CN107186835A - A kind of curved cushion sheet metal forming technique of seat - Google Patents
A kind of curved cushion sheet metal forming technique of seat Download PDFInfo
- Publication number
- CN107186835A CN107186835A CN201710598940.9A CN201710598940A CN107186835A CN 107186835 A CN107186835 A CN 107186835A CN 201710598940 A CN201710598940 A CN 201710598940A CN 107186835 A CN107186835 A CN 107186835A
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- CN
- China
- Prior art keywords
- plate
- sandwich plate
- panel
- sandwich
- metal forming
- 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
-
- 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
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of curved cushion sheet metal forming technique of seat, comprise the following steps：(1) sandwich plate is pre-processed：Carry out sanding and hot-pressing processing successively to the sheet material as sandwich plate, obtain the sandwich plate of surfacing；(2) panel is handled：Hot-pressing processing will be carried out as the sheet material of panel；(3) dry：Sandwich plate and panel after the step (1) processing is placed on kiln car, spacing is left between adjacent plate and plate, so that each plate promotes moisture evaporation with hot-air bump contact, then kiln car feeding dry kiln is dried；(4) composite plate is suppressed：Dried sandwich plate and panel are bonded with glue, are then pressed into clad plate；(5) backing plate is compressing, obtains the curved cushion boards half-finished product of design curve form.The technique is adjusted to plank drying process mode, plank is fully dried, and keeps suitable moisture content, it is to avoid sheet deformation ftractures, and improves product quality.
Description
Technical field
The present invention relates to the curved cushion sheet metal forming technique of a kind of backing plate moulding process, more particularly to a kind of seat.
Background technology
The curved surface backing plate of current seat is all to use certain thickness plank after the drying, enters to be hot pressed into after curved again
It is made after being painted with last layer.In current manufacture craft, have the following disadvantages：1. plank drying is insufficient, easily mould
Become rotten, depainting decortication is easily ftractureed, the product quality being made is poor.During this is due to current technique, plank drying process
In be all to be deposited in plank to send into dry kiln on kiln car to be dried, because a large amount of planks are stacked, gap is small between plank,
Cause moisture to be difficult evaporation, plank is gone mouldy from fully being dried, easily rotten, it is glued and to the absorption property of paint
Easily there is depainting and decortication in difference, product.Furthermore, dry internal stress inside deficiency, plank and do not reduce farthest, easily
Plank is caused to ftracture.After 2. plank is dried, being handled immediately, plank absorption air moisture, it is necessary to redrying is handled,
Cause production efficiency to reduce, and increase cost.3. shaping curved surface backing plate outer surface coat one layer paint.4. curved surface backing plate
Low intensity, service life is short.
The content of the invention
It is an object of the present invention to provide a kind of curved cushion sheet metal forming technique of seat, the technique is done to plank drying process mode
Adjustment, makes plank fully be dried, and keep suitable moisture content, it is to avoid sheet deformation ftractures, and improves product quality.
To achieve the above object, the present invention uses following technical scheme：A kind of curved cushion sheet metal forming technique of seat, including
Following steps：
(1) sandwich plate is pre-processed：Carry out sanding and hot-pressing processing successively to the sheet material as sandwich plate, obtain surfacing
Sandwich plate；
(2) panel is handled：Hot-pressing processing will be carried out as the sheet material of panel；
(3) dry：Sandwich plate and panel after the step (1) processing is placed on kiln car, adjacent plate and plate it
Between leave spacing, so as to each plate with hot-air bump contact promote moisture evaporation, then by kiln car feeding dry kiln carry out
Dry；
(4) composite plate is suppressed：Dried sandwich plate and panel are bonded with glue, are then pressed into clad plate；
(5) backing plate is compressing：Described composite plate is pressed using former, design curved is obtained
The curved cushion boards half-finished product of shape.
In the step (1), as the thin plate that the sheet material of sandwich plate is 1-2 millimeters thicks, its length and width is set according to seat design
Fixed size cut.When web width is inadequate or during inadequate length, can by the way of sewing and mend by polylith thin plate splicing extremely
The width or length needed.
The sheet material of sandwich plate, which is used, in the step (1) has flexible timber, is conducive to the making of curved-surface structure, example
Such as Eucalyptus.The sanding refers to polish the outer surface of sandwich plate using sander, and burr etc. is removed.The hot pressing refers to
Sandwich plate through hot press straightening, it is set to begin to the smooth state of holding eventually.
Plate thickness in the step (2) is 0.8-1.5mm, it is preferred to use the material of hardness height and high-abrasive material,
Such as oak.
