CN110683425A - Rubber band double-cam feeding control method - Google Patents
Rubber band double-cam feeding control method Download PDFInfo
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- CN110683425A CN110683425A CN201910772129.7A CN201910772129A CN110683425A CN 110683425 A CN110683425 A CN 110683425A CN 201910772129 A CN201910772129 A CN 201910772129A CN 110683425 A CN110683425 A CN 110683425A
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- rubber
- feeding
- rubber band
- servo motor
- motion controller
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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
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
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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
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/06—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate singly
-
- 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
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- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Tyre Moulding (AREA)
Abstract
The invention relates to the field of manufacturing of hygienic products, and provides a rubber band double-cam feeding control method which comprises the following steps: (1) setting a change height for adjusting the curve feeding of the rubber band by controlling the curve feeding device of the rubber band through a PLC (programmable logic controller) so that the stretching degrees of the rubber band are respectively adapted to the stretching degrees required by the rubber bands corresponding to different products; (2) the PLC controller controls the first motion controller, the first motion controller controls and adjusts the forward and reverse rotation angles of the first servo motor to adjust and control the swing angle of the swing rod, meanwhile, the PLC controller controls the second motion controller according to the rubber string curve feeding graph, the swing speed of the swing rod and the rubber string conveying multiplying power, and the second motion controller controls the operation speed of the second servo motor to guarantee the rubber string output speed. The invention solves the problems that the rubber string multiplying power of the existing rubber string curve feeding can not be effectively controlled, and the rubber string change height can not be changed in real time to be suitable for production switching of various products.
Description
Technical Field
The invention relates to the technical field of manufacturing of hygienic products, in particular to a rubber band double-cam feeding control method.
Background
With the large background that the requirements of consumers on the quality and the appearance of products are more and more strict. In the production process of automatic production lines of paper diapers, pull-up diapers, adult diapers and the like, the requirement of curve feeding of rubber bands is met due to the fact that the requirements of more three-dimensional products, more attractive product appearance and human body design required by improvement of product comfort are needed. However, the realization of high-speed feeding of the rubber string curve is always a great problem for a plurality of manufacturers due to the problems of motor characteristics, load inertia, curve shape control and the like. Some manufacturers directly make a set of mechanical cam according to the rubber string curve, but the mechanical cam cannot solve the problem of curve change of high and low speed rubber strings and cannot change the curve on line in real time according to specific curve requirements during production.
Therefore, I propose a method for controlling the curve feeding of the rubber band in the invention patent application number < 201610731581.5 >. According to the method, I have made great progress in the control of the rubber band curve feeding and are in the leading level in the same industry. However, in long-term development and application, I have certain limitations in the application of the above patents: 1. the speed can only be within 600 pieces/min, and at present, 700 pieces/min are needed; 2. the rubber band graph of curve feed is good, but the rubber band multiplying power is difficult to control well.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides the rubber band double-cam feeding control method which can reduce the cost, effectively control the feeding of the rubber band curve, effectively control the multiplying power of the rubber band, improve the production efficiency and adjust the rubber band curve on line in real time.
