CN103495637A - Plate double-side pressing mould-less incremental forming device - Google Patents
Plate double-side pressing mould-less incremental forming device Download PDFInfo
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- CN103495637A CN103495637A CN201310388979.XA CN201310388979A CN103495637A CN 103495637 A CN103495637 A CN 103495637A CN 201310388979 A CN201310388979 A CN 201310388979A CN 103495637 A CN103495637 A CN 103495637A
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Abstract
A plate double-side pressing mould-less incremental forming device comprises an external support, a moving mechanism and a forming mechanism. The moving mechanism is arranged on the external support. The forming mechanism is placed in the external support and is placed on a sliding table. The forming mechanism carries out mould-less incremental forming on plates through the moving mechanism which comprises a sliding table moving mechanism and a plate clamping frame moving mechanism. A first forming tool head and a second forming tool head are symmetrically arranged on two moving units of the sliding table moving mechanism, so that the two forming tool heads act on the two sides of each plate respectively, by feeding matching of the two forming tool heads, the plates carry out plastic deformation ceaselessly point by point, and accordingly various metal plate parts provided with convex curved faces and concave curved faces at the same time can be manufactured without concave-convex moulds, and compared with a traditional forming mould, the plate double-side pressing mould-less incremental forming device has higher machining flexibility. Meanwhile, the plate double-side pressing mould-less incremental forming device has the advantages of being high in locating and moving precision, stable in track, convenient to operate and low in cost.
Description
Technical field
The invention belongs to field of machining, specifically the gradual building mortion of a kind of sheet material mold-free.
Background technology
Usually in traditional mode of production, the sheet metal part of manufacturing complex-curved shape need to adopt punch and die to be processed.But punch and die to manufacture and design the cycle long, cost is high, so this device adapts to, produces in enormous quantities, is not suitable for the production of single and mini-batch production part and the trial-production of new product prototype system.Simultaneously, the kind of traditional moulds formation of parts and complexity have significant limitation.And, due to resilience, in sheet forming process, be inevitably, impact forming accuracy produced in order to compensate resilience, also need to spend the plenty of time in actual production and manpower is revised repeatedly to die and punch.Thereby, for Cost reduction, shortening production cycle, need a kind of mould that neither needs, can effectively compensate the new building mortion of resilience again simultaneously.
In the patent of invention that is CN101829722A at publication number, a kind of device for dieless progressive molding of metal plate has been proposed.In this invention, plate is arranged on vertical plate material clamping frame, the holding frame both sides are equipped with two industry mechanical arms, can two-way plate be processed.Although this device is also double end processing, because two industry mechanical arms are fixed on platform, plate is being added to man-hour, realize the being shaped motion of three reference axis of tool heads of the different attitudes of the mechanical arm that can only pass through.Because this version of industry mechanical arm has determined that tool heads rigidity when being shaped is little, while causing Sheet Metal Processing, strength is little, can't complete the processing that strength is required to large part.
In the utility model patent that is CN201313128Y at publication number, a kind of metal blank digitally controlled mold-free building mortion has been proposed.This dieless forming device comprises base, is arranged on respectively two columns of the base left and right sides, be provided with the X axis guide rail on base, on the X axis guide rail, be provided with can be mobile thereon the X axis platform, be provided with the Y-axis platform on the top cross-bar of two columns, be provided with the Y-axis guide rail on the Y-axis platform, be provided with the Z-axis direction main shaft on the Y-axis guide rail.Due to the motion with X, Y, tri-directions of Z, X, Y, Z tri-direction of principal axis are realized three-shaft linkage under computer control, be arranged on the contour squeeze on the digitally controlled mold-free building mortion of three-shaft linkage, first go to the top desired location of model, plate is depressed to the drafts of setting, then according to contour, plate is realized to layering processing, finally complete the shaping of sheet metal part.Owing to adopting the unidirectional gradual mouldless shaping mode of single-point, so the manufacture of contour squeeze and controlling more for convenience, the appearance and size of workpiece is unrestricted simultaneously, and automaticity is high.Yet, because the contour squeeze of this dieless forming device is unidirectional, can only be unidirectional stamping, and the workpiece of depression can't shaped profile be arranged between the high points in two, surface.
Summary of the invention
Can only be unidirectional stamping for overcoming the contour squeeze existed in prior art, and the deficiency of the workpiece of depression can't shaped profile be arranged between the high points in two, surface, the present invention proposes a kind of plate bilateral and exert pressure without mould progressive molding device.
