DE102009025822A1 - Method for manufacturing furniture plate, involves introducing recess at supporting and/or decoration edge of furniture plate, and inserting connection fitting into recess, where connection fitting is adhered to furniture plate - Google Patents

Abstract

The method involves arranging a middle layer (4) between upper and lower cover plates (2, 3) of a furniture plate (1), where the furniture plate includes supporting and/or decoration edge (5). The furniture plate is fixed to a retaining device. A recess (6) is introduced at the supporting and/or decoration edge, and is broader in an area of the middle layer than in an area of the upper cover plate, where the recess is produced by drilling. A connection fitting is inserted into the recess, and is adhered to the furniture plate. An independent claim is also included for a device for manufacturing a furniture plate.

Description

The The present invention relates to a process for the preparation of a Furniture panel, with two outer cover panels, between which a middle layer is arranged, a device for producing a furniture panel, with two outer ones Cover plates, between which a middle layer is arranged, with a holding device for fixing the furniture panel, means for introducing a recess on a front edge of the furniture panel, Means for inserting a connection fitting in the Recess and means for bonding the connection fitting in the furniture plate, and a corresponding furniture plate.

The DE 20 2007 015 604 discloses a connection fitting for lightweight panels, in which at a front edge of a lightweight panel, a U-shaped recess is provided which serves to receive a housing part of a connection fitting. The housing part has an adhesive chamber open to the lower cover plate in order to be fixed to the lightweight building board. On the upper cover plate, the housing part is substantially positive fit. For lightweight panels, the problem is that only the cover plates can absorb tensile loads, while the middle layer arranged therebetween is only suitable for receiving pressure loads. In this respect, the strength of connection fittings on lightweight panels depends on the mechanical strength of the connection between a housing part of the connection fitting and the lightweight panel. In addition, the assembly of connection fittings should be done in an effective manner, in particular an automated production as possible should be feasible.

It is therefore an object of the present invention, a method and a device for producing a furniture panel as well to create an appropriate furniture panel, which is an effective Allow manufacturing and a reliable connection between the furniture panel and the connection fitting.

These The object is achieved by a method having the features of the claim 1, a device with the features of claim 9 and a furniture plate solved with the features of claim 12.

at the inventive method is first the furniture plate fixed to a holding device to subsequently to insert a recess on a supporting and / or decorative edge, wherein the recess in the region of the middle layer is wider than in the area of an upper cover plate. Subsequently, a Connecting fitting inserted into the recess, which then is glued to the furniture plate. By introducing a step-shaped recess, which is in the area of the middle layer the furniture panel is wider than in the area of an upper Cover plate, the furniture plate can be effectively produced be, with the connection fitting can be glued stable, because by the stepped formation of the recess the Bottom of the upper cover plate accessible for bonding is done. The terms "up" and "down" are chosen only for the designation of the cover plates but have no restriction regarding the actual arrangement of the furniture panel, So the upper cover plate can also be arranged below.

According to one Embodiment of the invention is the recess in one direction parallel to the front edge on an upper cover plate by at least 10%, preferably more than 20% shorter than in the area of Middle class. As a result, an adhesive chamber which is open towards the cover plate have the necessary width to a stable attachment of Connection fitting to ensure the cover plate. The adhesive chamber may be several millimeters wide, wherein preferably on opposite sides of the recess an adhesive chamber is provided in each case.

The stepped recess is preferably made by drilling, being the diameter of at least two in a drilling tool used drill of the thickness of the furniture panel to be processed depends. It can thus be the least two drills have a same diameter. Especially when editing of furniture panels of greater thickness can the diameters of the at least two drills are different. It is also possible to recess by milling then produce a stepped milling tool vertically is moved to the front edge.

Around making the recess with a predetermined geometry is the lower cover plate preferably at least partially removed. On the lower cover plate, a flat recess can then be milled or it becomes a perpendicular to the front edge channel drilled. This allows the connection fitting relatively precise in the recess are used, which is especially with regard to the bonding of the connection fitting is necessary to one Leaving the adhesive at a gap between connection fitting and avoid a cover plate as possible.