As one embodiment of the present of invention, in the step (3), by setting number along length over ends of body direction on the kiln car
Individual vertical spacer structure with formed it is several can place the interval of sandwich plate vertically, as the rest area of sheet material, by sandwich plate and
Panel is placed in each rest area vertically, and one or two piece of sandwich plate and/or panel are placed in each rest area, then enter kiln drying dry.
Rest area is set in stroller, each rest area only places one to two plate, make have at regular intervals between adjacent plate, hot-air with
Each piece of plate bump contact, each block of plate can thermally equivalent, be conducive to the evaporation of moisture, make the moisture of each block of plate
Reach suitable scope.The spacer structure is web plate, or inverted U-frame, or other can realize the side at interval
Formula.
Further, the kiln car vehicle bottom sets several air channels, is easy to the circulation of air.
Further, the kiln car is the structure of double-deck frame-type, including upper square frame and lower square frame, Mei Gefang
Set along its length on shape frame several vertical spacer structures formed it is several can place the interval of sandwich plate vertically, as
The rest area of sheet material, can so increase the treating capacity of per car, and the upper square frame and lower square frame are respectively provided with several air channels.
Drying condition in the step (3)：Temperature 60-70 degree, time 8-2 hour.
In the step (4), every two pieces of panels and more than one piece sandwich plate are pressed into composite plate, and the sandwich plate is pressed together on
Between two panels, often with the orthogonal overlapping of fiber grain between adjacent two pieces of sandwich plates and adjacent sandwich plate and panel
Bonding, complements one another so between plate and plate in intensity, increases the ductile strength of composite plate, is not easily broken.Further, when
When sandwich plate in composite plate is more than three pieces, the sandwich plate of different-thickness can be used, and it is gradually thinning with thick middle both sides
Mode discharge, specifically refer to centre interlayer plate thickness it is most thick, the interlayer plate thickness of its both sides successively decreases successively, such row
Mode is put, in compacting and subsequently compressing, each plate uniform force and stretching resistance performance enhancement.Further, institute
State and supporting plate is set between every piece of panel and sandwich plate.
Further, the operation of the step (4) should immediately be carried out after the sheet material of step (3) dries kiln discharge, it is to avoid plate
Material placed for a long time water suction again and becomes damp.
In the step (5), compressing condition is：Pressure 10-15t, temperature 90-100 degree keeps stamped condition
45-60 minutes.In this step, the pressing mold time increases with the increase of sandwich plate, often increases by one piece of 1 point of pressing mold time increase
Clock.
The present invention has advantages below compared with prior art：
1. in the drying steps of the curved surface backing plate manufacture craft for the seat that the present invention is provided, spacing is left between plate and plate,
So as to each plate with hot-air bump contact, allow each plate to be heated evenly, so promote moisture evaporation, make the moisture of each plate
Suitable scope is reached, below 20%, is conducive to the gluing of plate and plate and improves adhesion property of the plate to paint, it is to avoid production
Pint paint decortication, is also prevented from product cracking.
2. with fiber between every two sandwich plates and adjacent sandwich plate and panel in the composite plate being made in the present invention
The orthogonal cementation laminated of lines, complements one another so between plate and plate in intensity, increases the ductile strength of composite plate, is difficult
Rupture.
3. when the sandwich plate in composite plate is more than three pieces, using the sandwich plate of different-thickness, and middle interlayer
Plate thickness is most thick, and the interlayer plate thickness of its both sides successively decreases successively, such discharging modes, in compacting and subsequently compressing
In, each plate uniform force and stretching resistance performance enhancement.
4. the pressing mold time increases with the increase of sandwich plate in the step (5), often increase by one piece of pressing mold time increase by 1
Minute, strict control time improves profiled sheeting surface accuracy.
Brief description of the drawings
Fig. 1 is the main structure diagram of kiln car in the present invention；
Fig. 2 is the structure enlarged diagram at B in Fig. 1；
Fig. 3 is carrier structure schematic diagram in the present invention.
Embodiment
(1) sheet material of sandwich plate is obtained：Cut using peeler along the periphery of Eucalyptus round log, round log is cut into 1-2 millis
The thick thin plate of rice as sandwich plate sheet material.The size cut that the length and width of thin plate are set according to seat design.When web width not
, can be by the way of sewing and mend by polylith thin plate splicing to the length needed when enough or length is inadequate.
(2) sandwich plate is pre-processed：Carry out sanding and hot-pressing processing successively to the sheet material as sandwich plate, obtain surfacing
Sandwich plate.The sanding refers to polish the outer surface of sandwich plate using sander, and burr etc. is removed.The hot pressing refers to
It is set to begin to the smooth state of holding eventually sandwich plate straightening.
(2) panel is handled：Panel uses oak, and thickness is 0.8-1.5mm, through hot pressing hot-pressing processing.According to the need of design
Ask, corresponding pattern or color are sketched the contours of on its surface.
