CN105665486A - Cam variable-section roller bending forming machine and forming method - Google Patents
Cam variable-section roller bending forming machine and forming method Download PDFInfo
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- CN105665486A CN105665486A CN201510355315.2A CN201510355315A CN105665486A CN 105665486 A CN105665486 A CN 105665486A CN 201510355315 A CN201510355315 A CN 201510355315A CN 105665486 A CN105665486 A CN 105665486A
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Abstract
The invention provides a cam variable-section roller bending forming machine and forming method. The cam variable-section roller bending forming machine comprises at least set of conjugate cam variable-section roller bending forming units. When the conjugate cam variable-section roller bending forming units are two sets or above, all the conjugate cam variable-section roller bending forming units are connected sequentially end to end. Each set of conjugate cam variable-section roller bending forming unit comprises an upper concave wheel, a lower cam, an upper driving shaft, a lower driving shaft, an upper concave wheel driving mechanism, a lower cam driving mechanism and a cam. The cam variable-section roller bending forming machine and forming method have the advantages that (1) products with different widths, different heights and different sections can be designed and produced according to different shapes of cams, so that the adaptability is higher; and (2) through the cam variable-section roller bending forming machine and forming method, and roller bending forming of variable-height-section parts with deep and narrow section shapes can be effectively achieved; the number and scale of servo controlled shafts are further reduced, traditional mechanisms are used for forming, so that a control system becomes simple and easy to operate, thus the reliability of system operation is improved, and the system is convenient to maintain.
Description
Technical field
The invention belongs to the variable-section roll-bending forming technique field in machining, be specifically related to a kind of cam variable-section roll-bending forming machine and manufacturing process.
Background technology
In recent years the variable-section roll-bending forming technique proposed and the model machine developed, bilateral variable-section roll-bending can be realized shape, but pair cross-section shape and width have certain restriction, it is suitable only for the variable cross-section part shaping Trapezoidal, and in forming process, numerous inherent shortcomings all cannot effectively eliminate, and forming accuracy is difficult to be protected.
For the variable cross-section part of And of Varying Depth class, due to the restriction of roll placement space, roll bending progressive forming feature and for the dependency etc. of roll shape, cannot shape especially. Additionally, due to part variable cross-section district is different with the springback angle in uiform section district so that the control of part forming precision becomes extremely complex, at present, lack effective technological approaches and solve.
At present, existing variable-section roll-bending fabrication line model machine in world wide, relate to Collaborative Control during multiaxis empty, the number of axle is in large scale, controls complexity, faces the problems such as system fluctuation of service, reliability is low, maintenance is complicated in actual production process.
Summary of the invention
For the defect that prior art exists, the present invention provides a kind of cam variable-section roll-bending forming machine and manufacturing process, can effectively solve the problems referred to above.
The technical solution used in the present invention is as follows:
The present invention provides a kind of cam variable-section roll-bending forming machine, including least one set conjugate cam variable-section roll-bending forming unit (4); When described conjugate cam variable-section roll-bending forming unit (4) be two groups and above time, each described conjugate cam variable-section roll-bending forming unit (4) end to end setting successively.
Preferably, often organize described conjugate cam variable-section roll-bending forming unit (4) to include: fovea superior wheel (4-1), lower cam (4-2), upper driving axle (4-3), lower driving axle (4-4), fovea superior actuation (4-5), lower cam drive mechanism (4-6) and frame;
Wherein, (4-1) is sheathed is fixed on described upper driving axle (4-3) for described fovea superior wheel, and described upper driving axle (4-3) is rotatably arranged in described frame;Described fovea superior actuation (4-5) and the linkage of described upper driving axle (4-3), for driving described upper driving axle (4-3) to rotate, and, it is used for adjusting described upper driving axle (4-3) distance in the vertical direction;
Described lower cam (4-2) is sheathed is fixed on described lower driving axle (4-4), and described lower driving axle (4-4) is rotatably arranged in described frame; Described lower cam drive mechanism (4-6) and the linkage of described lower driving axle (4-4), for driving described lower driving axle (4-4) to rotate, and, it is used for adjusting described lower driving axle (4-4) distance in the vertical direction.
Preferably, described fovea superior actuation (4-5) and described lower cam drive mechanism (4-6) all include: seat (4-9) fixed by servo drive motor (4-7), decelerator (4-8) and decelerator; Described servo drive motor (4-7) is linked with corresponding driving axle by described decelerator (4-8).
