CN112318653B - Mould-free curved wood member processing system and processing method - Google Patents
Mould-free curved wood member processing system and processing method Download PDFInfo
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- CN112318653B CN112318653B CN202011042280.4A CN202011042280A CN112318653B CN 112318653 B CN112318653 B CN 112318653B CN 202011042280 A CN202011042280 A CN 202011042280A CN 112318653 B CN112318653 B CN 112318653B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27H—BENDING WOOD OR SIMILAR MATERIAL; COOPERAGE; MAKING WHEELS FROM WOOD OR SIMILAR MATERIAL
- B27H1/00—Bending wood stock, e.g. boards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/06—Softening or hardening of wood
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/006—Mixed reality
Abstract
The invention discloses a die-free curved wood member processing system and a die-free curved wood member processing method, wherein the processing system comprises an augmented reality assembly and a space bending device, and a positioning mark is arranged on the space bending device; the augmented reality component comprises a computer, a mobile device, and a head mounted recognition device; the processing system combines the space bending equipment with the complex space positioning capability through the augmented reality assembly, introduces the augmented reality technology, projects the complex curved surface form model information into the space bending equipment, realizes the space accurate positioning of the complex curved wood member, is used for guiding the bending of the curved wood member, replaces a mould in the curved wood processing, and effectively solves the problem that the curved wood member with the complex curve is difficult to accurately position. The processing method does not need to adopt a customized die, so that die materials are saved; the augmented reality technology is introduced, the space positioning capability is improved, a hyperbolic component and a component with torsion can be processed, and the processing capability of a complex special-shaped wood component is improved.
Description
Technical Field
The invention relates to a die-free curved wood member processing system and a die-free curved wood member processing method, and belongs to the technical field of wood processing.
Background
The curved wood members can be mainly classified into three types: single curve members, hyperbolic members without torsion, and hyperbolic members with torsion. The single-curve member can be directly produced by a wood bending machine, a board splicing machine and the like. At present, the single-curve curved wood is generally manufactured by two modes, one mode is that after the wood is softened, the wood is bent into a required curve shape under the action of external force, and the curve shape is dried and shaped; the second method is a forming gluing method, which utilizes a strong adhesive to assemble small-sized materials, fixes the blanks on a mould under the action of pressure, and shapes after the adhesive is dried. The two modes are only suitable for processing single-curve components, the mold needs to be customized according to the form of the component, and in non-repetitive production occasions, the mold is low in utilization efficiency, and material waste is caused. The special-shaped hyperbolic component still needs to be processed from the rough material by means of numerical control cutting technology. Cutting process needs to be removed unnecessary material layer by layer with the cutter, and machining efficiency reduces along with the increase of cutting volume, and the milling process can produce a large amount of saw-dusts simultaneously, and the material is extravagant serious, and cutting process can destroy the wood grain continuity moreover, cuts down component intensity greatly.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a mould-free curved wood member processing system and a mould-free curved wood member processing method, which can be used for realizing the spatial bending forming of a complex curved member without adopting a mould, effectively solving the problem that a hyperbolic member is difficult to accurately position, being beneficial to reducing the use of the mould in curved wood manufacturing, improving the processing capacity of a complex special-shaped wood member and reducing the material waste.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
a mould-free curved wood member processing system comprises an augmented reality assembly and a space bending device, wherein a positioning mark is arranged on the space bending device;
the augmented reality component comprises a computer, a mobile device, and a head mounted recognition device;
the computer is used for constructing a three-dimensional model of the target curved wood member and a three-dimensional model of the space bending equipment;
the mobile equipment can realize superposition and visual display of a three-dimensional model of a target curved wood member, a three-dimensional model of space bending equipment and a real environment of a processing system;
the head-mounted identification device can identify the positioning mark to realize position matching of the space bending device and a three-dimensional model of the space bending device;
the space bending equipment is used for twisting the curved wood member material according to the visual display result so as to realize the complete fitting of the curved wood member material and the target curved wood member three-dimensional model.
The positioning mark can be a two-dimensional code mark used for determining the space position of an object, the mobile device can be a mobile phone or a tablet computer, and the computer, the mobile device and the head-mounted identification device can be connected with each other through a wireless network.
As a further scheme of the invention, the space bending equipment comprises a motion mechanism, a driving mechanism and a clamping mechanism, wherein the motion mechanism is used for drawing the curved wood member material to perform space movement and torsion, the driving mechanism is used for driving the motion mechanism to move, and the clamping mechanism is used for clamping the curved wood member material and can adjust the distance.
