Source: https://patents.google.com/patent/DE10010520C2/en
Timestamp: 2020-07-07 13:59:04
Document Index: 312768337

Matched Legal Cases: ['art. 7', 'arts 16', 'art 16', 'art 16', 'art 16', 'art 16', 'art 18', 'art 16', 'art 18', 'arts 16', 'art 18', 'art 18', 'art 18']

DE10010520C2 - Device for processing welding electrodes with a grinding wheel - Google Patents
Device for processing welding electrodes with a grinding wheel
DE10010520C2
DE10010520C2 DE2000110520 DE10010520A DE10010520C2 DE 10010520 C2 DE10010520 C2 DE 10010520C2 DE 2000110520 DE2000110520 DE 2000110520 DE 10010520 A DE10010520 A DE 10010520A DE 10010520 C2 DE10010520 C2 DE 10010520C2
DE2000110520
DE10010520A1 (en
Rolf Tamm
2000-03-07 Application filed by Rolf Tamm filed Critical Rolf Tamm
2000-03-07 Priority to DE2000110520 priority Critical patent/DE10010520C2/en
2001-09-20 Publication of DE10010520A1 publication Critical patent/DE10010520A1/en
2002-11-28 Publication of DE10010520C2 publication Critical patent/DE10010520C2/en
238000003466 welding Methods 0.000 title claims description 42
238000005493 welding type Methods 0.000 claims description 4
The invention relates to a device for processing welding electrodes a grinding wheel, the grinding wheel rotating in a housing in which Housing at least one breakthrough to carry out a process Welding electrode is provided so that the tip of the electrode can be ground can, and guide means for guiding the welding electrode in a defined position to the Grinding wheel are provided.
Welding electrodes consist of a very hard and against high temperatures resistant material like tungsten. There are welding electrodes of different types Cross-section. The welding electrodes run out in a tip or in a cutting edge. This shape of the welding electrodes depends on the respective application. The peaks of the welding electrodes wear during operation.
Welding electrodes can be purchased with a pre-made tip. After this Use of the tip is worn out. The welding electrodes were then discarded. This is very expensive because of the high quality material. It is also known to be worn out Regrind welding electrodes. This is usually done by hand on open ones Grinding or cutting discs. This procedure is inaccurate and dangerous. Farther Devices with an open grinding wheel are known in which the Welding electrodes through a guide sleeve at a certain angle against the Be guided grinding wheel. Such devices are also expensive. It is particularly complex, the device to adapt to different types of To convert welding electrodes or to different tip or cutting edge shapes. An exchange of the guide sleeves is particularly necessary.
EP 822 882 B1 and JP 07276211 A are devices for processing of welding electrodes with a grinding wheel and guide means for guiding the Known welding electrode in a defined position to the grinding wheel, in which the Grinding wheel rotates in a housing and a breakthrough in the housing Performing a welding electrode to be machined is provided.
In the device described in EP 822 882 B1, the welding electrode is passed through Clamping means clamped in an electrode holder. The electrode holder comes in two Openings of a slidable carrier fixed to a fixed guide and protrude through an elongated lip seal provided in the opening of the housing in the Housing inside. By adjusting the bracket, the angle between Electrode tip and grinding wheel changed. The electrode holder in the Lip seal moved in the longitudinal direction of the lip seal.
In the device described in JP 07276211 A, the welding electrode is in one of several different guide holes of an electrode guide member introduced. The different guide holes have different diameters according to the diameters of different welding electrodes to be machined. The electrode guide member is inserted in a guide body and so there held that the electrode guide member with one end in the housing by a Breakthrough. The guide body is attached to an angle adjustment plate, which is movably attached to the housing. The guide body is in that Breakthrough of the housing can be moved laterally.
The devices described in EP 822 882 B1 and JP 07276211 A can Welding electrodes are processed with a grinding wheel, the Welding electrodes are held in brackets which allow Welding electrodes with different diameters and under different Machining processing angles. However, these devices are very elaborate guide means for guiding the welding electrode in a defined position the grinding wheel.
The invention is therefore based on the object of a simply constructed and Manageable device for processing welding electrodes with a Creating grinding wheel.
According to the invention this object is achieved in that the guide means alone the breakthrough are formed.
The grinding wheel runs securely in a housing. The breakthrough becomes one welding electrode inserted through it in a defined manner, d. H. under a defined angle against the grinding wheel. That makes it handy Device that the user can carry comfortably at work.
