CN105642705A - Variable-cross-section springback control self-adapting device and method - Google Patents
Variable-cross-section springback control self-adapting device and method Download PDFInfo
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- CN105642705A CN105642705A CN201510702723.0A CN201510702723A CN105642705A CN 105642705 A CN105642705 A CN 105642705A CN 201510702723 A CN201510702723 A CN 201510702723A CN 105642705 A CN105642705 A CN 105642705A
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Abstract
The invention provides a variable-cross-section springback control self-adapting device and method. The variable-cross-section springback control self-adapting device comprises a forming roll system (1), an X-direction movement adjusting system (2), a Z-direction movement adjusting system (3), an X-direction self-adapting adjusting system (4) and a rotation adjusting system (5) in an X-Z plane. The variable-cross-section springback control self-adapting device and method have the advantages as follows: springback of plates can be self-adapted during forming of the plates, the springback force of the plates can be automatically released during forming, and the forming precision is improved.
Description
Technical field
The invention belongs to variable-section roll-bending former technical field, it is specifically related to a kind of variable cross-section springback control self-adaptation device and method.
Background technology
Roll forming is a kind of efficient, material-saving, energy-conservation metal forming technology, and by being arranged in order, sheet material or coiled material are configured as required section bar by multi-pass. The advantage of roll forming comprises: material, energy consumption are little, and the curved section product of roller has good surface quality and higher dimensional precision, and intensity and toughness is all bigger. The curved material of roller is very extensive in multiple sector applications such as building, machinery, traffic, household electrical appliances. The curved material of common roller is all uniform cross section section bar, but due to the light-weighted demand of automobile, has promoted the research and development to variable-section roll-bending forming technique and equipment.
General variable-section roll-bending is shaped and adopts paired roll rolled sheet to be shaped, but, there is following deficiency: the shaping being not easy to realize the irregular section of cross section complexity, requirement for Controlling System is very high, the physical construction of roll forming machine is very complicated, easily there is a lot of defect in the section bar being shaped, not easily solves.
For solving the problem, prior art occurs cover half action roller roll-bending shaping method. Application cover half action roller roll-bending shaping method, when being shaped the irregular section in U-shaped cross section, during vertical shaping right angle, limit, often adopted curved and finally obtained desired right angle by resilience. But, when being shaped the irregular section in U-shaped cross section, there is following deficiency: the calculating crossing curved amount is very difficult, the curved amount of different mistakes needs again the roll on different inclined-plane and pressing mold to be shaped, and does not possess adaptivity.
Visible, how to solve the problem, significant. Still do not have at present a kind of to realize the resilience adaptive mechanism without the need to crossing curved automatic release springback capacity.
Summary of the invention
For the defect that prior art exists, the present invention provides a kind of variable cross-section springback control self-adaptation device and method, it is possible to realize without the need to crossing curved automatic release springback capacity, it is achieved the Automatic adjusument of springback control.
The technical solution used in the present invention is as follows:
The present invention provides a kind of variable cross-section springback control self-adaptation device, comprising: forming rolls system (1), X are to motor adjustment system (2), Z-direction motor adjustment system (3), X to the rotation regulation system (5) in self-adaption regulation system (4) and XZ plane;
Wherein, described X comprising to self-adaption regulation system (4): X is to motion base plate (40), spring support (41), X-direction spring (42), central spindle of the spring (43), X to self-adaptation frame (44) and X to self-adaptation guideway;X comprises X to self-adaptation guide rail (45) and X to self-adaptation slide block to self-adaptation guideway;
Described X fixedly mounts described spring support (41) to the left end upper surface of motion base plate (40), and described X is to the middle part of motion base plate (40) and right-hand member upper surface along X to arranging X to self-adaptation guide rail (45);
Described X comprises upper slider bottom plate (44-1), outer cant board (44-2), left side vertical plate (44-3) and right cant board to self-adaptation frame (44); Wherein, described outer cant board (44-2) is fixedly installed on the outside of described upper slider bottom plate (44-1) along Y-direction; Described left side vertical plate (44-3) and described right cant board are fixedly installed on the left and right sides of described upper slider bottom plate (44-1) in X direction; Described X is installed to self-adaptation slide block in the bottom surface of described upper slider bottom plate (44-1), and then described X is slidably connected to the upper surface of motion base plate (40) to self-adaptation frame (44) in X direction with described X; Described X-direction spring (42) is arranged between described spring support (41) and described outer cant board (44-2) by central spindle of the spring (43), X is installed to preliminary tension setting nut (46) in the outer end of described central spindle of the spring (43), and then when making described X mobile to self-adaptation guide rail (45) to self-adaptation frame (44) along X, described X-direction spring (42) need to be compressed;
Described forming rolls system (1) comprises roll (10), for the Z-direction motor adjustment system that drives described roll (10) to move along Z-direction and roll erecting frame (15);
Rotation regulation system (5) in described XZ plane comprises swing mandrel (50) and inclination angle adaptive structure (51);
Then: between self-adaptation frame (44), along Y-direction, described swing mandrel (50) is installed at base plate and the described X of described roll erecting frame, make described forming rolls Operation system setting at described X in self-adaptation frame (44), and can around described swing mandrel (50) at XZ rotation with in surface;
Between self-adaptation frame (44), described inclination angle adaptive structure (51) is also installed described roll erecting frame (15) and described X, by described inclination angle adaptive structure (51), making described forming rolls system when described swing mandrel (50) swings, the inclination angle of described forming rolls system carries out self-adaptation;
In addition, to motor adjustment system, for driving, described X carries out X-direction motion to motion base plate (40) to X, and then drives described forming rolls system to carry out X-direction motion.