As a further preferable scheme of the present invention, the spatial bending apparatus further comprises a frame mechanism as an integral supporting structure, the frame mechanism comprises an integrated base, a plurality of frame units with identical truss structures are fixed on the base in parallel, and each frame unit comprises and is provided with a rectangular frame to connect and support the movement mechanism and the driving mechanism.
The movement mechanism comprises vertical guide rails, a transverse shaft, transverse guide rails and movement sliders, the vertical guide rails are fixed on two sides of the rectangular frame to provide vertical sliding rails, the transverse shaft is connected with the vertical guide rails in a sliding mode, the transverse guide rails are installed on the transverse shaft to provide transverse sliding rails, and the movement sliders are connected with the transverse guide rails in a sliding mode.
The driving mechanism comprises a vertical screw and a transverse screw, the vertical screw is fixedly connected with the transverse shaft to drive the transverse shaft to slide along the vertical guide rail, the transverse screw is fixedly connected with the moving slider to drive the moving slider to slide along the transverse guide rail, and the end parts of the vertical screw and the transverse screw are respectively provided with a vertical knob and a transverse knob of the driving screw. Vertical screw rod can be the eave on rectangular frame in sliding connection, and horizontal screw rod can sliding connection in the cross axle side to improve screw rod operating stability.
Fixture includes horizontal rotation piece and pendulum module, horizontal rotation piece rotates with the motion slider through vertical pivot to be connected, and the pendulum module rotates with horizontal rotation piece through horizontal rotation axle to be connected, still be equipped with the arc spout on the horizontal rotation piece, make the pendulum module of hanging fix the angle through fixing on the arc spout, can use fastening screw etc. to fix, the pendulum module of hanging is including the punch holder, lower plate and two side splints that are used for fixed material.
The side splint is provided with a plurality of notches for the lower splint to insert and fix the material thickness with the interval of adjusting two upper and lower splint, all be equipped with horizontal spout on upper splint and the lower splint and make the side splint slide along it to adjust the side splint interval, all be equipped with the locating part on upper splint and the lower splint with fixed side splint position, adjust both sides splint interval. The limiting part can be a fastening screw or a horizontal stop block.
A method for processing a mould-free curved wood member, which comprises the following steps:
establishing a three-dimensional model of a target curved wood member and a three-dimensional model of space bending equipment through a computer, and determining the relative positions of the three-dimensional model of the target curved wood member and the three-dimensional model of the space bending equipment when the bending of the target curved wood member is finished;
the superposition and visual display of the target curved wood member three-dimensional model, the space bending equipment three-dimensional model and the real environment of the processing system are realized through mobile equipment;
setting a positioning mark on the space bending equipment, and adding the positioning mark at a corresponding position of a three-dimensional model of the space bending equipment;
putting a curved wood member material to be processed into space bending equipment, and adjusting a clamping mechanism of the space bending equipment according to the size of a target curved wood member;
identifying a positioning mark on the space bending equipment through the head-mounted identification equipment, and completing the position matching of the three-dimensional model of the space bending equipment and the space bending equipment according to the positioning mark;
and observing the position of the curved wood member material according to the visual display result, twisting the member material to be processed through the space bending equipment according to the determined relative positions of the three-dimensional model of the target curved wood member and the three-dimensional model of the space bending equipment when the bending of the target curved wood member is finished, so that the curved wood member material is completely fitted with the three-dimensional model of the target curved wood member, and taking out the curved wood member material after the material is solidified.
In the method, the computer can perform modeling through three-dimensional modeling software, and then transmit the three-dimensional model to the mobile device and the head-mounted identification device through the wireless network, and the mobile device performs visualization of the three-dimensional model and the real environment through an application program (such as the Fologram software) matched with the head-mounted identification device.
The method further comprises the following steps: before the material of the component to be processed is placed into the space bending equipment, the material of the component to be processed is subjected to softening treatment, and the softening treatment can be steam treatment or chemical soaking treatment.
Compared with the prior art, the invention has the following beneficial effects:
according to the processing system, the augmented reality technology is introduced by combining the augmented reality assembly with the space bending equipment with the complex space positioning capability, and the complex curved surface form model information is projected into the space bending equipment, so that the space accurate positioning of the complex curved wood member can be realized, the processing system is used for guiding the bending of the curved wood member, a mould in curved wood processing is replaced, and the problem that the curved wood member with the complex curve is difficult to accurately position is effectively solved.
