EP4011550B1 - Eine schleifmaschine zum schleifen/finishen/bürsten von bauteilen aus holz, metall oder dergleichen - Google Patents

Eine schleifmaschine zum schleifen/finishen/bürsten von bauteilen aus holz, metall oder dergleichen Download PDF

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Publication number
EP4011550B1
EP4011550B1 EP21213629.5A EP21213629A EP4011550B1 EP 4011550 B1 EP4011550 B1 EP 4011550B1 EP 21213629 A EP21213629 A EP 21213629A EP 4011550 B1 EP4011550 B1 EP 4011550B1
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EP
European Patent Office
Prior art keywords
sanding
component
relative
conveyor
machine according
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EP21213629.5A
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English (en)
French (fr)
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EP4011550A1 (de
Inventor
Fabio Balducci
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Biesse SpA
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Biesse SpA
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/28—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0084—Other grinding machines or devices the grinding wheel support being angularly adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/002—Grinding heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/12—Single-purpose machines or devices for grinding travelling elongated stock, e.g. strip-shaped work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B24B7/24—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
    • B24B7/26—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass for simultaneously grinding or polishing opposite faces of continuously travelling sheets or bands

Definitions

  • the invention relates to a sanding machine for sanding/finishing/brushing components made of wood, metal or the like.
  • the invention especially finds advantageous application in the sanding/finishing/brushing of bars with an elongated shape used as beams or columns in the building industry, to which explicit reference will be made in the description below without because of this loosing in generality.
  • a sanding machine which comprises a base; at least one sanding unit; and a transport device defining a horizontal support surface for at least one bar.
  • the bars are moved by the transport device in a first direction, which is parallel to the support surface and perpendicular to the front and rear end faces, and along a path extending through the sanding unit.
  • the sanding unit comprises two conveyor assemblies, which are mounted on opposite sides of the path in a second direction, which is parallel to the support surface and transverse to the first direction, define a feeding channel feeding the bar through the sanding unit and are movable relative to one another in the second direction depending on a width of the bar measured parallel to the second direction.
  • Each conveyor assembly normally comprises a plurality of feeding rollers, which are aligned with one another in the first direction and are motor-driven so as to rotate around respective rotation axes, which are substantially perpendicular to the bar support surface.
  • At least one conveyor assembly is provided with a sanding tool, for example an abrasive belt or a brush, which extends between two adjacent feeding rollers and is configured to sand/finish a corresponding side face of the bar.
  • a sanding tool for example an abrasive belt or a brush, which extends between two adjacent feeding rollers and is configured to sand/finish a corresponding side face of the bar.
  • the object of the invention is to provide a sanding machine for sanding/finishing/brushing components made of wood, metal or the like, which does not suffer from the drawbacks described above and is simple and economic to be manufactured.
  • a sanding machine for sanding/finishing/brushing components made of wood, metal or the like according to the appended claims.
  • number 1 indicates, as a whole, a sanding machine for sanding/finishing/brushing components 2 made of wood, metal or the like, especially beams or columns for the building industry.
  • Each component 2 has an elongated shape and is delimited by an upper face 3 and by a lower face 4, which are substantially parallel to one another, by two end faces 5, which are substantially parallel to one another and perpendicular to the faces 3, and by two side faces 6, which are parallel to one another and perpendicular to the faces 3.
  • the sanding machine 1 comprises a roller conveyor device 7, which extends in a horizontal direction 8 and comprises, in turn, a plurality of motor-driven transport rollers 9, which define a support surface A for the components 2 and are mounted so as to rotate around respective rotation axes 10, which are parallel to one another and to a horizontal direction 11, which is transverse to the direction 8.
  • the components 2 are moved by the device 7 along a path P extending through a plurality of operating units, especially two operating units 12, 13, which are mounted between the rollers 9 and are each designed to process a relative face 6.
  • the sanding machine 1 is provided with a limit stop device 14, which is arranged upstream of the unit 12, extends in the direction 8 and allows the components 2 to be correctly positioned in the direction 11.
  • the unit 12 comprises an elongated frame 15, which extends in the direction 11 and supports an intermediate slide 16, which extends in the direction 11 and is coupled to the frame 15 in a sliding manner through the interposition of a shock absorber device 17 ( figure 6 ) so as to make, relative to the frame 15, straight movements in the direction 11.
