CN113997388A - Self-adaptive mold design system and method - Google Patents
Self-adaptive mold design system and method Download PDFInfo
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- CN113997388A CN113997388A CN202111329558.0A CN202111329558A CN113997388A CN 113997388 A CN113997388 A CN 113997388A CN 202111329558 A CN202111329558 A CN 202111329558A CN 113997388 A CN113997388 A CN 113997388A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
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Abstract
The invention relates to a self-adaptive mold design system and a self-adaptive mold design method, which at least comprise a base, wherein a support adjusting component capable of selectively adjusting the shape of a curved surface constructed by a curved surface forming unit is supported on the base, the support adjusting component can change the curved surface defined by the curved surface forming unit with a dynamic reconfigurable surface according to a control instruction, and a plurality of support adjusting components arranged in an array can selectively adjust the contact support position of the support adjusting components and the curved surface forming unit according to the support requirement of the curved surface forming unit constructing the curved surface with a set shape; the curved surface imaging unit can generate magnetic attraction force capable of assisting the supporting and adjusting assembly to be in positioning contact with the curved surface imaging unit in an area to be supported according to the supporting requirement of the curved surface imaging unit, so that the supporting and adjusting assembly can construct dynamically reconfigurable distributed supporting points different from the dynamic reconfigurable distributed supporting points in array arrangement on the curved surface forming unit according to the curved surface shape requirement.
Description
Technical Field
The invention relates to the technical field of concrete molds, in particular to a self-adaptive mold design system and a self-adaptive mold design method.
Background
At present, the production of the die and the unit component is mainly realized by 2D digital technology such as laser cutting and water jet cutting. A common method of producing a mould for unique components is to make one mould for each unique component using CNC milling in combination with cheap materials, but this method is still labour intensive and generates a lot of waste.
At present, in the field of buildings, the design and construction methods of complex forms of buildings developed and formed according to the building geometric theory tend to be mature, and the construction of complex outline contours becomes one of the design trends of buildings and is a design hotspot in recent years in the field of buildings. Architecture differs from the traditional CAD/CAM technology target industry in many ways, and its construction process needs to be well integrated considering aesthetics, statics, structural aspects, scale and manufacturing techniques, etc. Architects design a free-form building in a CAD program is fairly easy, but conversion to a real building can be difficult and costly, and architects and engineers are forced to simplify the design because traditional production methods for free-form buildings are costly. In the prior art, when producing structural members with unique curved outer contours, a manufacturer usually produces a single fixed-shape forming mold from a suitable material by using equipment such as CNC and the like according to parameters in a digital drawing such as CAD and the like. The cutting and forming process is a material expanding process, and there is usually a large waste of energy and material, which increases labor and material costs and makes the mold expensive. Especially in the molding and manufacturing of large-scale curved outer contour structural members, a larger range and volume of mold materials are required, which results in that the existing cutting mold is not suitable for the production requirement of short-term low-frequency molds in the building field.
GB2268699A shows an apparatus for forming fibre reinforced plastic laminates in which an elastically deformable material is supported by a plurality of distributed drives. By placing the fibers in the laminate, rigidity is achieved and the initially planar laminate is forced into a single or double curved shape using the actuators. This is done in several stages. The fibers are made rigid in the laminate before deformation and then more fibers are placed and allowed to harden to retain their new shape. In this device, as shown in the patent, a uniform surface, a continuous curve between 500 mm and 1000 mm actuators can be obtained as a laminate-end interpolation stiffness between the points defined by the actuators, in comparison with the previously mentioned die device. One advantage of this prior art device is that a uniform, continuous surface is achieved using relatively few actuators. One problem with this apparatus is that the surface finish depends on the ability to control the stiffness of the laminate during processing, which means that the apparatus is only used to produce laminates. Fine control of stiffness also requires relatively high, expensive complexities of machinery, processes, and calculations. FR2612545A shows a die arrangement in which a plurality of actuators arranged in a rectangular pattern are each controlled in longitudinal diameter-processed by a computer processor. A rectangular tab is mounted on the ball at the free end of each actuator and partially overlaps the adjacent plates so that the tabs together form a closed surface. The surface thus formed consists of larger or smaller surfaces, depending on the number of actuators and the distance between them. One problem with this prior art device is that even with a large number of closely spaced actuators, the resulting surface will not be uniform and homogeneous. It will consist of several planes, since a rectangular sheet does not produce regular transitions and continuous curves.
Therefore, in order to meet the requirements of the existing building design, a system capable of constructing a plurality of mold profiles with different shapes by a single mold by changing the arrangement condition of the structure of the system is needed. The system is capable of processing the dynamic surface of a designed CAD drawing into a preset shape from digital signals created from the drawing, which will complete the molding of the mold quickly and automatically without generating waste, and furthermore the manipulated surface is fair and robust without requiring additional manual processing.
Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor has studied a lot of documents and patents when making the present invention, but the space is not limited to the details and contents listed in the above, however, the present invention is by no means free of the features of the prior art, but the present invention has been provided with all the features of the prior art, and the applicant reserves the right to increase the related prior art in the background.
Disclosure of Invention
Aiming at the defects of the prior art, the technical scheme provided by the invention is an adaptive mold design system which at least comprises a base, wherein a support adjusting component capable of selectively adjusting the curved surface shape constructed by a curved surface forming unit is supported on the base, and a plurality of support adjusting components arranged in an array can selectively adjust the contact supporting position of the support adjusting component and the curved surface forming unit according to the supporting requirement of the curved surface forming unit for constructing the curved surface with the set shape; the curved surface imaging unit can generate magnetic attraction force capable of assisting the supporting and adjusting assembly to be in positioning contact with the curved surface imaging unit in an area to be supported according to the supporting requirement of the curved surface imaging unit, so that the supporting and adjusting assembly can construct dynamically reconfigurable distributed supporting points different from the dynamic reconfigurable distributed supporting points in array arrangement on the curved surface forming unit according to the curved surface shape requirement. The mold profile system has the advantages that the system can be used for constructing various mold profiles with different shapes through a single mold by changing the arrangement condition of the structure of the system. The system is capable of processing its dynamic surface into a preset shape from digital signals created from a designed CAD drawing, which will complete the molding of the mold quickly and automatically without generating waste, and furthermore the manipulated surface is fair and robust without requiring additional manual processing. Through supporting the formula connection each other of adjusting part and curved surface shaping unit for support the curved surface that adjusting part can establish to curved surface shaping unit and keep a strong point distribution and holding power distribution even, bearing structure is stable, can effectively guarantee the stability of the curved surface profile in the mould use. In addition, the magnetic unit in the curved surface forming unit can provide an attractive force for attracting the supporting and adjusting assembly by the contact connection of the auxiliary supporting and adjusting assembly and the set position of the curved surface forming unit, so that the supporting and adjusting assembly and the curved surface forming unit can be effectively and accurately connected in a contact manner.
According to a preferred embodiment, the supporting and adjusting assembly at least comprises a lifting column, a first supporting column, a second supporting column and a supporting and adjusting assembly, wherein the lifting column can adjust the supporting height of the lifting column according to an instruction of the control unit, and the first supporting column and the second supporting column are arranged at the upper end of the lifting column in the axial direction and are mutually rotatably connected, so that the supporting and adjusting assembly which is simultaneously connected to the side edges of the first supporting column and the second supporting column can selectively adjust the included angle between the first supporting column and the second supporting column, and the supporting and adjusting assembly can dynamically and adjustably provide supporting force for different positions of the curved surface forming unit. Its advantage lies in, can adjust the relative contained angle that forms between first support column and the second support column effectively through setting up the support adjusting part, guaranteed to support the adjusting part and can support curved surface forming unit with different angles and supported position according to the curved surface demand of reality, eliminated the uneven defect of the slope part atress of the curved surface of curved surface forming unit component among the prior art effectively, support the adjusting part still can realize support and spacing to curved surface forming unit with the mode that relatively even strong point distributes on the curved surface.
According to a preferred embodiment, the supporting and adjusting components are circumferentially arranged on the side walls of the first supporting column and the second supporting column in a manner of surrounding the columns of the first supporting column and the second supporting column, and the supporting and adjusting components can change the included angle between the first supporting column and the second supporting column in a manner of changing the connection position between the supporting and adjusting components and the columns of the first supporting column and the second supporting column or the included angle of the rod body. The support adjusting assembly has the advantages that the second support column can obliquely swing and rotate around the connecting end of the second support column and the first support column, and the second support column can be offset to any support point position in the set area.
According to a preferred embodiment, the curved surface forming unit comprises at least a magnetic attraction layer capable of selectively providing magnetic attraction force according to the instruction of the control unit and an elastic constraint layer capable of limiting the flexibility of the curved surface and dispersing the supporting force. The advantage is that the introduction of the elastic constraining layer provides an adjustment force to the curve forming unit 2, so that the elastic constraining layer can further distribute and evenly space the supporting force in a distributed manner. The introduction of the carbon fiber rod of the elastic constraint layer enables the supporting acting force to slide along the direction of the carbon fiber rod, so that the stretching of more uniform distribution of stress and stretching degree in the deflection range of the curved surface forming unit is realized, and the surface of the curved surface forming unit is more uniform.
According to a preferred embodiment, the magnetic absorption layer can divide the surface of the plate into a plurality of cells corresponding to different supporting and adjusting components according to the array arrangement condition of the supporting and adjusting components; the unit check are provided with a plurality of magnetism with the mode of secondary division and inhale the unit, and at least one in same unit check inhale the unit can adjustably produce and can attract with this unit check correspond support adjustment assembly's magnetic attraction. Its advantage lies in, the unit of inhaling magnetically in every unit check can be controlled and produce magnetic attraction to the tip that supplementary support adjusting part can carry out the contact rather than the surface that corresponds and is connected, has avoided the dislocation of plane contact or the emergence of the inaccurate condition effectively.
