CN108284496A - A kind of wooden bending parts High frequency heating one-shaping technique - Google Patents
A kind of wooden bending parts High frequency heating one-shaping technique Download PDFInfo
- Publication number
- CN108284496A CN108284496A CN201810061401.6A CN201810061401A CN108284496A CN 108284496 A CN108284496 A CN 108284496A CN 201810061401 A CN201810061401 A CN 201810061401A CN 108284496 A CN108284496 A CN 108284496A
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- CN
- China
- Prior art keywords
- high frequency
- finished product
- moulded board
- frequency heating
- product moulded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
Abstract
The invention discloses a kind of wooden bending parts High frequency heating one-shaping techniques, the clamping plate of 3~10 layers of 2~4mm is fit together up and down the finished product moulded board to form that thickness is 9~30mm, it applies glue between adjacent two layers clamping plate, finished product moulded board is put into the lower die of high frequency press, the upper mold of high frequency press is downwardly against finished product moulded board, pressure between upper and lower mould is 1.5~2.0MPa, and the frequency of high frequency press is 3~6KHz, and the area of finished product moulded board is 0.1~0.83m2, the High frequency heating time is 1~21min, and the area of finished product moulded board and the relationship track between the High frequency heating time are in rise parabola, keep the pressure state in the case where not applying high frequency 10~15 minutes after High frequency heating, then remove finished product moulded board.The binding site of sizing stacking can be become integration, and the clamp position without keeping frock clamp for a long time by the present invention rapidly.
Description
Technical field
The present invention relates to wood processing technique field, more particularly, to a kind of wooden bending parts High frequency heating once at
Type technology.
Background technology
Existing wooden bending parts mostly laminate forming technique using cold pressing layering sizing, for etc. glue to be applied it is real
It does to prevent clamping plate to be resiliently deformed, the general production technology deadline will regard the thickness size and environment temperature height of bending parts
It is low, need lasting 24~48 hours；It also needs to continue to keep frock clamp small to the clamp position 12~24 of workpiece after the completion of technique
When, cause single-piece to be occupied with low efficiency, the more influence machining accuracy of finished product resilience and quality, production cost is produced in batches
It is high not under.
Invention content
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of wooden bending parts High frequency heating is provided
The binding site of sizing stacking can be become integration by one-shaping technique rapidly, and without keeping frock clamp for a long time
Clamp position.
To achieve the goals above, the present invention adopts the following technical scheme that：
The clamping plate of 3~10 layers of 2~4mm is bonded by a kind of wooden bending parts High frequency heating one-shaping technique up and down
The finished product moulded board that thickness is 9~30mm is formed together, applies glue between adjacent two layers clamping plate, finished product moulded board is put into
In the lower die of high frequency press, the upper mold of high frequency press downwardly against finished product moulded board, the pressure between upper and lower mould is 1.5~
The frequency of 2.0MPa, high frequency press are 3~6KHz, and the area of finished product moulded board is 0.1~0.83m2, the High frequency heating time is 1
~21min, the area of the finished product moulded board and the relationship track between the High frequency heating time are in rising parabola, High frequency heating
After the pressure state is kept in the case where not applying high frequency 10~15 minutes, then remove finished product moulded board.
The thickness of the clamping plate is tri- kinds of specifications of 2mm, 3mm, 4mm.
The clamping plate of 3~4 layers of 2~4mm is fit together up and down the finished product moulded board to form that thickness is 9~13mm, up and down
Pressure between mould is 1.5MPa, and the frequency of high frequency press is 3KHz, and the High frequency heating time is 1~17min, High frequency heating knot
The pressure state is kept in the case where not applying high frequency after beam 10 minutes.
The clamping plate of 5~6 layers of 2~4mm is fit together up and down the finished product moulded board to form that thickness is 14~19mm, up and down
Pressure between mould is 1.65MPa, and the frequency of high frequency press is 4KHz, and the High frequency heating time is 2.5~18.5min, high frequency heat
The pressure state is kept in the case where not applying high frequency after pressure 12 minutes.
The clamping plate of 7~8 layers of 2~4mm is fit together up and down the finished product moulded board to form that thickness is 20~25mm, up and down
Pressure between mould is 1.8MPa, and the frequency of high frequency press is 5KHz, and the High frequency heating time is 3.5~19.5min, high frequency heat
The pressure state is kept in the case where not applying high frequency after pressure 13 minutes.
The clamping plate of 9~10 layers of 2~4mm is fit together up and down the finished product moulded board to form that thickness is 26~30mm, on
Pressure between lower die is 2.0MPa, and the frequency of high frequency press is 6KHz, and the High frequency heating time is 5~21min, High frequency heating
After the pressure state is kept in the case where not applying high frequency 15 minutes.