The present invention includes exterior support frame, motion and builder.Motion is arranged on described exterior support frame, and described builder is positioned at exterior support frame, is installed on slide unit, and realizes plate is implemented without the mould progressive molding by described motion.Described motion comprises slide unit motion and plate holding frame motion.Wherein:
A. the slide unit motion comprises two moving cells, and each moving cell comprises slide unit, slide unit guide rail bracket, a pair of slide unit guide rail bracket guide rail, a pair of slide unit guide rail, a pair of slide unit guide rail bracket ball screw and slide unit ball screw.Slide unit in each moving cell is installed on the slide block of described slide unit guide rail; Upper surface at each slide unit all has pair of guide rails, and described Connection Block is arranged on described guide rail by slide block.
The lower surface of the slide unit level board in one of them moving cell is fixed with hydraulic cylinder.The connecting rod of hydraulic cylinder is connected with hydraulic push rod.Upper surface at hydraulic push rod one end has the contiguous block coordinated with Connection Block, and this contiguous block is between two guide rails.The middle part of Connection Block is fixed on described contiguous block upper surface; The lower surface two ends of Connection Block are fixed on and are positioned at two slide block upper surfaces on guide rail, by described contiguous block, described hydraulic push rod are fixedly connected with Connection Block.The first forming tool head is arranged on the upper surface of Connection Block.
The servomotor mount pad is positioned at another slide unit one end, and the second forming tool head servomotor is positioned at slide unit level board lower surface, and the reductor of the second forming tool head servomotor is positioned at slide unit level board upper surface; The output shaft of reductor and the second forming tool captacula bar one end are connected; The other end of described the second forming tool captacula bar is fixed on the second forming tool captacula bar support end.Described the second forming tool captacula bar support end is arranged on the upper surface of slide unit level board, and between two guide rails.Feed screw nut's gusset is sleeved on described the second forming tool captacula bar.The middle part of Connection Block is fixed on the installed surface of described feed screw nut's gusset, and two ends are fixed on and are positioned at two slide block upper surfaces on guide rail.The second forming tool head is arranged on the upper surface of Connection Block.
B. described slide unit guide rail has four, is divided into two pairs, lays respectively at the inboard of two slide unit guide rail brackets.Be fixed with the slide unit ball screw between a pair of slide unit guide rail on described each slide unit guide rail bracket.The upper end of described each slide unit ball screw is connected with servomotor by reductor; The lower end of described each slide unit ball screw all is fixed on the inner surface of slide unit guide rail bracket by the screw mandrel supporting seat.
C. described plate holding frame is comprised of plate gripper frame and two installing plates.Outer surface at described two installing plate two ends is fixed with respectively plate holding frame slide.All be fixed with the slide block coordinated with plate holding frame carriage rail on described plate holding frame slide.Described each plate holding frame carriage rail is separately fixed on the Z-direction crossbeam of column.The two ends of plate holding frame slide ball screw are separately fixed on the column of exterior support frame, and at an end of each plate holding frame slide ball screw, servomotor are installed.
Described exterior support frame is frame structure, comprises four root posts, between each column, all by four groups of upper and lower two parallel crossbeams, is connected and fixed.Two crossbeams up and down between described each column are respectively two groups of X-direction crossbeams and two groups of Z-direction crossbeams.
The profile of described slide unit is the T shape of horizontal positioned.The vertical end of two slide units is support end, and two slide units are arranged on the slide block of slide unit guide rail by the carriage saddle of support end respectively, makes the level board of described two slide units all be cantilever beam.The cantilever end of two slide units is corresponding, and the spacing between two slide unit cantilever ends must can be installed plate.
The moving surface that the relative surface of described two slide unit guide rail brackets is slide unit is fixed with respectively slide unit guide rail and slide unit ball screw on this moving surface.There are respectively two groups of concentric feed screw nut's installing holes upper and lower at the dual-side of each slide unit guide rail bracket, and the feed screw nut is arranged on this feed screw nut's installing hole.
Slide unit guide rail bracket ball screw in described each moving cell is respectively through described feed screw nut, and the two ends of each slide unit guide rail bracket ball screw are arranged on respectively the slide unit guide rail bracket screw mandrel holder be positioned on column; And the end at each slide unit guide rail bracket ball screw is separately installed with servomotor.
