CN110900756B - Solid wood bending equipment and process thereof - Google Patents
Solid wood bending equipment and process thereof Download PDFInfo
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- CN110900756B CN110900756B CN201911253789.0A CN201911253789A CN110900756B CN 110900756 B CN110900756 B CN 110900756B CN 201911253789 A CN201911253789 A CN 201911253789A CN 110900756 B CN110900756 B CN 110900756B
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- 239000002023 wood Substances 0.000 title claims abstract description 115
- 238000005452 bending Methods 0.000 title claims abstract description 28
- 239000007787 solid Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 101
- 239000002184 metal Substances 0.000 claims abstract description 96
- 238000003825 pressing Methods 0.000 claims abstract description 43
- 238000007731 hot pressing Methods 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 239000003973 paint Substances 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 239000002932 luster Substances 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229920002522 Wood fibre Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
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Classifications
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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
Abstract
The invention relates to a solid wood bending device and a process thereof, wherein the solid wood bending device comprises a rack, metal plates, a pressing device, two groups of heating plates and a driving piece; the upper surface of metal sheet is equipped with two sets of grip blocks, and when closing device pressed the metal sheet to level, two sets of grip blocks had enclosed with the metal sheet and has enclosed into jointly and placed the chamber. Firstly, pressing a metal plate to be flat through a pressing device, then sequentially arranging and placing a plurality of groups of woods in a placing cavity, then canceling the pressing of the pressing device on the metal plate, and clamping and fixing the woods through two groups of clamping plates; then the metal plate with the wood is placed between the two groups of heating plates, the driving piece drives the upper heating plate to descend and press the wood in the placing cavity, and at the moment, the metal plate and the wood are both pressed to be bent; and then, the wood is hot-pressed for a certain time through the two groups of heating plates, so that the wood can be bent and formed. The invention improves the utilization rate of wood, enhances the strength of curved parts, and ensures the texture, color and luster effect of the product surface and the paint coating quality.
Description
Technical Field
The invention relates to the technical field of solid wood bending, in particular to solid wood bending equipment and a process thereof.
Background
In traditional Chinese solid wood furniture products, in order to meet the requirements of use functions and aesthetic shapes, various curved members are often seen, such as chair rings, backrest plates, armrests, head rests, upper bars, legs and feet of chair solid wood furniture, which relate to the application of the curved members and are mostly linear curved members. The curved members of solid wood furniture are much more complex to process than the straight members.
The conventional bending process of the solid wood square timber is not suitable for pressing and bending the solid wood square timber into required curved parts, so that in the actual production of the curved parts of the existing solid wood furniture, chair rings, back boards, armrests, lap joints, upper connecting rods, legs, feet and other curved parts in the chair furniture are manufactured, and the traditional sawing method is still adopted, so that the solid wood square timber is usually required to be sawn into curved blanks by a joinery band saw or a wire saw after burdening and scribing, and then the curved blanks are milled and cleaned to be processed into the parts.
However, when solid wood is processed by this method, since a large amount of wood fibers are cut in the transverse direction, the strength of curved parts is reduced, and the curved surface is rough and difficult to paint, so that improvement is required.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide solid wood bending equipment, which improves the utilization rate of wood, enhances the strength of curved parts and ensures the texture, color and luster effect of the surface of a product and the paint coating quality.
The above object of the present invention is achieved by the following technical solutions: a solid wood bending device comprises a rack, metal plates arranged in an arc shape, a pressing device used for pressing the metal plates to be flat, two groups of heating plates which are arranged at intervals from top to bottom and are both in an arc shape, and a driving piece used for driving the heating plates at the upper side to lift; the upper surface of the metal plate is provided with two groups of clamping plates, and when the metal plate is pressed to be flat by the pressing device, the two groups of clamping plates and the metal plate jointly enclose a placing cavity for placing a plurality of groups of wood in an arrangement manner; two sets of hot plates are respectively attached to the lower surface of the metal plate and the wood in the placing cavity.