According to a preferred embodiment, a plurality of carbon fiber rods are distributed in the elastic constraint layer at intervals in a staggered layered mode, and sleeves capable of enabling the carbon fiber rods to perform bending movement are sleeved on the carbon fiber rods. The composite material has the advantages that the combination of the carbon fiber rod and the sleeve always keeps enough flexibility without being limited by rubber matrix when the elastic restraint layer generates layer body compression or stretching, and meanwhile, the composite material can assist the elastic restraint layer to return to the original state after pouring is finished so as to construct different curved surface shapes when the composite material is used for a second time.
According to a preferred embodiment, the control unit can control the lifting column and the supporting and adjusting assembly to adjust the supporting height and the supporting angle under the condition of receiving the drawing parameters of the die, and can synchronously control the magnetic attraction unit corresponding to the point position to be supported to generate the magnetic attraction force for attracting the supporting and adjusting assembly.
According to a preferred embodiment, the curve forming unit further comprises a surface film layer capable of providing a smooth and non-porous mould surface. This has the advantage that the provision of the surface film layer provides a surface suitable for casting concrete or other materials without the need for further manual handling.
The application also provides a self-adaptive mold design method, which at least comprises the following steps: the self-adaptive mould system receives a CAD concrete product drawing and carries out modeling; the control system drives the support adjusting assembly to adjust the position according to the coordinate parameters of each support point in the mould model obtained through analysis; the curved surface forming unit changes the planar plate body to a three-dimensional curved surface along with the movement of the supporting and adjusting assembly, so that a mold surface in a double-curved-surface shape is constructed. The mold profile system has the advantages that the system can be used for constructing various mold profiles with different shapes through a single mold by changing the arrangement condition of the structure of the system. The system is capable of processing its dynamic surface into a preset shape from digital signals created from a designed CAD drawing, which will complete the molding of the mold quickly and automatically without generating waste, and furthermore the manipulated surface is fair and robust without requiring additional manual processing. Through supporting the formula connection each other of adjusting part and curved surface shaping unit for support the curved surface that adjusting part can establish to curved surface shaping unit and keep a strong point distribution and holding power distribution even, bearing structure is stable, can effectively guarantee the stability of the curved surface profile in the mould use. In addition, the magnetic unit in the curved surface forming unit can provide an attractive force for attracting the supporting and adjusting assembly by the contact connection of the auxiliary supporting and adjusting assembly and the set position of the curved surface forming unit, so that the supporting and adjusting assembly and the curved surface forming unit can be effectively and accurately connected in a contact manner.
According to a preferred embodiment, the adjustment of the support adjustment assembly comprises an adjustment of its support height and support angle. Its advantage lies in, can adjust the relative contained angle that forms between first support column and the second support column effectively through setting up the support adjusting part, guaranteed to support the adjusting part and can support curved surface forming unit with different angles and supported position according to the curved surface demand of reality, eliminated the uneven defect of the slope part atress of the curved surface of curved surface forming unit component among the prior art effectively, support the adjusting part still can realize support and spacing to curved surface forming unit with the mode that relatively even strong point distributes on the curved surface.
Drawings
FIG. 1 is a schematic flow chart diagram of a preferred embodiment of an adaptive mold design system and method of the present invention;
FIG. 2 is a block diagram of a preferred embodiment of an adaptive mold design system and method of the present invention;
FIG. 3 is a schematic diagram of the structure of the magnetic attraction layer of the preferred embodiment of the adaptive mold design system and method of the present invention;
FIG. 4 is a schematic diagram of the structure of the elastic constraint layer of the preferred embodiment of the adaptive mold design system and method of the present invention.
List of reference numerals
1: a base; 2: a support adjustment assembly; 3: a curved surface forming unit; 4: a control unit; 21: a lifting column; 22: a first support column; 23: a second support column; 24: a support adjustment assembly; 25: a top support module; 31: a magnetic absorption layer; 32: a surface film layer; 33: an elastic constraining layer; 34: a bottom layer; 241: a first adjusting lever; 242: a second adjusting lever; 243: a first guide rail; 244: a second guide rail; 245: a first slider; 246: a second slider; 247: an angle adjusting unit; 311: a magnetic unit; 331: a carbon fiber rod; 332: a sleeve.
Detailed Description
The following detailed description is made with reference to the accompanying drawings.
Example 1
The application relates to an adaptive mold design system capable of providing a curved hyperboloid and a dynamic reconfigurable surface, which can control a mold system with an open structure according to a model graph and parameters thereof output by a mold design end and adjustably provide a mold frame for pouring a precast concrete unit module with a complex outline of a concrete substrate, such as the curved hyperboloid, through the dynamic reconfigurable surface. The self-adaptive mold design system comprises a base 1, a supporting and adjusting component 2, a curved surface forming unit 3 and a control unit 4.
