CN203174307U - Tension control and torsional spring steel coil braking device of knitter spindle - Google Patents
Tension control and torsional spring steel coil braking device of knitter spindle Download PDFInfo
- Publication number
- CN203174307U CN203174307U CN 201320199141 CN201320199141U CN203174307U CN 203174307 U CN203174307 U CN 203174307U CN 201320199141 CN201320199141 CN 201320199141 CN 201320199141 U CN201320199141 U CN 201320199141U CN 203174307 U CN203174307 U CN 203174307U
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- central shaft
- coil
- spindle
- torsion spring
- pull bar
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Abstract
The utility model provides a tension control and torsional spring steel coil braking device of a knitter spindle. The tension control and torsional spring steel coil braking device comprises a steel coil torsional spring, an elastic sleeve, a sub spindle, a base and a central shaft, wherein an upper torsional arm of the steel coil torsional spring is inserted into an upper notch of the elastic sleeve; a lower torsional arm of the steel coil torsional spring is inserted into a notch of the central shaft; the inner wall of the steel coil torsional spring simultaneously wraps up the sub spindle and the outer wall of the central shaft in the free state; a gap exists between the elastic sleeve and the steel coil torsional spring, so that the elastic sleeve and the steel coil torsional spring can oppositely rotate; an idler wheel is arranged on a bulge at the upper end of the elastic sleeve, and the peripheral outline of the idler wheel is clung to a tapered wedge of a pull rod; and during machine halt, the tensile force of knitted silks disappears instantly, the pull rod falls on the base under the action of the spring, the tapered wedge loosens the pushing force on the idler wheel in the falling process, the elastic sleeve rotationally resets, the steel coil torsional spring returns to the free state, the spiral inner diameter simultaneously wraps up the central shaft and the outer wall of the sub spindle, and the spindle is clamped by a convex sheet on the upper end surface of the sub spindle, so that the spindle stops rotating instantly. The tension control and torsional spring steel coil braking device is braked by a contracting brake and is sensible and reliable to brake.
Description
Technical field
The present invention relates to the braiding machine technical field, specifically refer to tension force control and the torsion spring coil of strip brake apparatus of braiding machine spindle.
Background technology
High pressure oil hose, air hose, cable flexible pipe etc., even comprise the delivery hose that bathroom is used, all need be wound in net with braided wires such as wire or nylon yarns at the outer braid protective layer.The general structure of China's braiding machine all is to have more than 20 spindle walking S shape track round the flexible pipe of central authorities on panel; in traveling process, braided wires is wound on the flexible pipe of central authorities; weaving require spindle continuously, permanent tension force ground supplies braided wires; if the silk of one of them spindle uses up or is disconnected; the entire machine shutdown of all can cutting off the power supply automatically; after the operative employee disposes, continue the start braiding, the frequency of shutting down in the as seen braiding process is still than higher.When outage shutdown suddenly; all have the spindle of silk all can continue rotation under effect of inertia to supply silk outward; and the braiding process is suspended; the thread tension of unnecessary supply disappears; more than the silk thread that the spindle that inertia is good throws away even can be entangled with agglomerating; particularly use heavy wire bigger as the spindle inertia of raw material, the quality of influence start braiding next time, the emersion wave striated structure is lax.Weaving requires spindle to brake at once when shutting down, and the inertia wire vent is more short more good, and the tension fluctuation of braided wires is the smaller the better before and after wishing to shut down.Existing braiding machine is still far from perfect in this respect, the spindle brake mechanism of the prior art shown in the Figure of description 1 for example, be to promote fork by pull bar, brake the spindle chassis with friction plate, but friction plate weares and teares easily, and the life-span is short, and the brake weight instability is skidded after infiltering oil easily, react insensitive, the brake stroke is big.The inventor is engaged in the braiding machine manufacturing for many years, through practice accumulation and concentrated research and development, has solved this problem finally, and this case takes place thus.