  • the device 17 comprises, in particular, a pneumatic cylinder 18, which is fixed to the frame 15 parallel to the direction 11, a pneumatic cylinder 19, which is fixed to the slide 16 parallel to the direction 11 and faces the cylinder 18, and an output rod 20, which is coupled to the cylinders 18, 19 in a sliding manner.
  • the slide 16 supports two conveyor assemblies 21, 22, which are arranged on opposite sides of the path P in the direction 11 and define a feeding channel 23 feeding the components 2 through the unit 12.
  • the assembly 21 is arranged on the side of the path P opposite the one of the device 14 and comprises a horizontal slide 24 with a substantially rectangular shape, which is mounted on the slide 16 is coupled to the slide 16 in a sliding manner and is further coupled, by means of a screw-nut screw coupling, to a screw 25 of a relative operating device 26 ( figure 7 ), a motor 27 thereof causing the rotation of the screw 25 in order to cause the slide 24 to make straight movements along the slide 16 in the direction 11.
  • the device 26 further comprises a nut screw 28, which is coupled to the screw 25 and is engaged by the slide 24 in a sliding manner through the interposition of a shock absorber device 29 ( figure 7 ) comprising two pneumatic cylinders 30, which are mounted between the slide 24 and the nut screw 28 parallel to the direction 11.
  • the assembly 21 is further provided with a rotary platform 31, which is coupled to the slide 24 in a rotary manner so as to rotate, relative to the slide 24, around a fulcrum axis 32, which is parallel to a vertical direction 33 orthogonal to the directions 8 and 11 and is obtained at the entrance of the components 2 into the unit 12 and into the channel 23.
  • the platform 31 is connected to the slide 24 through the interposition, in particular, of a shock absorber device 34 and of three coupling devices 35.
  • the device 34 comprises, in particular, a pneumatic cylinder 36, which is connected to the slide 24, a pneumatic cylinder 37, which is connected to the platform 31 and faces the cylinder 36, and an output rod 38, which is coupled to the two cylinders 36, 37 in a sliding manner.
  • Each device 35 comprises a guide 39, which is fixed to the slide 24 parallel to the direction 11, a recirculating ball slider 40, which is coupled to the guide 39 in a sliding manner, a guide 41, which is obtained on the slider 40 parallel to the direction 8, a recirculating ball slider 42, which is coupled to the guide 41 in a sliding manner, and a rolling bearing 43, which is interposed between the platform 31 and the slider 42 so as to allow the platform 31 and the slider 42 to rotate relative to one another around a rotation axis 44, which is parallel to the direction 33.
  • the platform 31 supports a plurality of motor-driven conveyor rollers 45 (in this case, five rollers 45), which are aligned with one another, face the path P and laterally delimit the channel 23.
  • One of the rollers 45 (hereinafter indicated with 45a) is an input roller mounted so as to rotate around the axis 32 and the other rollers 45 (hereinafter indicated with 45b) are mounted so as to rotate around respective rotation axes 46, which are parallel to one another and to the direction 33.
  • the assembly 22 is integral to the slide 16 in the direction 11 and is mounted downstream of the limit stop device 14 in the direction 8.
  • the assembly 22 is provided with a rotary platform 47, which is coupled to the slide 16 in a rotary manner so as to rotate, relative to the slide 16, around a fulcrum axis 48, which is parallel to the direction 33 and is obtained at the entrance of the components 2 into the unit 12 and into the channel 23.
  • the platform 47 is connected to the slide 16 through the interposition, in particular, of a shock absorber device 49, which is completely equivalent to the device 34, and of four coupling devices 50, which are completely equivalent to the devices 35.
  • the platform 47 supports a plurality of motor-driven conveyor rollers 51 (in this case, three rollers 51), which are aligned with one another, face the path P and laterally delimit the channel 23.
  • One of the rollers 51 (hereinafter indicated with 51a) is an input roller mounted so as to rotate around the axis 48 and the other rollers 51 (hereinafter indicated with 51b) are mounted so as to rotate around respective rotation axes 52, which are parallel to the direction 33.
  • the assembly 22 is further provided with a sanding device 53 comprising three pulleys 54, which are mounted on the platform 47 with a triangle-like arrangement and are coupled to the platform 47 so as to rotate, relative to the platform 47, around respective rotation axes 55, which are parallel to one another and to the direction 33.
