CN103495637B - 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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- CN103495637B CN103495637B CN201310388979.XA CN201310388979A CN103495637B CN 103495637 B CN103495637 B CN 103495637B CN 201310388979 A CN201310388979 A CN 201310388979A CN 103495637 B CN103495637 B CN 103495637B
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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 manufacturing complex-curved shape needs to adopt punch and die to process.But punch and die to manufacture and design the cycle long, cost is high, so this device adapts to produce 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.Meanwhile, the kind of traditional moulds formation of parts and complexity have significant limitation.And, because resilience is inevitable in sheet forming process, in order to compensate the impact that resilience produces forming accuracy, in actual production, also need cost plenty of time and manpower repeatedly to revise die and punch.Thus, in order to reduce cost, shorten the production cycle, need one neither to need mould, effectively can compensate again the new building mortion of resilience simultaneously.
Be in the patent of invention of CN101829722A at publication number, propose a kind of device for dieless progressive molding of metal plate.In the invention, be arranged on by plate on vertical plate material clamping frame, holding frame both sides are provided with two industry mechanical arms, can two-wayly process plate.Although this device is also double end processing, because two industry mechanical arms are fixed on platform, adding man-hour to plate, the different attitudes of the mechanical arm that can only pass through realize the motion of three reference axis of shaping tool heads.It is little that this version due to industry mechanical arm determines tool heads rigidity when being shaped, and causes strength during Sheet Metal Processing little, cannot complete the processing to the large part of force requirements.
Be in the utility model patent of CN201313128Y at publication number, propose a kind of metal blank digitally controlled mold-free building mortion.This dieless forming device comprises base, is arranged on two columns of the base left and right sides respectively, base is provided with X axis guide rail, X axis guide rail is provided with can the X axis platform of movement thereon, the top cross-bar of two columns is provided with Y-axis platform, Y-axis platform is provided with Y-axis guide rail, Y-axis guide rail is provided with Z-axis direction main shaft.Owing to having the motion in X, Y, Z tri-directions, X, Y, Z tri-direction of principal axis realize three-shaft linkage under the control of the computer, 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, to the drafts of plate pressure setting, then according to contour, layering processing is realized to plate, finally complete the shaping of sheet metal part.Owing to adopting single-point unidirectional gradual mouldless shaping mode, therefore contour squeeze manufacture and control more for convenience, the appearance and size of workpiece is unrestricted simultaneously, and automaticity is high.But the contour squeeze due to this dieless forming device is unidirectional, can only be unidirectional stamping, and the workpiece of depression cannot be had between two the high points in shaped profile 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 cannot be had between two the high points in shaped profile 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 implementing without mould progressive molding plate by described motion.Described motion comprises slide unit motion and plate holding frame motion.Wherein:
A. slide unit motion comprises two moving cells, and each moving cell comprises slide unit, slide unit guide rail bracket, a pair slide unit guide rail bracket guide rail, a pair slide unit guide rail, a pair 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; All have pair of guide rails at the upper surface of each slide unit, 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.Have the contiguous block coordinated with Connection Block at the upper surface of hydraulic push rod one end, 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 the slide block upper surface be positioned on two guide rails, by described contiguous block, are fixedly connected with by described hydraulic push rod with Connection Block.First forming tool head is arranged on the upper surface of Connection Block.
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; Output shaft and second forming tool captacula bar one end of reductor are connected; The other end of described second forming tool captacula bar is fixed on the second forming tool captacula bar support end.Described 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 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 the slide block upper surface be positioned on two guide rails.Second forming tool head is arranged on the upper surface of Connection Block.
B. described slide unit guide rail has four, and it is two right to be divided into, and lays respectively at the inner side of two slide unit guide rail brackets.Slide unit ball screw is fixed with between a pair 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 is all fixed on the inner surface of slide unit guide rail bracket by screw mandrel supporting seat.
