EP3025834A1 - Guiding device - Google Patents

Abstract

The invention relates to a guide device (1) for a profile (3) movable along a conveying direction (7) made of a wood material on a woodworking machine (2). The guide device (1) is adjustable in height and width and has guide means (11, 12, 21, 22) which are movable relative to each other and mutually formed transversely to the conveying direction (7) engageable and overlapping and together a guide channel for form the profile (3).

Description

The invention relates to a guide device for a workpiece and a woodworking machine with the features in the preamble of the independent claims.

From practice, a woodworking machine with a one-dimensionally adjustable guide device is known. The variant width of the wooden profiles that can be processed is limited.

It is therefore an object of the present invention to provide an improved guide device and an improved processing machine.

The invention solves this problem with the features in the independent claims.
The claimed guide device can be adjusted in height and in width, resulting in a very large adjustment range and a large variant width of machinable workpiece geometries, in particular profile geometries results.

The guide device may comprise guide means, which are designed to be movable relative to one another and to be able to engage and overlap one another transversely to the conveying direction. the guide means may comprise one or more relatively fixed height and / or side guide means and one or more height and / or side guiding means which can be delivered transversely to the conveying direction.

Particular advantages are the preferred use in window and furniture for the wood profiles used there. These can be a complicated shape with Have steps, curves or the like. With the claimed guide device, these complicated profile shapes can still be performed safely and accurately for processing.

A processing may e.g. by grinding one or more workpiece sides. This can be done in the area of the guide device. In addition, a processing can also be done by brushing or otherwise cleaning the workpiece or other processing or treatment.

A particular advantage of the claimed engageable and overlapable height and side guide means is the greatly enlarged Zustellbereich. Due to the overlap or the teeth-like or tooth-like mutual engagement, the height and side guide means and the guide channel formed thereby can also be set to very small workpiece sizes and can guide them safely and accurately.

Preferably, at least the deliverable height and side guide means are mutually formed transversely to the conveying direction engageable and overlapping. The deliverable height and side guide means may also be designed to be engageable and overlapping with respect to an adjacent, relatively stationary height or side guiding means transversely to the conveying direction.

The arranged on the side and height guide means guide elements may be formed, for example, as a rotatable rollers. At least some guide elements, preferably the deliverable guide elements, may have a transversely directed to the conveying and guiding direction length which is equal to or greater than the maximum facing workpiece dimension. This allows everyone Workpiece sizes are equally safe and reliable. However, it is alternatively possible that the said length of the guide elements is smaller than the maximum facing workpiece dimension.

The guide elements, in particular rollers, preferably have a straight extension or cylindrical shape in the area of contact with the workpiece. This is advantageous because a guide channel with constant contour and flat Hüllwänden is formed by the series arrangement in conveying or guiding direction, which is equally well suited for a variety of workpiece cross-sections and requires no further adjustment except the delivery of the height and side guide means. However, the straight extension or cylindrical shape is not absolutely necessary, so that deviations and contoured shell shapes are possible.

The deliverable guide elements, possibly also the relatively stationary guide elements, can each be arranged on the front side of a slim support arm. The support arm can extend from a rear frame transversely to the conveying direction. The support arms can each be arranged in the conveying direction offset to gap and possibly engageable and overlapping. In particular, the transversely oriented support arms can be arranged with gap offset and mutually engageable and overlapping. It is also favorable if the support arms have a free Kraglänge which is greater than the engagement and overlap path.

The orientation of the workpieces in the supply or placement in the processing machine is arbitrary. Safe and precise guidance can be ensured with every workpiece alignment. It is thus possible to supply all workpieces with the visible side up, especially if the workpiece machining, preferably Grinding, done in the processing machine from above. Thus, for example, narrow workpieces can be edited edgewise. This advantage is of particular importance in folded window squares, since the widest side is usually the window sidelight. Such a window edge timber should therefore be inserted with the narrow side down. In the machining technique according to the invention this is possible without any problems in the guidance and machining of the workpiece. An undesirable tilting of the workpiece and a concomitant deterioration of the surface and processing quality can be reliably prevented with the invention.

