lines edges is the storage line portion for winding yarn, described body lower end has tubular forced section, and above-mentioned driving belt is resisted against outside forced section.
3. the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine according to claim 2, is characterized in that, be coated with the wearing layer that can increase frictional force between driving belt outside described forced section; Described wearing layer is the rubber layer be connected in outside forced section.
4. the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine according to claim 3, it is characterized in that, described backstay is axially fixed with at least two bearings two along it, the outer ring of one of them bearing two described is resisted against inside forced section, and the outer ring of other bearing two described is resisted against inside body.
5. the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine according to claim 4, it is characterized in that, described body and gear line are along being integral type structure, and described forced section is connected in body lower end, described body is plastic material, and described forced section is cast iron materials.
6. the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine according to claim 1, it is characterized in that, described actuator is motor, and rotating shaft and the above-mentioned driving wheel of described motor are connected.
7. the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine according to claim 1, it is characterized in that, described compressing structure comprises elastic pressuring plate and contact roller, and the inner of described elastic pressuring plate is connected in frame, and described elastic pressuring plate outer end and contact roller are connected.
8. the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine according to claim 7, it is characterized in that, described elastic pressuring plate outer end is fixed with in shaft-like connecting rod, and above-mentioned contact roller is axially connected on connecting rod; There is between described contact roller and connecting rod bearing one; Described frame is fixed with the carriage in frame-like, described elastic pressuring plate the inner is connected on carriage.
9. the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine according to claim 8, is characterized in that, having between described carriage and elastic pressuring plate the inner can the adjustment structure of adjustable elastic compressing tablet elastic acting force.
10. the coil of wire drive unit of the thin leg wrap yarn of ANTIPILLING plucking in coating machine according to claim 9, it is characterized in that, described adjustment structure comprises adjustment barrel one, adjustment barrel two and adjusting screw(rod), described adjustment barrel one is connected in elastic pressuring plate the inner, described adjustment barrel two is connected on above-mentioned carriage, described adjusting screw(rod) upper end has the positioned edge of protrusion, described adjustment is thread through adjustment barrel two and its lower end is threaded with adjustment barrel one, and above-mentioned positioned edge can be resisted against adjustment barrel two upper end; On described adjusting screw(rod), also cover has the friction pad of annular, and described friction pad is pressed between positioned edge and adjustment barrel two upper end; Described friction pad is rubber blanket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510299650.5A CN104928811B (en) | 2015-06-03 | 2015-06-03 | Spool drive unit for anti-pilling napped leg-slimming covered yarns in covering machines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510299650.5A CN104928811B (en) | 2015-06-03 | 2015-06-03 | Spool drive unit for anti-pilling napped leg-slimming covered yarns in covering machines |
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| CN104928811A true CN104928811A (en) | 2015-09-23 |
| CN104928811B CN104928811B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510299650.5A Active CN104928811B (en) | 2015-06-03 | 2015-06-03 | Spool drive unit for anti-pilling napped leg-slimming covered yarns in covering machines |
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| CN104928810A (en) * | 2015-06-03 | 2015-09-23 | 海宁市亚星花色丝有限公司 | Spool drive unit for anti-pilling colored conductive polyurethane fiber yarns in covering machines |
| CN105365367A (en) * | 2015-11-29 | 2016-03-02 | 倪德米 | Elastic paper pressing wheel |
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| CN104928810A (en) * | 2015-06-03 | 2015-09-23 | 海宁市亚星花色丝有限公司 | Spool drive unit for anti-pilling colored conductive polyurethane fiber yarns in covering machines |
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| CN105365367A (en) * | 2015-11-29 | 2016-03-02 | 倪德米 | Elastic paper pressing wheel |
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|---|---|
| CN104928811B (en) | 2017-05-10 |
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