WO2010141020A1 - Outil d'installation d'écrou de perçage amélioré - Google Patents

Outil d'installation d'écrou de perçage amélioré Download PDF

Info

Publication number
WO2010141020A1
WO2010141020A1 PCT/US2009/046247 US2009046247W WO2010141020A1 WO 2010141020 A1 WO2010141020 A1 WO 2010141020A1 US 2009046247 W US2009046247 W US 2009046247W WO 2010141020 A1 WO2010141020 A1 WO 2010141020A1
Authority
WO
WIPO (PCT)
Prior art keywords
pierce
nut
punch
base portion
pierce nut
Prior art date
Application number
PCT/US2009/046247
Other languages
English (en)
Inventor
William D. Lamb
Dale Irving
Original Assignee
Fastener Advance Products
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 Fastener Advance Products filed Critical Fastener Advance Products
Priority to PCT/US2009/046247 priority Critical patent/WO2010141020A1/fr
Publication of WO2010141020A1 publication Critical patent/WO2010141020A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06—Screw or nut setting or loosening machines
    • B23P19/062—Pierce nut setting machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
    • F16B37/062—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting

Definitions

  • the present invention relates to an improved pierce nut installation tool, more particularly an installation tool for installing a pierce nut into a panel.
  • pierce nuts have been used in industry for many decades. There continue to be efforts to develop and improve the devices used to install piece nuts into panels. The present invention is the culmination of one such effort. It is believed that the installation tools currently in use in industry have proven to be less reliable than desired, contain too many moving parts and may be difficult to maintain. Additionally, it is believed that the current art may fail to provide adequate feedback or communication to and/or from the device and any press or tool in which the device may be located.
  • the present invention is directed to one such solution, and particularly is directed to an improved installation tool that may provide a more reliable and cost effective means of installing pierce nuts into various panels.
  • a pierce nut installation device for use between a top and a bottom plate of a press or die tool for installing pierce nuts onto a panel for receiving the pierce nuts, at least including: an installation punch with a top punch portion and a bottom punch portion, wherein the top punch portion is connected to the top plate of the press or die tool; and a base assembly with a top base portion and a bottom base portion, the top base portion including a pierce nut track, at least one nut actuation device, a push rod connected to the at least one nut actuation device and disposed above the pierce nut track, a retention rod disposed above the pierce nut track, an installation head including a punch channel, and a punch sensor that detects the presence of the bottom punch portion and is disposed adjacent to the punch channel; and the bottom base portion including at least one return actuation device and a lower die button, both disposed in a base
  • the first aspect of the present invention may be further characterized by one or any combination of the features described herein, such as the at least one nut actuation device comprises a pneumatic cylinder; the at least one return actuation device comprises a pneumatic cylinder; the push rod is rotatably connected to the top base portion and includes a push rod spring for biasing an angled rod shaft into a hole in the pierce nuts; the retention rod is rotatably connected to the top base portion and includes a retention spring for biasing an angled retention shaft into a hole in the pierce nuts; including a control device in communication with at least one of the punch sensor, the nut actuation device, or the return actuation device; including a control table, wherein the bottom base portion is at least partially disposed on the control table; the control table includes the control device disposed thereon; the control table includes a pierce nut spool disposed thereon; the at least one nut actuation device, the at least one return actuation device, and the punch sensor
  • a pierce nut installation device for use between a top and a bottom plate of a press or die tool for installing pierce nuts onto a panel for receiving the pierce nuts, at least including: an installation punch with a top punch portion and a bottom punch portion, wherein the top punch portion is connected to the top plate of the press or die tool; and a base assembly with a top base portion and a bottom base portion, the top base portion including a pierce nut track, at least one nut actuation device, a push rod connected to the at least one nut actuation device and disposed above the pierce nut track, a retention rod disposed above the pierce nut track, an installation head including a punch channel, at least two opposing rotatably adjustable locator arms, and a punch sensor that detects the presence of the bottom punch portion and is disposed adjacent to the punch channel; and the bottom base portion including a lower die button, both