Preferably, described fovea superior wheel (4-1) includes road wheel (4-1-1) and is positioned at described upper road wheel (4-1-1) left and right sides and takes turns (4-1-3) higher than the 1st left redundant wheel (4-1-2) and the 1st right redundant of described upper road wheel (4-1-1), owing to described 1st left redundant wheel (4-1-2) and described 1st right redundant wheel (4-1-3) are higher than described upper road wheel (4-1-1), thus make described upper road wheel (4-1-1) become recessed and take turns shape;
Described lower cam (4-2) includes lower road wheel (4-2-1) and is positioned at described lower road wheel (4-2-1) left and right sides and takes turns (4-2-3) lower than the 2nd left redundant wheel (4-2-2) and the 2nd right redundant of described lower road wheel (4-2-1), owing to described 2nd left redundant wheel (4-2-2) and described 2nd right redundant wheel (4-2-3) are lower than described lower road wheel (4-2-1), described lower road wheel (4-2-1) is thus made to become cam face;
Described fovea superior wheel (4-1) and described lower cam (4-2) are conjugated structure, refer to: described lower road wheel (4-2-1) is all adaptive with the width of described upper road wheel (4-1-1) and the degree of depth; Meanwhile, described 2nd left redundant wheel (4-2-2) is all adaptive with the width of described 1st left redundant wheel (4-1-2) and the degree of depth; Meanwhile, described 2nd right redundant wheel (4-2-3) is all adaptive with the width of described 1st right redundant wheel (4-1-3) and the degree of depth.
Preferably, described upper road wheel (4-1-1) and described lower road wheel (4-2-1) are structure of ceasing to be faithful, it may be assumed that the outer radial curved surface of described upper road wheel (4-1-1) and described lower road wheel (4-2-1) is non-circle ring surface.
Preferably, between described fovea superior wheel (4-1) and described lower cam (4-2), gap is the material thickness t of a sheet material;
When arranging described conjugate cam variable-section roll-bending forming unit (4) of multi-pass, by direction from front to back, the shape angles of described conjugate cam variable-section roll-bending forming unit (4) is incremented by, for U-board material is shaped to hat sheet material; Wherein, the shape angles of described conjugate cam variable-section roll-bending forming unit (4) refers to: the angle between outer radial curved surface and the described upper road wheel (4-1-1) of described 1st left redundant wheel (4-1-2) or described 1st right redundant wheel (4-1-3) are axial; Meanwhile, be also described 2nd left redundant wheel (4-2-2) or the 2nd right redundant wheel (4-2-3) outer radial curved surface and described lower road wheel (4-2-1) between angle.
Preferably, also include: uncoiler pay-off (1), leveling apparatus (2), uniform section forming machine (3), shearing device, drawing mechanism and palletizing apparatus;
Before described conjugate cam variable-section roll-bending forming unit (4) foremost, by plate conveying direction, set gradually described uncoiler pay-off (1), described leveling apparatus (2) and described uniform section forming machine (3);
After described conjugate cam variable-section roll-bending forming unit (4) of least significant end, by plate conveying direction, set gradually described shearing device, described drawing mechanism and described palletizing apparatus.
Preferably, also include: at least one roller bracket; Between adjacent described conjugate cam variable-section roll-bending forming unit (4), at least one described roller bracket is set, is supported the level height of materials and parts by described roller bracket;
Spacing between adjacent described conjugate cam variable-section roll-bending forming unit (4) is equal to length L and the garbage area length L1 sum of institute's manufactured parts.
Preferably, also include: several are directed only to and are not involved in the strip driving mechanism shaped;
The front end of described uncoiler pay-off (1) is provided with described strip driving mechanism;
It is respectively provided with at least one described strip driving mechanism in the front end and/or rear end of often organizing described conjugate cam variable-section roll-bending forming unit (4);
The forming height of described strip driving mechanism is consistent with the forming height of described conjugate cam variable-section roll-bending forming unit (4);
It addition, the strip driving mechanism being arranged at the front end of described uncoiler pay-off (1) is driven by single servo motor; The strip driving mechanism being arranged between described conjugate cam variable-section roll-bending forming unit (4) is the upper and lower Dual Drive of servomotor.
The present invention also provides for a kind of cam variable-section roll-bending manufacturing process, comprises the following steps:
Step 1, by sheet material conveying direction, set gradually uncoiler pay-off (1), leveling apparatus (2), p uniform section forming machine (3), q conjugate cam variable-section roll-bending forming unit (4), shearing device, drawing mechanism and palletizing apparatus; Wherein, p and q is natural number;
Wherein, the spacing between adjacent described conjugate cam variable-section roll-bending forming unit (4) is equal to length L and the garbage area length L1 sum of institute's manufactured parts;
In each described conjugate cam variable-section roll-bending forming unit (4), between fovea superior wheel (4-1) and lower cam (4-2), gap is the material thickness t of sheet material;
By sheet material conveying direction, the shape angles of q conjugate cam variable-section roll-bending forming unit (4) is incremented by; If the shape angles of q conjugate cam variable-section roll-bending forming unit (4) is respectively as follows: α 1, α 2 ... α p;
The shaping width of q conjugate cam variable-section roll-bending forming unit (4) is the Forming depth of n1, q conjugate cam variable-section roll-bending forming unit (4) and is n2;
S2, when need sheet material forming to be width be n1, the degree of depth be the component of hat section of n2 time, start each uniform section forming machine (3) and each conjugate cam variable-section roll-bending forming unit (4), make all uniform section forming machines (3) with all conjugate cams variable-section roll-bending forming unit (4) with identical rotational speed;
