CN204325646U - Yarn thread break stop motion - Google Patents
Yarn thread break stop motion Download PDFInfo
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- CN204325646U CN204325646U CN201420765697.7U CN201420765697U CN204325646U CN 204325646 U CN204325646 U CN 204325646U CN 201420765697 U CN201420765697 U CN 201420765697U CN 204325646 U CN204325646 U CN 204325646U
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- yarn
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- pressure sensor
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- stop motion
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Abstract
The utility model discloses a kind of yarn thread break stop motion, aim to provide a kind of when yarn breakage can control appliance stop yarn thread break stop motion, its drip irrigation device is: comprise jockey pulley, support and yarn transfer roller, also comprise Yarn detection device; Described Yarn detection device comprises: pressure sensor, signal processing module, control module, and wherein, pressure sensor is positioned at the abutted position of jockey pulley upper tension roller and yarn; Judge whether yarn ruptures by the pressure detected between yarn and pressure roll, export the signal after judging by signal processing module, then effect and control module, the parking of control appliance.
Description
Technical field
The utility model relates to a kind of textile machine equipment, and more particularly, it relates to a kind of yarn thread break stop motion.
Background technology
In fabrication processes, warping is absolutely necessary, in order to make warp beam obtain good shaping and larger rolling density during warping, spool rack is generally provided with tensioner (tensioner), and to yarn with additional tension, the object arranging tensioning device for warp is adjustment sheet yarn tension, namely according to the diverse location of bobbin on bobbin cradle, give different additional tensions respectively, offset the tension difference because guide state difference produces, make full sheet warp tension even; But the performance of tensioner quality has direct impact to warp quality.The existence of tensioner can make full sheet warp tension even, but tensioner also likely makes yarn breakage, the fracture of yarn can affect the carrying out of whole production process, if not in time parking area comprehend cause after operation lack warp, thus impact produce quality etc.
At present, application number be 201420088542.4 Chinese patent disclose the dust-proof spider watcher of a kind of warping machines, it controls internal light by arranging dust cover, and then the upper and lower two ends of yarn arrange light source and optical sensor respectively, when yarn breakage, carry out benefit by the signal of light to catch, and then control appliance stops.
Although the dust-proof spider watcher of this warping machines can at yarn through dust cover, detect by optical sensor etc. and parking toll is carried out to equipment, and undertaken dust-proof by dust cover, but due to yarn filaments smaller, very large requirement is needed to the requirement of light source, and filamentous yarn in flakes after, what lack light through causing penetrates DeGrain, thus makes the work of optical sensor to produce error, scarce through after, equipment continues to run, and then causes product quality to decline.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of yarn thread break stop motion, and this yarn thread break stop motion can make equipment stop accurately after yarn breakage, ensures product quality.
For achieving the above object, the utility model provides following technical scheme: a kind of yarn thread break stop motion, comprises jockey pulley, support and yarn transfer roller, also comprises Yarn detection device; Described Yarn detection device comprises:
Pressure sensor, is converted to the signal of telecommunication by the pressure of yarn suffered by jockey pulley;
Signal processing module, processes the signal of telecommunication of pressure sensor, itself and prefabricated signal is compared, and exports a shutdown signal, and,
Control module, the shutdown signal that acknowledge(ment) signal processing module exports, control appliance motor opens and closes;
Wherein, described jockey pulley is provided with for the gathering sill of yarn guide, and described pressure sensor is positioned at the abutted position of gathering sill and yarn.
By adopting technique scheme, the conflict of jockey pulley and yarn, when equipment is run, the tension force that yarn is subject to has a pressure to exist to jockey pulley, by detecting yarn to the change of jockey pulley pressure (when namely breaking, pressure is 0), judge whether yarn ruptures, by pressure sensor, the pressure change before and after yarn breakage is converted to the change of the signal of telecommunication, by signal processing module, this signal is processed, and then, opened and closed by control module control appliance motor, the setting of gathering sill can prevent yarn to slip away on jockey pulley pressure sensor position, thus ensure that yarn is connected with the conflict of pressure sensor, the situation of yarn in transmission situation can be caught by pressure sensor, this yarn thread break stop motion can detect the change of each yarns to the pressure of jockey pulley, therefore, the fracture of each yarns all can produce a stop sign, make detection accurate, prevent from lacking and through waiting, product quality is impacted, and large error can not be produced due to the fineness of yarn silk thread.
The utility model is set to further: described signal processing module comprises:
Amplifying circuit, carries out amplification process and exports by the signal of telecommunication that pressure sensor exports;
Comparison circuit, the amplifying signal export amplifier and setting value compare, and export and judge signal;
Wherein, input and the pressure sensor of amplifying circuit couple, and output and the comparison circuit of amplifying circuit couple; Comparison circuit output and control module couple.