At the Bonding the adhesive is preferably in a chamber of the connection fitting filled out towards the bottom of the top cover plate is open. Preferably, when bonding adhesives both in Adhesive chambers introduced on the upper cover plate and on the lower cover plate.

at the device according to the invention are the means for introducing the recess designed so that the recess is wider in the middle layer than in the upper part Cover plate. The recess can in particular by a stepped Milling tool are introduced, but also several drills with different diameters can be provided. The drilling tool has at least one drill opposite at least one other drill in the direction of movement when drilling is leading and preferably a larger one Drill diameter has. The borehole centers of the at least two holes formed level is not to the level of Surface of furniture panel parallel. By means of the milling tool or the drilling tool can then in the upper cover plate a strip-shaped Recess are introduced, which is substantially rectangular. In the middle layer is also a cuboid Recess introduced, which, however, is wider than the recess in the upper cover plate, allowing a particularly stable attachment of the connection fitting is achieved during bonding. The lower one Cover plate is during the milling or drilling process just scratched to get a flat bearing surface. The introduction of the stepped recess can also under a automated production.

According to the invention In addition, a furniture panel with two outer Cover plates, between which a middle layer is arranged, provided, wherein in a recess on a front side a connection fitting is determined and the connection fitting is designed stepped and with a broader section in the middle class area the recess is inserted and a narrower section of the connection fitting in the region of an upper cover plate arranged is. This allows the connection fitting in a simple way both stable on the lower cover plate as well as on the upper cover plate be glued.

At the connection fitting is at least one upwardly open adhesive chamber provided, which open to the underside of the upper cover plate is. Furthermore, at least one adhesive chamber of the connection fitting be open to the lower cover plate. The two adhesive chambers are preferably connected to each other via a channel, so about injecting adhesive into this channel simultaneously glued both adhesive chambers with the respective cover plate can be. This reduces the cycle times the production of the furniture board.

The Invention will be described below with reference to several embodiments with reference to the accompanying drawings explained. Show it:

1 a perspective view of a tool for performing the method;

2A and 2 B two views of the tool 1 in the production of a recess;

3 Front view of a recess made with a tool of the 1 ;

4A to 4C several perspective views of the mounting of a connection fitting of the furniture plate of 2 ;

5A to 5C several views of the tool for mounting the connection fitting;

6A to 6C several perspective views of furniture panels with mounted connection fitting;

7A to 7C several views of the connection fitting of 6 ;

8A and 8B two sectional views of the connection fitting of 7 in the assembled position;

9 a perspective view of a modified tool for the inventive method;

10A and 10B two views of the tool 9 in the preparation of;

11A to 11C several views of a furniture panel and a connection fitting during installation.

An in 1 illustrated drilling tool 10 serves for producing a furniture panel according to the invention and comprises a central drill 11 having a larger diameter than the two adjacent drills 12 , The drill 11 is opposite the drills 12 offset in height, so he unlike the drills 12 during drilling a cuboid recess in the cover plate 2 leaves. Furthermore, the drilled holes partly overlap due to the partially offset arrangement of the drills 11 and 12 ,

In the 2A and 2 B is the drilling tool 10 adjacent to a furniture panel 1 shown. The furniture plate 1 comprises two outer cover plates, which consist for example of cardboard or a wood material. Between the outer cover plates 2 and 3 is a middle class 4 arranged, in particular in lightweight construction as honeycomb board, foam board or of another material, such as light Höl Zern, straw or hemp fibers, foamed material, etc. may be made. The furniture plate 1 is formed substantially cuboid and includes a front edge, which serves as a support and / or decorative edge 5 is formed and connected to the over the drilling tool 10 a recess 6 will be produced.

The recess 6 is graduated. In the area of the upper cover plate 2 represents the drilling tool 10 only through the drill 11 due to the height offset t to the drills 12 , make a recess, leaving on one edge 7 on the upper cover plate 2 the recess 6 the width b is present. As 3 shows, from the bore center of the larger bore A with the bore center of one of the smaller holes a plane formed is not to the plane of the surface of the furniture panel 1 parallel. In the middle class 4 reach through all the drills 11 and 12 the furniture panel 1 so that the area of the middle class 4 the recess has the larger width B, which is almost twice as wide as the recess in the upper cover plate 2 ,

As in the 4A to 4C shown is in a recess 6 on a support and decorative edge 5 the furniture panel 1 one housing each 20 a connection fitting inserted. The housing 20 is about grapple 16 held on a gripping tool 15 are arranged. With the gripping tool 15 becomes the case 20 automatically into the recess 6 inserted.

