CN202298062U - Device for automatically adjusting passive yarn feeding resistance of yarn wheel - Google Patents
Device for automatically adjusting passive yarn feeding resistance of yarn wheel Download PDFInfo
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- CN202298062U CN202298062U CN2011204507229U CN201120450722U CN202298062U CN 202298062 U CN202298062 U CN 202298062U CN 2011204507229 U CN2011204507229 U CN 2011204507229U CN 201120450722 U CN201120450722 U CN 201120450722U CN 202298062 U CN202298062 U CN 202298062U
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- resistance
- yarn
- frame
- line wheel
- groove
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Abstract
The utility model discloses a device for automatically adjusting passive yarn feeding resistance of a yarn wheel and belongs to the field of machinery. The device comprises an L-shaped swing rod press rack (5) and a support (12), wherein a nylon roller (9) is arranged at the upper end of the L-shaped swing rod press rack and closely attached to a yarn ball cylindrical surface (14); a resistance rope tapered strap draw hook fastening sleeve (7), a tension spring (11) and an adjusting screw rod (10) are connected in sequence with one end of a frictional resistance rope (2); and the adjusting screw rod (10) penetrates through a through groove (6) of the L-shaped swing rod press rack, sheathed with a toothed positioning gasket (6) and fixed through screws. The device can automatically ensure inverse proportion between the rotation speed of the yarn wheel and the diameter of the yarn ball cylindrical surface, that is, the less the diameter of the yarn ball cylindrical surface is, the faster the rotation speed of the yarn wheel is, as a result, the linear speed of yarn output from the yarn wheel is constant. Therefore, the utility model can completely overcome the problems that the resistance required for rotating the yean wheel is adjusted by manually increasing or reducing iron weights, and the time point of increasing or reducing iron weights is hard to be grasped, and products are liable to have the defects such as non-uniform elasticity, non-uniform thickness, bending or the like.
Description
Technical field
The utility model relates to a kind of line wheel passive type and send yarn resistance self-checking device.Be applicable to: the passive automatic adjusting of sending the yarn resistance of used line crop rotation in the crochet machine that lace, elastic webbing and inelastic straps class are produced, warp knitting machine, the weft machine (being shuttleless ribbon looms).
Background technology
In the prior art, because the requirement of ribbon technology, the passive yarn that send of line wheel must possess certain tensioner degree; At present in the world in the industry; The method of being sent yarn to adopt by the moving-wire wheel is to be installed in the line wheel that has the frictional resistance grooving (or claiming the yarn wheel) on the loom line wheel carrier, and eternal lasting of leaning on an iron plate to make are pressed frame, and eternal lasting press frame to support on the online wheel carrier with a pivot pin; Be enclosed within on the line wheel that has the resistance groove with a nylon rope; One in rope ties up on the eternal lasting pressure frame fixed-bearing axis, and the other end ties up on the eternal lasting pressure frame tail end point, and eternal lasting press the frame tail end to put and press several top iron pouring weights; Lean on top iron weight to make eternal lasting frame tension resistance trolley and line wheel drag groove produce frictional resistance, the line wheel is seen yarn tensioner degree off and is leaned on eternal lasting to press the increase and decrease of frame tail end top iron quantity to reach requirement.Required yarn feeding is permanent linear speed when working because of loom, and it also is constant drawing yarn power, so when line wheel yarn face diameter is big, the top iron quantity of placement will be more, the frictional resistance when having increased that the line wheel rotates makes the line wheel keep slower speed to rotate; When line wheel yarn face diameter diminishes, the top iron quantity of placement will be lacked, and the frictional resistance when having reduced that the line wheel rotates makes the line wheel keep fast speeds to rotate.This device greatest drawback is that line wheel rotates required resistance and leans on and artificially be very difficult to hold with increase and decrease of top iron and increase and decrease time point, and the speed that is difficult to retention wire wheel output yarn is constant speed, causes product elasticity inequality, thickness or bending easily.
The utility model content
The purpose of the utility model provides a kind of line wheel passive type and send yarn resistance self-checking device, and compared with prior art, this device retention wire wheel speed automatically changes along with yarn face diameter variation, and the speed of retention wire wheel output yarn is constant speed.Thereby thoroughly overcome line and taken turns the artificial increase and decrease of the required resistance dependence of rotation top iron because of the improper defectives such as product elasticity inequality, thickness or bending that cause.
