EP0358059A1 - Dispositif d'affilage - Google Patents

Dispositif d'affilage Download PDF

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Publication number
EP0358059A1
EP0358059A1 EP89115671A EP89115671A EP0358059A1 EP 0358059 A1 EP0358059 A1 EP 0358059A1 EP 89115671 A EP89115671 A EP 89115671A EP 89115671 A EP89115671 A EP 89115671A EP 0358059 A1 EP0358059 A1 EP 0358059A1
Authority
EP
European Patent Office
Prior art keywords
joint
carrier
axis
stones
guide
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
Application number
EP89115671A
Other languages
German (de)
English (en)
Other versions
EP0358059B1 (fr
Inventor
Heinrich Englert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Michael Weinig AG
Original Assignee
Michael Weinig AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE8810858U external-priority patent/DE8810858U1/de
Application filed by Michael Weinig AG filed Critical Michael Weinig AG
Priority to AT89115671T priority Critical patent/ATE91940T1/de
Publication of EP0358059A1 publication Critical patent/EP0358059A1/fr
Application granted granted Critical
Publication of EP0358059B1 publication Critical patent/EP0358059B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/363—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of blades mounted on a turning drum

Definitions

  • the invention relates to a join device according to the preamble of claim 1.
  • Such join devices are used to machine the tools of a tool holder, in particular the knives of a cutter head, in such a way that all cutting edges of the cutters of the cutter head have an absolutely uniform flight circle.
  • the straight joint stone is fed to join, ie to remove the knives from the cutter head, down to their flight circle. When the knife head rotates, the cutting edges of the knives are then removed (jointed).
  • the straight jointer can be adjusted parallel to the axis of the tool carrier.
  • the knives do not always have straight cutting edges, but can also be designed as profile knives, the cutting edges of which have a shape corresponding to the profile to be produced. In order to join such knives, separate profile joint stones must be used.
  • the invention has for its object to design the generic join device so that not only a straight joint process, but also a profile joint process can be carried out with it, the join device should have a simple and above all compact structure.
  • the join device In the join device according to the invention, either straight joint stones or profile joint stones are used, with which not only a straight joint process, but also a profile joint process can be carried out.
  • the profile joint stone is fed in at the feed speed down to the profile base of the tool.
  • the tool is pulled off to the desired extent, i.e. H. jointed.
  • the join device according to the invention is preferably used in woodworking machines, in particular in moulders.
  • the join device has a base body 1 which, according to the axial section.
  • Fig. 1 has a U-shape.
  • a vibrating body 4 is pivotally mounted.
  • axes of rotation 7 and 8 are provided, with which the oscillating body 4 is pivotably mounted near the free ends of the legs 2, 3 of the base body 1.
  • the axis of rotation 8 passes through the leg 3 of the base body 1 and carries an adjusting device 9 on its free end in a rotationally fixed manner.
  • the transverse web 10 of the oscillating body 4 is provided with a displacement guide 11, preferably with a dovetail (FIG. 2), along which a carrier 12 is movable for joint stones 13. As shown in FIG.
  • the joint stones 13 rest on a support 14 and are held by a retaining bar 15 which is fastened with threaded bolts 16.
  • the pad 14 is part of a bracket 18, the is held on the carrier 12.
  • the threaded bolts 16 for fastening the retaining bar 15 are screwed into the holder 18. It is clamped with clamping screws 19 in a dovetail groove 20 of the carrier 12.
  • the clamping screws 19 are held in a strip-shaped projection 21 of the carrier 12.
  • the carrier 12 with the joint stones 13 can be displaced along the displacement guide 11 by means of a drive 23.
  • a piston-cylinder unit is provided as the drive, the free end of the cylinder 24 of which is attached to a projection 26 of the carrier 12 on the base body and the piston rod 25 which runs parallel to the displacement guide 11.
  • the carrier 12 is shown in its right end position, in which the piston rod 25 is retracted.
  • the carrier 12 with the joint stones 13 can be displaced along the displacement guide 11.
  • Such an axial movement is carried out when a straight joint process is carried out with the joint stones 13.
  • the joint stones 13 are moved past the knife edges to be removed.
  • the joint stones 13 can be exchanged very easily or can be exchanged for other joint stones.
  • FIG. 2 shows the pivoted-back end position of the oscillating body 4, in which the joint stones 13 are at the greatest distance from the cutter head 17.
  • the oscillating body 4 is pivoted with this drive in the pivoting direction 27 against the cutter head 17 at a feed rate up to the profile base of the cutter.
  • the respective knife edges are subtracted to the desired extent.
  • the join device is automatically adjusted so that the knives are again pulled off exactly in a subsequent joint process.