Summary of the invention
The object of the present invention is to provide that brake is sensitive, braking torque is big, tension force control and the torsion spring coil of strip brake apparatus of the braiding machine spindle that can both control braided wires tension force in the braiding process and before and after shutting down.
To achieve these goals, technical scheme of the present invention is as follows:
The control of the tension force of braiding machine spindle and torsion spring coil of strip brake apparatus comprise: coil of strip torsion spring, elastic cover, axle are paid, base, central shaft, spindle, pull bar, little spring, big spring, upper spider;
Described coil of strip torsion spring is turned round arm in horizontal direction on it, is inserted on the elastic cover in the breach; Turn round arm under it and vertically arrange, be inserted in the central shaft breach; The spiral internal diameter of coil of strip torsion spring is identical with the external diameter that axle is paid a lower end, central shaft step, and under free state, the inwall of coil of strip torsion spring has wrapped simultaneously that axle is paid and the outer wall of central shaft, and how much frictional force of wrapping generation can adjusting by the spiral number of turns;
Described elastic cover is cylindric, is enclosed within outside the coil of strip torsion spring, and is gapped between the two, can rotate relatively; The upper end of elastic cover is to outer lug, and breach holds the arm of turning round of coil of strip torsion spring on projection is provided with, and a roller also has been installed on projection, and the circumference profile of roller is close on the wedge of pull bar; The lower end of elastic cover has the baffle plate on following breach and the base to cooperate, and is equipped with between the following breach of baffle plate and elastic cover and holds out against spring, holds out against spring and promotes elastic cover, makes the elastic cover power that has certain effect, and allows the coil of strip torsion spring have the trend of wrapping central shaft;
Described axle is paid and is cylindric, is enclosed within on the central shaft, can rotate freely around central shaft, and the lower surface that axle is paid is shelved on the central shaft step; The upper end that axle is paid has the bayonet socket of lug and spindle lower surface adaptive, makes the matching relationship that axle is paid and spindle keeps rotation synchronously and stops simultaneously;
Described pull bar top is cylinder, slides in the through hole of upper spider, and a little spring is being overlapped in the cylinder outside, withstands between upper spider and the pull bar boss; The pull bar bottom is special-shaped block, and there is a wedge side of special-shaped block, and the inclined-plane of wedge and the roller of elastic cover are adjacent to, and when pull bar upwards slided, the inclined-plane promoted roller and rotates together with elastic cover; Pull bar is during to lower slider, and the inclined-plane has loosened the thrust of pair roller, and elastic cover resets under the effect of coil of strip torsion spring;
All sell on described upper spider and the pull bar special-shaped block and be connected godet roller, thread guide also has been installed on the upper spider;
Described central shaft is fixed on the base with screw.
As preferred version, there is through hole to slide up and down along the axis of guide that is fixed on the base on the special-shaped block of pull bar, be convenient to accurately limit the sliding trace of pull bar;
As preferred version, the axis of guide overcoat of base big spring, holds out against between upper spider and pull bar special-shaped block; Pull bar is applied downward thrust.
As preferred version, be provided with several oval holes on the base, described central shaft is fixed on the base with screw, and screw is selected the fixed position in the restricted portion of oval hole, can adjust the torsion spring bayonet socket position of central shaft, thereby adjust the initial tightness of coil of strip torsion spring.
The invention has the beneficial effects as follows: owing to adopted " band-type brake " brake, brake is sensitive, braking torque is especially big, and the brake stroke is extremely short, is suitable for braided wires especially and is not only thick but also heavy metal wire knitted machine; And when in the braiding process, tension fluctuation occurring, flexible power buffering and adjusting automatically, braided wires tension fluctuation scope is little, the unwrapping wire equilibrium; The present invention is simple and compact for structure, and " band-type brake " brake does not have flecition power to central shaft, to keeping mechanical precision very favourable.