The utility model for realizing the technical scheme that above-mentioned purpose is taked is: this line wheel passive type send yarn resistance self-checking device, comprises the frictional resistance rope, and said frictional resistance rope is embedded in the line wheel frictional groove of line wheel; It also includes L type fork and presses frame, support.
Said L type fork presses the upper end of frame that the nylon roller is installed, and said L type fork presses the lower end of frame to be provided with groove, and said L type fork presses the corner of frame to be provided with rotating shaft; Said rotating shaft is installed in the shaft hole on the support; Said support is fixed on the column of braiding machine line wheel carrier.
One end of said frictional resistance rope inserts in the tight collar of resistance trolley taper band drag hook and shrinks fastening; The tight collar other end of said resistance trolley taper band drag hook drag hook hangs up an end of tension spring; The other end of said tension spring is hooked in the aperture of regulating screw mandrel; Said adjusting screw mandrel passes the groove that L type fork is pressed frame, puts the profile of tooth locating shim, and fixes with nut.
The other end of said frictional resistance rope with bolt in the resistance trolley fixing threaded hole of support.
The nylon roller that said L type fork presses the upper end of frame to install is close on the yarn coil cylinder.
Above technical scheme can find out, this line wheel passive type send the advantage of yarn resistance self-checking device to be: be permanent line amount and permanent pulling force to the yarn demand during loom work. this device utilizes lever swing arm principle, and the nylon roller that L type fork presses the upper end of frame to install is close on the yarn coil cylinder; It is tension spring that fork is pressed the other end of frame; Be strained and fixed on support one in frictional resistance rope of the spring other end makes frictional resistance rope and line wheel frictional groove produce friction, regulates the line wheel with set screw and positioning tooth pad and rotates required resistance; Line-wheel yarn amount reduces during loom work; Line wheel yarn face diameter diminishes, and lever swing arm pivot angle changes, and tension spring also reduces the pulling force of frictional resistance rope automatically; Material therefor is not led because of yarn-feeding process line wheel drag is uneven and is put material and drawn and lose bullet or distortion when making ribbon; Improve ribbon technology and product specification, stop not conform to the loss of technological requirement, and this device is installed simply because of manually-operated error or the operation of decompression weight the time point successively product that causes; Easy to make, save material cost.In addition, L type fork presses the groove bottom surface of frame to be provided with a plurality of sawtooth, and the profile of tooth locating shim is buckled on the diverse location of sawtooth as required.The pulling force of tension spring tension frictional resistance rope, the online yarn face diameter of taking turns is greatly to the also difference of ratio of successively decreasing of yarn face diameter hour.When positioning tooth is buckled in L type fork when pressing the outmost sawtooth of frame, line wheel yarn face diameter changes to hour from maximum, and spring is to the pulling force of the frictional resistance rope ratio maximum of successively decreasing, the yarn that the elasticity that suitable elastic band is used is big.When positioning tooth is buckled in L type fork when pressing the sawtooth of the inner face of frame, line wheel yarn face diameter changes to hour from maximum, and the pulling force of the spring frictional resistance rope ratio minimum of successively decreasing is fit to low elastic band or nonelastic with used low elasticity or nonelastic line.
Because material requested is that loom self power is pulled out from the traction of line wheel when band class, lace manufacturing, and yarn material is had certain tension requirement, belongs to passive type and send yarn; This device utilizes the mark post principle to successively decrease the suffered tension uniform of resistance friction rope; As long as line is taken turns required resistance and once adjusted and close requirement, production process need not be adjusted, and it is indeformable to reach the equilibrium of product elasticity; Improve product specification, and low cost of manufacture, install simple, easy to adjust.
Description of drawings
Fig. 1 is that the line wheel passive type of prior art send yarn drag regulator sketch map.
Fig. 2 is the top iron sketch map that the line wheel passive type of prior art send the yarn drag regulator.
Fig. 3 is that the line wheel passive type of the utility model send yarn resistance self-checking device sketch map.
Fig. 4 is the resistance self-checking device sketch map of line wheel yarn face diameter when big.
Fig. 5 is a line wheel yarn face diameter resistance self-checking device sketch map hour.
