CN111532895A - Intelligent paying-off method and system - Google Patents
Intelligent paying-off method and system Download PDFInfo
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- CN111532895A CN111532895A CN202010228503.XA CN202010228503A CN111532895A CN 111532895 A CN111532895 A CN 111532895A CN 202010228503 A CN202010228503 A CN 202010228503A CN 111532895 A CN111532895 A CN 111532895A
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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
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/36—Wires
Abstract
The invention discloses an intelligent paying-off method and system, wherein the method comprises the steps of acquiring real-time wire storage data of a wire storage part; calculating the total length of the fully loaded cable on the spool according to the cable storage data; acquiring encoder data of the bobbin in real time; calculating the total length of the real-time cable on the spool according to the encoder data and the total length of the fully loaded cable; calculating the processing speed of a single cable; and adjusting the wire feeding speed of the wire feeding part according to the processing speed of the single wire cable and the total length of the real-time wire cable on the spool, and repeatedly adjusting the wire feeding speed of the wire feeding part until the stroke change of the mechanical wire storage mechanism of the wire storage part is within a preset range. The invention reduces the starting and stopping times of the wire feeding equipment, prolongs the service life of the wire feeding equipment and reduces the mechanical strength requirement of a mechanical device in the wire feeding equipment.
Description
Technical Field
The invention relates to the technical field of wire feeding machine control, in particular to an intelligent paying-off method and system.
Background
The current wire feeder mainly comprises two parts: the spool uncoils the wire feeding portion and stores the wire portion. In the prior art, the wire storage part uses an angle sensor or an encoder to read the position of a wire storage device to control the wire feeding speed of the wire feeding part, in the control mode, once a subsequent cutting and stripping device needs to perform cutting, stripping, pressing and other operations in the wire processing process, the wire drawing can be stopped, the wire storage part is fully accumulated by a wire conveyed by the wire feeding part, the angle sensor or the encoder of a wire storage department is triggered, the frequent starting and stopping of the wire feeding part in production are controlled, and the service life and the mechanical device of the wire feeding part are seriously influenced by the frequent starting and stopping; the influence on the mechanical device can cause the problems of wire disorder and reduction of production efficiency; and the mechanical strength requirement of main power elements (such as a motor, a main shaft and the like) of the wire feeding part is also high.
Therefore, how to provide a pay-off control scheme becomes an urgent problem to be solved in the field.
Disclosure of Invention
The invention aims to provide an intelligent paying-off method and an intelligent paying-off system, which are used for reducing the starting and stopping times of equipment, prolonging the service life of wire feeding equipment and reducing the mechanical strength requirement of a mechanical device in the wire feeding equipment.
In order to achieve the above object, the present invention provides an intelligent paying-off method, comprising:
the method comprises the steps of obtaining real-time wire storage data of a wire storage part, wherein the wire storage data comprise the real-time wire loading diameter of a spool, the full-load diameter of the spool, the no-load diameter of the spool, the width of the spool, the diameter of a cable and the length of the cable which is less than one circle on the spool;
calculating the total length of the fully loaded cable on the spool according to the cable storage data;
acquiring encoder data of the bobbin in real time, wherein the encoder data comprises angular velocity and linear velocity;
calculating the total length of the real-time cable on the spool according to the encoder data and the total length of the fully loaded cable;
acquiring the length of a single preprocessed cable, the processing time of the single preprocessed cable and the processing time interval between two adjacent preprocessed cables, and calculating the processing speed of the single cable;
and adjusting the wire feeding speed of the wire feeding part according to the processing speed of the single cable and the total length of the real-time cable on the spool, returning to the step of acquiring real-time wire storage data of the wire storage part, and repeatedly adjusting the wire feeding speed of the wire feeding part until the stroke change of the mechanical wire storage mechanism of the wire storage part is within a preset range.
Optionally, the calculating the total length of the fully loaded cable on the spool according to the cable storage data specifically includes:
using formulas
Calculating the total length of fully loaded cable on the spool;
wherein D1 is the unloaded diameter of the spool, D2 is the full diameter of the spool, m is the number of turns of the cable on each layer of the spool,
d is the outer diameter of the cable, H is the width of the reel, n is the number of layers of the reel,
k is the length of the cable less than one turn on the spool.