The moving surface that the outside of described slide unit guide rail bracket is the slide unit guide rail bracket, top and bottom in the described slide unit guide rail bracket outside are separately installed with the slide block coordinated with slide unit guide rail bracket guide rail, make the slide unit guide rail bracket under the drive of slide unit guide rail bracket ball screw, the directions X by described slide unit guide rail bracket guide rail along exterior support frame moves.Described slide unit guide rail bracket guide rail is fixed on the X-direction crossbeam of exterior support frame.
The present invention has built flexibility, a modularization, the Electromechanical Control that can realize two three-dimensional interlocks and the double end progressive molding device of measurement, to meet the demand of carrying out from now on the experiment of double end progressive molding and production.Motion and building mortion owing to having two three-dimensional interlocks, can carry out the gradual mouldless shaping of double end to the different metal plate.The gradual sheet forming technology of double end mainly relies on the geometry according to the formed thereby workpiece by computer, forms the shaping track of tool heads, and the three-dimensional interlock of use device is shaped.Owing to not needing to manufacture expensive mould and large-scale press machine, and forming process is increasingly automated, the flexibility of its shaping increases substantially, and precision level is also apparently higher than hand finishing, thereby make the production of the sheet metal work of small batch, even single-piece trial-production becomes possibility.
(1) the present invention acts on respectively the both sides of plate in the course of the work due to two forming tool heads, feeding by two forming tool heads coordinates pointwise to make plate that plastic deformation constantly occur, thereby do not need concave-convex mold just can produce the various metal blank parts that simultaneously contain projection and depression curved surface, thereby the more traditional shaping dies of this device have larger processing flexibility.
(2) the present invention is in sheet forming process, the motion of the movement by controlling the slide unit guide rail bracket, the movement of slide unit, the forming tool head three-dimensional motion of tool heads in space that can realize being shaped.Motion and building mortion owing to having two three-dimensional interlocks, can carry out the gradual mouldless shaping of double end by the complex-shaped different metal plate of effects on surface.Simultaneously by the motion of plate holding frame, with the processing that can realize the sheet metal parts large to forming limit that coordinates of forming head.This device both can be realized the shaping to whole plate, can realize again shaping or school shape to the local zonule of plate; Both can complete unidirectional stampingly, the workpiece of depression again can shaped profile have been arranged between the high points in two, surface.
(3) do not need traditional male and female mold due to the present invention in sheet forming process, thereby the process of having avoided a large amount of man power and material that traditional moulds need to spend in process of production repeatedly to repair a die, shortened greatly the manufacturing cycle of part and reduced the manufacturing cost of part.Sheet Metal Forming Limit greatly, is not needed to special-purpose mould, is the important method that realizes that the metal blank flexible part is manufactured fast.
(4) the present invention adopts open structure, topology layout optimization, adaptable, good rigidity.Location and kinematic accuracy is relatively high, strength is large, stability-of-path, and meet the needs of common sheet forming.Control is easy, reliability is high, and systemic openness is good, and the exploitation upgrading is convenient.Follow-uply can realize progressiveization, generalization and standardization upgrading.With low cost, in the scope that can bear.
The present invention has built flexibility, a modularization, the Electromechanical Control that can realize two three-dimensional interlocks and the double end progressive molding device of measurement, to meet the demand of carrying out from now on the experiment of double end progressive molding and production.The present invention has the following advantages: 1, topology layout optimization, adaptable, good rigidity.2, location and kinematic accuracy are relatively high, strength large, stability-of-path, and meet the needs of common sheet forming.3, control is easy, reliability is high, and systemic openness is good, and the exploitation upgrading is convenient.4, follow-uply can realize progressiveization, generalization and standardization upgrading.5, with low cost.
The accompanying drawing explanation
Accompanying drawing 1 is 3-D view of the present invention.
Accompanying drawing 2 is front view of the present invention.
The left view that accompanying drawing 3 is accompanying drawing 2.
The structural representation that accompanying drawing 4 is outer support.
The structural representation that accompanying drawing 5 is motion.
Accompanying drawing 6 is for installing the cutaway view of hydraulic cylinder one lateral movement mechanism.
Accompanying drawing 7a is for installing the cutaway view of servomotor one lateral movement mechanism, and accompanying drawing 7b is the partial enlarged drawing in Fig. 7 a.
The structural representation that accompanying drawing 8 is the plate holding frame.
Accompanying drawing 9 is the coordinate schematic diagram of the slide unit for hydraulic cylinder is installed with guide rail.
Accompanying drawing 10 is the structural representation of the slide unit for hydraulic cylinder is installed.
