EP3999291A1 - Ensemble d'usinage par formation d'une rainure ou d'une découpe de séparation, doté d'une fonction de guidage des copeaux - Google Patents

Ensemble d'usinage par formation d'une rainure ou d'une découpe de séparation, doté d'une fonction de guidage des copeaux

Info

Publication number
EP3999291A1
EP3999291A1 EP20745111.3A EP20745111A EP3999291A1 EP 3999291 A1 EP3999291 A1 EP 3999291A1 EP 20745111 A EP20745111 A EP 20745111A EP 3999291 A1 EP3999291 A1 EP 3999291A1
Authority
EP
European Patent Office
Prior art keywords
guide element
machining tool
workpiece
machining
section
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.)
Pending
Application number
EP20745111.3A
Other languages
German (de)
English (en)
Inventor
Martin Calmbach
Harald Rieger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Homag GmbH
Original Assignee
Homag GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Homag GmbH filed Critical Homag GmbH
Publication of EP3999291A1 publication Critical patent/EP3999291A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/08—Accessories for keeping open the saw kerf, e.g. riving knives or wedge plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00—Accessories specially designed for sawing machines or sawing devices
    • B23D59/006—Accessories specially designed for sawing machines or sawing devices for removing or collecting chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/16—Saw benches
    • B27B5/18—Saw benches with feedable circular saw blade, e.g. arranged on a carriage
    • B27B5/187—Saw benches with feedable circular saw blade, e.g. arranged on a carriage the saw blade being fitted on a movable carriage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29—Details; Component parts; Accessories
    • 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
    • B27G3/00—Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants

Definitions

  • the present invention relates to an aggregate that
  • Metal materials or plastic is made, can be used.
  • a groove is first milled in synchronism with a low cutting depth and thus low chip removal in order to prevent tears on the surface. Then the second work step takes place in the opposite direction to the groove depth in order to achieve the chip evacuation upwards into the suction hood.
  • Chip guide element is.
  • One such riving knife is
  • the object of the invention is to provide a unit for
  • Metal materials or plastic is made to provide with which the dust and chip load in the vicinity of the unit is minimized.
  • Wood materials, metal materials or plastic consists, has a main body, a processing tool which is mounted on the main body, in particular rotatably mounted, the processing tool having a first section
  • a line device which is arranged in the area, preferably next to the machining tool and which is configured so that a medium along, preferably through the
  • Line device is flowable, wherein the
  • conduit means at a lower end portion thereof at least one opening.
  • the management facility is configured according to the invention in such a way that the medium can flow out of the opening essentially in the direction of the first section of the machining tool, and / or the
  • Line device has a
  • One advantage of the unit according to the invention is that the unit is designed in such a way that a jet of dust and / or shavings that is released from the workpiece when the workpiece is being processed is generated
  • the jet is deflected in such a way that the chips are directed in the direction of an optionally arranged suction hood. Furthermore, groove and separating cut machining can be performed without
  • Dust or chips are loaded in one pass, which minimizes machining time and tool wear.
  • Another advantage of the assembly according to the invention is that the assembly is designed in such a way that dust that is deposited on the groove base is effectively removed from the groove.
  • the main body of the unit can be a
  • the main body can also have an interface via which the main body can be integrated into a machine environment, such as a CNC machining center.
  • a machine environment such as a CNC machining center.
  • Such a machine environment can contain a large number of diverse units for processing
  • the machining tool can be any material that can be used to manufacture the machining tool.
  • Processing tools that are used for processing, especially for grooving and separating cut machining of a
  • Workpiece which is preferably at least partially made of wood, wooden materials, metal materials or plastic, are suitable.
  • Such a processing tool can
  • a circular saw blade or a milling cutter which are rotatably mounted on the main body, or a machining tool operated via ultrasound technology or a laser, which are otherwise mounted on the main body.
  • the machining tool is mounted or attached to the main body in such a way that at least a section of the machining tool can be in engagement with the workpiece.
  • the editing tool has a first section that is configured to be used when editing the
  • the first section can be a section of the
  • Machining tool which is in engagement with the workpiece when machining the workpiece and / or which dips into the workpiece, act.
  • the first section is the section of the machining tool that is covered by the workpiece when the flat plate-like workpiece is viewed horizontally at the level of the workpiece plane.
  • Circular saw blade as a machining tool is the first
  • Section of the machining tool is not to be understood as a section which is located in a stationary area of the Circular saw blade is located and rotates with the circular saw blade and would thus be periodically in engagement with the workpiece. Rather, under the first section of the
  • Machining tool to understand that section which is in engagement at any time or snapshot during the machining of the workpiece with the workpiece and / or penetrates or dips into the workpiece.
  • the first section consequently has the shape of a segment of a circle.
  • the first section of the machining tool can be understood equivalently as that part of the laser beam which penetrates the workpiece during machining of the workpiece.
  • the line device is arranged in the area, preferably next to the machining tool, and is configured such that the medium can flow along, preferably through the line device.
  • the line device is arranged in the area of the machining tool in such a way that it is in operative connection with the machining tool.
  • the line device in one
  • the line device is preferably arranged next to the machining tool. In the case of one
  • the circular saw blade can be used as a machining tool
  • Line device for example, essentially in the Be arranged level of the circular saw blade.
  • Line facility can be in front of or behind the
  • Processing tool be arranged.
  • the line device can be arranged behind the machining tool as seen in the feed direction.
  • Line device can be any device which is designed to guide the medium in a flowable manner.
  • the line device can have one or more pipe-like elements, but also elements that have a non-circular or round cross-section
  • the medium can flow along the line device, the line device not having to completely enclose the medium.
  • the medium can preferably by the
  • Line device flow the line device completely enclosing the medium so that the medium can only leave the line device at points provided for it.
  • the medium can in particular be particles, air, a fluid and / or a mixture thereof.
  • the conduit means has at least one opening at the lower end portion thereof. With the lower one
  • the end section of the line device can be an end section of the line device which is located in the area, near or next to the processing tool, in particular next to the first section of the processing tool,
  • the line device can have more than one end section, in particular two end sections, the end section which is located next or closer to the first section of the processing tool being the lower end section of the line device.
  • the lower end portion of the line device has
  • the opening can have any cross-sectional shapes, in particular round or angular
  • the opening can have any size.
  • the opening can have a circular cross-sectional shape of any desired diameter.
  • the openings can in particular have different shapes and / or
