WO1984001911A1 - Method and means of continuously punching, shearing, and forming sheet material - Google Patents

Method and means of continuously punching, shearing, and forming sheet material Download PDF

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Publication number
WO1984001911A1
WO1984001911A1 PCT/US1983/001745 US8301745W WO8401911A1 WO 1984001911 A1 WO1984001911 A1 WO 1984001911A1 US 8301745 W US8301745 W US 8301745W WO 8401911 A1 WO8401911 A1 WO 8401911A1
Authority
WO
WIPO (PCT)
Prior art keywords
station
shearing
punching
forming
rollers
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.)
Ceased
Application number
PCT/US1983/001745
Other languages
French (fr)
Inventor
James Laverne Mitchell
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU22662/83A priority Critical patent/AU2266283A/en
Publication of WO1984001911A1 publication Critical patent/WO1984001911A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/028—Tools travelling with material, e.g. flying punching machines
    • 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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • 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
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D9/00—Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4696—Plural diverse flying cutters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4757—Tool carrier shuttles rectilinearly parallel to direction of work feed
    • Y10T83/4763—Both members of cutting pair on same carrier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6476—Including means to move work from one tool station to another
    • Y10T83/6484—Punch or die station

Definitions

  • a further object of the present invention is to provide a method and means of continuously punching, shearing and forming sheet metal whereby the lateral width of the end product can be easily varied.
  • a further object of the present invention is the provision of a method and means of continuously punching shearing and forming sheet material in which all three operations are performed within one portable device which can function at the construction site.
  • a further object of the present invention is the provision of a method and means of continuously punch ⁇ ing, shearing and forming sheet metal which is easy to use and safe in operation.
  • the present invention provides a method and means of continuously punching, shearing and forming sheet material.
  • the punching and shearing stations of the machine each move on rollers between a first non- operational position and a second operational position such that as the portion is performing its operation it moves with the sheet raateria-1 until the operation is completed.
  • a spring forces the portion back to its first non-operational position.
  • the forming station of the machine comprises a plurality of rollers having variable sizes and deflection angles such that a channel is gradually formed in the material. The distance between the roller sets can be adjusted so that the width of the channel can be varied.
  • Figure 1 is a perspective view of a machine for continuously punching, shearing and forming sheet material
  • Figure 2 is a partial sectional view of the machine taken along line 2-2 of Figure 1;
  • Figure 3 is a partial top plan view of the machine without the cover on the forming station taken along line 3-3 of Figure 1;
  • Figure 4 is an enlarged scale view of the continuous advancement means of the shearing station of the machine;
  • Figure 5 is a schematic perspective view of the channel forming portion of the machine.
  • Figure 6 is a sectional view taken along line 6-6 of Figure 2.
  • the numeral 10 designates the sheet material; the nuneral 12 designates a support stand for the roll of sheet material, and the numeral 14 generally represents the machine of this invention which continuously punches, shears and forms the sheet material 10.
  • the numeral 16 generally designates the punching station of th machine 14
  • the numeral 18 generally designates the shearing station of the machine 14
  • the numeral 20 generally designates the forming station of the machine 14
  • Punch station 16 and shear station 18 are mounted on machine 14 with the punch station 16 at the end receiving the sheet metal 10 and the shear station 18 adjacent to the punch station. The stations are aligned so that the sheet metal linearly progresses from the punch station to the shear station. Punch station 16 and shear station 18 operate similarly.
  • Each has a clutch mechanism 28 operatively connected thereto with a cam 29 that periodically engages the punching or shearing die so that its respective operation is performed.