When machining a workpiece with a horizontal sanding belt, an exact horizontal guidance of the workpiece is necessary to achieve optimum surface and machining quality. This is ensured with the invention by the channel formation and the four-sided guide, in particular roller guide.

After the workpieces in the claimed processing device can be inserted and processed in any orientation, this loading position and position of the workpiece can be tuned to upstream or downstream processing steps. The claimed processing machine, in particular woodworking machine, is thus optimally suitable for automated production. It can be easily combined with subsequent other equipment or machines, especially conveying, painting and drying systems.

In the subclaims further advantageous embodiments of the invention are given.

Figur 1:

eine perspektivische Ansicht einer Holzbearbeitungsmaschine mit einer Führungseinrichtung für ein Werkstück,

Figur 2:

eine vergrößerte perspektivische Darstellung der Führungseinrichtung von Figur 1,

Figur 3:

eine perspektivische Darstellung der Führungsmittel der Führungseinrichtung von Figur 1 und 2,

Figur 4 bis 6:

eine Draufsicht, eine Seitenansicht und eine Stirnansicht der Führungsmittel gemäß Pfeilen IV, V und VI von Figur 2, und

Figur 7 und 8:

die Führungseinrichtung in verschiedenen Betriebsstellungen an unterschiedlichen Werkstückformen.

The invention is illustrated by way of example and schematically in the drawings. In detail show:

FIG. 1:

a perspective view of a woodworking machine with a guide device for a workpiece,

FIG. 2:

an enlarged perspective view of the guide device of FIG. 1 .

FIG. 3:

a perspective view of the guide means of the guide device of FIG. 1 and 2 .

FIGS. 4 to 6:

a plan view, a side view and an end view of the guide means according to arrows IV, V and VI of FIG. 2 , and

FIGS. 7 and 8:

the guide device in different operating positions on different workpiece shapes.

The invention relates to a guide device (1) for a workpiece (3) and a processing machine (2), in particular a woodworking machine, with such a guide device (1).

FIG. 1 shows a processing machine (2) for workpieces (3) which are guided along a conveying direction (7) by means of the guide device (1). The workpieces have an elongated shape and are preferably formed as profiles. They can consist of any material. Preferably, they consist of a wood material, wherein the machine (2) is designed as a woodworking machine.

The workpieces (3) are designed in particular as wood profiles for window and furniture construction. These are wood profiles which are manufactured in a preceding planing machine or the like to a specific cross-sectional shape and a certain dimension and then pretreated in the woodworking machine (2) for the subsequent painting.

They are hereby processed by means of one or more processing devices (8,9) in the region of the guide device (1). For example, these are two spaced apart in the conveying direction (7) successively arranged grinding means (8), which are formed for example as a belt grinder with which the top and bottom of the workpiece (3) is ground. These grinding devices (8) are located at corresponding free spaces (32) of the guide device (1) and are aligned transversely to the conveying direction (7).

Furthermore, one or more further processing device devices (9) may be present in the region of the guide device (1). This can e.g. Brush units for cleaning the workpiece (3) before and after grinding. By way of example, one or two vertical brush units (9) are arranged in the entrance area of the guide device (1), which may be changed in inclination by means of an adjusting device (10) and can also be delivered to the workpiece (3) transversely to the conveying direction (7). Furthermore, one or more further brush units (9), in particular horizontal brushes, can be arranged between and behind the grinding devices (8).

The guide device (1) can be adjusted in height and width. It includes relatively movable guide means (11,12,21,22). The adjustment is possible in one or two axes. It can be done manually or by means of a drive. In particular, by means of a suitable electronic control (not shown) and corresponding drives an automatic adjustment on the basis of a dimensional and / or position input possible. The dimension input can be carried out by manual adjustment of an operator on site or remotely by means of data transmission. For this purpose, the processing machine (2) can have a suitable operating device with a display, eg a monitor, and possibly one or more interfaces for data transmission.