C. described plate holding frame is made up of plate gripper frame and two pieces of installing plates.Plate holding frame slide is fixed with respectively at the outer surface at described two pieces of installing plate two ends.Described plate holding frame slide is all fixed with the slide block coordinated with plate holding frame carriage rail.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 are provided with servomotor in one end of each plate holding frame slide ball screw.
Described exterior support frame is frame structure, comprises four root posts, is all connected and fixed by about four groups two parallel crossbeams between each column.Two crossbeams up and down between described each column are respectively two groups of X to crossbeam and two groups of Z-direction crossbeams.
The profile of described slide unit is the T-shaped 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 respectively by the carriage saddle of support end, make the level board of described two slide units all in cantilever beam.The cantilever end of two slide units is corresponding, and the spacing between two slide unit cantilever ends must can install plate.
The surface that described two slide unit guide rail brackets are relative is the moving surface of slide unit, and this moving surface is fixed with slide unit guide rail and slide unit ball screw respectively.Have feed screw nut's installing hole that two groups concentric respectively in the upper and lower of the dual-side of each slide unit guide rail bracket, 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 each passed through described feed screw nut, and the two ends of each slide unit guide rail bracket ball screw are arranged on the slide unit guide rail bracket screw mandrel holder be positioned on column respectively; And be separately installed with servomotor in one end of each slide unit guide rail bracket ball screw.
The outside of described slide unit guide rail bracket is the moving surface of slide unit guide rail bracket, top and bottom outside described slide unit guide rail bracket are separately installed with the slide block coordinated with slide unit guide rail bracket guide rail, make slide unit guide rail bracket under the drive of slide unit guide rail bracket ball screw, by described slide unit guide rail bracket guide rail externally bracing frame X-direction motion.Described slide unit guide rail bracket guide rail is fixed on the X of exterior support frame on crossbeam.
The present invention constructs a flexibility, modularization, can realize the Electromechanical Control of two three-dimensional interlocks and the double end progressive molding device of measurement, to meet the demand of carrying out the experiment of double end progressive molding and production from now on.Owing to having motion and the building mortion of two three-dimensional interlocks, the gradual mouldless shaping of double end can be carried out to different metal plate.Double end gradual sheet forming technology mainly relies on by the geometry of computer according to workpiece formed thereby, forms the shaping track of tool heads, utilizes the three-dimensional interlock of device to be shaped.Owing to not needing to manufacture expensive mould and large-scale press machine, and forming process is increasingly automated, its flexibility be shaped increases substantially, and precision level is also apparently higher than hand finishing, thus make the production of the sheet metal work of small batch, even single-piece trial-production becomes possibility.
(1) the present invention is in the course of the work because two forming tool heads act on the both sides of plate respectively, pointwise is coordinated to make plate constantly plastic deformation occur by the feeding of two forming tool heads, thus it is various simultaneously containing metal blank part that is protruding and concave curvature not need concave-convex mold just can produce, the shaping dies that thus this device is more traditional has larger processing flexibility.
(2) the present invention is in sheet forming process, and by controlling the movement of slide unit guide rail bracket, the movement of slide unit, the motion of forming tool head can realize the three-dimensional motion of shaping tool heads in space.Owing to having motion and the building mortion of the interlock of two three-dimensionals, the gradual mouldless shaping of double end can be carried out by the complex-shaped different metal plate of effects on surface.Simultaneously by the motion of plate holding frame, with forming head coordinate the processing that can realize the large sheet metal parts of forming limit.This device both can realize the shaping to overall plate, can realize again the shaping to territory, plate local cell or school shape; Both can complete unidirectional stamping, the workpiece of depression can have been had between two the high points in shaped profile surface again.
(3) because the present invention does not need traditional male and female mold in sheet forming process, thus avoid the process that traditional moulds in process of production needs a large amount of man power and material of cost repeatedly to repair a die, shorten the manufacturing cycle of part greatly and reduce the manufacturing cost of part.Greatly, not needing special mould to Sheet Metal Forming Limit, is realize the important method that metal blank flexible part manufactures fast.