  • the punching station 16 and shearing station 18 each have an identical advancement means that will be further described with reference to Figure 4.
  • a first non-operational position of the shearing station 18 is shown by dotted lines.
  • springs 34 are compressed as upper plate 32 is forced downward.
  • tip 30 continues its counterclockwise movement and contacts lip 33 of upper plate 32, the opposing cutting edges 36 and 37 come into contact with material 10, which is being advanced by rollers 38 mounted on shafts 39.
  • tip 30 engages lip 33 of upper plate 32, the counterclockwise movement of tip 30 forces upper plate 32 and lower plate 44 of shearing station 18 forward into its operational second position upon rollers 40 mounted on shafts 41 which are journaled within grooves 42 in lower plate 44.
  • the channel forming station 20 is mounted on machine 14 adjacent the shearing station 18 and is aligned with shearing station 18 and punching station 16 so that the sheet metal will continue its linear progression through the machine 14.
  • the channel forming station 20 has five sets of rollers 52-53, 54-55, 56-57, 58-59 and 60-61 which are used to form the channel in the sheet material 10.
  • Each set of rollers has a corresponding shaft 62, 64, 66, 68 and 70 spanning the width of machine 14 and about which the rollers rotate. These rollers, with the exception of rollers 52-53, are located below the sheet material and form the upward channel as the material progresses through the rollers.
  • rollers 56-57, 58-59, and 60-61 are three sets of guide rollers 72-73, 74-75, and 76-77 mounted on shafts 78, 80 and 82, respectively.
  • the diameter of the rollers progressively increases as the sheet metal moves through station 20, with 52-53 having the smallest diameter and 60-61 having the largest diameter.
  • the angle of deflection that is the angle between the roller shaft and the forming edge of the roller, progressively increases as the sheet metal moves through station 20, with 52-53 having the smallest angle of deflection and 60-61 having a 90° angle of deflection.
  • channel forming portion 20 has an adjustment means 84 that permits moveable adjustment of forming rollers 53, 55, 57, 59, 61 and guide rollers 73, 75 and 77.
  • Adjustment means 84 includes an upper outer slide plate 86, a lower outer slide plate 88, an upper center slide plate 90, a lower center slide plate 92, upper end plates 94 and
  • a first adjusting shaft 98 is threadably received in upper outer slide plate 86 and passes through upper center slide plate 90.
  • Two additional adjustment shafts 100 and 102 are threadably received in the lower corners of lower outer slide plate 88 and pass through lower center slide plate 92.
  • Shafts 98, 100 and 102 are drivingly interconnected by sprockets 104 and chains 106.
  • a hand crank 108 provides easy adjustment of the adjustment means 84.
  • a power source (not shown) has a main drive shaft
  • roller shaft 110 which has a gear-pulley 112 mounted thereon.
  • Extending through side plate 116 of machine 14 are shafts 118, 120 and 122 having corresponding sprocketed transfer gears 124, 126 and 128, respectively.
  • Roller shafts 64, 66, 68, and 70 each have sprocketed gears 130, 132, 134 and 136, respectively.
  • Gear-pulley 112 meshes with gears 124 and 126.
  • Gear 124 meshes with roller shaft gears 130 and 132 while gear 126 meshes with roller shaft gears 132 and 134.
  • Gear 128 meshes with roller shaft gears 134 and 136.
  • Gear-pulley 112 also has a belt 138 that drivingly connects it to gear-pulley 140 mounted on shaft 142 extending between back plate 144 and center plate 146 of the machine 14.
  • Shaft 148 extends between back plate 144 and center plate 146 and has a gear 150 in meshing combination with gear-pulley 140.
  • Shafts 39a and 39b of advancing rollers 38 span between front plate 143 and back plate 144 of machine 14 and have sprocketed gears 151a and 151b, respectively, on the exterior of back plate 144.
  • Gear 150 meshes with the gear of shaft 39a which in turn meshes with the gear of shaft 39b.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Press Drives And Press Lines (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

Apparatus for continuously punching, shearing and forming sheet metal (10) comprising a frame, and punching (16), shearing (18) and forming (20) stations thereon. Rollers (38, 52-61) are provided for continuously feeding sheet metal through said stations. The forming station (20) comprises adjustable rollers (53, 55, 57, 59, 61) so that a varying width channel may be formed. A method of continuously punching, shearing and continuously feeding sheet metal through punching (16), shearing (18) and forming (20) stations.