  • the conduit device is configured so that the medium from the opening substantially in the direction of the first
  • Section of the machining tool can flow out, and / or the line device has the suction device.
  • the wording “and / or” stands for either “and” or for “or” and thus includes three alternatives.
  • the wording “and” means that the conduit device is both configured so that the medium from the opening essentially in the direction of the first section of the
  • conduit device is either configured so that the medium from the opening essentially in the direction of the first section of the
  • Machining tool can flow out or that the
  • Line device has the suction device.
  • the line device is designed such that the medium can flow along, preferably through the line device and can flow out of the opening essentially in the direction of the first section of the machining tool.
  • the medium can contain a large number of particles,
  • the line device is like this
  • the conduit device configured that, after leaving the conduit device, the medium moves essentially in the direction of the first section of the processing tool.
  • the line device is configured in such a way that the medium does not move away from the first section of the processing tool after it has left the line device.
  • the conduit device can have a certain shape which is configured such that it leads the medium in a certain direction and / or specifies a certain direction for the medium, so that the medium after leaving the
  • Line device moved through the opening essentially in the direction of the first section of the machining tool.
  • the phrase “essentially” here means that the medium, or individual particles thereof, have a speed that can be described by a speed vector, the speed vector having at least one component that extends in the direction of the first section of the editing tool shows.
  • Section of the machining tool shows can preferably be the largest component of the speed vector.
  • Machining tool which is in engagement with the workpiece, as described above, have the shape of a segment of a circle.
  • the velocity vector of the medium or individual particles of the medium can have a component after leaving the conduit device and / or even before leaving the conduit device, which in
  • the direction of this circular segment, or of the first section of the circular saw blade, shows.
  • the speed vector can also have a component that points in the direction of the groove base.
  • the medium can then be deflected and / or reflected on the groove base and move further in the direction of the first section of the machining tool.
  • the particles separated from the workpiece are transported through the
  • Workpiece is steered where it is held by an optional exhaust hood can be captured and extracted. As a result, there is significantly less or no dust and chips in the vicinity of the machine.
  • the line device can be a suction device
  • the suction device can be a vacuum space, it being possible for the vacuum space to be generated by other means.
  • the vacuum of the suction device can be strong enough to suck in and / or suck off particles that are separated from the workpiece by the machining tool when the workpiece is being machined. The particles can thereby through the line device, in particular against a
  • Direction of flow of the medium can be derived.
  • the line device has the suction device, very small parts can be separated from the workpiece
  • Particles, such as dust, which can be deposited on the groove base, are captured by the suction device and sucked off.
  • Line device at least one channel, the channel having the opening at the lower end portion of the line device.
  • the channel can have a tubular shape, preferably with a round cross section. However, the channel can also have other shapes with other cross-sectional shapes, such as, for example, an angular cross-sectional shape.
  • the channel has the at least one opening at the lower end section of the line device. For example, the channel can extend along the entire line device. In particular in the case of a tubular channel, an opening of the tubular channel or of the tube can represent the opening of the line device. Instead of or in addition to this opening, the channel can have one or more openings in a lateral section of the channel, which preferably faces the machining tool.
  • the line device can have one or more channels, each of these channels having an opening.
  • Openings can be different.
  • at least one channel can serve to guide the medium in a flowable manner and to allow it to flow out through the opening of the channel, and at least one other channel can serve to convey the medium
  • the line device can both allow the medium to flow out essentially in the direction of the first section of the machining tool and also have the suction device. A compact design of the line device can thereby be ensured.
  • the medium is in this case from the at least one opening in the channel can be discharged so that it is not captured by the suction device and suctioned off.
  • the lower end section of the line device has at least one nozzle.
  • the nozzle on or in the opening of the
  • the nozzle can also have multiple channels
  • the nozzle can have any shape of nozzle known from the prior art.
  • the nozzle can have a round cross section and taper conically towards the lower end section of the line device. This means that the medium is out of the nozzle or the
  • Workpiece are separated, hit and / or bounce. This enables the particles to be effectively deflected and / or deflected.
  • the unit furthermore has a guide element which is arranged in the area, preferably next to the machining tool, and is configured in such a way that particles, in particular chips that can be separated from the workpiece when machining the workpiece with the machining tool, after separation from the workpiece Workpiece can be guided along a deflection direction, the deflection direction running essentially obliquely to a reference direction, the reference direction being a direction from the first section of the machining tool to a second section of the Editing tool that corresponds to the first section of the
  • the guide element is in the area of the
  • Processing tool is in operative connection.
  • Particles can exert.
  • the guide element in a lateral area in relation to the
  • the guide element is preferably arranged next to the machining tool.
  • the guide element can be arranged in front of or behind the machining tool.
  • the guide element can, for example, be arranged essentially in the plane of the circular saw blade.