Preferably, described X comprises X-direction motion driving mechanism, X-direction ball-screw pair (21) and screw rod box (22) to motor adjustment system (2);
Wherein, described X-direction ball-screw pair (21) is positioned at the inner chamber of described screw rod box (22), the X-direction pair of nut that described X-direction ball-screw pair (21) comprises X-direction ball-screw and rolled with described X-direction ball-screw be connected by ball; One end of described X-direction ball-screw is connected with described X-direction motion driving mechanism and drives by described X-direction motion driving mechanism; Described X-direction pair of nut is fixed on described X on motion base plate (40);
In addition, the upper surface of described screw rod box (22) has offered X direction guiding rail (23), and described X forms X direction guiding rail pair to the slide block of motion base plate (40) lower surface to this X direction guiding rail (23) with being arranged at; Therefore, under described X-direction motion driving mechanism drives, drive described X to carry out X-direction motion to motion base plate (40) along described X direction guiding rail (23).
Preferably, described X-direction motion driving mechanism comprises X to servomotor (24) and X to speed reduction unit (25);Described X is connected to servomotor (24) to one end of speed reduction unit (25) with described X, and described X is connected to the other end of speed reduction unit (25) with described X-direction ball-screw pair (21).
Preferably, described forming rolls system (1) also comprises: master wheel (11), pinion(gear) (12), turning axle I (13) and turning axle II (14);
Described roll (10) is coaxially connected with described master wheel (11) by described turning axle I (13); Described pinion(gear) (12) engages with described master wheel (11), and, described turning axle II (14) coaxially installed by described pinion(gear) (12), and described turning axle II (14) is installed on described roll erecting frame (15); And, described turning axle II (14) drives with described Z-direction motor adjustment system (3), by described Z-direction motor adjustment system (3), described pinion(gear) (12) is driven to rotate, and then driving described master wheel (11) to rotate, the described roll of final drive (10) rotates.
Preferably, described roll erecting frame comprises: block strengthened by left inside cant board, right inside cant board, rotary electric machine mounting plate, roll base plate and vertical plate; Described left inside cant board and described right inside cant board are distributed in the left and right sides of roll base plate along Y-direction and are fixedly connected with roll base plate; Described vertical plate is strengthened block and is fixedly connected with described left inside cant board, described right inside cant board and described roll base plate respectively; Described rotary electric machine mounting plate is fixedly connected with described right inside cant board with described left inside cant board respectively; Described left inside cant board and described right inside cant board are connected with described inclination angle adaptive structure (51);
Described rotary electric machine mounting plate is connected with one end of described turning axle I (13), and described roll base plate is connected with the other end of described turning axle I (13); Described turning axle II (14) is connected with described rotary electric machine mounting plate, described rotary electric machine mounting plate is connected with described Z-direction motor adjustment system (3), and one end that described turning axle II (14) is connected with rotary electric machine mounting plate is connected with described Z-direction motor adjustment system (3) and drives by Z-direction motor adjustment system (3).
Preferably, described Z-direction motor adjustment system (3) comprising: Z-direction servomotor (31) and Z-direction speed reduction unit (32); One end of described Z-direction speed reduction unit (32) is connected with described Z-direction servomotor (31), and the other end of described Z-direction speed reduction unit (32) drives with described turning axle II (14) and is connected.
Preferably, described inclination angle adaptive structure (51) comprising: swing spring (51-1), swing spring action cylinder (51-2), swing spring Z-direction setting nut (51-3), swing spring press table (51-4), swing spring piston (51-7), swing arc plate (51-5), swing depression bar (51-6) and dovetail-indent block;
Wherein, the base plate of described swing spring action cylinder (51-2) is fixedly installed on the base plate of described X to self-adaptation frame (44); In the bottom of described swing spring action cylinder (51-2) internal cavity, described swing spring Z-direction setting nut (51-3) is installed, at the top of described swing spring action cylinder (51-2) internal cavity, described swing spring piston is installed, described swing spring (51-1) is set between described swing spring Z-direction setting nut (51-3) and described swing spring piston; By regulating described swing spring Z-direction setting nut (51-3), regulate the preliminary tension of described swing spring (51-1);
On described swing spring piston, symmetrical a swing spring press table (51-4) is set respectively; It is secondary that each swing spring press table (51-4) all coordinates installation one swing frame to rotate combination;
Wherein, combination pair is rotated for the arbitrary frame that swings, includes: swing arc plate (51-5), swing depression bar (51-6) and dovetail-indent block;
Described swing arc plate (51-5) has offered dovetail-indent; Described swing depression bar (51-6) comprises cylindrical bar and the swallow-tail form slide block integrally formed with described cylindrical bar; This cylindrical bar is connected with the interior cant board of forming rolls parts, and this swallow-tail form slide block is placed in described dovetail-indent; Described dovetail-indent block is symmetricly set on the left and right sides of described swing arc plate (51-5) in X direction, for limiting the excess in displacement of described swallow-tail form slide block.