Then, first by uncoiler pay-off (1), the sheet material of rolling is carried out uncoiling; Then, leveling apparatus (2) sheet material after uncoiling is carried out leveling; Then, the sheet material after leveling passes sequentially through the uniform section forming machine (3) of multi-pass and carries out uniform section molding, obtains U-shaped component; Wherein, U-shaped component includes being positioned at the plane of structure of bottom and being positioned at left surface and the right flank of the described plane of structure left and right sides; The width of U-shaped component is the width of described plane of structure, for n1;
S3, then, U-shaped component enters fovea superior wheel (4-1) and lower cam (4-2) gap of the 1st passage conjugate cam variable-section roll-bending forming unit (4); Now, on the one hand, owing to the plane of structure width n1 of U-shaped component is equal to the radial width of upper road wheel (4-1-1) and lower road wheel (4-2-1), therefore, the plane of structure of U-shaped component is held between road wheel (4-1-1) and lower road wheel (4-2-1), and advances under the driving of upper road wheel (4-1-1) and lower road wheel (4-2-1);On the other hand, take turns under the effect of (4-1-2) and the 2nd left redundant wheel (4-2-2) in the 1st left redundant, by outside for the left surface of U-shaped component bending, wherein, bending angle is equal to the shape angles α 1 of this passage, and bending position is: distance plane of structure height is the position of n2; On the other hand, take turns under the effect of (4-1-3) and the 2nd right redundant wheel (4-2-3) in the 1st right redundant, by outside for the right flank of U-shaped component bending, wherein, bending angle is equal to the shape angles α 1 of this passage, and bending position is: distance plane of structure height is the position of n2; Thus obtain the shape for hat component that shape angles is α 1;
S4, the shape for hat component that shape angles is α 1 travels forward, and enter into fovea superior wheel (4-1) and lower cam (4-2) gap of the 2nd passage conjugate cam variable-section roll-bending forming unit (4), by the molding effect of the 2nd passage conjugate cam variable-section roll-bending forming unit (4), obtain the shape for hat component that shape angles is α 2;
The rest may be inferred, eventually passes through the molding effect of P passage conjugate cam variable-section roll-bending forming unit (4), obtains the shape for hat component that shape angles is α P;
S5, shape angles is the effect that the shape for hat component of α P passes sequentially through shearing device, drawing mechanism and palletizing apparatus again, obtains the shape for hat component that independent shape angles is α P.
Beneficial effects of the present invention is as follows:
Cam variable-section roll-bending forming machine provided by the invention and manufacturing process have the advantage that
(1) according to the difformity of cam, can designing the product producing different in width, differing heights, different cross section, adaptability is higher.
(2) present invention can effectively solve a roll forming difficult problem for the not only deep but also narrow height change section parts of cross sectional shape; Also reducing servo-controlled number of axle scale, use traditional mechanical mechanism molding, make control system become simple, thus improve the reliability that system is run, conveniently system being safeguarded.
Accompanying drawing explanation
Fig. 1 is the perspective view of cam variable-section roll-bending forming machine provided by the invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the partial view of Fig. 1;
Fig. 5 is the structural representation of conjugate cam variable-section roll-bending forming unit;
When Fig. 6 is for being provided with 7 passage uniform section forming machines, its uniform section forming process schematic diagram;
When Fig. 7 is for being provided with 6 passage conjugate cam variable-section roll-bending forming units, its variable cross-section forming process schematic diagram;
Fig. 8 is the roll-forming machine with differing formed degree of depth n2 value, finally shapes the schematic diagram of the cap with different depth obtained.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail:
The present invention provides a kind of cam variable-section roll-bending forming machine, adopt conventional roll o ing pattern, only adjust roller shape, on the one hand, by the roller shape of special construction, tradition variable-section roll-bending can be realized and shape the deep narrow cross sectional shape that cannot realize, it may be assumed that form the processing of the tapering plate part of the not only deep but also narrow alterable height of pair cross-section feature, make the shaped piece of production And of Varying Depth Trapezoidal be possibly realized; On the other hand, due to present invention employing is conventional roll o ing pattern, conveniently controls and debugging forming process, the demand that fully satisfied production is actual.
The core component of the present invention is conjugate cam variable-section roll-bending forming unit 4; Conjugate cam variable-section roll-bending forming unit can arrange one or more, specifically the arranging quantity and can carry out increasing or reducing according to the shape of part to be formed of conjugate cam variable-section roll-bending forming unit.When conjugate cam variable-section roll-bending forming unit 4 be two groups and above time, each conjugate cam variable-section roll-bending forming unit 4 end to end setting successively.
With reference to Fig. 4 and Fig. 5, often group conjugate cam variable-section roll-bending forming unit 4 includes: fovea superior wheel 4-1, lower cam 4-2, upper driving axle 4-3, lower driving axle 4-4, fovea superior actuation 4-5, lower cam drive mechanism 4-6 and frame;
Wherein, 4-1 is sheathed is fixed on driving axle 4-3 for fovea superior wheel, and upper driving axle 4-3 is rotatably arranged in frame; Fovea superior actuation 4-5 and upper driving axle 4-3 linkage, is used for driving axle 4-3 and rotates, and, for adjusting driving axle 4-3 distance in the vertical direction;
Lower cam 4-2 is sheathed to be fixed on lower driving axle 4-4, and lower driving axle 4-4 is rotatably arranged in frame; Lower cam drive mechanism 4-6 and lower driving axle 4-4 linkage, is used for driving lower driving axle 4-4 to rotate, and, for adjusting lower driving axle 4-4 distance in the vertical direction.