The structural representation that accompanying drawing 11 is hydraulic push rod.
The structural representation that accompanying drawing 12 is Connection Block.
The structural representation that accompanying drawing 13 is the first builder and slide unit.
The structural representation that accompanying drawing 14 is the second builder and slide unit.
Accompanying drawing 15 is the servomotor mount pad and the schematic diagram that coordinates of slide unit
Accompanying drawing 16 is guide rail and the schematic diagram that coordinates of slide unit.
Accompanying drawing 17 is the structural representation of the slide unit for servomotor is installed.
The top view that accompanying drawing 18 is accompanying drawing 17.
The structural representation that accompanying drawing 19 is the servomotor mount pad.
The structural representation that accompanying drawing 20 is feed screw nut's gusset.
The structural representation that accompanying drawing 21 is the second forming tool captacula bar support end.In figure:
The schematic diagram of the second forming tool captacula bar support end of apparatus of the present invention
1. column; 2.X to crossbeam; 3.Z to crossbeam; 4. slide unit guide rail bracket; 5. slide unit; 6. plate holding frame slide; 7. slide unit guide rail bracket guide rail; 8. slide unit guide rail; 9. plate holding frame carriage rail; 10. slide unit guide rail bracket ball screw; 11. slide unit ball screw; 12. plate holding frame slide ball screw; 13. plate holding frame slide screw mandrel gripper shoe; 14. plate gripper frame; 15. installing plate; 16. the first forming tool head; 17. the second forming tool head; 18. Connection Block; 19. hydraulic cylinder; 20. hydraulic push rod; 21. carriage saddle; 22. guide rail; 23. feed screw nut's seat; 24. servomotor; 25. reductor; 26. the second forming tool head servomotor; 27. screw mandrel stiff end; 28. screw mandrel support end; 29. screw mandrel supporting seat; 30. slide motor mounting plate; 31. plate holding frame slide screw mandrel holder; 32. feed screw nut; 33. feed screw nut's gusset; 34. servomotor mount pad; 35. slide unit motor mounting plate; 36. slide unit screw mandrel holder; 37. slide unit guide rail bracket motor mounting plate; 38. slide unit guide rail bracket screw mandrel holder; 39. slide unit guide rail bracket screw mandrel gripper shoe; 40. the second forming tool captacula bar; 41. bearing block; 42. the second forming tool captacula bar support end.
The specific embodiment
Below in conjunction with accompanying drawing, particular content of the present invention is described further.
The present embodiment is that a kind of plate bilateral is exerted pressure without mould progressive molding device, comprises exterior support frame, motion and builder.The carrier that described exterior support frame is the present embodiment, motion is arranged on described exterior support frame, and described builder adopts prior art, is positioned at exterior support frame, be installed on slide unit 5, and realize plate is implemented without the mould progressive molding by described motion.
Described exterior support frame is frame structure, comprises four root posts 1, between each column 1, all by four groups of upper and lower two parallel crossbeams, is connected and fixed.Two crossbeams up and down between described each column 1 are respectively two groups of X-direction crossbeams 2 and two groups of Z-direction crossbeams 3.
Described motion comprises slide unit motion and plate holding frame motion.
The slide unit motion comprises two moving cells, and each moving cell comprises slide unit 5, slide unit guide rail bracket 4, a pair of slide unit guide rail bracket guide rail 7, a pair of slide unit guide rail 8, a pair of slide unit guide rail bracket ball screw 10 and slide unit ball screw 11.Wherein:
Two slide units 5 are plate, for builder is installed.The profile of described slide unit 5 is the T shape of horizontal positioned.The vertical end of the slide unit 5 in each moving cell is support end, two slide units 5 are arranged on the slide block of slide unit guide rail 8 by the carriage saddle 21 of support end respectively, make the level board of described two slide units 5 all be cantilever beam, described carriage saddle 21 middle parts are equipped with feed screw nut's seat 23 that can move on slide unit ball screw 11.The cantilever end of two slide units 5 is corresponding, and the spacing between two slide unit 5 cantilever ends must can be installed plate.For ease of the builder of the present embodiment is installed, the guide rail 22 of a pair of Connection Block 18 is all arranged at the upper surface of two slide units 5, described Connection Block 18 is arranged on described guide rail 22 by slide block.