According to the processing method, a customized die is not needed in the processing process of the curved wood member, so that die materials are saved; the augmented reality technology is introduced, the space positioning capability is improved, a hyperbolic component and a component with torsion can be processed, and the defects of the existing curved wood processing equipment such as a curved wood machine and a board splicing machine in the processing capability of the hyperbolic component are overcome; compared with a cutting processing mode of the curved wood, the method has the advantages of high material utilization rate and reduction of material waste.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a moldless curved wood member processing system according to the present invention.
Fig. 2 is a schematic structural view of a frame unit in the processing system according to the embodiment.
Fig. 3 is a schematic structural view of a clamping mechanism in the processing system according to the embodiment.
In the figure: 1-computer, 2-space bending equipment, 3-mobile equipment, 4-head-mounted identification equipment, 5-positioning mark, 6-transverse knob, 7-vertical knob, 8-vertical screw, 9-transverse screw, 10-frame unit, 11-base, 12-vertical guide rail, 13-transverse shaft, 14-transverse guide rail, 15-motion sliding block, 16-horizontal rotation block, 17-curved wood member material, 18-vertical rotation shaft, 19-horizontal rotation shaft, 20-suspension module, 201-upper clamping plate, 202-lower clamping plate, 203-side clamping plate, 204-notch, 205-limiting part, 21-arc chute and 22-fastening screw.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
According to the system for processing the mould-free curved wood member shown in the figures 1 and 2, the system comprises an augmented reality assembly and a space bending device 2, wherein a two-dimensional code positioning mark 5 is arranged on the space bending device 2; the augmented reality component comprises a computer 1, a mobile device 3 and a head-mounted identification device 4 which are connected with each other through a wireless network; the computer 1 is used for constructing a three-dimensional model of a target curved wood member and a three-dimensional model of space bending equipment; the mobile equipment 3 is a mobile phone or a tablet personal computer, and can realize superposition and visual display of a three-dimensional model of a target curved wood member, a three-dimensional model of space bending equipment and a real environment of a processing system; the head-mounted recognition device 4 can recognize the positioning mark so as to realize the position matching of the space bending device 2 and the three-dimensional model of the space bending device; the space bending equipment 2 is used for twisting the curved wood member material 17 according to a visual display result so as to realize complete fitting of the curved wood member material 17 and a target curved wood member three-dimensional model.
This embodiment the space equipment of buckling 2 includes motion, actuating mechanism and fixture, motion is used for drawing bent wood component material 17 and carries out space movement and torsion, actuating mechanism is used for the actuating motion to remove, fixture is used for the bent wood component material 17 of centre gripping and can the spacing of adjusting. The space bending equipment 2 further comprises a frame mechanism as an integral supporting structure, the frame mechanism comprises an integrated base 11, a plurality of frame units 10 with identical truss structures are fixed on the base 11 in parallel, and each frame unit 10 comprises and is provided with a rectangular frame for connecting and supporting the movement mechanism and the driving mechanism.
The moving mechanism comprises vertical guide rails 12, a transverse shaft 13, transverse guide rails 14 and moving sliders 15, wherein the vertical guide rails 12 are fixed on two sides of a rectangular frame to provide vertical sliding tracks, the transverse shaft 13 is in sliding connection with the vertical guide rails 12, the transverse guide rails 14 are installed on the transverse shaft 13 to provide transverse sliding tracks, and the moving sliders 15 are in sliding connection with the transverse guide rails 14.
The driving mechanism comprises a vertical screw 8 and a transverse screw 9, the vertical screw 8 is fixedly connected with a transverse shaft 13 to drive the transverse shaft 13 to slide along a vertical guide rail 12, the transverse screw 9 is fixedly connected with a moving slider 15 to drive a moving slider 15 to slide along a transverse guide rail 14, and the end parts of the vertical screw 8 and the transverse screw 9 are respectively provided with a vertical knob 7 and a transverse knob 6 for driving the screws. Vertical screw 8 sliding connection is eaves on the rectangle frame, and horizontal screw 9 sliding connection is in the side of cross axle 13 to improve screw rod operating stability.
