EP3294494A1 - Belt finishing device - Google Patents
Belt finishing deviceInfo
- Publication number
- EP3294494A1 EP3294494A1 EP17714442.5A EP17714442A EP3294494A1 EP 3294494 A1 EP3294494 A1 EP 3294494A1 EP 17714442 A EP17714442 A EP 17714442A EP 3294494 A1 EP3294494 A1 EP 3294494A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- finishing
- belt
- separating
- workpiece
- feed
- 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.)
- Granted
Links
- 238000005520 cutting process Methods 0.000 claims description 44
- 230000033001 locomotion Effects 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 description 11
- 239000000969 carrier Substances 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/004—Machines or devices using grinding or polishing belts; Accessories therefor using abrasive rolled strips
-
- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
-
- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/42—Single-purpose machines or devices for grinding crankshafts or crankpins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
- B24D15/02—Hand tools or other devices for non-rotary grinding, polishing, or stropping rigid; with rigidly-supported operative surface
- B24D15/023—Hand tools or other devices for non-rotary grinding, polishing, or stropping rigid; with rigidly-supported operative surface using in exchangeable arrangement a layer of flexible material
- B24D15/026—Hand tools or other devices for non-rotary grinding, polishing, or stropping rigid; with rigidly-supported operative surface using in exchangeable arrangement a layer of flexible material able to be stripped-off from a built-in delivery spool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
- B26D1/24—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
- B26D1/245—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter for thin material, e.g. for sheets, strips or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/0006—Cutting members therefor
- B26D2001/0046—Cutting members therefor rotating continuously about an axis perpendicular to the edge
Definitions
- the invention relates to a belt finishing device
- Finish finishing of a workpiece is a method of surface machining a workpiece, also referred to as "superfinishing” or “microfinishing”.
- an abrasive Finish tool in the form of a finishing stone or a finishing tape
- the object to be rotated rotates
- Rotation axis move parallel directions relative to each other.
- a belt finishing device is for example from the
- Finishing belts use stock rolls, from which fresh finishing belt is unwound and fed to the work area.
- machined workpiece surface uses the effective area, so fresh at predetermined intervals
- Finishing tape sections are supplied from the stock out. Worn / spent finishing belt sections are fed out of the working area to a collecting area and there to a collecting roller to be disposed of later
- finishing tapes that can be up to 300 meters in length.
- the winding up of such a long finishing tape is error-prone.
- the collecting rollers can be fully wound in their
- the present invention is based on the object, the handling of the finishing tape to
- a separating device for separating finishing belt sections is arranged in the collecting area, which has at least one motor-driven separating element.
- Separating device provided which separates with a motor-driven separating element finishing tape sections. By the separation of finishing tape sections these can be compared to a winding of a complete
- Finish bands on a collecting roll are easier to collect and easier to dispose of.
- Collection area of the belt finishing device is arranged, an operation of the separator is possible without the
- finishing tape sections can be separated, for example, finishing tape sections whose maximum length is only 100 mm. These short finishing tape sections can be collected and easily disposed of, also independent of the state of consumption of the supply roll for fresh finishing tape.
- the separating device has two separating elements in the form of cutting discs, which cooperate in a separating region. Such a separator allows a particularly reliable separation of
- Finishing tape sections in a localized and thus clearly defined separation area finishing tape sections in a localized and thus clearly defined separation area.
- the cutting discs are each coupled for movement with a frictional engagement element, and if the frictional engagement elements for transmitting a
- Rotary movement of the cutting discs are in frictional engagement with each other. In this way, the rotational movement can be transmitted from one blade to the other blade. As a result of the contact between the frictional engagement elements, the frictional engagement elements move in the region of
- the friction elements are disc-shaped and cylindrical frictional surfaces have, whose distance to the respective axis of rotation is identical relative to each other. In this way it is possible to drive the cutting discs in a simple manner at the same rotational speed.
- ReibBank vom have a radius which corresponds at least substantially to the radius of the cutting discs.