  • a sanding device 53 comprising three pulleys 54, which are mounted on the platform 47 with a triangle-like arrangement and are coupled to the platform 47 so as to rotate, relative to the platform 47, around respective rotation axes 55, which are parallel to one another and to the direction 33.
  • Two pulleys 54 are motor-driven drive rollers, which are mounted between the rollers 51b and are moved around the relative axes 55 by an operating device 56 comprising an electric motor 57, which is mounted on the platform 47, and a belt transmission 58, which is interposed between the motor 57 and the pulleys 54a.
  • the third pulley 54 (hereinafter indicated with 54b) is a stretching roller, which is coupled to the platform 47 in a sliding manner so as to move crosswise to the relative axis 55 and stretch an abrasive belt 59 wound around the pulleys 54a, 54b in a ring shape.
  • the belt 59 is caused to come into contact with the relative face 6 to be sanded - and held there - by a pushing roller 60, which is mounted between the pulleys 54a so as to rotate around a longitudinal axis 61 of its parallel to the axes 55 and, furthermore, is movable around a rotation axis (which is not shown herein), which is eccentric relative to the axis 61, from and to an operating position, in which the roller 60 pushes the belt 59 against the relative face 6.
  • a pushing roller 60 which is mounted between the pulleys 54a so as to rotate around a longitudinal axis 61 of its parallel to the axes 55 and, furthermore, is movable around a rotation axis (which is not shown herein), which is eccentric relative to the axis 61, from and to an operating position, in which the roller 60 pushes the belt 59 against the relative face 6.
  • the device 53 further comprises a synchronizing roller 62, which is arranged within the belt 59 and is mounted so as to rotate around a longitudinal axis 63 of its, which is parallel to the axes 55, 61.
  • the roller 62 When the roller 60 is in its operating position, the roller 62 is moved crosswise to the axis 63, due to the thrust of a pneumatic operating device 64, so as to come into contact with the roller 60 and with one of the pulleys 54a in order to synchronize the peripheral speeds of the pulleys 54a and of the roller 60 and avoid friction of the belt 59 on the roller 60.
  • the unit 13 is completely similar to the unit 12 and the only difference from the unit 12 lies in the fact that:
  • the component 2 is caused to come into contact with the limit stop device 14 and, then, is moved by the roller conveyor device 7 and by the conveyor assemblies 21, 22 of the operating units 12, 13 in the direction 8 and along the path P.
  • the sanding machine 1 has two operating modes of the operating units 12, 13 depending on the profile of the side faces 6 of each component 2.
  • the rollers 45a, 45b of the unit 12 and the rollers 51a, 51b of the unit 13 are aligned with one another in the direction 8
  • the rollers 51a, 51b of the unit 12 and the rollers 45a, 45b of the unit 13 are aligned with one another and with the limit stop device 14 in the direction 8 and the feeding channel 23 has a constant width, which is equal to the width of the component 2.
  • the cylinders 19 fixed to the slides 16 of the two units 12, 13 are supplied with a pressure which, in any case, is smaller than the thrust exerted by the component 2 upon the assemblies 21, 22 of the two units 12, 13 so as to make up for possible changes in the shape of the faces 6 of the component 2.
  • the cylinders 30 of the shock absorber devices 29 of the two units 12, 13 are supplied with a pressure which, in any case, is smaller than the thrust exerted by the component 2 upon the assemblies 21, 22 of the two units 12, 13 so as to make up for possible changes in the width of the component 2 due to production size tolerances.
  • the slide 16 and, hence, the assemblies 21, 22 of each unit 12, 13 are movable in the direction 11 depending on the profile of the faces 6 of the component 2 and the platforms 31, 47 and, hence, the assemblies 21, 22 of each unit 12, 13 are movable around the relative fulcrum axes 32, 48 depending on the profile of the faces 6 of the component 2.
  • the path P extends through two further operating units, one of them (hereinafter indicated with 66) being shown in figures 10 and 11 and being configured to sand the bottom left edge 65 and the top right edge 65 and the other one (which is not shown herein) being configured to sand the bottom right edge 65 and the top left edge 65.
  • the unit 66 comprises a frame 67, an intermediate slide 68 and a shock absorber device 69, which are completely equivalent to the frame 15, to the intermediate slide 16 and to the shock absorber device 17 of the units 12, 13.
  • the slide 68 supports two conveyor assemblies 70, 71 arranged on opposite sides of the path P in the direction 11.