The clamping mechanism comprises a horizontal rotating block 16 and a suspended pendulum module 20, wherein the horizontal rotating block 16 is rotatably connected with a moving sliding block 15 through a vertical rotating shaft 18, the suspended pendulum module 20 is rotatably connected with the horizontal rotating block 16 through a horizontal rotating shaft 19, an arc sliding groove 21 is further formed in the horizontal rotating block 16, the suspended pendulum module 20 is fixed on the arc sliding groove 21 through a fastening screw 22 to fix an angle, and the suspended pendulum module 20 comprises an upper clamping plate 201, a lower clamping plate 202 and two side clamping plates 203 which are used for fixing materials. Be equipped with a plurality of notches 204 on the side splint 203 and supply the lower splint 202 to insert and fix material thickness with the interval of adjusting two upper and lower splint, all be equipped with horizontal spout on upper splint 201 and the lower splint 202 and make the side splint 203 slide along it to adjust the side splint 203 interval, all be equipped with locating part 205 on upper splint 201 and the lower splint 202 with fixed side splint 203 position, adjust both sides splint 203 interval. The limiting member 205 on the upper clamp plate 201 is a fastening screw, and the limiting member 205 on the lower clamp plate 202 is a horizontal stop.
Example 2
A method of processing a mould-free curved wood member, using the processing system of embodiment 1, wherein the material to be processed is in the form of softened solid wood square stock, and the cross-section of the member is 100mm × 100mm, the method comprising the steps of:
establishing a three-dimensional model of a target curved wood member and a three-dimensional model of space bending equipment on three-dimensional modeling software of a computer 1, and determining the relative positions of the three-dimensional model of the target curved wood member and the three-dimensional model of the space bending equipment when the bending of the target curved wood member is finished; and arranging a two-dimensional code positioning mark 5 on the space bending equipment 2, and adding a positioning mark at a corresponding position of a three-dimensional model of the space bending equipment.
And aligning each moving slide block 15 on the space bending equipment 2, and adjusting the clamping mechanism on the moving slide block 15 to be in an initial state to naturally droop. The splint spacing was adjusted to 105mm x 105mm according to the target member size and fastened. The pre-treated curved wood member material 17 is threaded into the clamping mechanism.
The two three-dimensional models are transmitted from the computer 1 to the head mounted identification device 4 and the mobile device 3 via a wireless network. The superposition of the two three-dimensional models and the real environment of the processing system is realized through Fologram software in the mobile equipment 3, and visual display is carried out; the head-mounted identification device 4 identifies the two-dimensional code positioning marks 5 on the space bending device 2, and the matching of the three-dimensional model of the space bending device and the space bending device 2 is completed according to the positioning marks.
Observing the position of the curved wood member material 17 according to a visual display result, moving the spatial position of the curved wood member material 17 by gradually rotating the vertical knob 7 and the horizontal knob 6 according to the determined relative positions of the three-dimensional model of the target curved wood member and the three-dimensional model of the spatial bending equipment when the bending of the target curved wood member is finished, and simultaneously adjusting the dangling angle of the dangling module 20 to twist the curved wood member material 17, so that the curved wood member material 17 gradually approaches to the three-dimensional model of the target curved wood member until the curved wood member material 17 is completely fitted with the three-dimensional model of the target curved wood member, opening the clamping mechanism after the material is solidified, taking out, polishing and grinding the bent and formed curved wood member material 17, and finishing member processing.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The mould-free curved wood member processing system is characterized by comprising an augmented reality assembly and a space bending device (2), wherein a positioning mark (5) is arranged on the space bending device (2);
the augmented reality assembly comprises a computer (1), a mobile device (3) and a head mounted identification device (4);
the computer (1) is used for constructing a three-dimensional model of a target curved wood member and a three-dimensional model of space bending equipment;
the mobile equipment (3) can realize superposition and visual display of a three-dimensional model of a target curved wood member, a three-dimensional model of space bending equipment and a real environment of a processing system;
the head-mounted recognition device (4) can recognize the positioning mark (5) so as to realize the position matching of the space bending device (2) and the three-dimensional model of the space bending device;
the space bending equipment (2) is used for twisting the curved wood member material according to a visual display result so as to realize complete fitting of the curved wood member material and a target curved wood member three-dimensional model;
the spatial bending equipment (2) comprises a motion mechanism, a driving mechanism and a clamping mechanism, wherein the motion mechanism is used for drawing the curved wood member material to perform spatial movement and torsion, the driving mechanism is used for driving the motion mechanism to move, and the clamping mechanism is used for clamping the curved wood member material and can adjust the distance;
the spatial bending equipment (2) further comprises a frame mechanism as an integral supporting structure, the frame mechanism comprises an integrated base (11), a plurality of frame units (10) with the same structure are fixed on the base (11) in parallel, and each frame unit (10) comprises a rectangular frame for connecting and supporting the movement mechanism and the driving mechanism.