By adopting technique scheme, the signal of telecommunication produced by pressure due to pressure sensor is more weak, therefore needs an amplifying circuit to amplify it, can not cause large error because of the signal of telecommunication is too small; After yarn breakage, pressure has a critical value, and comparison circuit is exactly that the size of this critical value is synchronous and after amplifying the signal of telecommunication compares, and judges whether yarn ruptures, then exports corresponding signal.
The utility model is set to further: described comparison circuit comprises comparator, and described comparator anode input and amplification circuit output end couple, and comparator negative terminal input connects a comparison signal.
By adopting technique scheme, adopting comparator as the pivot device of comparison circuit, making comparison circuit simple and convenient, the size of its predeterminated voltage can be regulated, and then reaching the critical value regulating different pressures fracture.
The utility model is set to further: described control module comprises photoelectrical coupler and switching tube, and photoelectrical coupler and equipment motor couple, and grid and the signal processing module of described switching tube couple, and controls the duty of photoelectrical coupler.
By adopting technique scheme, because the operating voltage of motor device is much larger than the operating voltage of control module, controlling functions is realized with the components and parts that little control is large so need to adopt, make photoelectrical coupler in normally open by the existence of normally closed switch pipe, thus equipment is in operation at place always, when switching tube is subject to cut-off signal, photoelectrical coupler is disconnected simultaneously, thus reach parking object.
Accompanying drawing explanation
Fig. 1 is the structure chart of jockey pulley;
Fig. 2 is the sectional view of jockey pulley;
Fig. 3 is apparatus module block diagram;
Fig. 4 is yarn thread break stop motion circuit diagram.
Reference numeral:
1, jockey pulley; 11, pressure sensor; 12, signal processing module; 121, amplifying circuit; 122, comparison circuit; 13, control module; 131, photoelectrical coupler; 2, support; 3, yarn; 4, yarn transfer roller.
Main components list:
R1, R2, Rf: resistance
Q1: triode
M1: switching tube
V0: pressure voltage
V1: amplify voltage
Vc: predeterminated voltage
Vcc+: operating voltage
GND: ground connection
Detailed description of the invention
Referring to figs. 1 through Fig. 4, the utility model yarn thread break stop motion embodiment is described further.
As shown in Figures 1 to 4, a kind of yarn thread break stop motion, comprises jockey pulley 1, support 2 and yarn 3 transfer roller, also comprises yarn 3 checkout gear; Described yarn 3 checkout gear comprises: pressure sensor, and the pressure of yarn 3 suffered by jockey pulley 1 is converted to the signal of telecommunication; Signal processing module, processes the signal of telecommunication of pressure sensor, itself and prefabricated signal is compared, and exports a shutdown signal, and, control module, the shutdown signal that acknowledge(ment) signal processing module exports, the parking of control appliance motor; Wherein, described jockey pulley 1 is provided with the gathering sill for leading to yarn 3, and described pressure sensor is positioned at the abutted position of gathering sill and yarn 3; Described signal processing module comprises: amplifying circuit, the signal of telecommunication that pressure sensor exports is carried out amplification process and exports; Comparison circuit, the amplifying signal export amplifier and setting value compare, and export shutdown signal; Described comparison circuit comprises comparator, and described comparator anode input and amplification circuit output end couple, and comparator negative terminal input connects a comparison signal; Described control module comprises photoelectrical coupler and switching tube, and photoelectrical coupler and equipment motor couple, and grid and the signal processing module of described switching tube couple, and controls the duty of photoelectrical coupler.
The conflict of jockey pulley 1 and yarn 3, when equipment is run, the tension force that yarn 3 is subject to has a pressure to exist to jockey pulley 1, by detecting the change of yarn 3 pairs of jockey pulley 1 pressure (when namely breaking, pressure is 0), judge whether yarn 3 ruptures, pressure change before and after being ruptured by yarn 3 by pressure sensor is converted to the change of the signal of telecommunication, by signal processing module, this signal is processed, and then, opened and closed by control module control appliance motor, the setting of gathering sill can prevent yarn 3 to slip away on jockey pulley 1 pressure sensor position, thus ensure that yarn 3 is connected with the conflict of pressure sensor, the situation of yarn 3 in transmission situation can be caught by pressure sensor, this yarn 3 thread break stop motion can detect the change of the pressure of each yarns 3 pairs of jockey pulleys 1, therefore, the fracture of each yarns 3 all can produce a stop sign, make detection accurate, prevent from lacking and through waiting, product quality is impacted, and large error can not be produced due to the fineness of yarn 3 silk thread, the signal of telecommunication produced by pressure due to pressure sensor is more weak, therefore needs an amplifying circuit to amplify it, can not cause large error because of the signal of telecommunication is too small, after yarn 3 ruptures, pressure has a critical value, and comparison circuit is exactly that the size of this critical value is synchronous and after amplifying the signal of telecommunication compares, and judges whether yarn 3 ruptures, and then exports corresponding signal, described comparison circuit comprises comparator, and described comparator anode input and amplification circuit output end couple, and comparator negative terminal input connects a comparison signal, described control module comprises photoelectrical coupler and switching tube, and photoelectrical coupler and equipment motor couple, and grid and the signal processing module of described switching tube couple, and controls the duty of photoelectrical coupler, because the operating voltage of motor device is much larger than the operating voltage of control module, controlling functions is realized with the components and parts that little control is large so need to adopt, make photoelectrical coupler in normally open by the existence of normally closed switch pipe, thus equipment is in operation at place always, when switching tube is subject to cut-off signal, photoelectrical coupler is disconnected simultaneously, thus reach parking object.