Fovea superior actuation 4-5 and lower cam drive mechanism 4-6 all includes: seat 4-9 fixed by servo drive motor 4-7, decelerator 4-8 and decelerator; Servo drive motor 4-7 is linked with corresponding driving axle by decelerator 4-8.
Concrete, fovea superior wheel 4-1 includes road wheel 4-1-1 and is positioned at the road wheel 4-1-1 left and right sides and the 1st left redundant wheel 4-1-2 and the 1 right redundant wheel 4-1-3 higher than upper road wheel 4-1-1, owing to the 1st left redundant takes turns 4-1-2 and the 1 right redundant wheel 4-1-3 higher than upper road wheel 4-1-1, thus make road wheel 4-1-1 become recessed and take turns shape;
Lower cam 4-2 includes lower road wheel 4-2-1 and is positioned at the lower road wheel 4-2-1 left and right sides and the 2nd left redundant wheel 4-2-2 and the 2 right redundant wheel 4-2-3 lower than lower road wheel 4-2-1, owing to the 2nd left redundant takes turns 4-2-2 and the 2 right redundant wheel 4-2-3 lower than lower road wheel 4-2-1, lower road wheel 4-2-1 is thus made to become cam face;
Fovea superior wheel 4-1 and lower cam 4-2 is conjugated structure, refers to: width and the degree of depth of lower road wheel 4-2-1 and upper road wheel 4-1-1 are all adaptive; Meanwhile, the 2nd left redundant wheel 4-2-2 and the 1 left redundant takes turns the width of 4-1-2 and the degree of depth is all adaptive; Meanwhile, the 2nd right redundant wheel 4-2-3 and the 1 right redundant takes turns the width of 4-1-3 and the degree of depth is all adaptive.
Additionally, in the present invention, upper road wheel 4-1-1 and lower road wheel 4-2-1 is structure of ceasing to be faithful, it may be assumed that the outer radial curved surface of upper road wheel 4-1-1 and lower road wheel 4-2-1 is non-circle ring surface.
Between fovea superior wheel 4-1 and lower cam 4-2, gap is the material thickness t of a sheet material; When arranging the conjugate cam variable-section roll-bending forming unit 4 of multi-pass, by direction from front to back, the shape angles of conjugate cam variable-section roll-bending forming unit 4 is incremented by, for U-board material is shaped to hat sheet material; Wherein, the shape angles of conjugate cam variable-section roll-bending forming unit 4 refers to: the 1st left redundant wheel 4-1-2 or the 1st right redundant wheel outer radial curved surface of 4-1-3 and upper road wheel 4-1-1 axially between angle; Meanwhile, be also the 2nd left redundant wheel 4-2-2 or the 2nd right redundant wheel 4-2-3 outer radial curved surface and lower road wheel 4-2-1 between angle.
As shown in Figure 2, the schematic diagram of passage is shaped for arranging 6 variable cross-sections, it is just the same that each passage shapes frame, from the 1st passage to the 5th passage, its shape angles is followed successively by 20 °, 40 °, 60 °, 80 ° and 90 °, and the 6th passage shapes the roll cam side shape angles of frame and finally shapes according to part variable cross-section region and uiform section district springback angle.
Additionally, for realizing the roll bending formation to sheet material, also include following auxiliary equipment:
(1) uncoiler pay-off 1, leveling apparatus 2, uniform section forming machine 3, shearing device, drawing mechanism and palletizing apparatus
Before conjugate cam variable-section roll-bending forming unit 4 foremost, by plate conveying direction, set gradually uncoiler pay-off 1, leveling apparatus 2 and uniform section forming machine 3;
After the conjugate cam variable-section roll-bending forming unit 4 of least significant end, by plate conveying direction, set gradually shearing device, drawing mechanism and palletizing apparatus. Wherein, shearing device is that the last cutting edge of plate has shaped finishing operation;
(2) roller bracket
Also include: at least one roller bracket; Between adjacent conjugate cam variable-section roll-bending forming unit 4, at least one roller bracket is set, is supported the level height of materials and parts by roller bracket, it is prevented that the phenomenons such as windrow occur;
Spacing between adjacent conjugate cam variable-section roll-bending forming unit 4 is equal to length L and the garbage area length L1 sum of institute's manufactured parts.
(3) strip driving mechanism
Strip driving mechanism is directed only to and is not involved in shape, and each strip driving mechanism all includes driving mechanism servomotor, drives roll and roll gap adjustment mechanism;
Strip driving mechanism main region is divided into two classes:
It is arranged at the strip driving mechanism of the front end of uncoiler pay-off 1, is driven by single servo motor; ;
It is arranged at and often organizes the front end of conjugate cam variable-section roll-bending forming unit 4 and/or the strip driving mechanism of rear end, for the upper and lower Dual Drive of servomotor. Further, can arranging one or more strip driving mechanism between adjacent conjugate cam variable-section roll-bending forming unit, specifically arranging quantity can increase and decrease according to actual needs;
The forming height of strip driving mechanism needs consistent with the forming height of conjugate cam variable-section roll-bending forming unit 4.
