DE102010019346A1 - Machine for edge gluing and edge processing of work piece plates made of wood or similar material, has machine bed, on which longitudinal slot is adjustable along - Google Patents

Abstract

The machine has a machine bed (10), on which a longitudinal slot (14) is adjustable along, where the longitudinal slot carries the work piece plate (20) with an edge on neutral axis (x) in aligned manner. A cantilever arm (24) is attached stationary in the center of the longitudinal side of the machine bed. A processing head (25) is fixed to the cantilever arm with all tools required for the edge processing. A gluing device (28), the strip clamping devices (29,30) and the strip supplying devices (32,33) are attached to the processing head.

Description

The invention relates to a machine for edge banding and edge processing of workpiece plates made of wood or a similar material with a machine bed according to the preamble of claim 1.

• a) die Werkstückauflage ist mit einer in Querrichtung verlaufenden Unterbrechung versehen,
• b) über der Unterbrechung verläuft ein Querausleger, der einen antreibbaren Werkzeugaufnahmeschlitten trägt,
• c) der Werkzeugaufnahmeschlitten ist entlang des Querauslegers verstellbar und vertikal auf- und abbewegbar,
• d) auf der Maschinenrückseite ist im Anschluss an die geteilte Werkstückauflage ein schmaler Werkstückträgerschlitten angebracht, der das Werkstück trägt und mit diesem parallel zur Maschinenrückseite hin- und her bewegbar ist,
• e) dem Querausleger ist im Bereich der Maschinenrückseite eine Werkzeugübergabestation zugeordnet, die aus einem Werkzeugmagazin mit einem von mehreren bereitgestellten Werkzeugen bestückbar ist.
• f) die Werkzeugaufnahme des Werkzeugaufnahmeschlittens übernimmt das in der Werkzeugübergabestation bereitgestellte Werkzeug und führt es über die Werkzeugübergabestation wieder dem Werkzeugmagazin zu und
• g) im Bereich des Werkzeugträgerschlittens sind eine Leistenleimstation, eine Leistenandrückstation und eine Leistenzuführungseinrichtung anbringbar oder maschinenfest angebracht.

Such a machine is from the DE 196 01 331 C1 known. This known machine is characterized by a combination of the following features:

• a) the workpiece support is provided with a transverse interruption,
• b) over the interruption runs a transverse arm, which carries a drivable tool receiving carriage,
• c) the tool receiving carriage is adjustable along the transverse arm and vertically movable up and down,
• d) on the back of the machine, a narrow workpiece carrier carriage is mounted following the split workpiece support, which carries the workpiece and with this parallel to the back of the machine back and forth,
• e) the cross boom is associated with a tool transfer station in the region of the machine rear side, which can be equipped with a tool magazine with one of several tools provided.
• f) the tool holder of the tool receiving carriage takes over the tool provided in the tool transfer station and returns it to the tool magazine via the tool transfer station and
• g) in the area of the tool carrier slide, a strip glue station, a strip edge return station and a strip feeding device can be attached or attached to the machine.

With these features, a machine for a universal machining of workpieces on wood or similar materials is created, which is inexpensive to produce, takes up little space and can be easily adapted to the different requirements.

The disadvantage of this machine is a complicated structure and the provision of all tools that are needed for a possibly required machining of the surface, the front sides and the edges of the tool plate and automatically replaced. In many cases it is sufficient to provide only the edges with strips and then edit the edges.

It is an object of the invention to provide a machine for Kantenanleimen and edge processing of workpiece plates made of wood or a similar material with a machine bed, just to be able to perform these only required for the edges of the workpiece plate work in a simple way, with a complex and complicated automatic tool replacement can be omitted and all necessary work can still run automatically.

The stated object is solved by the features of claim 1. It is assumed that the longitudinal slide carries the workpiece plate aligned with an edge on a zero axis and the machine bed is assigned a tool holder that receives the tools for edge processing. The edge banding is carried out by a sizing device, a strip pressing device and a strip feeding device. The invention now provides that approximately in the middle of the longitudinal axis of the machine bed a cantilever is fixedly mounted, that on the cantilever a machining head with all the tools required for edge processing (milling, chamfering, formatting, post-forming, buffing, polishing, etc.) is attached, wherein the tools are aligned to the zero axis, that the processing head, the glue device, the Leistenandrückvorrichtung and the bar feeder are assigned, that this device on the edge of the workpiece plate, which is aligned on the zero axis, glue a bar and that the tools of the machining head with edit the ledge edge of the workpiece plate.