The guide device (1) has e.g. one or more relatively vertical height guide means (21) and side guide means (11) and one or more transversely to the conveying direction (7) undeliverable height guide means (22) and side guide means (12). These guide means (11,12,21,22) are arranged along the conveying direction (7) and aligned. Together they form a guide channel (4) surrounding the workpiece (3). The guide means (11,12,21,22) are arranged at right angles to each other and above the corner, wherein they form with each other a rectangular cross-section guide channel (4).

The processing machine (2) further comprises a conveying device (5) with which the workpiece (3) is transported into and through the guide device (1) and the processing machine (2). The conveyor device (5) has a conveyor drive (6) with conveyor rollers (23), which are arranged, for example, in the lower region of the conveyor device (1). The conveyor rollers (23) can be a part of the lower and relatively stationary height guide means (21). Alternatively, the conveying device (5) may be formed and arranged in a different manner.

The deliverable side and height guide means (12,22) can be delivered together or independently. In the embodiments shown, a separate deliverability is present, wherein the deliverable side guide means (12) has its own feed device (19) with a horizontal feed axis (20) transversely to the conveying direction (7). The deliverable height guide means (22) also has its own feed device (29) with a vertical feed axis (30). The feed devices (19, 29) can be operated manually or mechanically. In the embodiments shown, they each have their own controllable feed drive. The feed drives can be connected to the mentioned control. The delivery can e.g. via a position specification of the delivery and / or by a dimensional specification of the workpiece (3).

As FIGS. 7 and 8 clarify, the workpieces (3), in particular the wood profiles, have a very different cross-sectional shape. In the simplest case, they can be designed as a rectangular profile. In the preferred window and furniture construction area, other more complicated cross-sectional shapes with steps, curves or the like deviate from flat surfaces. FIGS. 7 and 8 show two examples for this. With the claimed guide device (1) any cross-sectional sizes and geometries of the workpieces (3) can be performed accurately and safely in the guide channel (4).

The deliverable side and height guide means (12,22) are mutually formed transversely to the conveying direction (7) engageable and overlapping. Your delivery movements and delivery routes may intersect. This allows a guidance of very large and very small workpiece cross-sections. In FIGS. 7 and 8 is the Engagement and overlap region (31) shown.

The deliverable side and height guide means (12,22) may also be formed with respect to an adjacent and relatively stationary side or height guide means (11,21) transversely to the conveying direction (7) engageable and overlapping. However, this is not mandatory. You can also according to FIG. 6 be arranged with side or height offset and are moved without interference in the delivery past each other.

The side and height guide means (11,12,21,22) each have a plurality of in a row with mutual spacing (18,28) along the conveying direction (7) arranged guide elements (13,14,23,24).

At least the spaced guide elements (14,24) of the deliverable side and height guide means (12,22) are each mutually offset in the conveying direction (7) gap and thereby arranged engageable and overlapping.

In addition, the guide elements (13,23) of the relatively fixed side and height guide means (11,21) in a row at a mutual distance along the conveying direction (7) and be arranged offset in space.

The guide elements (13, 14, 23, 24), which are preferably aligned in the conveying direction (7), form the lateral, upper and lower enveloping walls of the guide channel (4). Due to the straight extension of the guide elements (13,14,23,24) result flat envelope walls. Alternatively, contouring is possible.

The number of guide elements (13, 14, 23, 24) on the side and height guiding means (11, 12, 21, 22) may be the same or different. Preferably, at least some of the lateral guide elements (13,14) along the guiding or conveying direction (7) are arranged directly opposite each other and thus act on both sides at the same height leader on the workpiece (3). A corresponding opposing arrangement may also be present on the upper and lower guide elements (23, 24).

The guide elements (13,14,23,24) may be formed in any suitable manner. They preferably have a straight extension in the area of contact with the workpiece (3). In the illustrated and preferred embodiments, they are designed as rotatable, preferably cylindrical rollers whose axes are each aligned transversely to the conveying direction (7). The side rollers (13,14) and the deliverable roof rollers (24) are freely rotatably mounted on axles. The lower stationary guide elements or bottom rollers (23) can be designed in the aforementioned manner as controllably driven conveyor rollers of the conveyor device (5). A drive can e.g. via the chain drives indicated in the drawings. Alternatively or additionally, one or more arbitrary other guide elements (13, 14, 23, 24) may be designed as controllably driven conveying rollers of the conveying device (5).