2. The mould-free curved wood component processing system according to claim 1, wherein the moving mechanism comprises vertical guide rails (12), a transverse shaft (13), a transverse guide rail (14) and a moving slide block (15), the vertical guide rails (12) are fixed on two sides of the rectangular frame, the transverse shaft (13) is slidably connected with the vertical guide rails (12), the transverse guide rail (14) is installed on the transverse shaft (13), and the moving slide block (15) is slidably connected with the transverse guide rail (14).
3. The mould-free curved wood member processing system according to claim 2, wherein the driving mechanism comprises a vertical screw (8) and a transverse screw (9), the vertical screw (8) is fixedly connected with a transverse shaft (13) to drive the transverse shaft (13) to slide along a vertical guide rail (12), the transverse screw (9) is fixedly connected with a moving slider (15) to drive a moving slider (15) to slide along a transverse guide rail (14), and a vertical knob (7) and a transverse knob (6) of the driving screw are respectively arranged at the ends of the vertical screw (8) and the transverse screw (9).
4. The mould-free curved wood member processing system according to claim 3, wherein the clamping mechanism comprises a horizontal rotating block (16) and a suspended swing module (20), the horizontal rotating block (16) is rotatably connected with the moving slide block (15) through a vertical rotating shaft (18), the suspended swing module (20) is rotatably connected with the horizontal rotating block (16) through a horizontal rotating shaft (19), an arc-shaped sliding groove (21) is further formed in the horizontal rotating block (16), the suspended swing module (20) is fixed on the arc-shaped sliding groove (21) to fix an angle, and the suspended swing module (20) comprises an upper clamping plate (201), a lower clamping plate (202) and two side clamping plates (203) which are used for fixing materials.
5. The mould-free curved wood member processing system according to claim 4, wherein a plurality of notches (204) are formed on the side clamping plates (203) for the lower clamping plate (202) to be inserted into so as to adjust the distance between the upper clamping plate and the lower clamping plate, horizontal sliding grooves are formed on the upper clamping plate (201) and the lower clamping plate (202) so that the side clamping plates (203) can slide along the horizontal sliding grooves so as to adjust the distance between the side clamping plates (203), and a limiting piece (205) is formed on each of the upper clamping plate (201) and the lower clamping plate (202) so as to fix the position of the side clamping plates (203).
6. A method for processing a mould-free curved wood member is characterized by comprising the following steps:
establishing a three-dimensional model of a target curved wood member and a three-dimensional model of space bending equipment through a computer (1), and determining the relative positions of the three-dimensional model of the target curved wood member and the three-dimensional model of the space bending equipment when the bending of the target curved wood member is finished;
the superposition of a three-dimensional model of a target curved wood member, a three-dimensional model of a space bending device and a real environment of a processing system is realized through mobile equipment (3) and visual display is carried out;
setting a positioning mark on the space bending equipment (2), and adding the positioning mark at a corresponding position of a three-dimensional model of the space bending equipment;
putting a curved wood member material (17) to be processed into space bending equipment (2), and adjusting a clamping mechanism of the space bending equipment (2) according to the size of a target curved wood member;
identifying a positioning mark on the space bending equipment (2) through the head-mounted identification equipment (4), and completing the position matching of the three-dimensional model of the space bending equipment and the space bending equipment (2) according to the positioning mark;
and observing the position of the curved wood member material according to the visual display result, twisting the curved wood member material (17) through the space bending equipment (2) according to the determined relative positions of the target curved wood member three-dimensional model and the space bending equipment three-dimensional model when the bending of the target curved wood member is finished, so that the curved wood member material (17) is completely fitted with the target curved wood member three-dimensional model, and taking out the curved wood member material after the material is solidified.
7. The mold-less curved wood member processing method according to claim 6, wherein the method further comprises: before the curved wood member material to be processed is placed into the space bending equipment (2), the curved wood member material to be processed is softened.
8. The method of processing a moldless curved wooden member as claimed in claim 7, wherein the softening treatment is a steam treatment or a chemical soaking treatment.
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| CN112318653A (en) | 2021-02-05 |
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