CN110759178A - Constant tension control method and device for steel cord take-up machine - Google Patents
Constant tension control method and device for steel cord take-up machine Download PDFInfo
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- CN110759178A CN110759178A CN201911147721.4A CN201911147721A CN110759178A CN 110759178 A CN110759178 A CN 110759178A CN 201911147721 A CN201911147721 A CN 201911147721A CN 110759178 A CN110759178 A CN 110759178A
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- steel cord
- analog quantity
- spool
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- torque motor
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 abstract description 4
- 102100026205 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 Human genes 0.000 description 4
- 101000691599 Homo sapiens 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 Proteins 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
- B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
- B65H59/385—Regulating winding speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/36—Wires
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- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The invention discloses a constant tension control method and device for a steel cord rewinding machine in the technical field of steel cord generation, and aims to solve the technical problems that in the prior art, as the weight borne by a rewinding spool is increased along with the increase of the length of a steel cord wound by the rewinding spool, the output torque of a torque motor cannot be changed along with the increase of the length of the steel cord, the rotation of the rewinding spool is decelerated, the tension generated by the rewinding spool for drawing the steel cord is gradually reduced, and the winding tightness of the steel cord on a finished spool is influenced. The method comprises the following steps: generating an analog quantity signal; and driving the take-up spool to rotate based on the analog quantity signal. The device comprises an analog quantity output module electrically connected with the torque motor; the analog quantity output module is used for generating an analog quantity signal; the torque motor is used for driving the wire take-up spool to rotate based on the analog quantity signal.
Description
Technical Field
The invention relates to a constant tension control method and device for a steel cord take-up machine, and belongs to the technical field of steel cord generation.
Background
In the stranding machine tool equipment for steel cord production, a torque motor is adopted by a part of steel cord rewinding machines to be in transmission connection with a rewinding spool, and the torque motor drives the rewinding spool to rotate so as to rewind the steel cord. The take-up spool bears an increasing weight as the number of meters of the steel cord wound thereon increases. Under the condition that the weight borne by the take-up spool is gradually increased, the torque required by the torque motor for driving the take-up spool to rotate at a constant speed is also increased, but the torque output by the torque motor cannot be changed along with the torque, so that the rotation of the take-up spool is decelerated, the tension generated by the take-up spool for drawing the steel cord is also gradually reduced, and further the winding tightness of the steel cord on the finished spool is influenced.
Because the winding tightness of the steel cord on the finished spool is poor, the phenomenon of unstable paying-off tension of the steel cord can occur in the process of calendering and using the steel cord in a tire factory, and defective products are easy to occur.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a constant tension control method and device for a steel cord rewinding machine, and aims to solve the technical problems that in the prior art, the weight borne by a rewinding spool is increased along with the increase of the length of a steel cord wound by the rewinding spool, the output torque of a torque motor cannot be changed along with the increase of the length of the steel cord, so that the rotation of the rewinding spool is decelerated, the tension generated by the rewinding spool for drawing the steel cord is gradually reduced, and the winding tightness of the steel cord on a finished spool is influenced.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a constant tension control method of a steel cord take-up machine comprises the following steps:
generating an analog quantity signal;
and driving the take-up spool to rotate based on the analog quantity signal.
Further, generating an analog quantity signal, comprising:
and controlling the analog quantity output module to generate an analog quantity signal based on the length value of the steel cord wound by the take-up spool.
Further, based on the analog quantity signal drive receipts line I-shaped wheel rotates, include:
the torque motor controller responds to the analog quantity signal and outputs a driving voltage corresponding to the analog quantity signal;
the torque motor responds to the driving voltage and drives the wire take-up spool to rotate.
In order to achieve the aim, the invention also provides a constant tension control device of the steel cord rewinding machine, which comprises an analog quantity output module electrically connected with the torque motor;
the analog quantity output module is used for generating an analog quantity signal;
the torque motor is used for driving the wire take-up spool to rotate based on the analog quantity signal.
Furthermore, the device also comprises a main control module which is electrically connected with the analog quantity output module;
the main control module is used for controlling the analog quantity output module to generate an analog quantity signal based on the length value of the steel cord wound by the take-up spool.
Further, the master control module comprises a PLC.
Furthermore, the analog quantity output module is electrically connected with the torque motor through a torque motor controller;
and the torque motor controller responds to the analog quantity signal and outputs a driving voltage corresponding to the analog quantity signal.
Further, the torque motor is in transmission connection with the wire take-up spool;
the torque motor responds to the driving voltage and drives the wire take-up spool to rotate.