The present invention also provides a kind of variable cross-section springback control self-adaptation method applying variable cross-section springback control self-adaptation device, described variable cross-section springback control self-adaptation device is used for last passage that in variable-section roll-bending manufacturing process, cover half action roller pattern variable-section roll-bending is shaped, for the product of U-section, described variable cross-section springback control self-adaptation device bends for the last right angle of the U-section that is shaped, and variable cross-section springback control self-adaptation method comprises the following steps:
Step 1, drives X-direction motion driving mechanism, and then the roll in forming rolls system (1) is moved to cover half and sheet material direction, makes roll contact cover half and sheet material;
Step 2, drives Z-direction motor adjustment system (3), drives roll rotation by gears meshing, under cover half coordinates, and roll rolled sheet;
Wherein, when roll coordinates with cover half, X provides the Compliant pressure power of X-direction to the X-direction spring (42) in self-adaption regulation system (4) to roll;
When the right angle of shaping U-section, if the contact surface of cover half and roll all with initial sheet material plane orthogonal, then be shaped after sheet material there will be resilience, by rotate regulation system (5), release forming process in sheet material elasticity distortion.
Preferably, X-direction spring (42) provides the Compliant pressure power of X-direction to roll, is specially:
When roll coordinates with cover half, when roll is subject to the reverse thrust from cover half, the forming rolls system being equipped with roll is subject to the reverse thrust from cover half, then, forming rolls system carries out X negative direction motion along X to self-adaptation guide rail (45), and then extruding X-direction spring (42), and when X-direction spring (42) is squeezed, apply reverse thrust to roll again, and then the Compliant pressure power of X-direction is provided to roll.
Preferably, rotate the elasticity distortion of sheet material in regulation system (5) release forming process, it be specially:
There is screen resilience and act on roll in sheet material, due to sheet material screen resilience, around swinging, mandrel (50) swings forming rolls system (1) to the direction that sheet material is contrary, in swing process, the entirety that band dynamical heeling angle adaptive structure (51) and forming rolls system (1) form is tilted in XZ plane, in tilting procedure, described swing depression bar (51-6) has needed the resultant movement moved along Z axle negative direction and move along X-axis negative direction, and namely described swing depression bar (51-6) carries out determining axle rotation around described swing mandrel (50), the interior cant board of described forming rolls system (1) swings around described swing mandrel (50), this interior edge-on strip is moved described swing depression bar (51-6) and is swung, the swallow-tail form slide block of described swing depression bar (51-6) carries out X-axis negative direction motion along the dovetail-indent of described swing arc plate (51-5), simultaneously, described swing depression bar (51-6) is along drop-down described swing arc plate (51-5) of Z axle negative direction, described swing arc plate (51-5) drives described swing spring press table (51-4), described swing spring press table (51-4) presses down described swing spring piston, and then described swing spring (51-1) is moved under Z-axis direction, swing spring (51-1) and X-direction spring provide the flexible support power of Z-direction and X-direction respectively, described forming rolls system (1) is around the swing of described swing mandrel (50), realize the self-adaptation of springback control.
Variable cross-section springback control self-adaptation device and method provided by the invention has the following advantages:
The resilience of plate can be realized self-adaptation when shaping plate, forming process discharges the screen resilience of plate automatically, it is to increase the precision of shaping.
Accompanying drawing explanation
Fig. 1 is the perspective view of variable cross-section springback control self-adaptation device provided by the invention;
Fig. 2 is the theory structure sketch of variable cross-section springback control self-adaptation device provided by the invention;
Fig. 3 is the side structure schematic diagram of variable cross-section springback control self-adaptation device provided by the invention;
Fig. 4 is the cross-sectional view of inclination angle adaptive structure;
Fig. 5 is the independent element structure figure swinging arc plate;
Fig. 6 is the independent element structure figure swinging depression bar;
Fig. 7 is the shaping annular knurl figure of plate through device;
Fig. 8 is the angle schematic diagram to U-section forming process;
Fig. 9 is the schematic layout pattern of whole self-adaptation resilience device in actual production;
Wherein:
1-forming rolls system; 10-roll; 11-master wheel; 12-pinion(gear); 13-turning axle I; 14-turning axle II; 15-roll erecting frame;
2-X is to motor adjustment system; 21-X direction ball-screw is secondary; 22-screw rod box; 23-X direction guiding rail; 24-X is to servomotor; 25-X is to speed reduction unit;
3-Z is to motor adjustment system; 31-Z is to servomotor; 32-Z is to speed reduction unit;
4-X is to self-adaption regulation system; 40-X is to motion base plate; 41-spring support; 42-X direction spring; 43-central spindle of the spring; 44-X is to self-adaptation frame; The upper slider bottom plate of 44-1-; The outer cant board of 44-2-; 44-3-left side vertical plate; 45-X is to self-adaptation guide rail; 46-X is to preliminary tension setting nut;
Rotation regulation system in 5-XZ plane; 50-swings mandrel; 51-inclination angle adaptive structure; 51-1-swing spring; 51-2-swing spring action cylinder; 51-3-swing spring Z-direction setting nut; 51-4-swing spring press table; 51-5-swings arc plate; 51-6-swings depression bar; 51-7 swing spring piston;
33-thrust ball bearing; 34-needle bearing; 35-tightening screw;
36-profiled member; 37-mould; 38-Y direction guiding rail; 39-Y is to transmission spur rack; 70-Y is to transmitting gear; 71-Y is to driving motor; 72-Y is to speed reduction unit; 73-forming mould.