According to a specific embodiment shown in fig. 2, the base 1 is uniformly provided with support adjusting components 2 capable of supporting the curved surface forming unit 3. The lower axial end of the support adjustment assembly 2 is fixedly mounted on the top surface of the base 1. The number of the supporting and adjusting components 2 can be selectively installed in a number-adjustable manner according to the complexity of the curved surface of the member required by the membrane surface defined by the curved surface forming unit 3 during actual mould forming, so that an operator can uniformly arrange different numbers of the supporting and adjusting components 2 on the base 1 according to the curvature of the curved surface constructed by the curved surface forming unit 3. The supporting and adjusting assembly 2 and the curved surface forming unit 3 are both connected with a control unit 4. The control unit 4 can control the support adjusting assembly 2 to adjust the shape of the curved surface of the mold constructed by the curved surface forming unit 3 in such a manner that the support height and the support position thereof are changed according to the digital signal created by the CAD drawing of the mold design side. The control unit 4 can also synchronously adjust the power-on state of the magnetic modules in the curved surface forming unit 3, so that the position where the curved surface forming unit 3 needs to be supported can generate magnetic attraction force for attracting the end of the support adjusting assembly 2 to contact with the surface of the curved surface forming unit. The control unit 4 can control the support adjusting assembly 2 and the curved surface forming unit 3 to synchronously perform self-adaptation adjustment according to the pre-designed CAD drawing data information, and the support adjusting assembly 2 can enable the surface of the curved surface forming unit 3 to define a given mold shape. The automatic forming die can reduce the defect of generation of a large amount of wastes in the die manufacturing process in the prior art, the surface of the curved surface profile of the 3-component die of the curved surface forming unit is firm, the distribution of the supported force is uniform, and the curved surface can be kept to be constructed and not to deform or partially collapse in the concrete pouring process.
Preferably, the tip end support module 25 supporting the upper end of the adjusting assembly 2 in the axial direction in contact with the curve forming unit 3 can perform an offset rotation (support position adjustment) within a certain range. It is further preferred that the support and adjustment assembly 2 is capable of being supported below the curve forming unit 3 at a set inclination to adjust and support the different surface locations of the curve forming unit 3 in the vertical direction so that the distance between each support point of the top support module 25 acting on the curve forming unit 3 is relatively uniform. Preferably, the length of the support adjustment assembly 2 can be adjusted individually so that the curved forming unit 3, the support of which is limited, can be deflected into a curved shape, for example, but curved or doubly curved three-dimensional shape. Support adjusting part 2 through setting up the contact support position that can adjust in a flexible way, make the top support module 25 can adjust the distribution of the supporting force that curved surface forming unit 3 received on a face effectively and can adjust the actual distribution position of strong point rationally with the skew of the strong point of curved surface forming unit 3 contact, make the distance between the strong point effectively adjust, avoid being greater than the regional strong point interval of plane far away at the regional strong point interval of curved surface radian, make and support the bearing effect difference great, the concrete appears certain degree curved surface deformation in the regional curved surface radian and leads to precast concrete unit to appear the curved surface profile and sink. Preferably, the magnetic absorption layer 31 in the panel of the curved surface forming unit 3 can be adjusted and controlled by the control module 4 to adjust the position of the magnetic absorption area of the supporting position according to the actual supporting curved surface shape, and the magnetic absorption area with uniform distribution can guide and effectively connect and cooperate with the supporting point.
Preferably, when the constructed supporting point is not the highest position of the curved surface of the framework of the curved surface forming unit 3, and the highest position of the loading model constructed by the system in the modeling data acquired by the curved surface forming unit 3 according to the control unit 4 is between two supporting units, the effectiveness of supporting and the maintenance of the radian of the curved surface can be changed by flexibly adjusting the supporting point. The support points can be positionally varied in a corresponding grid region of the corresponding surface forming unit 3. Preferably, the grid area is composed of a plurality of equally divided cells, and each cell is provided with a magnetic unit 311 controlled by the control unit 4. The control unit 4 can control the magnetic attraction unit 311 in at least one cell in the same grid area region according to actual modeling requirements to generate magnetic attraction force capable of magnetically attracting and connecting the supporting points. Preferably, the unit cells generating the magnetic attraction force may be one or a plurality of adjacent cells in the same grid area region.