(4) the present invention adopts open structure, structural 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 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 constructs a flexibility, modularization, can realize the Electromechanical Control of two three-dimensional interlocks and the double end progressive molding device of measurement, to meet the demand of carrying out the experiment of double end progressive molding and production from now on.The present invention has the following advantages: 1, structural layout optimization, adaptable, good rigidity.2, location and kinematic accuracy is relatively high, strength is 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 exploitation upgrading is convenient.4, follow-uply progressiveization, generalization and standardization upgrading can be realized.5, with low cost.
Accompanying drawing explanation
Accompanying drawing 1 is 3-D view of the present invention.
Accompanying drawing 2 is front view of the present invention.
Accompanying drawing 3 is the left view of accompanying drawing 2.
Accompanying drawing 4 is the structural representation of outer support.
Accompanying drawing 5 is the structural representation of motion.
Accompanying drawing 6 is the sectional view installing hydraulic cylinder side motion.
Accompanying drawing 7a is the sectional view installing servomotor side motion, and accompanying drawing 7b is the partial enlarged drawing in Fig. 7 a.
Accompanying drawing 8 is the structural representation of plate holding frame.
Accompanying drawing 9 be slide unit for installing hydraulic cylinder with guide rail coordinate schematic diagram.
Accompanying drawing 10 is the structural representation of the slide unit for installing hydraulic cylinder.
Accompanying drawing 11 is the structural representation of hydraulic push rod.
Accompanying drawing 12 is the structural representation of Connection Block.
Accompanying drawing 13 is the structural representation of the first builder and slide unit.
Accompanying drawing 14 is the structural representation of the second builder and slide unit.
Accompanying drawing 15 be servomotor mount pad with slide unit coordinate schematic diagram
Accompanying drawing 16 be guide rail with slide unit coordinate schematic diagram.
Accompanying drawing 17 is the structural representation of the slide unit for installing servomotor.
Accompanying drawing 18 is the top view of accompanying drawing 17.
Accompanying drawing 19 is the structural representation of servomotor mount pad.
Accompanying drawing 20 is the structural representation of feed screw nut's gusset.
Accompanying drawing 21 is the structural representation of 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 is to crossbeam; 3.Z is 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 screws; 12. plate holding frame slide ball screws; 13. plate holding frame slide screw mandrel gripper shoes; 14. plate gripper frames; 15. installing plates; 16. first forming tool heads; 17. second forming tool heads; 18. Connection Blocks; 19. hydraulic cylinders; 20. hydraulic push rods; 21. carriage saddles; 22. guide rails; 23. feed screw nut's seats; 24. servomotors; 25. reductors; 26. second forming tool head servomotors; 27. screw mandrel stiff ends; 28. screw mandrel support ends; 29. screw mandrel supporting seats; 30. slide motor mounting plates; 31. plate holding frame slide screw mandrel holders; 32. feed screw nuts; 33. feed screw nut's gussets; 34. servomotor mount pads; 35. slide unit motor mounting plates; 36. slide unit screw mandrel holders; 37. slide unit guide rail bracket motor mounting plates; 38. slide unit guide rail bracket screw mandrel holders; 39. slide unit guide rail bracket screw mandrel gripper shoes; 40. second forming tool captacula bars; 41. bearing blocks; 42. second forming tool captacula bar support ends.
Detailed description of the invention
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.Described exterior support frame is the carrier of 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 implementing without mould progressive molding plate by described motion.
Described exterior support frame is frame structure, comprises four root posts 1, is all connected and fixed by about four groups two parallel crossbeams between each column 1.Two crossbeams up and down between described each column 1 are respectively two groups of X to crossbeam 2 and two groups of Z-direction crossbeams 3.
Described motion comprises slide unit motion and plate holding frame motion.