  • the assembly 70 is integral to the slide 68 in the direction 11, is aligned with the limit stop device 14 in the direction 8 and is provided with a vertical upright 72 projecting upwards from the slide 68 in the direction 33.
  • the upright 72 supports a plurality of motor-driven conveyor rollers 73 (in particular, two rollers 73), which are aligned with one another and with the device 14 in the direction 8, face the path P, laterally delimit the channel 23 and are mounted so as to rotate around respective rotation axes 74, which are parallel to the direction 33.
  • motor-driven conveyor rollers 73 in particular, two rollers 73
  • the upright 72 supports a plurality of motor-driven conveyor rollers 73 (in particular, two rollers 73), which are aligned with one another and with the device 14 in the direction 8, face the path P, laterally delimit the channel 23 and are mounted so as to rotate around respective rotation axes 74, which are parallel to the direction 33.
  • the assembly 70 further comprises a sanding device 75 provided with a first support plate 76, which is mounted on the upright 72 and is inclined relative to the surface A so as to be substantially perpendicular to the relative edge 65, with a second support plate 77, which is coupled to the plate 76 in a sliding manner so as to move, relative to the plate 76, in the direction 8, and with a bracket 78, which is coupled to the plate 76 in a rotary manner so as to rotate, relative to the plate 76 and due to the thrust of an operating device 79, which is better described below, with an oscillatory reciprocating motion around a fulcrum axis 80, which is parallel to the plate 76.
  • a sanding device 75 provided with a first support plate 76, which is mounted on the upright 72 and is inclined relative to the surface A so as to be substantially perpendicular to the relative edge 65, with a second support plate 77, which is coupled to the plate 76 in a sliding manner so as to move, relative to the plate 76
  • the device 75 has three pulleys 81, which are mounted on the plate 76 with a triangle-like arrangement, and an abrasive belt 82 wound around the pulleys 81 in a ring shape.
  • a first pulley 81 (hereinafter indicated with 81a) is a motor-driven roller mounted on the plate 76 so as to rotate around a longitudinal axis 83 of its, which is perpendicular to the plate 76, due to the thrust of an operating device 84 comprising an electric motor 85, which is fixed to the plate 76, and a belt transmission 86, which is interposed between the roller 81a and the motor 85.
  • a second pulley 81 (hereinafter indicated with 81b) is a stretching roller, which is mounted on the plate 77 so as to rotate around a longitudinal axis 87 of its parallel to the axis 83 and is moved by the plate 77 in the direction 8 so as to stretch the belt 82.
  • a third pulley 81 (hereinafter indicated with 81c) is mounted on the bracket 78 so as to rotate around a longitudinal axis 88 of its, whose orientation depends on the position of the bracket 78 around the axis 80.
  • the oscillatory reciprocating motion of the bracket 78 and, hence, of the pulley 81c around the axis 80 generates a straight reciprocating motion of the belt 82 along the pulleys 81a, 81b, 81c and, hence, a relatively even wear of the belt 82.
  • the device 79 comprises a reduction unit 89, which is fixed to the bracket 78 and has an input shaft 90, which is mounted so as to rotate around a longitudinal axis 91 of its parallel to the axis 88 and is connected to the pulley 81c through the interposition of a belt transmission 92.
  • the reduction unit 89 is further provided with an output shaft 93 comprising a first portion 94, which is coupled to the shaft 90 so as to rotate around a longitudinal axis 95 of its transverse to the axis 91, and a second portion 96, which has a longitudinal axis 97 parallel to the axis 95, is coupled to the portion 94 in an angularly fixed manner and is further coupled to the portion 94 in a sliding manner so as to be moved, during a set-up phase for setting up the sanding device 75, crosswise to the axis 97.
  • the portion 96 is axially locked on the portion 94 by means of a fastening screw (not shown herein), which extends through a slot 98 obtained in the portion 96, is screwed into the portion 94 and allows the eccentricity of the axis 97 relative to the axis 95 to be selectively controlled.
  • the portion 96 is engaged in a rotary manner, through the interposition of a rolling ball bearing which is not shown herein, through a first free end of a connecting rod 99, whose second free end is connected, through the interposition of a ball joint which is not shown herein, to a coupling pin 100, which projects, crosswise to the axis 80, from a support bracket 101 fixed to the plate 76 perpendicularly to the plate 76.