Preferably, the support adjustment assembly 2 includes a lifting column 21, a first support column 22, a second support column 23, a support adjustment assembly 24, and a top end support module 25. Preferably, the lifting columns 21 are arranged on the base 1 in a manner perpendicular to the top surface of the base 1, and each lifting column 21 can be independently or cooperatively lifted under the control of the control unit 4, and the lifting directions thereof are the same. The first support column 22 is movably connected with the second support column 23. The second support 23 is capable of rotating about its connection position with the first support column 22 under the influence of the support adjustment assembly 24. A plurality of support adjustment assemblies 24 are attached to the cylindrical surfaces of the first support column 22 and the second support column 23 around the cylindrical surfaces thereof. Preferably, the supporting and adjusting assembly 24 can control the size of the included angle formed between the axis of the first supporting column 22 and the axis of the second supporting column 23 and the inclination direction of the second supporting column 23, so that the supporting point at one end of the second supporting column 23 far away from the first supporting column 22 can be magnetically attracted and connected with the surface of the designated cell in the same grid area according to the requirement. Preferably, the top end support module 25 is disposed at an end of the second support column 23 remote from the first support column 22. The top end support module 25 may be a rotating ball head capable of rotating at multiple angles around the end of the second support column 23, and a support block capable of rotating along with the rotating ball head is provided on the rotating ball head. Preferably, the supporting block can be attracted to the surface of the curved surface forming unit 3 by the magnetic attraction force generated by the magnetic attraction unit in the curved surface forming unit 3, and supports the curved surface forming unit 3. Preferably, the position of the magnetic attraction layer 31, which is at least partially controlled by the control unit 4 to generate magnetic attraction force in the curved surface forming unit 3, can generate magnetic attraction force capable of attracting the top end support module 25 in a manner of approximately uniformly distributing the curved surface to be constructed according to the system requirements.
Preferably, the support adjustment assembly 24 includes a first adjustment bar 241, a second adjustment bar 242, a first guide rail 243, a second guide rail 244, a first slider 245, and a second slider 246. The first adjusting lever 241 is hinged to the second adjusting lever 242. One end of the first adjusting rod 241, which is far away from the second adjusting rod 242, is connected to the first slider 245, and the first slider 245 can drive the first adjusting rod 241 to reciprocate in the track direction of the first guide rail 243. Preferably, the first guide rail 243 is disposed on an outer sidewall of the first support column 22, and a length direction of the first guide rail 243 and an axis of the first support column 22 are parallel to each other. One end of the second adjusting rod 242, which is far away from the first adjusting rod 241, is connected to the second slider 246, and the second slider 246 can drive the second adjusting rod 242 to move back and forth in the second guide rail 244 along the track direction. Preferably, the length direction of the second guide rail 244 disposed on the outer side wall of the second support column 23 is parallel to the axial direction of the second support column 23, so that the second slider 246 can drive the second adjustment rod 242 to translate in the axial direction of the second support column 23.
When the adjusting device is used, the first slider 245 and the second slider 246 can respectively drive the ends of the first adjusting rod 241 and the second adjusting rod 242 to translate, so that the relative positions between the first adjusting rod 241 and the second adjusting rod 242 and the first supporting column 22 and the second supporting column 23 are changed. The first and second sliders 245 and 246 can be moved individually or not displaced relatively under the control of the control unit 4. Preferably, the first adjusting rod 241 and the second adjusting rod 242 can also rotate around the connecting end of the first adjusting rod 241 and the second adjusting rod 242, so that the size of the included angle formed by the two rod bodies changes, and therefore the rod body offset of the second supporting column 23 relative to the first supporting column 22 occurs along with the change of the included angle of the first supporting column 22 and the second supporting column 23 which are relatively fixed to the first adjusting rod 241 and the second adjusting rod 242, and the included angle of the column axis of the first supporting column 22 and the second supporting column 23 changes.
Preferably, the included angle between the first adjusting rod 241 and the second adjusting rod 242 is controlled by the angle adjusting unit 247, so that the angle of the included angle formed by the rod axes of the first adjusting rod 241 and the second adjusting rod 242 can be directionally changed under the adjustment of the angle adjusting unit 247, and thus the axis included angle between the first supporting column 22 and the second supporting column 23 can be changed along with the angle change of the first adjusting rod 241 and the second adjusting rod 242. When the angle adjusting device is used, the included angle formed by the first adjusting rod 241 and the second adjusting rod 242 can be changed under the control of the angle adjusting unit 247 controlled by the control unit 4, or the included angle formed by the first adjusting rod 241 and the second adjusting rod 242 can be changed in a manner that the first sliding block 245 and the second sliding block 246 slide in the set first guide rail 243 and second guide rail 244, or the included angle formed by the first adjusting rod 241 and the second adjusting rod 242 can be changed under the condition that the first sliding block 245, the second sliding block 246 and the angle adjusting unit 247 move synchronously, so that the first supporting column 22 and the second supporting column 23 which are linked with the first adjusting rod 241 and the second adjusting rod 242 can form a non-vertical supporting structure with the base 1 under the control of the control unit 4. The second support column 23 can support the curved surface forming unit 3 in such a manner as to be inclined at an angle with respect to the first support column 22. Preferably, the plurality of second support columns 23 connected to the first support columns 22 uniformly distributed on the base 1 can support the curved surface forming unit 3 at different inclination angles, so that the second support columns 23 supporting the curved surface portion constructed by the curved surface forming unit 3 can always maintain a substantially uniformly distributed manner to support the curved surface forming unit 3, thereby avoiding that the curved surface forming unit 3 in a curved surface form is limited and supported by a support structure perpendicular to the base 1 in the prior art, and the relative distance between the support points located on the inclined curved surface portion is large, so that the curved surface curvature of the portion changes to a certain extent due to the gravity of concrete, and finally the precast concrete unit formed by pouring cannot form a concrete slab in a curved surface or a hyperboloid form designed in advance.