The gripping tool 15 includes adjacent to the grippers 16 jet 17 for adhesives in openings 25 of the housing 20 are insertable ( 5A ). The nozzles 17 have conical tapers in the front area, which contribute to the housing 20 exactly to the gripping tool 15 to center and position. If the case 20 at the grabs 16 is fixed, there are the nozzles 17 in the openings 25 , Once the case 20 in the furniture panel 1 can be inserted, the fixing of the housing 20 by injecting adhesive.

In the 6A to 6C an application example is shown in which a furniture panel 1 on a support and / or decorative edge 5 casing 20 and 20 ' the connection fittings are fixed. The two housings 20 and 20 ' the connection fittings are used to connect two adjacent furniture panels 1 For example, for making a table top, connecting walls of a furniture body or for other applications. The housing 20 and 20 ' of the connection fitting are via a locking element 30 releasably fixed to each other. In the 7A to 7C are the housings 20 and 20 ' shown in detail. The housing 20 comprises three interconnected tubular bodies, a higher central portion 21 , which has an upper edge to the peripheral edge 7 the recess 6 can be applied. Adjacent to the middle section 21 are two cup-shaped side sections 22 provided in the area of the middle class 4 between the upper cover plate 2 and the lower cover plate 3 be inserted. At the two side sections 22 is in each case an upper adhesive chamber 23 formed upwards to the cover plate 2 is designed to be open. It is also located on each side section 22 a lower adhesive chamber 24 leading to the cover plate 3 is designed to be open. By injecting adhesive into openings 25 at the front of the housing 20 can the adhesive chambers 23 and 24 be filled. At the front end of the housing 20 are also a projection 26 and a recording 27 that with a lead 26 and a recess 27 an adjacent housing 20 ' can be engaged and serve as a centering aid. An adjacent housing 20 ' is similar to the case 20 constructed and includes a higher middle section 21 where there are side sections 22 with an upper adhesive chamber 23 and a lower adhesive chamber 24 connect. On the case 20 ' is also a Rastele ment 30 mounted in the form of a pivotable lever, which engages with a detent recess 34 on the housing 20 can get.

First, a housing 20 respectively. 20 ' on a furniture board 1 inserted and glued, the adhesive chambers 23 and 24 through the cover plates 2 and 3 be limited. At the lower cover plate 3 are perpendicular to the support and / or decorative edge 5 extending tubular channels 8th trained by the drill 12 getting produced. Appropriate channels 8th can also be on the upper cover plate 2 be formed so that the load capacity of the adhesive joint in a direction parallel to the support and / or decorative edge 5 is increased.

In the 8A and 8B is the connection fitting with the housings 20 and 20 ' shown in the assembled position. The locking element 30 was pivoted and attacks with a latching tongue 31 at the cesspool 34 at. At the locking element 30 is a protruding handle section 32 for easier operation of the locking element 30 formed around the axis 33 rotatable on the housing 20 ' is stored.

For effective fixing of the housing 20 and 20 ' on the furniture panels 1 is one with the opening 25 formed communicating channel, which the respective adhesive chambers 23 and 24 connects with each other. This can be done with the injection of adhesive in the opening 25 a bonding of the housing 20 and 20 ' with both cover plates 2 and 3 respectively.

In 9 is a modified tool 10 ' for producing a stepped recess on a furniture panel 1' shown. The milling tool 10 ' includes a milling head with a widened diameter 11 ' and a section 12 ' of smaller diameter adjacent to the section 11 ' is arranged. The milling head with the sections 11 ' and 12 ' is about a common axis 13 ' rotatably driven.

In the 10A and 10B is a furniture board 1' shown as the furniture panel 1 of the preceding embodiment and an upper cover plate 2 , a lower cover plate 3 and in between a middle class 4 includes. On a support and / or decorative edge 5 ' are one or more Aussparun conditions 6 ' manufactured, which are stepped and formed in the upper cover plate 2 a circumferential edge 7 ' have, which has the width b. In the middle class 4 is the recess 6 ' wider and has the width B on. This is achieved by the section 11 with larger diameter of the milling tool 10 ' in the middle class 4 in the furniture panel 1' is introduced while the section 12 ' with a smaller diameter only in the area of the upper cover plate 2 milled.