  • the second aspect of the present invention may be further characterized by one or any combination of the features described herein, such as the at least one nut actuation device comprises a pneumatic cylinder; the at least one return actuation device comprises a pneumatic cylinder; the push rod is rotatably connected to the top base portion and includes a push rod spring for biasing an angled rod shaft into a hole in the pierce nuts; the retention rod is rotatably connected to the top base portion and includes a retention spring for biasing an angled retention shaft into a hole in the pierce nuts; including a control device in communication with at least one of the punch sensor or the nut actuation device; including a control table, wherein the bottom base portion is at least partially disposed on the control table; the control table includes a pierce nut spool disposed thereon; the at least one nut actuation device, the at least one return actuation device, and the punch sensor communicate with the control device.
  • FIG. 1 is a perspective view of the improved pierce nut installation tool according to the present invention.
  • Fig. 2 is a perspective view of the nut and a pre-punched panel.
  • Fig. 3 is a sectional view through the center of the tool of figure 1.
  • Fig. 4 is a rear perspective view of a portion of the tool of figure 1.
  • Fig. 5 is a side view of the tool installed in a press.
  • Fig. 6 is a side view of a portion of the tool of figure 1.
  • Fig. 7 is a sectional front view through the head section according to the present invention.
  • FIG. 8 is a perspective view of an improved pierce nut installation tool station according to the present invention.
  • the invention is an improved pierce nut installation tool 10, as illustrated in Figs. 1, 3-8.
  • the pierce nut tool may be used to install pierce nuts, for example nuts 20, preferably into pre-punched hole in panels 30 (e.g. sheet metal panels), for example as seen in Fig. 2.
  • the panel 30 may be free of any holes and the nut 20 is such that it pierces the hole during the installation process.
  • the nuts 20 in this type of application are typically supplied on rolls and are interconnected via frangible wire in a series.
  • the installation tool 10 may be at least partially located in a press 40 or die tool (e.g. between the top and bottom plates 50, 60 of the press or die tool), wherein the press 40 providing the force necessary to deform a portion of nut 20 (and possibly piercing the hole), thus securing it to the panel 30.
  • the installation tool 10 may include an installation punch 70 with a top punch portion 72 and a bottom punch portion 74, wherein the top punch portion 72 may be connected to the top plate 50 of the press or die tool.
  • the installation tool 10 also may include a base assembly 80 with a top base portion 90 and a bottom base portion 110, each described in greater detail below.
  • most if not all of the components of the tool 10 may be constructed of a robust material that allows long ware and tool life.
  • materials such as mild steel, tool steel, aluminum, magnesium, or the like.
  • the top base portion 90 may include a number or components and/or features, all interconnected to form an assembly.
  • the top base portion 90 may include a pierce nut track 92. This track may be defined as a channel in the top base portion 90, at least one nut actuation device 100, a nut push rod 105 rotationally connected to the at least one nut actuation device 100 and disposed above the pierce nut track 92.
  • a nut retention rod 120 disposed above the pierce nut track 92 and rotationally connected to the top base portion 90, an installation head section 130 including a punch channel 132, a punch sensor 134 that detects the presence of the bottom punch portion 74 and is disposed adjacent to the punch channel 132.
  • the pierce nut track 92 may comprise a channel located in the top base portion 90.
  • the channel may have a profile that closely matches the profile of the nuts 20 that travel within the channel.
  • the track 92 is preferably has a profile geometry that is about 2% or more large than that of the nut 20 and has a smooth surface to allow the movement of the nut 20 through the track 92. It is also contemplated that the track 92 is open at the top at least in the area of the center hole 22 in the nut 20 so that the nut push rod 105 and the nut retention rod 120 can at least partially engage the hole of the nut 20 (holding the nut 20 from moving rearward in the track 92.
  • the at least one nut actuation device 100 functions to at least provide the linear forward and rearward movement to the nut push rod 105 (which in turn indexes the nuts 20 forward in the tool 10.).
  • this device 100 is a pneumatic cylinder and may be disposed above the nut track 92. It is also contemplated that it may also be a hydraulic cylinder or the like.
  • the device 100 also may be in communication with a control device 260 discussed in further detail later in this application.
  • the nut retention rod 120 and/or the nut push rod 105 may include a head portion 122, 112, that is adapted to fit at least partially within the center hole 21 of the nut 20 and has an angled back wall 124, 114.
