CN107052096A - Complex-curved steel plate digital control flexible progressive molding equipment and manufacturing process - Google Patents

Complex-curved steel plate digital control flexible progressive molding equipment and manufacturing process Download PDF

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Publication number
CN107052096A
CN107052096A CN201710293863.6A CN201710293863A CN107052096A CN 107052096 A CN107052096 A CN 107052096A CN 201710293863 A CN201710293863 A CN 201710293863A CN 107052096 A CN107052096 A CN 107052096A
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CN
China
Prior art keywords
support
complex
steel plate
digital control
curved steel
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CN201710293863.6A
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Chinese (zh)
Inventor
何凯
李威
左启阳
陈浩
杜如虚
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深圳先进技术研究院
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Application filed by 深圳先进技术研究院 filed Critical 深圳先进技术研究院
Priority to CN201710293863.6A priority Critical patent/CN107052096A/en
Publication of CN107052096A publication Critical patent/CN107052096A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments

Abstract

The present invention is applied to complex-curved steel formability technical field, discloses a kind of complex-curved steel plate digital control flexible progressive molding equipment and manufacturing process.Former includes forming machine tool lathe bed, for the progressive support absorber for shaping sheet metal of substep and instrument press head group;Support absorber includes support frame, the adsorption element for adsorbing metal sheet material, the support member for adjusting adsorption element displacement.Manufacturing process uses above-mentioned complex-curved steel plate digital control flexible progressive molding equipment, comprises the following steps:Workpiece is divided into multiple segmentations, the two sides that workpiece is respectively segmented is respectively acting on by the way that instrument press head group and support absorber are progressive successively.A kind of complex-curved steel plate digital control flexible progressive molding equipment provided by the present invention and manufacturing process, the sheet metal of various shapes can be processed, Stability Analysis of Structures is reliable, workable, processing efficiency is higher, and the qualification to operator requires relatively low and final product quality is high.

Description

Complex-curved steel plate digital control flexible progressive molding equipment and manufacturing process
Technical field
The invention belongs to complex-curved steel formability technical field, more particularly to a kind of complex-curved steel plate digital control flexible is gradually Enter former and manufacturing process.
Background technology
The processing of the complex-curved steel plate of the processing of complex-curved steel plate, such as hull be shipbuilding key link it One, fusiform curved surface makes ship have the three-dimension curved surface of good propulsive performance and minimum drag, therefore can both allow hull The enough support deadweights of acquisition and the buoyancy of loading capacity, in turn ensure that the economy of ship's navigation.For complex-curved metallic plate The processing of material, prior art mainly has mechanical stamping process, flame forming plate technique and multi-point forming of sheet technique etc. are a variety of to add Work technique.
Mechanical stamping process is most traditional processing technology, is mainly completed by experienced operator by experience.The processing technology There is efficiency high, good processing accuracy, press machine is generally used as using big shape hydraulic machine.But, due to drift shape The limitation of shape and sheet metal thickness, the processing technology can not make the two-way bent plate of deep camber, and the scope of application compares limitation.In addition, As a result of big shape hydraulic machine as press machine, the processing technology energy resource consumption is than larger, and economy is poor.
Flame forming plate technique is the current complex-curved most common processing technology of deck of boat manufacture field both at home and abroad.The processing work Skill is using the local curved surface by required for the principle processing of generation plastic shrinkage deformation after High-temperature cooling of sheet metal, processed Cheng Zhong, high temperature heat source is moved to sheet metal local heating in metal sheet surface along heater wire, is made in metal sheet surface and thickness of slab Direction produces certain Temperature Distribution, the localized metallic expanded by heating of heating interval;Hindered by surrounding cold metal, produce modeling Property deformation.At a certain distance from behind thermal source cooling is tracked for water;Tension is started to shrink at after the metal cooling of expanded by heating, is just produced The deformation of metallic plate.Flame forming plate process is the local thermal transient elastic-plastic deformation of bent plate, and influences bent plate Local Transient temperature The factor for spending field and displacement is relatively more, so to determine that the final local deformation of bent plate is very difficult, relied primarily at present through The master worker tested has been manually done.In addition, the processing technology work situation is severe, and the once-forming rate of sheet metal is relatively low, difficult To realize precision controlling.