Embodiment
In order to make technical problem solved by the invention, technical scheme and useful effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated. It is to be understood that specific embodiment described herein is only in order to explain the present invention, it is not intended to limit the present invention.
The invention belongs to variable-section roll-bending former field, the resilience of plate can be realized self-adaptation when shaping plate, forming process discharges the screen resilience of plate automatically, it is to increase the precision of shaping.
Concrete, variable cross-section springback control self-adaptation device provided by the invention, when roll is in working position, due to the inclination angle self-adaptation device of die surface, compression spring, and rotate adjusting angle with sitting turning axle, it is achieved that the self-adaptation function of roll plane and surface of shaped parts linear contact lay. Variable cross-section springback control self-adaptation device comprises: forming rolls system 1, X are to motor adjustment system 2, Z-direction motor adjustment system 3, X to the rotation regulation system 5 in self-adaption regulation system 4 and XZ plane. As shown in Figure 1, it is the perspective view of variable cross-section springback control self-adaptation device provided by the invention;As shown in Figure 2, it is the theory structure sketch of variable cross-section springback control self-adaptation device provided by the invention; As shown in Figure 3, it is the side structure schematic diagram of variable cross-section springback control self-adaptation device provided by the invention. With reference to figure 1, Fig. 2 and Fig. 3, below to these five systems detail respectively:
(1) X is to motor adjustment system:
X to motor adjustment system 2 for realizing the movement in X direction of forming rolls system.
X comprises X-direction motion driving mechanism, X-direction ball-screw secondary 21 and screw rod box 22 to motor adjustment system 2;
Wherein, X-direction ball-screw pair 21 is positioned at the inner chamber of screw rod box 22, the X-direction pair of nut that X-direction ball-screw pair 21 comprises X-direction ball-screw and rolled with X-direction ball-screw be connected by ball; One end of X-direction ball-screw is connected with X-direction motion driving mechanism and drives by X-direction motion driving mechanism; X-direction pair of nut is fixed on X on motion base plate 40;
In addition, the upper surface of screw rod box 22 has offered X direction guiding rail 23, and X forms X direction guiding rail pair to the slide block of motion base plate 40 lower surface to this X direction guiding rail 23 with being arranged at; Therefore, under X-direction motion driving mechanism drives, drive X to carry out X-direction to motion base plate 40 along X direction guiding rail 23 and move.
In practical application, X-direction motion driving mechanism comprises X to servomotor 24 and X to speed reduction unit 25; X is connected to servomotor 24 to one end of speed reduction unit 25 with X, and X is connected to the other end of speed reduction unit 25 with X-direction ball-screw secondary 21.
(2) X is to self-adaption regulation system:
X to self-adaption regulation system for realizing when roll works in the self-adaptation of X-direction. Concrete, X comprises to self-adaption regulation system: X is to motion base plate 40, spring support 41, X-direction spring 42, central spindle of the spring 43, X to self-adaptation frame 44 and X to self-adaptation guideway; X comprises X to self-adaptation guide rail 45 and X to self-adaptation slide block to self-adaptation guideway;
Left end upper surface from X to motion base plate 40 fixed installation the middle part of spring support 41, X to motion base plate 40 and right-hand member upper surface along X to arranging X to self-adaptation guide rail 45;
X comprises upper slider bottom plate 44-1, outer cant board 44-2, left side vertical plate 44-3 and right cant board to self-adaptation frame 44; Wherein, outer cant board 44-2 is fixedly installed on the outside of upper slider bottom plate 44-1 along Y-direction; Left side vertical plate 44-3 and right cant board are fixedly installed on the left and right sides of slider bottom plate 44-1 in X direction; X is installed to self-adaptation slide block in the bottom surface of upper slider bottom plate 44-1, and then X is slidably connected to the upper surface of motion base plate 40 to self-adaptation frame 44 in X direction with X; X-direction spring 42 is arranged between spring support 41 and outer cant board 44-2 by central spindle of the spring 43, X is installed to preliminary tension setting nut 46 in the outer end of central spindle of the spring 43, and then when X is moved to self-adaptation frame 44 along X to self-adaptation guide rail 45, X-direction spring 42 need to be compressed.
(3) forming rolls system and Z-direction motor adjustment system
Forming rolls system 1 comprises roll 10, for the Z-direction motor adjustment system that drives roll 10 to move along Z-direction and roll erecting frame.
Forming rolls system 1 also comprises: master wheel 11, pinion(gear) 12, turning axle I 13 and turning axle II 14;
Roll 10 is coaxially connected with master wheel 11 by turning axle I 13; Pinion(gear) 12 engages with master wheel 11, and, turning axle II 14 coaxially installed by pinion(gear) 12, and turning axle II 14 is installed on roll erecting frame 15;Further, turning axle II 14 and Z-direction motor adjustment system 3 drive, and by Z-direction motor adjustment system 3, drive pinion 12 rotates, and then drive master wheel 11 to rotate, and final drive roll 10 rotates.