By adopting the technical scheme, the metal plate is pressed to be flat by the pressing device, and at the moment, the two groups of clamping plates and the metal plate form a placing cavity together in a surrounding manner; then arranging and placing a plurality of groups of woods in the placing cavity in sequence, and enabling adjacent woods to be attached to each other; then, the pressing device is cancelled to press the metal plate, and the metal plate can cause the two groups of clamping plates to clamp and fix the wood due to the self restoring force; then the metal plate with the wood is placed between the two groups of heating plates, the driving piece drives the upper heating plate to descend and press the wood in the placing cavity, and at the moment, the metal plate and the wood are both pressed to be bent; because of the mutual adhesion between the adjacent woods and the clamping of the two groups of clamping plates on the woods, the woods are not easy to shift when being bent, and the bending quality of the woods is improved.
The wood can be bent and formed by hot-pressing the wood for a certain time through the two groups of heating plates, the equipment does not need to cut the wood, the utilization rate of the wood is improved, and the texture, color and luster effect and the paint coating quality of the surface of a product are ensured; and the heating plate can continuously maintain pressure and heat the wood, so that the wood is bent to an appointed radian, the humidity of the wood is reduced to 8% -12%, the internal stress of the wood is extremely small, the wood has long service life, is moisture-resistant, is not easy to deform, has high strength, and can reach more than 5 times of that of common plate-type furniture.
The present invention in a preferred example may be further configured to: the compressing device comprises a workbench for placing the metal plate, two sets of pressing plates arranged in an L shape, a first hydraulic cylinder and a second hydraulic cylinder, wherein the first hydraulic cylinder and the second hydraulic cylinder are respectively arranged on two sides of the metal plate, the two sets of pressing plates comprise integrally formed and mutually perpendicular connecting parts and compressing parts, the two sets of connecting parts are respectively fixedly connected to a piston rod of the first hydraulic cylinder and a piston rod of the second hydraulic cylinder, and the two sets of compressing parts are respectively compressed on the upper surface of the metal plate.
Through adopting above-mentioned technical scheme, at the in-process that flattens of metal sheet, place the workstation with the metal sheet earlier on, the first pneumatic cylinder of rethread and second pneumatic cylinder drive two sets of portions that compress tightly all compress tightly in the upper surface of metal sheet for the metal sheet is pressed to leveling, can arrange multiunit timber in proper order this moment and place placing the intracavity.
The present invention in a preferred example may be further configured to: the heating plates are sequentially provided with a plurality of groups along the vertical direction, the heating plate positioned at the lowest side is fixed on the rack, and the rack is provided with a linkage assembly for driving the rest heating plates to synchronously lift.
By adopting the technical scheme, because the heating plates are provided with a plurality of groups, the metal plates filled with the wood can be placed between every two adjacent groups of heating plates, thereby realizing the mass processing of the wood; and the linkage assembly can drive the two adjacent groups of heating plates to synchronously lift, so that the metal plate is placed between the two adjacent groups of heating plates or taken out from the two adjacent groups of heating plates.
The present invention in a preferred example may be further configured to: the linkage assembly comprises a plurality of fixed plates fixed on the corresponding other heating plates and a plurality of penetrating pieces penetrating through the two adjacent groups of fixed plates, and both ends of each penetrating piece are provided with limiting pieces; when the driving member drives the other heating plates to synchronously ascend, all the limiting members are abutted against the lower surfaces of the corresponding fixing plates.
By adopting the technical scheme, when the driving part drives the heating plate at the uppermost side to continuously rise, the lower side limiting parts on all the penetrating parts sequentially abut against the lower surfaces of the corresponding fixed plates, and at the moment, the limiting parts drive the corresponding fixed plates and the heating plates to rise, so that the synchronous rising of a plurality of groups of heating plates is realized, and the metal plate can be taken out from between two adjacent groups of heating plates; when the driving piece drives the heating plate on the uppermost side to continuously descend, all the heating plates are pressed against the corresponding metal plates due to self gravity, and when the heating plate on the uppermost side is pressed against wood, the heating plate in the middle is sunk, so that the wood is bent.