Preferably, the curve forming unit 3 is capable of constructing a curved or doubly curved dynamically reconfigurable surface on its surface remote from the supporting and adjusting assembly 2 in the supporting and limiting condition. The reconfigurability of the surface shaping unit 3 is defined by the interpolation of the arrangement of the support and adjustment assemblies 2 arranged on the top support surface of the base 1.
Preferably, the curved surface forming unit 3 includes a magnetic attraction layer 31, a surface film layer 32, an elastic constraint layer 33, and a bottom layer 34. Preferably, the bottom layer 34 can be directly connected in contact with the end of the supporting and adjusting assembly 2, and the surface of the bottom layer 34 away from the supporting and adjusting assembly 2 is sequentially provided with the magnetic attraction layer 31, the surface film layer 32 and the elastic constraint layer 33. Preferably, the magnetic unit 311 in the magnetic layer 31 can generate magnetic attraction under the control of the control unit 4, so that the end of the top end support module 25 of the support adjusting assembly 2 can be attracted and attached to the bottom layer 34, thereby providing a limiting support force for the curved surface forming unit 3. As shown in fig. 3, the magnetic attraction layer 31 is uniformly divided in a grid form into a plurality of unit cells corresponding to the top end support modules 25 at different positions. The top support module 25 can be connected in contact with any position in the partial bottom layer 34 corresponding to the unit cell according to the curved surface requirement to be constructed. Preferably, a plurality of magnetic units 311 capable of selectively generating magnetic attraction force according to the instruction are uniformly distributed in the cell. The magnetic attraction unit 311 can facilitate the surface contact connection of the top support module 25 with the bottom layer 34 corresponding to the position. Preferably, the top end support module 25 is capable of applying point-like distributed support force to different positions of the curved surface constructed by the curved surface forming unit 3 by the acting force of the support adjusting assembly 24 and the set position magnetic attracting unit 311.
As shown in fig. 4, the elastic constraining layer 33 is provided with a plurality of carbon fiber rods 331 arranged at intervals and perpendicularly intersecting with each other. A sleeve 332 is provided between the carbon fiber rod 331 and the elastic constraining layer 33 made of rubber compound. Preferably, the sleeve 332 is sleeved on the carbon fiber rod 331, so that the carbon fiber rod 331 inside the elastic constraint layer 33 can be bent along with the elastic constraint layer when the elastic constraint layer is deflected in a curved surface. Preferably, a certain distance is arranged between the carbon fiber rods 331 in different directions, so that the carbon fiber rods 331 in the same direction can form an elastic adjusting layer, and the carbon fiber rods 331 in different directions form mutually parallel elastic adjusting layers, thereby facilitating the combination of the film layers. By placing the carbon fiber rod 331 within the sleeve 332, it is possible to maintain sufficient flexibility at all times without being constrained by the rubber matrix when the elastic constraining layer 33 undergoes layer shrinkage or stretching. Meanwhile, the elastic constraint layer 33 can be assisted to return to the original state after the pouring is finished, so that different curved surface shapes can be constructed during secondary use. Preferably, the surface film layer 32 is a low friction flexible coating material that has a low coefficient of friction and is not susceptible to binding or reaction during the setting of the concrete blank. Preferably, the low friction surface may be a layer of tetrafluoroethylene to provide a smooth mold surface profile for the curve forming unit 3. The surface film layer 32 serves as a surface suitable for casting concrete or other materials without further manual handling, and the durability of the surface film layer 32 needs to be strong enough to maintain a completely smooth and non-porous surface.
Example 2
This embodiment is a further improvement of embodiment 1, and repeated contents are not described again.
Preferably, the curved surface forming unit 3 can be disposed on the support and adjustment assembly 2 in a deflected state so that the curved surface forming unit 3 can be supported to form any flat, single-curved or double-curved surface shape. Preferably, the curved surface formed by the curved surface forming unit 3 has a continuous curved surface shape in all directions. When in use, the curved surface forming unit 3 can deflect to form any single-curved or double-curved surface shape under the action of the supporting and adjusting assembly 2. Preferably, during the deflection of the curved surface forming unit 3, it can construct a variety of continuous curved surfaces which can form a specific mold contour and have regular and uniform curved surface shapes by the supporting force of the supporting and adjusting assembly 2, so that it can be used as a concrete casting mold for casting and forming the hyperbolic concrete unit.