Roll erecting frame comprises: block strengthened by left inside cant board, right inside cant board, rotary electric machine mounting plate, roll base plate and vertical plate; Left inside cant board and right inside cant board are distributed in the left and right sides of roll base plate along Y-direction and are fixedly connected with roll base plate; Vertical plate is strengthened block and is fixedly connected with left inside cant board, right inside cant board and roll base plate respectively; Rotary electric machine mounting plate is fixedly connected with right inside cant board with left inside cant board respectively; Left inside cant board and right inside cant board are connected with inclination angle adaptive structure 51;
Rotary electric machine mounting plate is connected with one end of turning axle I 13, and roll base plate is connected with the other end of turning axle I 13; Turning axle II 14 is connected with rotary electric machine mounting plate, and rotary electric machine mounting plate is connected with Z-direction motor adjustment system 3, and one end that turning axle II 14 is connected with rotary electric machine mounting plate is connected with Z-direction motor adjustment system 3 and drives by Z-direction motor adjustment system 3.
Z-direction motor adjustment system 3 comprises: Z-direction servomotor 31 and Z-direction speed reduction unit 32; One end of Z-direction speed reduction unit 32 is connected with Z-direction servomotor 31, and the other end of Z-direction speed reduction unit 32 drives with turning axle II 14 and is connected.
(4) the rotation regulation system in XZ plane:
Rotation regulation system 5 in XZ plane comprises swing mandrel 50 and inclination angle adaptive structure 51; With reference to figure 4, it it is the cross-sectional view of inclination angle adaptive structure.
With reference to figure 4, inclination angle adaptive structure 51 comprises: swing spring 51-1, swing spring action cylinder 51-2, swing spring Z-direction setting nut 51-3, swing spring press table 51-4, swing spring piston 51-7, swing arc plate 51-5, swing depression bar 51-6 and dovetail-indent block;
Wherein, the base plate of swing spring action cylinder 51-2 is fixedly installed on the base plate of X to self-adaptation frame 44; Swing spring Z-direction setting nut 51-3 is installed in the bottom of swing spring action cylinder 51-2 internal cavity, swing spring piston is installed at the top of swing spring action cylinder 51-2 internal cavity, swing spring 51-1 is set between swing spring Z-direction setting nut 51-3 and swing spring piston; By regulating swing spring Z-direction setting nut 51-3, regulate the preliminary tension of swing spring 51-1;
On swing spring piston, symmetrical a swing spring press table 51-4 is set respectively; It is secondary that each swing spring press table 51-4 all coordinates installation one swing frame to rotate combination;
Wherein, combination pair is rotated for the arbitrary frame that swings, includes: swing arc plate 51-5, swing depression bar 51-6 and dovetail-indent block;
Swing arc plate 51-5 and offered dovetail-indent, with reference to figure 5, for swinging the independent element structure figure of arc plate; Swing depression bar 51-6 and comprise cylindrical bar and the swallow-tail form slide block integrally formed with cylindrical bar, with reference to figure 6, for swinging the independent element structure figure of depression bar; This cylindrical bar is connected with the interior cant board of forming rolls parts, and this swallow-tail form slide block is placed in dovetail-indent; Dovetail-indent block is symmetricly set on the left and right sides swinging arc plate 51-5 in X direction, for limiting the excess in displacement of swallow-tail form slide block.
Then: install along Y-direction between self-adaptation frame 44 at the base plate of roll erecting frame and X and swing mandrel 50, make forming rolls Operation system setting at X in self-adaptation frame 44, and can around swing mandrel 50 at XZ rotation with in surface;
Going back mounted angle adaptive structure 51 at roll erecting frame and X between self-adaptation frame 44, by inclination angle adaptive structure 51, make forming rolls system when swing mandrel 50 swings, the inclination angle of forming rolls system carries out self-adaptation;
In addition, to motor adjustment system, for driving, X carries out X-direction motion to motion base plate 40 to X, and then drives forming rolls system to carry out X-direction motion.
The present invention also provides a kind of variable cross-section springback control self-adaptation method applying variable cross-section springback control self-adaptation device, variable cross-section springback control self-adaptation device is used for last passage that in variable-section roll-bending manufacturing process, cover half action roller pattern variable-section roll-bending is shaped, for the product of U-section, variable cross-section springback control self-adaptation device bends for the last right angle of the U-section that is shaped, variable cross-section springback control self-adaptation method, can with reference to figure 7, for plate is through the shaping annular knurl figure of device; With reference to figure 8, it it is the angle schematic diagram to U-section forming process; With reference to figure 9, it it is the schematic layout pattern of self-adaptation resilience device whole in actual production; Comprise the following steps:
Step 1, drives X-direction motion driving mechanism, and then the roll in forming rolls system 1 is moved to cover half and sheet material direction, makes roll contact cover half and sheet material;
Step 2, drives Z-direction motor adjustment system 3, drives roll rotation by gears meshing, under cover half coordinates, and roll rolled sheet;
Wherein, when roll coordinates with cover half, X provides the Compliant pressure power of X-direction to the X-direction spring 42 in self-adaption regulation system 4 to roll, and rigid collision occurs when avoiding roll to coordinate with cover half;
X-direction spring 42 provides the Compliant pressure power of X-direction to roll, is specially:
When roll coordinates with cover half, when roll is subject to the reverse thrust from cover half, the forming rolls system being equipped with roll is subject to the reverse thrust from cover half, then, forming rolls system carries out X negative direction along X to self-adaptation guide rail 45 and moves, and then extruding X-direction spring 42, and when X-direction spring 42 is squeezed, apply reverse thrust to roll again, and then the Compliant pressure power of X-direction is provided to roll.