  • the angled back wall 124, 114 serves to allow the rods 105, 120 to rotate out of the hole 21.
  • the angled back wall preferably has an angle ⁇ of between about 25° and 60°, more preferably between about 35° and 50°.
  • the rods 105, 120 may also include a biasing spring (not shown) that biases the rotation of the rods 105, 120 towards the nuts 20 in the track 92.
  • the installation head section 130 may be disposed at or near one end of the top base portion 90.
  • the head section 130 is where the nut track 92 ends and where the action of separating the nut 20 from the frangible wire and in conjunction with the bottom bas portion 110, secures the nut 20 to the panel 30.
  • the head section 130 may include a punch channel 132 and a punch sensor 134.
  • the punch sensor 134 functions to detect the presence (e.g. proximity sensor) of the bottom punch portion 74, whereby it preferably communicates with the at least one return actuation device 210 (described further in the "BOTTOM BASE PORTION" below).
  • the sensor 134 may be disposed adjacent to the punch channel 132.
  • the installation head section 130 may also include at least two opposing rotatably adjustable locator arms 135 adapted to nest with opposing side walls of the pierce nut 20. The locator arms may be spring loaded to bias the rotation towards the nut 20.
  • the bottom base portion 110 may include a number or components and/or features, all interconnected to form an assembly.
  • the bottom base portion 110 may include at least one return actuation device 210 and a lower die button 220, both disposed in a base plate 202. It is contemplated that when installed, the bottom base portion 110 is at least partially disposed on the bottom plate 60 of the press or die tool. It is also contemplated that at least in one embodiment, that the bottom base portion 110 and the top base portion 90 are rotatably connected at or near one end via a pivot 204.
  • the lower die button 220 functions to aid in the bending of the nut 20 during installation in the panel 30, as is customary in the art.
  • a movable portion of the device 210 is connected to the top base portion and functions to open and close the top and bottom portions 110, 90 by forcing the rotation about the pivot 204.
  • the device 210 is activated by the presence or lack thereof of the bottom punch portion 74 as communicated by the punch sensor 134 (either directly or indirectly).
  • the device 210 is a pneumatic cylinder, although it is contemplated that it may also be a hydraulic cylinder or the like.
  • the at least one return actuation device 210 is not present, and the top and bottom portions 90, 110 are not connected via a pivot.
  • the top portion 90 may be at least partially disposed on a stripper plate (not shown) connected to the press or die tool. This typically would be the case if the panel 30 would not fit between the top and bottom portions 90, 110.
  • the improved pierce nut installation tool 10 may include all of or a combination of a control table 250, a control device 260, and a piece nut spool 270, to form an improved pierce nut installation tool station 11 , see Fig. 8. It may be preferred that when the control table 250 is present, the bottom base portion 110 is at least partially disposed on the control table 250 or connected thereto in some manner.
  • the control table 250 simple functions a platform for the station 11 components listed above. It may be placed on wheels to make it easier to move from press to press.
  • the control table 250 may also contain additional sensors, such as nut detecting sensors (not shown) that function to detect the presence of nuts 20 (e.g. that the spool 270 has not run out of its supply of nuts).
  • control device 260 may be a programmable digital device (e.g. computer, PIc, or other control device) that communicates with the devices in the tool 10. It may also communicate with the press 40 or any control system of the press 40. Some of the devices in the tool 10 that the control device 260 may communicate with and control include the punch sensor 134 and the actuation devices 100, 210. Preferably, for example, the control device 260 receives a signal from the punch sensor 134 (detecting the presence of the bottom punch portion 74) and then causes the at least one return actuation device 210 to activate, rotating the top base portion 90 to a closed position, and putting the tool 10 in a arrangement where the nut 20 is installed to the panel. In another example, the control device causes the at least one nut actuation device 100 to move forward to index the nuts 20 into installation position.
  • a programmable digital device e.g. computer, PIc, or other control device
  • any numerical values recited in the above application include all values from the lower value to the upper value in increments of one unit provided that there is a separation of at least 2 units between any lower value and any higher value.
  • the amount of a component or a value of a process variable such as, for example, temperature, pressure, time and the like is, for example, from 1 to