  • particles, in particular chips are thrown along the groove at high speed when the workpiece is being machined, in particular when the groove is being machined.
  • the guide element which is preferably arranged next to the machining tool, for example the circular saw blade, is configured such that the particles, in particular the chips, can be guided through the guide element along a deflection direction, the deflection direction running essentially at an angle to a reference direction.
  • the reference direction is defined in this context as a direction from the first section of the machining tool to a second Section of the machining tool, which is opposite to the first section of the machining tool, runs.
  • Machining tool that section which penetrates into the workpiece during the machining of the workpiece.
  • the second section of the machining tool is located opposite the first
  • the second section is located as a machining tool in
  • the deflection direction runs essentially obliquely to the reference direction, that is to say to the direction from the first section to the second section of the machining tool.
  • oblique in this context means that the
  • Deflection direction encloses a certain angle with the reference direction, which is preferably less than 90 °.
  • the term "- direction" in “reference direction” is to be understood as a vector and means that the reference direction does not have a
  • the reference direction is generally a direction which can point away from the surface of the workpiece, in particular can be perpendicular to the surface of the workpiece.
  • the guide element is configured such that the particles, in particular the chips, can be guided by the guide element along the deflection direction.
  • the particles, in particular the chips when they are thrown at high speed along the groove, can collide with the guide element and / or strike and / or impact the guide element. In particular, it can
  • Particles in particular the chips, are directed upwards and can be captured and sucked off by an optionally arranged suction hood, which leads to less dust and dust
  • Chip load leads to the environment of the machine.
  • the guide element is configured such that a lower end thereof is arranged in a first position of the guide element at a position that lies along the reference direction within a range in which the first portion of the
  • Machining tool is located along the reference direction.
  • the lower end of the guide element can, for example, be an outer edge or an outer surface of the guide element.
  • the first position of the guide element is determined by the position of the lower end of the guide element along the reference direction. In particular, the position of the lower end of the guide element is in a direction perpendicular to that
  • the first section of the machining tool can be understood to mean that section which is covered by the workpiece when the workpiece is viewed horizontally at the level of the workpiece plane.
  • Machining tool has the shape of a segment of a circle that extends a certain amount in the direction parallel to the
  • the lower end of the guide element is located at a position which is located along the reference direction within the range in which the first section of the machining tool is located along the reference direction. I.e. the lower end of the
  • Circular saw blade can be described as a segment of a circle extending along the reference direction, i.e. H. essentially in a direction perpendicular to the workpiece surface, has a certain extent, the maximum extent of the
  • Groove depth corresponds. According to the invention, the lower end of the guide element is thus in the first position of the guide element within the groove.
  • Workpiece is located by the machining tool within the groove. This enables particles,
  • chips that are separated from the workpiece and thrown at high speed along the groove hit a section of the guide element and are thereby directed out of the groove, preferably away from the workpiece. In this way it can be ensured that the dust and chips in the vicinity of the
  • the guide element in the first position of the guide element, there is a distance along the reference direction between the lower end of the guide element and one end of the machining tool that forms part of the first section of the machining tool and farthest from one along the reference direction
  • the machining tool storage portion at which the machining tool is supported on the main body, away less than 5 mm, preferably less than 3 mm, particularly preferably less than 1 mm.
  • the distance between the lower end of the guide element and the end of the machining tool is along the reference direction, i. H. in the case of a flat plate-like workpiece surface, along a direction substantially perpendicular to the workpiece surface.
  • the end of the machining tool is part of the first section of it. I.e. the end of the machining tool is in engagement with the workpiece or is in the
  • Machining tool along the reference direction is arranged furthest from a bearing portion of the machining tool on which the machining tool is supported on the main body.
  • a circular saw blade as
  • the machining tool falls into the storage section of the
  • Machining tool with the center of the circular saw blade and the reference direction runs essentially along the diameter of the circular saw blade and, in the case of a flat plate-like workpiece surface, perpendicular to the workpiece surface. In this case the end of the
  • Machining tool the part of the circular saw blade that is currently machining the workpiece. In the case of groove machining, this is the part that engages with the groove base.
  • a distance between the lower end of the guide element and the groove base is less than 5 mm
  • the guide element can be controlled and / or regulated from the first position into at least one second position, the lower end of the
  • Guide element is arranged in the at least one second position at a position which lies along the reference direction outside of the area in which the first section of the machining tool is along the reference direction
  • the guide element is by suitable means and / or
  • controllable and / or adjustable For example, this can
  • Guide element can be brought into the at least one second position by pivoting. It is also conceivable that the guide element can be brought into the at least one second position by a combination movement of translation and rotation.