An advantageous solution is that the housing is formed in two parts, wherein a first part of the housing receives the grinding wheel and its storage and the second, interchangeably attached to the first part has the opening. It can then be replaced by replacing the second part with another part different breakthrough adaptation to different diameters, Cross-sectional shapes or tip angles of the welding electrodes take place.
Instead of or in addition to this measure, it can also be provided that the Housing a plurality of mutually offset, different openings for holding different types of welding electrodes. It can also the housing has a plurality of mutually offset openings, the Axes intersect the plane of the grinding wheel at different angles. This makes it possible to convert different types and / or lace or without conversion Machining cutting edges of welding electrodes.
Embodiments of the invention are the subject of further dependent claims.
An embodiment of the invention is below with reference to the associated drawings explained in more detail.
Fig. 1 is a perspective view of a device for processing welding electrodes by means of a grinding wheel.
Fig. 2 is a perspective view of the device of Fig. 1 seen from the opposite side.
FIG. 5 shows a longitudinal section through the device along the line AA from FIG. 3.
FIG. 6 shows a section along the line DD from FIG. 5.
FIG. 7 shows a longitudinal section along the line CC from FIG. 3.
FIG. 8 shows a section along the line BB from FIG. 3.
FIG. 9 shows a section along the line FF from FIG. 3.
Fig. 10 is a perspective view of the "second" portion of the housing of the device of FIG. 1,.
Fig. 11 is a top view detail drawing of the grinding wheel.
FIG. 12 shows a section along the line AA from FIG. 11.
In Figs. 1 and 2 is generally a device for processing designated 10 of welding electrodes made of tungsten. The device can grind conical or cutting tips of the welding electrodes. The device is also suitable for cutting pieces of welding electrodes straight or obliquely. The device 10 is driven by a drive motor (not shown). On the housing of this drive motor there is a collar 12 which coaxially surrounds the shaft of the drive motor.
The housing 14 of the device 10 is 18. As shown in Fig of a in Fig. 1 rear "first" portion 16 and a front in Fig. 1, "the second part. 7 can best be seen, the two parts 16 and 18 by two screws 20 easily connected to each other detachably. This 18 can be achieved, and by the first part 16 is replaced by a differently shaped second part of the second part. the housing 14 is generally cuboid with a "rear" motor-side end face 22 and a front end face 24. the first part 16 has in its motor-side end surface 22 of an aperture 26. this cut-out 26 is placed the housing 14 on the collar 12 on the motor housing. As best seen in FIGS. 2 and 6 can be seen, the first part of the housing 14 provided with a longitudinal slot 28 along one edge of the cuboid up to a transverse slot 27. The first housing part is by means of a clamping screw 30 extending transversely through the longitudinal slot 28 16 clamped on the collar 12 .
The first part 16 of the housing 14 contains a grinding wheel holder 32 . The grinding wheel holder 32 is connected to the shaft of the drive motor. A seal 33 is provided between the grinding wheel holder 32 and the collar 12 in order to prevent the penetration of grinding dust into the ball bearings of the drive motor. A grinding wheel 34 sits on the grinding wheel holder 32 . The grinding wheel 34 is positively connected to the grinding wheel holder 32 . To this end, the grinding wheel is clamped 34 by a central screw 36 which is screwed into the grinding wheels 32 on the wheel flange 32nd In addition, an off-center pin 38 sits on the grinding wheel receptacle 32 and engages in a corresponding opening in the grinding wheel 34 . The plane of the grinding wheel 34 essentially coincides with the parting plane 40 between the first part 16 and the second part 18 of the housing 14 . A radial bore 42 is provided in the first part 16 of the housing 14 . The grinding wheel holder 32 has a transverse bore 44 , which lies in the radial plane of the bore 42 . The bores 42 and 44 have the same diameter. In this way, a pin (not shown) can be inserted through the radial bore 42 and the transverse bore 44 and hold the grinding wheel holder 32 against rotation. This allows the screw 36 to be tightened if necessary, without the resulting torque loading the clutch between the grinding wheel holder 32 and the motor shaft. A central longitudinal bore 46 is provided in the second part 18 of the housing 14 for tightening the screw 36 .
The second part contains in four flat side surfaces 48 a plurality of openings or channels 50 , which open in the parting plane 40 between the first and second parts 16 and 18 and in which welding electrodes 52 are guided, such as. B. from Fig. 1 and 2 can be seen. The openings or channels 50 run at different angles to the plane of the grinding wheel 34 and in some cases have different cross sections corresponding to the different types of welding electrodes. Thus, if necessary, can be sanded without modification to the device 10 different types of welding electrodes 52 at different angles at the top. In addition to the openings or channels 50 , windows 54 are provided which make it possible to observe the grinding process on the grinding wheel 34 .