Abstract

La présente invention porte sur un dispositif d'installation d'écrou de perçage améliorée (10) destiné à être utilisé entre une plaque supérieure (50) et une plaque inférieure (60) d'une presse (40) ou d'un outil de matrice. Le dispositif est utilisé pour installer des écrous de perçage (20) sur un panneau (30) pour recevoir les écrous de perçage (20) (avec ou sans trou pré-poinçonné). Le dispositif (10) comprend au moins un poinçon d'installation (70) avec une partie de poinçon supérieure (72) et une partie de poinçon inférieure (74), la partie de poinçon supérieure (72) étant reliée à la plaque supérieure (50) de la presse (40) ou de l'outil de matrice, et un ensemble de base (80) avec une partie de base supérieure (90) et une partie de base inférieure (110).
PCT/US2009/046247 2009-06-04 2009-06-04 Outil d'installation d'écrou de perçage amélioré WO2010141020A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2009/046247 WO2010141020A1 (fr) 2009-06-04 2009-06-04 Outil d'installation d'écrou de perçage amélioré

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2009/046247 WO2010141020A1 (fr) 2009-06-04 2009-06-04 Outil d'installation d'écrou de perçage amélioré

Publications (1)

Publication Number Publication Date
WO2010141020A1 true WO2010141020A1 (fr) 2010-12-09

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Application Number Title Priority Date Filing Date
PCT/US2009/046247 WO2010141020A1 (fr) 2009-06-04 2009-06-04 Outil d'installation d'écrou de perçage amélioré

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827131A (en) * 1973-02-05 1974-08-06 R Coltrin Method of swage nail fastening
US3858299A (en) * 1973-08-27 1975-01-07 Multifastener Corp Nut coil de-reeler
US4348796A (en) * 1980-02-06 1982-09-14 Multifastener Corporation Nut installation apparatus and method
DE29614382U1 (de) * 1996-08-20 1996-10-17 Mathieu Peter Dipl Ing Vorrichtung zum automatischen Vereinzeln und Zuführen von Teilen, z.B. Schweißmuttern, Einpreßmuttern, Bördelteilen, zu einem im Arbeitsablauf folgenden Gerät über eine Zuführstrecke, z.B. Profilschiene oder Schlauch
WO1999051392A1 (fr) * 1998-04-08 1999-10-14 Cecil Dimitrios G Systeme de controle de la qualite pour poste de rivetage
EP1116891A1 (fr) * 1994-11-22 2001-07-18 Profil Verbindungstechnik GmbH & Co. KG Ecrou encastrable
US6578258B1 (en) * 2002-05-24 2003-06-17 Whitesell Of Michigan Inc. Pierce nut installation head
EP1533054A2 (fr) * 2003-11-21 2005-05-25 Newfrey LLC Système avec élément de fixation auto-poinçonneur
DE102004002844B3 (de) * 2004-01-19 2005-07-14 Vollmer Metallwaren Gmbh Einpressvorrichtung zur Bearbeitung vorgeformter Bauteile

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827131A (en) * 1973-02-05 1974-08-06 R Coltrin Method of swage nail fastening
US3858299A (en) * 1973-08-27 1975-01-07 Multifastener Corp Nut coil de-reeler
US4348796A (en) * 1980-02-06 1982-09-14 Multifastener Corporation Nut installation apparatus and method
EP1116891A1 (fr) * 1994-11-22 2001-07-18 Profil Verbindungstechnik GmbH & Co. KG Ecrou encastrable
DE29614382U1 (de) * 1996-08-20 1996-10-17 Mathieu Peter Dipl Ing Vorrichtung zum automatischen Vereinzeln und Zuführen von Teilen, z.B. Schweißmuttern, Einpreßmuttern, Bördelteilen, zu einem im Arbeitsablauf folgenden Gerät über eine Zuführstrecke, z.B. Profilschiene oder Schlauch
WO1999051392A1 (fr) * 1998-04-08 1999-10-14 Cecil Dimitrios G Systeme de controle de la qualite pour poste de rivetage
US6578258B1 (en) * 2002-05-24 2003-06-17 Whitesell Of Michigan Inc. Pierce nut installation head
EP1533054A2 (fr) * 2003-11-21 2005-05-25 Newfrey LLC Système avec élément de fixation auto-poinçonneur
DE102004002844B3 (de) * 2004-01-19 2005-07-14 Vollmer Metallwaren Gmbh Einpressvorrichtung zur Bearbeitung vorgeformter Bauteile

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