When the right angle of shaping U-section, if the contact surface of cover half and roll all with initial sheet material plane orthogonal, then be shaped after sheet material there will be resilience, by rotate regulation system 5, release forming process in sheet material elasticity distortion. Implementation is:
There is screen resilience and act on roll in sheet material, due to sheet material screen resilience, around swinging, mandrel 50 swings forming rolls system 1 to the direction that sheet material is contrary, in swing process, the entirety formed with dynamical heeling angle adaptive structure 51 and forming rolls system 1 is tilted in XZ plane, in tilting procedure, swing the resultant movement that depression bar 51-6 has needed to move along Z axle negative direction and move along X-axis negative direction, namely swing depression bar 51-6 and carry out determining axle rotation around swing mandrel 50, the interior cant board of forming rolls system 1 swings around swing mandrel 50, this interior edge-on strip movable pendulum dynamic pressure bar 51-6 swings, the swallow-tail form slide block of swing depression bar 51-6 carries out X-axis negative direction along the dovetail-indent swinging arc plate 51-5 and moves, simultaneously, swing depression bar 51-6 along Z axle negative direction drop-down swing arc plate 51-5, swing arc plate 51-5 and drive swing spring press table 51-4, swing spring press table 51-4 presses down swing spring piston, and then swing spring 51-1 is moved under Z-axis direction, swing spring 51-1 and X-direction spring provide the flexible support power of Z-direction and X-direction respectively, forming rolls system 1 is around the swing swinging mandrel 50, realize the self-adaptation of springback control.
In sum, variable cross-section springback control self-adaptation device and method provided by the invention, has the following advantages:
(1) movement in X direction of forming rolls system is achieved by X to motor adjustment system, it is possible to reply section bar cross section is along the change of width;
(2) by Z-direction motor adjustment system and size gears meshing, it is achieved that to the driving of forming rolls, the power of rolling formation is increased;
(3) forming rolls parts can swing relative to horizontal adjustment parts around the swing mandrel along Y-axis direction, springback capacity change is owing to forming rolls parts can swing around Y-axis, then roll can also swing around the swing mandrel along Y-axis direction, there is provided flexible anchorage force by X-direction spring and swing spring simultaneously, automatically the change of springback capacity is adapted to, it is achieved the Automatic adjusument of springback control.
The above is only the preferred embodiment of the present invention; it is noted 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 variable cross-section springback control self-adaptation device, it is characterized in that, comprising: forming rolls system (1), X are to motor adjustment system (2), Z-direction motor adjustment system (3), X to the rotation regulation system (5) in self-adaption regulation system (4) and XZ plane;
Wherein, described X comprising to self-adaption regulation system (4): X is to motion base plate (40), spring support (41), X-direction spring (42), central spindle of the spring (43), X to self-adaptation frame (44) and X to self-adaptation guideway; X comprises X to self-adaptation guide rail (45) and X to self-adaptation slide block to self-adaptation guideway;
Described X fixedly mounts described spring support (41) to the left end upper surface of motion base plate (40), and described X is to the middle part of motion base plate (40) and right-hand member upper surface along X to arranging X to self-adaptation guide rail (45);
Described X comprises upper slider bottom plate (44-1), outer cant board (44-2), left side vertical plate (44-3) and right cant board to self-adaptation frame (44); Wherein, described outer cant board (44-2) is fixedly installed on the outside of described upper slider bottom plate (44-1) along Y-direction; Described left side vertical plate (44-3) and described right cant board are fixedly installed on the left and right sides of described upper slider bottom plate (44-1) in X direction; Described X is installed to self-adaptation slide block in the bottom surface of described upper slider bottom plate (44-1), and then described X is slidably connected to the upper surface of motion base plate (40) to self-adaptation frame (44) in X direction with described X; Described X-direction spring (42) is arranged between described spring support (41) and described outer cant board (44-2) by central spindle of the spring (43), X is installed to preliminary tension setting nut (46) in the outer end of described central spindle of the spring (43), and then when making described X mobile to self-adaptation guide rail (45) to self-adaptation frame (44) along X, described X-direction spring (42) need to be compressed;
Described forming rolls system (1) comprises roll (10), for the Z-direction motor adjustment system that drives described roll (10) to move along Z-direction and roll erecting frame (15);
Rotation regulation system (5) in described XZ plane comprises swing mandrel (50) and inclination angle adaptive structure (51);
Then: between self-adaptation frame (44), along Y-direction, described swing mandrel (50) is installed at base plate and the described X of described roll erecting frame, make described forming rolls Operation system setting at described X in self-adaptation frame (44), and can around described swing mandrel (50) at XZ rotation with in surface;
Between self-adaptation frame (44), described inclination angle adaptive structure (51) is also installed described roll erecting frame (15) and described X, by described inclination angle adaptive structure (51), making described forming rolls system when described swing mandrel (50) swings, the inclination angle of described forming rolls system carries out self-adaptation;
In addition, to motor adjustment system, for driving, described X carries out X-direction motion to motion base plate (40) to X, and then drives described forming rolls system to carry out X-direction motion.