For the production of a furniture board 1' will be according to the 11A to 11C a housing 40 or 40 ' a connection fitting in the corresponding recess 6 ' inserted and glued there.

The housing 40 and 40 ' of the connection fitting are formed substantially U-shaped and comprise a lower wider portion 41 who is in the middle class 4 the furniture panel 1' is arranged. From the wider section 41 extends an upper edge 42 vertically upwards, which is U-shaped and to the edge 7 ' the upper cover plate 2 can be applied. On the cases 40 and 40 ' is adjacent to the edge 42 on opposite sides in each case an upwardly open adhesive chamber 43 designed for bonding the housing 40 respectively. 40 ' with the upper cover plate 2 provides. Likewise, on the housings 40 and 40 ' each lower adhesive chambers 44 designed for gluing to the lower cover plate 3 to care. The adhesive chambers are 44 to the cover plate 3 opened, with the recess 6 ' partially in the lower cover plate 3 extends into it. This ensures that the recess 6 ' independent of manufacturing tolerances in the manufacture of the furniture board 1' is produced and a fitting insertion of the housing 40 and 40 ' is guaranteed.

Every case 40 respectively. 40 ' comprises one or more openings on one end face 45 for injecting adhesive. On the front side are also two spaced projections 46 provided in appropriate shots 47 an adjacent housing 40 respectively. 40 ' can be inserted. To the housing 40 and 40 ' to lock together is a pivoting locking element 30 ' provided with a spring tab 31 ' at a detention well 34 ' is latched. For mounting the housing 40 and 40 ' becomes adhesive in openings 45 injected, which via a channel the adhesive to the adhesive chambers 43 and 44 to distribute. This can simultaneously gluing with the upper cover plate 2 and the lower cover plate 3 respectively.

In the illustrated embodiments, the adhesive chambers 43 and 44 each wedge-shaped. Of course, it is also possible to provide other forms of adhesive chambers to a housing 20 . 20 ' . 40 . 40 ' a connection fitting with a furniture plate 1 . 1' to stick together.

1

furniture board

1'

furniture board

2

cover plate

3

cover plate

4

middle class

5

supporting and decorative edge

5 '

supporting and decorative edge

6

recess

6 '

recess

7

edge

7 '

edge

8th

channel

9

u

10

drilling

10 '

Tool / milling cutter

11

drill

11 '

Diameter / section

12

drill

12 '

section

13

axis

13 '

axis

14

W

15

gripping tool

16

grab

17

jet

18

Q

19

W

20

casing

20 '

casing

21

midsection

22

side portion

23

Adhesive chamber

24

Adhesive chamber

25

opening

26

head Start

27

Recording / recess

28

Q

29

W

30

locking element

30 '

locking element

31

catch tongue

31 '

spring shackle

32

handle portion

33

axis

34

catch recess

34 '

catch recess

35

A

36

Q

37

W

38

e

39

R

40

casing

40 '

casing

41

section

42

edge

43

Adhesive chamber

44

Adhesive chamber

45

opening

46

head Start

47

admission

48

Q

49

W

A

diameter

a

diameter

b

width

B

width

t

height offset

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 202007015604 [0002]

Claims (18)