Description

METHOD AND MEANS OF CONTINUOUSLY PUNCHING, SHEARING, AND FORMING SHEET MATERIAL
BACKGROUND OF THE INVENTION
Conventional machines used in the forming of sheet metal, such as channel-shaped studs for building walls, typically require that the stock material be stopped while the punching, shearing and forming operations are performed. The quantity of output was therefore less than if the material moved continuously through the machine as the operations were performed. Also, differ¬ ent dies are usually necessary to produce output with differing dimensions. The changing of dies is a time consuming and costly procedure. Also, existing machines for forming sheet metal are very large and are suitable only for factory usage.
It is therefore a primary objective of the present invention to provide a method and means of continuously punching, shearing and forming sheet material so that the progression of the material through the device is continuous.
_ OMPI A further object of the present invention is to provide a method and means of continuously punching, shearing and forming sheet metal whereby the lateral width of the end product can be easily varied. A further object of the present invention is the provision of a method and means of continuously punching shearing and forming sheet material in which all three operations are performed within one portable device which can function at the construction site. A further object of the present invention is the provision of a method and means of continuously punch¬ ing, shearing and forming sheet metal which is easy to use and safe in operation.
SUMMARY OF THE INVENTION The present invention provides a method and means of continuously punching, shearing and forming sheet material. The punching and shearing stations of the machine each move on rollers between a first non- operational position and a second operational position such that as the portion is performing its operation it moves with the sheet raateria-1 until the operation is completed. When operation is completed, a spring forces the portion back to its first non-operational position. The forming station of the machine comprises a plurality of rollers having variable sizes and deflection angles such that a channel is gradually formed in the material. The distance between the roller sets can be adjusted so that the width of the channel can be varied. BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a perspective view of a machine for continuously punching, shearing and forming sheet material; Figure 2 is a partial sectional view of the machine taken along line 2-2 of Figure 1;
Figure 3 is a partial top plan view of the machine without the cover on the forming station taken along line 3-3 of Figure 1; Figure 4 is an enlarged scale view of the continuous advancement means of the shearing station of the machine;
Figure 5 is a schematic perspective view of the channel forming portion of the machine; and
Figure 6 is a sectional view taken along line 6-6 of Figure 2.
DETAILED DESCRIPTION OF THE DRAWINGS
The numeral 10 designates the sheet material; the nuneral 12 designates a support stand for the roll of sheet material, and the numeral 14 generally represents the machine of this invention which continuously punches, shears and forms the sheet material 10. In Figure 2, the numeral 16 generally designates the punching station of th machine 14, the numeral 18 generally designates the shearing station of the machine 14, and the numeral 20 generally designates the forming station of the machine 14 Punch station 16 and shear station 18 are mounted on machine 14 with the punch station 16 at the end receiving the sheet metal 10 and the shear station 18 adjacent to the punch station. The stations are aligned so that the sheet metal linearly progresses from the punch station to the shear station. Punch station 16 and shear station 18 operate similarly. Each has a clutch mechanism 28 operatively connected thereto with a cam 29 that periodically engages the punching or shearing die so that its respective operation is performed. The punching station 16 and shearing station 18 each have an identical advancement means that will be further described with reference to Figure 4.
