US3415102A - Tools for setting blind rivets - Google Patents

Tools for setting blind rivets Download PDF

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Publication number
US3415102A
US3415102A US581482A US58148266A US3415102A US 3415102 A US3415102 A US 3415102A US 581482 A US581482 A US 581482A US 58148266 A US58148266 A US 58148266A US 3415102 A US3415102 A US 3415102A
Authority
US
United States
Prior art keywords
tool
rivet
mandrel
setting
canister
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.)
Expired - Lifetime
Application number
US581482A
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English (en)
Inventor
Richard M Elliott
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.)
United Shoe Machinery Corp
Original Assignee
United Shoe Machinery Corp
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 United Shoe Machinery Corp filed Critical United Shoe Machinery Corp
Priority to US581482A priority Critical patent/US3415102A/en
Priority to SE13005/67A priority patent/SE353032B/xx
Priority to DE19671627423 priority patent/DE1627423A1/de
Priority to GB43139/67A priority patent/GB1195917A/en
Application granted granted Critical
Publication of US3415102A publication Critical patent/US3415102A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/04—Riveting hollow rivets mechanically
    • B21J15/043—Riveting hollow rivets mechanically by pulling a mandrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/105—Portable riveters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • B21J15/326—Broken-off mandrel collection
    • 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
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53478—Means to assemble or disassemble with magazine supply
    • Y10T29/53487—Assembling means comprising hand-manipulatable implement
    • Y10T29/53496—Assembling means comprising hand-manipulatable implement comprising driver for snap-off-mandrel fastener; e.g., Pop [TM] riveter