Slide unit motion comprises two moving cells, and each moving cell comprises slide unit 5, slide unit guide rail bracket 4, a pair slide unit guide rail bracket guide rail 7, a pair slide unit guide rail 8, a pair slide unit guide rail bracket ball screw 10 and slide unit ball screw 11.Wherein:
Two slide units 5 are plate, for installing builder.The profile of described slide unit 5 is the T-shaped 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 respectively by the carriage saddle 21 of support end, make the level board of described two slide units 5 all in cantilever beam, feed screw nut's seat 23 that can move on slide unit ball screw 11 is installed in the middle part of described carriage saddle 21.The cantilever end of two slide units 5 is corresponding, and the spacing between two slide unit 5 cantilever ends must can install plate.For ease of installing the builder of the present embodiment, all have the guide rail 22 of a pair Connection Block 18 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 has the bar-shaped trough of this slide unit 5 level board through on the level board of support end, and this bar-shaped trough is the movement slots of hydraulic push rod 20.The connecting rod of hydraulic cylinder 19 is connected with hydraulic push rod 20.The L shape of described hydraulic push rod 20 in horizontal positioned, the vertical plate of this hydraulic push rod 20 one end has the installing hole coordinated with hydraulic cylinder 19 connecting rod; Have the contiguous block coordinated with Connection Block 18 at the upper surface of hydraulic push rod 20 level board one end, 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 the slide block upper surface be positioned on two guide rails 22, by described contiguous block, are fixedly connected with by described hydraulic push rod 20 with Connection Block 18.First forming tool head 16 is arranged on the upper surface of Connection Block 18.
Another slide unit 5 level board has the bar-shaped trough of this slide unit 5 level board through near support end place, this bar-shaped trough is the mounting groove of servomotor mount pad 34; Second forming tool head servomotor 26 is positioned at slide unit 5 level board lower surface 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 surface, 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.Second forming tool captacula bar 40 one end to 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, have bearing block 41; The other end of described second forming tool captacula bar 40 is fixed on and is positioned on the second forming tool captacula bar support end 42 of this slide unit 5 level board cantilever end upper surface.Described second forming tool captacula bar support end 42 is arranged on the upper surface of slide unit 5 level board, and between two guide rails 22.Rectangular-shaped feed screw nut's gusset 33 is sleeved on described 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 the slide block upper surface be positioned on two guide rails 22.Second forming tool head 17 is arranged on the upper surface of Connection Block 18.
Described slide unit guide rail 8 has four, and it is two right to be divided into, and lays respectively at the inner side of two slide unit guide rail brackets 4.Slide unit ball screw 11 is fixed with between a pair 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, is all fixed on the inner surface of slide unit guide rail bracket 4 by screw mandrel supporting seat 29.
Described slide unit guide rail bracket 4 has two pieces, is plate.The surface that described two slide unit guide rail brackets 4 are relative is the moving surface of slide unit 5, and this moving surface is fixed with slide unit guide rail 8 and slide unit ball screw 11 respectively.
Have feed screw nut's installing hole that two groups concentric respectively in the upper and lower of the dual-side of each slide unit guide rail bracket 4, 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 each passed through described feed screw nut 32, and the two ends of each slide unit guide rail bracket ball screw 10 are arranged on respectively and are positioned at slide unit guide rail bracket screw mandrel holder 38 on column 1 and slide unit guide rail bracket screw mandrel gripper shoe 39.
Each slide unit guide rail bracket 4, respectively under the drive of slide unit guide rail bracket ball screw 10, moves in exterior support frame.At the moving surface that the surface opposing with the moving surface of slide unit 5 is slide unit guide rail bracket 4, the slide block coordinated with slide unit guide rail bracket guide rail 7 is separately installed with in the top and bottom of this slide unit guide rail bracket 4 moving surface, make slide unit guide rail bracket 4 under the drive of slide unit guide rail bracket ball screw 10, by described slide unit guide rail bracket guide rail 7 externally bracing frame X-direction motion.Described slide unit guide rail bracket guide rail 7 is fixed on the X of exterior support frame on crossbeam 2.
