WO2004058462A1 - Device for machining inside corners - Google Patents
Device for machining inside corners Download PDFInfo
- Publication number
- WO2004058462A1 WO2004058462A1 PCT/DE2003/003995 DE0303995W WO2004058462A1 WO 2004058462 A1 WO2004058462 A1 WO 2004058462A1 DE 0303995 W DE0303995 W DE 0303995W WO 2004058462 A1 WO2004058462 A1 WO 2004058462A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piston
- piston rod
- cutting edge
- workpiece
- drive
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F5/00—Slotted or mortised work
- B27F5/02—Slotting or mortising machines tools therefor
- B27F5/12—Slotting or mortising machines tools therefor for making holes designed for taking up fittings, e.g. in frames of doors, windows, furniture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F5/00—Slotted or mortised work
- B27F5/02—Slotting or mortising machines tools therefor
- B27F5/10—Slotting or mortising machines tools therefor equipped with chisel cutters, e.g. hollow chisel cutters equipped with drills
Definitions
- the invention relates to a device for the machining of internal corners of recesses in a workpiece.
- fittings are often introduced into recesses in a workpiece, for example a mortise lock on a door, the counterpart of which in the door frame regularly has recesses for latches and bolts.
- Such recesses in workpieces made of wood, plastic or comparable materials of low hardness are mostly milled.
- the recess has to be milled out larger, so that the fitting is no longer fit or the inner corners have to be reworked by hand, for example cut out by hand with a chisel.
- the object of the invention is to provide a device for the machining of internal corners of recesses in a workpiece, with which a rapid machining of a workpiece is possible it is possible that a rounded inside corner of a milled recess is straightened.
- a rotary mechanism that can be rotated about its longitudinal axis is used to drive a cutting edge lying in a plane transverse to the direction of impact into the workpiece ,
- the device When placed in front of the workpiece to be machined, the device permits machining by driving the cutting edge into the workpiece by means of a striking mechanism, which can be used to straighten at least one first edge of a rounded inner corner. After turning the striking mechanism by 90 °, the straightening follows the second edge, after which a right angle between the edges is then created.
- a striking mechanism which can be used to straighten at least one first edge of a rounded inner corner. After turning the striking mechanism by 90 °, the straightening follows the second edge, after which a right angle between the edges is then created.
- the cutting edge has two cutting edges that span a right angle. A quarter-circle rounding of an inner corner can then be straightened to a right angle in one operation. After turning the device 90 ° around the
- An opposite inner corner can be machined along the longitudinal axis of the striking mechanism after the device has been repositioned in front of the workpiece.
- the striking mechanism can be operated by an electric motor, but preferably it has a pneumatic drive with which a high number of strikes can be achieved in a comparatively simple manner.
- the pneumatic drive has a double-acting piston. According to the specified stroke, preferably between 30 mm and 50 mm, in particular around 40 mm, the driving in and the withdrawal of the cutting edge take place exactly.
- the piston has a radially centrally arranged first piston rod, which is designed at its free end as a carrier of a chisel having the cutting edge.
- first piston rod which is designed at its free end as a carrier of a chisel having the cutting edge.
- the cutting edge which is preferably arranged largely radially in the center, is also driven in line with the forward movement of the piston or the first piston rod, so that disruptive tilting and / or torques do not even occur.
- the piston has a radially centrally arranged second piston rod which is axially displaceably and radially non-rotatably supported at its end opposite the piston.
- Piston rod designed radially and rotatably mounted, it is still held non-rotatably when driving in the cutting edge of the chisel, but axially displaceable. A turning of the piston with the connected piston rods is only after the second one has to be released separately
- the second piston rod has at its end opposite the piston a locking device in the manner of a pitch circle disc, in the radially outwardly open recesses of which a pawl engages.
- Cutting edge rotatable, the pitch circle of the recesses determining the angle of rotation, usually 90 °.
- Locking device is axially displaceable. As a result of this measure, the axial movement of the two piston rods and the piston when the cutting edge is driven in is decoupled from the locking device itself and is not taken along.
- the pawl is actuated pneumatically.
- the second piston rod and / or the locking device is connected to the output shaft of a swivel drive.
- This expediently has a freewheel and a brake, so that the entry into a new position takes place without great mechanical stress on the drive train.
- a modular structure of the device according to the invention it has proven to be expedient to design the rotary drive with freewheel and brake as a module and to allow the connection for the rotary movement to take place via a coupling.
- Another module can be formed by a housing receiving the striking mechanism, which offers itself as the third module in the form of the locking device with storage.
- the device according to the invention is expediently constructed on a common plate which can be moved parallel to the axes of the piston rods.