Definitions

  • the invention relates to improvements in the loading of rivets in such tools and to the disposal of spent mandrels.
  • rivet setting tools is intended to apply to all types of tools which are adapted to performing a blind riveting operation or setting a rivet while operating from one side of a work piece only and in which the rivet setting is accomplished by a pull exerted upon .a frangible mandrel which breaks and must be disposed of after the setting of the rivet.
  • the main object to an arrangement for delivering rivets individually through a hose to the riveting tool is that the addition of the hose interferes with the maneuverability of the tool. It is readily appreciated that in an air operated tool, for example, which is powered through a high pressure air line connected to the tool, that the addition of a second hose, through which rivets are delivered to the tool, and a third hose for removal of the spent mandrels to a disposal unit, would render the tool so difficult to maneuver as to add substantially to operator fatigue and accordingly further reduce normal production. In addition, tools which are equipped with hoses through which the rivets travel to the tool also require some form of rivet positioning device mounted near the nosepiece of the tool and these also tend to interfere with the setting of rivets in close quarters.
  • Yet another object is to provide for the automatic disposal of spent mandrels from riveting tools without requiring expensive .accessory equipment and without incurring time delaying blockages or jams in the disposal apparatus.
  • a further object of the invention is to improve the effective operating speed of riveting tools by reducing the time required for loading of rivets into the tool and the disposal of spent mandrels while retaining the ability of the tool to perform a riveting operation in cramped quarters.
  • one of the features of the invention relates to a spent mandrel receiving canister or receptacle of convenient size mounted directly upon the riveting tool and connected to a vacuum source. Because the canister is mounted a short distance from the operative parts of the tool, it is possible to convey broken mandrels to the canister through a straight tube of relatively small diameter and as a result the mandrel may be propelled through the tube with a low vacuum on the order of about 2 lbs. per square inch below atmosphere. Such vacuum may be produced by inexpensive low capacity pumps.
  • Another feature of the invention relates to a mug formed with an interior cavity for receiving rivets in position to be picked up by the riveting tool.
  • the mug is completely separate from the riveting tool and may conveniently be connected to a central rivet reservoir by means of a flexible hose through which the rivets are delivered one at a time to the cavity.
  • the mug and above mentioned canister cooperate with each other since the vacuum source which propels the spent mandrels into the canister is also effective for lifting a1 rivet from the mug cavity into the nose piece of the riveting tool when the tool is brought into loading relationship with the mug.
  • sensing means is provided on the mug for initiating the delivery of a rivet to the mug from the reservoir in response to the presentation of the riveting tool to the mug to load the tool with the rivet already in the mug cavity.
  • FIG. 1 is a view in prespective showing a riveting tool and mug according to the present invention
  • FIG. 2 is a fragmentary view in longitudinal section of the mug and the operative end of the tool of FIG. 1 in which the tool is depicted in rivet receiving position;
  • FIG. 3 is a fragmentary view in cross section showing a cover for a canister of the tool also forming a part of the showing of FIG. 1;
  • FIG. 4 is a fragmentary view in cross section and on an enlarged scale taken along the line IV-IV of FIG. 2 and illustrating the position of a spent mandrel as it moves through a passage in the riveting tool;
  • FIG. 5 is a fragmentary view in cross section showing the operative end or nose of the tool depicted in FIGS. 1 and 2 with a rivet in operative position.
  • FIGS. 1 and 2 there is shown a powered riveting tool comprising a housing on which is mounted a canister or receptacle assembly indicated generally at 12 in which spent mandrels are collected.
  • a mug indicated generally at 14 formed with an internal cavity 16 to receive individual rivets 18.
  • the illustrative tool is designed for power operation such as by means of an electric motor or pneumatic or hydraulic cylinder, the basic principles of the present invention are equally applicable to manually operated tools.
  • the illustrative tool includes, as seen particularly in FIG. 2, a draw bar 20 to the lower end of which is afiixed a jaw operating cage 22 containing a pair of mandrel gripping jaws 24.
  • the lower end of the tool terminates in a nose piece 26 formed with a central passage or guideway 28 adapted to locate the rivet 18 in operative position to be gripped by the jaws 24.
  • the rivet 18 consists of a rivet body 30 and a rivet setting mandrel 32. A loose sliding fit is provided for the mandrel in the guideway 28 of the nose piece.
  • a spring pressed plunger 34 formed with a wedge shaped head 35 which urges the jaws 24 apart when the draw bar 20 is in its lowermost position.
  • a spring pressed plunger 34 formed with a wedge shaped head 35 which urges the jaws 24 apart when the draw bar 20 is in its lowermost position.
  • the draw bar 20 which is formed with an interior passage 38 continues to move upwardly and in so doing deforms the rivet 30 and finally causes breakage of the mandrel 32.
  • a straight rigid pipe 48 rigidly connected to the draw bar 20 extends into the canister 12 and thus places the passage 28 in the nose piece in communication with the vacuum provided by the hose 40 through the passage 38 in the draw bar and a passage 50 in the plunger 34.