- the frictional engagement elements are arranged in the running direction of the finishing strip adjacent to the separation area. In this way, the torque transmission takes place immediately adjacent to the separation area. This is particularly advantageous when the frictional engagement elements have frictional engagement surfaces which are effective as clamping surfaces for the finishing belt. In this case, the frictional surfaces in addition to their function of torque transmission fulfill another
- the frictional surfaces have at least substantially the same radius as the
- Effective ranges of the separating elements corresponds to the over the width of the finishing tape applied cutting speed at least approximately the feed rate of the
- finishing belt is clamped and fixed so that the finishing belt is not exposed to further driving forces during the cutting process, ie based on the separator neither attracted too fast nor repelled in the opposite direction.
- Collecting containers need not necessarily be able to receive finishing tape sections of a complete supply roll. It may also be a small, lightweight and thus easier to handle collection container.
- the collecting container may be, for example, a collecting trough.
- the collecting container may be stationarily arranged on the band finishing device, so that it is not movable with respect to a machine frame of the band finishing device.
- the collecting container is arranged to be movable within the collecting area, for example along a movement axis extending parallel to a workpiece axis.
- the finishing belt to be cut passes in the collecting area in a vertical direction.
- Such a finishing tape can be cut particularly easily, especially when the inventive
- Separator is effective in a horizontal parting plane.
- the separating device is arranged stationary relative to a machine frame of the belt finishing device. In this case it is possible to
- Finishing tape in the work area lead by means of a Guide device drive are driven to move the finishing belt in the width direction of the finishing tape.
- a Guide device drive it is preferable if a
- Feed rate of the finishing strip in a direction parallel to the workpiece axis direction at least approximately equal to a voltage applied over the width of the finishing strip
- Cutting speed of the separator is. In this way, the finishing tape is exposed to no further driving forces during the cutting process, so is based on the separator neither attracted too quickly nor repelled in the opposite direction.
- the separating device is movable in parallel to the workpiece axis direction. In this way, the separating device (possibly with a collecting container connected to it) parallel to the
- Workpiece axis are moved so that a transection of a finishing tape can be done completely independent of the feed and the position of a guide device for guiding the finishing tape in the work area.
- Feed device at least approximately equal to a voltage across the width of the finishing strip cutting speed of the separator.
- the feed device is preferably a linear drive, for example an electric linear motor whose rotor is connected to the separating device
- the linear drive is in particular a rodless pneumatic cylinder.
- movable drive device for example, a rotary drive arranged on the separator, which drives a gear.
- the gear meshes with a rack that is parallel to the
- Movement axis of the extends so that the rotational movement of the gear is converted into a feed movement of the separator along the axis of movement.
- a transmission device is provided for translating a feed movement of the separating device into a drive movement of the separating element. In this way can be dispensed with an additional motor drive for the separator.
- Transmission device includes, for example, a non-rotatably coupled to a separator gear, which is driven by a drive gear.
- the drive gear is driven, for example, directly by a rotary drive mentioned above or by engaging in a parallel to the axis of movement of the separator
- the effect Drive device of the feed device as a motor drive for the separating element.
- Fig. 1 is a perspective view of a
- Embodiment of a belt finishing device Embodiment of a belt finishing device
- Fig. 2 is a perspective view of a
- Fig. 3 is a side view of the separator of
- Fig. 4 is a sectional view of the separating device of
- FIG. 5 shows a rear view of a further embodiment of a separating device
- Fig. 6 is a plan view of the separator of FIG.
- Fig. 7 is a sectional view of the separating device of
- the device 10 comprises a machine frame 12 for Arrangement of a rotary drive 14 and an oscillation drive 16.
- the rotary drive 14 serves to rotatably drive a workpiece 18 about a workpiece axis 20.
- Oscillation drive 16 serves to superimpose an oscillatory movement on this rotational movement of the workpiece 18. During this oscillation movement, the workpiece 18 reciprocates in a direction parallel to the workpiece axis 20.
- the workpiece surface to be machined finishend may be, for example, the peripheral surface of a crank pin 22.
- the belt finishing device 10 For finishing machining of a workpiece surface, the belt finishing device 10 comprises a finishing belt 24 which is fed from a finishing belt supply 26, for example a supply roll. To guide the finishing tape 24, a guide device 28 is provided. This includes in a conventional manner pressing elements which press the finishing belt 24 in a work area 30 against the finish end to be machined workpiece surface.
- Collection area is a separator 34 is arranged.