The present invention in a preferred example may be further configured to: the driving piece is a third hydraulic cylinder fixed on the rack, and a piston rod of the third hydraulic cylinder extends in the vertical direction and is fixedly connected to the heating plate at the uppermost side; all wear to establish the piece and be first screw rod, all locating parts are the first nut of screw-thread fit in first screw rod.
By adopting the technical scheme, the third hydraulic cylinder can drive the heating plates to lift so as to place the metal plate between the two adjacent groups of heating plates or take the metal plate out of the two adjacent groups of heating plates; because of the setting of first screw rod and first nut, the workman can freely change the quantity of hot plate as required to can be applicable to the timber of simultaneous processing different quantity.
In the process of increasing the heating plates, all the heating plates are driven to be mutually attached through the driving piece, and then the first nuts on all the first screw rods are adjusted, so that the distance between two groups of first nuts on the same first screw rod is reduced; then drive all the other hot plates through the driving piece and rise in step, because of the interval of two sets of first nuts on same first screw rod is less, so the interval between the adjacent hot plate is also less, and the interval between two sets of hot plates that lie in the downside will be great, therefore the workman can be new the hot plate install between two sets of hot plates of downside.
In the reducing process of the heating plates, all the heating plates are driven to be mutually attached through the driving piece, then all the first nuts on the heating plates needing to be disassembled are taken down, and then the driving piece drives the other heating plates to synchronously ascend, and at the moment, the heating plates with the first nuts disassembled can be taken out; and then the driving part drives the residual heating plates to be mutually attached, and the first nuts on all the first screw rods are adjusted, so that the distance between two groups of first nuts on the same first screw rod is increased, and the metal plate filled with wood is conveniently put into the screw.
The invention also aims to provide a process of the solid wood bending equipment, which improves the utilization rate of wood, enhances the strength of curved parts and components, and ensures the texture, color and luster effect of the product surface and the paint coating quality.
The above object of the present invention is achieved by the following technical solutions: the process of the solid wood bending equipment comprises the following steps:
s1, placing the metal plate on a workbench, driving the pressing plates to descend through the first hydraulic cylinder and the second hydraulic cylinder, and pressing the two groups of pressing plates on the metal plate to enable the metal plate to be pressed to be flat;
s2, sequentially arranging and placing a plurality of groups of woods in the placing cavity, and enabling adjacent woods to be mutually attached;
s3, the two groups of pressing plates are not pressed tightly, and the metal plate with wood is placed between the two adjacent groups of heating plates;
s4, repeating the steps S2 and S3, and placing metal plates filled with wood between every two adjacent groups of heating plates;
s5, driving the heating plate at the top to descend through a third hydraulic cylinder, so that all the heating plates descend and are pressed on the wood on the metal plate at the lower side of the heating plates until all the heating plates are completely attached to the wood on the metal plate at the lower side of the heating plates;
s6, hot-pressing the wood for 0.5-1.5 hours, wherein the hot-pressing temperature is 160-180 ℃.
By adopting the technical scheme, the clamping installation of wood is realized, the stability of the wood is ensured, the hot-pressing bending and shaping of the wood are realized, the wood is not required to be milled or cleaned, the utilization rate of the wood is improved, the strength of curve-shaped parts is enhanced, and the texture, color and luster effect of the surface of a product and the paint coating quality are ensured.
The present invention in a preferred example may be further configured to: in step S6, the hot pressing time was 1 hour, and the hot pressing temperature was 160 ℃.