Description of drawings
Fig. 1 is the spindle structural representation of prior art;
Fig. 2 is structural representation of the present invention (arrow is the braided wires direction of advance);
Fig. 3 is right view of the present invention;
Fig. 4 is the A-A line cutaway view along Fig. 3;
Fig. 5 be elastic cover, torsion spring coil of strip work schematic diagram (for seeing details clearly, axle pay, spindle conceals);
Fig. 6 is elastic cover, torsion spring coil of strip, axle pair STRUCTURE DECOMPOSITION figure;
Fig. 7 is the STRUCTURE DECOMPOSITION schematic diagram that spindle and axle are paid;
Fig. 8 is the work schematic diagram of wedge;
Fig. 9 is the decomposing schematic representation of base and central shaft.
Description of reference numerals:
Turn round under arm, the 1-2 on 1 coil of strip torsion spring, the 1-1 and turn round arm, 2 elastic covers, breach, 2-3 roller, 2-4 hold out against spring under the last breach of 2-1, the 2-2,3 pairs, 3-1 lug, 4 bases, 4-1 baffle plate, 4-2 oval hole, 5 central shafts, 5-1 torsion spring bayonet socket, 6 spindles, 6-1 bayonet socket, 7 pull bars, 7-1 special-shaped block, 7-2 wedge, 8 little springs, 9 big springs, 10 upper spiders, 11 thread guides, 12 godet rollers, 13 braided wires.
The specific embodiment
Below by drawings and Examples the present invention is further elaborated.
Embodiment 1:
The control of the tension force of braiding machine spindle and torsion spring coil of strip brake device structure such as Fig. 2-shown in Figure 9 comprise: coil of strip torsion spring 1, elastic cover 2, axle pay 3, base 4, central shaft 5, spindle 6, pull bar 7, little spring 8, big spring 9, upper spider 10;
Referring to Fig. 5-Fig. 7, turn round arm 1-1 on the coil of strip torsion spring 1 in horizontal direction, be inserted on the elastic cover in the breach 2-1; Turn round arm 1-2 under it and vertically arrange, be inserted in the step breach of central shaft 5; The spiral internal diameter of coil of strip torsion spring 1 is identical with the external diameter that axle is paid 3 lower ends, central shaft 5 steps, and under free state, the inwall of coil of strip torsion spring 1 has been wrapped axle simultaneously and paid 3 and the outer wall of central shaft 5, is braking state.How much frictional force of wrapping generation can by the adjusting of the spiral number of turns, and in the present embodiment, the parcel number of turns of 1 pair of central shaft 5 of coil of strip torsion spring is 3 circles half, and axle being paid 3 the parcel number of turns is 11 circles half;
Described elastic cover 2 is cylindric, is enclosed within outside the coil of strip torsion spring 1, and is gapped between the two, can rotate relatively; The upper end of elastic cover 2 is to outer lug, turns round arm 1-1 what projection was provided with that breach 2-1 on holds coil of strip torsion spring 1, and a roller 2-3 also has been installed on projection, and the circumference profile of roller 2-3 is close on the wedge 7-2 of pull bar; The lower end of elastic cover 2 has the baffle plate 4-1 on following breach 2-2 and the base 4 to cooperate, baffle plate 4-1 make elastic cover 2 can only be in breach 2-2 restricted portion under the elastic cover rotary oscillation;
Described axle is paid 3 and is cylindric, is enclosed within on the central shaft 5, and axle is paid 3 lower surface and is shelved on central shaft 5 steps, can center on central shaft 5 and rotate freely; Axle is paid 3 upper end has the bayonet socket 6-1 of lug 3-1 and spindle 6 lower surfaces adaptive, makes axle pay 3 and spindle 6 matching relationship that keeps rotation synchronously and stop simultaneously;