The cylindrical rollers (13,14,23,24) may have a sheath made of an elastic material, such as rubber. The jacket material may also have a high coefficient of friction, especially in the bottom or conveyor rollers (23). The diameter of the bottom or conveyor rollers (23) may be larger than the diameter of the side and roof rollers (13,14,24). The same applies if alternatively or additionally other side or Height rollers (13,14,24) are designed as driven conveyor rollers.

The deliverable guide elements (14,24), in particular side and roof rollers, each on a slender support arm (17,27) arranged at the front, wherein the support arm (17,27) from a rear frame (16,26) from the transverse to Conveying direction (7) extends. The support arms (17,27) are also spaced apart in the conveying direction (7). The horizontal and vertical support arms (17,27) are mutually offset on the gap (18,28) and thus arranged engageable and overlapping. FIG. 4 and 5 illustrate this training of side and roof wheels (14,24) and their support arms (17,27).

The support arms (17,27) each have a free Kraglänge which is greater than the engagement and overlap path. As a result, the deliverable guide elements (14, 24) are distanced from their respective racks (16, 26) to such an extent that collisions between the guide elements (14, 24) and the respective other racks (26, 16) occur during the delivery and the mutual overlap. be avoided.

In FIGS. 7 and 8 each of the mutual engagement and overlap positions (31) are shown. The deliverable side rollers (14) with their support arms (17) can engage in the horizontal feed (20) in each case in the gaps (28) between the roof rollers (24) and the support arms (27). Conversely, the roof rollers (24) together with support arms (27) engage in the vertical feed (30) in each case in the gaps (18) between the side rollers (14).

The relatively stationary guide elements (13,14) or side and bottom rollers or conveyor rollers can also in the manner described above to lean and be arranged spaced support arms. Alternatively, it is possible to dispense with such an arrangement and the possibility of engagement and overlapping between deliverable and relatively stationary guide elements (13, 14, 23, 24).

As FIG. 7 illustrates, the length (1) of the guide elements (13,14,23,24) may be equal to or greater than the facing dimension (w) of the workpiece (3). This is for example FIG. 7 the height of the workpiece (3), which is smaller than the length of the side rollers (13,14). For the workpiece width and the floor and roof rollers (23,24) applies accordingly. Alternatively, the length (1) may be smaller than the facing dimension (w).

The upright lateral guide elements (13, 14) are preferably arranged just above the lower guiding elements (24). The workpiece (3) is thereby enclosed tightly and peripherally in the lower area.

The deliverable side and height guide means (12,22) each have an element holder (15,25) for their guide elements (14,24). For this purpose, the element holders (15, 25) each have one or more frames (16, 26) with the said support arms (17, 17). The guide elements (14,24) may be arranged individually or in groups, wherein between the groups in the conveying direction (7) may be a distance. As a result, for example, the aforementioned free spaces (32) for the processing facilities (8,9) are formed. The racks (16, 26) are connected to one another and to their respective feed device (19, 29) while bridging the distances by a common support beam or a support plate.

About the said electronic control of the woodworking machine, the machine components, in particular the guide means (1), the conveying device (5) and the processing means (8,9) are controlled. In conjunction with a suitable sensor and a scheme is possible.

Variations of the embodiments shown and described are possible in various ways. In particular, the features of the embodiments can be arbitrarily combined with each other or even swapped.

The guide elements (13, 14, 23, 24) may alternatively be designed as optionally non-rotatable lubricants, e.g. Sliding jaws or the like., Be formed.

In a simplified embodiment with uniaxial adjustment only side guide means (12) or only height guide means (22) can be arranged undeliverable and the respective other guide means can be arranged relatively stationary.