Sheet metal multi-point forming processing technology is a kind of processing method of new complex-curved sheet fabrication shaping, mesh It is preceding still in the experimental study stage, not yet into actual production manufacture field.Because its building mortion is needed in tool heads and branch The shape that support platform simulates traditional mould upper and lower mould carries out punching press again, therefore building mortion structure is more complicated, manufactures Cost is also higher, it is impossible to processed suitable for the complicated metal sheet forming of large scale, many batches, narrow application range.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of complex-curved steel plate digital control flexible Progressive molding equipment and manufacturing process, its
The technical scheme is that:A kind of complex-curved steel plate digital control flexible progressive molding equipment, including forming machine tool Lathe bed, in addition to for the progressive support absorber for shaping sheet metal of substep and instrument press head group, the support is inhaled Adsorption device and the instrument press head group are connected to the bed piece and are oppositely arranged;The support absorber includes support Frame, the adsorption element for adsorbing metal sheet material, the support member for adjusting the adsorption element displacement, the support member Support frame as described above is connected to, the adsorption element is connected to the support member.
Alternatively, the support member is provided with least three rows, and often drain into includes two support members less.
Alternatively, the adsorption element is connected to the upper end of the support member by multi-directional ball connector.
Alternatively, the support member is hydraulic cylinder, and the hydraulic cylinder has hydraulic push rod.
Alternatively, the adsorption element is magnechuck.
Alternatively, the multi-directional ball connector includes universal spherical joint seat and universal with the universal spherical joint seat cooperation Ball-joint, the universal spherical joint seat is fixedly connected on the hydraulic push rod, and the adsorption element is fixedly connected on described universal Ball-joint.
Alternatively, support frame as described above includes bottom plate, side plate and upper adjustable plate, and the side plate is provided with two, and the side The lower end of plate is connected to the both sides of the bottom plate, and the two ends of the upper adjustable plate are connected to the upper end of the side plate, The upper tuned plate offers multiple through holes for being used to pass through for the hydraulic push rod.
Alternatively, the through hole is provided with oil-free bushing.
Present invention also offers a kind of complex-curved steel plate digital control flexible progressive molding method, using above-mentioned complex-curved Steel plate digital control flexible progressive molding equipment, comprises the following steps:Workpiece is divided into multiple segmentations, passes through instrument press head group and branch Adsorbent equipment is progressive successively is respectively acting on the two sides that workpiece is respectively segmented for support, needed for making each section of workpiece shaping being obtained successively Complex-curved steel plate.
Alternatively, the instrument press head group and the working method of support absorber include following at least one:
1. described in instrument press head group give displacement and speed and be pressed downward, at least two groups branch close to the instrument press head group Support adsorbent equipment provides downward absorption affinity and moved down with the deformation of workpiece;At least two groups away from the instrument pressure head The support absorber of group is remained stationary as;
2. described in instrument press head group give displacement and speed and be pressed downward, at least two groups branch close to the instrument press head group Support adsorbent equipment is moved upwards;
3. the position of each support absorber of adjustment is simultaneously remained stationary as, workpiece is depressed into support and inhaled by the instrument press head group The position of adsorption device;
4. at least two pressuring head parts in instrument press head group clamp workpiece, work together with corresponding support absorber At least one pressuring head part in tool press head group is moved down carries out local deformation amendment to workpiece.
