CN109918728B - Roller type cold roll forming roller way forming design method - Google Patents
Roller type cold roll forming roller way forming design method Download PDFInfo
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- CN109918728B CN109918728B CN201910092263.2A CN201910092263A CN109918728B CN 109918728 B CN109918728 B CN 109918728B CN 201910092263 A CN201910092263 A CN 201910092263A CN 109918728 B CN109918728 B CN 109918728B
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Abstract
The invention discloses a roller type cold roll forming roller way forming design method, which comprises the following steps: step 1, obtaining required plate type forming parameters and a cloth wheel rule corresponding to the required plate type; step 2, designing each procedure plate type according to the procedure sequence from the plate to be processed to the required plate type according to the molding parameters; step 3, automatically generating a cavity diagram according to the procedure plate type; step 4, automatically generating a profile diagram of the upper roller way and the lower roller way according to the cavity diagram; and 5, decomposing the roller way into rollers capable of being assembled into the roller way according to the rule of the cloth wheels and the outline drawing of the roller way, and generating a roller drawing of the roller way and a roller drawing of the roller. It has the following advantages: the roller pattern of the roller table and the roller pattern of the roller in each working procedure of the required plate type can be automatically generated, the design efficiency is improved, the error rate is reduced, the labor cost is reduced, and the standardized production is improved.
Description
Technical Field
The invention relates to the field of intelligent design, in particular to a method for automatically designing a roller type cold roll forming roller way.
Background
The existing roller type cold roll forming roller way forming design is designed manually by engineers, and the engineers need to design each procedure plate type according to different required plate types, and then design the contour assembly engineering drawings of the upper roller way and the lower roller way of each procedure and all roller engineering drawings of the roller way of each procedure according to each procedure plate type. The design has low efficiency and high labor cost, and errors can occur in the design process.
Disclosure of Invention
The invention provides a method for automatically designing a roller type cold roll forming roller way, which overcomes the defects of low design efficiency, high labor cost and possibility of error in the design process in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
a roll-type cold roll forming roller way forming design method comprises the following steps:
step 3, automatically generating a cavity diagram according to the procedure plate type;
step 4, automatically generating a profile diagram of the upper roller way and the lower roller way according to the cavity diagram;
and 5, decomposing the roller way into rollers capable of being assembled into the roller way according to the rule of the cloth wheels and the outline drawing of the roller way, and generating a roller drawing of the roller way and a roller drawing of the roller.
In one embodiment: in the step 1, the required plate shape is provided with a plurality of evenly-spaced waveforms and spacing segments between every two adjacent waveforms, wherein the waveforms comprise two sloping segments, and the required plate shape forming parameters comprise the width S of the spacing segments, the included angle A between the sloping segments and the spacing segments and the length X of the sloping segments; the plate type of each working procedure is provided with constant parameters and variable parameters, wherein the variable parameters comprise an included angle Ai, the included angle Ai is changed from small to large to the included angle A according to the sequence of the working procedure, and the constant parameters comprise the width S of the interval section and the length X of the slope section.
In one embodiment: the required plate type forming parameters also comprise arc length H1 connected between the slope section and the interval section, and the radius corresponding to the arc length H1 is R1; the variable parameters comprise a radius R1i corresponding to the arc length H1, and the radius R1i is finally changed into R1 according to the sequence of the working procedures; wherein, the central angle corresponding to the arc length H1 of the required plate type forming parameter in one procedure is equal to the included angle Ai of the one procedure; the constant parameter includes H1.
In one embodiment: the waveform also comprises a connecting section connected between the tail ends of the two sloping sections, the required plate type forming parameters also comprise the length S2 of the connecting section and the arc length H2 connected between the sloping sections and the connecting section, and the radius corresponding to the arc length H2 is R2; the variable parameters comprise a radius R2i corresponding to the arc length H2, and the radius R2i is finally changed into R2 according to the sequence of the working procedures; wherein, the central angle corresponding to the arc length H2 of the required plate type forming parameter in one procedure is equal to the included angle Ai of the one procedure; the constant parameter includes H2.
In one embodiment: in the step 4, each roller way parameter of the upper roller way and the lower roller way is automatically generated according to the cavity diagram, each roller way parameter is represented in a list, and meanwhile, a contour diagram is generated according to the roller way parameter.
In one embodiment: in the step 4, the roller way parameter is a modifiable parameter.
In one embodiment: in the step 5, the roller table generates a roller table assembly drawing, and the roller generates a roller part drawing.
In one embodiment: in the step 5, the roller table generates a roller table model diagram, and the roller generates a roller model diagram.
In one embodiment: further comprises:
step 6: and combining the roller patterns of the working procedures to form a virtual model pattern.
Compared with the background technology, the technical proposal has the following advantages:
the roller pattern of the roller table and the roller pattern of the roller in each working procedure of the required plate type can be automatically generated, the design efficiency is improved, the error rate is reduced, the labor cost is reduced, and the standardized production is improved.
The variable parameters comprise the included angle Ai, the included angle Ai is changed from small to large to the included angle A according to the sequence of the working procedures, the variable parameters are few, and the design convenience and modularization are improved.