By adopting the technical scheme, the humidity of the wood is reduced to 8% -12%, the internal stress of the wood is extremely small, the wood has long service life, is moisture-resistant, is not easy to deform, has high strength, and can reach more than 5 times of that of common plate-type furniture.
The present invention in a preferred example may be further configured to: in step S6, the hot pressing time was 0.5 hours and the hot pressing temperature was 180 ℃.
By adopting the technical scheme, the humidity of the wood is reduced to 8% -12%, the internal stress of the wood is extremely small, the wood has long service life, is moisture-resistant, is not easy to deform, has high strength, and can reach more than 5 times of that of common plate-type furniture.
In summary, the invention has the following beneficial technical effects:
1. the arrangement of the metal plate, the pressing device, the heating plate, the driving piece and the clamping plate ensures that the wood is clamped and fixed in the placing cavity, the wood is not easy to shift when being bent, the bending quality of the wood is improved, the wood is directly bent and formed without cutting the wood, the utilization rate of the wood is improved, and the texture, color and luster effect of the surface of a product and the paint coating quality are ensured;
2. the linkage assembly can drive the two adjacent groups of heating plates to synchronously lift, so that the metal plate can be conveniently placed between the two adjacent groups of heating plates or taken out from between the two adjacent groups of heating plates, and the large-batch processing of wood is realized;
3. the quantity of hot plate can freely be changed as required to the setting of first screw rod and first nut to can be applicable to the timber of simultaneous processing different quantity.
Drawings
FIG. 1 is a schematic view showing the structure of a metal plate and a pressing device in an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of a compacting apparatus according to an embodiment of the invention;
FIG. 3 is a schematic structural view of a mounting structure on a rack in an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a linkage assembly in an embodiment of the present invention.
Reference numerals: 1. a frame; 11. heating plates; 12. a third hydraulic cylinder; 13. a column; 14. a connecting plate; 15. a collar; 16. a bolt; 2. a metal plate; 21. a clamping plate; 22. a placement chamber; 23. mounting a plate; 24. a second screw; 25. a second nut; 3. a pressing device; 31. a work table; 32. pressing a plate; 321. a connecting portion; 322. a pressing part; 33. a first hydraulic cylinder; 34. a second hydraulic cylinder; 35. a chute; 4. a linkage assembly; 41. a fixing plate; 42. a first screw; 43. a first nut; 44. a reinforcing plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows: as shown in fig. 1 and 3, a solid wood bending apparatus comprises a frame 1, a metal plate 2, a pressing device 3, a conveyor belt, a linkage assembly 4, a plurality of heating plates 11 arranged in sequence from top to bottom, and a driving member located above the heating plates 11; the upper surface of the metal plate 2 is provided with two groups of clamping plates 21, the pressing device 3 can press the metal plate 2 to be flat, at the moment, the two groups of clamping plates 21 and the metal plate 2 jointly enclose a placing cavity 22, and a worker can arrange and place wood in the placing cavity 22; when the pressing device 3 is cancelled to press the metal plate 2, the two groups of clamping plates 21 are clamped on the wood together; then the conveyer belt (not shown in the figure) will be carried metal sheet 2 to hot plate 11 department, and linkage assembly 4 can drive all metal sheets 2 and go up and down in step to the workman all places the metal sheet 2 that is equipped with timber between all adjacent two sets of hot plates 11, then drives the hot plate 11 of the top through the driving piece and pushes down, makes all hot plates 11 all compress tightly the timber on its downside metal sheet 2, thereby with timber bending forming. The wood of this patent has been subjected to a steam softening treatment before being mounted on the metal plate 2, so that it is not easily broken when it is bent.