The machining head makes a tool exchange during the processing of the workpiece plate is no longer necessary, since this already has all tools for edge processing, which then only in the zero axis to which they are aligned, must be brought into work. This is possible by simple adjustment and / or pivoting movements. The glueing device, the strip pressing device and the strip feeding device take over the work for strip glueing.

The machine is very simple in construction and is excellently suited for edgebanding and edge processing of workpieces made of wood or a similar material and has the advantage of a much shorter machine bed, especially in comparison to conventional edgebanders.

Thus, the workpiece plate is held on the longitudinal slide, is provided according to an advantageous embodiment that the longitudinal slide longitudinal support strips ( 18 ) with suction cups ( 19 ) and that the workpiece plate ( 20 ) on these suction cups ( 19 ) is placed and held, wherein the support strips ( 18 ) across the longitudinal slide ( 14 ) are adjustable (b) and the suction cups ( 19 ) on the support strips ( 18 ) are displaceable (a).

The positioning of the workpiece plate on the longitudinal slide and in particular its alignment with an edge on the zero axis is achieved in that the workpiece plate by abutment with stop pins ( 21 ) with touch sensors on the longitudinal slide ( 14 ) and can be aligned with an edge on the zero axis (x), wherein at least three stop pins ( 21 ) on two mutually perpendicular lines of the machine bed ( 10 ) and / or the longitudinal slide ( 14 ) are distributed.

The final fixing on the workpiece plate is made by the vacuum for the suction cups ( 19 ) after positioning the workpiece plate ( 20 ) on the longitudinal slide ( 14 ) and the positioned workpiece plate ( 20 ) on the longitudinal slide ( 14 ).

The structure of the longitudinal slide consists of two longitudinal bars and two cross beams, the transverse bars on guide parts on longitudinal slide guides of the machine bed are adjustable (e).

The advantageous embodiment of the machining head provides that the machining head a trimming unit with a vertically moving blade ( 27 ) for the front and the rear capping, wherein a sensing finger on both sides of the saw blade ( 27 ) ensures an exact cut, that for the milling or chamfering of the glued edge material, a milling tool is provided, which both the edge on the lower and the upper side of the workpiece plate ( 20 ) milling in the opposite direction, wherein the milling tool on the lower and the upper side of the workpiece plate ( 20 ) is pivotable that aggregates for buffing, polishing, a scraper blade device and a postforming device are provided, and that all these devices only vertical vertical movements and / or simple pivoting movements to the workpiece plate ( 20 ) To run.

The invention is based on a in the drawing 1 explained embodiment illustrated schematically.

As the 1 shows, the machine comprises a rectangular machine bed ( 10 ), which has on its upper side two longitudinal carriage guides ( 13 ) wearing. On these slide guides ( 13 ) is a longitudinal slide ( 14 ) in the direction (e) back and forth adjustable.

This longitudinal slide ( 14 ) consists of two crossbars ( 16 ) and two longitudinal beams ( 17 ), with the transverse spars ( 16 ) via guide parts on the slide guides ( 13 ) are adjustably guided. The longitudinal slide ( 14 ) has z. B. three support strips ( 18 ), which are longitudinal and, as the adjustment movement (e) shows, are transversely adjustable. On these longitudinal strips ( 18 ) are suction cups ( 19 ) in direction (a) displaceable. This is through the suction cups ( 19 ) formed a support on which a workpiece plate ( 20 ) can be stored and held when the suction cups ( 19 ) are subjected to a vacuum.