The lower surface of one of them slide unit 5 level board is fixed with hydraulic cylinder 19.Described slide unit 5 is near the bar-shaped trough that connects these slide unit 5 level boards, the movement slots that this bar-shaped trough is hydraulic push rod 20 are arranged on the level board of support end.The connecting rod of hydraulic cylinder 19 is connected with hydraulic push rod 20.Described hydraulic push rod 20 is the L shaped of horizontal positioned, and the installing hole coordinated with hydraulic cylinder 19 connecting rods is arranged on the vertical plate of these hydraulic push rod 20 1 ends; Upper surface at hydraulic push rod 20 level board one ends has the contiguous block coordinated with Connection Block 18, and this contiguous block is between two guide rails 22.The middle part of Connection Block 18 is fixed on described contiguous block upper surface; The lower surface two ends of Connection Block 18 are fixed on and are positioned at two slide block upper surfaces on guide rail 22, by described contiguous block, described hydraulic push rod 20 are fixedly connected with Connection Block 18.The first forming tool head 16 is arranged on the upper surface of Connection Block 18.
Another slide unit 5 level boards have the bar-shaped trough that connects these slide unit 5 level boards, the mounting groove that this bar-shaped trough is servomotor mount pad 34 near the support end place; The second forming tool head servomotor 26 is positioned at slide unit 5 level board lower surfaces and is fixed on servomotor mount pad 34, and the reductor of the second forming tool head servomotor 26 is positioned at slide unit 5 level board upper surfaces, and is fixed on servomotor mount pad 34; The output shaft of the second forming tool head servomotor 26 and the power shaft of reductor are connected.The second forming tool captacula bar 40 1 ends be supported on servomotor mount pad 34 and with the output shaft fixed connection of reductor, between the second forming tool captacula bar 40 and servomotor mount pad 34, bearing block 41 is arranged; The other end of described the second forming tool captacula bar 40 is fixed on the second forming tool captacula bar support end 42 that is positioned at this slide unit 5 level board cantilever end upper surfaces.Described the second forming tool captacula bar support end 42 is arranged on the upper surface of slide unit 5 level boards, and between two guide rails 22.Rectangular-shaped feed screw nut's gusset 33 is sleeved on described the second forming tool captacula bar 40.The middle part of Connection Block 18 is fixed on the installed surface of described feed screw nut's gusset 33, and two ends are fixed on and are positioned at two slide block upper surfaces on guide rail 22.The second forming tool head 17 is arranged on the upper surface of Connection Block 18.
Described slide unit guide rail 8 has four, is divided into two pairs, lays respectively at the inboard of two slide unit guide rail brackets 4.Be fixed with slide unit ball screw 11 between a pair of slide unit guide rail 8 on described each slide unit guide rail bracket 4.The upper end of described each slide unit ball screw 11 is screw mandrel stiff end 27, and described each screw mandrel stiff end 27 is connected with servomotor 24 by reductor 25, and described servomotor 24 is fixed on slide unit screw mandrel holder 36 by slide unit motor mounting plate 35; The lower end of described each slide unit ball screw 11 is screw mandrel support end 28, all by screw mandrel supporting seat 29, is fixed on the inner surface of slide unit guide rail bracket 4.
Described slide unit guide rail bracket 4 has two, is plate.The moving surface that the relative surface of described two slide unit guide rail brackets 4 is slide unit 5 is fixed with respectively slide unit guide rail 8 and slide unit ball screw 11 on this moving surface.
There are respectively two groups of concentric feed screw nut's installing holes upper and lower at the dual-side of each slide unit guide rail bracket 4, and feed screw nut 32 is arranged on this feed screw nut's installing hole.The middle part of each slide unit guide rail bracket ball screw 10 is respectively through described feed screw nut 32, and the two ends of each slide unit guide rail bracket ball screw 10 are arranged on respectively slide unit guide rail bracket screw mandrel holder 38 and the slide unit guide rail bracket screw mandrel gripper shoe 39 be positioned on column 1.
Each slide unit guide rail bracket 4 under the drive of slide unit guide rail bracket ball screw 10, externally moves in bracing frame respectively.The moving surface that opposing surface is slide unit guide rail bracket 4 at the moving surface with slide unit 5, be separately installed with the slide block coordinated with slide unit guide rail bracket guide rail 7 in the top and bottom of these slide unit guide rail bracket 4 moving surfaces, make slide unit guide rail bracket 4 under the drive of slide unit guide rail bracket ball screw 10, the directions X by described slide unit guide rail bracket guide rail 7 along exterior support frame moves.Described slide unit guide rail bracket guide rail 7 is fixed on the X-direction crossbeam 2 of exterior support frame.