A kind of complex-curved steel plate digital control flexible progressive molding equipment provided by the present invention and manufacturing process, can pass through Processing a series of two-dimensional cross-section layer, (segmented is processed, i.e., one complex-curved steel plate can be divided into multiple segmentations, the present embodiment In alleged two-dimensional cross-section layer be each segmentation), so as to obtain the sheet metal of complex-curved shape, various shapes can be processed Sheet metal, Stability Analysis of Structures is reliable, it is possible to achieve automatic processing, workable, processing efficiency is higher, to the ripe of operator Practice degree and require relatively low.Further, since special mould need not be designed, processing flexibility degree is high, is applicable to processing various not With the sheet metal of complicated shape, cost is lower, and economy more preferably, employs the progressive molding processing side based on minimizing energy method Case, can significantly reduce the plastic force of progressive molding processing, reduce the surface quality defect of shaping steel plate, and shaping surface of steel plate adds Working medium amount is high.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below by using required in embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached Figure.
Fig. 1 is a kind of plane signal of complex-curved steel plate digital control flexible progressive molding equipment provided in an embodiment of the present invention Figure;
Fig. 2 is a kind of plane signal of complex-curved steel plate digital control flexible progressive molding equipment provided in an embodiment of the present invention Figure;
Fig. 3 is support absorption in a kind of complex-curved steel plate digital control flexible progressive molding equipment provided in an embodiment of the present invention The schematic perspective view of device.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can To be directly to another element or may be simultaneously present centering elements.
Only it is relative concept each other it should also be noted that, the orientation term such as left and right, upper and lower in the embodiment of the present invention Or using the normal operating condition of product as reference, and should not be regarded as restrictive.
As shown in Figure 1 to Figure 3, a kind of complex-curved steel plate digital control flexible progressive molding provided in an embodiment of the present invention is set It is standby, including forming machine tool lathe bed 1, in addition to for the progressive support absorber 2 and instrument for shaping sheet metal of substep Press head group 3, support absorber 2 and instrument press head group 3 can be independently arranged, adjust relative position, the support absorber 2 The bed piece 1 is connected to the instrument press head group 3 and is oppositely arranged;Support absorber 2 and instrument press head group 3 can be with The upper and lower surface of sheet metal is respectively acting on, sheet metal is passed through in support absorber 2 and instrument press head group 3 Act on two-section shaping, i.e.,, both can be with based on minimizing energy method output progressive molding machining locus by way of progressive molding , again can be with machining shape complicated sail panel material and the shape of a saddle for machining shape common single-curvature sheet material and hyperbolicity sheet material Sheet material.Further, it is also possible to which the large complicated carved steel plate applied to large ship, other fields shapes problem, such as aircraft Manufacture, the manufacture of band large-scale metal vessel fabrication, large-scale steel structure etc..The support absorber 2 includes support frame 20, for adsorbing The adsorption element 25 of sheet metal, the support member 21 for adjusting the displacement of adsorption element 25, the support member 21 connect Support frame as described above 20 is connected to, the adsorption element 25 is connected to the support member 21.Support member 21 can drive adsorption section The distance that part 25 is set with the speed displacement of setting, in advance can also be adjusted the adsorption element 25 in each support member 21 to setting Fixed position, can also be adjusted the adsorption element 25 in part support member 21 to the position of setting, and control section support Part 21 drives the distance that adsorption element 25 is set with the speed displacement of setting, similarly, and instrument press head group 3 can also be with setting Speed displacement setting distance, instrument press head group 3 can also be adjusted to the position of setting in advance, can also be by Some tools The regulation of press head group 3 is to the position of setting, and control section instrument press head group 3 is with the distance of the speed displacement setting of setting.Support Adsorbent equipment 2 can play support and positioning action in progressive molding process;Instrument press head group 3 can be as execution gradually Enter the executing agency of forming action, support absorber 2 and instrument press head group 3 cooperatively form multifunction flexible support system System, it is possible to achieve flexible support and absorption positioning