Fig. 6 is the structural representation that L type fork is pressed frame.
Fig. 7 is the structural representation of support.
Fig. 8 is the whole schematic perspective view of the adjusting device of the utility model.
Fig. 9 is that tension spring in the self-checking device, adjusting screw mandrel and L type fork are pressed frame assembling sketch map.
Figure 10 is the sketch map that the nylon roller contacts with the yarn coil cylinder.
Figure 11 is the floor map of profile of tooth locating shim.
Figure 12 be among Figure 11 A-A to cross-sectional schematic.
The meaning of each main mark among the figure: 1-line wheel; 2-frictional resistance rope; 3-top iron; 4-eternal lasting are pressed frame; 5-L type fork is pressed frame; 6-profile of tooth locating shim; The tight collar of 7-resistance trolley taper band drag hook; 8-resistance trolley fixing threaded hole; 8a-resistance trolley fixing threaded hole two; 8b-resistance trolley fixing threaded hole three; 8c-resistance trolley fixing threaded hole four; 9-nylon roller; 10-regulates screw mandrel; The 11-tension spring; The 12-support; The 13-column; 14-yarn coil cylinder; The yarn coil cylinder that the 14a-diameter is bigger; The yarn coil cylinder that the 14b-diameter is less; 15-line wheel frictional groove; The 16-groove; The 17-sawtooth; The 18-rotating shaft; The 19-rotating shaft; The 20-shaft hole; 21-protrudes the position.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further done explanation at length.A kind of line wheel passive type that the utility model provides send yarn resistance self-checking device, comprises frictional resistance rope 2, and said frictional resistance rope 2 is embedded in the line wheel frictional groove 15 of line wheel 1; It also includes L type fork and presses frame 5, support 12.
Said L type fork presses the upper end of frame 5 that nylon roller 9 is installed, and said L type fork presses the lower end of frame 5 to be provided with groove 16, and said L type fork presses the corner of frame 5 to be provided with rotating shaft 18; Said rotating shaft 18 is installed in the shaft hole 20 on the support 12; Said support 12 is fixed on the column 13 of braiding machine line wheel carrier.
One end of said frictional resistance rope 2 inserts in the tight collar 7 of resistance trolley taper band drag hook and shrinks fastening; Tight collar 7 other end drag hooks of said resistance trolley taper band drag hook hang up an end of tension spring 11; The other end of said tension spring 11 is hooked in the aperture of regulating screw mandrel 10; Said adjusting screw mandrel 10 passes the groove 16 that L type fork is pressed frame 5, puts profile of tooth locating shim 6, and fixes with nut.The protrusion position 21 of said location grooved metal gasket 6 is done L type fork with the position and is pressed the recessed position of the sawtooth 17 of groove 16 bottom surfaces on the frame 5 to match.
The other end of said frictional resistance rope 2 with bolt in the resistance trolley fixing threaded hole 8 of support 12.
The nylon roller 9 that said L type fork presses the upper end of frame 5 to install is close on the yarn coil cylinder 14.
When actual installation was regulated, being screwed support 12 in the C shape groove of braiding machine line wheel carrier was on the column 13 of line wheel bolster below, and L type fork presses frame 5 usefulness threaded rotating shafts 18 supportings to be installed in the shaft hole 20 on the support 12.Frictional resistance rope 2 is placed on the line wheel frictional groove 15 of line wheel 1, frictional resistance 2 one ends of restricting insert an end endoporus of the tight collar band 7 of resistance trolley taper band drag hook and shrink fastening; The other end drag hook of the tight collar 7 of resistance trolley taper band drag hook hangs up tension spring 11 1 ends; The other end of tension spring 11 is hooked in the aperture of regulating screw mandrel 10; Regulate screw mandrel 10 and pass L type fork and press the tensile force of belt of frame 5 to change the groove 16 of ratio teeth groove, put profile of tooth locating shim 6 nut of screwing on.Frictional resistance 2 other ends of restricting penetrate in the resistance trolley fixing threaded hole 8 of support 12.
Tension frictional resistance rope 2 makes fork press the roller 9 on the frame to lean on wire stretching wheel yarn coil cylinder 14, with screw and nut frictional resistance 2 other ends of restricting is tightened in the resistance trolley fixing threaded hole 8 that is tightened in support 12.
