EP1036609A1 - Maschine zum Abscheren und Pressformen von drahtförmigem Material - Google Patents

Maschine zum Abscheren und Pressformen von drahtförmigem Material Download PDF

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Publication number
EP1036609A1
EP1036609A1 EP99103978A EP99103978A EP1036609A1 EP 1036609 A1 EP1036609 A1 EP 1036609A1 EP 99103978 A EP99103978 A EP 99103978A EP 99103978 A EP99103978 A EP 99103978A EP 1036609 A1 EP1036609 A1 EP 1036609A1
Authority
EP
European Patent Office
Prior art keywords
assembly
shaft
supporting structure
machine
machine according
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.)
Withdrawn
Application number
EP99103978A
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English (en)
French (fr)
Inventor
Albino Castiglioni
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.)
Castiglioni Albino
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 EP99103978A priority Critical patent/EP1036609A1/de
Priority to EP00104456A priority patent/EP1034861A3/de
Publication of EP1036609A1 publication Critical patent/EP1036609A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F23/00—Feeding wire in wire-working machines or apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F1/00—Bending wire other than coiling; Straightening wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F11/00—Cutting wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/58—Making machine elements rivets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
    • B21K27/02—Feeding devices for rods, wire, or strips

Definitions

  • the present invention relates to a machine for cropping and press-forming material fed in wire form.
  • Machines which can cut and press-form material which is fed to the machine in the form of a wire, for example to produce small mechanical parts such as rivets, nails or the like.
  • These machines are generally constituted by a supporting structure which supports, so that it can slide in a substantially horizontal direction, an assembly provided with a support for one or more cropping and pressing punches which face a die in which suitable forming cavities are provided.
  • the support of the cropping and pressing punches is actuated with a reciprocating translatory motion so as to sequentially crop the material fed in wire form into segments having a preset length and then press-form these wire segments inside the forming cavities of the die.
  • the die is usually actuated with an intermittent rotary motion about a substantially horizontal axis, so as to cyclically arrange one or more forming cavities in front of the punch or punches supported by the support, which moves with a reciprocating motion.
  • the assembly that supports the cropping and press-forming punch support is actuated intermittently at high speed and its motion is reversed at a high rate, so as to achieved high productivity for the machine.
  • European patent EP-138.758 discloses a machine provided with a second assembly which has the same characteristics and mass as the assembly that supports the cropping and press-forming punch support and is arranged on the same line.
  • the first assembly and the second assembly can slide with respect to the supporting structure of the machine along a same path and are actuated along said sliding path synchronously but in mutually opposite directions. In this manner the translatory motion of the second assembly perfectly counterbalances the vibration generated by the translatory motion of the first assembly.
  • the aim of the present invention is to solve the above problems, by providing a machine for cropping and press-forming material fed in wire form which ensures high productivity while containing vibration to acceptable levels although having limited longitudinal dimensions.
  • an object of the invention is to provide a machine for cropping and press-forming material fed in wire form in which the kinematic system used for synchronizing the movements of the various elements that compose the machine is relatively simple.
  • Another object of the invention is to provide a machine which is structurally simple, can be manufactured with competitive costs and ensures high reliability in operation.
  • a machine for cropping and press-forming material fed in wire form which comprises a supporting structure which slidingly supports a first assembly which comprises a support for at least one cropping and pressing punch, said supporting structure further slidingly supporting a second assembly whose mass is suitable to counterbalance the mass of said first assembly, means being provided for the synchronized actuation of said first assembly and of said second assembly with respect to said supporting structure with a reciprocating motion along a sliding path in mutually opposite directions, characterized in that said first assembly and said second assembly are arranged one above the other and in that the sliding path of said second assembly is parallel and vertically spaced with respect to the sliding path of said first assembly.
  • the machine according to the invention comprises a supporting structure 2 which supports, so that it can slide along a preferably horizontal path indicated by the arrow 6, a first assembly 3 which comprises a support 4 for at least one cropping and press-forming punch of a known type which is not shown for the sake of simplicity.
  • the supporting structure 2 further supports, so that it can slide along a preferably horizontal path indicated by the arrow 16, parallel to the sliding path of the first assembly 3, a second assembly 5 whose mass is suitable to counterbalance the mass of the first assembly 3.