As shown in fig. 1 and 2, two sets of mounting plates 23 are fixed on the metal plate 2, two sets of clamping plates 21 are arranged between the two sets of mounting plates 23, and a plurality of second screws 24 penetrating through the corresponding fixing plates 41 are fixed on the two sets of clamping plates 21, so that the distance between the two sets of clamping plates 21 can be finely adjusted according to needs, and even if an error exists during wood cutting, the two sets of clamping plates 21 can still clamp the wood; all the second screw rods 24 are in threaded fit with two groups of second nuts 25, and the two groups of second nuts 25 on each second screw rod 24 are clamped on the corresponding mounting plate 23 together, so that the clamping plate 21 is locked and fixed on the mounting plate 23, and the clamping effect of the clamping plate 21 on the wood board is ensured.
As shown in fig. 1 and 2, the pressing device 3 includes a worktable 31 and two sets of pressing plates 32 arranged in an "L" shape, and each set of pressing plates 32 includes a connecting portion 321 and a pressing portion 322 which are integrally formed and perpendicular to each other; the two sides of the metal plate 2 are respectively provided with a plurality of first hydraulic cylinders 33 and second hydraulic cylinders 34, and the two sets of connecting parts 321 are respectively fixedly connected to piston rods of the first hydraulic cylinders 33 and piston rods of the second hydraulic cylinders 34. After the metal plate 2 is placed on the worktable 31, the first hydraulic cylinder 33 and the second hydraulic cylinder 34 drive the connecting part 321 to descend, so that the two groups of pressing parts 322 press tightly on the upper surface of the metal plate 2, and the metal plate 2 is pressed to be flat.
As shown in fig. 1 and fig. 2, all the second hydraulic cylinders 34 are fixed on the worktable 31, the worktable 31 is provided with a plurality of sliding chutes 35, and the connecting portions 321 on the piston rods of the first hydraulic cylinders 33 are rotatably embedded in the corresponding sliding chutes 35; all the first hydraulic cylinders 33 are rotatably connected to the workbench 31, and the friction force between the first hydraulic cylinders 33 and the workbench 31 is large, so that the first hydraulic cylinders 33 are not easy to rotate under the condition of no external force pushing; all runners 35 extend in a direction parallel to the plane of rotation of the first hydraulic cylinder 33. Therefore, when the first hydraulic cylinder 33 rotates, the distance between the connecting portion 321 on the piston rod of the first hydraulic cylinder 33 and the connecting portion 321 on the piston rod of the second hydraulic cylinder 34 changes, so that the pressing device 3 can press metal plates 2 of different specifications.
As shown in fig. 3 and 4, the driving member is a third hydraulic cylinder 12 fixed on the frame 1, the third hydraulic cylinders 12 are provided with a plurality of sets on the frame 1, and piston rods of all the third hydraulic cylinders 12 extend in the vertical direction and are fixedly connected to the uppermost heating plate 11; the heating plate 11 located at the lowermost side is fixed to the frame 1. The linkage assembly 4 includes a plurality of fixed plates 41 fixed on the corresponding other heating plates 11 and a plurality of penetrating members penetrating through the adjacent two groups of fixed plates 41, the fixed plates 41 are all provided with four groups on the other heating plates 11, all the penetrating members are first screw rods 42, the two ends of all the first screw rods 42 are in threaded fit with limiting members, and all the limiting members are first nuts 43.
When the third hydraulic cylinder 12 drives the heating plate 11 at the uppermost side to continuously rise, the lower first nuts 43 on all the first screws 42 sequentially abut against the lower surfaces of the corresponding fixing plates 41, and at the moment, the nuts drive the corresponding fixing plates 41 and the heating plates 11 to rise, so that the synchronous rising of the multiple groups of heating plates 11 is realized, and the metal plate 2 is taken out from between the two adjacent groups of heating plates 11; when the third pneumatic cylinder 12 drives the hot plate 11 of the top to continuously descend, all hot plates 11 will compress tightly in corresponding metal sheet 2 because of self gravity, and when the hot plate 11 of the top was treated to compress tightly in timber, the hot plate 11 that is located in the middle all will sink to make timber by the bending.