action to the complex-curved sheet material of different shape, by controlling instrument press head group 3 With support absorber 2, can (segmented be processed, i.e., one complex-curved steel plate by processing a series of two-dimensional cross-section layer It is each segmentation that alleged two-dimensional cross-section layer, which can be divided into multiple segmentations, the present embodiment), same segmentation can also by once or Shape at least twice, so as to obtain the sheet metal of complex-curved shape, the sheet metal of various shapes can be processed, removed Outside single-curvature sheet material, hyperbolicity sheet material, sail panel material, shape of a saddle sheet material etc. Various Complex curvature workpiece can also be processed, It can be used for the processing of the complex-curved steel plate of hull, the large complicated carved steel plate that can be also used for solving other fields is processed into Shape problem, such as aircraft manufacturing, band large-scale metal vessel fabrication, the manufacture of the large-scale leg of exploitation of offshore oil and gas platform, Large Steel knot Structure is made, and Stability Analysis of Structures is reliable, is tested by Finite Element Simulation and by manufacturing, experimental results show the shaping Device fully meets the requirement of progressive molding processing, and feasibility is good, can be the strategic new industry middle and high end equipment manufacturing of China Positive progradation is played in the development of industry.Moreover, being processed by flexible progressive molding, it is possible to achieve automatic processing, it can grasp The property made is strong, and processing efficiency is higher.Compared with the prior arts such as flame forming plate processing mode, operator need not be in severe behaviour Make to be processed production under environment, and the complex-curved steel plate digital control flexible progressive molding equipment that the present embodiment is provided, to behaviour The qualification for making workman requires relatively low.Further, since special mould need not be designed, it is possible to achieve to Various Complex curved surface The Flexible Manufacture shaping of sheet metal, cost is lower, and economy more preferably, employs the progressive molding processing based on minimizing energy method Scheme, can significantly reduce the plastic force of progressive molding processing, reduce the surface quality defect of shaping steel plate, shape surface of steel plate Crudy is high.
Specifically, the support member 21 is provided with least three rows, and often drain into includes two support members 21 less, often Adsorption element 25 is provided with individual support member 21, each support member 21 and adsorption element 25 can be independently arranged.
Specifically, the adsorption element 25 is connected to the upper end of the support member 21 by multi-directional ball connector, with The deformation of sheet metal, adsorption element 25 can be flexible, it is possible to achieve to the flexible support of the complex-curved sheet material of different shape and Adsorb positioning action.
Specifically, the type of drive of instrument press head group 3 is used in the modes such as hydraulic-driven, motor driving, the present embodiment, institute Support member 21 is stated for hydraulic cylinder, the hydraulic cylinder has hydraulic push rod.Or, the type of drive of support member 21 and motion are controlled Mode processed can be changed to servomotor driving and motion control card control.
Specifically, the adsorption element 25 can be magnechuck.The height of support member 21 (hydraulic cylinder, hydraulic pressure support post) Degree can be applicable to sheet metal of different shapes, so as to reach according to freely adjusting the need for progressive molding processing technology The effect of flexible support.The top (i.e. the upper end of hydraulic push rod) of each support member 21 (hydraulic cylinder) is mounted on an electricity Magnetic-disc, magnechuck can freely swing with thrust articulated bearing, it is ensured that during sheet deformation sucker and sheet material it Between face contact.Wherein, the size of the adsorption element 25 at corner is relatively bigger.
Specifically, the multi-directional ball connector includes universal spherical joint seat and universal with the universal spherical joint seat cooperation Ball-joint, the universal spherical joint seat is fixedly connected on the hydraulic push rod, and the adsorption element 25 is fixedly connected on described ten thousand To ball-joint, adsorption element 25 can be with flexible rotating.
Specifically, support frame as described above 20 includes bottom plate 201, side plate 202 and upper adjustable plate 221, and the side plate 202 is provided with Two and it is oppositely arranged, the lower end of the side plate 202 is connected to the both sides of the bottom plate 201, the upper adjustable plate 221 Two ends are connected to the upper end of the side plate 202, and the upper tuned plate, which is offered, multiple is used for what is passed through for the hydraulic push rod Through hole, support member 21 can be positioned reliably.
Specifically, the through hole is provided with oil-free bushing 26, of good reliability.