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 be provided with servomotor in one end of each slide unit guide rail bracket ball screw 10, 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 made up 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 pieces of installing plates 15 lay respectively at upper surface and the lower surface of plate gripper frame 14.Plate holding frame slide 6 is fixed with respectively at the outer surface at described two pieces of installing plate 15 two ends.The slide block coordinated with plate holding frame carriage rail 9 is fixed with at the upper surface of the plate holding frame slide 6 being positioned at plate gripper frame 14 upper surface, also the slide block coordinated with plate holding frame carriage rail 9 is fixed with at the lower surface of the plate holding frame slide 6 being positioned at plate gripper frame 14 lower surface, make plate gripper frame 14 by coordinating between described each slide block with plate holding frame carriage rail 9, can under the drive of plate holding frame slide ball screw 12, externally bracing frame Z-direction crossbeam 3 moves.
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 respectively by plate holding frame slide screw mandrel holder 31 and plate holding frame slide screw mandrel gripper shoe 13, and be provided with servomotor in one end of each plate holding frame slide ball screw 12, 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 being realized slide unit 5 by slide unit ball screw 11 is moved, the first forming tool head 16 on one of them slide unit 5 realizes Z-direction and moves under the drive of hydraulic cylinder 19, the second forming tool head 17 on another slide unit 5 realizes Z-direction and moves under the drive of the second forming tool head servomotor 26, drives plate holding frame to move along Z-direction by plate holding frame slide ball screw 12.The bilateral that the relative motion simultaneously controlling the slide unit guide rail bracket 4 of plate both sides, slide unit 5, first forming tool head 16 and the second forming tool head 17 by digital control system realizes plate is exerted pressure without 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 drives slide unit guide rail bracket 4 to move by slide unit guide rail bracket ball screw 10.Drive unit drives two slide unit guide rail bracket ball screws 10 on same slide unit guide rail bracket 4 to move simultaneously, and the X-direction realizing slide unit guide rail bracket 4 under the acting in conjunction of two slide unit guide rail bracket ball screws 10 moves.
Slide unit 5 is arranged on slide unit guide rail 8, drives slide unit 5 to move along Y-direction by slide unit ball screw 11.The first forming tool head 16 on one of them slide unit 5 realizes Z-direction and moves under the drive of hydraulic cylinder 19, the second forming tool head 17 on another slide unit 5 realizes Z-direction and moves under the drive of the second forming tool head servomotor 26, exerted pressure in plate both sides, thus complete the processing to plate.
Plate holding frame slide 6 is arranged in plate holding frame carriage rail 9, drives plate holding frame slide 6 to move along Z-direction by plate holding frame slide ball screw 12.
Drive unit drives four plate holding frame slide ball screws 12 to move simultaneously, plate holding frame slide ball screw 12 drives four plate holding frame slides 6 to move simultaneously, and the Z-direction that the plate holding frame be fixed on plate holding frame slide 6 realizes plate under it drives moves.
Make plate holding frame along Z-direction steadily movement by the movement of four plate holding frame slides 6, forming tool head not only can be made to move to plate process when being shaped, can also be processed by the movement of plate holding frame, like this by both cooperation processing, greatly increase the range of work of device.
First forming tool head 16 and the second forming tool head 17 are arranged on the slide unit 5 of plate holding frame both sides respectively.The the first forming tool head 16 be arranged on one of them slide unit 5 is driven by hydraulic system, and hydraulic cylinder 19 can well realize 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 is driven by servo-drive system, and because servo-drive system Bit andits control precision is high, servo-drive system can well realize the Bit andits control of the second forming tool head 17, improves the precision be shaped.