In the second part 18 of the housing 14 there is a connection 56 for supplying a coolant and flushing agent to the grinding wheel 34 . In the second part 18 of the housing 14 , radial channels are also provided in the region of the grinding wheel 34 for removing the coolant and flushing agent and the grinding dust bound therefrom. Windows 54 serve as such.
In the second part 18 of the housing 14 and the adjoining section of the first part there is a longitudinal slot 58 which is aligned with the longitudinal slot 28 . Welding electrodes can be introduced into the longitudinal slot 58 in a longitudinal plane and, if necessary, pressed against the outer surface of the grinding wheel at an angle. This allows pieces of welding electrodes to be cut straight or at an angle.
The tungsten of the welding electrodes is a hard metal. The grinding and also the cutting of the welding electrodes by means of the grinding wheel is made possible in that the grinding wheel is coated with diamond dust. The diamond dust does not adhere to sharp edges. Therefore, the edges 66 and 68 between the outer surface 60 of the grinding wheel 34 and the end faces 62 and 64 are rounded, as shown in FIGS. 11 and 12.
1. Device for processing welding electrodes with a grinding wheel ( 34 ), the grinding wheel ( 34 ) rotating in a housing ( 14 ), in the housing ( 14 ) an opening ( 50 ) is provided for performing a welding electrode ( 52 ) to be processed , so that the tip of the electrode can be ground, and guide means for guiding the welding electrode ( 52 ) in a defined position relative to the grinding wheel ( 34 ) are provided, characterized in that the guide means are formed solely by the opening ( 50 ).
2. Apparatus according to claim 1, characterized in that the housing ( 14 ) is formed in two parts, a first part ( 16 ) of the housing ( 14 ) receiving the grinding wheel ( 34 ) and its storage and the second, replaceable on the first part ( 16 ) attached part ( 18 ) has the opening ( 50 ).
3. Apparatus according to claim 2, characterized in that the plane of the grinding wheel ( 34 ) substantially coincides with the parting plane ( 40 ) between the first ( 16 ) and the second part ( 18 ) of the housing ( 14 ).
4. Device according to one of claims 1 to 3, characterized in that the housing ( 14 ) has a plurality of mutually offset, different openings ( 50 ) for receiving different types of welding electrodes ( 52 ).
5. Device according to one of claims 1 to 4, characterized in that the housing ( 14 ) has a plurality of mutually offset openings ( 50 ) whose axes intersect the plane of the grinding wheel ( 34 ) at different angles.
6. Device according to one of claims 1 to 5, characterized in that the grinding wheel ( 34 ) is positively connected to a grinding wheel holder ( 32 ) which in turn is connected to the shaft of a drive motor.
7. The device according to claim 6, characterized in that a central clamping screw ( 36 ) for clamping the grinding wheel ( 34 ) to the grinding wheel holder ( 32 ) and an eccentric pin ( 38 ) are provided for producing the positive connection, the pin ( 38 ) engages in an opening in the grinding wheel ( 34 ).
8. The device according to claim 7, characterized in that in the end face of the housing ( 14 ) a longitudinal bore ( 46 ) is provided through which the clamping screw ( 36 ) is accessible for a tool.
9. The device according to claim 8, characterized by holding means for holding the grinding wheel holder ( 32 ) against rotation.
10. The device according to claim 9, characterized in that as a holding means a pin through a transverse bore ( 44 ) of the grinding wheel holder ( 32 ) and the radial bore ( 42 ) lying in the same radial plane in the housing ( 14 ) can be inserted.
11. Device according to one of claims 1 to 10, characterized in that in the housing ( 14 ) over the end face ( 24 ) of the housing ( 14 ) extending longitudinal slot ( 58 ) is formed, through which a welding electrode for cutting through the outer surface ( 60 ) of the grinding wheel ( 34 ) can be applied.
12. The apparatus according to claim 11, characterized in that between the outer surface ( 60 ) of the grinding wheel ( 34 ) and the end faces ( 62 , 64 ) of the grinding wheel ( 34 ) rounded edges ( 66 , 68 ) are formed.
13. Device according to one of claims 1 to 12, characterized in that in the housing ( 14 ) a connection ( 56 ) for supplying a coolant and flushing agent to the grinding wheel ( 34 ) is provided.
14. Device according to one of claims 1-13, characterized in that in the housing ( 14 ) next to the or each opening ( 50 ), a window ( 54 ) for observing the contact area of the welding electrode and grinding wheel ( 34 ) is provided.