Specifically, forming machine tool lathe bed 1 can use the structure of planer-type, and the instrument press head group 3 includes at least one Pressuring head part, the pressuring head part is connected to the crossbeam 11 of the forming machine tool lathe bed 1.In the present embodiment, pressuring head part is set There is an at least row, often drain into includes at least three pressuring head parts less.Each pressuring head part can be with self-movement.Pressuring head part can To be connected to forming machine tool lathe bed 1 by quick-disassembly structure, pressuring head part can be using structure types such as hydraulic cylinders, and it can basis Actual conditions select appropriate number of pressuring head part.In the present embodiment, pressuring head part is set down, and support member 21 is arranged on machine The bottom of bed lathe bed 1, pressuring head part and support member are opposed about 21, provide support for shaped sheet and position.
Specifically, support member 21 can be fixedly connected on bottom plate 201.As an alternative, may be used also between biside plate 202 To be provided with lower adjustable plate.The bottom of the support member 21 (hydraulic cylinder) is connected in the lower adjustable plate, the present embodiment, institute State that support member 21 is adjustable to be slidably connected to the upper adjustable plate 221 and lower adjustable plate, support member 21 can be along at least Both direction slidable adjustment position and spacing.
Specifically, the two ends of the upper adjustable plate 221 can be slidably connected to the upper end of the side plate 202, and institute respectively The two ends for stating adjustable plate 221 are connected with regulation locking member;The two ends of the lower adjustable plate can respectively set and be connected to institute The inner side of side plate 202 is stated, and the two ends of the lower adjustable plate are connected with lower regulation locking member, upper adjustable plate 221 and lower adjustable plate can To drive being slided along side plate 202 (first direction) for support member 21 thereon, and pass through upper regulation locking member and lower regulation respectively Locking member is locked, and upper regulation locking member and lower regulation locking member can be the fasteners such as bolt.
Specifically, the upper adjustable plate 221 is provided with the first chute, and first slide is connected with the first sliding block, The support member 21 is arranged in first sliding block, and first sliding block is connected with the first regulation locking member;The lower regulation Plate is provided with the second chute, and second slide is connected with the second sliding block, and the bottom of the support member 21 is fixedly connected In second sliding block, second sliding block is connected with the second regulation locking member.Support member 21 can along upper adjustable plate 221, Lower adjustable plate (second direction, second direction is vertical with first direction) is slided, and passes through the first regulation locking member and second respectively Locking member locking is adjusted, the first regulation locking member and the second regulation locking member can be the fasteners such as bolt.
Specifically, the upper adjustable plate 221 and lower adjustable plate are provided with least three groups, the upper He of adjustable plate 221 described in every group Lower adjustable plate is connected with support member 21 described at least three, with the shaping applied to complex-curved steel plate of different shapes.
Specifically, the support member 21 or the adsorption element 25 are connected with Displacement Feedback part.
Specifically, the Displacement Feedback part is draw wire encoder, and the lifting action of support member 21 is main by hydraulic cylinder Driving realize that the action of hydraulic cylinder adjusted by the co-ordination of magnetic valve, ratio flow velocity valve and proportional pressure control valve. In lifting process, stay wire displacement encoder is by the real-time height value for reading support member 21, to ensure the height of support member 21 Regulation plays a very good protection in safe range.
The embodiment of the present invention additionally provides a kind of complex-curved steel plate digital control flexible progressive molding method, is answered using above-mentioned Miscellaneous plate with curved surface digital control flexible progressive molding equipment, comprises the following steps:Workpiece is divided into multiple segmentations, passes through instrument pressure head Group 3 and support absorber 2 is progressive successively is respectively acting on the two sides that workpiece is respectively segmented, makes each section of workpiece to shape successively Complex-curved steel plate needed for obtaining, employs the processing thought of progressive molding, complicated 3D shape is separated into a series of Two-dimensional cross-section layer, carries out local flexural deformation and plastic working on two-dimensional cross-section layer, finally realizes complex-curved steel plate Shape.Therefore in single step progressive molding process, the amount of feeding of instrument press head group 3 is smaller, and sheet metal Deflection is smaller, so the plastic force of sheet material is also relatively small.According to the three-dimensional dimension data designed a model, the processing technology Inverse FEM will be based on, the strain and stress distribution of part is calculated, the region and correspondingly of punching press needed for output steel formability The stroke of drift, and curvature analysis is carried out to the geometric properties of part, amendment needs the region processed.Then according to least energy Method calculates the springback capacity and final deformation amount of steel plate each several part, compensates the stroke of drift, determines progressive molding processing sequence, utilizes The softwares such as Mat lab calculate machining locus, and export progressive molding NC codes, so as to realize the digital control processing of progressive molding. In progressive molding process, each processing step only processes a certain local curvature of sheet metal, then by multiple The amount of feeding processed and be stepped up instrument press head group 3 realizes the forming of complex-curved sheet metal.