Compared with the prior art, the invention has the following beneficial effects: the method and the device of the invention change the trigger control mode of the AC voltage output of the torque motor controller from the regulation control of the original 0-5V potentiometer into the control of the 0-5V analog quantity signal output by the analog quantity output module. And calculating the length value of the meter of the steel cord wound by the take-up spool according to the PLC, and accordingly controlling the analog output module to output an analog signal corresponding to the length value of the meter. When the meter length value is gradually increased, the analog output module automatically adjusts the voltage value of the analog signal, so that the output voltage of the torque motor controller is adjusted. The larger the meter length value is, the higher the output voltage of the analog quantity output module is, the higher the working voltage of the torque motor is, and the larger the take-up torque generated by the take-up spool is, so that the tension of the steel cord wound by the take-up spool is ensured to be constant. The method and the device can realize the function of controlling the constant tension of the take-up by only carrying out little change on the existing steel cord stranding equipment and carrying out low-cost electrical control transformation, thereby obviously improving the product quality.
Drawings
FIG. 1 is a schematic view of a connection structure of an embodiment of the apparatus of the present invention.
In the figure: 1. a PLC; 2. an analog quantity output module; 3. a torque motor controller; 4. a torque motor; 5. a wire take-up spool.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The specific embodiment of the invention provides a constant tension control device of a steel cord rewinding machine, as shown in fig. 1, the constant tension control device is a schematic connection structure diagram of an embodiment of the device, the device comprises a PLC1 and an analog output module 2 which are added in an electrical control system of a machine tool, an output end of the PLC1 is electrically connected with an input end of the analog output module 2, an output end of the analog output module 2 is electrically connected with a direct current voltage trigger control end of a torque motor controller 3, an alternating current voltage output end of the torque motor controller 3 is electrically connected with an input end of a torque motor 4, and a power output end of the torque motor 4 is in transmission connection with a rewinding spool 5.
The specific embodiment of the invention also provides a constant tension control method of the steel cord rewinding machine, which is realized based on the constant tension control device of the steel cord rewinding machine provided by the specific embodiment of the invention, and the method comprises the following steps:
step one, the PLC1 calculates the length value of the meter of the steel cord wound by the take-up spool 5, and controls the analog output module 2 to output an analog signal corresponding to the length value of the meter of the steel cord wound by the take-up spool 5 through a preset control program. When the length of the meter is gradually increased, the voltage of 0-5V output by the analog output module 2 is automatically increased.
And step two, the analog quantity signal is output to the torque motor controller 3, the torque motor controller 3 responds to the analog quantity signal, and the alternating voltage output end of the torque motor controller outputs alternating voltage corresponding to the analog quantity signal. When the voltage of 0-5V output by the analog quantity output module 2 rises, the torque motor controller 3 is triggered to output higher alternating voltage.
And step three, the alternating voltage is output to the torque motor 4, the torque motor 4 responds to the alternating voltage, and the power output end of the torque motor outputs torque corresponding to the alternating voltage. When the ac voltage output from the trigger torque motor controller 3 rises, the trigger torque motor 4 outputs a larger torque.
And step four, the take-up spool 5 rotates under the driving of the output torque of the trigger torque motor 4. If the output torque of the trigger torque motor 4 is increased, the take-up torque generated by the take-up spool 5 is also increased, so that the tension of the steel cord wound by the take-up spool 5 is constant.
The method and the device of the invention change the trigger control mode of the AC voltage output of the torque motor controller 3 from the original regulation control of a 0-5V potentiometer into the control of a 0-5V analog signal output by an analog output module 2. And calculating the length value of the meter of the steel cord wound by the take-up spool 5 according to the PLC1, and accordingly controlling the analog output module 2 to output an analog signal corresponding to the length value of the meter. When the meter length value is gradually increased, the analog output module 2 automatically adjusts the voltage value of the analog signal, so as to adjust the output voltage of the torque motor controller 3. The larger the meter length value is, the higher the output voltage of the analog output module 2 is, the higher the working voltage of the torque motor 4 is, and the larger the take-up torque generated by the take-up spool 5 is, so that the tension of the steel cord wound by the take-up spool 5 is ensured to be constant. The method and the device can realize the function of controlling the constant tension of the take-up by only carrying out little change on the existing steel cord stranding equipment and carrying out low-cost electrical control transformation, thereby obviously improving the product quality.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A constant tension control method of a steel cord take-up machine is characterized by comprising the following steps:
generating an analog quantity signal;
and driving the take-up spool (5) to rotate based on the analog quantity signal.
2. The constant tension control method of a steel cord take-up machine according to claim 1, wherein generating an analog signal comprises:
and controlling the analog quantity output module (2) to generate an analog quantity signal based on the length value of the steel cord wound by the take-up spool (5).