Referring to Fig. 5, Fig. 8, pull bar 7 tops are cylinders, slide in the through hole of upper spider 10, and a little spring 8 is being overlapped in the cylinder outside, withstands between the step of upper spider 10 and pull bar 7; Pull bar 7 bottoms are special-shaped block 7-1, and there is a wedge 7-2 side of special-shaped block 7-1, and the roller 2-3 of inclined-plane and elastic cover 2 is adjacent to, when pull bar 7 upwards slides, the inclined-plane promotes roller 2-3 together with elastic cover 2 rotations, and pull bar 7 is during to lower slider, and elastic cover 2 resets under the elastic force effect of coil of strip torsion spring 1;
Referring to Fig. 4, each self-marketing has been connected two godet rollers 12 to upper spider 10 with pull bar special-shaped block 7-2, and thread guide 11 also has been installed on the upper spider 10; Braided wires 13 runs in the guide between four godet rollers 12 of present embodiment after spindle 6 discharges, and passes from thread guide 11 at last, is pulled to knitting mechanism (not belonging to this patent protection domain, not shown).Pull bar 7 is because the braided wires on its godet roller 12 is fixed on thread guide 11 and godet roller 12 pull-ups on the upper spider 10, and under woven condition, the wedge 7-2 of pull bar 7 is outstanding in base 4.
Referring to Fig. 9, central shaft 5 is fixed on the base 4.
Referring to Fig. 2, as preferred version, there is through hole to slide up and down along the axis of guide that is fixed on the base 4 on the special-shaped block 7-1 of pull bar 7, be convenient to accurately limit the sliding trace of pull bar;
As preferred version, the axis of guide overcoat of base 4 big spring 9, holds out against between upper spider 10 and pull bar special-shaped block 7-1; Pull bar 7 is applied downward thrust.
Referring to Fig. 9, as preferred version, be provided with 3 oval hole 4-2 on the base 4 of present embodiment, described central shaft 5 usefulness screws are fixed on the base 4, screw is selected the fixed position in the 4-2 restricted portion of oval hole, can adjust the torsion spring bayonet socket 5-1 position of central shaft 5, thereby adjust the initial tightness of coil of strip torsion spring 1.
Referring to Fig. 6-Fig. 9, be equipped with between the following breach 2-2 of baffle plate 4-1 and elastic cover 2 and hold out against spring 2-4, hold out against spring and promote elastic cover 2, make elastic cover 2 power that has certain effect, allow coil of strip torsion spring 1 have the trend of wrapping central shaft.
Launch to describe below by the braiding process of present embodiment, be convenient to those skilled in the art's profound understanding.
Referring to Fig. 2, in the braiding process, the braided wires 13 on spindle 6 is forced to pull to knitting mechanism by godet roller 12, thread guide 11, discharges in the process of braided wires 13 at spindle 6, and spindle 6 is rotated in a clockwise direction passively, drives axle and pays 2 rotations synchronously; Braided wires 13 is in course of conveying, by the godet roller 12 on thread guide 11 and the upper spider 10 pull bar 7 is up drawn, pull bar 7 is in up mobile process, by wedge 7-2 elastic cover roller 2-3 is pushed away toward counter clockwise direction, in the rotary oscillation process of elastic cover 2, breach 2-1 is turning round arm 1-1 on the coil of strip torsion spring 1 toward counterclockwise driving on the elastic cover, overcoming coil of strip torsion spring 1 makes the spiral internal diameter of coil of strip torsion spring 1 become big with the elastic force that holds out against spring 2-4, loosened and paid 3 and the power of wrapping of central shaft 5 to axle, that is to say brake is unclamped, allow spindle 6 easily rotate, discharge braided wires smoothly.In the braiding process, the tension force of braided wires 13 plays the effect that pull bar 7 is up drawn, the reaction force that braided wires 13 is subjected to has little spring 8, big spring 9, coil of strip torsion spring 1, holds out against four kinds of elastic forces of spring 2-4, when the two balance, pull bar 7 suspends in mid air, brake is unclamped, and spindle 6 discharges braided wires smoothly.