The two ends of described each slide unit guide rail bracket ball screw 10 are separately fixed on the column 1 of exterior support frame, and the end at each slide unit guide rail bracket ball screw 10 is equipped with servomotor, described servomotor is fixed on slide unit guide rail bracket screw mandrel holder 38 by slide unit guide rail bracket motor mounting plate 37.
Plate holding frame motion in the present embodiment comprises plate holding frame, plate holding frame slide 6, plate holding frame carriage rail 9 and plate holding frame slide ball screw 12.
Described plate holding frame is comprised of plate gripper frame 14 and installing plate 15.Plate gripper frame 14 is rectangular frame, is embedded with the feed screw nut coordinated with plate holding frame slide ball screw 12 in each plate holding frame slide 6.Two installing plates 15 lay respectively at upper surface and the lower surface of plate gripper frame 14.Outer surface at described two installing plate 15 two ends is fixed with respectively plate holding frame slide 6.Upper surface at the plate holding frame slide 6 that is positioned at plate gripper frame 14 upper surfaces is fixed with the slide block coordinated with plate holding frame carriage rail 9, lower surface at the plate holding frame slide 6 that is positioned at plate gripper frame 14 lower surfaces also is fixed with the slide block coordinated with plate holding frame carriage rail 9, make plate gripper frame 14 by coordinating between described each slide block and plate holding frame carriage rail 9, can, under the drive of plate holding frame slide ball screw 12, along exterior support frame Z-direction crossbeam 3, move.
Described each plate holding frame carriage rail 9 is separately fixed on the Z-direction crossbeam 3 of column 1.The two ends of plate holding frame slide ball screw 12 are fixed on the column 1 of exterior support frame by plate holding frame slide screw mandrel holder 31 and plate holding frame slide screw mandrel gripper shoe 13 respectively, and the end at each plate holding frame slide ball screw 12 is equipped with servomotor, described servomotor is fixed on plate holding frame slide screw mandrel holder 31 by slide motor mounting plate 30.
The present invention realizes the movement of slide unit guide rail bracket 4 by slide unit guide rail bracket ball screw 10, slide unit 5 is arranged on slide unit guide rail 8, the Y-direction that realizes slide unit 5 by slide unit ball screw 11 moves, the first forming tool head 16 on one of them slide unit 5 realizes that under the drive of hydraulic cylinder 19 the Z direction moves, the second forming tool head 17 on another slide unit 5 realizes that under the drive of the second forming tool head servomotor 26 the Z direction moves, and drives the plate holding frame by plate holding frame slide ball screw 12 and moves along the Z direction.The relative motion of simultaneously controlling slide unit guide rail bracket 4, slide unit 5, the first forming tool head 16 and the second forming tool head 17 of plate both sides by digital control system realizes that the bilateral of plate exerts pressure without the mould progressive molding.If the processing capacity of plate is very large, the stroke of forming tool head has been not enough to add man-hour, can complete processing by the movement of plate holding frame.
Slide unit guide rail bracket 4 is arranged on slide unit guide rail bracket guide rail 7, then moves by slide unit guide rail bracket ball screw 10 drive slide unit guide rail brackets 4.Drive unit drives two slide unit guide rail bracket ball screws, 10 motions on same slide unit guide rail bracket 4 simultaneously, realizes that under the acting in conjunction of two slide unit guide rail bracket ball screws 10 directions X of slide unit guide rail bracket 4 moves.
Plate holding frame slide 6 is arranged on plate holding frame carriage rail 9, drives plate holding frame slide 6 by plate holding frame slide ball screw 12 and moves along the Z direction.
Drive unit drives four plate holding frame slide ball screws 12 and moves simultaneously, plate holding frame slide ball screw 12 drives four plate holding frame slides 6 and moves simultaneously, and the plate holding frame be fixed on plate holding frame slide 6 realizes that the Z direction of plate moves under it drives.
Movement by four plate holding frame slides 6 makes the plate holding frame steadily move along the Z direction, when being shaped, not only can make the forming tool head move and be processed to plate, can also be processed by the movement of plate holding frame, by both cooperation processing, greatly strengthened the range of work of device like this.