Therefore, pass through said apparatus, the conjugate cam variable-section roll-bending forming unit that cam variable-section roll-bending forming device is equidistantly positioned by multi-pass forms, fovea superior wheel and lower cam in each conjugate cam variable-section roll-bending forming unit can realize independent X to motion by driven by servomotor, such that it is able to by the rotation controlling servomotor, making the roll of shaping frame move along the profile of cover half, the variable-section roll-bending being finally completed metal plate and belt shapes.
In the present invention, strip can be passed through inductive switch sensor to the detection of X positive direction one part length of advance and the detection of feature holes be realized. After inductive switch detects hole, molding location, control system controls the servomotor of the first passage conjugate cam variable-section roll-bending forming unit and starts to drive corresponding roll to be shaped; When the inductive switch detecting the presence of material detects without plate, all servomotor stop motions.
The present invention also provides for a kind of cam variable-section roll-bending manufacturing process, comprises the following steps:
Step 1, by sheet material conveying direction, sets gradually uncoiler pay-off 1, leveling apparatus 2, p uniform section forming machine 3, q conjugate cam variable-section roll-bending forming unit 4, shearing device, drawing mechanism and palletizing apparatus; Wherein, p and q is natural number;
Wherein, the spacing between adjacent conjugate cam variable-section roll-bending forming unit 4 is equal to length L and the garbage area length L1 sum of institute's manufactured parts;
In each conjugate cam variable-section roll-bending forming unit 4, between fovea superior wheel 4-1 and lower cam 4-2, gap is the material thickness t of sheet material;
By sheet material conveying direction, the shape angles of q conjugate cam variable-section roll-bending forming unit 4 is incremented by; If the shape angles of q conjugate cam variable-section roll-bending forming unit 4 is respectively as follows: α 1, α 2 ... α p;
Such as, 6 conjugate cam variable-section roll-bending forming units are set altogether, the shape angles of front 5 conjugate cam variable-section roll-bending forming units is followed successively by 20 °, 40 °, 60 °, 80 ° and 90 °, and the 6th passage shapes the roll cam side shape angles of frame and is configured according to part variable cross-section region and uiform section district springback angle.
The shaping width of q conjugate cam variable-section roll-bending forming unit 4 is the Forming depth of n1, q conjugate cam variable-section roll-bending forming unit 4 and is n2;
S2, when need sheet material forming to be width be n1, the degree of depth be the component of hat section of n2 time, start each uniform section forming machine 3 and each conjugate cam variable-section roll-bending forming unit 4, make all uniform section forming machines 3 with all conjugate cam variable-section roll-bending forming unit 4 with identical rotational speed;
Herein, all uniform section forming machines 3 must with identical rotational speed with all conjugate cam variable-section roll-bending forming units 4, being smoothed out of guarantee roll bending formation.
Then, first by uncoiler pay-off 1, the sheet material of rolling is carried out uncoiling; Then, leveling apparatus 2 sheet material after uncoiling is carried out leveling; Then, the sheet material after leveling passes sequentially through the uniform section forming machine 3 of multi-pass and carries out uniform section molding, obtains U-shaped component; Wherein, U-shaped component includes being positioned at the plane of structure of bottom and being positioned at left surface and the right flank of the plane of structure left and right sides; The width of U-shaped component is the width of plane of structure, for n1;
As shown in Figure 6, during for being provided with 7 passage uniform section forming machines, its uniform section forming process schematic diagram; From fig. 6, it can be seen that sheet material first passes through the 1st passage uniform section forming machine, obtain the component that shape angles is 0 °; Then, by the 2nd passage uniform section forming machine, the component that shape angles is 15 ° is obtained; By that analogy, according to this by the 3rd passage to the uniform section forming machine of the 7th passage, the component that shape angles is 30 °, 45 °, 60 °, 75 °, 90 ° is obtained successively, thus obtaining final U-shaped component.