  • the passages 28, 50, 38 and the interior of the pipe 48 are in alignment so that they provide the necessary guidance for the mandrel 32 and avoid jams by confining the spent mandrel relatively closely as it progresses from the nose piece to the receptacle 44.
  • a typical example is that a steel mandrel .062 in diameter and approximately 1 /2 inches long is readily impelled through passages 50, 38 and the interior of the pipe 48 under a pressure differential of approximately 2 p.s.i. when these passages are approximately .088 inch in diameter. Obviously, adjustment would have to be made either in pressure differential or in the size of the passages to accommodate mandrels of substantially different diameters or weight.
  • the mug 14 comprises a body 52 in which the cavity 16 is formed. At the top of the cavity 16 there is a funnel shaped surface 54 adapted to receive and centralize the nose piece 26 by fitting a conical portion 56 on the housing 10.
  • the funnel surface 54 is formed with a shallow trough 58 in line with the discharge of a flexible hose 60 through which rivets are delivered one at a time to the cavity 16.
  • the hose 60 is secured to the body 52 by a clamp 62 and there is also mounted with the clamp on the mug body 14, a normally closed switch 64 actuated by a spring pressed plunger 66.
  • An integral flange 68 on the plunger 66 is engaged by a compressed spring 70 between the flange and a threaded plug 72 for urging the plunger inwardly.
  • the plunger 66 When the tool is inserted into the mug to pick up a rivet, the plunger 66, the upper end of which projects inwardly of the surface 56, is depressed from the dash line position to the solid line position of FIG. 2 and opens the switch 64.
  • the switch 64 Through a wire 74 the switch 64 is connected in series with a control device such as a relay or a solenoid of a remotely located rivet feeder member, not shown and not forming a part of the invention per se. Closure of the switch initiates delivery of a rivet propelled by a blast of compressed air through the hose 60 to the cavity 16 to replace the one which has just been picked up by the tool.
  • Each rivet 18 is oriented to travel body first through the hose 60 and successive rivets fall uniformly into position in the cavity 16 as shown in FIG. 2.
  • the rivet assembly shown in the drawings is one in which the rivet flange is formed with a conical surface 76, FIG. 4.
  • the nose piece 26 is formed adjacent the guideway 28 with a concave conical mating surface 77 which funnels the mandrel 32 into the guideway as the rivet assembly is lifted from the cavity 16 by the air pressure differential.
  • the concave surface which is intended to fit the flange of the rivet during setting thus provides a convenient means for centralizing the mandrel 32 for entry into the guideway 28 of the nose piece.
  • other rivets to be loaded from the mug 14 may have other than conical flanges which accordingly do not lend themselves to the convenient approach since it is preferred that the rivet engaging surfaces of the nose piece conform to the flange.
  • the alternative device for centralizing the mandrel 32 is accordingly provided in the mug to be used in conjunction with flat ended nose pieces, for example.
  • the alternative centralizing means comprises a pair of plungers 78 and 80 each urged outwardly by a light spring 82.
  • the plungers 78 and 80 are slidable in counterbored cylindrical guideways for-med in the mug and each is retained against excess travel in the guideway by a plate 84 secured to the outer surface of the mug.
  • the springs 82 exert a minimal outwardly directed force on the plungers 78 and 80 so that the force is readily overcome and the plungers move inwardly to embrace the mandrel 32 under the partial vacuum resulting in the cavity 16 when the nose of the tool is inserted into the mug 14.
  • the pressure in the cavity is raised and the plungers 78 and 80 are pressed radially outwardly by the springs 80.
  • Appropriate camming surfaces 85 on the plungers 78 and 80 are engageable by the body 30 to assist in retracting the plungers for passage of the rivet assembly 18 into the nose piece 26.
  • a solenoid may also be provided on the mug for actuating the plungers 78 and 80.
  • a tool having a hollow nose piece and a pair of rivet setting jaws for setting a rivet including a rivet body and a frangible mandrel to which a tractile force is applied for setting the rivet body in a work piece and then breaking the mandrel after the rivet body has been set, means defining a spent mandrel collecting canister mounted on the tool, a vacuum source connected to the canister and means defining a relatively straight passage interconnecting the nose piece with the canister and adapted to guide spent mandrels from the nose piece to the canister.
  • a tool according to claim 1 further characterized in that the passage is of a diameter less than twice that of the mandrel whereby a source of low vacuum may be employed for propelling spent mandrels through the passage to the canister.
  • the tool according to claim 1 further comprising means for centralizing the mandrels of rivets to be aspirated into the nose piece.
  • the tool according to claim 1 in combination with a mug formed with an integral cavity and means for centralizing a rivet in the cavity and means for aligning 15 5 at a time in position to be loaded into the setting tool from the cavity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
US581482A 1966-09-23 1966-09-23 Tools for setting blind rivets Expired - Lifetime US3415102A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US581482A US3415102A (en) 1966-09-23 1966-09-23 Tools for setting blind rivets
SE13005/67A SE353032B (de) 1966-09-23 1967-09-21
DE19671627423 DE1627423A1 (de) 1966-09-23 1967-09-22 Geraet zum Blindnieten
GB43139/67A GB1195917A (en) 1966-09-23 1967-09-22 Improvements in or relating to Equipment Adapted for Use in Blind Riveting.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US581482A US3415102A (en) 1966-09-23 1966-09-23 Tools for setting blind rivets