  • the rotary motion of the pulley 81c around the axis 88 is transmitted by the belt transmission 92, first of all, to the input shaft 90 and, then, to the output shaft 93 of the reduction unit 89 so as to move the portion 94 around the axis 95 and the portion 96 around the axis 97.
  • the portion 96 Since the portion 96 is engaged through the connecting rod 99, which, in turn, is connected to the bracket 101 and, hence, to the plate 76, the portion 94 is caused to rotate around the eccentric axis 97, thus generating the oscillatory reciprocating motion of the bracket 78 around the axis 80.
  • the oscillatory reciprocating motion of the pulley 81c around the axis 80 generates a straight reciprocating motion of the belt 82 along the pulleys 81a, 81b, 81c parallel to the relative axes 83, 87, 88 and a substantially even wear of the belt 82 over a relatively large width of the belt 82.
  • the straight reciprocating motion of the belt 82 along the pulleys 81a, 81b, 81c has a back stroke and a forth stroke, which are independent of the speed of movement of the belt 82 around the pulleys 81a, 81b, 81c, depend on the width of the oscillation of the bracket 78 around the axis 80 and, hence, on the eccentricity between the axes 95 and 97 and are selectively controlled by changing the eccentricity between the axes 95 and 97.
  • the device 75 further comprises a pushing element 102, which is mounted between the pulleys 81b and 81c and is movable, due to the thrust of a pneumatic actuator cylinder 103 fixed to the plate 76, between a forward operating position, in which the element 102 causes the belt 82 to come into contact with the relative edge 65, and a retracted rest position, in which the belt 82 disengages the edge 65.
  • a pushing element 102 which is mounted between the pulleys 81b and 81c and is movable, due to the thrust of a pneumatic actuator cylinder 103 fixed to the plate 76, between a forward operating position, in which the element 102 causes the belt 82 to come into contact with the relative edge 65, and a retracted rest position, in which the belt 82 disengages the edge 65.
  • the assembly 71 is arranged on the side of the path P opposite the one of the device 14 and comprises a horizontal slide 104, which is mounted on the slide 68 and is coupled to the slide 68 in a sliding manner so as to make straight movements along the slide 68 in the direction 11 due to the thrust of an operating device, which is completely equivalent to the operating device 26, and through the interposition of a shock absorber device, which is completely equivalent to the shock absorber device 29.
  • the slide 104 extends upwards in the direction 33 and supports a plurality of motor-driven conveyor rollers 105 (in particular, two rollers 105), which are aligned with one another in the direction 8, face the path P, laterally delimit the channel 23 and are mounted so as to rotate around respective rotation axes 106, which are parallel to the direction 33.
  • the slide 104 is engaged in a sliding manner by a vertical slide 107, which, during a set-up phase for setting up the assembly 71, is moved by an operating device 108 along the slide 104 in the direction 33 depending on a height of the component 2.
  • the slide 107 supports a sanding device 109, which is completely equivalent to the sanding device 75 and is hinged to the slide 107 so as to rotate, relative to the slide 107 and due to the thrust of a pair of actuator cylinders 110, around a fulcrum axis 111, which is substantially parallel to the direction 8, between an operating position, in which the device 109 sands the relative edge 65, and a rest position, which is suited to allow the belt 82 to be replaced.
  • a sanding device 109 which is completely equivalent to the sanding device 75 and is hinged to the slide 107 so as to rotate, relative to the slide 107 and due to the thrust of a pair of actuator cylinders 110, around a fulcrum axis 111, which is substantially parallel to the direction 8, between an operating position, in which the device 109 sands the relative edge 65, and a rest position, which is suited to allow the belt 82 to be replaced.