S3, then, U-shaped component enters the fovea superior wheel 4-1 of the 1st passage conjugate cam variable-section roll-bending forming unit 4 and lower cam 4-2 gap; Now, on the one hand, owing to the plane of structure width n1 of U-shaped component is equal to the radial width of upper road wheel 4-1-1 and lower road wheel 4-2-1, therefore, the plane of structure of U-shaped component is held between road wheel 4-1-1 and lower road wheel 4-2-1, and advances under the driving of upper road wheel 4-1-1 and lower road wheel 4-2-1; On the other hand, taking turns under the effect of 4-1-2 and the 2 left redundant wheel 4-2-2 in the 1st left redundant, by outside for the left surface of U-shaped component bending, wherein, bending angle is equal to the shape angles α 1 of this passage, and bending position is: distance plane of structure height is the position of n2; On the other hand, taking turns under the effect of 4-1-3 and the 2 right redundant wheel 4-2-3 in the 1st right redundant, by outside for the right flank of U-shaped component bending, wherein, bending angle is equal to the shape angles α 1 of this passage, and bending position is: distance plane of structure height is the position of n2; Thus obtain the shape for hat component that shape angles is α 1;
S4, the shape for hat component that shape angles is α 1 travels forward, and enter into the fovea superior wheel 4-1 of the 2nd passage conjugate cam variable-section roll-bending forming unit 4 and lower cam 4-2 gap, by the molding effect of the 2nd passage conjugate cam variable-section roll-bending forming unit 4, obtain the shape for hat component that shape angles is α 2;
The rest may be inferred, eventually passes through the molding effect of P passage conjugate cam variable-section roll-bending forming unit 4, obtains the shape for hat component that shape angles is α P;
As it is shown in fig. 7, during for being provided with 6 passage conjugate cam variable-section roll-bending forming units, its variable cross-section forming process schematic diagram; As can be seen from Figure 8, U-shaped component first passes through the 1st passage conjugate cam variable-section roll-bending forming unit, effect through 1 passage conjugate cam variable-section roll-bending forming unit, make the left surface of U-shaped component and the position of right flank outside bending to 20 ° respectively, obtain the component that shape angles is 20 °;Then, by the 2nd passage conjugate cam variable-section roll-bending forming unit, the component that shape angles is 40 ° is obtained; By that analogy, according to this by the 3rd passage to the conjugate cam variable-section roll-bending forming unit of the 5th passage, the component that shape angles is 60 °, 80 ° and 90 ° is obtained successively; Effect eventually through the 6th passage conjugate cam variable-section roll-bending forming unit. Respectively arrive final cap.
Visible, above-mentioned forming process is a gradual change cross section forming process. In the present invention, the feature of formed parts as required, have only to adjust the shaping width n1 value of each conjugate cam variable-section roll-bending forming unit, Forming depth n2 value and forming angle angle value flexibly, the component obtaining Trapezoidal, varying depth and variable cross-section shape can be shaped.
As shown in Figure 8, for having the roll-forming machine of differing formed degree of depth n2 value, finally shape the schematic diagram of the cap with different depth obtained.
S5, shape angles is the effect that the shape for hat component of α P passes sequentially through shearing device, drawing mechanism and palletizing apparatus again, obtains the shape for hat component that independent shape angles is α P.
As can be seen here, cam variable-section roll-bending forming machine provided by the invention and manufacturing process, have the advantage that
(1) multi-pass by being arranged in order has the conjugate cam variable-section roll-bending forming unit of contoured profile, coiled material or individual sheet material is little by little carried out transverse curvature, to make the shape of specific section. Further, forming process is coordinate in the process rotated at convex-concave wheel, and plate, by contacting with convex-concave wheel, shapes the cross section of respective heights in the position that cam is different. Therefore, according to the difformity of cam, can designing the product producing different in width, differing heights, different cross section, adaptability is higher.
(2) present invention can effectively solve a roll forming difficult problem for the not only deep but also narrow height change section parts of cross sectional shape; Also reducing servo-controlled number of axle scale, use traditional mechanical mechanism molding, make control system become simple, thus improve the reliability that system is run, conveniently system being safeguarded.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (10)
1. a cam variable-section roll-bending forming machine, it is characterised in that include least one set conjugate cam variable-section roll-bending forming unit (4); When described conjugate cam variable-section roll-bending forming unit (4) be two groups and above time, each described conjugate cam variable-section roll-bending forming unit (4) end to end setting successively.
2. cam variable-section roll-bending forming machine according to claim 1, it is characterized in that, often organize described conjugate cam variable-section roll-bending forming unit (4) and including: fovea superior wheel (4-1), lower cam (4-2), upper driving axle (4-3), lower driving axle (4-4), fovea superior actuation (4-5), lower cam drive mechanism (4-6) and frame;
Wherein, (4-1) is sheathed is fixed on described upper driving axle (4-3) for described fovea superior wheel, and described upper driving axle (4-3) is rotatably arranged in described frame; Described fovea superior actuation (4-5) and the linkage of described upper driving axle (4-3), for driving described upper driving axle (4-3) to rotate, and, it is used for adjusting described upper driving axle (4-3) distance in the vertical direction;
Described lower cam (4-2) is sheathed is fixed on described lower driving axle (4-4), and described lower driving axle (4-4) is rotatably arranged in described frame; Described lower cam drive mechanism (4-6) and the linkage of described lower driving axle (4-4), for driving described lower driving axle (4-4) to rotate, and, it is used for adjusting described lower driving axle (4-4) distance in the vertical direction.
3. cam variable-section roll-bending forming machine according to claim 2, it is characterized in that, described fovea superior actuation (4-5) and described lower cam drive mechanism (4-6) all include: seat (4-9) fixed by servo drive motor (4-7), decelerator (4-8) and decelerator; Described servo drive motor (4-7) is linked with corresponding driving axle by described decelerator (4-8).