Optionally, the calculating the processing speed of the single cable specifically includes:
using formulas
And calculating the processing speed of the single cable, wherein l is the sum of the single processing time and the processing time interval between two adjacent preprocessed cables, and the single length t of each preprocessed cable is the sum of the single processing time and the processing time interval between two adjacent preprocessed cables.
Optionally, the preset range is a stroke change interval of 10%.
Optionally, the encoder data is acquired by encoder devices arranged at the inlet and the outlet of the line storage part and on the line storage spool.
The invention also provides an intelligent paying-off system, which comprises:
the real-time wire storage data module is used for acquiring real-time wire storage data of a wire storage part, and the wire storage data comprises a real-time wire loading diameter of a spool, a full-load diameter of the spool, an unloaded diameter of the spool, a width of the spool, a diameter of a cable and a length of the cable which is less than one circle on the spool;
the total length calculation module of the fully loaded cable is used for calculating the total length of the fully loaded cable on the spool according to the wire storage data;
the encoder data acquisition module is used for acquiring encoder data of the bobbin in real time, wherein the encoder data comprises angular velocity and linear velocity;
the real-time cable total length calculating module is used for calculating the total length of the real-time cable on the spool according to the encoder data and the total length of the fully loaded cable;
the single cable processing speed calculation module is used for acquiring the single length and the single processing time of the preprocessed cables and the processing time interval between two adjacent preprocessed cables and calculating the single cable processing speed;
and the adjusting module is used for adjusting the wire feeding speed of the wire feeding part according to the processing speed of the single cable and the total length of the real-time cable on the spool, returning to the step of acquiring real-time wire storage data of the wire storage part, and repeatedly adjusting the wire feeding speed of the wire feeding part until the stroke change of the mechanical wire storage mechanism of the wire storage part is within a preset range.
Optionally, the module for calculating the total length of the fully loaded cable specifically includes:
using formulas
Calculating the total length of fully loaded cable on the spool;
wherein D1 is the unloaded diameter of the spool, D2 is the full diameter of the spool, m is the number of turns of the cable on each layer of the spool,
d is the outer diameter of the cable, H is the width of the reel, n is the number of layers of the reel,
k is the length of the cable less than one turn on the spool.
Optionally, the single cable processing speed calculation module specifically includes:
using formulas
And calculating the processing speed of the single cable, wherein l is the sum of the single processing time and the processing time interval between two adjacent preprocessed cables, and the single length t of each preprocessed cable is the sum of the single processing time and the processing time interval between two adjacent preprocessed cables.
Optionally, the preset range is a stroke change interval of 10%.
Optionally, the encoder data is acquired by encoder devices arranged at the inlet and the outlet of the line storage part and on the line storage spool.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the intelligent paying-off method and the intelligent paying-off system provided by the invention utilize the traditional wire pre-storing mode of the wire storing part to alleviate the accelerating process of a host, utilize the subsequent processing equipment to carry out the processes of cutting, stripping and pressing to drive the wire feeding part to fully store the wire, and simultaneously acquire the change data of the wire storing spool through the encoder devices arranged on the inlet, the outlet and the wire storing spool of the wire storing part, thereby calculating the processing speed of a single cable and the total length of the real-time cable on the spool, further obtaining the wire feeding speed of the wire feeding part, and continuously operating the equipment in a period by repeatedly adjusting the wire feeding speed of the wire feeding part, reducing the starting and stopping times of the wire feeding equipment, prolonging the service cycle of the wire feeding equipment, reducing the design strength requirement of main structural parts, and generating other value information, such as wire feeding, wire storing alarm and the like.