With reference to Fig. 3, pressure sensor 11 is piezoelectric transducer, pressure voltage V0 is produced after being under pressure, described pressure voltage V0 is carried out amplification and processes and export in comparison circuit 122 by amplifying circuit 121, compare output one with the preset value in comparison circuit 122 and judge signal, control module 13 receives described judgement signal, and then control appliance motor opens and closes.
With reference to Fig. 4, wherein, pressure sensor is positioned at the abutted position of gathering sill and yarn 3, by the conflict of yarn 3 with pressure sensor, the pressure of yarn 3 pairs of pressure sensors is converted to the signal of telecommunication, in transport process, pressure exists always, and namely the signal of telecommunication produces always, when yarn 3 ruptures, the signal of telecommunication makes zero, the pressure size of these two kinds of situations that whether ruptured by yarn 3, and the change being converted into the signal of telecommunication exports as pressure voltage;
Amplifying circuit adopts OPA operational amplifier amplifying circuit, the pressure voltage V0 that pressure sensor produces is amplified, produce one and amplify voltage V1, wherein, the negative electrode input of operational amplifier is connected with pressure sensor output, and is in series with resistance R1 at pressure sensor and negative electrode input, operational amplifier sun ground connection, contact resistance Rf between operational amplifier output terminal and negative electrode, operational amplifier output terminal and comparison circuit couple;
Because amplifying circuit adopts OPA operational amplifier, its output voltage is reverse voltage.
Comparison circuit, comprises comparator (as LM339 etc.), and described comparator anode is connected with operational amplifier output terminal, comparator negative electrode connects comparative voltage (preset value), and the amplification voltage inputted by anode and the comparative voltage of negative electrode are compared, when amplifying voltage lower than comparative voltage, namely pressure sensor produces pressure, when having voltage to produce, yarn 3 does not break, output low level, otherwise, yarn 3 ruptures, and export high level, its output and control module couple;
Control module 13 comprises switching tube M1, grid and the comparator output terminal of switching tube M1 couple, by judging cut-offfing of Signal-controlled switch pipe M1, when amplification voltage is greater than comparative voltage (namely yarn 3 ruptures), the judgement signal that comparator exports is shutdown signal, and gauge tap pipe M1 disconnects, thus the photoelectrical coupler 131 coupled with switching tube M1 is quit work, and then the operating circuit of the equipment of cut-out, reach parking effect; If during insufficient pressure (yarn 3 does not break, jockey pulley 13 and fixed mount non-contravention), now comparative voltage is greater than amplification voltage V1, and comparator exports prefabricated signal, switching tube M1 conducting, and make photoelectrical coupler 131 normally work, equipment normally runs.
Wherein, pressure sensor 11 is piezoelectric transducer, be under pressure and produce pressure voltage V0, switching tube M1 is PMOS, during the generation pressure voltage V0 that pressure sensor 11 produces, photoelectrical coupler 131 is needed to turn off, and the voltage after amplifying circuit 121 is connected with comparator anode, namely when pressure reaches certain value, yarn 3 ruptures, comparator exports high level, if make photoelectrical coupler 131 disconnect, select PMOS, accordingly, by comparative voltage and the port reversal connection of amplifying voltage V1 input comparator, now switching tube M1 selects NMOS tube to be switching tube M1.
Because pressure sensor 11, amplifying circuit 121 are small voltage circuit with comparison circuit 122, and control module 13 needs the break-make controlling high-current circuit loop, therefore need to adopt and small voltage circuit and large potential circuit are isolated the device that Qie Eng enough makes the large potential circuit of small voltage control circui, photoelectrical coupler 131 is exactly the components and parts being converted into light by electricity and then being converted to electricity, whether produced the break-make in the large potential circuit loop of light source control by small voltage circuit, therefore well can accomplish the isolation of large voltage and small voltage.