  • the adjustment device 9 is provided, which will be explained in more detail with reference to FIGS. 3 and 4.
  • the adjusting device 9 has a block-shaped body 29 in which the components required for the adjustment are accommodated in a protected manner.
  • a spindle 30 is rotatably mounted in the body 29, which projects out of the body 29 on the side facing away from the cutter head 17 and carries a handle 31, preferably a knurled disk. With it, the spindle 30 can be turned by hand.
  • a ratchet wheel 32 is seated on the spindle 30 within the body 29 and can cooperate with a pawl 33 pivotably mounted in the body 29.
  • the spindle 30 with the ratchet wheel 32 is axially secured by a locking plate 34 which is releasably attached to the body 29.
  • a latching device 35 is accommodated in the body 29. It has a locking body 36 which engages with the ratchet wheel 32 under spring force and is mounted in a cup-shaped receptacle 37.
  • the receptacle 37 protrudes from the body 29 and is preferably screwed into it so that it can be easily replaced in the event of damage or wear.
  • the pawl 33 is mounted on a pressure member 39 which is displaceable transversely to the axis 38 of the spindle 30 and the ratchet wheel 32 and which projects with an actuating member 40 from the body 29.
  • the pressure member 39 is slidably mounted in an opening 41 of the body against the force of a compression spring 42.
  • the compression spring 42 is supported at one end on a collar 43 of the pressure member 39 and at the other end on a shoulder 44 of the wall of the opening 41. With the collar 43, the pressure member 39 is guided in an enlarged diameter region 45 of the opening 41.
  • the compression spring 42 surrounds a shaft 46 of the pressure member 39, which is guided in a region 47 of the opening 41 which adjoins the shoulder 44 and has a reduced diameter.
  • Two straps 49 protrude from the shaft 46 in the direction of a receiving space 48 in the body 29 which has the ratchet wheel 32 and between which the pawl 33 is pivotably mounted.
  • a locking pin 50 which is accommodated in a transverse bore 51 in the body 29 opening above the shoulder 44 into the narrower region 47 of the opening 41, serves to secure the pressure member 39 against rotation.
  • the shaft 46 of the pressure member 39 has an axially extending groove 52, in which the locking pin 50 engages. In the lower end position shown in FIG. 4, the locking pin 50 bears against the end 53 of the groove 52 facing the pawl 33 under the force of the compression spring 42.
  • the pawl 33 is pressed by the force of a spring 54 with a stop surface 55 against a counter stop surface 56. Both surfaces 55, 56 preferably have generatrixes running perpendicular to the axis of the shaft 46. In this stop position, the pawl 33 is at a distance from the ratchet wheel 32.
  • the spring 54 is preferably one Leaf spring which is attached to a wall of the receiving space 48 of the body 29.
  • the pawl 33 is in the stop position acc. Fig. 4 at a distance from a stop 57, which is preferably formed by a threaded bolt. It protrudes into the receiving space 48 and is screwed into a threaded bore 58 of the body 29. On the end of the stop 57 protruding from the body 29 there is a nut 59 with which the stop 57 is secured in the respective position. With the stop 57 designed as a threaded bolt, the distance to the pawl 33 can be adjusted continuously.
  • the axes of the stop 57 and the pressure element 39 are parallel to one another and perpendicular to the axis 38 of the spindle 30.
  • the pivot axis 60 of the pawl 33 lies on the plane E containing the axis of the pressure element 39 and parallel to the axis 38 of the spindle 30.
  • the pawl 33 is pushed in the direction of the stop 57. Since the pawl 33 is always loaded in the direction of the ratchet wheel 32 by the spring 54, it is pivoted into engagement with the ratchet wheel 32 when the pressure member is moved as soon as its stop surface 54 is released from the counter stop surface 56. This is the case before the pawl 33 comes to rest against the stop 57. The still available displacement path of the pressure member 39 or the pawl 33 is sufficient to rotate the ratchet wheel 32 and thus the spindle 30. The locking body 36 ratchets over the teeth of the ratchet wheel 32.
  • the rotational movement of the spindle 33 is ended as soon as the pawl 33 comes to rest against the stop 57.
  • the rotation of the ratchet wheel 32 can be set very easily.
  • the pressure member 39 is released, it is returned to its starting position under the force of the compression spring 42. Fig. 4 pushed back.
  • the pawl 33 is disengaged from the ratchet wheel 32 and reaches the stop position according to FIG. Fig. 4, in which it rests with its stop surface 55 under the force of the spring 54 on the counter stop surface 56.
  • the locking device 35 prevents the ratchet wheel 32 from unintentionally turning back after the release by the pawl 33.
  • a firing pin 61 (FIG. 3) is axially displaced, which protrudes from the body 29 in the direction of the cutter head 17.
  • the firing pin 61 has an internal thread 62 in which the spindle 30 engages.