The central angle corresponding to the arc length H1 is equal to the included angle Ai of the procedure, the central angle corresponding to the arc length H2 is equal to the included angle Ai of the procedure, and the included angles Ai are set to determine the radiuses R1i and R2i, so that the design convenience and modularization are improved.
And automatically generating all the roller way parameters of the upper roller way and the lower roller way according to the cavity diagram, listing and representing all the roller way parameters, and generating a contour diagram according to the roller way parameters at the same time, thereby being convenient for a user to modify.
Drawings
The invention is further described below with reference to the drawings and the detailed description.
FIG. 1 is a schematic engineering drawing of the plate types of the steps in sequence from a plate to be processed, such as the uppermost plate, to a desired plate, such as the lowermost plate, according to an embodiment.
Fig. 2 is a schematic diagram of the roller table assembly of the 1 st process of the embodiment.
Fig. 3 is a schematic view of the roller table assembly of the 12 th step of the embodiment.
Fig. 4 is a schematic view of the roller table assembly of the 20 th step of the embodiment.
Fig. 5 is one of the roller part engineering drawings intents generated in the detailed description.
Fig. 6 is a second illustration of a roller part engineering drawing generated in the embodiment.
FIG. 7 is a third illustration of a roller part engineering drawing generated in the present embodiment.
Detailed Description
A roll-type cold roll forming roller way forming design method comprises the following steps:
Step 3, automatically generating a cavity diagram according to the process plate type, wherein if the process plate type is a process plate type profile diagram, the process plate type profile diagram is the cavity diagram, or if the process plate type is a schematic diagram (without thickness), the schematic diagram is moved upwards by half the thickness of the required plate type to form an upper edge, the schematic diagram is moved downwards by half the thickness of the required plate type to form a lower edge, and the upper edge and the lower edge are connected linearly at the same end to form the cavity diagram in a matching way;
step 4, automatically generating a profile diagram of the upper roller way and the lower roller way according to the cavity diagram; setting the center distance of the upper roller way and the lower roller way according to the conventional design requirements, determining the axes of the upper roller way and the lower roller way according to the center distance, rotating the upper edge around the axis of the upper roller way to obtain an upper roller way profile, and rotating the lower edge around the axis of the lower roller way to obtain a lower roller way profile. The conventional design means that the shaft sleeves of the upper roller way and the lower roller way cannot interfere with the procedure plate type if the center distance between the middle and the lower is required;
step 5, decomposing the roller way into rollers capable of being assembled into the roller way according to the rule of the cloth wheels and the contour map of the roller way, wherein the roller way generates a roller diagram, the roller diagram is a roller way assembly engineering diagram, and the roller part engineering diagram is shown in figures 2-7;
step 6: and combining the roller patterns of the working procedures to form a virtual model pattern.
In this embodiment: in the step 4, each roller way parameter of the upper roller way and the lower roller way is automatically generated according to the cavity diagram, each roller way parameter is represented in a list, and meanwhile, a contour diagram is generated according to the roller way parameter. The roller way parameters are modifiable parameters, and the parameters can be modified according to the virtual model diagram so as to modify the roller way assembly engineering diagram and the wheel part engineering diagram.
The rule of the cloth wheel is that the roller wheel distance needs to be smaller than a certain empirical value, or the roller wheel distance is distributed empirically according to the length of the roller way axis.
If necessary, the projections are pressed out of the spacers in the subsequent steps, and the bent portions are cold-rolled in the sloping sections, the pressed-out projections and the bent portions being formed by plastic deformation, so that X and S are unchanged.
If necessary, in the step 2, variable parameters may be automatically generated according to the streamline contraction distribution, for example, a center line of a desired plate shape is set as a reference line, the reference line is also an axis of a waveform, and each process plate shape is generated according to the reference line in cooperation with a constant parameter and the variable parameter.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and therefore should not be taken as limiting the scope of the invention, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.
