FI130847B1 - Bottom tool of a press brake and a press brake - Google Patents

Bottom tool of a press brake and a press brake

Info

Publication number
FI130847B1
FI130847B1 FI20216143A FI20216143A FI130847B1 FI 130847 B1 FI130847 B1 FI 130847B1 FI 20216143 A FI20216143 A FI 20216143A FI 20216143 A FI20216143 A FI 20216143A FI 130847 B1 FI130847 B1 FI 130847B1
Authority
FI
Finland
Prior art keywords
wedges
row
bending axis
press brake
front sides
Prior art date
Application number
FI20216143A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20216143A1 (en
Inventor
Tuomas Partanen
Original Assignee
Aliko Oy Ltd
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
Application filed by Aliko Oy Ltd filed Critical Aliko Oy Ltd
Priority to FI20216143A priority Critical patent/FI130847B1/en
Priority to EP22203721.0A priority patent/EP4176987A1/en
Publication of FI20216143A1 publication Critical patent/FI20216143A1/en
Application granted granted Critical
Publication of FI130847B1 publication Critical patent/FI130847B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/02—Die constructions enabling assembly of the die parts in different ways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0272—Deflection compensating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

Ett nedre verktyg (7) för en kantpress, innefattande: en nedre stomme (8), två rörliga övre stommar (9) som är placerade på den nedre stommen (8) och mellan vilka finns ett långsträckt spår (10) med en böjningsaxel (15) kring vilken en skiva som skall kantas är anordnad att böjas under kantningen, och en förflyttningsmekanism (12) för att få de övre stommarna (9) att röra sig i riktning mot varandra och i riktning bort från varandra för att ändra spårets (10) bredd. Förflyttningsmekanismen (12) innefattar en första kilrad (13) som är anordnad i samband med båda de övre stommarna (9) och som inkluderar kilar (14) som ligger efter varandra och som och vilkas främre sidor (14.1) är fästa vid den övre stommen (9) och vilkas bakre sidor (14.2) är lutande i förhållande till böjningsaxeln (15) i spåret (10), och en andra kilrad (16) som inkluderar kilar (17) som ligger efter varandra och vilkas främre sidor (17.1) är lutande i förhållande till böjningsaxeln (15) i spåret (10) och vilkas främre sidor (17.1) är anordnade att ligga an mot de bakre sidorna (14.2) av kilarna (14) i den första kilraden (13). Förflyttningsmekanismen (12) innefattar en förflyttningsanordning (18) för att få de andra kilraderna (16) att röra sig i böjningsaxelns (15) riktning. På de lutande bakre sidorna (14.2) av kilarna (14) i den första kilraden (13) finns trappformade upphöjningar (21), och på de lutande främre sidorna (17.1) av kilarna (17) i de andra kilraderna (16) finns trappformade upphöjningar (21) som är inrättade att stödas mot upphöjningarna (21) på kilarna (14) i den första kilraden (13).A lower tool (7) for a press brake, comprising: a lower frame (8), two movable upper frames (9) which are placed on the lower frame (8) and between which there is an elongated groove (10) with a bending axis ( 15) around which a disc to be edged is arranged to be bent during the edging, and a movement mechanism (12) to cause the upper bodies (9) to move in the direction towards each other and in the direction away from each other to change the track (10 ) width. The movement mechanism (12) comprises a first row of wedges (13) which is arranged in connection with both of the upper frames (9) and which includes wedges (14) which lie one behind the other and whose front sides (14.1) are attached to the upper frame (9) and whose rear sides (14.2) are inclined relative to the bending axis (15) of the groove (10), and a second row of wedges (16) which includes wedges (17) located one behind the other and whose front sides (17.1) are inclined in relation to the bending axis (15) in the groove (10) and whose front sides (17.1) are arranged to rest against the rear sides (14.2) of the wedges (14) in the first row of wedges (13). The movement mechanism (12) includes a movement device (18) to cause the other rows of wedges (16) to move in the direction of the bending axis (15). On the inclined rear sides (14.2) of the wedges (14) in the first row of wedges (13) there are stepped elevations (21), and on the inclined front sides (17.1) of the wedges (17) in the second row of wedges (16) there are stepped elevations (21) which are arranged to be supported against the elevations (21) of the wedges (14) in the first row of wedges (13).

FI20216143A 2021-11-05 2021-11-05 Bottom tool of a press brake and a press brake FI130847B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20216143A FI130847B1 (en) 2021-11-05 2021-11-05 Bottom tool of a press brake and a press brake
EP22203721.0A EP4176987A1 (en) 2021-11-05 2022-10-26 Bottom tool of a press brake and a press brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20216143A FI130847B1 (en) 2021-11-05 2021-11-05 Bottom tool of a press brake and a press brake

Publications (2)

Publication Number Publication Date
FI20216143A1 FI20216143A1 (en) 2023-05-06
FI130847B1 true FI130847B1 (en) 2024-04-23

Family

ID=84364289

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20216143A FI130847B1 (en) 2021-11-05 2021-11-05 Bottom tool of a press brake and a press brake

Country Status (2)

Country Link
EP (1) EP4176987A1 (en)
FI (1) FI130847B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8901560A (en) * 1989-06-21 1991-01-16 Wila Maschf Bv PRESS BUTTON AND AN AUTOMATIC BOMB DEVICE THEREFOR.
CH680772A5 (en) * 1989-09-11 1992-11-13 Beyeler Machines Sa
US6018979A (en) * 1998-07-08 2000-02-01 Acro Industries, Inc. Tool working height adjustment for press brake
CN201832897U (en) * 2010-11-03 2011-05-18 安徽联盟模具工业股份有限公司 Large-sized precise V-shaped bending adjustable mechanism

Also Published As

Publication number Publication date
FI20216143A1 (en) 2023-05-06
EP4176987A1 (en) 2023-05-10

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