The first forming tool head 16 and the second forming tool head 17 are arranged on respectively on the slide unit 5 of plate holding frame both sides.The the first forming tool head 16 be arranged on one of them slide unit 5 drives by hydraulic system, and hydraulic cylinder 19 can well be realized displacement and the load control of the first forming tool head 16, especially improves the control accuracy of load; The the second forming tool head 17 be arranged on another slide unit 5 drives by servo-drive system, and because servo-drive system displacement control accuracy is high, servo-drive system can well realize the displacement control of the second forming tool head 17, improves the precision be shaped.
The present invention, when work, is fixed in metal blank to be formed in plate gripper frame 14.By the motion of two side slid platform guide rail brackets 4 and slide unit 5, make the forming tool head aim at working position, be arranged on respectively the first forming tool head 16 and the relative panel surface that is pressed on of the second forming tool head 17 on two side slid platforms 5.Drive the motion of forming tool head by hydraulic cylinder 19 and the second forming tool head servomotor 26, the compressing metal blank makes it to produce plastic deformation until become required shape.
Claims (7)
1. a plate bilateral is exerted pressure without mould progressive molding device, it is characterized in that, comprises exterior support frame, motion and builder; Motion is arranged on described exterior support frame, and described builder is positioned at exterior support frame, is installed on slide unit, and realizes plate is implemented without the mould progressive molding by described motion; Described motion comprises slide unit motion and plate holding frame motion; Wherein:
A. the slide unit motion comprises two moving cells, and each moving cell comprises slide unit, slide unit guide rail bracket, a pair of slide unit guide rail bracket guide rail, a pair of slide unit guide rail, a pair of slide unit guide rail bracket ball screw and slide unit ball screw; Slide unit in each moving cell is installed on the slide block of described slide unit guide rail; Upper surface at each slide unit all has pair of guide rails, and described Connection Block is arranged on described guide rail by slide block;
The lower surface of the slide unit level board in one of them moving cell is fixed with hydraulic cylinder; The connecting rod of hydraulic cylinder is connected with hydraulic push rod; Upper surface at hydraulic push rod one end has the contiguous block coordinated with Connection Block, and this contiguous block is between two guide rails; The middle part of Connection Block is fixed on described contiguous block upper surface; The lower surface two ends of Connection Block are fixed on and are positioned at two slide block upper surfaces on guide rail, by described contiguous block, described hydraulic push rod are fixedly connected with Connection Block; The first forming tool head is arranged on the upper surface of Connection Block;
The servomotor mount pad is positioned at another slide unit one end, and the second forming tool head servomotor is positioned at slide unit level board lower surface, and the reductor of the second forming tool head servomotor is positioned at slide unit level board upper surface; The output shaft of reductor and the second forming tool captacula bar one end are connected; The other end of described the second forming tool captacula bar is fixed on the second forming tool captacula bar support end; Described the second forming tool captacula bar support end is arranged on the upper surface of slide unit level board, and between two guide rails; Feed screw nut's gusset is sleeved on described the second forming tool captacula bar; The middle part of Connection Block is fixed on the installed surface of described feed screw nut's gusset, and two ends are fixed on and are positioned at two slide block upper surfaces on guide rail; The second forming tool head is arranged on the upper surface of Connection Block;
B. described slide unit guide rail has four, is divided into two pairs, lays respectively at the inboard of two slide unit guide rail brackets; Be fixed with the slide unit ball screw between a pair of slide unit guide rail on described each slide unit guide rail bracket; The upper end of described each slide unit ball screw is connected with servomotor by reductor; The lower end of described each slide unit ball screw all is fixed on the inner surface of slide unit guide rail bracket by the screw mandrel supporting seat;
C. described plate holding frame is comprised of plate gripper frame and two installing plates; Outer surface at described two installing plate two ends is fixed with respectively plate holding frame slide; All be fixed with the slide block coordinated with plate holding frame carriage rail on described plate holding frame slide; Described each plate holding frame carriage rail is separately fixed on the Z-direction crossbeam of column; The two ends of plate holding frame slide ball screw are separately fixed on the column of exterior support frame, and at an end of each plate holding frame slide ball screw, servomotor are installed.
2. a kind of plate bilateral is exerted pressure without mould progressive molding device as claimed in claim 1, it is characterized in that, described exterior support frame is frame structure, comprises four root posts, between each column, all by four groups of upper and lower two parallel crossbeams, is connected and fixed; Two crossbeams up and down between described each column are respectively two groups of X-direction crossbeams and two groups of Z-direction crossbeams.
