Coiling tension gradient control method on stretch-bending straightening machine
By implementing the winding tension gradient control method on the bending straightener, the problems of low production efficiency and low yield caused by manual timed reduction of tension are solved, and the tension is automatically reduced, which improves production efficiency and product quality.
Patent Information
- Application Number
- CN202411382503.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-02-14
AI Technical Summary
During the winding process of existing bending straightening machines, due to the constant tension design, the outer ring of the aluminum coil compresses the inner ring, causing surface defects, requiring manual time reduction, wasting manpower and time, and affecting continuous production efficiency.
Using the winding tension gradient control method, by setting the winding tension gradient interface on the touch screen configuration software, setting multiple working modes, input the tension gradient percentage or the target coil diameter value and the tension gradient percentage, the winding tension automatically decreases in sequence. .
The coiling tension is automatically reduced, manual intervention is reduced, production efficiency and yield are improved, and product quality is ensured.
Smart Images
Figure CN119426403A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the tension control of winding of a tension-bending straightening machine, and belongs to the field of control. Background Art
[0002] The tension leveler is a key production equipment of the main machine. Since the equipment was put into operation, the main problems of its coiling tension are:
[0003] Due to the characteristics of aluminum materials and the market's demand for high surface quality, the original design of the coiling tension is constant tension. When the diameter of the aluminum coil is large, the outer ring tension will compress the inner ring coil, causing surface defects on the inner ring coil. It is necessary to manually reduce the coiling tension at a fixed time and in a fixed quantity. This method wastes both manpower and time, is not conducive to the continuous production of the tension bending and straightening machine, and has low production efficiency. Summary of the invention
[0004] The purpose of the present invention is to solve the problem that the existing bending and straightening machine needs to manually reduce the winding tension in a timely and quantitative manner, which wastes manpower and time, is not conducive to the continuous production of the bending and straightening machine, and has low production efficiency. A winding tension gradient control method on the bending and straightening machine is proposed.
[0005] A method for controlling the winding tension gradient on a tension leveler, the method comprising the following contents:
[0006] Step 1, set the winding tension gradient interface on the touch screen configuration software, set multiple working modes on the winding tension gradient interface, each working mode is used to input the tension gradient percentage or input the target winding diameter value and the tension gradient percentage, wherein the input target winding diameter value is less than the preset maximum winding diameter value, and the input tension gradient percentage ranges from 0% to 100%;
[0007] Step 2: according to the tension gradient percentage or the target roll diameter value and the tension gradient percentage in any working mode, as well as the preset maximum roll diameter value and the initial roll diameter value, the tension reduction percentage under the maximum roll diameter value is obtained;
[0008] Step 3: The winding tension of the tension-bending straightening machine from the initial coil diameter to the maximum coil diameter is reduced in sequence according to the percentage of tension reduction at the maximum coil diameter value.
[0009] Preferably, in step 2, the percentage of tension reduction at the maximum coil diameter value is expressed as:
[0010]
[0011] Wherein, TGt is the percentage of tension reduction under the maximum roll diameter value, Dm is the preset maximum roll diameter value, D0 is the initial roll diameter value, Ds is the target roll diameter value, and TGs is the percentage of tension gradient entered in the working mode.
[0012] Preferably, the multiple working modes include normal mode, 1-axis mode, 2-axis mode and 3-axis mode.
[0013] Preferably, the normal mode is used to input the tension gradient percentage.
[0014] Preferably, the 1-axis mode, the 2-axis mode and the 3-axis mode are all used to input the target roll diameter value and the tension gradient percentage.
[0015] Preferably, in the 1-axis mode, the input target roll diameter value is 2100 mm, and the input tension gradient percentage is 10%;
[0016] In 2-axis mode, input the target roll diameter value as 1500mm and the tension gradient percentage as 10%;
[0017] In 3-axis mode, input the target roll diameter value as 1300mm and the tension gradient percentage as 10%.
[0018] Preferably, the maximum coil diameter is 2400 mm.
[0019] The beneficial effects of the present invention are:
[0020] The present invention changes the original tension calculation method and designs a winding tension gradient control method suitable for the stretch-bend straightening machine, which realizes the function of automatically reducing the winding tension. The whole process is automatic, no human intervention is required, the reliability is high, the operation is simple, and the production efficiency and yield rate of the stretch-bend straightening machine are greatly improved, which is a double guarantee for the product and quality of the stretch-bend straightening machine.
[0021] The invention is independently developed to realize the winding tension gradient control function, improve the working efficiency of the stretch bending straightening machine, reduce the operating steps of the operator, and fully mobilize the mobility of the operator. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a flow chart of the method for controlling the winding tension gradient on the tension leveler;
[0023] Figure 2 This is the interface diagram of the winding tension gradient. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.
[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.
[0027] Specific implementation method 1: Combination Figure 1 and Figure 2 The present embodiment describes a method for controlling the winding tension gradient on a tension leveler according to the present embodiment, and the method comprises the following contents:
[0028] Step 1, set the winding tension gradient interface on the touch screen configuration software, set multiple working modes on the winding tension gradient interface, each working mode is used to input the tension gradient percentage or input the target winding diameter value and the tension gradient percentage, wherein the input target winding diameter value is less than the preset maximum winding diameter value, and the input tension gradient percentage ranges from 0% to 100%;
[0029] Step 2: according to the tension gradient percentage or the target roll diameter value and the tension gradient percentage in any working mode, as well as the preset maximum roll diameter value and the initial roll diameter value, the tension reduction percentage under the maximum roll diameter value is obtained;
[0030] Step 3: The winding tension of the tension-bending straightening machine from the initial coil diameter to the maximum coil diameter is reduced in sequence according to the percentage of tension reduction at the maximum coil diameter value.