Preferably, the curved surface forming unit 3 is always able to form a curved surface having a continuous curve due to its rigidity in its own flexibility under the action of the plurality of support point-like support forces applied thereto by the support adjusting assembly 2. Preferably, the peripheral parts of the plurality of supporting and adjusting components 2 arranged in the same plane of the base 1 are connected with the curved surface forming unit 3 in an embedded manner, so that the relative position between the edge profile of the whole plate surface of the curved surface forming unit 3 and the peripheral supporting member of the supporting array formed by the supporting and adjusting components 2 is limited, the curved surface forming unit 3 can be always kept in a connecting state with the supporting and adjusting components 2, and the curved surface forming unit can only be stretched and stretched by the stretching and retracting of the supporting and adjusting components 2. Preferably, when the curved surface forming unit 3 deflects to form a curved surface or a hyperbolic surface, due to the elasticity of the curved surface forming unit, the extension of the layer body, and the application of the lattice-shaped supporting force of the supporting and adjusting assembly 2, the curved surface forming unit 3 is over-stretched and deformed in the region with a larger curvature, so that the introduction of the elastic constraining layer 33 can provide an adjusting acting force to the curved surface forming unit 2, so that the elastic constraining layer 33 can further disperse and uniformly distribute the supporting force at intervals in a distributed manner. The introduction of the carbon fiber rod 331 of the elastic constraining layer 33 causes the supporting force to slide along the direction of the carbon fiber rod 331, thereby realizing the extension of the curved surface forming unit with more evenly distributed stress and stretching degree within the deflection range, and further causing the surface of the curved surface forming unit 3 to be more even.
Preferably, the array peripheral part of the plurality of support adjusting components 2 arranged in an array is used for limiting and simply supporting the position of the curved surface forming unit 3, and because the supporting point limited by the support adjusting component 2 and the corresponding curved surface forming unit 3 have small moment and weak arc effect, and in some cases, the area cannot be used for forming, the actual using area of the curved surface can be reduced to realize more effective curved surface forming effect of the curved surface forming unit 3.
In actual use, the number and arrangement density of the support and adjustment assemblies 2 are directly related to the precision of the curved surface of the mold surface and the complexity of the undulation possible. The support adjusting assemblies 2 with a small number represent that the support adjusting assemblies 2 with a harder film and a smaller control quantity need softer (more complex deformation bending) molds and more precise and large-quantity control, so that the number of actuators depends on the complexity of constructing the curved surface on the surface of the film, preferably, the support adjusting assemblies 2 can also be set in a high-density distribution state at one time, and therefore, in use, the support movement of the support adjusting assemblies 2 for constructing the support array only selects part of the support adjusting assemblies 2 arranged at intervals in an alternating mode according to the actual support forming requirement to construct the curved surface which can be defined by the curved surface forming unit 3. Preferably, the method is suitable for a mold profile with high hardness, low radian and low curvature required to be constructed by workers. Preferably, when a complex double-curvature mold shape with a large curvature needs to be constructed, the supporting and adjusting assemblies 2 can support the curved surface forming units 3 in a relatively dense array, so that the mold can still keep the constructed curved surface shape after being loaded with concrete materials and cannot be deformed badly due to the compression of the concrete materials. Preferably, the movable arrangement of the second supporting column 23 of the supporting and adjusting assembly is to enable the second supporting column 23 to change its supporting point position within a certain periphery, so that when there is no supporting point at the position corresponding to the highest point of the curved surface constructed by the curved surface forming unit 3 and/or the distance between adjacent supporting points of the inclined surface position is relatively long, the actual supporting position can be reasonably adjusted according to the instruction of the control unit 4, so that the curved surface forming unit 3 can still keep the curved surface shape constructed by the curved surface forming unit unchanged when being pressed by concrete. Preferably, the axial upper end of the second supporting column 23 of the peripheral supporting and adjusting assembly 2 of the supporting array constructed by the supporting and adjusting assemblies 2 can be directly and movably connected with the bottom layer of the curved surface forming unit 3, so that the connecting position of the two is not changed, and the curved surface forming unit 3 can rotate around the axial upper end of the supporting and adjusting assembly 2 at the edge position.
Example 3
The present application further provides a method for designing an adaptive mold, as shown in fig. 1, which includes the following steps:
the self-adaptive mould system receives a CAD concrete product drawing and carries out modeling;
the control system 4 drives the supporting and adjusting assembly 2 to lift according to the coordinate parameters of each point of the die model obtained through analysis;
the curved surface forming unit 3 changes the plane plate body to a three-dimensional curved surface along with the height change and the angle change of the supporting and adjusting assembly 2, so that a mold surface in a double-curved-surface shape is constructed;
after the curved surface required by the product drawing is obtained, the forming of the prefabricated curved concrete unit is completed in a mode of pouring concrete materials in the curved surface forming unit 3.