In addition, in the process of adjusting the wire feeding speed of the wire feeding part, the total length of the real-time cable on the spool, namely the allowance of the cable on the wire storage spool, can be dynamically obtained, so that the cable can be used up after a long time according to the processing speed of a single cable, namely the consumption speed, so that real-time feedback is achieved, a user can prepare to replace a used new spool in advance, and the wire replacement time is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flow chart of an intelligent pay-off method provided by an embodiment of the invention;
FIG. 2 is a comparison of the feeding of the intelligent pay-off of the present invention and the pay-off of the prior art.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an intelligent paying-off method and an intelligent paying-off system, which are used for reducing the starting and stopping times of equipment, prolonging the service life of wire feeding equipment and reducing the mechanical strength requirement of a mechanical device in the wire feeding equipment.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the intelligent line-releasing method provided in this embodiment includes:
step 1: the method comprises the steps of obtaining real-time wire storage data of a wire storage part, wherein the wire storage data comprise the real-time wire loading diameter of a spool, the full-load diameter of the spool, the no-load diameter of the spool, the width of the spool, the diameter of a cable and the length of the cable which is less than one circle on the spool;
in practical application, the full-load diameter of the spool, the empty diameter of the spool, the width of the spool, the diameter of the cable and the length of the cable which is less than one turn on the spool in the real-time wire storage data can be obtained in a pre-measuring mode, and the real-time wire-loading diameter of the spool can be directly measured in real time or can be calculated according to the collected data of the encoder of the wire storage part.
Step 2: calculating the total length of the fully loaded cable on the spool according to the cable storage data;
in particular, using formulae
Calculating the total length of fully loaded cable on the spool;
wherein D1 is the unloaded diameter of the spool, D2 is the full diameter of the spool, m is the number of turns of the cable on each layer of the spool,
d is the outer diameter of the cable, H is the width of the reel, n is the number of layers of the reel,
k is the length of the cable less than one turn on the spool.
And step 3: acquiring encoder data of the bobbin in real time, wherein the encoder data comprises angular velocity and linear velocity; the encoder data is acquired by encoder devices arranged at an inlet and an outlet of the wire storage part and on the wire storage spool.
And 4, step 4: calculating the total length of the real-time cable on the spool according to the encoder data and the total length of the fully loaded cable;
in the process of adjusting the wire feeding speed of the wire feeding part, the total length of the real-time cable on the spool, namely the allowance of the cable on the wire storage spool is dynamically obtained through the step 4, so that the cable can be used up after a long time according to the processing speed of a single cable, namely the consumption speed, so that real-time feedback is achieved, a user can prepare to replace a used new spool in advance, and the wire replacement time is shortened.
And 5: acquiring the length of a single preprocessed cable, the processing time of the single preprocessed cable and the processing time interval between two adjacent preprocessed cables, and calculating the processing speed of the single cable;
in particular, using formulae
And calculating the processing speed of the single cable, wherein l is the sum of the single processing time and the processing time interval between two adjacent preprocessed cables, and the single length t of each preprocessed cable is the sum of the single processing time and the processing time interval between two adjacent preprocessed cables.
Step 6: and adjusting the wire feeding speed of the wire feeding part according to the processing speed of the single cable and the total length of the real-time cable on the spool, returning to the step of acquiring real-time wire storage data of the wire storage part, and repeatedly adjusting the wire feeding speed of the wire feeding part until the stroke change of the mechanical wire storage mechanism of the wire storage part is within a preset range. In practical applications, the predetermined range is a 10% range of the stroke variation. Of course, different threshold ranges can be set according to actual working conditions.
Wherein, the wire feeding speed of the wire feeding part, namely the revolution of the frequency converter, is obtained by the numerical value fed back by the wire storage position encoder, and the calculation formula is as follows:
wherein, VrpmThe number of revolutions of the frequency converter; vmaxIs the maximum revolution (constant) of the frequency converter; emaxIs the encoder maximum (constant) of the reservoir portion; e is the encoder current value (feedback value).