When the tension force of braided wires 13 became big for some reason, the position of pull bar 7 raise, and its displacement causes the elastic force of four kinds of springs all to increase, and in other words, the tension force moment change conference of braided wires 13 is subjected to retardance, the buffering of spring; Vice versa, in other words, the tension force of braided wires 13 is when moment diminishes for some reason, little spring 8 and two big springs 9 are being pressed pull bar 7 toward descending, and wedge 7-2 loosens the thrust of pair roller 2-3, and the elastic force that holds out against spring 2-4 promotes elastic cover 2 and turns over certain angle, the spiral internal diameter of coil of strip torsion spring 1 is dwindled slightly, increase and axle is paid frictional force between 3, it is slack-off to be stuck in spindle 6 rotating speeds that axle pays on 3, and the tension force of braided wires 13 improves.As seen, no matter braided wires 13 has reduced the laying tension fluctuation range of braided wires 13 because the tension fluctuation that what reason produces all can be subjected to elastic force buffering and the retardance of four kinds of springs, make the payingoff speed equilibrium, improved weaving quality.
When braiding is finished or shut down for some reason, braided wires 13 stops mobile, the tension force pop-off, spindle 6 is because inertia also has the trend of rotation, can continue to throw away outward braided wires, but because the tension force of braided wires 13 disappears, under the effect of little spring 8 and big spring 9,7 moments of pull bar drop on the base 4, in the decline process, wedge 7-2 has loosened the thrust of pair roller 2-3, the elastic force that holds out against spring 2-4 promotes elastic cover 2 and turns over certain angle, elastic cover 2 is rotating swing and is resetting, and coil of strip torsion spring 1 is got back to free state, and spiral internal diameter diminishes rapidly, wrap central shaft 5 and axle simultaneously and paid 3 outer wall, the lower surface that the lug 3-1 of axle pair upper end blocks spindle 6 stops operating its moment, the trend that clockwise rotates of spindle 6, can make coil of strip torsion spring 1 on turn round arm 1-1 and also clockwise rotate, the effect of rotating is that spiral internal diameter changes littler and littler, and coil of strip torsion spring 1 is paid 3 outer wall axle and wrapped up more and more tightlyer, and frictional force infinitely increases, axially braking moment is very big, certainly just action trend described herein, the actual brake stroke is very short very short, and, in brake process, coil of strip torsion spring 1 has been the band-type brake effect, and cornerite is unrestricted, and it is convenient to adjust braking torque; Central shaft 5 is not had flecition power, move reliable and stable, very beneficial to keeping equipment precision.
Claims (4)
1. the tension force of braiding machine spindle control and torsion spring coil of strip brake apparatus is characterized in that: comprising: coil of strip torsion spring, elastic cover, axle are paid, base, central shaft, spindle, pull bar, little spring, big spring, upper spider;
Described coil of strip torsion spring is turned round arm in horizontal direction on it, is inserted on the elastic cover in the breach; Turn round arm under it and vertically arrange, be inserted in the central shaft breach; The spiral internal diameter of coil of strip torsion spring is identical with the external diameter that axle is paid a lower end, central shaft step, and under free state, the inwall of coil of strip torsion spring has wrapped simultaneously that axle is paid and the outer wall of central shaft;
Described elastic cover is cylindric, is enclosed within outside the coil of strip torsion spring, and is gapped between the two, can rotate relatively; The upper end of elastic cover is to outer lug, is provided with the arm of turning round that breach on holds the coil of strip torsion spring in projection, and a roller also has been installed on projection, and the circumference profile of roller is close on the wedge of pull bar; The lower end of elastic cover has the baffle plate on following breach and the base to cooperate, and is equipped with between the following breach of baffle plate and elastic cover and holds out against spring, holds out against spring and promotes elastic cover, makes the elastic cover power that has certain effect, and allows the coil of strip torsion spring have the trend of wrapping central shaft;
Described axle is paid and is cylindric, is enclosed within on the central shaft, can rotate freely around central shaft, and the lower surface that axle is paid is shelved on the central shaft step; The upper end that axle is paid has the bayonet socket of lug and spindle lower surface adaptive, makes the matching relationship that axle is paid and spindle keeps rotation synchronously and stops simultaneously;
Described pull bar top is cylinder, slides in the through hole of upper spider, and a little spring is being overlapped in the cylinder outside, withstands between upper spider and the pull bar boss; The pull bar bottom is special-shaped block, and there is a wedge side of special-shaped block, and the inclined-plane of wedge and the roller of elastic cover are adjacent to, when pull bar upwards slided, the inclined-plane promoted roller and rotates together with elastic cover, and pull bar is during to lower slider, the inclined-plane has loosened the thrust of pair roller, and elastic cover resets under the effect of coil of strip torsion spring;
All sell on described upper spider and the pull bar special-shaped block and be connected godet roller, thread guide also has been installed on the upper spider;
Described central shaft is fixed on the base with screw.