  • the guide element can be controllable and / or regulatable in stages or continuously. In particular, the guide element can be controllable and / or regulatable from the first position not only into a second position but also into several positions.
  • the lower end of the guide element is in the
  • the second position of the guide element is a position at which the guide element is not located within the groove. Since the guide element is not located in the groove in the at least one second position, unlike the first section of the machining tool, the unit can also and / or not for counter-rotation machining
  • this is done
  • control and / or regulation of the guide element can take place manually, for example by hand, depending on the type of machining of the workpiece
  • the unit according to the invention can, for example, in a
  • Machine environment such as in a CNC machining center, can be used and, for example, machine a large number of grooves, some of which can be continuous and others not continuous, with the guide element automatically moving to the required position.
  • the guide element can have a sensor system that
  • the guide element e.g. measures the distances between the guide element and the workpiece, in order to control and / or regulate an automatic adjustment of the guide element.
  • the control and / or regulation of the guide element is preferably carried out pneumatically and / or electrically.
  • the unit can also have feeds, in particular compressed air feeds.
  • the control and / or regulation of the guide element can in particular take place linearly with respect to the machining tool or rotatably around the mounting section of the machining tool. Depending on whether a linear cylinder or a
  • Rotary cylinder can be used.
  • the guide element can be exchanged in the at least one second position.
  • Line device arranged next to the guide element, wherein the at least one opening is preferably arranged next to the lower end of the guide element.
  • the at least one opening is preferably arranged in the lower end of the guide element and / or in a lateral surface section of the guide element, which preferably faces the machining tool and is preferably located near the lower end of the guide element.
  • the wording “and / or” means that the opening can be arranged either in the lower end of the guide element or in the lateral surface section of the guide element, or that the opening extends over a section that encompasses the lower end and the lateral surface section of the
  • Guide element connects to one another, can extend, or that there is at least one opening in the lower end of the
  • the line device can be arranged both on the sides and in front of or behind the guide element, as long as the line device can engage in a groove of a workpiece together with the guide element.
  • the same can apply in particular in the case of the at least one channel and / or the at least one nozzle of the line device.
  • the conduit device is preferably integrated in the guide element, wherein the guide element can have a certain thickness and / or width, so that the medium passes through the
  • Line device is flowable within the guide element.
  • the guide element itself can represent a channel of the line device.
  • the at least one opening of the conduit device is preferably arranged in the lower end of the guide element and / or in a lateral surface section of the guide element, which preferably faces the machining tool and is preferably located near the lower end of the guide element.
  • the at least one opening can be implemented as at least one borehole.
  • Guide element and / or in a lateral surface section of the guide element which preferably faces the machining tool and is preferably located in the vicinity of the lower end of the guide element.
  • the at least one opening can optionally be at a position of the side
  • At least one opening can preferably be arranged next to the lower end of the guide element and wherein the other
  • Conduit device can be integrated in the guide element, the at least one opening preferably in the lower end of the guide element and / or in a lateral
  • Machining tool is facing and is preferably located in the vicinity of the lower end of the guide element, can be arranged.
  • the at least one opening and / or the at least one nozzle of the conduit device is preferably in the lower end of the guide element and / or in a lateral surface section of the guide element, which is preferably facing the machining tool and is preferably located in the vicinity of the lower end of the guide element, is not only made possible that the medium essentially in the direction of the first section of the
  • the guide element is designed as a riving knife.
  • the guide element can be structural
  • the unit also has a cover device that is in the area of the
  • the covering device is configured such that the particles can be guided along the deflection direction after being separated from the workpiece.
  • the covering device can for example be a sheet metal which is shaped so that it can partially enclose the machining tool. It is also conceivable that the Covering device can also partially enclose a portion of the guide element. In particular, the
  • an operative connection can be understood to mean that the covering device is configured in particular in such a way that it has an effect on the workpiece while the workpiece is being processed with the processing tool
  • the covering device can be movable relative to the machining tool with the guide element or also separately therefrom.
  • the cover device is configured according to the invention so that the particles, in particular chips through the
  • Covering device can be guided along the deflection direction.
  • the particles, in particular the chips when they move along the groove at high speed
  • Guide element not be deflected along the deflection direction as intended. This can be done, for example
  • the chips interact with one another. Since the covering device is arranged in the area of the guide element and partially encloses the processing tool, the particles that were not deflected along the deflection direction as intended can hit or hit the covering device.
  • the covering device can have inclined edges and / or surfaces similar to the shapes of the guide element
  • the particles, in particular the chips can be directed upwards and captured and extracted by an optionally arranged suction hood, which leads to an even more effective reduction in the