LIST OF REFERENCE NUMBERS

1

guide means

2

Woodworking machine

3

Workpiece, profile

4

guide channel

5

conveyor

6

conveyor drive

7

conveying direction

8th

Machining device, grinding device

9

Machining device, brush unit

10

setting device

11

Guide rail relatively stationary

12

Guide means deliverable

13

Guide element, side roller relatively stationary

14

Guide element, side roller deliverable

15

Element holder, roll holder

16

frame

17

Beam

18

Freiraum, gap

19

infeed

20

Infeed axis, infeed direction (horizontal)

21

Altitude guide relatively stationary

22

Height guide means deliverable

23

Guide element relatively stationary, conveyor roller

24

Guide element, roof roll deliverable

25

Element holder, roll holder

26

frame

27

Beam

28

Distance, gap

29

infeed

30

Infeed axis, infeed direction, (vertical)

31

Engaging and overlapping area

32

free space

l

Length of guide means

w

Dimension workpiece, height or width

Claims (15)

Guide device for a along a conveying direction (7) movable workpiece (3), in particular a profile of a wood material, on a processing machine (2), in particular a woodworking machine, characterized in that the guide device (1) is adjustable in height and width and guide means (11,12,21,22) which are movable relative to each other and mutually formed transversely to the conveying direction (7) engageable and overlapping. Guide device according to claim 1, characterized in that the guide device (1) one or more relatively stationary height and / or side guide means (11,21) and one or more transversely to the conveying direction (7) deliverable height and / or side guide means (12, 22). Guide device according to claim 1 or 2, characterized in that the deliverable height and side guide means (12,22) are mutually formed transversely to the conveying direction (7) engageable and overlapping. Guiding device according to one of the preceding claims, characterized in that at least the deliverable height or side guide means (12,22) and possibly the relatively stationary height or side guide means (11,21) each more in a row at a mutual distance (18,28 ) along the conveying direction (7) arranged guide elements (13,14,23,24) have, which are preferably each formed as a rotatable roller. Guide device according to one of the preceding claims, characterized in that the spaced guide elements (14,24) of the deliverable side and height guide means (12,22) respectively on the gap (18,28) and are arranged engageable and overlapping. Guide device according to one of the preceding claims, characterized in that the deliverable guide elements (14,24) are each arranged on a slender support arm (17,27) at the front, which extends from a rear frame (16,26) transversely to the conveying direction (7). extends, wherein the transverse aligned support arms (17,27) each offset in the conveying direction (7) on the gap (18,28) and are arranged engageable and overlapping. Guide device according to one of the preceding claims, characterized in that the deliverable side and height guide means (12,22) each have an element holder (15,25), the one or more racks (16,26) with one or more support arms (17, 27). Guide device according to one of the preceding claims, characterized in that at least one of the guide elements (13,14,23,24) is designed as a controllably driven conveying roller (5). Guide device according to one of the preceding claims, characterized in that the guide elements (13,14,23,24) in groups are arranged and in the conveying direction (7) form one or more larger free spaces (32) for a processing device (8,9). Guide device according to one of the preceding claims, characterized in that the height and side guide means (11,12,21,22) along the conveying direction (7) are arranged and aligned. Guide device according to one of the preceding claims, characterized in that the height and side guide means (11,12,21,22) are arranged at right angles to each other and over the corner, wherein they form a rectangular cross-section guide channel (4) for the workpiece (3) , Guide device according to one of the preceding claims, characterized in that the deliverable height and side guide means (12,22) each have a feed device (19,29). Guide device according to one of the preceding claims, characterized in that the feed devices (19, 29) have feed drives which are connected to an electronic control. Processing machine, in particular woodworking machine, with a guide device (1) for a along a conveying direction (7) movable workpiece (3), in particular a profile of a wood material, characterized in that the guide device (1) according to at least one of claims 1 to 13 is. Comprises cultivating machine as claimed in claim 14, characterized in that the processing machine (2) a processing device (8,9), in particular a grinding device and / or a brush unit, in the region of the guide device (1).

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