[0031] In this implementation, the contents are: 1. Adding a tension gradient setting value on the HMI screen; 2. Adding a tension gradient calculation program in the PLC; 3. Transferring the calculated value to the transmission program, which performs the specific tension calculation; Features: Based on the original tension and bending straightening machine program, in order to improve the product yield, the whole process is automatic without human intervention, with high reliability and simple operation, which greatly improves work efficiency while improving the yield.
[0032] Specific implementation method 2: This implementation method further defines the winding tension gradient control method on the tension leveler described in specific implementation method 1. In this implementation method, in step 2, the tension reduction percentage under the maximum coil diameter value is expressed as: In step 2, the tension reduction percentage under the maximum coil diameter value is expressed as:
[0033]
[0034] Wherein, TGt is the percentage of tension reduction under the maximum roll diameter value, Dm is the preset maximum roll diameter value, D0 is the initial roll diameter value, Ds is the target roll diameter value, and TGs is the percentage of tension gradient entered in the working mode.
[0035] Specific implementation method three: Combination Figure 2 This embodiment is described. This embodiment further limits the winding tension gradient control method on the stretch straightening machine described in the specific embodiment 1. In this embodiment, the multiple working modes include normal mode, 1-axis mode, 2-axis mode and 3-axis mode.
[0036] In this embodiment, if Figure 2 As shown, four modes are set on the screen, namely normal mode, 1-axis mode, 2-axis mode and 3-axis mode. Select the mode you need and perform the operation.
[0037] The original winding tension is automatically controlled, and a new winding tension gradient interface is added to the human-computer interaction screen to realize the setting of the tension gradient. The screen is as follows Figure 2 shown.
[0038] Since operators need to perform roll splitting operations frequently, the roll splitting mode is combined with the tension gradient, and the required tension gradient value is pre-set. Then, operators only need to choose to divide the material roll into several small rolls, and they can directly set it according to the pre-set tension gradient setting value.
[0039] Specific implementation method four: Combination Figure 2 This embodiment is described. This embodiment further limits the winding tension gradient control method on the stretch straightening machine described in the third specific embodiment. In this embodiment, the normal mode is used to input the tension gradient percentage.
[0040] Specific implementation method five: Combination Figure 2 This embodiment is described. This embodiment further limits the winding tension gradient control method on the stretch straightening machine described in the specific embodiment three. In this embodiment, the 1-axis mode, the 2-axis mode and the 3-axis mode are all used to input the target winding diameter value and the tension gradient percentage.
[0041] Specific implementation method six: Combination Figure 2 This embodiment is described. This embodiment further limits the winding tension gradient control method on the tension leveler described in the fifth embodiment. In this embodiment, the target winding diameter value is input as 2100 mm in the 1-axis mode, and the input tension gradient percentage is 10%.
[0042] In 2-axis mode, input the target roll diameter value as 1500mm and the tension gradient percentage as 10%;
[0043] In 3-axis mode, input the target roll diameter value as 1300mm and the tension gradient percentage as 10%.
[0044] Specific implementation method seven: Combination Figure 2This embodiment is described. This embodiment further limits the method for controlling the winding tension gradient on the stretch leveler described in the sixth embodiment. In this embodiment, the maximum winding diameter is 2400 mm.
[0045] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the various dependent claims and features described herein may be combined in a manner different from that described in the original claims. It should also be understood that features described in conjunction with individual embodiments may be used in other described embodiments.
Claims
1. A method for controlling the winding tension gradient on a tension leveler, characterized in that: The method includes the following: Step 1, set the winding tension gradient interface on the touch screen configuration software, set multiple working modes on the winding tension gradient interface, each working mode is used to input the tension gradient percentage or input the target winding diameter value and the tension gradient percentage, wherein the input target winding diameter value is less than the preset maximum winding diameter value, and the input tension gradient percentage ranges from 0% to 100%; Step 2: according to the tension gradient percentage or the target roll diameter value and the tension gradient percentage in any working mode, as well as the preset maximum roll diameter value and the initial roll diameter value, the tension reduction percentage under the maximum roll diameter value is obtained; Step 3: The winding tension of the tension-bending straightening machine from the initial coil diameter to the maximum coil diameter is reduced in sequence according to the percentage of tension reduction at the maximum coil diameter value.
2. The method for controlling the winding tension gradient on a tension leveler according to claim 1, characterized in that: In step 2, the percentage of tension reduction at the maximum roll diameter value is expressed as: Wherein, TGt is the percentage of tension reduction under the maximum roll diameter value, Dm is the preset maximum roll diameter value, D0 is the initial roll diameter value, Ds is the target roll diameter value, and TGs is the percentage of tension gradient entered in the working mode.
3. The method for controlling the winding tension gradient on a tension leveler according to claim 1, characterized in that: Multiple working modes include normal mode, 1-axis mode, 2-axis mode and 3-axis mode.
4. The method for controlling the winding tension gradient on a tension leveler according to claim 3, characterized in that: Used to enter the tension gradient percentage in normal mode.
5. The method for controlling the winding tension gradient on a tension leveler according to claim 3, characterized in that: 1-axis mode, 2-axis mode and 3-axis mode are all used to input the target roll diameter value and tension gradient percentage.
6. The method for controlling the winding tension gradient on a tension leveler according to claim 5, characterized in that: In 1-axis mode, input the target roll diameter value as 2100mm and the tension gradient percentage as 10%; In 2-axis mode, input the target roll diameter value as 1500mm and the tension gradient percentage as 10%; In 3-axis mode, input the target roll diameter value as 1300mm and the tension gradient percentage as 10%.
7. The method for controlling the winding tension gradient on a tension leveler according to claim 6, characterized in that: The maximum roll diameter is 2400mm.