Line wheel passive type to the utility model send yarn resistance self-checking device to carry out in the actual test; Can obtain following test data: when location grooved metal gasket 6 is buckled in L type fork when pressing first teeth groove of groove 16 of frame 5; Yarn coil cylinder 14 is 10 millimeters of the every minimizings of yarn wheel yarn face diameter, and the pulling force of tension spring 11 tension frictional resistance ropes 2 successively decreases about 0.12 kilogram.When location grooved metal gasket 6 is buckled in L type fork when pressing second teeth groove of groove 16 of frame 5,10 millimeters of the every minimizings of yarn coil cylinder 14 diameters, tension spring tension frictional resistance rope tension successively decreases about 0.156 kilogram.When location grooved metal gasket 4 is buckled in L type fork when pressing the 3rd teeth groove of groove 16 of frame 5,10 millimeters of the every minimizings of yarn coil cylinder 14 diameters, tension spring tension frictional resistance rope tension successively decreases about 0.192 kilogram.When location grooved metal gasket 6 is buckled in L type fork when pressing the 4th teeth groove of groove 16 of frame 5,10 millimeters of the every minimizings of yarn coil cylinder 14 diameters, tension spring tension frictional resistance rope tension successively decreases about 0.228 kilogram.When location grooved metal gasket 6 is buckled in L type fork when pressing the 5th teeth groove of groove 16 of frame 5,10 millimeters of the every minimizings of yarn coil cylinder 14 diameters, tension spring tension frictional resistance rope tension successively decreases about 0.264 kilogram.When location grooved metal gasket 6 is buckled in L type fork when pressing the 6th teeth groove of groove 16 of frame 5,10 millimeters of the every minimizings of yarn coil cylinder 14 diameters, tension spring tension frictional resistance rope tension successively decreases about 0.3 kilogram.When location grooved metal gasket 6 is buckled in L type fork when pressing the 7th teeth groove of groove 16 of frame 5,10 millimeters of the every minimizings of yarn coil cylinder 14 diameters, tension spring tension frictional resistance rope tension successively decreases about 0.336 kilogram.The surface of tension spring 11 has scale and indicates the size that can directly observe the frictional resistance rope tension.
In the practical operation, can be installed in location grooved metal gasket 6 on the sawtooth of suitable groove bottom surface according to the elasticity of yarn, adjustment is regulated nut to frictional resistance rope tension on the screw mandrel 10 and is reached manufacturing technique requirent and get final product again.This device is installed need not change all original structures of loom.
The correct installation of frictional resistance rope is the key of present technique scheme.Earlier the frictional resistance rope sling is taken turns on the frictional groove 15 to the line of line wheel 1; Resistance trolley one end inserts resistance trolley taper tight collar 7 endoporus of band drag hook and shrinks fastening; Tight collar hook upper pulling force spring 11 1 ends, the spring other end is hooked in the aperture of regulating screw mandrel 10, regulates screw mandrel 10 and passes the groove 16 that fork is pressed frame tensile force of belt variation ratio teeth groove ditch; Put locating shim 6 nut of screwing on, the frictional resistance rope other end passes resistance trolley fixing threaded hole 8 through screw rod.
Also be provided with resistance trolley fixing threaded hole two 8a, resistance trolley fixing threaded hole three 8b, resistance trolley fixing threaded hole four 8c in the left side of resistance trolley fixing threaded hole 8, rotate suffered resistance size to regulate line wheel 1.When selecting resistance trolley fixing threaded hole four 8c, the suffered resistance of line wheel 1 rotation is big; When selecting resistance trolley fixing threaded hole 8, the suffered resistance of line wheel 1 rotation is little.Tension frictional resistance rope makes L type fork press that nylon roller 9 leans on wire stretching wheel yarn face 14 on the frame 5, with nut tighten the screws is tightened on the support, selects locating slot, and adjustment is regulated the feed screw nut and reached manufacturing technique requirent to the resistance trolley pulling force and get final product.
This device is applicable to all laces, the band type crochet machine of producing, warp knitting machine, the used line wheel that has the resistance trolley frictional groove of weft machine (being shuttleless ribbon looms).No matter the resistance grooving is placed outside maximum or onlinely taken turns outer outer placing, or a plurality of line wheel is fixed on same axis and an arbitrary end and has and can establish the frictional resistance groove and all can use this device.