  • the operating unit (not shown) mounted downstream of the unit 66 in the direction 8 is completely equivalent to the unit 66 and the only difference from the unit 66 lies in the fact that:

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (14)

  1. Schleifmaschine zum Schleifen/Endbearbeiten/Bürsten von Bauteilen (2) aus Holz, Metall oder dergleichen; wobei jedes Bauteil (2) eine obere Fläche (3) und eine untere Fläche (4), die im Wesentlichen parallel zueinander sind, eine Vorderfläche (5) und eine Rückfläche (6) sowie zwei Seitenflächen (6) aufweist; wobei die Schleifmaschine eine Basis (15), wenigstens eine Schleifeinheit (12, 13) und eine Zuführvorrichtung (7) umfasst, die eine Auflagefläche (A) für wenigstens ein Bauteil (2) definiert und dafür ausgelegt ist, das Bauteil (2) in einer ersten Richtung (8), die parallel zu der Auflagefläche (A) ist, und entlang eines sich durch die Schleifeinheit (12, 13) erstreckenden Weges (P) zuzuführen; wobei die Schleifeinheit (12, 13) ihrerseits zwei Förderanordnungen (21, 22) umfasst, die auf gegenüberliegenden Seiten des Weges (P) in einer zweiten Richtung (11) montiert sind, die parallel zu der Auflagefläche (A) und quer zu der ersten Richtung (8) ist, einen Zuführkanal (23) definieren, der das Bauteil (2) durch die Schleifeinheit (12, 13) führt, und in Abhängigkeit von einer Breite des Bauteils (2), gemessen parallel zu der zweiten Richtung (11), relativ zueinander in der zweiten Richtung (11) beweglich sind; wobei wenigstens eine Förderanordnung (21, 22) mit einer Schleifvorrichtung (53) zum Schleifen/Endbearbeiten/Bürsten einer Seitenfläche (6) des Bauteils (2) versehen ist; und dadurch gekennzeichnet, dass die Schleifeinheit (12, 13) ferner einen Zwischenschlitten (16) umfasst, der zwischen der Basis (15) und den zwei Förderanordnungen (21, 22) angeordnet ist, die zwei Förderanordnungen (21, 22) stützt und mit der Basis (15) gleitend gekoppelt ist, um sich aufgrund des Schubs, der von dem Bauteil (2) auf die zwei Förderanordnungen (21, 22) ausgeübt wird, in Abhängigkeit von einem Profil der Seitenflächen (6) des Bauteils (2) in der zweiten Richtung (11) zu bewegen.
  2. Schleifmaschine nach Anspruch 1, wobei die Schleifeinheit (12, 13) ferner eine erste Stoßdämpfervorrichtung (17) umfasst, die zwischen der Basis (15) und dem Zwischenschlitten (16) angeordnet ist, um es dem Zwischenschlitten (16) zu ermöglichen, sich aufgrund des Schubs, der von dem Bauteil (2) auf die zwei Förderanordnungen (21, 22) ausgeübt wird, in Abhängigkeit von dem Profil der Seitenflächen (6) des Bauteils (2) in der zweiten Richtung (11) zu bewegen.
  3. Schleifmaschine nach Anspruch 2, wobei die erste Stoßdämpfervorrichtung (17) einen ersten Stellzylinder (18), der an der Basis (15) befestigt ist, einen zweiten Stellzylinder (19), der an dem Zwischenschlitten (16) befestigt ist, und eine Ausgangsstange (20), die gleitend in den ersten Stellzylinder (18) und in den zweiten Stellzylinder (19) eingreift, umfasst.
  4. Schleifmaschine nach einem der vorhergehenden Ansprüche, wobei eine erste Förderanordnung (22) an dem Zwischenschlitten (16) in der zweiten Richtung (11) befestigt ist und eine zweite Förderanordnung (21) in Abhängigkeit von der Breite des Bauteils (2) entlang des Zwischenschlittens (16) in der zweiten Richtung (11) beweglich ist.
  5. Schleifmaschine nach Anspruch 4, wobei die Schleifeinheit (12, 13) ferner eine Betätigungsvorrichtung (26) zum Bewegen der zweiten Förderanordnung (21) entlang des Zwischenschlittens (16) in der zweiten Richtung (11) umfasst; wobei die Betätigungsvorrichtung (26) ein Stellglied (28) umfasst, das in der zweiten Richtung (11) beweglich ist.
  6. Schleifmaschine nach Anspruch 5, wobei die zweite Förderanordnung (21) mit dem Stellglied (28) gleitend gekoppelt ist, um sich relativ zu dem Stellglied (28) aufgrund des Schubs, der von dem Bauteil (2) auf die zwei Förderanordnungen (21, 22) ausgeübt wird, in Abhängigkeit von dem Profil der Seitenflächen (6) des Bauteils (2) in der zweiten Richtung (11) zu bewegen.
  7. Schleifmaschine nach Anspruch 6, wobei die Schleifeinheit (12, 13) ferner ein zweite Stoßdämpfervorrichtung (29) umfasst, die zwischen der zweiten Förderanordnung (21) und dem Stellglied (28) angeordnet ist.