In Figure 4, a first non-operational position of the shearing station 18 is shown by dotted lines. As the triangular tip 30 of cam 29 comes into operational contact with the upper plate 32 of shear portion 18, springs 34 are compressed as upper plate 32 is forced downward. As tip 30 continues its counterclockwise movement and contacts lip 33 of upper plate 32, the opposing cutting edges 36 and 37 come into contact with material 10, which is being advanced by rollers 38 mounted on shafts 39. While tip 30 engages lip 33 of upper plate 32, the counterclockwise movement of tip 30 forces upper plate 32 and lower plate 44 of shearing station 18 forward into its operational second position upon rollers 40 mounted on shafts 41 which are journaled within grooves 42 in lower plate 44. When tip 30 disengages lip 33, the shearing operation is complete, springs 34 force upper plate 32 upwardly, and spring 50, having an end attached to lower plate 44 and the other end attached to flange 35, urges shearing portion 18 back to its nonoperational first position. The sheared portion 46 of sheet material 10 is further advanced by rollers 52-53 and 54-55. This process is repeated each time a tip of cam 29 comes into operational engagement with upper plate 32.
r- ' '- -TOTE SHEET The channel forming station 20 is mounted on machine 14 adjacent the shearing station 18 and is aligned with shearing station 18 and punching station 16 so that the sheet metal will continue its linear progression through the machine 14. The channel forming station 20 has five sets of rollers 52-53, 54-55, 56-57, 58-59 and 60-61 which are used to form the channel in the sheet material 10. Each set of rollers has a corresponding shaft 62, 64, 66, 68 and 70 spanning the width of machine 14 and about which the rollers rotate. These rollers, with the exception of rollers 52-53, are located below the sheet material and form the upward channel as the material progresses through the rollers. In corresponding vertical align- ment with rollers 56-57, 58-59, and 60-61 are three sets of guide rollers 72-73, 74-75, and 76-77 mounted on shafts 78, 80 and 82, respectively. The diameter of the rollers progressively increases as the sheet metal moves through station 20, with 52-53 having the smallest diameter and 60-61 having the largest diameter. The angle of deflection, that is the angle between the roller shaft and the forming edge of the roller, progressively increases as the sheet metal moves through station 20, with 52-53 having the smallest angle of deflection and 60-61 having a 90° angle of deflection.
Looking at Figures 5 and 6, channel forming portion 20 has an adjustment means 84 that permits moveable adjustment of forming rollers 53, 55, 57, 59, 61 and guide rollers 73, 75 and 77. Adjustment means 84 includes an upper outer slide plate 86, a lower outer slide plate 88, an upper center slide plate 90, a lower center slide plate 92, upper end plates 94 and
OMPI lower end plates 96. A first adjusting shaft 98 is threadably received in upper outer slide plate 86 and passes through upper center slide plate 90. Two additional adjustment shafts 100 and 102 are threadably received in the lower corners of lower outer slide plate 88 and pass through lower center slide plate 92. Shafts 98, 100 and 102 are drivingly interconnected by sprockets 104 and chains 106. A hand crank 108 provides easy adjustment of the adjustment means 84. A power source (not shown) has a main drive shaft
110 which has a gear-pulley 112 mounted thereon. Extending through side plate 116 of machine 14 are shafts 118, 120 and 122 having corresponding sprocketed transfer gears 124, 126 and 128, respectively. Roller shafts 64, 66, 68, and 70 each have sprocketed gears 130, 132, 134 and 136, respectively. Gear-pulley 112 meshes with gears 124 and 126. Gear 124 meshes with roller shaft gears 130 and 132 while gear 126 meshes with roller shaft gears 132 and 134. Gear 128 meshes with roller shaft gears 134 and 136. Thus, the rollers of the forming station 20 are driven in unison by the combination of meshing gears.
Gear-pulley 112 also has a belt 138 that drivingly connects it to gear-pulley 140 mounted on shaft 142 extending between back plate 144 and center plate 146 of the machine 14. Shaft 148 extends between back plate 144 and center plate 146 and has a gear 150 in meshing combination with gear-pulley 140. Shafts 39a and 39b of advancing rollers 38 span between front plate 143 and back plate 144 of machine 14 and have sprocketed gears 151a and 151b, respectively, on the exterior of back plate 144. Gear 150 meshes with the gear of shaft 39a which in turn meshes with the gear of shaft 39b.
C- 23T5TUTE SHEET Extending through back plate 144 and center plate 146 are shafts 152 and 154, each of which has a sprocketed gear 156 and 158 respectively. Gears 156 and 158 are each meshed with gears 160 and 162 mounted on shafts 164 and 166, respectively, of clutches 28. Thus, the clutches and cams are driven in unison by the combination of meshing gears.
It can thus be seen that the new invention accomplishes at least all of its stated objectives.