The intelligent paying-off system relieves the acceleration process of a host by utilizing the pre-wire storage mode of the traditional wire storage part, utilizes the processes of cutting, stripping and pressing of a subsequent processing device to drive the wire feeding part to store the full wire, collects the transmission change numerical value of the cable by an encoder device arranged on an inlet, an outlet and a wire storage spool of the wire storage part, combines input parameters (full-load diameter of the spool, no-load diameter of the spool, width of the spool, diameter of the cable and the like) and a calculation formula to calculate and analyze to obtain the real-time wire loading diameter, linear velocity, angular velocity and total length of the real-time cable on the spool, calculates the processing velocity of a single cable according to the single length of the pre-processed cable, the single processing time and the processing time interval between two adjacent pre-processed cables, finally obtains the wire feeding velocity of the wire feeding part, and repeats the processes to ensure that the acceleration and deceleration changes of a motor and a mechanical system of the wire feeding part, the stroke change of the mechanical wire storage mechanism fed back by the encoder of the wire storage part is controlled within a 10% interval. Therefore, the starting and stopping times of the equipment are reduced, the service cycle of the equipment is prolonged, and the design strength requirement of main structural parts is reduced.
In addition, this embodiment also provides an intelligent paying-off system corresponding to the above intelligent paying-off method, and the system includes:
the real-time wire storage data module is used for acquiring real-time wire storage data of a wire storage part, and the wire storage data comprises a real-time wire loading diameter of a spool, a full-load diameter of the spool, an unloaded diameter of the spool, a width of the spool, a diameter of a cable and a length of the cable which is less than one circle on the spool;
the total length calculation module of the fully loaded cable is used for calculating the total length of the fully loaded cable on the spool according to the wire storage data;
the encoder data acquisition module is used for acquiring encoder data of the bobbin in real time, wherein the encoder data comprises angular velocity and linear velocity;
the real-time cable total length calculating module is used for calculating the total length of the real-time cable on the spool according to the encoder data and the total length of the fully loaded cable;
the single cable processing speed calculation module is used for acquiring the single length and the single processing time of the preprocessed cables and the processing time interval between two adjacent preprocessed cables and calculating the single cable processing speed;
and the adjusting module is used for adjusting the wire feeding speed of the wire feeding part according to the processing speed of the single cable and the total length of the real-time cable on the spool, returning to the step of acquiring real-time wire storage data of the wire storage part, and repeatedly adjusting the wire feeding speed of the wire feeding part until the stroke change of the mechanical wire storage mechanism of the wire storage part is within a preset range.
Wherein, the total length of the fully loaded cable calculation module specifically comprises:
using formulas
Calculating the total length of fully loaded cable on the spool;
wherein D1 is the unloaded diameter of the spool, D2 is the full diameter of the spool, m is the number of turns of the cable on each layer of the spool,
d is the outer diameter of the cable, H is the width of the reel, n is the number of layers of the reel,
k is the length of the cable less than one turn on the spool.
The single cable processing speed calculation module specifically comprises:
using formulas
And calculating the processing speed of the single cable, wherein l is the sum of the single processing time and the processing time interval between two adjacent preprocessed cables, and the single length t of each preprocessed cable is the sum of the single processing time and the processing time interval between two adjacent preprocessed cables.
As shown in fig. 2, a comparison diagram of a wire feeding situation Y of an existing ordinary wire feeding machine and a wire feeding situation Z of the intelligent paying-off system provided by the embodiment is shown, where X represents a cable requirement situation of a cable to be processed; obviously, the wire feeding process of the present embodiment is continuous and the wire feeding speed is stable, while the existing common wire feeding machine is interrupted and frequently started and stopped.
For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. An intelligent pay-off method, characterized in that the method comprises:
the method comprises the steps of obtaining real-time wire storage data of a wire storage part, wherein the wire storage data comprise the real-time wire loading diameter of a spool, the full-load diameter of the spool, the no-load diameter of the spool, the width of the spool, the diameter of a cable and the length of the cable which is less than one circle on the spool;
calculating the total length of the fully loaded cable on the spool according to the cable storage data;
acquiring encoder data of the bobbin in real time, wherein the encoder data comprises angular velocity and linear velocity;
calculating the total length of the real-time cable on the spool according to the encoder data and the total length of the fully loaded cable;
acquiring the length of a single preprocessed cable, the processing time of the single preprocessed cable and the processing time interval between two adjacent preprocessed cables, and calculating the processing speed of the single cable;
and adjusting the wire feeding speed of the wire feeding part according to the processing speed of the single cable and the total length of the real-time cable on the spool, returning to the step of acquiring real-time wire storage data of the wire storage part, and repeatedly adjusting the wire feeding speed of the wire feeding part until the stroke change of the mechanical wire storage mechanism of the wire storage part is within a preset range.