  • the machine is provided with means for the synchronized actuation of the first assembly 3 and of the second assembly 5 along the corresponding sliding paths 6 and 16 with respect to the supporting structure 2.
  • the first assembly 3 and the second assembly 5 are arranged one above the other and the sliding path 16 of the second assembly 5 is parallel and vertically spaced with respect to the sliding path 6 of the first assembly 3.
  • the second assembly 5 is preferably arranged below the first assembly 3.
  • the first assembly 3 is mounted on a slider 7 which slidingly engages a dovetail guide 8 which is rigidly coupled to the supporting structure 2 and runs parallel to the sliding path 6.
  • the actuation means for the first assembly 3 comprise a gearmotor 9 which is supported by the footing of the machine and is connected, for example by means of a belt transmission 10, to a pulley 11 which is keyed on an end of a first shaft 12.
  • the shaft 12 is supported by the supporting structure 2, so that it can rotate about its own axis 12a, for example by interposing bearings 13a and 13b.
  • the axis 12a of the first shaft 12 is arranged horizontally and is perpendicular to the sliding path 6.
  • the first shaft 12 has, proximate to the end that lies opposite to the end on which the pulley 11 is keyed, an eccentric portion 14 which is connected to the first assembly 3 for example by means of a link rod 15.
  • the second assembly 5 is slidingly mounted on guiding bars 17a and 17b which are rigidly coupled to the supporting structure 2 of the machine and run parallel to the sliding path 16.
  • the sliding of the second assembly 5 along the guiding bars 17a and 17b is achieved by means of a second shaft 18 which is arranged below the first shaft 12 and is orientated so that its axis 18a is parallel to the axis 12a of the first shaft 12.
  • the second shaft 18 is supported, so that it can rotate about the corresponding axis 18a, by the supporting structure 2 for example by means of a pair of bearings 19a and 19b.
  • the second shaft 18 too has, proximate to one of its axial ends, an eccentric portion 20 which is connected to the second assembly 5 for example by means of a link rod 21.
  • the first shaft 12 and the second shaft 18 are kinematically mutually connected so that the actuation of the first shaft 12 also causes the synchronized actuation of the second shaft 18 in the opposite direction.
  • first gear 22 which is keyed on an intermediate portion of the first shaft 12 and meshes with a second gear 23 which is keyed on the second shaft 18.
  • the machine further comprises a pair of wire feeding rollers 24 and 25 which are orientated so that their axes are parallel to the axes of the shafts 12 and 18.
  • the supporting structure 2 supports a die 26 in which the forming cavities for the wire fed by the rollers 24 and 25 are provided.
  • Said die 26 is rigidly coupled to a star conveyor 27 which can rotate, with respect to the supporting structure of the machine, about an axis which is parallel to the sliding paths 6 and 16.
  • the star conveyor 27 and therefore the die 26 are actuated with an intermittent rotary motion about their own axis, for example by means of an hourglass-shaped cam 28, so as to cyclically place a forming cavity or a set of forming cavities in front of the punch or set of punches supported by the support 4.
  • a third gear 44 which meshes with the second gear 23 and is rigidly coupled to a fourth gear 45 which meshes with a fifth gear 46.
  • the fifth gear 46 is rigidly coupled to a sixth gear 47 which is rigidly coupled to the wire feed roller 25.
  • the sixth gear 47 meshes with a seventh gear 48 which is rigidly coupled to the other wire feed roller 24.
  • the fifth gear 46 further meshes with an eighth gear 49 which actuates the extractor 40.
  • the third gear 44 meshes with a ninth idler gear 50, which in turn meshes with a tenth gear 51 which actuates the hourglass-shaped cam 28.
  • the rotary actuation of the first shaft 12, performed by the gearmotor 9, causes the reciprocating translatory motion of the first assembly 3 along the sliding path 6.
  • the second assembly 5 is actuated with a reciprocating motion along the sliding path 16 in the opposite direction with respect to the translatory motion of the first assembly 3.
  • the machine according to the invention although ensuring excellent vibration damping during operation, has limited longitudinal dimensions.
  • the actuation of the first assembly 3 with a reciprocating motion causes the punches mounted on the support 4 to crop the material in wire form which is fed by the rollers 24 and 25 and to form the material by pressing inside the forming cavities provided in the die 26.
  • the formed parts are then extracted from the forming cavities provided in the die 26 and the die 26 is cyclically rotated about its own axis in order to place new forming cavities in front of the punch or punches supported by the support 4.
  • This containment of the longitudinal dimensions of the machine allows to considerably simplify the kinematic chain that mutually connects the various elements of the machine.
  • the materials used, as well as the dimensions, may be any according to requirements and to the state of the art.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
EP99103978A 1999-03-10 1999-03-10 Maschine zum Abscheren und Pressformen von drahtförmigem Material Withdrawn EP1036609A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP99103978A EP1036609A1 (de) 1999-03-10 1999-03-10 Maschine zum Abscheren und Pressformen von drahtförmigem Material
EP00104456A EP1034861A3 (de) 1999-03-10 2000-03-06 Maschine zum Schneiden und Formen von Draht