Publications (1)

Publication Number Publication Date
US3415102A true US3415102A (en) 1968-12-10

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ID=24325381

Family Applications (1)

Application Number Title Priority Date Filing Date
US581482A Expired - Lifetime US3415102A (en) 1966-09-23 1966-09-23 Tools for setting blind rivets

Country Status (4)

Country Link
US (1) US3415102A (de)
DE (1) DE1627423A1 (de)
GB (1) GB1195917A (de)
SE (1) SE353032B (de)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3523441A (en) * 1968-05-10 1970-08-11 Star Expansion Ind Corp Blind rivet air tool
US3580457A (en) * 1968-06-26 1971-05-25 Usm Corp Fastener inserting machines
FR2083470A1 (de) * 1970-03-20 1971-12-17 Tucker Eyelet Co Ltd
US3657915A (en) * 1971-05-21 1972-04-25 Josephson Speiser & Ives Automatic rear feeder for blind rivets
FR2157673A1 (de) * 1971-09-13 1973-06-08 Martin Alan
US4062217A (en) * 1976-07-15 1977-12-13 Ebbert Robert J Riveting station assembly
US4067223A (en) * 1976-10-04 1978-01-10 Parker Manufacturing Company Rivet setting tool
US4130006A (en) * 1976-07-15 1978-12-19 Ebbert Engineering Company Riveting system
US4137747A (en) * 1977-03-22 1979-02-06 Aerpat A.G. Collector for broken-off fastener parts
US4259858A (en) * 1979-05-31 1981-04-07 Freeman Richard B Vacuum-pneumatic power tool
US4275582A (en) * 1978-10-20 1981-06-30 Sheffield David J Breakstem riveting tool with stem disposal device
US4275583A (en) * 1979-04-20 1981-06-30 Terence Gilbert Breakstem riveting tool with stem disposal device
US4281531A (en) * 1978-06-24 1981-08-04 Gesipa Blindniettechnik Gmbh Blind riveter with pneumatic rivet-core disposal
US4592136A (en) * 1985-02-14 1986-06-03 Usm Corporation Fastener presentation device
US4747294A (en) * 1987-03-19 1988-05-31 Usm Corporation Fastener presentation device
US5012968A (en) * 1989-05-31 1991-05-07 Emhart Industries, Inc. Device for controlling access in fastener manipulation systems
US5544407A (en) * 1992-12-29 1996-08-13 Opt Engineering Co., Ltd. Continuous riveting method for fastening blind rivets
US6079604A (en) * 1998-10-21 2000-06-27 Emhart, Inc. Rivet tool escapement mechanism
US6125680A (en) * 1998-10-21 2000-10-03 Emhart Inc. Rivet tool adjustable rivet delivery device
US6240613B1 (en) 1998-10-21 2001-06-05 Emhart Inc. Rivet setting tool cycle control
US6256854B1 (en) 1998-10-21 2001-07-10 Emhart, Inc. Air assisted fast return stroke for rivet setting tool
WO2002011921A1 (de) * 2000-08-03 2002-02-14 Avdel Verbindungselemente Gmbh Vorrichtung und verfahren zum laden eines nietmoduls mit dornbruchblindnieten oder hohlnieten
US6347449B1 (en) 1998-10-21 2002-02-19 Emhart Inc. Modular portable rivet setting tool
EP1479462A1 (de) * 2003-05-22 2004-11-24 Newfrey LLC Vorrichtung zum Fernbeschicken von Befestigungselementen
US20060201988A1 (en) * 2005-03-11 2006-09-14 Wim Bouman Rivet delivery apparatus and method
CN104139150A (zh) * 2013-05-06 2014-11-12 昆山瑞恒峰技术咨询有限公司 一种新型的防尘拉钉枪

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2244230A (en) * 1990-05-23 1991-11-27 Avdel Systems Ltd Apparatus for presenting blind rivets
GB2273903B (en) * 1992-12-29 1996-07-24 Opt Eng Co Ltd Continuous riveting machine for fastening blind rivets

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082898A (en) * 1958-10-09 1963-03-26 Adolf Diener App Und Maschb Blind rivetting apparatus
US3196662A (en) * 1963-07-31 1965-07-27 Textron Ind Inc Pulling head device for the stem of fasteners

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082898A (en) * 1958-10-09 1963-03-26 Adolf Diener App Und Maschb Blind rivetting apparatus
US3196662A (en) * 1963-07-31 1965-07-27 Textron Ind Inc Pulling head device for the stem of fasteners