(3) dry：Sandwich plate and panel after the step (1) processing is placed on kiln car, adjacent plate and plate it
Between leave spacing, so as to each sandwich plate with hot air promote moisture evaporation, then by kiln car feeding dry kiln done
It is dry.By being set along length over ends of body direction to several vertical spacer structures being made up of inverted U-shaped frame 3 on kiln car, in kiln car
Upper formation is several can to place the interval of sandwich plate vertically, and sandwich plate and panel are placed in each interval vertically, and each interval is put
One or two sandwich plate and/or panel 4 are put, modes of emplacement is referring to Fig. 2, and it is dry then to enter kiln drying, drying temperature 60-70 degree, dries
Time 8-2 hour.Set and be spaced in kiln car, each interval only places one to two boards, makes have at regular intervals between adjacent plate,
Hot-air and each piece of plate bump contact, each block of plate can thermally equivalent, be conducive to the evaporation of moisture, make each block of plate
Moisture reaches suitable scope.In the present embodiment, as Figure 1-3, kiln car is the structure of double-deck frame-type, is had
Several U are set along its length on upper square frame 5a and lower square frame 5b provided with several air channel 5c, upper and lower square frame
The vertical spacer structure that type frame 3 is constituted, formed it is several can place the interval of sandwich plate vertically, as the rest area of plank, this
Sample can increase the treating capacity of per car.Certain spacer structure be web plate either other can realize that the mode at interval is all to allow
's.Kiln car handle 1 is set on upper square frame 5a, and kiln car bottom is provided with two back-up roller wheels 2 and two universal wheels 6.
(4) composite plate is suppressed：Sheet material carries out composite plate compacting immediately after drying kiln discharge, it is to avoid sheet material placed weight for a long time
New water suction becomes tide.Every two pieces of panels and more than one piece sandwich plate are pressed into composite plate, and the sandwich plate is pressed together between two panels,
Supporting plate is provided between every piece of panel and sandwich plate.Per adjacent two pieces of sandwich plates, sandwich plate and supporting plate and adjacent supporting plate with
With the orthogonal cementation laminated of fiber grain between panel, complemented one another so between plate and plate in intensity, increase composite plate
Ductile strength, be not easily broken.When the sandwich plate in composite plate is more than three pieces, the sandwich plate of different-thickness can be used, and
And gradually thinning mode is discharged with thick middle both sides, the interlayer plate thickness for specifically referring to centre is most thick, the interlayer of its both sides
Plate thickness successively decreases successively, such discharging modes, in compacting and subsequently compressing, each plate uniform force and stretching resistance
Performance enhancement.
(5) backing plate is compressing：Described composite plate is pressed using former, design curved is obtained
The curved cushion boards half-finished product of shape.Compressing condition is：Pressure 10-15t, temperature 90-100 degree keeps stamped condition 45-60
Minute.In this step, the pressing mold time increases and increased with the number of plies of sandwich plate, often increases by one and is laminated mould time increase by 1 minute.
The present invention can be summarized with others without prejudice to the concrete form of the spirit or essential characteristics of the present invention, of the invention
Above-described embodiment can only all be considered the description of the invention rather than limitation, and every substantial technological according to the present invention is to the above
Any subtle modifications, equivalent variations and modifications that embodiment is made, are belonged in the range of technical solution of the present invention.
Claims (10)
1. a kind of curved cushion sheet metal forming technique of seat, it is characterized in that, comprise the following steps：
(1) sandwich plate is pre-processed：Carry out sanding and hot-pressing processing successively to the sheet material as sandwich plate, obtain the folder of surfacing
Laminate；
(2) panel is handled：Hot-pressing processing will be carried out as the sheet material of panel；
(3) dry：Sandwich plate and panel after the step (1) processing is placed on kiln car, stayed between adjacent plate and plate
There is spacing, so that each plate promotes moisture evaporation with hot-air bump contact, then kiln car feeding dry kiln is dried；
(4) composite plate is suppressed：Dried sandwich plate and panel are bonded with glue, are then pressed into clad plate；
(5) backing plate is compressing：Described composite plate is pressed using former, design curve form is obtained
Curved cushion boards half-finished product.
2. the curved cushion sheet metal forming technique of seat according to claim 1, it is characterized in that, in the step (3), the kiln
On car by set along length over ends of body direction several vertical spacer structures are formed it is several can place the interval of sandwich plate vertically, will
Sandwich plate and panel are placed in each interval vertically, are each spaced apart one or two sandwich plate and/or panel, are then entered kiln drying
It is dry.
3. the curved cushion sheet metal forming technique of seat according to claim 1 or 2, it is characterized in that, dried in the step (3)
Condition：Temperature 60-70 degree, time 8-2 hour.
