초록 ▼

In order to improve a device (100) for a drilling machine (10) known per se for manual drilling with a casing (11), a grip (12), a tool chuck (13) and a tool (14), especially a drilling, reaming or counterboring tool, in such a way that manual drilling can be carried out with optimum conditions, it

In order to improve a device (100) for a drilling machine (10) known per se for manual drilling with a casing (11), a grip (12), a tool chuck (13) and a tool (14), especially a drilling, reaming or counterboring tool, in such a way that manual drilling can be carried out with optimum conditions, it is proposed that the device comprises a workpiece jigging device (15) with at least one contact face and a guide device (21) for the parallel guidance of the tool (14) and/or of the casing (11) when there is a displacement of the workpiece jigging device (15) relative to the casing (11), said displacement being coaxial with a machine axis and/or tool axis, and a suction-type extraction device (18) for conveying away and sucking away material chips, dusts and impurities from the area of the workpiece jigging device (15), or more precisely the machining point and a control device (27) for the control of the feed motion between the workpiece jigging device (15) and the casing (11), said control being active at least in sections along the path.

대표청구항 ▼

The invention claimed is: 1. A device (100) for a manual drilling machine (10) having a casing (11), a grip (12), a tool chuck (13) and a drilling, reaming or counterboring tool (14), characterized in that the device (100) comprises: a workpiece jigging device (15) with at least one contact surface