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3523441A (en) * 1968-05-10 1970-08-11 Star Expansion Ind Corp Blind rivet air tool
US3580457A (en) * 1968-06-26 1971-05-25 Usm Corp Fastener inserting machines
FR2083470A1 (de) * 1970-03-20 1971-12-17 Tucker Eyelet Co Ltd
US3657915A (en) * 1971-05-21 1972-04-25 Josephson Speiser & Ives Automatic rear feeder for blind rivets
FR2157673A1 (de) * 1971-09-13 1973-06-08 Martin Alan
US4130006A (en) * 1976-07-15 1978-12-19 Ebbert Engineering Company Riveting system
US4062217A (en) * 1976-07-15 1977-12-13 Ebbert Robert J Riveting station assembly
US4067223A (en) * 1976-10-04 1978-01-10 Parker Manufacturing Company Rivet setting tool
US4137747A (en) * 1977-03-22 1979-02-06 Aerpat A.G. Collector for broken-off fastener parts
US4281531A (en) * 1978-06-24 1981-08-04 Gesipa Blindniettechnik Gmbh Blind riveter with pneumatic rivet-core disposal
US4275582A (en) * 1978-10-20 1981-06-30 Sheffield David J Breakstem riveting tool with stem disposal device
US4275583A (en) * 1979-04-20 1981-06-30 Terence Gilbert Breakstem riveting tool with stem disposal device
US4259858A (en) * 1979-05-31 1981-04-07 Freeman Richard B Vacuum-pneumatic power tool
EP0191620A3 (de) * 1985-02-14 1989-03-15 Tucker Fasteners Limited Vorrichtung zum Beschicken von Befestigungselementen
EP0191620A2 (de) * 1985-02-14 1986-08-20 Tucker Fasteners Limited Vorrichtung zum Beschicken von Befestigungselementen
US4592136A (en) * 1985-02-14 1986-06-03 Usm Corporation Fastener presentation device
US4747294A (en) * 1987-03-19 1988-05-31 Usm Corporation Fastener presentation device
US5012968A (en) * 1989-05-31 1991-05-07 Emhart Industries, Inc. Device for controlling access in fastener manipulation systems
US5544407A (en) * 1992-12-29 1996-08-13 Opt Engineering Co., Ltd. Continuous riveting method for fastening blind rivets
US6256854B1 (en) 1998-10-21 2001-07-10 Emhart, Inc. Air assisted fast return stroke for rivet setting tool
US6240613B1 (en) 1998-10-21 2001-06-05 Emhart Inc. Rivet setting tool cycle control
US6079604A (en) * 1998-10-21 2000-06-27 Emhart, Inc. Rivet tool escapement mechanism
US6347449B1 (en) 1998-10-21 2002-02-19 Emhart Inc. Modular portable rivet setting tool
US6125680A (en) * 1998-10-21 2000-10-03 Emhart Inc. Rivet tool adjustable rivet delivery device
EP1454686A3 (de) * 2000-08-03 2005-02-09 AVDEL VERBINDUNGSELEMENTE GmbH Vorrichtung und Verfahren zum Laden eines Nietmoduls mit Dornbruchblindnieten oder Hohlnieten
WO2002011921A1 (de) * 2000-08-03 2002-02-14 Avdel Verbindungselemente Gmbh Vorrichtung und verfahren zum laden eines nietmoduls mit dornbruchblindnieten oder hohlnieten
EP1454686A2 (de) * 2000-08-03 2004-09-08 AVDEL VERBINDUNGSELEMENTE GmbH Vorrichtung und Verfahren zum Laden eines Nietmoduls mit Dornbruchblindnieten oder Hohlnieten
EP1479462A1 (de) * 2003-05-22 2004-11-24 Newfrey LLC Vorrichtung zum Fernbeschicken von Befestigungselementen
US20040231123A1 (en) * 2003-05-22 2004-11-25 Woyciesjes James N. Remote fastener presenter
US20060226194A1 (en) * 2003-05-22 2006-10-12 Newfrey Llc Remote fastener presenter
US20060201988A1 (en) * 2005-03-11 2006-09-14 Wim Bouman Rivet delivery apparatus and method
US7735218B2 (en) * 2005-03-11 2010-06-15 Acument Intellectual Properties, Llc Rivet delivery apparatus and method
CN104139150A (zh) * 2013-05-06 2014-11-12 昆山瑞恒峰技术咨询有限公司 一种新型的防尘拉钉枪

Also Published As

Publication number Publication date
SE353032B (de) 1973-01-22
GB1195917A (en) 1970-06-24
DE1627423A1 (de) 1970-11-12

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