3. a kind of plate bilateral is exerted pressure without mould progressive molding device as claimed in claim 1, it is characterized in that, the profile of described slide unit is the T shape of horizontal positioned; The vertical end of two slide units is support end, and two slide units are arranged on the slide block of slide unit guide rail by the carriage saddle of support end respectively, makes the level board of described two slide units all be cantilever beam; The cantilever end of two slide units is corresponding, and the spacing between two slide unit cantilever ends must can be installed plate.
4. a kind of plate bilateral is exerted pressure without mould progressive molding device as claimed in claim 1, it is characterized in that, the moving surface that the relative surface of described two slide unit guide rail brackets is slide unit is fixed with respectively slide unit guide rail and slide unit ball screw on this moving surface; There are respectively two groups of concentric feed screw nut's installing holes upper and lower at the dual-side of each slide unit guide rail bracket, and the feed screw nut is arranged on this feed screw nut's installing hole.
5. a kind of plate bilateral is exerted pressure without mould progressive molding device as claimed in claim 1, it is characterized in that, slide unit guide rail bracket ball screw in described each moving cell is respectively through described feed screw nut, and the two ends of each slide unit guide rail bracket ball screw are arranged on respectively the slide unit guide rail bracket screw mandrel holder be positioned on column; And the end at each slide unit guide rail bracket ball screw is separately installed with servomotor.
6. a kind of plate bilateral is exerted pressure without mould progressive molding device as claimed in claim 1, it is characterized in that, is embedded with the feed screw nut coordinated with plate holding frame slide ball screw in each plate holding frame slide.
7. a kind of plate bilateral is exerted pressure without mould progressive molding device as claimed in claim 1, it is characterized in that, the moving surface that the outside of described slide unit guide rail bracket is the slide unit guide rail bracket, top and bottom in the described slide unit guide rail bracket outside are separately installed with the slide block coordinated with slide unit guide rail bracket guide rail, make the slide unit guide rail bracket under the drive of slide unit guide rail bracket ball screw, the directions X by described slide unit guide rail bracket guide rail along exterior support frame moves; Described slide unit guide rail bracket guide rail is fixed on the X-direction crossbeam of exterior support frame.
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| CN201310388979.XA CN103495637B (en) | 2013-08-30 | 2013-08-30 | Plate double-side pressing mould-less incremental forming device |
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| CN201310388979.XA CN103495637B (en) | 2013-08-30 | 2013-08-30 | Plate double-side pressing mould-less incremental forming device |
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| CN103495637A true CN103495637A (en) | 2014-01-08 |
| CN103495637B CN103495637B (en) | 2015-06-10 |
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| CN104525768A (en) * | 2014-12-25 | 2015-04-22 | 安治国 | Automatic rising-falling type incremental forming edge-pressing device |
| CN105149403A (en) * | 2015-09-30 | 2015-12-16 | 南京纳联数控技术有限公司 | Incremental forming machine tool |
| CN107824677A (en) * | 2017-12-11 | 2018-03-23 | 南京航空航天大学 | A kind of progressive molding lifting platform of quick-clamping plate |
| CN110773629A (en) * | 2019-10-21 | 2020-02-11 | 一汽解放汽车有限公司 | Dieless forming process and apparatus |
| CN111151626A (en) * | 2020-01-15 | 2020-05-15 | 成都航空职业技术学院 | Single-point forming mechanical arm head fine adjustment device |
| CN111872222A (en) * | 2020-06-12 | 2020-11-03 | 北京航空航天大学 | Large-size high-rigidity double-sided incremental forming machine tool |
| WO2022142037A1 (en) * | 2020-12-31 | 2022-07-07 | 山东大学 | Multi-angle two-point incremental forming machining platform having displacement compensation function |
| CN117840754A (en) * | 2023-12-15 | 2024-04-09 | 江苏恒力组合机床有限公司 | Horizontal double-sided five-axis machining center and automobile rear bottom plate machining method |
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| CN111872222B (en) * | 2020-06-12 | 2021-08-27 | 北京航空航天大学 | Large-size high-rigidity double-sided incremental forming machine tool |
| WO2022142037A1 (en) * | 2020-12-31 | 2022-07-07 | 山东大学 | Multi-angle two-point incremental forming machining platform having displacement compensation function |
| CN117840754A (en) * | 2023-12-15 | 2024-04-09 | 江苏恒力组合机床有限公司 | Horizontal double-sided five-axis machining center and automobile rear bottom plate machining method |
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| CN103495637B (en) | 2015-06-10 |
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