The invention claimed is: 1. A device (100) for a manual drilling machine (10) having a casing (11), a grip (12), a tool chuck (13) and a drilling, reaming or counterboring tool (14), characterized in that the device (100) comprises: a workpiece jigging device (15) with at least one contact surface and a guide device (21) for the parallel guidance of the tool (14) and of the casing (11) when there is a displacement of the workpiece jigging device (15) relative to the casing (11), said displacement being coaxial with a machine axis and/or tool axis, and a suction-type extraction device (18) for conveying away and sucking away material chips, dusts and impurities from the area of the workpiece jigging device (15), and a control device (27) for the control of the displacement of the workpiece jigging device (15) relative to the casing (11), said control device (27) being active at least in sections along the displacement path, wherein the control device (27) provides a variable restraining force along the displacement path dependent upon a rate of displacement and an amount of displacement. 2. The device according to claim 1, characterized in that the device has an integrated depth stop at an end point of the damping device or a spring device. 3. The device according to claim 2, characterized in that the depth stop is essentially formed by the workpiece jigging device (15), the guide device (21) and the control device (27). 4. The device according to claim 1, characterized in that the device slidingly engages the drilling machine (10) or is integrated into the drilling machine (10) along the casing. 5. The device according to claim 1, characterised in that the device (100) is rigidly connected with the drilling machine (10), which can be a pistol drilling machine electrically operated or compressed-air operated or an angle drilling machine electrically operated or compressed-air operated or a rod drilling machine electrically operated or compressed-air operated. 6. The device according to claim 1, characterised in that the device (100) further comprises a semi-cylindrical fixing piece (23) clamped behind a drill chuck or on a shaft of a drilling machine (10). 7. The device according to claim 1, characterised in that the device (100) mounts to the casing behind a drill chuck of the machine via a pair of corresponding hollow cylinders formed in the device (100) and the casing, into which a screw (37) engages radially. 8. The device according to claim 1, characterised in that the casing, a fixing piece, and a fixing counter-piece are conical to prevent axial slipping or twisting. 9. The device according to claim 8, characterised in that device (100) is secured against axial slipping or twisting by engaging the screws (37) radially in the casing and the fixing piece. 10. The device according to claim 1, characterised in that the guide device (21) is formed by one or more of linear guides (24) arranged radially off-centre parallel to the machine axis and/or tool axis, said linear guides being mounted in one or more guide bushes (26). 11. The device according to claim 10, characterised in that the profile of the linear guide (24) or the linear guides is designed as a full-round cross-section, hollow-cylindrical cross-section, triangular cross-section, trapezium cross-section, rectangular cross-section, square cross-section, or as a linear guide not completely enclosed. 12. The device according to claim 10, characterised in that a peripheral area around the drilling machine (10) is used at least partially as a displacement path of the linear guides (24). 13. The device according to claim 10, characterised in that the linear guide/s is/are rotatable through at least 180�� about the tool axis. 14. The device according to claim 10, characterised in that a spring device is formed by one or more springs, whereby each spring is arranged radially off-centre and parallel to the machine axis or the tool axis on the device. 15. The device according to claim 10, characterised in that an axial guide of the tools (14) is formed by two or more hollow cylinders displaceable within one another and arranged coaxial with the machine axis and/or tool axis. 16. The device according to claim 10, characterised in that one or more compression springs are arranged around or parallel to the linear guide/s (24). 17. The device according to claim 3, characterised in that the depth stop is rubber-cushioned. 18. The device according to claim 1, characterised in that the suction-type extraction can be carried out via a suction pipe (19) leading away laterally from the machine axis and/or tool axis and fitted close to an action point. 19. The device according to claim 18, characterised in that the suction-type extraction can be carried out via the suction pipe (19) lying radially off-centre parallel to or coaxial with the machine axis and/or tool axis and fitted close to the action point. 20. The device according to claim 18, characterised in that the suction pipe (19) is rotatable about the machine axis and/or tool axis and can be used as a grip. 21. The device according to claim 20, characterised in that the suction pipe functions as a separate second grip, which also performs the feed motion of the tool (14) via the workpiece jigging device. 22. The device according to claim 21, characterised in that the separate second grip does not perform the feed motion of the tool (14) via the workpiece jigging device. 23. The device according to claim 18, characterised in that a small air flow and an associated optimum suction-type extraction is guaranteed by a perforated plate/baffle plate fitted in the extraction area. 24. The device according to claim 1, characterised in that a vertical position or a predeterminable angle to the workpiece surface is guaranteed by means of at least two or more contact feet fitted at the end of the device (100). 25. The device according to claim 24, characterised in that the diameter of a contact area can be varied by means of laterally extendable contact feet. 26. The device according to claim 25, characterised in that the height of the individual contact feet can be varied in order to enable a vertical position or a predeterminable angle on uneven surfaces. 27. The device according to claim 1, characterised in that there is formed in the workpiece jigging device (15) at least one opening (17), through which a view of the action point of the tool (14) is provided, said opening being closed by a viewing window of glass or transparent plastic. 28. The device according to claim 1, characterised in that the damper device is one or more hydraulic or pneumatic dampers, one or more rubber dampers, or a combination device of damper(s) and spring(s). 29. The device according to claim 1, characterised in that the damping device is designed as a feed damper operated by mechanical friction of two friction partners, which are arranged radially off-centre parallel to the machine axis and/or tool axis. 30. The device according to claim 3, characterised in that the depth stop is arranged radially off-centre parallel to the machine axis and/or tool axis, whereby the end point of the impact damper (28) is used as the depth stop. 31. The device according to claim 1, characterised in that friction locking the tool chuck (13) takes place via a three-jaw chuck fitted on the drilling machine (10) or spring-chuck holder. 32. The device according to claim 1, characterised in that a drill bush, adapted in each case to the drilling or reaming tool diameter used, is provided in the extraction space coaxial with the machine axis and/or tool axis. 33. The device according to claim 32, characterised in that holes are provided in the drill bush for the feeding of liquid lubricant to the tool (14), whereby the lubricant feed takes place through tubes fitted laterally or radially off-centre parallel to the machine axis and/or tool axis. 34. The device according to claim 33, characterised in that the lubricant can be fed to the tool (14) via a tube, which projects into an internal space of the workpiece jigging device. 35. The device according to claim 33, characterised in that the lubricant feed is triggered by a lubrication impulse, whereby the impulse is given by an approximation or limit switch fitted on the linear guide (24) or is triggered manually. 36. The device according to claim 1, characterised in that the components subjected to a comparatively small load are manufactured from materials of low-density and the components subjected to a comparatively higher load are manufactured from high-strength materials. 37. The device according to claim 36, characterised in that the rotating and mobile parts of the drilling machine or of the device are protected against undesired contact by means of a protective casing and/or by bellows. 38. The device according to claim 1, characterised in that the suction-type extraction is formed by two or more hollow cylinders displaceable within one another and fitted close to the action point, said hollow cylinders being arranged coaxial with the tool axis, whereby a pipe fitted laterally or radially off-centre in parallel forms the further extraction of the chips/dust.