On the machine bed ( 10 ) are at least three stop bolts ( 21 ) are arranged with touch sensors on two mutually perpendicular sides. The two stop bolts ( 21 ) in the direction of the longitudinal dimension of the value plate ( 20 ) determine a zero axis (x) (line 11 ), on which an edge of the placed workpiece plate ( 20 ) is aligned. The third stop pin is used to align the workpiece plate in the x-direction to position the leading or trailing edge of the workpiece plate exactly below the processing levels of Kapp- or post-forming tools, since both machining operations are performed with stationary tool. The vacuum for the suction cups ( 19 ) is turned on, thereby fixing the work plate in the positioned position. Approximately in the middle of the upper longitudinal dimension is on the machine bed ( 10 ) a cantilever ( 24 ), which has a machining head ( 25 ), which is alignable with its tools on the zero axis (x). This machining head ( 25 ) is provided with all the tools required for machining a strip glued to the edge. These are tools for milling, chamfering, formatting, postforming, buffing, polishing, etc. In one embodiment of the machining head ( 25 ) is a trimming unit with a vertically moving to the workpiece plate saw blade ( 27 ) provided for the front and rear capping protruding strip parts, wherein a sensing finger on both sides of the saw blade ( 27 ) ensures an exact cut. For milling or chamfering the glued edge material, a milling tool is provided, which both the edge on the lower and the upper side of the workpiece plate ( 20 ) mills in the opposite direction. This milling tool can on the lower and the upper side of the workpiece plate ( 20 ) are pivoted. In addition, the machining head ( 25 ) Units for buffing, polishing, a scraper device and a postforming device on. All these devices are only perpendicular to the workpiece plate ( 20 ) adjustable and / or perform pivotal movements, which are aligned with the zero axis (x). The processing head ( 25 ) also has supplementary magazines ( 26 ) on. The the processing head ( 25 ) associated sizing device ( 28 ) is exactly aligned with the zero axis (x). The Leistenandrückvorrichtung is equipped with pressure rollers ( 29 ), so that the above the strip input ( 31 ) fed roll edges ( 32 ) and / or strips sufficiently against the edge of the workpiece plate ( 20 ) is pressed. Vertically pneumatically equipped counter-pressure rollers ( 30 ) press the workpiece plate ( 20 ) on the longitudinal slide ( 14 ) or suction cups ( 18 ). Instead of the roll magazine ( 32 ), the strips can also be exchanged via an exchangeable strip magazine ( 33 ).

The glued bar is after glueing by the tools in the processing head ( 25 ) processed.

The machine works in the following way:
The roughly cut tool plate ( 20 ) is on two mutually perpendicular sides of the three stop pins ( 21 ) of the machine bed ( 10 ) and by the vacuum at the suction heads ( 19 ) of the support strips ( 18 ). Then the following operations take place:

• 1. The workpiece plate ( 20 ) is ready cut to the longitudinal slide and placed on their sucker. The finished dimensions of the workpiece plate ( 20 ) are known to the machining center. The workpiece plate ( 20 ) after each pivoting operation on the stop pin ( 21 ) at.
• 2. At the first edge - preferably longitudinal edge - a bar is glued. In this case, a technically known glue process with the supply of the edge material. The pressure rollers of the pressure device bring the required contact pressure. The workpiece plate ( 20 ) is controlled by the pneumatically cushioned rollers of the roller magazine ( 32 ) stabilized. The workpiece plate ( 20 ) moves with the longitudinal slide ( 14 ) beyond the working plane in the y-direction. The bar is on the back by the chop saw ( 27 ) cut.
• 3. The milling unit swings up over the edge. The workpiece plate ( 20 ) with the longitudinal slide ( 14 ) returns to the starting position. The key-milling unit processes the edge at the top of the workpiece plate ( 20 ). At the end of the workpiece plate ( 20 ) is the overflow for the chop saw. The workpiece plate ( 20 ) is included. The edge material is at the front of the workpiece plate ( 20 ) and clipped over the finger on the front side.
• 4. The milling unit is placed on the underside of the workpiece plate ( 20 ) swung in. The workpiece plate ( 20 ) moves forward in the pass on the milling unit and machined the edge on the bottom. Both milling operations are processed by the same milling unit in the opposite direction.
• 5. The further procedure for the further processing operations follows in the same way.
• 6. After finishing the first edge (not postforming) the work piece plate ( 20 ) rotated 180 °. The workpiece plate ( 20 ) from the longitudinal slide ( 14 ) and with the new positioning back on the longitudinal slide ( 14 ). In this case, a check of the situation on the stop bolts ( 21 ) with the touch sensors.
• 7. The same gluing and edge processing process is done for the second edge.
• 8. To machine the third edge (front side), the workpiece plate ( 20 ) again rotated by 90 ° and on the longitudinal slide ( 14 ) discontinued. The third edge is machined as described, whereby in each case with a stationary workpiece plate ( 20 ) the postforming process expires.
• 9. The same applies to the editing of the fourth edge.
• 10. After completion of the workpiece plate ( 20 ) is an optical or acoustic signal.

LIST OF REFERENCE NUMBERS

10

machine bed

11

Longitudinal linear guide

12

cantilever

13

Cantilever linear guide

14

longitudinal slide

15

Vacuum Hubdrehvorrichtung

16

sucker

17

carrying strips

18

suction head

19

Stop bolt with touch sensor

20

Workpiece plate

21

Machining head for surface and front side

22

Processing head for edge processing, formatting, capping, milling u. s. w.