Claims (6)
1. The forming design method of the roller type cold roll forming roller way is characterized by comprising the following steps of: comprising the following steps:
step 1, obtaining required plate type forming parameters and a cloth wheel rule corresponding to the required plate type;
step 2, designing each procedure plate type from the plate to be processed to the required plate type according to the shaping parameters, wherein the procedure plate types are arranged according to the procedure sequence;
step 3, automatically generating a cavity diagram according to the procedure plate type; wherein: the plate type of the working procedure is a schematic diagram of the required plate type, the schematic diagram is moved upwards by half the thickness of the required plate type to form an upper edge, the schematic diagram is moved downwards by half the thickness of the required plate type to form a lower edge, and the upper edge and the lower edge are connected with each other by a straight line at the same end to form a cavity diagram;
step 4, automatically generating a profile diagram of the upper roller way and the lower roller way according to the cavity diagram; wherein: setting the center distance between an upper roller way and a lower roller way according to the conventional design requirements, determining the axes of the upper roller way and the lower roller way according to the center distance, rotating the upper edge around the upper roller way axis to form an upper roller way profile, and rotating the lower edge around the lower roller way axis to form a lower roller way profile;
step 5, decomposing the roller way into rollers capable of being assembled into the roller way according to the rule of the cloth wheel and the outline drawing of the roller way, and generating a roller drawing of the roller way and a roller drawing of the roller;
wherein: in the step 1, the required plate shape is provided with a plurality of evenly-spaced waveforms and spacing segments between every two adjacent waveforms, wherein the waveforms comprise two sloping segments, and the required plate shape forming parameters comprise the width S of the spacing segments, the included angle A between the sloping segments and the spacing segments and the length X of the sloping segments; each process plate type is provided with constant parameters and variable parameters, wherein the variable parameters comprise an included angle Ai, the included angle Ai is changed from small to large to form an included angle A according to the sequence of the process, and the constant parameters comprise the width S of the interval section and the length X of the slope section;
the required plate type forming parameters also comprise arc length H1 connected between the slope section and the interval section, and the radius corresponding to the arc length H1 is R1; the variable parameters comprise a radius R1i corresponding to the arc length H1, and the radius R1i is finally changed into R1 according to the sequence of the working procedures; wherein, the central angle corresponding to the arc length H1 of the required plate type forming parameter in one procedure is equal to the included angle Ai of the one procedure; the constant parameter includes arc length H1;
the waveform also comprises a connecting section connected between the tail ends of the two sloping sections, the required plate type forming parameters also comprise the length S2 of the connecting section and the arc length H2 connected between the sloping sections and the connecting section, and the radius corresponding to the arc length H2 is R2; the variable parameters comprise a radius R2i corresponding to the arc length H2, and the radius R2i is finally changed into R2 according to the sequence of the working procedures; wherein, the central angle corresponding to the arc length H2 of the required plate type forming parameter in one procedure is equal to the included angle Ai of the one procedure; the constant parameter includes arc length H2.
2. The roll-type cold roll forming roller bed forming design method according to claim 1, wherein the method comprises the following steps: in the step 4, each roller way parameter of the upper roller way and the lower roller way is automatically generated according to the cavity diagram, each roller way parameter is represented in a list, and meanwhile, a contour diagram is generated according to the roller way parameter.
3. The roll-type cold roll forming roller bed forming design method according to claim 2, characterized in that: in the step 4, the roller way parameter is a modifiable parameter.
4. The roll-type cold roll forming roller bed forming design method according to claim 3, wherein the method comprises the following steps: in the step 5, the roller table generates a roller table assembly drawing, and the roller generates a roller part drawing.
5. The roll-type cold roll forming roller bed forming design method according to claim 3, wherein the method comprises the following steps: in the step 5, the roller table generates a roller table model diagram, and the roller generates a roller model diagram.
6. The roll-type cold roll forming roller bed forming design method according to claim 1, wherein the method comprises the following steps: further comprises:
step 6: and combining the roller patterns of the working procedures to form a virtual model pattern.
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| CN201910092263.2A CN109918728B (en) | 2019-01-30 | 2019-01-30 | Roller type cold roll forming roller way forming design method |
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| CN201910092263.2A CN109918728B (en) | 2019-01-30 | 2019-01-30 | Roller type cold roll forming roller way forming design method |
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| CN109918728B true CN109918728B (en) | 2023-05-12 |
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| GB1293576A (en) * | 1968-12-05 | 1972-10-18 | Ingersoll Milling Machine Co | Edm method and apparatus for finishing rolls |
| GB1397092A (en) * | 1968-12-05 | 1975-06-11 | Ingersoll Milling Machine Co | Method and apparatus for finishing rolls |
| CN101174148A (en) * | 2007-11-22 | 2008-05-07 | 上海交通大学 | Full process automatic parameter model building method of straight welded pipe cage forming set |
| CN101393446A (en) * | 2008-10-24 | 2009-03-25 | 河北科技大学 | Cold roll forming and virtual manufacturing system based on CATIA |
| CN208321703U (en) * | 2018-04-27 | 2019-01-04 | 广州市南粤钢管有限公司 | A kind of roller-way structure of steel pipe cold-bending forming machine |
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2019
- 2019-01-30 CN CN201910092263.2A patent/CN109918728B/en active Active
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|---|---|---|---|---|
| GB1293576A (en) * | 1968-12-05 | 1972-10-18 | Ingersoll Milling Machine Co | Edm method and apparatus for finishing rolls |
| GB1397092A (en) * | 1968-12-05 | 1975-06-11 | Ingersoll Milling Machine Co | Method and apparatus for finishing rolls |
| CN101174148A (en) * | 2007-11-22 | 2008-05-07 | 上海交通大学 | Full process automatic parameter model building method of straight welded pipe cage forming set |
| CN101393446A (en) * | 2008-10-24 | 2009-03-25 | 河北科技大学 | Cold roll forming and virtual manufacturing system based on CATIA |
| CN208321703U (en) * | 2018-04-27 | 2019-01-04 | 广州市南粤钢管有限公司 | A kind of roller-way structure of steel pipe cold-bending forming machine |
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