  • the medium flow can be selected, for example, depending on the type of machining tool and / or the workpiece to be machined. For example, a
  • the workpiece is machined in such a way that particles, in particular chips, of a large size are produced
  • Medium flow can be selected, which consists of larger and / or heavier particles in order to properly direct the chips in the deflection direction.
  • Chip load in the vicinity of the machine can be guaranteed.
  • the line device, the guide element and the cover device are according to the invention on the Side of the circular saw blade arranged, in the direction of which, starting from the first section of the circular saw blade, the particles, in particular chips, are thrown at high speed after being separated from the workpiece.
  • the unit can optionally have a suction hood known from the prior art.
  • the unit also has at least one, preferably at least two supports to a C-axis or to a spindle housing and / or a hollow shaft cone, with the medium being supplied via the at least one, preferably via the at least two
  • the supply line for the medium can also have one or more hoses which are arranged between the line device of the unit and the support (s) and / or the hollow shaft cone.
  • a hose can be laid through a central bore through the hollow shaft cone.
  • the hose (s) can be integrated in the main body of the unit or run outside of it.
  • the at least one, preferably at least two supports for a C-axis or for a spindle housing can be at least one, preferably at least two, C-axis bolts.
  • the invention also relates to an exchangeable, preferably automatically exchangeable, unit, in particular Saw unit which has the unit according to one of the preceding embodiments, the unit via the at least one, preferably via the at least two
  • Supports and / or via the hollow shaft cone in a 2-axis machining head (5-axis head) can be exchanged and the guide element according to a position of a C-axis and / or at least one additional axis that is parallel or
  • a position of an A-axis of the 2-axis machining head (5-axis head) is automatically adjustable to a contour of the workpiece.
  • the interchangeable unit can in particular be suitable for entering a machine environment via a tool changer via the at least one, preferably via the at least two, C-axis bolts and / or via the hollow shaft cone,
  • the C-axis bolt (s) can engage in the C-axis of the 2-axis machining head (5-axis head) in order to be rotatable about the C-axis. Because the
  • Position of the A-axis of the 2-axis machining head (5-axis head) can be automatically adjusted to a contour of the workpiece, the exchangeable unit has a high degree of flexibility, with the automatic adjustment of the guide element reducing the machining time.
  • the unit itself has a C-axis, for example referred to as "C2-axis", or a coupling. This allows the flexibility of the unit to be further increased.
  • an element, wherein the unit via the interface of Main body can be connected to this element and can thus be integrated into a machine environment, have such a C2 axis or coupling Element can for example be a spindle nose of a spindle.
  • interchangeable unit of the embodiments described can be interchangeable via a hollow shank cone interface.
  • Embodiments have a sensor system.
  • the sensor system can be used for monitoring and / or regulation and / or
  • Control of the position of the guide element and / or one or more properties of the medium such as pressure, flow rate, composition and the like, are used.
  • Fig. 1 shows a schematic representation of a preferred unit for machining a workpiece from the side.
  • Fig. 2a shows a front view of a guide element of the
  • FIG. 2b shows a cross-sectional view of the guide element from FIG. 2a along the line AA.
  • FIG. 2c shows a perspective view of the guide element of the unit from FIG. 1, a line device which is integrated in the guide element being identified.
  • FIG. 2d shows a perspective view of the guide element of the unit from FIG. 1 from below.
  • FIG. 3 shows a configuration of the unit from FIG. 1, with the guide element in a second position
  • FIG. 4 shows a configuration of the unit from FIG. 1, the unit additionally having a covering device
  • FIG. 5 shows a schematic perspective illustration of a preferred unit for machining a workpiece, the unit being attached to a 2-axis machining head (5-axis head).
  • Fig. 1 shows a schematic representation of a preferred unit for machining a workpiece from the side.
  • the unit has a main body 1 which has an im
  • the cuboid main body 1 has a lower end section and an upper end section, the lower end section being closer to a workpiece 10 than the upper end section
  • the main body 1 has an interface and a plurality of C-axis bolts 9, via which the unit is in a
  • Machine environment for example in a CNC machining center, can be used.
  • Machining tool 2 in the case of FIG. 1 a circular saw blade 2, is rotatably supported on the lower end portion of the main body 1.
  • Fig. 1 a situation is shown in which the unit is used for grooving a workpiece in synchronism.
  • the circular saw blade 2 rotates clockwise and the workpiece 10 is moved to the left or the unit is moved to the right (for example in a CNC machining center).
  • the circular saw blade 2 has a first section 3 which, as shown in FIG. 1, penetrates into the workpiece 10 when the workpiece 10 is being machined.
  • Fig. 1 corresponds to that delimited by the dotted line
  • Circular segment of the circular saw blade 2 corresponds to the first section 3 of the circular saw blade 2.
  • the greatest extent of the first section 3 corresponds to the
  • Circular saw blade 2 along a direction b straight the
  • the unit also has a guide element 6 which is arranged next to the circular saw blade 2.
  • the guide element 6 has an upper end section, which has an upper end, and a lower end section, which has a lower end 7.
  • the unit has a holding device, one end of which with the upper end portion of the
  • Guide member 6 is connected and the other end of which is connected to the lower end portion of the main body 1.
  • the guide element 6 is thereby held in its position.
  • the guide element 6 is in a first position in which the guide element 6, in addition to the first section 3 of the circular saw blade 2, also penetrates into the groove.
  • the reference direction is parallel to the direction b from the first section 3 of the circular saw blade 2 to a second section of the circular saw blade 2, which lies opposite the first section 3 of the circular saw blade 2.