23

gluing device

24

roll magazine

25

Solid edge material

26

pressure rollers

27

pressure rollers

a

Longitudinal movement of the longitudinal slide 14 on the machine bed 10

b

Lowering and lifting movement of the vacuum lifting device 15

c

Pivoting movement of the vacuum lifting device 15

d

Longitudinal adjustment of the support strips 17 on the longitudinal slide 14

e

Movement of the suction cups 18 on the carrying rails 14

f

Longitudinal movement of the adjustment slide 14

G

Adjusting movement of the 1st machining head 21

H

Adjusting movement of the 2nd machining head 22

i

Adjusting movement of the glueing device

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 19601331 C1 [0002]

Claims (7)

Machine for edge banding and edge processing of workpiece plates ( 20 ) of wood or similar material with a machine bed ( 10 ), on which a longitudinal slide ( 14 ) is longitudinally adjustable (e), wherein the longitudinal slide ( 14 ) the workpiece plate ( 20 ) with one edge aligned with a zero axis (x), wherein the machine bed ( 10 ) is associated with a tool holder, which receives the tools for edge processing and wherein the Kantenanleimung of a sizing device ( 28 ), a Leistenandrückvorrichtung ( 29 . 30 ) and a bar feeder ( 32 . 33 ) is executable, characterized in that approximately in the middle of the longitudinal side of the machine bed ( 10 ) a cantilever ( 24 ) is fixed in place that on the cantilever ( 24 ) a processing head ( 25 ) is fastened with all the tools required for edge processing (milling, chamfering, formatting, postforming, buffing, polishing, etc.), the tools being alignable with the zero axis (x) such that the machining head ( 25 ) the glueing device ( 28 ), the groin pushing device ( 29 . 30 ) and the bar feeder ( 32 . 33 ) are assigned to these devices on the edge of the workpiece plate ( 20 ), which is aligned with the zero axis (x), glue a strip and that the tools of the machining head ( 25 ) provided with the bar edge of the workpiece plate ( 20 ) to edit. Machine according to claim 1, characterized in that the machining head ( 25 ) a trimming unit with a vertically movable saw blade ( 27 ) for the front and the rear capping, wherein a sensing finger on both sides of the saw blade ( 27 ) ensures a precise cut, that for the milling or chamfering of the glued edge material a grooving milling tool is provided, which both the edge on the lower and the upper side of the workpiece plate ( 20 ) milling in the opposite direction, wherein the milling tool on the lower and the upper side of the workpiece plate ( 20 ) is pivotable that aggregates for buffing, polishing, a scraper blade device and a postforming device are provided, and that all these devices only vertical vertical movements and / or simple pivoting movements to the workpiece plate ( 20 ) and that the machining processes caps and postforming in standing longitudinal slide ( 14 ) and workpiece plate ( 20 ), the machining processes milling, buffing, polishing or scraper blade machining with moving longitudinal slide, as well as the gluing done. Machine according to claim 1, characterized in that the workpiece plate ( 20 ) by stop bolts ( 21 ) with or without touch sensors on the longitudinal slide ( 14 ) and can be aligned with an edge on the zero axis (x), wherein at least three stop pins ( 21 ) on two mutually perpendicular lines of the machine bed ( 10 ) and / or the longitudinal slide ( 14 ) are distributed. Machine according to claim 1, characterized in that a glueing device ( 28 ) is provided, which transversely to the longitudinal edge of the machine bed ( 10 ) and transversely thereto by scanning the contour of the workpiece plate ( 20 ) is adjustable (d) and that the gluing process during the longitudinal movement of longitudinal slides ( 14 ) and workpiece plate ( 20 ) he follows. Machine according to claim 1, characterized in that the longitudinal slide ( 14 ) longitudinal support strips ( 18 ) with suction cups ( 19 ) and that the workpiece plate ( 20 ) on these suction cups ( 19 ) is placed and held, wherein the support strips ( 18 ) transverse to the longitudinal slide ( 14 ) are adjustable (b) and the suction cups ( 19 ) on the support strips ( 18 ) are displaceable (a). Machine according to claim 1 to 3, characterized in that the vacuum for the suction heads ( 19 ) after positioning the workpiece plate ( 20 ) on the longitudinal slide ( 14 ) and the positioned workpiece plate ( 20 ) on the longitudinal slide ( 14 ). Machine according to claim 1 to 6, characterized in that the longitudinal slide ( 14 ) of two longitudinal beams ( 17 ) and two transverse beams ( 16 ), the transverse beams ( 16 ) via guide members on longitudinal slide guides ( 13 ) of the machine bed ( 10 ) are adjustable (e).

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