  • the firing pin 61 is secured against rotation within the receptacle 63 of the body 29. As a result, the firing pin 61 is not rotatably carried along when the spindle 30 is rotated, but is only adjusted axially.
  • the oscillating body 4 comes to rest against a counter-stop (not shown) when it is pivoted against the cutter head 17 for profile joining.
  • the oscillating body 4 is pivoted about the axes 7, 8 in the direction of the cutter head 17 by means of the drive (not shown). After the jointing process, the vibrating body 4 is pivoted back into its starting position. In the starting position, the actuator 40 of the pressure member 39 comes on another (not shown) stop to the system. This stop is arranged so that the pressure member 39 is displaced against the force of the compression spring 42 when pivoting back. The pawl 33 engages and rotates the ratchet wheel 32 in the manner described. As a result, the firing pin 61 is turned back in the manner described.
  • the stop 57 is set so that the ratchet wheel 32 and thus the spindle 30 are rotated so far that the firing pin 61 is retracted so far that when the swivel body 4 is pivoted again, the joint stones 13 return to their exact working position with respect to the knife of the Take knife head 17. Since the joint stones 13 and also the knives are worn out by the jointing process, the degree of wear is automatically compensated for by the readjustment of the swivel body 4 by readjusting the firing pin 61. Since it is withdrawn during the readjustment process in accordance with the degree of wear, the vibrating body 4 must travel a slightly larger swivel path in accordance with the degree of wear in order to bring the joint stones 13 into their working position.
  • the oscillating body 4 is arranged behind a cover 64 (FIG. 2).
  • the cover 64 is preferably formed by a sheet metal plate which is pivotably mounted on the base body 1 about an axis 65.
  • the pivot axis 65 is located on the upper edge of the plate-shaped cover 64, the lower edge 66 of which is angled at an acute angle. If the vibrating body 4 with the joint stones 13 is in its starting position, it is protected behind the cover 64, the angled edge 66 of which covers a passage opening 67 in the base body 1. As a result, no dirt can get to the oscillating body 4, in particular to its joint stones 13.
  • the base body 1 itself is at least against the cutter head 17 closed by a wall 68 in which the passage opening 67 is located.
  • the wall 68 is curved to adapt to the flight circle of the cutter head 17 (FIG. 2).
  • the cover 64 is automatically pivoted into a position that opens the passage opening 67 for the joint stones 13.
  • the cover 64 is provided with a side wall 69 which has a control track 70 for a driver 71 provided on the oscillating body 4. In the closed position of the cover 64, it bears against a shoulder-shaped section of the control track 70 (FIG. 2). If the vibrating body 4 from the initial position. Fig.
  • the cover 64 is pivoted upwards by the driver 71 in Fig. 2 so far that the edge 66 of the cover clears the passage opening 67 so that the joint stones 13 can pass through the passage opening .
  • the control track 70 is designed in such a way that in any case the cover edge 66 is pivoted away before the joint stones 13 emerge through the passage opening 67. A collision between the edge 66 and the joint stones 13 is thereby ruled out. If the vibrating body 4 is pivoted back into its starting position after the jointing process, the cover 64 automatically pivots about the axis 65 under its own weight into the covering position according to FIG. Fig. 2 back.
  • At least one spring can also be provided, which loads the cover 64 in the direction of its closed position, so that it is reliably pivoted back into the closed position.
  • the join device is designed such that the joint process can be carried out even while working with the cutter head 17.
  • the operator on the woodworking machine on which the join device is arranged only has to switch on the drive for the vibrating body 4, as a result of which the vibrating body pivoted in the direction of arrow 27 in the manner described and the jointing process is carried out. If only a straight joint is carried out, then the oscillating body 4 is displaced axially parallel to the cutter head 17 by means of the drive 23 after the oscillating body has been pivoted. Since the vibrating body has several joint stones 13, it is possible to work with a relatively small stroke.
  • the oscillating body and thus the entire join device can be made very compact.
  • the oscillating body 4 is only pivoted in the direction of arrow 27 at the feed rate up to the profile base of the knife.
  • the handle 31 Fig. 3
  • the spindle 30 and thus the firing pin 61 can be roughly adjusted.
  • the fine adjustment of the firing pin 61 is then carried out with the ratchet wheel mechanism 32, 33.
EP89115671A 1988-08-27 1989-08-25 Dispositif d'affilage Expired - Lifetime EP0358059B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89115671T ATE91940T1 (de) 1988-08-27 1989-08-25 Jointeinrichtung.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE8810858U DE8810858U1 (fr) 1988-08-27 1988-08-27
DE8810858U 1988-08-27
DE3927230 1989-08-18
DE3927230A DE3927230A1 (de) 1988-08-27 1989-08-18 Jointeinrichtung