The lower die includes that the lower aluminum sheet to match, the lower end bread of the lower aluminum sheet are bonded with the lower face of finished product moulded board
Timber is covered, the upper mold includes that the upper aluminium sheet to match, the upper end bread of the upper aluminium sheet are bonded with the upper surface of finished product moulded board
Cover timber.
The finished product moulded board includes a curved portion.
The finished product moulded board includes a curved portion and a horizontal part being connected with curved portion side.
The finished product moulded board includes a curved portion, and the both sides of the curved portion are all provided with that there are one horizontal parts.
Compared with prior art, the present invention having the advantages that following prominent and good effect：
1, using High frequency heating technology accelerate glue molecule rapid osmotic be deep into sizing stacking glued position and add
Fast glue curing, and there is no the clamp positions that resilience also needs to keep frock clamp for a long time to workpiece, it can be ensured that product
Quality and machining accuracy.
2, can the binding site of sizing stacking be become integrated rapidly using High frequency heating technology, the short time just completes curved
The production of bent parts is molded, and is substantially reduced the processing and forming time, is improved production efficiency.
3, the present invention is applied widely, and variously-shaped irregularly shaped laminated processing can be carried out to the wooden sheet of various materials,
The refining of high-grade wood furniture, personalized processing needs can be met.
Description of the drawings
Fig. 1 is the area and time chart of the finished product moulded board of 9~13mm thickness；
Fig. 2 is the area and time chart of the finished product moulded board of 14~19mm thickness；
Fig. 3 is the area and time chart of the finished product moulded board of 20~25mm thickness；
Fig. 4 is the area and time chart of the finished product moulded board of 26~30mm thickness；
Fig. 5 is the stereogram of the first finished product moulded board；
Fig. 6 is the stereogram of second of finished product moulded board；
Fig. 7 is the stereogram of the third finished product moulded board.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and detailed description：
Following embodiment uses the specification of Huaan Can Gao, Shijiazhuang power electronics Science and Technology Ltd. for the height of CGQ-20 II
Frequency press.
Embodiment 1：
As shown in Figure 1, a kind of wooden bending parts High frequency heating one-shaping technique, by the folder of 3~4 layers of 2~4mm
Fit together the finished product moulded board to form that thickness is 9~13mm above and below plate, can be 3 × 3mm, 2mm+3mm+4mm, 3mm+
3mm+4mm, 3mm+4mm+4mm, 3 × 4mm, 2mm+2mm+3mm+4mm, 2mm+3mm+4mm+4mm etc. are various to be limited in the present invention
The number of plies and thickness range in combination, apply glue between adjacent two layers clamping plate, finished product moulded board be put into high frequency press
In lower die, downwardly against finished product moulded board, the pressure between upper and lower mould is 1.5MPa, the frequency of high frequency press for the upper mold of high frequency press
Rate is 3KHz, and the area of finished product moulded board is 0.1~0.83m2, the High frequency heating time is 1~17min, the face of finished product moulded board
Relationship track between product and High frequency heating time is shown in Table 1 in parabola, physical relationship numerical value is risen.After High frequency heating
The pressure state is kept in the case of not applying high frequency 10 minutes, then remove finished product moulded board.
The lower die includes that the lower aluminum sheet to match, the lower end bread of the lower aluminum sheet are bonded with the lower face of finished product moulded board
Timber is covered, the upper mold includes that the upper aluminium sheet to match, the upper end bread of the upper aluminium sheet are bonded with the upper surface of finished product moulded board
Cover timber.The shape of i.e. entire mold matches with finished product moulded board, is crimped by upper and lower two aluminium sheets, timber plays support
Effect, while timber is not easy heat conduction, effect is good.
The shape of finished product moulded board can be as shown in fig. 6, the finished product moulded board include a curved portion 1, at this time at
The area of product moulded board is the area of curved portion 1.
The shape of finished product moulded board can also be as shown in figure 5, the finished product moulded board include a curved portion 1 and with
A connected horizontal part 2 of 1 side of curved portion, the area of finished product moulded board is a curved portion 1 and a horizontal part 2 at this time
The sum of area.
The shape of finished product moulded board can also be as shown in fig. 7, the finished product moulded board include a curved portion 1, it is described
The both sides of curved portion 1 are all provided with there are one horizontal part 2, and the area of finished product moulded board is a curved portion 1 and two horizontal parts at this time
The sum of 2 area.