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99103978A EP1036609A1 (de) 1999-03-10 1999-03-10 Maschine zum Abscheren und Pressformen von drahtförmigem Material

Publications (1)

Publication Number Publication Date
EP1036609A1 true EP1036609A1 (de) 2000-09-20

Family

ID=8237674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99103978A Withdrawn EP1036609A1 (de) 1999-03-10 1999-03-10 Maschine zum Abscheren und Pressformen von drahtförmigem Material

Country Status (1)

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EP (1) EP1036609A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003101643A1 (en) * 2002-05-31 2003-12-11 Enkotec A/S Method and system for support and/or transport of a wire
CN112916715A (zh) * 2021-01-25 2021-06-08 文国亮 一种方形金属冲孔设备
CN114906670A (zh) * 2022-07-15 2022-08-16 江苏海强电缆有限公司 一种电缆计米盘绕架
CN117943488A (zh) * 2024-03-27 2024-04-30 成都龙奥弹簧制造有限公司 一种具有自动调节效果的弹簧生产用钢线切割机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017779A (en) * 1957-07-10 1962-01-23 Albert P Beals Reciprocating drive mechanism
EP0078775A1 (de) * 1981-11-03 1983-05-11 Albino Castiglioni Maschine zum kontinuierlichen Abscheren und Kaltstauchen von Drahtmaterial
EP0138758A1 (de) * 1983-08-23 1985-04-24 Albino Castiglioni Vorrichtung zum kontinuierlichen Schneiden und Kaltpressen von drahtförmigen Materials
US5239921A (en) * 1990-05-16 1993-08-31 Carnaudmetalbox Plc Balance mechanism for a press machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017779A (en) * 1957-07-10 1962-01-23 Albert P Beals Reciprocating drive mechanism
EP0078775A1 (de) * 1981-11-03 1983-05-11 Albino Castiglioni Maschine zum kontinuierlichen Abscheren und Kaltstauchen von Drahtmaterial
EP0138758A1 (de) * 1983-08-23 1985-04-24 Albino Castiglioni Vorrichtung zum kontinuierlichen Schneiden und Kaltpressen von drahtförmigen Materials
US5239921A (en) * 1990-05-16 1993-08-31 Carnaudmetalbox Plc Balance mechanism for a press machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003101643A1 (en) * 2002-05-31 2003-12-11 Enkotec A/S Method and system for support and/or transport of a wire
CN112916715A (zh) * 2021-01-25 2021-06-08 文国亮 一种方形金属冲孔设备
CN114906670A (zh) * 2022-07-15 2022-08-16 江苏海强电缆有限公司 一种电缆计米盘绕架
CN117943488A (zh) * 2024-03-27 2024-04-30 成都龙奥弹簧制造有限公司 一种具有自动调节效果的弹簧生产用钢线切割机

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