Metal blank to be formed operationally, is fixed in plate gripper frame 14 by the present invention.By the motion of two side slid platform guide rail brackets 4 and slide unit 5, make forming tool head aim at working position, be arranged on that the first forming tool head 16 on two side slid platforms 5 is relative with the second forming tool head 17 is pressed on panel surface respectively.Drive forming tool head to move by hydraulic cylinder 19 and the second forming tool head servomotor 26, compressing metal blank makes it to produce plastic deformation until become required shape.
Claims (7)
1. plate bilateral is exerted pressure without a 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 implementing without mould progressive molding plate by described motion; Described motion comprises slide unit motion and plate holding frame motion; Wherein:
A. slide unit motion comprises two moving cells, and each moving cell comprises slide unit, slide unit guide rail bracket, a pair slide unit guide rail bracket guide rail, a pair slide unit guide rail, a pair 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; All have pair of guide rails at the upper surface of each slide unit, 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; Have the contiguous block coordinated with Connection Block at the upper surface of hydraulic push rod one end, 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 the slide block upper surface be positioned on two guide rails, by described contiguous block, are fixedly connected with by described hydraulic push rod with Connection Block; First forming tool head is arranged on the upper surface of Connection Block;
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; Output shaft and second forming tool captacula bar one end of reductor are connected; The other end of described second forming tool captacula bar is fixed on the second forming tool captacula bar support end; Described 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 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 the slide block upper surface be positioned on two guide rails; Second forming tool head is arranged on the upper surface of Connection Block;
B. described slide unit guide rail has four, and it is two right to be divided into, and lays respectively at the inner side of two slide unit guide rail brackets; Slide unit ball screw is fixed with between a pair 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 is all fixed on the inner surface of slide unit guide rail bracket by screw mandrel supporting seat;
C. plate holding frame is made up of plate gripper frame and two pieces of installing plates; Plate holding frame slide is fixed with respectively at the outer surface at described two pieces of installing plate two ends; Described plate holding frame slide is all fixed with the slide block coordinated with plate holding frame carriage rail; 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 are provided with servomotor in one end of each plate holding frame slide ball screw.
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, is all connected and fixed by about four groups two parallel crossbeams between each column; Two crossbeams up and down between described each column are respectively two groups of X to crossbeam 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-shaped 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 respectively by the carriage saddle of support end, make the level board of described two slide units all in cantilever beam; The cantilever end of two slide units is corresponding, and the spacing between two slide unit cantilever ends must can install 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 surface that described two slide unit guide rail brackets are relative is the moving surface of slide unit, and this moving surface is fixed with slide unit guide rail and slide unit ball screw respectively; Have feed screw nut's installing hole that two groups concentric respectively in the upper and lower of the dual-side of each slide unit guide rail bracket, 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 each passed through feed screw nut, and the two ends of each slide unit guide rail bracket ball screw are arranged on the slide unit guide rail bracket screw mandrel holder be positioned on column respectively; And be separately installed with servomotor in one end of each slide unit guide rail bracket ball screw.
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 outside of described slide unit guide rail bracket is the moving surface of slide unit guide rail bracket, top and bottom outside described slide unit guide rail bracket are separately installed with the slide block coordinated with slide unit guide rail bracket guide rail, make slide unit guide rail bracket under the drive of slide unit guide rail bracket ball screw, by described slide unit guide rail bracket guide rail externally bracing frame X-direction motion; Described slide unit guide rail bracket guide rail is fixed on the X of exterior support frame on crossbeam.
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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 CN103495637A (en) | 2014-01-08 |
| CN103495637B true CN103495637B (en) | 2015-06-10 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN110773629B (en) * | 2019-10-21 | 2021-07-09 | 一汽解放汽车有限公司 | Dieless forming process and apparatus |
| CN111151626B (en) * | 2020-01-15 | 2021-07-27 | 成都航空职业技术学院 | Single-point forming mechanical arm head fine adjustment device |
| 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 |
| CN112828109B (en) * | 2020-12-31 | 2021-12-03 | 山东大学 | Multi-angle double-point progressive forming processing platform with 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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