The finished product moulded board of the present invention can also have other shapes, but must assure that there are one curved portions 1.
| Area/m2 | 0.1 | 0.16 | 0.27 | 0.32 | 0.36 | 0.38 | 0.55 | 0.83 |
| Time/min | 1 | 2 | 3.5 | 4 | 5 | 5 | 9 | 17 |
The area of the finished product moulded board of table 1 9~13mm thickness and time relationship table
Embodiment 2：
As shown in Fig. 2, difference from example 1 is that：The clamping plate of 5~6 layers of 2~4mm is fit together up and down
The finished product moulded board that thickness is 14~19mm is formed, can be 4 × 3mm+2mm, 3 × 2mm+2 × 4mm, 1 × 2mm+3 × 3mm+
The various numbers of plies and thickness limited in the present invention such as 1 × 4mm, 2 × 2mm+2 × 3mm+2 × 4mm, 1 × 2mm+3 × 3mm+2 × 4mm
The combination in range is spent, the pressure between upper and lower mould is 1.65MPa, and the frequency of high frequency press is 4KHz, and the High frequency heating time is
2.5~18.5min keeps the pressure state in the case where not applying high frequency 12 minutes after High frequency heating, physical relationship
Numerical value is shown in Table 2.
| Area/m2 | 0.1 | 0.16 | 0.27 | 0.32 | 0.36 | 0.38 | 0.55 | 0.83 |
| Time/min | 2.5 | 3.5 | 5 | 5.5 | 6.5 | 6.5 | 10.5 | 18.5 |
The area of the finished product moulded board of table 2 14~19mm thickness and time relationship table
Embodiment 3：
As shown in figure 3, difference from example 1 is that：The clamping plate of 7~8 layers of 2~4mm is fit together up and down
Formed thickness be 20~25mm finished product moulded board, can be 6 × 3mm+2mm, 3 × 2mm+2 ×
3mm+2×4mm、2×2mm+2×3mm+3×4mm、3×2mm+2×3mm+3×4mm、2×2mm+3×3mm+3
The various combinations in the present invention number of plies and thickness range that limit such as × 4mm, the pressure between upper and lower mould is 1.8MPa, high
The frequency of frequency press is 5KHz, and the High frequency heating time is 3.5~19.5min, in the feelings for not applying high frequency after High frequency heating
The pressure state is kept under condition 13 minutes, physical relationship numerical value is shown in Table 3.
| Area/m2 | 0.1 | 0.16 | 0.27 | 0.32 | 0.36 | 0.38 | 0.55 | 0.83 |
| Time/min | 3.5 | 4.5 | 6 | 6.5 | 7.5 | 7.5 | 11.5 | 19.5 |
The area of the finished product moulded board of table 3 20~25mm thickness and time relationship table
Embodiment 4：
As shown in figure 4, difference from example 1 is that：The clamping plate of 9~10 layers of 2~4mm is fit together up and down
Formed thickness be 26~30mm finished product moulded board, can be 8 × 3mm+2mm, 3 × 2mm+4 ×
3mm+2×4mm、2×2mm+4×3mm+3×4mm、5×2mm+2×3mm+3×4mm、4×2mm+2×3mm+4
The various combinations in the present invention number of plies and thickness range that limit such as × 4mm, the pressure between upper and lower mould is 2.0MPa, high
The frequency of frequency press is 6KHz, and the High frequency heating time is 5~21min, after High frequency heating in the case where not applying high frequency
Keep the pressure state 15 minutes, physical relationship numerical value is shown in Table 4.
| Area/m2 | 0.1 | 0.16 | 0.27 | 0.32 | 0.36 | 0.38 | 0.55 | 0.83 |
| Time/min | 5 | 6 | 7.5 | 8 | 9 | 9 | 13 | 21 |
The area of the finished product moulded board of table 4 26~30mm thickness and time relationship table
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of wooden bending parts High frequency heating one-shaping technique, it is characterised in that：By the clamping plate of 3~10 layers of 2~4mm
Fit together the finished product moulded board to form that thickness is 9~30mm up and down, applies glue between adjacent two layers clamping plate, by finishing die
Pressing plate is put into the lower die of high frequency press, and downwardly against finished product moulded board, the pressure between upper and lower mould is for the upper mold of high frequency press
The frequency of 1.5~2.0MPa, high frequency press are 3~6KHz, and the area of finished product moulded board is 0.1~0.83m2, when High frequency heating
Between be 1~21min, the area of the finished product moulded board and the relationship track between the High frequency heating time are high in rising parabola
The pressure state is kept in the case where not applying high frequency after frequency hot pressing 10~15 minutes, then remove finished product moulded board.
2. a kind of wooden bending parts High frequency heating one-shaping technique as described in claim 1, it is characterised in that：The folder
The thickness of plate is tri- kinds of specifications of 2mm, 3mm, 4mm.
3. a kind of wooden bending parts High frequency heating one-shaping technique as claimed in claim 2, it is characterised in that：By 3~4
Fit together the finished product moulded board to form that thickness is 9~13mm above and below the clamping plate of 2~4mm of layer, and the pressure between upper and lower mould is
1.5MPa, the frequency of high frequency press are 3KHz, the High frequency heating time is 1~
17min keeps the pressure state in the case where not applying high frequency 10 minutes after High frequency heating.
