EP0473631A1 - A solid glued board press. - Google Patents
A solid glued board press.Info
- Publication number
- EP0473631A1 EP0473631A1 EP90907085A EP90907085A EP0473631A1 EP 0473631 A1 EP0473631 A1 EP 0473631A1 EP 90907085 A EP90907085 A EP 90907085A EP 90907085 A EP90907085 A EP 90907085A EP 0473631 A1 EP0473631 A1 EP 0473631A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glue
- gluing
- nozzles
- press
- wood strip
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
- B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
- B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G11/00—Applying adhesives or glue to surfaces of wood to be joined
Definitions
- the object of the invention is a solid glued board press, in particular a blockboard press, which includes a glue handling device, two or more glue nozzles, a glue distribution device, strip handling devices to transport the wood strips past the nozzles, and a press section.
- Various kinds of continuously operating blockboard presses are known. These are typically continuously operating in such a way that wood strips of a particular size are fed to the press as a continual flow at the same time as glue is fed from a nozzle to one vertical surface of the strip.
- the press includes sensor devices that open the glue channel when a wood strip comes close to the glue nozzle. The glue channel closes when the wood strip leaves the area of influence of another sensor device. After this the strip is taken to a press, in which the strips are placed one after the other to correspond to the desired size of sheet.
- a problem with the known gluing presses is the poor controllability of the glue and due to this the unreliability of gluing devices and the difficulty of adjusting the width of the gluing.
- a gluing press in accordance with the invention the glue is fed precisely over the whole length and breadth of the wood strip.
- the nozzles are, however, closed between the strips and the operation is thus considerably cleaner than previously.
- Other advanta- geous forms of application are shown in connection with the latter example of application.
- Figure 1 shows the gluing head seen from above
- Figure 2 shows the gluing head seen from the side
- the glued board press consists of wood strip handling devices, a gluing head, and the press itself.
- the accompanying figures only show the wood strip handling devices at the gluing head and the gluing head itself.
- the wood strip handling devices move one strip at a time past the gluing head 1 with the aid of a guide plate 19 and counter- wheel 10. By means of these the wood strip pushes in the ball valves of the nozzles 8 of the gluing head, when the glue extrudes onto the surface of the wood strip. As the wood strip passes the gluing head the balls 7 return to the extreme position by means of the pressure and springs 15 and close the nozzles 8.
- the glue distribution device includes a glue reservoir 20, a pump 12, a return circulation channel and its pressure valve 16, operating valve 11 and the glue channel 21 that leads from it to the nozzles 8.
- the glue is distribu ⁇ ted to each nozzle 8 through separate restriction valves 13.
- the flow of the glue is suitably regulated. In certain cases a greater flow is wished for in the upper nozzle than in the lower.
- the device also includes normal sensor components, by means of which it is known when the wood strip is close to the gluing head, on the basis of which the control valve 11 is switched to the feed position.
- the gluing nozzles 8 open only when the wood strip pushes the ball of the shut-off device 7 inwards. When the wood strip has passed each nozzle the spring in it pushes the ball shut and the nozzle 8 closes. As long as the nozzles 8 are closed, the pump 12 pushes the glue flow through the pressure valve 16 to the glue reservoir 20.
- Figure 2 shows the principle of the control of the width of the gluing. Wood strips of different widths 9, 14 can be glued by the same gluing head by adjusting its angle. The line formed by the gluing nozzles 8 is turned in such a way that its width corresponds to that of the wood strip. The figure shows the gluing head and the position of the gluing nozzles 8 for two different widths of strip. The width adjustment is stepless from the minimum wood strip width up to the maximum strip width.
- the adjustment of the angle * takes place by loosening the head- wheel 6 and by turning the gluing head 1 round the axle pin 17 then locking the gluing head into the new position by means of the handwheel 6. Height adjustment takes place by turning handwheel 3, when the entire gluing head moves vertically along guide 4.