- the device can thus move in the direction of impact and exactly in front of the top of one
- the base plate itself is expediently further connected to a machine tool, as a result of which, in particular, the device according to the invention can also be moved in a plane perpendicular to the direction of impact and can be positioned over a workpiece if this cannot alternatively be done by the base plate itself.
- a chisel with two cutting edges standing at right angles to one another can also be moved on the bisector of an inner corner, as a result of which any remaining rounding is safely removed by breaking off.
- a measuring sensor that is effective parallel to the axes of the piston rods is provided, so that the distance between the cutting edge and the surface of a workpiece can be reliably detected.
- the measuring sensor can also be moved parallel to the axes of the piston rod.
- Locking device, the swivel drive and a measuring device with the sensor as individual modules are each formed, which is accompanied by a quick replacement of the individual modules.
- Fig. 4 a recess in a workpiece with rounded inner edges.
- FIG. 1 shows a device consisting of individual modules according to the invention, built up on a common base plate 1.
- a first module 2 receives a striking mechanism 3, which can be rotated about its longitudinal axis 4.
- the striking mechanism 3 has a pneumatically operated, double-acting cylinder, the piston 5 of which is alternately pressurized via connections 6, 7.
- the piston 5 executes a linear movement in FIG. 1 to the right when the piston chamber connected to the connection 6 is pressurized.
- the piston chamber connected to the connection 7 is pressurized, causing the piston chamber to return to the position shown in FIG. 1. Relieve the pressure on the piston chamber opposite the piston.
- Usual sealing measures for sealing the piston 5 can be taken, indicated only by circumferential grooves for, for example, oil seals or the like.
- a first piston rod 8 is connected radially in the center to the piston 5 and is designed as a carrier of a chisel 10 at its free end led out of the housing 9.
- the chisel 10 In a plane transverse to the direction of impact along the axis 4, the chisel 10 has two cutting edges 11, 12 which form a cutting edge and which form a right angle with one another.
- a rounded inner corner 13 of a recess 14 in a workpiece 15 can be machined in one operation until it spans a right angle, see FIG. 4.
- the chisel 10 is partially received over its axial length within the first piston rod 8, the two cutting edges 11, 12 forming a cutting edge also being arranged as centrally as possible, so that when they strike the Surface 16 of the workpiece 15 hardly any tilting or torques occur. Rather, the bit-like chisel 10 is driven vertically into the workpiece 15.
- the piston 5 has a second radially centrally arranged second piston rod 17, which is likewise led out of the housing 9.
- the piston 5 with connected first and second piston rods 8, 17 is axially within the housing 9
- a rotation about the axis 4 is prevented during a striking process by a bearing 18, in which the flattened end 21 of the second piston rod 17 is axially displaceable, but radially non-rotatably, between two rollers 19, 20.
- the bearing 18 is part of a locking device 22, by means of which a rotary movement of the piston 5 with the first and second piston rods 8, 17 and bearing 18 can be locked or released.
- the bearing 18 is firmly connected to a pitch circle disk 23, which is four for machining a rectangular recess 14 with a chisel 10 with two cutting edges 11, 12 standing at right angles to one another
- a pawl 26 engages in the upper recess 25 here, so that the piston 5 rotates with the connected ones Piston rods 8.17 is excluded by the locking device.
- the locking device 22 with bearing 18 is rotatably held in an axially fixed bearing block 29 and axially fixed.
- the base plate 1 also carries a swivel drive 30 with a freewheel 31 and a brake 32.
- the freewheel 31 and the brake 32 ensure that even a hard engagement of the pawl 26 in one of the recesses 25, 25 of the pitch disk 23 has no mechanical effects has the drive train of the swivel drive 30.
- connection from an output shaft of the leg drive 30 to the locking device 22 is closed by a coupling 33.
- the base plate 1 which carries all the components, can be moved linearly and parallel to the axis 4 by means of a drive 37 via a slide 34, 35 on a slide rail 36.
- the device according to the invention is easy to position a workpiece 15 in front of the surface 16.
- a base 38 carrying the drive 37 and the slide rail 36 can be connected to a machine tool, for example to a robot arm, to a cross table or The like more, which allows the device according to the invention to be positioned in planes that are perpendicular to the axis 4.
- residues 39 remaining can be broken out by moving the bisector 40 with the chisel 10.