Specifically, the instrument press head group 3 and the working method of support absorber 2 include following at least one:
1. described in instrument press head group 3 give displacement and speed is pressed downward, at least two groups close to the instrument press head group 3 Support absorber 2 provides downward absorption affinity and moved down with the deformation of workpiece;At least two groups away from the instrument The support absorber 2 of press head group 3 is remained stationary as;
2. described in instrument press head group 3 give displacement and speed is pressed downward, at least two groups close to the instrument press head group 3 Support absorber 2 is moved upwards;
3. the position of each support absorber 2 of adjustment is simultaneously remained stationary as, workpiece is depressed into support by the instrument press head group 3 The position of adsorbent equipment 2;
4. at least two pressuring head parts in instrument press head group 3 clamp workpiece together with corresponding support absorber 2, At least one pressuring head part in instrument press head group 3 is moved down carries out local deformation amendment to workpiece;
5. described in instrument press head group 3 give displacement and speed is pressed downward, each support absorber 2 provides downward absorption affinity And moved down with the deformation of workpiece.
In same forming process, above-mentioned working method can be carried out progressive by independent or different permutation and combination to sheet material Shaping, with the finished product of 3D shape needed for obtaining.
A kind of complex-curved steel plate digital control flexible progressive molding equipment provided by the present invention and manufacturing process, can pass through Processing a series of two-dimensional cross-section layer, (segmented is processed, i.e., one complex-curved steel plate can be divided into multiple segmentations, the present embodiment In alleged two-dimensional cross-section layer be each segmentation), so as to obtain the sheet metal of complex-curved shape, various shapes can be processed Sheet metal, in addition to single-curvature sheet material, hyperbolicity sheet material, can also process sail panel material, shape of a saddle sheet material etc. a variety of multiple Miscellaneous curvature workpiece, can be used for the processing of the complex-curved steel plate of hull, can be also used for solving the large complicated song in other fields Face steel plate shapes problem, such as aircraft manufacturing, band large-scale metal vessel fabrication, the system of the large-scale leg of exploitation of offshore oil and gas platform Make, large-scale steel structure manufacture etc., Stability Analysis of Structures is reliable, by Finite Element Simulation and passes through and manufactures experiment, experiment test knot Fruit shows that the building mortion fully meets the requirement of progressive molding processing, and feasibility is good, can be in the strategic new industry of China Positive progradation is played in the development of high-end equipment manufacture.Moreover, being processed by flexible progressive molding, it is possible to achieve automatic Processing, workable, processing efficiency is higher.Compared with the prior arts such as flame forming plate processing mode, operator need not Production, and the complex-curved steel plate digital control flexible progressive molding that the present embodiment is provided are processed under severe operating environment Equipment, the qualification to operator requires relatively low.Further, since special mould need not be designed, processing flexibility degree is high, It is applicable to process the sheet metal of various different complicated shapes, cost is lower, economy more preferably, is employed based on least energy The progressive molding processing scheme of method, can significantly reduce the plastic force of progressive molding processing, reduce the surface quality of shaping steel plate Defect, shaping surface of steel plate crudy is high.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (14)

1. a kind of complex-curved steel plate digital control flexible progressive molding equipment, it is characterised in that including forming machine tool lathe bed, in addition to For the progressive support absorber for shaping sheet metal of substep and instrument press head group, the support absorber and described Instrument press head group is connected to the bed piece and is oppositely arranged;
The support absorber includes support frame, the adsorption element for adsorbing metal sheet material, for adjusting the adsorption section The support member of part displacement, the support member is connected to support frame as described above, and the adsorption element is connected to the support member.