Wherein, be connected to a protective resistance R4 between switching tube M1 and working power Vcc+, be connected to a protective resistance R2 between the colelctor electrode of triode Q1 and operating voltage Vcc+, resistance R3, R4 are all not damaged for the protection of the components and parts in circuit.
The above makes preferred embodiment of the present utility model, and under not departing from the prerequisite of the utility model principle for the person of ordinary skill of the art, can also make some modification and improvement, these also should be considered as protection domain of the present utility model.
Claims (4)
1. a yarn thread break stop motion, comprises jockey pulley, support and yarn transfer roller, it is characterized in that: also comprise Yarn detection device; Described Yarn detection device comprises:
Pressure sensor, is converted to the signal of telecommunication by the pressure of yarn suffered by jockey pulley;
Signal processing module, processes the signal of telecommunication of pressure sensor, itself and prefabricated signal is compared, and exports a shutdown signal, and,
Control module, the shutdown signal that acknowledge(ment) signal processing module exports, control appliance motor opens and closes;
Wherein, described jockey pulley is provided with for the gathering sill of yarn guide, and described pressure sensor is positioned at the abutted position of gathering sill and yarn.
2. yarn thread break stop motion according to claim 1, is characterized in that: described signal processing module comprises:
Amplifying circuit, carries out amplification by the signal of telecommunication that pressure sensor exports and processes and export; And,
Comparison circuit, the amplifying signal export amplifier and setting value compare, and export and judge signal;
Wherein, input and the pressure sensor of amplifying circuit couple, and output and the comparison circuit of amplifying circuit couple; Comparison circuit output and control module couple.
3. yarn thread break stop motion according to claim 2, it is characterized in that: described comparison circuit comprises comparator, described comparator anode input and amplification circuit output end couple, comparator negative terminal input connects a comparison signal.
4. yarn thread break stop motion according to claim 2, it is characterized in that: described control module comprises photoelectrical coupler and switching tube, photoelectrical coupler and equipment motor couple, and grid and the signal processing module of described switching tube couple, and control the duty of photoelectrical coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765697.7U CN204325646U (en) | 2014-12-08 | 2014-12-08 | Yarn thread break stop motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765697.7U CN204325646U (en) | 2014-12-08 | 2014-12-08 | Yarn thread break stop motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204325646U true CN204325646U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420765697.7U Expired - Fee Related CN204325646U (en) | 2014-12-08 | 2014-12-08 | Yarn thread break stop motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204325646U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774794A (en) * | 2018-07-31 | 2018-11-09 | 浙江亚设塑业有限公司 | A kind of the detection warning device and its application method of tram fracture |
| CN108998914A (en) * | 2018-10-18 | 2018-12-14 | 广东溢达纺织有限公司 | Yarn break checkout gear and sizing machine system |
| CN109440363A (en) * | 2018-11-02 | 2019-03-08 | 安徽万年机械科技有限公司 | A kind of adjusting inlet wire speed device |
| CN109898223A (en) * | 2019-03-13 | 2019-06-18 | 广东溢达纺织有限公司 | Flat machine |
| CN111680530A (en) * | 2020-06-15 | 2020-09-18 | 郑州财经学院 | Textile equipment can be tracked to broken string based on RFID |
-
2014
- 2014-12-08 CN CN201420765697.7U patent/CN204325646U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774794A (en) * | 2018-07-31 | 2018-11-09 | 浙江亚设塑业有限公司 | A kind of the detection warning device and its application method of tram fracture |
| CN108774794B (en) * | 2018-07-31 | 2023-10-03 | 浙江亚设塑业有限公司 | Weft yarn breakage detection alarm device and application method thereof |
| CN108998914A (en) * | 2018-10-18 | 2018-12-14 | 广东溢达纺织有限公司 | Yarn break checkout gear and sizing machine system |
| CN108998914B (en) * | 2018-10-18 | 2024-01-30 | 广东溢达纺织有限公司 | Broken yarn detection device and sizing machine system |
| CN109440363A (en) * | 2018-11-02 | 2019-03-08 | 安徽万年机械科技有限公司 | A kind of adjusting inlet wire speed device |
| CN109440363B (en) * | 2018-11-02 | 2024-04-12 | 南京源铭振跃科技有限公司 | Device for adjusting incoming line speed |
| CN109898223A (en) * | 2019-03-13 | 2019-06-18 | 广东溢达纺织有限公司 | Flat machine |
| CN111680530A (en) * | 2020-06-15 | 2020-09-18 | 郑州财经学院 | Textile equipment can be tracked to broken string based on RFID |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20151208 |
|
| EXPY | Termination of patent right or utility model |