2. variable cross-section springback control self-adaptation device according to claim 1, it is characterized in that, described X comprises X-direction motion driving mechanism, X-direction ball-screw pair (21) and screw rod box (22) to motor adjustment system (2);
Wherein, described X-direction ball-screw pair (21) is positioned at the inner chamber of described screw rod box (22), the X-direction pair of nut that described X-direction ball-screw pair (21) comprises X-direction ball-screw and rolled with described X-direction ball-screw be connected by ball; One end of described X-direction ball-screw is connected with described X-direction motion driving mechanism and drives by described X-direction motion driving mechanism; Described X-direction pair of nut is fixed on described X on motion base plate (40);
In addition, the upper surface of described screw rod box (22) has offered X direction guiding rail (23), and described X forms X direction guiding rail pair to the slide block of motion base plate (40) lower surface to this X direction guiding rail (23) with being arranged at; Therefore, under described X-direction motion driving mechanism drives, drive described X to carry out X-direction motion to motion base plate (40) along described X direction guiding rail (23).
3. variable cross-section springback control self-adaptation device according to claim 2, it is characterised in that, described X-direction motion driving mechanism comprises X to servomotor (24) and X to speed reduction unit (25); Described X is connected to servomotor (24) to one end of speed reduction unit (25) with described X, and described X is connected to the other end of speed reduction unit (25) with described X-direction ball-screw pair (21).
4. variable cross-section springback control self-adaptation device according to claim 1, it is characterized in that, described forming rolls system (1) also comprises: master wheel (11), pinion(gear) (12), turning axle I (13) and turning axle II (14);
Described roll (10) is coaxially connected with described master wheel (11) by described turning axle I (13); Described pinion(gear) (12) engages with described master wheel (11), and, described turning axle II (14) coaxially installed by described pinion(gear) (12), and described turning axle II (14) is installed on described roll erecting frame (15); And, described turning axle II (14) drives with described Z-direction motor adjustment system (3), by described Z-direction motor adjustment system (3), described pinion(gear) (12) is driven to rotate, and then driving described master wheel (11) to rotate, the described roll of final drive (10) rotates.
5. variable cross-section springback control self-adaptation device according to claim 4, it is characterised in that, described roll erecting frame comprises: block strengthened by left inside cant board, right inside cant board, rotary electric machine mounting plate, roll base plate and vertical plate; Described left inside cant board and described right inside cant board are distributed in the left and right sides of roll base plate along Y-direction and are fixedly connected with roll base plate; Described vertical plate is strengthened block and is fixedly connected with described left inside cant board, described right inside cant board and described roll base plate respectively; Described rotary electric machine mounting plate is fixedly connected with described right inside cant board with described left inside cant board respectively; Described left inside cant board and described right inside cant board are connected with described inclination angle adaptive structure (51);
Described rotary electric machine mounting plate is connected with one end of described turning axle I (13), and described roll base plate is connected with the other end of described turning axle I (13); Described turning axle II (14) is connected with described rotary electric machine mounting plate, described rotary electric machine mounting plate is connected with described Z-direction motor adjustment system (3), and one end that described turning axle II (14) is connected with rotary electric machine mounting plate is connected with described Z-direction motor adjustment system (3) and drives by Z-direction motor adjustment system (3).
6. variable cross-section springback control self-adaptation device according to claim 5, it is characterised in that, described Z-direction motor adjustment system (3) comprising: Z-direction servomotor (31) and Z-direction speed reduction unit (32); One end of described Z-direction speed reduction unit (32) is connected with described Z-direction servomotor (31), and the other end of described Z-direction speed reduction unit (32) drives with described turning axle II (14) and is connected.
7. variable cross-section springback control self-adaptation device according to claim 1, it is characterized in that, described inclination angle adaptive structure (51) comprising: swing spring (51-1), swing spring action cylinder (51-2), swing spring Z-direction setting nut (51-3), swing spring press table (51-4), swing spring piston (51-7), swing arc plate (51-5), swing depression bar (51-6) and dovetail-indent block;
Wherein, the base plate of described swing spring action cylinder (51-2) is fixedly installed on the base plate of described X to self-adaptation frame (44); In the bottom of described swing spring action cylinder (51-2) internal cavity, described swing spring Z-direction setting nut (51-3) is installed, at the top of described swing spring action cylinder (51-2) internal cavity, described swing spring piston is installed, described swing spring (51-1) is set between described swing spring Z-direction setting nut (51-3) and described swing spring piston; By regulating described swing spring Z-direction setting nut (51-3), regulate the preliminary tension of described swing spring (51-1);
On described swing spring piston, symmetrical a swing spring press table (51-4) is set respectively; It is secondary that each swing spring press table (51-4) all coordinates installation one swing frame to rotate combination;
Wherein, combination pair is rotated for the arbitrary frame that swings, includes: swing arc plate (51-5), swing depression bar (51-6) and dovetail-indent block;
Described swing arc plate (51-5) has offered dovetail-indent; Described swing depression bar (51-6) comprises cylindrical bar and the swallow-tail form slide block integrally formed with described cylindrical bar; This cylindrical bar is connected with the interior cant board of forming rolls parts, and this swallow-tail form slide block is placed in described dovetail-indent; Described dovetail-indent block is symmetricly set on the left and right sides of described swing arc plate (51-5) in X direction, for limiting the excess in displacement of described swallow-tail form slide block.