  8. Schleifmaschine nach einem der vorhergehenden Ansprüche, wobei wenigstens eine Förderanordnung (21, 22) Folgendes umfasst: eine Drehplattform (31, 47), die derart montiert ist, dass sie sich aufgrund des Schubs, der von dem Bauteil (2) auf die Förderanordnung (21, 22) ausgeübt wird, in Abhängigkeit von dem Profil der Seitenflächen (6) des Bauteils (2) relativ zu dem Zwischenschlitten (16) um eine Drehachse (32, 48) dreht, die senkrecht zu der Auflagefläche (A) ist, und eine Fördervorrichtung (45, 51), die an der Drehplattform (31, 47) montiert ist.
  9. Schleifmaschine nach einem der vorhergehenden Ansprüche, wobei jede Förderanordnung (21, 22) Folgendes umfasst: eine Drehplattform (31, 47), die derart montiert ist, dass sie sich relativ zu dem Zwischenschlitten (16) um eine Drehachse (32, 48) dreht, die senkrecht zu der Auflagefläche (A) ist, und eine Fördervorrichtung (45, 51), die an der Drehplattform (31, 47) montiert ist; wobei die Schleifvorrichtung (53) an der Drehplattform (47) der entsprechenden Förderanordnung (22) montiert ist.
  10. Schleifmaschine nach Anspruch 8 oder 9, wobei jede Fördervorrichtung (45, 51) eine Eingangsrolle (45a, 51a) umfasst, die derart montiert ist, dass sie sich um die Drehachse (32, 48) der jeweiligen Drehplattform (31, 47) dreht.
  11. Schleifmaschine nach Anspruch 10, wobei jede Fördervorrichtung (45, 51) ferner eine Ausgangsrolle (45b, 51b) und wenigstens eine Zwischenrolle (45b, 51b) umfasst, die zwischen der Eingangsrolle (45a, 51a) und der Ausgangsrolle (45b, 51b) montiert ist.
  12. Schleifmaschine nach Anspruch 11, wobei die Schleifvorrichtung (53) ein Schleifwerkzeug (82) umfasst, das zwischen der Zwischenrolle (45b, 51b) und der Eingangsrolle (45a, 51a) oder der Ausgangsrolle (45b, 51b) montiert ist.
  13. Schleifmaschine nach einem der Ansprüche 8 bis 12, die ferner für jede Drehplattform (31, 47) eine jeweilige dritte Stoßdämpfervorrichtung (34, 49) umfasst, um es der Drehplattform (31, 47) zu ermöglichen, sich aufgrund des Schubs, der von dem Bauteil (2) auf die jeweilige Förderanordnung (21, 22) ausgeübt wird, in Abhängigkeit von dem Profil der Seitenflächen (6) des Bauteils (2) um die jeweilige Drehachse (32, 48) zu drehen.
  14. Schleifmaschine nach Anspruch 13, wenn er von einem der Ansprüche 4 bis 7 abhängt, wobei die dritte Stoßdämpfervorrichtung (49) der ersten Förderanordnung (22) zwischen dem Zwischenschlitten (16) und der jeweiligen Drehplattform (47) angeordnet ist und die dritte Stoßdämpfervorrichtung (34) der zweiten Förderanordnung (21) zwischen der jeweiligen Drehplattform (31) und einem Stützschlitten (24) angeordnet ist, der zwischen dem Zwischenschlitten (16) und der Drehplattform (31) montiert ist und mit dem Zwischenschlitten (16) gleitend gekoppelt ist.
EP21213629.5A 2020-12-11 2021-12-10 Eine schleifmaschine zum schleifen/finishen/bürsten von bauteilen aus holz, metall oder dergleichen Active EP4011550B1 (de)

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CN115673901B (zh) * 2022-11-30 2023-10-31 江苏金牌厨柜有限公司 一种橱柜板材双面砂光机

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Publication number Priority date Publication date Assignee Title
DE485535C (de) * 1928-05-16 1930-01-25 Andreas Jopp Fa Maschine zum gleichzeitigen Schleifen zweier gegenueberliegender Flaechen prismatischer Gegenstaende
DE1652072A1 (de) * 1951-01-28 1970-01-08 Franz Josefy Bandschleifmaschine
US3566546A (en) * 1966-11-21 1971-03-02 Chemetron Corp Apparatus for grinding welded rail
US3597881A (en) * 1968-11-13 1971-08-10 Murray Way Corp Grinder for grinding the faces of edge-supported workpieces

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