  • the lower end 7 of the guide element 6 is in the first position of the guide element 6 along the reference direction
  • Section 3 of the circular saw blade 2 along the reference direction (along the direction b) corresponds.
  • Distance d between the lower end 7 of the guide element and the groove base according to the invention is less than 5 mm, preferably less than 3 mm, particularly preferably less than 1 mm.
  • the guide element 6 is described in detail with reference to FIGS. 2a-2d
  • a conduit device 4 is located in the guide element 6
  • Line device 4 has an upper end portion thereof an inlet opening and at a lower end portion thereof an opening 5, which is in the lower end 7 of the
  • Guide element 6 is arranged. A medium is introduced into the through the inlet opening of the line device 4
  • Line device 4 passed.
  • the medium is supplied through appropriate lines, for example through a C-axis bolt 9 of the unit.
  • the medium is supplied via the left C-axis bolt 9.
  • the medium flows from the inlet opening in the upper end section of the line device 4 to the opening 5 in the lower end section of the
  • the line device 4 runs essentially parallel to a tangential direction of a tangent to the circular saw blade in the area of the guide element 6.
  • This configuration of the line device 4 guides and / or influences the flow of the medium in such a way that the medium from the opening 5, d. H. after leaving the opening 5, it flows essentially in the direction of the first section 3 of the circular saw blade 2.
  • the movement of individual particles of the medium moving with the medium can be expressed by a velocity vector which has a component which points in the direction of the first section 3 of the circular saw blade 2. In this way, the medium flows in the groove base against a jet of swarf that flows out
  • chips which are separated from the workpiece 10 during the machining of the workpiece 10 and are thrown at high speed along the groove, ie in FIG. 1 along the direction a to the left.
  • the medium hits individual chips or collides with them and thus directs the chips upwards out of the groove, where they are removed from a optional extractor hood can be captured and extracted. This creates a much lower dust and
  • Chip load in the vicinity of the machine is a Chip load in the vicinity of the machine.
  • Fig. 2a shows a front view of the guide element 6 of the
  • the lower end 7 of the guide element 6 is located at the bottom in FIG. 2a.
  • the upper end portion of the guide element 6 has on both sides thereof holding elements that with one end of the holding device of the
  • Aggregate can be connected.
  • FIG. 2b shows a cross-sectional view of the guide element 6 from FIG. 2a along the line A-A.
  • the lower end 7 of the guide element 6 shows a cross-sectional view of the guide element 6 from FIG. 2a along the line A-A.
  • Guide element 6 has a flat surface which, in the first position of guide element 6, is essentially parallel to the surface of workpiece 10 that forms the groove base.
  • the side facing the circular saw blade 2 (right side in FIG. 2b) has a curved shape or a curved surface. From the lower end 7 to the upper end of the
  • Guide element 6 takes the slope of the curved surface with respect to the plane in which the lower end 7 of the
  • the opening 5 of the line device 4 is located in the lower end 7 of the guide element 6.
  • the inlet opening through which the medium flows into the line device 4 is located in the upper end section of the line device 4 and the upper end section of the guide element 6.
  • the shape of the conduit device 4 essentially follows the shape of the guide element 6.
  • the lower end section of the line device 4 has, compared to the upper end section of the line device 4, a smaller slope in relation to the plane in which the lower end 7 of the guide element 6 lies. As a result, the medium flowing through the line device 4 is still
  • Circular saw blade 2 and thus guided against the chips thrown along the groove.
  • Line device 4 which is integrated in the guide element 6, is identified in Fig. 2c.
  • Line device 4 is shown in the figures with only one channel, the line device 4 can have several channels, one of which can be designed, for example, as a suction device to
  • FIG. 3 shows a configuration of the unit from FIG. 1, the guide element 6 being in a second position.
  • the situation shown in Fig. 3 shows a groove machining in the opposite direction.
  • the circular saw blade 2 rotates clockwise and the workpiece 10 is moved to the right or the unit is moved to the left (for example in a CNC machining center).
  • the configuration of the unit shown in FIG. 1 would be unsuitable for such processing, since the guide element 6 would strike against the workpiece 10.
  • the control and / or regulation of the guide element 6 takes place between the first and the second position of the guide element 6 rotatably around the bearing section of the circular saw blade 2. More precisely, the holding device of the guide element 6 pivots in
  • the unit can also be used to produce non-continuous grooves.
  • FIG. 4 shows a configuration of the unit from FIG. 1, the unit additionally having a cover device 8.
  • the covering device 8 is designed so that it partially encloses both the circular saw blade 2 and the guide element 6. Furthermore, a lower end of the covering device is located just above the workpiece 10 in order to remove as many chips as possible, for example on the
  • the cover device 8 can be on the same holding device as the guide element 6 or on a separate one
  • Holding device be attached.
  • the latter can make it possible for the cover device to also be used for counter-rotation machining and machining of non-continuous grooves, the guide element 6 being in the second position (see FIG. 3).
  • the chips can be directed along the deflection direction and captured and sucked off by an optionally arranged suction hood, which leads to an even more effective reduction in the dust and chip load in the area around the machine.
  • FIG. 5 shows a schematic perspective illustration of a preferred unit for machining a workpiece, the unit being attached to a 2-axis machining head (5-axis head).
  • the main body 1 has a different shape than in the embodiment shown in FIGS. 1, 3 and 4.
  • the circular saw blade 2 and the guide element 6 are in a different position relative to the main body 1 compared with the embodiment shown in FIGS. 1, 3 and 4
  • circular saw blade 2 is the same as in the one in Fig. 1,