2. the control of the tension force of braiding machine spindle as claimed in claim 1 and torsion spring coil of strip brake apparatus is characterized in that: have through hole to slide up and down along the axis of guide that is fixed on the base on the special-shaped block of described pull bar.
3. the control of the tension force of braiding machine spindle as claimed in claim 2 and torsion spring coil of strip brake apparatus is characterized in that: overlapping big spring on the axis of guide of described base, holding out against between upper spider and the special-shaped piece of pull bar; Pull bar is applied downward thrust.
4. the tension force of braiding machine spindle as claimed in claim 1 is controlled and torsion spring coil of strip brake apparatus, it is characterized in that: be provided with several oval holes on the described base, described central shaft is fixed on the base with screw, and screw is selected the fixed position in the restricted portion of oval hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320199141 CN203174307U (en) | 2013-04-19 | 2013-04-19 | Tension control and torsional spring steel coil braking device of knitter spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320199141 CN203174307U (en) | 2013-04-19 | 2013-04-19 | Tension control and torsional spring steel coil braking device of knitter spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203174307U true CN203174307U (en) | 2013-09-04 |
Family
ID=49071038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320199141 Withdrawn - After Issue CN203174307U (en) | 2013-04-19 | 2013-04-19 | Tension control and torsional spring steel coil braking device of knitter spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203174307U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173928A (en) * | 2013-04-19 | 2013-06-26 | 新昌县本发机电有限公司 | Tension control and torsion spring steel coil brake device for spindle of braiding machine |
| CN104911807A (en) * | 2015-06-03 | 2015-09-16 | 东华大学 | Damping magnetic spindle for carbon fiber weaving |
| CN105002651A (en) * | 2015-08-25 | 2015-10-28 | 新昌县本发机电有限公司 | Positioning sleeve part for spindle brake device of braider |
| CN106436010A (en) * | 2016-06-30 | 2017-02-22 | 张敏 | Spindle and track plate assembly of braiding machine |
-
2013
- 2013-04-19 CN CN 201320199141 patent/CN203174307U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173928A (en) * | 2013-04-19 | 2013-06-26 | 新昌县本发机电有限公司 | Tension control and torsion spring steel coil brake device for spindle of braiding machine |
| CN104911807A (en) * | 2015-06-03 | 2015-09-16 | 东华大学 | Damping magnetic spindle for carbon fiber weaving |
| CN105002651A (en) * | 2015-08-25 | 2015-10-28 | 新昌县本发机电有限公司 | Positioning sleeve part for spindle brake device of braider |
| CN106436010A (en) * | 2016-06-30 | 2017-02-22 | 张敏 | Spindle and track plate assembly of braiding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20140409 |
|
| RGAV | Abandon patent right to avoid regrant |