Claims

-8-CLAIMS
1. A means for continuously punching, shearing, and forming sheet material comprising: a frame, a punching station on said frame, a shearing station on said frame, a channel forming station on said frame, a plurality of forming rollers on said channel forming station varying in size and deflection angle and having width adjustment means for variable adjustment of said channel forming portion, and continuous advancement means on each of said punching and shearing stations for the continuous advancement of the sheet metal.
2. A means according to claim 1 wherein said channel formiong station further includes a set of guide rollers.
3. A channel forming station according to claim 2 wherein said adjustment means includes an upper slide adjustment and a lower slide adjustment, said upper slide adjustment threadably receiving a first shaft and said lower slide adjustment threadably receiving at least one additional shaft, said shafts being drivingly interconnected.
4. An adjustment means according to claim 3 wherein said upper slide adjustment adjusts said guide rollers and said lower slide adjustment adjusts said forming rollers.
5. A means according to claim 1 wherein continuous advancement means of said punching station comprises at least one roller in rolling engagement with said punching station and at least one spring having opposite ends, one of said ends being attached to said punching station and said other end being fixed away from said punching station. -9-
6. A continuous adjustment means according to claim 5 wherein said punching station has a first non- punching position and a second punching position, said second position being forward of said first position, and said roller and spring cooperating to move said punching station between said first and second positions,
7. A means according to claim 1 wherein continuous advancement means of said shearing station comprises at least one roller in rolling engagement with said shearing station and at least one spring having opposite ends, one of said ends being attached to said shearing station and said other end being fixed away from said shearing station.
8. A continuous adjustment means according to claim 7 wherein said shearing station has a first nonshearing position and a second shearing position, -said second position being forward of said first position, and said roller and spring cooperating to move said shearing station between said first and second positions.
9. A means according to claim 1 wherein said sheet metal continuously moves nonstop through said punching, shearing and channel forming stations.
10. A method of continuously punching, shearing and forming sheet material using a device having a punching station, a shearing station, and a channel forming station, said punching station and said shearing station each having a continuous advancement means comprising at least one roller and at least one spring, said punching station and said shearing station each being movable between a first nonoperating position and a second operating position, said channel forming
IPO -10-
station including a plurality of forming rollers and guiding rollers and a channel width adjustment means, said channel forming station including a plurality of forming rollers and guiding rollers and a channel width adjustment means, said method comprising: introducing said sheet material into said machine, punching said material with said punching station of said device, shearing said material with said shearing station of said device, forming said material with said channel forming station of said device, continuously advancing said material non-stop through said punching, shearing, and forming stations of said device.
11. A method according to claim 10 whereby said material urges said punching station to said second position upon commencement of said punching operation and said punching station returns to said first position upon completion of said shearing operation.
12. A method according to claim 10 whereby said material urges said shearing station to said second position upon commencement of said shearing operation and said shearing station returns to said first position upon completion of said shearing operation.
O PI
PCT/US1983/001745 1982-11-15 1983-11-08 Method and means of continuously punching, shearing, and forming sheet material Ceased WO1984001911A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU22662/83A AU2266283A (en) 1982-11-15 1983-11-08 Method and means of constinuously punching, shearing,and forming sheet material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/441,444 US4471641A (en) 1982-11-15 1982-11-15 Method and means of continuously punching, shearing and forming sheet material

Publications (1)

Publication Number Publication Date
WO1984001911A1 true WO1984001911A1 (en) 1984-05-24

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PCT/US1983/001745 Ceased WO1984001911A1 (en) 1982-11-15 1983-11-08 Method and means of continuously punching, shearing, and forming sheet material

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US (1) US4471641A (en)
EP (1) EP0126142A1 (en)
ES (1) ES8504507A1 (en)
IT (1) IT1168246B (en)
PT (1) PT77669B (en)
WO (1) WO1984001911A1 (en)