- the separating device 34 is arranged stationary with respect to the machine frame 12.
- a feed of the finishing tape 24 transversely to its direction (ie in the width direction of the finishing tape) in the region of the separating device 34 can be achieved in that the guide means 28 parallel to Workpiece axis 20 are moved, for example by means of a carriage 36th
- a band finishing device 10 usually has a plurality of guide means 28 which are arranged parallel to one another, so that seen along the workpiece axis 20 at the same time several finishing tapes 24 with different
- the separating device 34 is guided along a guide device 38 along a movement axis 40 and movable.
- the movement axis 40 extends parallel to the workpiece axis 20.
- the guide device 38 has a rail-shaped main body 42.
- the main body 42 serves to arrange a
- Feed device 44 in the form of a linear drive 46.
- the linear drive 46 serves to drive a rotor 48, which carries the separator 34, along the movement axis 40.
- the separating device 34 has two separating elements 50 and 52, which are designed in the form of two cutting discs 54 and 56.
- the cutting discs 54 and 56 cooperate with respective cutting edges in a separation area 58.
- One of the cutting edges is formed in that the cutting disk 54 is formed as a disc knife disc.
- the other cutting edge is formed by the fact that the cutting disc 56 is formed as Nutmesseral.
- the cutting discs 50 and 52 rotate around each other
- Compression spring 70 is provided. This presses the cutting edge of the cutting disc 54 against the cutting edge of the cutting disc 56th
- the carriages 76, 78 are force-urged parallel to the carriage axes 84, 86 by means of tension springs 88 in the direction of one another.
- a corresponding counterforce is generated in a region 90, in which two
- ReibBankettidInstitutium 91 and 92 abut each other frictionally.
- the frictional engagement elements 91 and 92 are each rotatably coupled to one of the cutting wheels 54, 56.
- the frictional engagement elements 91, 92 are cylindrical
- Friction surfaces 94, 96 which are frictionally engaged with each other in the area 90.
- ReibBank vom 94, 96 are for example made of a plastic, in particular Vulkollan ®.
- the region 90 is seen along the course 68 of the finishing tape 24 immediately adjacent to the
- a transmission device 98 is provided, which translates a movement of the separating device 34 along the movement axis 40 into a drive movement of the cutting discs 54, 56.
- the gear mechanism 98 comprises a toothed rod 100 fixedly connected to the main body 42 and extending along the rail.
- the toothed rack 100 cooperates with a toothed wheel 102, which is rotatably mounted on the separating device 34 about a rotation axis 104.
- a rotational movement of the gear 102 is transmitted by meshing engagement on a further gear 106 which is non-rotatably connected to the frictional engagement element 92 and the cutting disc 56.
- Movement axis 40 by means of the feed device 44 causes the gear 102 rolls on the rack 100.
- the resulting rotational movement of the gear 102 is transmitted in the opposite direction of rotation to the gear 106, which thus rotates about the rotation axis 66, together with the frictionally engaging element 92 and the cutting disc 56th
- Rotary movement 110 of the gear 102 is translated. Based on the direction of rotation 110, the gear 106 rotates
- ReibBank vom 91 and 92 is from the perspective of
- the finishing belt 24 to be cut is fixed in the region 90 and can be severed immediately adjacent thereto in the separation region 58. Since the cutting edges of the cutting discs 54, 56 have substantially the same diameter as the cylindrical frictional surfaces 94, 96, which is over the width of the finishing tape 24 adjacent
- Portions separated from the finishing belt 24 may be collected in a sump 112.
- Collecting container 112 is, for example, a collecting trough 114, which is movable together with the separating device 34 along the movement axis 40. Finishing belt sections collected in the collection trough 114 can be disposed of from there or else only temporarily stored in the collecting trough 114 and from there one
- Collecting trough 114 in the additional collecting container 116 for example, slide or blower can be used. It is also conceivable that the collecting channel 114 extends along the entire length of the rail 42.
- Disposal of the collecting channel 114 can by means of a conveyor belt.
- a conveyor belt extends
- a manual disposal of the collecting channel 114 is possible.
- This separating device 34 is a stationary separating device, which therefore not along a movement axis 40 parallel to the
- Workpiece axis 20 is movable in a feed direction.