Preferably, the adjustment of the support adjustment assembly 2 includes the adjustment of its support height and support angle. The support angle of the support adjusting component 2 is adjusted to make the inclination of a part of the curved surface larger, the distance between the support points is larger or the highest point of the curved surface lacks the position of effective support to provide an even and effective support force, so that the support force applied by the curved surface forming unit 3 is more even, and the support effect is more stable. Preferably, the curved surface forming unit 3 can be controlled by the control unit 4 to enable the magnetic attraction unit 311 in the magnetic attraction layer 31 corresponding to the position of the required direct supporting force to generate the magnetic attraction force attracting the top supporting module 25 of the supporting and adjusting assembly 2, so that the supporting and adjusting assembly 2 which completes the angle and height adjustment can be accurately attached to the surface position of the curved surface forming unit 3 which actually needs to be in contact with and supported.
It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents. Throughout this document, the features referred to as "preferably" are only an optional feature and should not be understood as necessarily requiring that such applicant reserves the right to disclaim or delete the associated preferred feature at any time.
Claims (10)
1. An adaptive mold design system, which at least comprises a base (1), characterized in that the base (1) is supported with a support adjusting component (2) which can selectively adjust the curved surface shape constructed by a curved surface forming unit (3), wherein,
the support adjusting components (2) arranged in an array can selectively adjust the contact support positions of the support adjusting components and the curved surface forming unit (3) according to the support requirements of the curved surface forming unit (3) for constructing a curved surface with a set shape;
the curved surface imaging unit (3) can generate magnetic attraction force capable of assisting the supporting and adjusting component (2) to be in positioning contact with the curved surface imaging unit according to the supporting requirement of the curved surface imaging unit, so that the supporting and adjusting component (2) can construct dynamically reconfigurable distributed supporting points different from the dynamic reconfigurable distributed supporting points in array arrangement on the curved surface forming unit (3) according to the curved surface shape requirement.
2. The adaptive mold design system according to claim 1, characterized in that the support adjustment assembly (2) comprises at least a lifting column (21), a first support column (22), a second support column (23) and a support adjustment assembly (24), wherein the lifting column (21) can adjust the supporting height thereof according to the instruction of the control unit (4), a first supporting column (22) and a second supporting column (23) which are arranged at the axial upper end of the lifting column (21) are mutually and rotatably connected, so that the support adjusting component (24) which is simultaneously connected with the side edges of the first support column (22) and the second support column (23) can selectively adjust the included angle between the first support column (22) and the second support column (23), so that the support adjusting component (2) can dynamically and adjustably provide support force for different positions of the curved surface forming unit (3).
3. The adaptive mold design system according to claim 2, wherein a plurality of the support adjusting components (24) are circumferentially arranged on the side walls of the first support column (22) and the second support column (23) in a manner of surrounding the columns of the first support column (22) and the second support column (23), and the support adjusting components (24) can change the included angle between the first support column (22) and the second support column (23) in a manner of changing the connection position between the support adjusting components and the columns of the first support column (22) and the second support column (23) or the included angle of the self rod body.
4. The adaptive mold design system according to claim 2, characterized in that the curve forming unit (3) comprises at least a magnetic attraction layer (31) capable of selectively providing magnetic attraction force according to the control unit command and an elastic constraint layer (33) capable of limiting curve flexibility and dispersing support force.
5. The adaptive mold design system according to claim 2, wherein the magnetic attraction layer (31) can divide the plate surface thereof into a plurality of cells corresponding to different support adjusting components (2) according to the array arrangement of the support adjusting components (2); the unit check are provided with a plurality of magnetism with the mode of secondary division and inhale unit (311), and at least one in the same unit check inhale unit (311) can adjustably produce and can attract with this unit check correspond the magnetic attraction of support adjusting component (2).
6. An adaptive mold design system according to claim 5, characterized in that a plurality of carbon fiber rods (331) are distributed at intervals in the elastic constraint layer (33) in a staggered layered manner, and a sleeve (332) capable of bending the carbon fiber rods (331) is sleeved on the carbon fiber rods (331).
7. An adaptive mold design system according to one of the preceding claims, characterized in that the control unit (4) is capable of controlling the lifting column (21) and the support adjusting component (24) to adjust the support height and the support angle in case of receiving the mold drawing parameters, and is further capable of synchronously controlling the magnetic attraction unit (311) corresponding to the point to be supported to generate the magnetic attraction force attracting the support adjusting component (2).
8. An adaptive mold design system according to one of the preceding claims, characterized in that the curve shaping unit (3) further comprises a surface film layer capable of providing a smooth and non-porous mold surface.
9. An adaptive mold design method is characterized by at least comprising the following steps:
receiving a CAD product drawing and modeling;
the control system (4) drives the support adjusting component (2) to adjust the position according to the coordinate parameters of each support point in the mould model obtained by analysis;
the curved surface forming unit (3) changes the plane plate body into a three-dimensional curved surface along with the movement of the supporting and adjusting assembly (2), so that a mold surface with a double curved surface shape is constructed.
10. An adaptive mould design method according to claim 9, characterized in that the adjustment of the support adjustment assembly (2) comprises the adjustment of its support height and support angle.
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