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EP2081705A4 (en) * 2006-11-16 2009-11-18 Formtek Inc APPARATUS FOR FORMING AN ADJUSTABLE FLANGE
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CN103522069A (en) * 2013-10-22 2014-01-22 洛阳市中孚机电自动化科技有限公司 Iron strap bending guillotining machine
CN104308548B (en) * 2014-10-13 2016-08-24 洛阳珩逸机械设备有限公司 A kind of full-automatic steel office furniture plate punching and shearing machine
CN104384276B (en) * 2014-12-05 2016-08-17 重庆朗正科技有限公司 A kind of automatic rolling forming device
CN107199463A (en) * 2017-07-14 2017-09-26 佛山市英标电气有限公司 A kind of punch and shears
CN115178585A (en) * 2022-07-04 2022-10-14 华宇新能源科技有限公司 Rolling punching device for processing lead-acid battery grid

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US3797428A (en) * 1971-03-29 1974-03-19 H Nordgren Method for making corner or edge plates for cases, packing, containers or other receptacles and a plant for carrying through the method
US3886779A (en) * 1974-04-17 1975-06-03 Engel Ind Inc Machine for roll forming variable width profiles
US4027517A (en) * 1974-01-07 1977-06-07 Bodnar Ernest R Method and apparatus for embossing sheet metal strip and sheet metal panel
DE2738136A1 (en) * 1977-08-24 1979-03-01 Peter Ing Grad Jerzewski Cutting extruded or rolled prods. to length - by flying shears mounted on reciprocating trolley

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US3797428A (en) * 1971-03-29 1974-03-19 H Nordgren Method for making corner or edge plates for cases, packing, containers or other receptacles and a plant for carrying through the method
US4027517A (en) * 1974-01-07 1977-06-07 Bodnar Ernest R Method and apparatus for embossing sheet metal strip and sheet metal panel
US3886779A (en) * 1974-04-17 1975-06-03 Engel Ind Inc Machine for roll forming variable width profiles
DE2738136A1 (en) * 1977-08-24 1979-03-01 Peter Ing Grad Jerzewski Cutting extruded or rolled prods. to length - by flying shears mounted on reciprocating trolley

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004375A1 (en) * 1986-01-17 1987-07-30 Trond Nilsen Machine for adjustable longitudinal corrugating of sheet materials
WO1988001208A1 (en) * 1986-08-15 1988-02-25 Hoeglund Nils Goeran Machine for corrugating sheet metal or the like
US4986105A (en) * 1986-08-15 1991-01-22 Aktiebolaget Br. Hoglunds Maskinuthyrning Machine for corrugating sheet metal or the like
EP0318497B1 (en) * 1986-08-15 1991-11-27 Aktiebolaget Br. Höglunds Maskinuthyrning Machine for corrugating sheet metal or the like
EP2081705A4 (en) * 2006-11-16 2009-11-18 Formtek Inc APPARATUS FOR FORMING AN ADJUSTABLE FLANGE
US8186197B2 (en) 2006-11-16 2012-05-29 Mestek Machinery, Inc. Adjustable flange forming apparatus
CN103447822A (en) * 2013-08-26 2013-12-18 上虞通风机有限公司 Air inlet frame forming machine of tank type ventilator
FR3079150A1 (en) * 2018-03-26 2019-09-27 Jidet LONGITUDINAL METAL BAND CONTINUOUS WORK ASSEMBLY

Also Published As

Publication number Publication date
IT1168246B (en) 1987-05-20
PT77669B (en) 1986-03-18
PT77669A (en) 1983-12-01
US4471641A (en) 1984-09-18
ES527288A0 (en) 1985-05-01
IT8349337A1 (en) 1985-05-15
IT8349337A0 (en) 1983-11-15
ES8504507A1 (en) 1985-05-01
EP0126142A1 (en) 1984-11-28

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