4. cam variable-section roll-bending forming machine according to claim 2, it is characterized in that, described fovea superior wheel (4-1) includes road wheel (4-1-1) and is positioned at described upper road wheel (4-1-1) left and right sides and takes turns (4-1-3) higher than the 1st left redundant wheel (4-1-2) and the 1st right redundant of described upper road wheel (4-1-1), owing to described 1st left redundant wheel (4-1-2) and described 1st right redundant wheel (4-1-3) are higher than described upper road wheel (4-1-1), thus make described upper road wheel (4-1-1) become recessed and take turns shape;
Described lower cam (4-2) includes lower road wheel (4-2-1) and is positioned at described lower road wheel (4-2-1) left and right sides and takes turns (4-2-3) lower than the 2nd left redundant wheel (4-2-2) and the 2nd right redundant of described lower road wheel (4-2-1), owing to described 2nd left redundant wheel (4-2-2) and described 2nd right redundant wheel (4-2-3) are lower than described lower road wheel (4-2-1), described lower road wheel (4-2-1) is thus made to become cam face;
Described fovea superior wheel (4-1) and described lower cam (4-2) are conjugated structure, refer to: described lower road wheel (4-2-1) is all adaptive with the width of described upper road wheel (4-1-1) and the degree of depth; Meanwhile, described 2nd left redundant wheel (4-2-2) is all adaptive with the width of described 1st left redundant wheel (4-1-2) and the degree of depth; Meanwhile, described 2nd right redundant wheel (4-2-3) is all adaptive with the width of described 1st right redundant wheel (4-1-3) and the degree of depth.
5. cam variable-section roll-bending forming machine according to claim 4, it is characterized in that, described upper road wheel (4-1-1) and described lower road wheel (4-2-1) are structure of ceasing to be faithful, it may be assumed that the outer radial curved surface of described upper road wheel (4-1-1) and described lower road wheel (4-2-1) is non-circle ring surface.
6. cam variable-section roll-bending forming machine according to claim 5, it is characterised in that between described fovea superior wheel (4-1) and described lower cam (4-2), gap is the material thickness t of a sheet material;
When arranging described conjugate cam variable-section roll-bending forming unit (4) of multi-pass, by direction from front to back, the shape angles of described conjugate cam variable-section roll-bending forming unit (4) is incremented by, for U-board material is shaped to hat sheet material; Wherein, the shape angles of described conjugate cam variable-section roll-bending forming unit (4) refers to: the angle between outer radial curved surface and the described upper road wheel (4-1-1) of described 1st left redundant wheel (4-1-2) or described 1st right redundant wheel (4-1-3) are axial; Meanwhile, be also described 2nd left redundant wheel (4-2-2) or the 2nd right redundant wheel (4-2-3) outer radial curved surface and described lower road wheel (4-2-1) between angle.
7. cam variable-section roll-bending forming machine according to claim 1, it is characterized in that, also include: uncoiler pay-off (1), leveling apparatus (2), uniform section forming machine (3), shearing device, drawing mechanism and palletizing apparatus;
Before described conjugate cam variable-section roll-bending forming unit (4) foremost, by plate conveying direction, set gradually described uncoiler pay-off (1), described leveling apparatus (2) and described uniform section forming machine (3);
After described conjugate cam variable-section roll-bending forming unit (4) of least significant end, by plate conveying direction, set gradually described shearing device, described drawing mechanism and described palletizing apparatus.
8. cam variable-section roll-bending forming machine according to claim 7, it is characterised in that also include: at least one roller bracket; Between adjacent described conjugate cam variable-section roll-bending forming unit (4), at least one described roller bracket is set, is supported the level height of materials and parts by described roller bracket;
Spacing between adjacent described conjugate cam variable-section roll-bending forming unit (4) is equal to length L and the garbage area length L1 sum of institute's manufactured parts.
9. cam variable-section roll-bending forming machine according to claim 7, it is characterised in that also include: several are directed only to and are not involved in the strip driving mechanism shaped;
The front end of described uncoiler pay-off (1) is provided with described strip driving mechanism;
It is respectively provided with at least one described strip driving mechanism in the front end and/or rear end of often organizing described conjugate cam variable-section roll-bending forming unit (4);
The forming height of described strip driving mechanism is consistent with the forming height of described conjugate cam variable-section roll-bending forming unit (4);
It addition, the strip driving mechanism being arranged at the front end of described uncoiler pay-off (1) is driven by single servo motor; The strip driving mechanism being arranged between described conjugate cam variable-section roll-bending forming unit (4) is the upper and lower Dual Drive of servomotor.