- the entire gluing head can be removed from the gluing level by means of operating device 5, which is advantageously a pneumatic cylinder. This kind of removal is necessary for example when a so-called dry joint is required to separate sheets of wood strip from one another.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Coating Apparatus (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
- Laminated Bodies (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Table Devices Or Equipment (AREA)
- Inert Electrodes (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI892483A FI81991C (en) | 1989-05-23 | 1989-05-23 | MASSIVLIMSKIVEPRESS. |
FI892483 | 1989-05-23 | ||
PCT/FI1990/000140 WO1990014168A1 (en) | 1989-05-23 | 1990-05-21 | A solid glued board press |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0473631A1 true EP0473631A1 (en) | 1992-03-11 |
EP0473631B1 EP0473631B1 (en) | 1994-10-19 |
Family
ID=8528486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90907085A Expired - Lifetime EP0473631B1 (en) | 1989-05-23 | 1990-05-21 | A solid glued board press |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0473631B1 (en) |
AT (1) | ATE112983T1 (en) |
AU (1) | AU5645490A (en) |
DE (1) | DE69013504T2 (en) |
DK (1) | DK0473631T3 (en) |
FI (1) | FI81991C (en) |
WO (1) | WO1990014168A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7984742B2 (en) | 2008-01-21 | 2011-07-26 | Shackelford Jon E | Panel clamping assembly |
CN101811105B (en) * | 2010-04-09 | 2011-11-16 | 佛山市科润达机械有限公司 | Waxing device for wood board |
CN112192683A (en) * | 2020-10-06 | 2021-01-08 | 李军 | Plate gluing and press-fitting device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2318695A (en) * | 1939-10-28 | 1943-05-11 | W M Ritter Lumber Company | Assembling machinery |
CH479380A (en) * | 1967-09-19 | 1969-10-15 | Reich Maschf Gmbh Karl | Device for gluing two workpieces together |
IL31504A0 (en) * | 1968-08-07 | 1969-03-27 | Weyerhaeuser Co | Adhesive applicator apparatus for box-forming machines |
DE2001034A1 (en) * | 1970-01-12 | 1971-07-22 | Schwarzwaelder Etuisfabrik Fri | Device for applying hot melt adhesives |
GB1322861A (en) * | 1971-02-11 | 1973-07-11 | Molins Ltd | Gluing or gumming devices |
DE3012371C2 (en) * | 1980-03-29 | 1983-06-30 | Maschinenfabrik Alfred Schmermund Gmbh & Co, 5820 Gevelsberg | Glue applicator |
EP0041033B1 (en) * | 1980-05-28 | 1985-07-24 | Gaston Laury | Apparatus for applying a viscous liquid and in particular an adhesive mixture to a support, and a device provided with such an apparatus |
DE3717672A1 (en) * | 1987-05-26 | 1988-12-15 | Reich Spezialmaschinen Gmbh | METHOD AND DEVICE FOR CONNECTING RESTORED PARTS TO THE FRONT SIDES OF PLATE-SHAPED WORKPIECES |
-
1989
- 1989-05-23 FI FI892483A patent/FI81991C/en not_active IP Right Cessation
-
1990
- 1990-05-21 WO PCT/FI1990/000140 patent/WO1990014168A1/en active IP Right Grant
- 1990-05-21 DE DE69013504T patent/DE69013504T2/en not_active Expired - Fee Related
- 1990-05-21 DK DK90907085.6T patent/DK0473631T3/en active
- 1990-05-21 AT AT90907085T patent/ATE112983T1/en not_active IP Right Cessation
- 1990-05-21 AU AU56454/90A patent/AU5645490A/en not_active Abandoned
- 1990-05-21 EP EP90907085A patent/EP0473631B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9014168A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1990014168A1 (en) | 1990-11-29 |
ATE112983T1 (en) | 1994-11-15 |
EP0473631B1 (en) | 1994-10-19 |
FI81991B (en) | 1990-09-28 |
FI892483A0 (en) | 1989-05-23 |
AU5645490A (en) | 1990-12-18 |
DE69013504T2 (en) | 1995-05-24 |
DE69013504D1 (en) | 1994-11-24 |
FI81991C (en) | 1991-01-10 |
DK0473631T3 (en) | 1995-04-03 |
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