As shown in fig. 3 and 4, reinforcing plates 44 arranged in a triangular shape are fixed on all the fixing plates 41, and all the reinforcing plates 44 are fixed on the corresponding heating plates 11, so that the fixing plates 41 are not easy to bend; four vertical columns 13 extending in the vertical direction are fixed on the frame 1, two groups of connecting plates 14 are fixed on two sides of all heating plates 11 above the heating plate 11 at the lowest side, and lantern rings 15 which are sleeved on the corresponding vertical columns 13 in a sliding manner are arranged on all the connecting plates 14, so that the stability of the heating plate 11 in the lifting process is improved. All the lantern rings 15 include two groups of semi-rings hinged to each other, and the two groups of semi-rings included in each lantern ring 15 are locked and fixed on the corresponding connecting plates 14 through a plurality of bolts 16, so that the lantern rings 15 can be conveniently mounted and dismounted on the upright posts 13.
When the lantern ring 15 and the nut on the heating plate 11 are taken down, the heating plate 11 can be disassembled; when the collars 15 of the new heating plate 11 are mounted to the columns 13 and the connection plates 14 and the screws are mounted to the fixing plates 41, the new heating plate 11 is mounted to the frame 1, thereby allowing a worker to freely change the number of the heating plates 11 as desired.
As shown in fig. 3, all the heating plates 11 are hollow and have heat conducting oil, and all the heating plates 11 are internally provided with electric heating tubes (not shown in the figure) which are connected with an external power supply, so that after the heat conducting oil is heated by the electric heating tubes, the heat conducting oil can uniformly transfer heat to the heating plates 11, thereby enabling the heating plates 11 to continuously heat and press wood, and improving the bending quality of the wood.
The implementation principle of the embodiment is as follows: firstly, the metal plate 2 is placed on the workbench 31, then the first hydraulic cylinder 33 is rotated to a proper position according to the specification of the metal plate 2, and then the two groups of pressing parts 322 are driven by the first hydraulic cylinder 33 and the second hydraulic cylinder 34 to be pressed tightly on the upper surface of the metal plate 2 in a pressure equalizing manner, so that the metal plate 2 is pressed to be flat; then, a plurality of groups of wood are sequentially arranged in the placing cavity 22, and adjacent wood are tightly attached to each other.
Then, the two groups of clamping plates 21 are slid to enable the two groups of clamping plates 21 to be clamped on the wood together, and the clamping plates 21 are locked and fixed on the mounting plate 23 through second nuts 25, so that the wood is clamped and fixed in the placing cavity 22; then, the heating plate 11 at the uppermost side is driven to ascend through the third hydraulic cylinder 12, the first nuts 43 at the lower sides of all the first screws 42 sequentially abut against the lower surfaces of the corresponding fixing plates 41, the first nuts 43 drive the corresponding fixing plates 41 and the heating plate 11 to ascend, and at the moment, the metal plate 2 with wood can be placed between the two adjacent groups of heating plates 11.
When all being equipped with metal sheet 2 between adjacent two sets of hot plates 11, rethread third pneumatic cylinder 12 drives hot plate 11 of the top side and continues to descend, and all hot plates 11 will compress tightly the timber on corresponding metal sheet 2 because of self gravity, and when treating that hot plate 11 of the top side compresses tightly in timber, hot plate 11 that is located the centre all will sink to make timber by the buckling. Because adjacent woods are attached tightly, and the two groups of clamping plates 21 are clamped on the woods together, the woods are not easy to deviate when being bent, and the bending quality of the woods is improved.
The wood can be bent and formed by hot-pressing the wood for a certain time through the two groups of heating plates 11, the equipment does not need to cut the wood, the utilization rate of the wood is improved, and the texture, color and luster effect and the paint coating quality of the surface of a product are ensured; and the heating plate 11 can continuously maintain pressure and heat the wood, so that the wood is bent to an appointed radian, the humidity of the wood is reduced to 8% -12%, the internal stress of the wood is extremely small, the wood has long service life, is moisture-resistant, is not easy to deform, has high strength, and can reach more than 5 times of that of common panel furniture.