Publications (2)

Publication Number Publication Date
EP0358059A1 true EP0358059A1 (fr) 1990-03-14
EP0358059B1 EP0358059B1 (fr) 1993-07-28

Family

ID=25884118

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89115671A Expired - Lifetime EP0358059B1 (fr) 1988-08-27 1989-08-25 Dispositif d'affilage

Country Status (2)

Country Link
EP (1) EP0358059B1 (fr)
DE (2) DE3927230A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1231021A2 (fr) * 2001-02-09 2002-08-14 Michael Weinig Aktiengesellschaft Procédé d'affilage du tranchant d'au moins une lame d'un outil rotatif

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107020561B (zh) * 2017-06-13 2019-01-18 盐城市海通机械制造厂 一种石材打磨设备

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1552001A (en) * 1924-02-14 1925-09-01 Woods Machine Co Sa Cutter-grinding device
CH148563A (de) * 1930-04-25 1931-07-31 Leya A G Maschbau Verfahren und Vorrichtung zum Abziehen der Messer in Messerwellen an Holzbearbeitungsmaschinen.
US1874331A (en) * 1931-05-06 1932-08-30 Fay J A & Egan Co Knife grinder support for woodworking machines
US2864210A (en) * 1956-05-14 1958-12-16 Herman C Mann Device for sharpening and jointing knives on a jointer, shaper and the like
US3331167A (en) * 1965-03-08 1967-07-18 Int Harvester Co Knife sharpening device
US3751855A (en) * 1971-03-03 1973-08-14 G Pinat Knife grinder
US4512114A (en) * 1982-09-27 1985-04-23 Superior Machinery Inc. Method for high tooth equalization of cutters
DE8810858U1 (fr) * 1988-08-27 1988-10-20 Michael Weinig Ag, 6972 Tauberbischofsheim, De

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1552001A (en) * 1924-02-14 1925-09-01 Woods Machine Co Sa Cutter-grinding device
CH148563A (de) * 1930-04-25 1931-07-31 Leya A G Maschbau Verfahren und Vorrichtung zum Abziehen der Messer in Messerwellen an Holzbearbeitungsmaschinen.
US1874331A (en) * 1931-05-06 1932-08-30 Fay J A & Egan Co Knife grinder support for woodworking machines
US2864210A (en) * 1956-05-14 1958-12-16 Herman C Mann Device for sharpening and jointing knives on a jointer, shaper and the like
US3331167A (en) * 1965-03-08 1967-07-18 Int Harvester Co Knife sharpening device
US3751855A (en) * 1971-03-03 1973-08-14 G Pinat Knife grinder
US4512114A (en) * 1982-09-27 1985-04-23 Superior Machinery Inc. Method for high tooth equalization of cutters
DE8810858U1 (fr) * 1988-08-27 1988-10-20 Michael Weinig Ag, 6972 Tauberbischofsheim, De

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1231021A2 (fr) * 2001-02-09 2002-08-14 Michael Weinig Aktiengesellschaft Procédé d'affilage du tranchant d'au moins une lame d'un outil rotatif
EP1231021A3 (fr) * 2001-02-09 2004-01-21 Michael Weinig Aktiengesellschaft Procédé d'affilage du tranchant d'au moins une lame d'un outil rotatif

Also Published As

Publication number Publication date
DE3927230A1 (de) 1990-03-01
EP0358059B1 (fr) 1993-07-28
DE58905026D1 (de) 1993-09-02

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