- a measuring device 41 can also be arranged, which, with a measuring guide 42 acting parallel to the axis 4, which can also be moved by means of a drive 43 parallel to the axes 4 of the piston rods 8, 17, the distance to the surface 16 of the Determine workpiece 15 exactly and accordingly the device according to the invention can also be positioned in front of surface 16.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10394157T DE10394157D2 (en) | 2002-12-20 | 2003-12-04 | Device for processing inside corners |
AU2003293271A AU2003293271A1 (en) | 2002-12-20 | 2003-12-04 | Device for machining inside corners |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10261205.6 | 2002-12-20 | ||
DE2002161205 DE10261205A1 (en) | 2002-12-20 | 2002-12-20 | Device for processing inside corners |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004058462A1 true WO2004058462A1 (en) | 2004-07-15 |
Family
ID=32404325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2003/003995 WO2004058462A1 (en) | 2002-12-20 | 2003-12-04 | Device for machining inside corners |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2003293271A1 (en) |
DE (2) | DE10261205A1 (en) |
WO (1) | WO2004058462A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114407147B (en) * | 2022-02-22 | 2022-10-14 | 江苏金迪木业股份有限公司 | Slotting device for door plate machining |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US703160A (en) * | 1901-12-05 | 1902-06-24 | Henry Stockman | Leather-cutting machine. |
US2844175A (en) * | 1955-10-13 | 1958-07-22 | Warren B Zern | Corner cutting tool with gauge |
GB881044A (en) * | 1958-01-20 | 1961-11-01 | Kurt Reich | Nailing apparatus |
GB2343402A (en) * | 1999-02-18 | 2000-05-10 | Armeg Ltd | Square hole cutter |
-
2002
- 2002-12-20 DE DE2002161205 patent/DE10261205A1/en not_active Withdrawn
-
2003
- 2003-12-04 WO PCT/DE2003/003995 patent/WO2004058462A1/en not_active Application Discontinuation
- 2003-12-04 DE DE10394157T patent/DE10394157D2/en not_active Expired - Fee Related
- 2003-12-04 AU AU2003293271A patent/AU2003293271A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US703160A (en) * | 1901-12-05 | 1902-06-24 | Henry Stockman | Leather-cutting machine. |
US2844175A (en) * | 1955-10-13 | 1958-07-22 | Warren B Zern | Corner cutting tool with gauge |
GB881044A (en) * | 1958-01-20 | 1961-11-01 | Kurt Reich | Nailing apparatus |
GB2343402A (en) * | 1999-02-18 | 2000-05-10 | Armeg Ltd | Square hole cutter |
Also Published As
Publication number | Publication date |
---|---|
AU2003293271A1 (en) | 2004-07-22 |
DE10261205A1 (en) | 2004-07-01 |
DE10394157D2 (en) | 2005-11-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3516542C2 (en) | ||
EP0178640B1 (en) | Punching machine and method of application of this punching machine | |
EP0229668B1 (en) | Cutting machine for work pieces in the shape of a plate | |
EP0316703A2 (en) | Method and apparatus for bending work pieces | |
WO2019175024A1 (en) | Gripping and positioning assembly for transporting a holding device between different positions | |
EP3530348A2 (en) | Mixing machine | |
DE3111569A1 (en) | TOOL REVOLVER HEAD | |
DE3838198C2 (en) | ||
WO2004058462A1 (en) | Device for machining inside corners | |
DE2809152C3 (en) | Drilling and milling device for making slots | |
DE3013957C2 (en) | Die exchange device | |
DE10139255C1 (en) | Workpiece changing device for machining tool uses pulse motor for providing drive pulses initiating free rotation of work table provided with diametrically opposing workpiece holders | |
DE19521368B4 (en) | Device for detecting measured variables | |
DE102008058747A1 (en) | Processing head for machinery to process wooden part, has processing group installed so that group rotates around rotational axis with center of rotation, and actuation device moving blade around axis in two different operating conditions | |
DE2358606A1 (en) | Connector for corners of window- and door frames - has press tool on shanks of corner angles moving against each other | |
AT524952B1 (en) | Chain milling device for milling a pocket-shaped recess in a furniture panel to accommodate a furniture fitting | |
DE3625535C2 (en) | Eccentric disc grinder | |
DE2516454A1 (en) | PRESSURE-ACTUATED PRESS FOR CHIPLESS FORMING | |
EP0659501B1 (en) | Forging machine | |
EP3209448B1 (en) | Machine with a device for positioning a thread in a workpiece | |
EP0026919A2 (en) | Workbench with machine cradles | |
DE2951587C2 (en) | ||
WO2005021197A1 (en) | Mortising device for creating mortises or similar, mounted on machine tools comprising a rotary drive, in particular cnc rotary machines | |
DE6602838U (en) | Processing machine for frame-shaped workpieces | |
DE2702853A1 (en) | FLUID-POWERED SLOTING MILL |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
REF | Corresponds to |
Ref document number: 10394157 Country of ref document: DE Date of ref document: 20051103 Kind code of ref document: P |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10394157 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: JP |