8. the variable cross-section springback control self-adaptation method of variable cross-section springback control self-adaptation device described in an application rights requirement 1, it is characterized in that, described variable cross-section springback control self-adaptation device is used for last passage that in variable-section roll-bending manufacturing process, cover half action roller pattern variable-section roll-bending is shaped, for the product of U-section, described variable cross-section springback control self-adaptation device bends for the last right angle of the U-section that is shaped, and variable cross-section springback control self-adaptation method comprises the following steps:
Step 1, drives X-direction motion driving mechanism, and then the roll in forming rolls system (1) is moved to cover half and sheet material direction, makes roll contact cover half and sheet material;
Step 2, drives Z-direction motor adjustment system (3), drives roll rotation by gears meshing, under cover half coordinates, and roll rolled sheet;
Wherein, when roll coordinates with cover half, X provides the Compliant pressure power of X-direction to the X-direction spring (42) in self-adaption regulation system (4) to roll;
When the right angle of shaping U-section, if the contact surface of cover half and roll all with initial sheet material plane orthogonal, then be shaped after sheet material there will be resilience, by rotate regulation system (5), release forming process in sheet material elasticity distortion.
9. variable cross-section springback control self-adaptation method according to claim 8, it is characterised in that, X-direction spring (42) provides the Compliant pressure power of X-direction to roll, is specially:
When roll coordinates with cover half, when roll is subject to the reverse thrust from cover half, the forming rolls system being equipped with roll is subject to the reverse thrust from cover half, then, forming rolls system carries out X negative direction motion along X to self-adaptation guide rail (45), and then extruding X-direction spring (42), and when X-direction spring (42) is squeezed, apply reverse thrust to roll again, and then the Compliant pressure power of X-direction is provided to roll.
10. variable cross-section springback control self-adaptation method according to claim 8, it is characterised in that, rotate the elasticity distortion of sheet material in regulation system (5) release forming process, it is specially:
There is screen resilience and act on roll in sheet material, due to sheet material screen resilience, around swinging, mandrel (50) swings forming rolls system (1) to the direction that sheet material is contrary, in swing process, the entirety that band dynamical heeling angle adaptive structure (51) and forming rolls system (1) form is tilted in XZ plane, in tilting procedure, described swing depression bar (51-6) has needed the resultant movement moved along Z axle negative direction and move along X-axis negative direction, and namely described swing depression bar (51-6) carries out determining axle rotation around described swing mandrel (50), the interior cant board of described forming rolls system (1) swings around described swing mandrel (50), this interior edge-on strip is moved described swing depression bar (51-6) and is swung, the swallow-tail form slide block of described swing depression bar (51-6) carries out X-axis negative direction motion along the dovetail-indent of described swing arc plate (51-5), simultaneously, described swing depression bar (51-6) is along drop-down described swing arc plate (51-5) of Z axle negative direction, described swing arc plate (51-5) drives described swing spring press table (51-4), described swing spring press table (51-4) presses down described swing spring piston, and then described swing spring (51-1) is moved under Z-axis direction, swing spring (51-1) and X-direction spring provide the flexible support power of Z-direction and X-direction respectively, described forming rolls system (1) is around the swing of described swing mandrel (50), realize the self-adaptation of springback control.
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| CN201510702723.0A CN105642705B (en) | 2015-10-26 | 2015-10-26 | Variable cross-section springback control self-reacting device and method |
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| CN201510702723.0A CN105642705B (en) | 2015-10-26 | 2015-10-26 | Variable cross-section springback control self-reacting device and method |
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| CN105642705B CN105642705B (en) | 2017-08-04 |
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| JPS63192517A (en) * | 1987-02-06 | 1988-08-09 | Kawasaki Steel Corp | Method and device for straightening squareness of h shape |
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| CN104858268A (en) * | 2014-02-24 | 2015-08-26 | 北方工业大学 | Fixed-die action roller variable-cross-section roller bend forming machine |
| CN205217652U (en) * | 2015-10-26 | 2016-05-11 | 北方工业大学 | Variable cross section kick -backs and controls self -adaptation device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63192517A (en) * | 1987-02-06 | 1988-08-09 | Kawasaki Steel Corp | Method and device for straightening squareness of h shape |
| CN104858268A (en) * | 2014-02-24 | 2015-08-26 | 北方工业大学 | Fixed-die action roller variable-cross-section roller bend forming machine |
| CN203792156U (en) * | 2014-04-29 | 2014-08-27 | 西安艾蒙希科技有限公司 | Leveler roller online polishing and dust removing machine |
| CN203875167U (en) * | 2014-06-10 | 2014-10-15 | 北方工业大学 | Unequal-thickness plate fixed-die action-roller follow-up forming device |
| CN205217652U (en) * | 2015-10-26 | 2016-05-11 | 北方工业大学 | Variable cross section kick -backs and controls self -adaptation device |
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| CN105642705B (en) | 2017-08-04 |
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