Claims (4)
1. line wheel passive type send yarn resistance self-checking device, comprises frictional resistance rope (2), and said frictional resistance rope (2) is embedded in the frictional groove (15) of line wheel (1); It is characterized in that: it also includes L type fork and presses frame (5), support (12); Said L type fork presses the upper end of frame (5) that nylon roller (9) is installed, and said L type fork presses the lower end of frame (5) to be provided with groove (16), and said L type fork presses the corner of frame (5) to be provided with rotating shaft (18); Said rotating shaft (18) is installed in the shaft hole (20) on the support (12), and said rotating shaft (18) and shaft hole (20) are for being slidingly matched; Said support (12) is fixed on the column (13) of braiding machine line wheel carrier;
One end of said frictional resistance rope (2) inserts in the resistance trolley taper tight collar of band drag hook (7) and shrinks fastening; The said tight collar of resistance trolley taper band drag hook (7) other end drag hook hangs up an end of tension spring (11); The other end of said tension spring (11) is hooked in the aperture of regulating screw mandrel (10); Said adjusting screw mandrel (10) passes the groove (16) that L type fork is pressed frame (5), puts profile of tooth locating shim (6), and fixes with nut;
The other end of said frictional resistance rope (2) with bolt in the resistance trolley fixing threaded hole (8) of support (12);
The nylon roller (9) that said L type fork presses the upper end of frame (5) to install is close on the yarn coil cylinder (14).
2. line as claimed in claim 1 wheel passive type send yarn resistance self-checking device, and it is characterized in that: the left side at resistance trolley fixing threaded hole (8) also is provided with the resistance trolley fixing threaded hole--(8a), resistance trolley fixing threaded hole three (8b), resistance trolley fixing threaded hole four (8c).
3. line wheel passive type as claimed in claim 2 send yarn resistance self-checking device, it is characterized in that: the protrusion position (21) of said location grooved metal gasket (6) is done L type fork with the position and is pressed the recessed position of the sawtooth (17) of groove (16) bottom surface on the frame (5) to match.
4. send yarn resistance self-checking device like described any line wheel passive type of claim 1-3, it is characterized in that: the surface of tension spring (11) has scale and indicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204507229U CN202298062U (en) | 2011-11-06 | 2011-11-06 | Device for automatically adjusting passive yarn feeding resistance of yarn wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204507229U CN202298062U (en) | 2011-11-06 | 2011-11-06 | Device for automatically adjusting passive yarn feeding resistance of yarn wheel |
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| Publication Number | Publication Date |
|---|---|
| CN202298062U true CN202298062U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204507229U Expired - Fee Related CN202298062U (en) | 2011-11-06 | 2011-11-06 | Device for automatically adjusting passive yarn feeding resistance of yarn wheel |
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| CN (1) | CN202298062U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505318A (en) * | 2011-11-06 | 2012-06-20 | 张洪周 | Automatic adjusting device for passive yarn feeding resistance of reels |
| CN104213324A (en) * | 2014-09-12 | 2014-12-17 | 浙江雅娜纺织有限公司 | Gravity tensioner in warp knitting machine |
| CN114193471A (en) * | 2021-12-17 | 2022-03-18 | 重庆特斯联智慧科技股份有限公司 | Airport hauling robot |
| CN114193471B (en) * | 2021-12-17 | 2024-05-24 | 北京未末卓然科技有限公司 | Airport hauling robot |
-
2011
- 2011-11-06 CN CN2011204507229U patent/CN202298062U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505318A (en) * | 2011-11-06 | 2012-06-20 | 张洪周 | Automatic adjusting device for passive yarn feeding resistance of reels |
| CN104213324A (en) * | 2014-09-12 | 2014-12-17 | 浙江雅娜纺织有限公司 | Gravity tensioner in warp knitting machine |
| CN114193471A (en) * | 2021-12-17 | 2022-03-18 | 重庆特斯联智慧科技股份有限公司 | Airport hauling robot |
| CN114193471B (en) * | 2021-12-17 | 2024-05-24 | 北京未末卓然科技有限公司 | Airport hauling robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20131106 |