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

L'invention concerne un ensemble destiné à l'usinage, en particulier à l'usinage par formation d'une rainure ou d'une découpe de séparation, d'une pièce constituée de préférence au moins sur certaines parties de bois, de matériaux dérivés du bois, de matériaux métalliques ou de plastique, l'ensemble comprenant un corps principal (1), un outil d'usinage (2) qui est monté sur le corps principal (1), en particulier monté de façon rotative, l'outil d'usinage (2) comprenant une première partie (3) qui est conçue pour pouvoir être introduite dans la pièce (10) lors de l'usinage de la pièce (10), et un dispositif de conduite (4), qui est agencé au niveau, de préférence à proximité, de l'outil l'usinage (2) et est conçu de telle sorte qu'un milieu puisse s'écouler le long, de préférence à travers, le dispositif de conduite (4), le dispositif de conduite (4) comprenant au moins une ouverture (5) sur une partie d'extrémité inférieure de ce dernier. Le dispositif de conduite (4) est conçu de telle sorte que le milieu puisse s'écouler hors de l'ouverture (5) sensiblement en direction de la première partie (3) de l'outil d'usinage (2), et/ou le dispositif de conduite (4) comprend un dispositif d'aspiration.
EP20745111.3A 2019-07-16 2020-07-14 Ensemble d'usinage par formation d'une rainure ou d'une découpe de séparation, doté d'une fonction de guidage des copeaux Pending EP3999291A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019119230.7A DE102019119230A1 (de) 2019-07-16 2019-07-16 Aggregat für Nut- und Trennschnittbearbeitung mit Späneleitfunktion
PCT/EP2020/069860 WO2021009163A1 (fr) 2019-07-16 2020-07-14 Ensemble d'usinage par formation d'une rainure ou d'une découpe de séparation, doté d'une fonction de guidage des copeaux

Publications (1)

Publication Number Publication Date
EP3999291A1 true EP3999291A1 (fr) 2022-05-25

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ID=71784000

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Application Number Title Priority Date Filing Date
EP20745111.3A Pending EP3999291A1 (fr) 2019-07-16 2020-07-14 Ensemble d'usinage par formation d'une rainure ou d'une découpe de séparation, doté d'une fonction de guidage des copeaux

Country Status (5)

Country Link
US (1) US20220332007A1 (fr)
EP (1) EP3999291A1 (fr)
CN (1) CN114144290A (fr)
DE (1) DE102019119230A1 (fr)
WO (1) WO2021009163A1 (fr)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882598A (en) * 1974-06-17 1975-05-13 Johns Manville Dust control cutting assembly for cutting sheet material
DE2854369C2 (de) * 1978-12-16 1983-10-20 Karl M. Reich Maschinenfabrik GmbH, 7440 Nürtingen Kreissäge mit Spaltkeil
US4915550A (en) * 1988-12-22 1990-04-10 Hitachi Seiko Ltd. Pressure foot of printed circuit board drilling apparatus
CH682313A5 (fr) * 1990-12-04 1993-08-31 Schweiz Unfallversicherung
AT399466B (de) * 1993-10-13 1995-05-26 Prodinger Karl Dipl Ing Dr Obenliegende schutzvorrichtung mit staubabsaugung für kreissägen
DE9420667U1 (de) * 1994-12-24 1995-02-23 Lauer Oliver Absaughaube, insbesondere für Holzbearbeitungsmaschinen
US5642766A (en) * 1995-12-05 1997-07-01 John Rock & Company, Inc. Method and apparatus for removing sawdust
WO1998036869A1 (fr) * 1997-02-19 1998-08-27 Rolf Haberstock Dispositif pour aspirer la poussiere au niveau de la tete d'une machine a usiner
ITBO20020289A1 (it) * 2002-05-14 2003-11-14 Scm Group Spa Testa porta - utensile per macchine per la lavorazione del legno
DE102007023664A1 (de) * 2007-05-12 2008-11-13 Holzma Plattenaufteiltechnik Gmbh Plattenaufteilanlage
DE102009018498B4 (de) * 2009-04-23 2011-09-15 Holzma Plattenaufteiltechnik Gmbh Plattenbearbeitungsanlage
EP2969429B1 (fr) * 2013-03-15 2018-05-16 Robert Bosch GmbH Système de collecte de poussière pour une scie circulaire
US10596717B2 (en) * 2015-07-13 2020-03-24 Flow International Corporation Methods of cutting fiber reinforced polymer composite workpieces with a pure waterjet
US10239136B2 (en) * 2015-08-31 2019-03-26 JPL Global, LLC Circular saw apparatus with integrated multistage filtration system
DE102016209107A1 (de) * 2016-05-25 2017-11-30 Homag Gmbh Sperrfluidvorrichtung für eine Bearbeitungsvorrichtung, Bearbeitungsvorrichtung und Verfahren zur Erzeugung eines Sperrfluids
EP3865238A1 (fr) * 2020-02-11 2021-08-18 Hilti Aktiengesellschaft Dispositif et système de recouvrement d'une fente de coupe pouvant être fabriquée à l'aide d'un appareil outil ainsi que procédé d'aspiration de la poussière d'une zone de travail d'un appareil outil
DE102020132285A1 (de) * 2020-10-28 2022-04-28 Festool Gmbh Absaugvorrichtung sowie damit ausgestattete Hand-Sägemaschine

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US20220332007A1 (en) 2022-10-20
DE102019119230A1 (de) 2021-01-21
CN114144290A (zh) 2022-03-04
WO2021009163A1 (fr) 2021-01-21

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