10. a cam variable-section roll-bending manufacturing process, it is characterised in that comprise the following steps:
Step 1, by sheet material conveying direction, set gradually uncoiler pay-off (1), leveling apparatus (2), p uniform section forming machine (3), q conjugate cam variable-section roll-bending forming unit (4), shearing device, drawing mechanism and palletizing apparatus; Wherein, p and q is natural number;
Wherein, the spacing between adjacent described conjugate cam variable-section roll-bending forming unit (4) is equal to length L and the garbage area length L1 sum of institute's manufactured parts;
In each described conjugate cam variable-section roll-bending forming unit (4), between fovea superior wheel (4-1) and lower cam (4-2), gap is the material thickness t of sheet material;
By sheet material conveying direction, the shape angles of q conjugate cam variable-section roll-bending forming unit (4) is incremented by; If the shape angles of q conjugate cam variable-section roll-bending forming unit (4) is respectively as follows: α 1, α 2 ... α p;
The shaping width of q conjugate cam variable-section roll-bending forming unit (4) is the Forming depth of n1, q conjugate cam variable-section roll-bending forming unit (4) and is n2;
S2, when need sheet material forming to be width be n1, the degree of depth be the component of hat section of n2 time, start each uniform section forming machine (3) and each conjugate cam variable-section roll-bending forming unit (4), make all uniform section forming machines (3) with all conjugate cams variable-section roll-bending forming unit (4) with identical rotational speed;
Then, first by uncoiler pay-off (1), the sheet material of rolling is carried out uncoiling; Then, leveling apparatus (2) sheet material after uncoiling is carried out leveling; Then, the sheet material after leveling passes sequentially through the uniform section forming machine (3) of multi-pass and carries out uniform section molding, obtains U-shaped component;Wherein, U-shaped component includes being positioned at the plane of structure of bottom and being positioned at left surface and the right flank of the described plane of structure left and right sides; The width of U-shaped component is the width of described plane of structure, for n1;
S3, then, U-shaped component enters fovea superior wheel (4-1) and lower cam (4-2) gap of the 1st passage conjugate cam variable-section roll-bending forming unit (4); Now, on the one hand, owing to the plane of structure width n1 of U-shaped component is equal to the radial width of upper road wheel (4-1-1) and lower road wheel (4-2-1), therefore, the plane of structure of U-shaped component is held between road wheel (4-1-1) and lower road wheel (4-2-1), and advances under the driving of upper road wheel (4-1-1) and lower road wheel (4-2-1); On the other hand, take turns under the effect of (4-1-2) and the 2nd left redundant wheel (4-2-2) in the 1st left redundant, by outside for the left surface of U-shaped component bending, wherein, bending angle is equal to the shape angles α 1 of this passage, and bending position is: distance plane of structure height is the position of n2; On the other hand, take turns under the effect of (4-1-3) and the 2nd right redundant wheel (4-2-3) in the 1st right redundant, by outside for the right flank of U-shaped component bending, wherein, bending angle is equal to the shape angles α 1 of this passage, and bending position is: distance plane of structure height is the position of n2; Thus obtain the shape for hat component that shape angles is α 1;
S4, the shape for hat component that shape angles is α 1 travels forward, and enter into fovea superior wheel (4-1) and lower cam (4-2) gap of the 2nd passage conjugate cam variable-section roll-bending forming unit (4), by the molding effect of the 2nd passage conjugate cam variable-section roll-bending forming unit (4), obtain the shape for hat component that shape angles is α 2;
The rest may be inferred, eventually passes through the molding effect of P passage conjugate cam variable-section roll-bending forming unit (4), obtains the shape for hat component that shape angles is α P;
S5, shape angles is the effect that the shape for hat component of α P passes sequentially through shearing device, drawing mechanism and palletizing apparatus again, obtains the shape for hat component that independent shape angles is α P.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125214A (en) * | 2019-04-08 | 2019-08-16 | 北方工业大学 | Manufacturing method of W-shaped sealing ring of aero-engine |
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| JPS59179228A (en) * | 1983-03-31 | 1984-10-11 | Shiraki Kinzoku Kogyo Kk | Roll forming device |
| CN102728707A (en) * | 2012-07-10 | 2012-10-17 | 北方工业大学 | Roll bending forming method and device for variable cross-section hat-shaped section |
| CN102744307A (en) * | 2012-07-10 | 2012-10-24 | 北方工业大学 | Variable cross-section roll bending forming method and device |
| WO2015056351A1 (en) * | 2013-10-18 | 2015-04-23 | 新日鐵住金株式会社 | Production method for shaped steel changing cross-sectional shape in longitudinal direction, and roll molding device |
| CN204710897U (en) * | 2015-06-24 | 2015-10-21 | 北方工业大学 | Cam variable-section roll-bending forming machine |
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|---|---|---|---|---|
| JPS59179228A (en) * | 1983-03-31 | 1984-10-11 | Shiraki Kinzoku Kogyo Kk | Roll forming device |
| CN102728707A (en) * | 2012-07-10 | 2012-10-17 | 北方工业大学 | Roll bending forming method and device for variable cross-section hat-shaped section |
| CN102744307A (en) * | 2012-07-10 | 2012-10-24 | 北方工业大学 | Variable cross-section roll bending forming method and device |
| WO2015056351A1 (en) * | 2013-10-18 | 2015-04-23 | 新日鐵住金株式会社 | Production method for shaped steel changing cross-sectional shape in longitudinal direction, and roll molding device |
| CN204710897U (en) * | 2015-06-24 | 2015-10-21 | 北方工业大学 | Cam variable-section roll-bending forming machine |
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| CN110125214A (en) * | 2019-04-08 | 2019-08-16 | 北方工业大学 | Manufacturing method of W-shaped sealing ring of aero-engine |
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