- the separating device 34 according to FIGS. 5 to 7 has a drive motor 118 which drives a cutting disk 56 about an axis of rotation 66 in the direction of rotation.
- a transmission of the rotational movement to a further cutting disk 54 about an axis 64 takes place by means of frictional engagement elements 91 and 92, as described above with reference to FIGS. 2 to 4
- the axes 64 and 66 are each at approximately parallel to the workpiece axis 20 extending beams 120, 122nd
- a spacing device 124 is provided intended. This has a spindle axis 126 which is supported on the carrier 120 and is effective against the carrier 122, so that the carriers 120 and 122 against the force of the tension springs 88 can be pressed apart.
- one of the carriers is stationary, for example the carrier 120, while the other carrier is movable, for example the carrier 122.
- the separating device 34 comprises guide elements 126, 128 which are effective in a guiding plane which is oriented perpendicular to the running direction of the finishing tape 24.
- the guide elements 126, 128 define a V-shaped tapered guide space (see Figure 6).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016107965.0A DE102016107965A1 (en) | 2016-04-29 | 2016-04-29 | Belt finishing device |
PCT/EP2017/057510 WO2017186446A1 (en) | 2016-04-29 | 2017-03-30 | Belt finishing device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3294494A1 true EP3294494A1 (en) | 2018-03-21 |
EP3294494B1 EP3294494B1 (en) | 2019-01-02 |
EP3294494B2 EP3294494B2 (en) | 2021-03-10 |
Family
ID=58455048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17714442.5A Active EP3294494B2 (en) | 2016-04-29 | 2017-03-30 | Belt finishing device |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3294494B2 (en) |
KR (1) | KR102186634B1 (en) |
CN (1) | CN109153103B (en) |
DE (1) | DE102016107965A1 (en) |
WO (1) | WO2017186446A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018101339B4 (en) | 2018-01-22 | 2024-02-08 | Supfina Grieshaber Gmbh & Co. Kg | Belt finishing device |
CN110666710A (en) * | 2019-09-25 | 2020-01-10 | 温州市强达表业有限公司 | Wire drawing polisher for watch straps |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4478011A (en) * | 1981-08-03 | 1984-10-23 | Norton Co. | Hand sander |
DE3927085A1 (en) * | 1989-08-17 | 1991-02-21 | Krupp Maschinentechnik | DEBURRING DEVICE FOR PLASTIC WORKPIECES |
EP0700326A1 (en) * | 1993-05-26 | 1996-03-13 | Minnesota Mining And Manufacturing Company | Method of providing a smooth surface on a substrate |
SE509840C2 (en) * | 1995-11-06 | 1999-03-15 | Straalfors Ab | Cutting device for cutting continuous webs |
US6083091A (en) * | 1998-10-19 | 2000-07-04 | Jack W. Anderson | Machine for continuously advancing sandpaper on a palm sander |
DE102011081918A1 (en) * | 2011-08-31 | 2013-02-28 | Nagel Maschinen- Und Werkzeugfabrik Gmbh | Finishing machine for finishing curved workpiece surfaces on workpieces |
DE102014213194A1 (en) | 2014-07-08 | 2016-01-28 | Supfina Grieshaber Gmbh & Co. Kg | Pressing device for pressing a Finisbands against a workpiece surface |
-
2016
- 2016-04-29 DE DE102016107965.0A patent/DE102016107965A1/en not_active Withdrawn
-
2017
- 2017-03-30 CN CN201780025732.8A patent/CN109153103B/en active Active
- 2017-03-30 WO PCT/EP2017/057510 patent/WO2017186446A1/en active Application Filing
- 2017-03-30 KR KR1020187029108A patent/KR102186634B1/en active IP Right Grant
- 2017-03-30 EP EP17714442.5A patent/EP3294494B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN109153103A (en) | 2019-01-04 |
EP3294494B1 (en) | 2019-01-02 |
DE102016107965A1 (en) | 2017-11-02 |
KR20190002445A (en) | 2019-01-08 |
WO2017186446A1 (en) | 2017-11-02 |
KR102186634B1 (en) | 2020-12-04 |
EP3294494B2 (en) | 2021-03-10 |
CN109153103B (en) | 2019-12-24 |
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