3. The constant tension control method of the steel cord take-up machine according to claim 1 or 2, wherein driving the take-up spool (5) to rotate based on the analog quantity signal comprises:
the torque motor controller (3) responds to the analog quantity signal and outputs a driving voltage corresponding to the analog quantity signal;
the torque motor (4) responds to the driving voltage to drive the wire take-up spool (5) to rotate.
4. A constant tension control device of a steel cord take-up machine is characterized by comprising an analog output module (2) electrically connected with a torque motor (4);
the analog quantity output module (2) is used for generating an analog quantity signal;
the torque motor (4) is used for driving the wire take-up spool (5) to rotate based on the analog quantity signal.
5. The constant tension control device of the steel cord take-up machine according to claim 4, further comprising a main control module electrically connected with the analog output module (2);
the main control module is used for controlling the analog quantity output module (2) to generate an analog quantity signal based on the length value of a steel cord wound by the take-up spool (5).
6. The constant tension control device of a steel cord take-up machine according to claim 5, wherein the main control module comprises a PLC (1).
7. The constant tension control device of the steel cord rewinding machine as claimed in any one of claims 4 to 6, wherein the analog output module (2) is electrically connected to the torque motor (4) through a torque motor controller (3);
the torque motor controller (3) responds to the analog quantity signal and outputs a driving voltage corresponding to the analog quantity signal.
8. The constant tension control device of the steel cord take-up machine according to claim 7, wherein the torque motor (4) is in transmission connection with the take-up spool (5);
the torque motor (4) responds to the driving voltage and drives the wire take-up spool (5) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911147721.4A CN110759178A (en) | 2019-11-21 | 2019-11-21 | Constant tension control method and device for steel cord take-up machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911147721.4A CN110759178A (en) | 2019-11-21 | 2019-11-21 | Constant tension control method and device for steel cord take-up machine |
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| CN110759178A true CN110759178A (en) | 2020-02-07 |
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| CN201911147721.4A Pending CN110759178A (en) | 2019-11-21 | 2019-11-21 | Constant tension control method and device for steel cord take-up machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000618A (en) * | 2021-02-25 | 2021-06-22 | 江苏兴达钢帘线股份有限公司 | Manufacturing method of monofilament steel cord and steel wire stress relieving device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5277373A (en) * | 1991-12-18 | 1994-01-11 | Morton Henry H | Apparatus and method for controlling tension in a moving material |
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| CN208980065U (en) * | 2018-07-28 | 2019-06-14 | 烟台永太机械有限公司 | Novel let-off motion based on plc control |
| CN208979956U (en) * | 2018-07-28 | 2019-06-14 | 烟台永太机械有限公司 | New Roll-up device based on plc control |
| CN211569744U (en) * | 2019-11-21 | 2020-09-25 | 江苏兴达钢帘线股份有限公司 | Constant tension control device of steel cord take-up machine |
-
2019
- 2019-11-21 CN CN201911147721.4A patent/CN110759178A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5277373A (en) * | 1991-12-18 | 1994-01-11 | Morton Henry H | Apparatus and method for controlling tension in a moving material |
| US20040195424A1 (en) * | 2003-02-21 | 2004-10-07 | Igal Roytblat | Methods and systems for control of film transport |
| CN202570836U (en) * | 2012-04-23 | 2012-12-05 | 天津市盖尔发金属制品有限公司 | Precise steel wire arrangement machine |
| CN203568590U (en) * | 2013-11-21 | 2014-04-30 | 无锡盛力达科技股份有限公司 | Constant-tension device of all-purpose cutting steel wire rewinding machine |
| CN106144768A (en) * | 2015-04-28 | 2016-11-23 | 博尔富（江苏）实业有限公司 | Takeup tension closed-loop control system |
| CN205056668U (en) * | 2015-10-08 | 2016-03-02 | 湖北三江航天江北机械工程有限公司 | Steel cord water tank wire drawing machine rolling speed control unit |
| CN109230868A (en) * | 2018-07-23 | 2019-01-18 | 江苏镇安电力设备有限公司 | Cable promotes constant tension control device and control method |
| CN208980065U (en) * | 2018-07-28 | 2019-06-14 | 烟台永太机械有限公司 | Novel let-off motion based on plc control |
| CN208979956U (en) * | 2018-07-28 | 2019-06-14 | 烟台永太机械有限公司 | New Roll-up device based on plc control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113000618A (en) * | 2021-02-25 | 2021-06-22 | 江苏兴达钢帘线股份有限公司 | Manufacturing method of monofilament steel cord and steel wire stress relieving device |
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Application publication date: 20200207 |