Example two: the process of the solid wood bending equipment comprises the following steps:
s1, firstly, placing the metal plate 2 on the workbench 31, then rotating the first hydraulic cylinder 33 to a proper position according to the specification of the metal plate 2, then driving the pressing plates 32 to descend through the first hydraulic cylinder 33 and the second hydraulic cylinder 34, and pressing the two groups of pressing plates 32 on the metal plate 2 to enable the metal plate 2 to be pressed to be flat;
s2, sequentially arranging and placing a plurality of groups of woods in the placing cavity 22, enabling the adjacent woods to be mutually attached, clamping the woods through the two groups of clamping plates 21, and locking and fixing the clamping plates 21 on the mounting plate 23 through the second nuts 25;
s3, the two groups of pressing plates 32 are not pressed on the metal plate 2, and the metal plate 2 filled with wood is placed between the two adjacent groups of heating plates 11;
s4, repeating the steps S2 and S3, and placing the metal plates 2 filled with wood between all the two adjacent groups of heating plates 11;
s5, driving the heating plate 11 at the uppermost side to descend through the third hydraulic cylinder 12, so that all the heating plates 11 descend and are pressed on the wood on the metal plate 2 at the lower side until all the heating plates 11 are completely attached to the wood on the metal plate 2 at the lower side;
s6, hot-pressing the wood for 0.5-1.5 hours, wherein the hot-pressing temperature is 160-180 ℃.
In step S6, the hot pressing time is 1 hour, the hot pressing temperature is 160 ℃, or the hot pressing time is 0.5 hour, the hot pressing temperature is 180 ℃, and the humidity of the wood bent by this way is reduced to 8% -12%, at this time, the internal stress of the wood is very small, the service life is long, the wood is moisture-proof, the wood is not easy to deform, the strength is high, and can reach more than 5 times of that of the common panel furniture.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A solid wood bending device is characterized in that: the device comprises a rack (1), metal plates (2) arranged in an arc shape, a pressing device (3) for pressing the metal plates (2) to be flat, two groups of heating plates (11) which are arranged at intervals from top to bottom and are both in an arc shape, and a driving piece for driving the upper heating plates (11) to lift; the upper surface of the metal plate (2) is provided with two groups of clamping plates (21), when the pressing device (3) presses the metal plate (2) to be flat, the two groups of clamping plates (21) and the metal plate (2) jointly enclose a placing cavity (22) for arranging and placing a plurality of groups of woods; the two groups of heating plates (11) are respectively attached to the lower surface of the metal plate (2) and the wood in the placing cavity (22);
closing device (3) including workstation (31) that supply metal sheet (2) to place, two sets of clamp plate (32) that are "L" shape setting, divide first pneumatic cylinder (33) and second pneumatic cylinder (34) of locating metal sheet (2) both sides, two sets of clamp plate (32) all include integrated into one piece and mutually perpendicular's connecting portion (321) and compress tightly portion (322), two sets of connecting portion (321) are fixed connection in the piston rod of first pneumatic cylinder (33) and the piston rod of second pneumatic cylinder (34) respectively, two sets of portions (322) that compress tightly all compress tightly in the upper surface of metal sheet (2).
2. A solid wood bending apparatus according to claim 1, wherein: the heating plate (11) is provided with a plurality of groups in sequence along the vertical direction, the heating plate (11) positioned at the lowest side is fixed on the rack (1), and the rack (1) is provided with a linkage assembly (4) for driving the rest heating plates (11) to synchronously lift.