Method for producing a furniture panel ( 1 . 1' ), with two outer cover plates ( 2 . 3 ), between which a middle class ( 4 ), and the one supporting and / or Dekorkante ( 5 . 5 ' ), comprising the following steps: - fixing the furniture panel ( 1 . 1' ) on a holding device; - Inserting a recess ( 6 . 6 ' ) on a support and / or decorative edge ( 5 . 5 ' ) of the furniture panel ( 1 . 1' ), wherein the recess ( 6 . 6 ' ) in the area of the middle class ( 4 ) is wider than in the area of an upper cover plate ( 2 ); - Inserting a connection fitting ( 20 . 20 '; 40 . 40 ' ) in the recess ( 6 . 6 ' ), and - bonding the connection fitting ( 20 . 20 '; 40 . 40 ' ) on the furniture panel ( 1 . 1' ). Method according to claim 1, characterized in that the recess ( 6 . 6 ' ) in a direction parallel to the supporting and / or decorative edge ( 5 . 5 ' ) on the upper cover plate ( 2 ) is at least 10%, preferably more than 20% shorter than in the middle layer ( 4 ). Method according to claim 1 or 2, characterized in that the recess ( 6 ) is produced by drilling and at least two drills ( 11 . 12 ) are used. Method according to claim 3, characterized in that at least one first drill ( 11 ) against at least one second drill ( 12 ) are moved in succession when drilling in the direction of movement. Method according to claim 3 or 4, characterized in that the plane formed from the bore center point of the larger bore (A) with the center of the bore of one of the smaller holes (a) does not extend to the plane of the surface of the furniture panel ( 1 ) is parallel. Method according to one of claims 3 to 5, characterized in that at least two drills ( 11 . 12 ) are used with different diameters. Method according to claim 1 or 2, characterized in that the recess ( 6 ' ) is produced by milling and a stepped milling tool ( 10 ' ) perpendicular to the support and / or decorative edge ( 5 ) is moved. Method according to one of claims 1 to 7, characterized in that during insertion of the recess ( 6 . 6 ' ) the lower cover plate ( 3 ) is at least partially removed. A method according to claim 8, characterized in that in the lower cover plate ( 3 ) is milled a flat recess. A method according to claim 8, characterized in that in the lower cover plate ( 3 ) a perpendicular to the front edge extending channel ( 8th ) is drilled. Method according to one of claims 1 to 10, characterized in that in bonding adhesive in a chamber ( 23 . 43 ) of the connection fitting ( 20 . 40 ) leading to the underside of the upper cover plate ( 2 ) is open. Device for producing a furniture panel ( 1 . 1' ) with two outer cover plates ( 2 . 3 ), between which a middle class ( 4 ) is arranged, with a holding device for fixing the furniture plate ( 1 . 1' ), Means ( 10 . 10 ' ) for introducing a recess ( 6 . 6 ' ) on a support and / or decorative edge ( 5 . 5 ' ) of the furniture panel ( 1 . 1' ), Means for inserting a connection fitting ( 20 . 20 ' . 40 . 40 ' ) in the recess ( 6 . 6 ' ) and means for bonding the connection fitting ( 20 . 20 ' . 40 . 40 ' ) in the furniture panel ( 1 . 1' ), characterized in that the means for introducing the recess ( 6 . 6 ' ) are configured so that the recess ( 6 . 6 ' ) in the area of the middle class ( 4 ) is wider than in the area of the upper cover plate ( 2 ). Apparatus according to claim 12, characterized in that a stepped milling tool ( 10 ' ) is provided to the recess ( 6 ' ) at the support and / or decorative edge ( 5 ' ) of the furniture panel ( 1' ). Apparatus according to claim 12, characterized in that a plurality of drills ( 11 . 12 ) with different diameter for introducing the recess ( 6 ) are provided Furniture panel ( 1 . 1' ) with two outer cover plates ( 2 . 3 ), between which a middle class ( 4 ), and one in a recess ( 6 . 6 ' ) on a support and / or decorative edge ( 5 . 5 ' ) fixed connection fitting ( 20 . 20 ' . 40 . 40 ' ), characterized in that the connection fitting ( 20 . 20 ' . 40 . 40 ' ) and with a wider section in the middle layer into the recess ( 6 . 6 ' ) and a narrower section in the area of an upper cover plate ( 2 ) is arranged. Furniture panel according to claim 15, characterized in that at the connection fitting ( 20 . 20 ' . 40 . 40 ' ) at least one upwardly open adhesive chamber ( 23 . 43 ) provided to the underside of the upper cover plate ( 2 ) is open. Furniture panel according to claim 15 or 16, characterized in that at least one adhesive chamber ( 24 . 44 ) of the connection fitting ( 20 . 40 ) to the lower cover plate ( 3 ) is formed open towards. Furniture panel according to claim 17, characterized in that an upper and a lower adhesive chamber ( 23 . 24 . 43 . 44 ) are connected to each other via a channel.