2. The intelligent paying-off method according to claim 1, wherein the step of calculating the total length of the fully loaded cable on the spool according to the cable storage data specifically comprises the following steps:
using formulas
Calculating the total length of fully loaded cable on the spool;
wherein D1 is the unloaded diameter of the spool, D2 is the full diameter of the spool, m is the number of turns of the cable on each layer of the spool,
d is the outer diameter of the cable, H is the width of the reel, n is the number of layers of the reel,
k is the length of the cable less than one turn on the spool.
3. The intelligent paying-off method according to claim 1, wherein the calculating of the single cable processing speed specifically comprises:
using formulas
And calculating the processing speed of the single cable, wherein l is the sum of the single processing time and the processing time interval between two adjacent preprocessed cables, and the single length t of each preprocessed cable is the sum of the single processing time and the processing time interval between two adjacent preprocessed cables.
4. The intelligent pay-off method as claimed in claim 1, wherein the preset range is a 10% travel change interval.
5. The intelligent pay-off method as claimed in claim 1, wherein the encoder data is collected by encoder devices disposed at the inlet and outlet of the line storage section and on the line storage spool.
6. An intelligent payoff system, the system comprising:
the real-time wire storage data module is used for acquiring real-time wire storage data of a wire storage part, and the wire storage data comprises a real-time wire loading diameter of a spool, a full-load diameter of the spool, an unloaded diameter of the spool, a width of the spool, a diameter of a cable and a length of the cable which is less than one circle on the spool;
the total length calculation module of the fully loaded cable is used for calculating the total length of the fully loaded cable on the spool according to the wire storage data;
the encoder data acquisition module is used for acquiring encoder data of the bobbin in real time, wherein the encoder data comprises angular velocity and linear velocity;
the real-time cable total length calculating module is used for calculating the total length of the real-time cable on the spool according to the encoder data and the total length of the fully loaded cable;
the single cable processing speed calculation module is used for acquiring the single length and the single processing time of the preprocessed cables and the processing time interval between two adjacent preprocessed cables and calculating the single cable processing speed;
and the adjusting module is used for adjusting the wire feeding speed of the wire feeding part according to the processing speed of the single cable and the total length of the real-time cable on the spool, returning to the step of acquiring real-time wire storage data of the wire storage part, and repeatedly adjusting the wire feeding speed of the wire feeding part until the stroke change of the mechanical wire storage mechanism of the wire storage part is within a preset range.
7. The intelligent payoff system as claimed in claim 6, wherein the fully loaded cable total length calculation module specifically comprises:
using formulas
Calculating the total length of fully loaded cable on the spool;
wherein D1 is the unloaded diameter of the spool, D2 is the full diameter of the spool, m is the number of turns of the cable on each layer of the spool,
d is the outer diameter of the cable, H is the width of the reel, n is the number of layers of the reel,
k is the length of the cable less than one turn on the spool.
8. The intelligent pay-off system as claimed in claim 6, wherein the single cable processing speed calculation module specifically comprises:
using formulas
Calculating the processing speed of a single cable, where l is the pre-processed cableThe single length t is the sum of the single processing time and the processing time interval between two adjacent pre-processed cables.
9. The intelligent payoff system as claimed in claim 6, wherein the preset range is a 10% range of travel variation.
10. The intelligent payoff system as claimed in claim 6, wherein the encoder data is collected by encoder devices disposed at the inlet and outlet of the line storage section and on the line storage spool.
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| CN115108401A (en) * | 2022-07-13 | 2022-09-27 | 西门子（中国）有限公司 | Method for measuring take-up length, frequency converter, and take-up control method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115108401A (en) * | 2022-07-13 | 2022-09-27 | 西门子（中国）有限公司 | Method for measuring take-up length, frequency converter, and take-up control method and system |
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| CN111532895B (en) | 2021-09-24 |
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