3. A solid wood bending apparatus according to claim 2, wherein: the linkage assembly (4) comprises a plurality of fixing plates (41) fixed on the corresponding other heating plates (11) and a plurality of penetrating pieces penetrating through the two adjacent groups of fixing plates (41), and both ends of all the penetrating pieces are provided with limiting pieces; when the driving part drives the other heating plates (11) to synchronously ascend, all the limiting parts are abutted against the lower surfaces of the corresponding fixing plates (41).
4. A solid wood bending apparatus according to claim 3, wherein: the driving piece is a third hydraulic cylinder (12) fixed on the rack (1), and a piston rod of the third hydraulic cylinder (12) extends in the vertical direction and is fixedly connected to the uppermost heating plate (11); all the penetrating parts are first screw rods (42), and all the limiting parts are first nuts (43) in threaded fit with the first screw rods (42).
5. A process of a solid wood bending apparatus according to claim 4, wherein: the method comprises the following steps:
s1, firstly, placing the metal plate (2) on a workbench (31), then driving the pressing plates (32) to descend through the first hydraulic cylinder (33) and the second hydraulic cylinder (34), and pressing the two groups of pressing plates (32) on the metal plate (2) to enable the metal plate (2) to be pressed to be flat;
s2, arranging a plurality of groups of woods in sequence in the placing cavity (22) and enabling the adjacent woods to be mutually attached;
s3, the two groups of pressing plates (32) are not pressed on the metal plate (2), and the metal plate (2) filled with wood is placed between the two adjacent groups of heating plates (11);
s4, repeating the steps S2 and S3, and placing the metal plates (2) filled with the wood between every two adjacent groups of heating plates (11);
s5, driving the heating plate (11) at the uppermost side to descend through the third hydraulic cylinder (12), so that all the heating plates (11) descend and are pressed on the wood on the metal plate (2) at the lower side of the heating plates until all the heating plates (11) are completely attached to the wood on the metal plate (2) at the lower side of the heating plates;
s6, hot-pressing the wood for 0.5-1.5 hours, wherein the hot-pressing temperature is 160-180 ℃.
6. The process of a solid wood bending apparatus according to claim 5, wherein: in step S6, the hot pressing time was 1 hour, and the hot pressing temperature was 160 ℃.
7. The process of a solid wood bending apparatus according to claim 5, wherein: in step S6, the hot pressing time was 0.5 hours and the hot pressing temperature was 180 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911253789.0A CN110900756B (en) | 2019-12-09 | 2019-12-09 | Solid wood bending equipment and process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203887979U (en) * | 2014-06-10 | 2014-10-22 | 漾美家居(天津)有限公司 | Solid wood bending hot pressing forming machine |
| CN104802247A (en) * | 2015-05-20 | 2015-07-29 | 南京林业大学 | Solid wood bending technological method for curve-shaped structural member of redwood furniture |
| JP6162185B2 (en) * | 2015-09-01 | 2017-07-12 | 齋藤木材工業株式会社 | Method for manufacturing laminated structural laminate |
| CN107379156A (en) * | 2017-09-15 | 2017-11-24 | 浙江顶丰家具有限公司 | Wood-bending equipment |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203887979U (en) * | 2014-06-10 | 2014-10-22 | 漾美家居(天津)有限公司 | Solid wood bending hot pressing forming machine |
| CN104802247A (en) * | 2015-05-20 | 2015-07-29 | 南京林业大学 | Solid wood bending technological method for curve-shaped structural member of redwood furniture |
| JP6162185B2 (en) * | 2015-09-01 | 2017-07-12 | 齋藤木材工業株式会社 | Method for manufacturing laminated structural laminate |
| CN107379156A (en) * | 2017-09-15 | 2017-11-24 | 浙江顶丰家具有限公司 | Wood-bending equipment |
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Denomination of invention: A solid wood bending equipment and its technology Effective date of registration: 20221011 Granted publication date: 20210330 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Hangzhou Fuyang branch Pledgor: Hangzhou Xinnanteng Bamboo Product Co.,Ltd. Registration number: Y2022980017975 |
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