15. The apparatus according to claim 14, characterized in that radial channels in the housing ( 14 ) in the region of the grinding wheel ( 34 ) are provided as windows ( 54 ), which serve to remove the coolant and washing-up liquid and the grinding dust bound therefrom.
DE2000110520 2000-03-07 2000-03-07 Device for processing welding electrodes with a grinding wheel Expired - Lifetime DE10010520C2 (en)
DE2000110520 DE10010520C2 (en) 2000-03-07 2000-03-07 Device for processing welding electrodes with a grinding wheel
DE10066071A DE10066071C2 (en) 2000-03-07 2000-03-07 Device for processing welding electrodes with a grinding wheel
DE10066073A DE10066073C2 (en) 2000-03-07 2000-03-07 Device for processing welding electrodes with a grinding wheel
DE10010520A1 DE10010520A1 (en) 2001-09-20
DE10010520C2 true DE10010520C2 (en) 2002-11-28
ID=7633460
DE10066071A Expired - Lifetime DE10066071C2 (en) 2000-03-07 2000-03-07 Device for processing welding electrodes with a grinding wheel
DE2000110520 Expired - Lifetime DE10010520C2 (en) 2000-03-07 2000-03-07 Device for processing welding electrodes with a grinding wheel
DE10066073A Expired - Lifetime DE10066073C2 (en) 2000-03-07 2000-03-07 Device for processing welding electrodes with a grinding wheel
DE (3) DE10066071C2 (en)
DE10210069B4 (en) * 2002-03-08 2009-11-12 Rolf Tamm Device for processing welding electrodes with a grinding wheel
US9022838B2 (en) 2011-07-28 2015-05-05 Rolf Tamm Assembly for grinding electrodes
DE10112930C1 (en) * 2001-03-12 2002-11-07 Rolf Tamm Holding device used in welding devices comprises a holding body consisting of a first holder for holding a welding electrode on a first section and a second holder for holding the electrode on a second section
DE10208914B4 (en) * 2002-02-27 2005-09-01 Rolf Tamm Grinding wheel
DE10243210B3 (en) * 2002-09-17 2004-05-27 Rolf Tamm Device for processing welding electrodes has a grinding plate driven by a shaft and rotating in a housing which is placed flush on another housing
US7488239B2 (en) 2006-11-08 2009-02-10 Rolf Tamm Assembly for grinding electrodes
DE102006052905B4 (en) * 2006-11-08 2011-05-05 Rolf Tamm Arrangement for grinding electrodes
DE102006052904B4 (en) * 2006-11-08 2011-07-07 Tamm, Rolf, 88682 Arrangement for grinding electrodes
DE102009044855A1 (en) 2009-12-10 2011-06-16 Rolf Tamm Kit for retrofitting an electrode grinding device and electrode grinding device
DE102009044857A1 (en) 2009-12-10 2011-06-16 Rolf Tamm Arrangement for grinding electrodes and grinding wheel
DE102009057490A1 (en) 2009-12-10 2011-06-16 Rolf Tamm Electrode grinding device
DE102009044860B3 (en) 2009-12-10 2011-04-28 Rolf Tamm Electrode grinding device
DE102013104875B3 (en) * 2013-05-13 2014-10-30 Rolf Tamm Electrode grinding device
CN104827224A (en) * 2015-05-13 2015-08-12 广西梧州运龙港船机械制造有限公司 Welding tool of jinny connection plates of marine crane
JPH07276211A (en) * 1994-04-13 1995-10-24 Akihisa Murata Electrode grinding machine
EP0822882B1 (en) * 1995-03-27 2000-04-05 Euro-Tool APS Apparatus for grinding welding electrodes, in particular wolfram electrodes
2000-03-07 DE DE10066071A patent/DE10066071C2/en not_active Expired - Lifetime
2000-03-07 DE DE2000110520 patent/DE10010520C2/en not_active Expired - Lifetime
2000-03-07 DE DE10066073A patent/DE10066073C2/en not_active Expired - Lifetime
Derwent Abstract Nr. 95-400021/51 zu Jp *
Patent Abstracts of Japan Vol.95, No.10 zu Jp *
DE10066071C2 (en) 2002-11-28
DE10010520A1 (en) 2001-09-20
DE10066073A1 (en) 2002-08-22
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US7021994B2 (en) 2006-04-04 Method and apparatus for metalworking using a coolant fluid
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Owner name: ILLINOIS TOOL WORKS INC., GLENVIEW, US
Free format text: FORMER OWNER: TAMM, ROLF, 88682 SALEM, DE
2016-10-20 R082 Change of representative
2020-03-07 R071 Expiry of right