4. the curved cushion sheet metal forming technique of seat according to claim 1, it is characterized in that, in the step (4), every two pieces
Panel and more than one piece sandwich plate are pressed into composite plate, and the sandwich plate is pressed together between two panels, per two adjacent interlayers
With the orthogonal cementation laminated of fiber grain between plate and adjacent sandwich plate and panel.
5. the curved cushion sheet metal forming technique of seat according to claim 4, it is characterized in that, when the sandwich plate in composite plate is
At more than three pieces, using the sandwich plate of different-thickness, and with thick middle both sides, gradually thinning mode is discharged.
6. the curved cushion sheet metal forming technique of the seat according to claim 4 or 5, it is characterized in that, every piece of panel and folder
Supporting plate is set between laminate.
7. the curved cushion sheet metal forming technique of seat according to claim 1, it is characterized in that, in the step (5), it is pressed into
The condition of type is：Pressure 10-15t, temperature 90-100 degree keeps stamped condition 45-60 minutes, and the pressing mold time is with sandwich plate
Increase and increase, often increasing by one piece of sandwich plate pressing mold time increases by 1 minute.
8. the curved cushion sheet metal forming technique of seat according to claim 1, it is characterized in that, the operation of the step (4) should
Carried out immediately after the sheet material of step (3) dries kiln discharge, it is to avoid sheet material placed for a long time water suction again and becomes damp.
9. the curved cushion sheet metal forming technique of seat according to claim 1, it is characterized in that, it is described to make in the step (1)
For sandwich plate sheet material be 1-2 millimeters thicks thin plate, its length and width according to seat design set size cut；When web width not
When enough or length is inadequate, by polylith thin plate splicing to the width or length needed by the way of darning.
10. the curved cushion sheet metal forming technique of seat according to claim 1, it is characterized in that, sandwich plate in the step (1)
Sheet material use there is flexible timber, the plate thickness in the step (2) is 0.8-1.5mm, using hardness it is high and
The material of high-abrasive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598940.9A CN107186835A (en) | 2017-07-21 | 2017-07-21 | A kind of curved cushion sheet metal forming technique of seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598940.9A CN107186835A (en) | 2017-07-21 | 2017-07-21 | A kind of curved cushion sheet metal forming technique of seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107186835A true CN107186835A (en) | 2017-09-22 |
Family
ID=59884510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710598940.9A Pending CN107186835A (en) | 2017-07-21 | 2017-07-21 | A kind of curved cushion sheet metal forming technique of seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107186835A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337359A (en) * | 2008-07-23 | 2009-01-07 | 刘继军 | Preparation method of composite sheets |
| CN202675839U (en) * | 2012-06-08 | 2013-01-16 | 会同县康奇瑞竹木有限公司 | Efficient bamboo drying qualitative frame |
| CN103465320A (en) * | 2013-09-02 | 2013-12-25 | 崇义林业红杉木业有限公司 | Anti-deformation material-saving paint-free three-laminated composite plate and production method thereof |
| CN103568094A (en) * | 2013-10-15 | 2014-02-12 | 陈君 | Solid wood and composite board combined furniture and forming technique thereof |
| CN104677096A (en) * | 2015-01-31 | 2015-06-03 | 宜兴市诗画环保有限公司 | Kiln car |
| CN204393883U (en) * | 2015-01-08 | 2015-06-17 | 梅州市汇胜木制品有限公司 | Fast-growing Eucalyptus multilayer single plate wooden furniture bending-wood parts |
-
2017
- 2017-07-21 CN CN201710598940.9A patent/CN107186835A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337359A (en) * | 2008-07-23 | 2009-01-07 | 刘继军 | Preparation method of composite sheets |
| CN202675839U (en) * | 2012-06-08 | 2013-01-16 | 会同县康奇瑞竹木有限公司 | Efficient bamboo drying qualitative frame |
| CN103465320A (en) * | 2013-09-02 | 2013-12-25 | 崇义林业红杉木业有限公司 | Anti-deformation material-saving paint-free three-laminated composite plate and production method thereof |
| CN103568094A (en) * | 2013-10-15 | 2014-02-12 | 陈君 | Solid wood and composite board combined furniture and forming technique thereof |
| CN204393883U (en) * | 2015-01-08 | 2015-06-17 | 梅州市汇胜木制品有限公司 | Fast-growing Eucalyptus multilayer single plate wooden furniture bending-wood parts |
| CN104677096A (en) * | 2015-01-31 | 2015-06-03 | 宜兴市诗画环保有限公司 | Kiln car |
Non-Patent Citations (1)
| Title |
|---|
| 吴智慧，黄琼涛: "利用速生桉木多层单板生产家具弯曲木零部件的技术", 《家具》 * |
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Application publication date: 20170922 |