4. a kind of wooden bending parts High frequency heating one-shaping technique as claimed in claim 2, it is characterised in that：By 5~6
Fit together the finished product moulded board to form that thickness is 14~19mm above and below the clamping plate of 2~4mm of layer, and the pressure between upper and lower mould is
The frequency of 1.65MPa, high frequency press are 4KHz, and the High frequency heating time is 2.5~18.5min, is not being applied after High frequency heating
The pressure state is kept in the case of increasing frequency 12 minutes.
5. a kind of wooden bending parts High frequency heating one-shaping technique as claimed in claim 2, it is characterised in that：By 7~8
Fit together the finished product moulded board to form that thickness is 20~25mm above and below the clamping plate of 2~4mm of layer, and the pressure between upper and lower mould is
The frequency of 1.8MPa, high frequency press are 5KHz, and the High frequency heating time is 3.5~19.5min, is not being applied after High frequency heating
The pressure state is kept in the case of high frequency 13 minutes.
6. a kind of wooden bending parts High frequency heating one-shaping technique as claimed in claim 2, it is characterised in that：By 9~
Fit together the finished product moulded board to form that thickness is 26~30mm above and below the clamping plate of 10 layers of 2~4mm, the pressure between upper and lower mould
Frequency for 2.0MPa, high frequency press is 6KHz, and the High frequency heating time is 5~21min, is not applying height after High frequency heating
The pressure state is kept in the case of frequency 15 minutes.
7. a kind of wooden bending parts High frequency heating one-shaping technique, feature as described in claim 1~6 any one
It is：The lower die includes that the lower aluminum sheet to match is bonded with the lower face of finished product moulded board, the lower face cladding of the lower aluminum sheet
Timber, the upper mold include that the upper aluminium sheet to match is bonded with the upper surface of finished product moulded board, the upper surface cladding of the upper aluminium sheet
Timber.
8. a kind of wooden bending parts High frequency heating one-shaping technique as claimed in claim 7, it is characterised in that：It is described at
Product moulded board includes a curved portion.
9. a kind of wooden bending parts High frequency heating one-shaping technique as claimed in claim 7, it is characterised in that：It is described at
Product moulded board includes a curved portion and a horizontal part being connected with curved portion side.
10. a kind of wooden bending parts High frequency heating one-shaping technique as claimed in claim 7, it is characterised in that：It is described
Finished product moulded board includes a curved portion, and the both sides of the curved portion are all provided with that there are one horizontal parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061401.6A CN108284496A (en) | 2018-01-22 | 2018-01-22 | A kind of wooden bending parts High frequency heating one-shaping technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061401.6A CN108284496A (en) | 2018-01-22 | 2018-01-22 | A kind of wooden bending parts High frequency heating one-shaping technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108284496A true CN108284496A (en) | 2018-07-17 |
Family
ID=62835572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810061401.6A Pending CN108284496A (en) | 2018-01-22 | 2018-01-22 | A kind of wooden bending parts High frequency heating one-shaping technique |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206650A (en) * | 1997-07-25 | 1999-02-03 | 三明人造板有限公司综合厂 | Method of high-frequency hot-pressing for moulding back-seat integrated cured chair base board |
| CN102139501A (en) * | 2010-12-24 | 2011-08-03 | 南京林业大学 | Method for performing high-frequency prepressing treatment on formaldehyde-free soybean glue environment-friendly type China fir floor base material |
| CN103144176A (en) * | 2013-03-27 | 2013-06-12 | 刘惠强 | Production process of disposable model plate furniture |
| CN104139426A (en) * | 2014-06-30 | 2014-11-12 | 索菲亚家居股份有限公司 | Manufacturing method of arc door |
| CN105856345A (en) * | 2016-03-31 | 2016-08-17 | 南京林业大学 | Manufacturing method for low-adhesive-consumption environment-friendly laminated veneer lumber |
-
2018
- 2018-01-22 CN CN201810061401.6A patent/CN108284496A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206650A (en) * | 1997-07-25 | 1999-02-03 | 三明人造板有限公司综合厂 | Method of high-frequency hot-pressing for moulding back-seat integrated cured chair base board |
| CN102139501A (en) * | 2010-12-24 | 2011-08-03 | 南京林业大学 | Method for performing high-frequency prepressing treatment on formaldehyde-free soybean glue environment-friendly type China fir floor base material |
| CN103144176A (en) * | 2013-03-27 | 2013-06-12 | 刘惠强 | Production process of disposable model plate furniture |
| CN104139426A (en) * | 2014-06-30 | 2014-11-12 | 索菲亚家居股份有限公司 | Manufacturing method of arc door |
| CN105856345A (en) * | 2016-03-31 | 2016-08-17 | 南京林业大学 | Manufacturing method for low-adhesive-consumption environment-friendly laminated veneer lumber |
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Application publication date: 20180717 |