In order to solve the technical problem, the invention adopts the following scheme: a rubber band double-cam feeding control method comprises the following steps:
(1) the method comprises the steps that the change height of rubber string curve feeding is adjusted by controlling a rubber string curve feeding device through a PLC (programmable logic controller) so that the stretching degrees of rubber strings are respectively adapted to the stretching degrees required by rubber strings corresponding to different products, the rubber string curve feeding device comprises a first motion controller, a second motion controller, a first servo motor, a second servo motor, a rubber string feeding pressure feeding wheel set and a swing rod, the first motion controller is connected with and controls the swing rod to swing through the servo motor, the swing rod swings to drive the rubber strings to carry out curve conveying feeding, the second motion controller is connected with and controls the rubber string feeding pressure feeding wheel set to rotate to convey the rubber strings through a second servo motor, and the PLC is connected with and controls the first motion controller and the second motion controller;
(2) the change height of rubber band curve feeding is programmed and set on a PLC controller as H, the length of a swing rod is set as L, and the rotating angle of a servo motor is set as alpha, namely the change height of rubber band curve feeding and the length of the swing rod are input on the PLC controller according to a formula to calculate the forward and reverse rotating angles of the servo motor corresponding to the change height of the rubber band curve feeding, the PLC controller controls a first motion controller, the forward and reverse rotating angles of the first servo motor are controlled and adjusted by the first motion controller to adjust the swinging angle of the swing rod, the swinging angle of the swing rod is adjusted to adjust the change height of the rubber band curve feeding to the curve feeding change height required by the current product, meanwhile, the PLC controller controls a second motion controller according to a rubber band curve feeding graph in combination with the swinging speed of the swing rod and the rubber band conveying multiplying power, and controls the operating speed of the second servo motor by the second motion controller to guarantee the rubber band output speed, the swing rod is made of a carbon fiber plate, and the calculation formula is as follows: h = Lx (2 sin (α/2)), wherein H is more than 30 and less than or equal to 300mm, L is more than or equal to 300 and more than or equal to 150mm, and α is more than 10 and less than or equal to 60 degrees.
Further, the first servo motor and the second servo motor are both HG-RR203JB servo motors.
By adopting the technical scheme, the invention has the beneficial effects that: the first motion controller and the second motion controller are programmed and controlled on the PLC, the first motion controller controls and adjusts the positive and negative rotation angles of the first servo motor to adjust the swing angle of the swing rod, and the swing angle of the swing rod is adjusted to adjust the change height of rubber band curve feeding to the change height of curve feeding required by the current product, so that the change height of rubber band curve feeding can be effectively controlled, the change height of rubber band curve feeding can be adjusted on line in real time, the change height of rubber band curve feeding can be quickly adjusted to be suitable for the rubber band stretching degree required to be changed when various products and models are produced, the production cost of enterprises is effectively reduced, the load inertia of the first servo motor is reduced by manufacturing the swing rod by adopting a carbon fiber plate, and the high dynamic response efficiency of the swing of the first servo motor is effectively improved, the swing rod can reach 700 pieces/minute, the rubber band feeding and conveying is controlled by additionally arranging the second servo motor and the rubber band feeding and pressure conveying wheel set, the rubber feeding speed can be adjusted according to an actual rubber band conveying curve and the rubber band multiplying power, the feeding control of the curve rubber band can reach an error within 2mm effectively, and the rubber band multiplying power can be effectively controlled.
Detailed Description
The invention will now be further illustrated by means of specific embodiments.
The preferable rubber band double-cam feeding control method comprises the following steps:
(1) the method comprises the steps that the change height of rubber string curve feeding is adjusted by controlling a rubber string curve feeding device through a PLC (programmable logic controller) so that the stretching degrees of rubber strings are respectively adapted to the stretching degrees required by rubber strings corresponding to different products, the rubber string curve feeding device comprises a first motion controller, a second motion controller, a first servo motor, a second servo motor, a rubber string feeding pressure-feeding wheel set and a swing rod, the first motion controller is connected with and controls the swing rod to swing through the servo motor, the swing rod swings to drive the rubber strings to carry out curve conveying feeding, the second motion controller is connected with and controls the rubber string feeding pressure-feeding wheel set to rotate to convey the rubber strings through a second servo motor, the PLC is connected with and controls the first motion controller and the second motion controller, and the first servo motor and the second servo motor are HG-RR203JB servo motors;
(2) the change height of rubber band curve feeding is programmed and set on a PLC controller as H, the length of a swing rod is set as L, and the rotating angle of a servo motor is set as alpha, namely the change height of rubber band curve feeding and the length of the swing rod are input on the PLC controller according to a formula to calculate the forward and reverse rotating angles of the servo motor corresponding to the change height of the rubber band curve feeding, the PLC controller controls a first motion controller, the forward and reverse rotating angles of the first servo motor are controlled and adjusted by the first motion controller to adjust the swinging angle of the swing rod, the swinging angle of the swing rod is adjusted to adjust the change height of the rubber band curve feeding to the curve feeding change height required by the current product, meanwhile, the PLC controller controls a second motion controller according to a rubber band curve feeding graph in combination with the swinging speed of the swing rod and the rubber band conveying multiplying power, and controls the operating speed of the second servo motor by the second motion controller to guarantee the rubber band output speed, according to the required stretch ratio of the rubber band, the swing speed of the swing rod driven by the first servo motor can calculate the length of the rubber band required to be conveyed in unit time according to sinusoidal motion, and then the speed of the rubber band conveyed by the pressure feeding wheel set fed by the second servo motor can be calculated according to the length of the rubber band conveyed in unit time, wherein the swing rod is made of a carbon fiber plate, and the calculation formula is as follows: h = L x (2 sin (alpha/2)), wherein H is more than 30 and less than or equal to 300mm, L is more than or equal to 300 and more than or equal to 150mm, alpha is more than 10 and less than or equal to 60 degrees, wherein L =300mm, H is determined according to the stretching degree of the rubber band required by the produced product, the stretching degree of the curve feeding rubber band correspondingly formed is calculated according to the change height of curve feeding of the swing rubber band by the lever principle, the prior art is adopted, therefore, the corresponding data are not listed in the invention, the angle alpha is finally calculated according to a formula, meanwhile, the PLC controls the first motion controller according to the calculated angle alpha, and further the first motion controller controls the positive and negative rotation angles of the first servo motor.
The range of the variation height H of the rubber band curve feeding is preferably more than 30 and less than or equal to 300mm, the range of the length of the swinging rod is preferably more than or equal to 300 and more than 150mm, and the rotating angle range of the first servo motor is preferably more than 10 and less than or equal to 60 degrees.
The invention controls the first motion controller and the second motion controller by programming on the PLC controller, controls and adjusts the positive and negative rotation angles of the first servo motor by the first motion controller to adjust the swing angle of the swing rod, and adjusts the swing angle of the swing rod to adjust the change height of rubber band curve feeding to the change height of curve feeding required by the current product, thereby effectively controlling the change height of rubber band curve feeding and the change height of rubber band curve feeding which can be adjusted on line in real time, rapidly adjusting the change height of rubber band curve feeding to be suitable for the rubber band stretching degree required to be changed when replacing various production products and models, effectively reducing the production cost of enterprises, reducing the load inertia of the first servo motor by manufacturing the swing rod by adopting a carbon fiber plate, effectively improving the high dynamic response efficiency of the swing of the first servo motor, the swing rod can reach 700 pieces/minute, the rubber band feeding and conveying is controlled by additionally arranging the second servo motor and the rubber band feeding and pressure conveying wheel set, the rubber feeding speed can be adjusted according to an actual rubber band conveying curve and the rubber band multiplying power, the feeding control of the curve rubber band can reach an error within 2mm effectively, and the rubber band multiplying power can be effectively controlled.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. A rubber band double-cam feeding control method is characterized in that: the method comprises the following steps:
(1) the method comprises the steps that the change height of rubber string curve feeding is adjusted by controlling a rubber string curve feeding device through a PLC (programmable logic controller) so that the stretching degrees of rubber strings are respectively adapted to the stretching degrees required by rubber strings corresponding to different products, the rubber string curve feeding device comprises a first motion controller, a second motion controller, a first servo motor, a second servo motor, a rubber string feeding pressure feeding wheel set and a swing rod, the first motion controller is connected with and controls the swing rod to swing through the servo motor, the swing rod swings to drive the rubber strings to carry out curve conveying feeding, the second motion controller is connected with and controls the rubber string feeding pressure feeding wheel set to rotate to convey the rubber strings through a second servo motor, and the PLC is connected with and controls the first motion controller and the second motion controller;
(2) the change height of rubber band curve feeding is programmed and set on a PLC controller as H, the length of a swing rod is set as L, and the rotating angle of a servo motor is set as alpha, namely the change height of rubber band curve feeding and the length of the swing rod are input on the PLC controller according to a formula to calculate the forward and reverse rotating angles of the servo motor corresponding to the change height of the rubber band curve feeding, the PLC controller controls a first motion controller, the forward and reverse rotating angles of the first servo motor are controlled and adjusted by the first motion controller to adjust the swinging angle of the swing rod, the swinging angle of the swing rod is adjusted to adjust the change height of the rubber band curve feeding to the curve feeding change height required by the current product, meanwhile, the PLC controller controls a second motion controller according to a rubber band curve feeding graph in combination with the swinging speed of the swing rod and the rubber band conveying multiplying power, and controls the operating speed of the second servo motor by the second motion controller to guarantee the rubber band output speed, the swing rod is made of a carbon fiber plate, and the calculation formula is as follows: h = Lx (2 sin (α/2)), wherein H is more than 30 and less than or equal to 300mm, L is more than or equal to 300 and more than or equal to 150mm, and α is more than 10 and less than or equal to 60 degrees.
2. The rubber band double cam feed control method according to claim 1, characterized in that: the first servo motor and the second servo motor are both HG-RR203JB servo motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772129.7A CN110683425A (en) | 2019-08-21 | 2019-08-21 | Rubber band double-cam feeding control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772129.7A CN110683425A (en) | 2019-08-21 | 2019-08-21 | Rubber band double-cam feeding control method |
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| CN110683425A true CN110683425A (en) | 2020-01-14 |
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| CN201910772129.7A Pending CN110683425A (en) | 2019-08-21 | 2019-08-21 | Rubber band double-cam feeding control method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437965A (en) * | 2013-08-29 | 2013-12-11 | 长春市雷力机械制造有限公司 | Wind power blade made of carbon-fiber and glass-fiber mixed materials |
| CN105769445A (en) * | 2016-02-23 | 2016-07-20 | 泉州市汉威机械制造有限公司 | Method for controlling drawing degree of rubber band |
| CN106137547A (en) * | 2016-07-29 | 2016-11-23 | 泉州市汉威机械制造有限公司 | A kind of curve elastic bringing device |
| CN106236383A (en) * | 2016-08-26 | 2016-12-21 | 泉州市汉威机械制造有限公司 | A kind of elastic curve feed control method |
| CN208054596U (en) * | 2018-03-28 | 2018-11-06 | 泉州市汉威机械制造有限公司 | A kind of novel elastic unwinding device |
| CN209048450U (en) * | 2018-07-25 | 2019-07-02 | 泉州市汉威机械制造有限公司 | A kind of novel curve elastic set composite |
-
2019
- 2019-08-21 CN CN201910772129.7A patent/CN110683425A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437965A (en) * | 2013-08-29 | 2013-12-11 | 长春市雷力机械制造有限公司 | Wind power blade made of carbon-fiber and glass-fiber mixed materials |
| CN105769445A (en) * | 2016-02-23 | 2016-07-20 | 泉州市汉威机械制造有限公司 | Method for controlling drawing degree of rubber band |
| CN106137547A (en) * | 2016-07-29 | 2016-11-23 | 泉州市汉威机械制造有限公司 | A kind of curve elastic bringing device |
| CN106236383A (en) * | 2016-08-26 | 2016-12-21 | 泉州市汉威机械制造有限公司 | A kind of elastic curve feed control method |
| CN208054596U (en) * | 2018-03-28 | 2018-11-06 | 泉州市汉威机械制造有限公司 | A kind of novel elastic unwinding device |
| CN209048450U (en) * | 2018-07-25 | 2019-07-02 | 泉州市汉威机械制造有限公司 | A kind of novel curve elastic set composite |
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Application publication date: 20200114 |