2. complex-curved steel plate digital control flexible progressive molding equipment as claimed in claim 1, it is characterised in that the supporting part Part is provided with least three rows, and often drain into includes two support members less.
3. complex-curved steel plate digital control flexible progressive molding equipment as claimed in claim 1, it is characterised in that the adsorption section Part is connected to the upper end of the support member by multi-directional ball connector.
4. complex-curved steel plate digital control flexible progressive molding equipment as claimed in claim 3, it is characterised in that the supporting part Part is hydraulic cylinder, and the hydraulic cylinder has hydraulic push rod.
5. complex-curved steel plate digital control flexible progressive molding equipment as claimed in claim 1, it is characterised in that the adsorption section Part is magnechuck.
6. complex-curved steel plate digital control flexible progressive molding equipment as claimed in claim 4, it is characterised in that the multi-directional ball Connector includes universal spherical joint seat and the universal ball-joint coordinated with the universal spherical joint seat, and the universal spherical joint seat is consolidated Surely the hydraulic push rod is connected to, the adsorption element is fixedly connected on the universal ball-joint.
7. complex-curved steel plate digital control flexible progressive molding equipment as claimed in claim 6, it is characterised in that support frame as described above Including bottom plate, side plate and upper adjustable plate, the side plate is provided with two, and the lower end of the side plate is connected to the bottom plate Both sides, the two ends of the upper adjustable plate are connected to the upper end of the side plate, and the upper tuned plate, which is offered, multiple to be used to supply The through hole that the hydraulic push rod is passed through.
8. complex-curved steel plate digital control flexible progressive molding equipment as claimed in claim 7, it is characterised in that the through hole It is provided with oil-free bushing.
9. a kind of complex-curved steel plate digital control flexible progressive molding method, it is characterised in that using as appointed in claim 1 to 9 Complex-curved steel plate digital control flexible progressive molding equipment described in one, comprises the following steps:Workpiece is divided into multiple segmentations, The two sides that workpiece is respectively segmented is respectively acting on by the way that instrument press head group and support absorber are progressive successively, makes each of workpiece Complex-curved steel plate needed for Duan Yici shapings are obtained.
10. complex-curved steel plate digital control flexible progressive molding method as claimed in claim 9, it is characterised in that its feature exists In the working method of the instrument press head group and support absorber includes following at least one:
1. described in instrument press head group give displacement and speed and be pressed downward, at least two groups supports close to the instrument press head group are inhaled Adsorption device provides downward absorption affinity and moved down with the deformation of workpiece;At least two groups away from the instrument press head group Support absorber is remained stationary as;
2. described in instrument press head group give displacement and speed and be pressed downward, at least two groups supports close to the instrument press head group are inhaled Adsorption device is moved upwards;
3. the position of each support absorber of adjustment is simultaneously remained stationary as, workpiece is depressed into support absorption dress by the instrument press head group The position put;
4. at least two pressuring head parts in instrument press head group clamp workpiece, instrument pressure together with corresponding support absorber At least one pressuring head part in head group is moved down carries out local deformation amendment to workpiece.
CN201710293863.6A 2017-04-28 2017-04-28 Complex-curved steel plate digital control flexible progressive molding equipment and manufacturing process CN107052096A (en)

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CN206898109U (en) * 2017-04-28 2018-01-19 深圳先进技术研究院 Complex-curved steel plate digital control flexible progressive molding equipment

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CN205763105U (en) * 2016-05-28 2016-12-07 合肥天工标识标牌有限公司 A kind of apparatus for bending by sheet metal bending
CN206898109U (en) * 2017-04-28 2018-01-19 深圳先进技术研究院 Complex-curved steel plate digital control flexible progressive molding equipment

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Application publication date: 20170818