CA1192769A - Jet guide rivet injector - Google Patents
Jet guide rivet injectorInfo
- Publication number
- CA1192769A CA1192769A CA000406257A CA406257A CA1192769A CA 1192769 A CA1192769 A CA 1192769A CA 000406257 A CA000406257 A CA 000406257A CA 406257 A CA406257 A CA 406257A CA 1192769 A CA1192769 A CA 1192769A
- Authority
- CA
- Canada
- Prior art keywords
- feed tube
- rivets
- plenum
- rivet
- slot
- 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
Links
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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C1/00—Hand-held nailing tools; Nail feeding devices
- B25C1/001—Nail feeding devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
JET GUIDE RIVET INJECTOR
ABSTRACT OF THE DISCLOSURE
Air pressure means for maintaining rivets in axial alignment as they pass through a feed tube to a riveting machine. The air pressure means comprises a circum-ferentially spaced series of air discharge passages directed obliquely toward the axis of the feed tube and in the direction of travel of the rivets whereby a conical pattern of air pressure is directed against the shanks of the rivets to urge them into axial alignment in the feed tube
ABSTRACT OF THE DISCLOSURE
Air pressure means for maintaining rivets in axial alignment as they pass through a feed tube to a riveting machine. The air pressure means comprises a circum-ferentially spaced series of air discharge passages directed obliquely toward the axis of the feed tube and in the direction of travel of the rivets whereby a conical pattern of air pressure is directed against the shanks of the rivets to urge them into axial alignment in the feed tube
Description
%~
BACKGROt~N~ OF Tll~ ~NVENT~ON
The present :invention relates to -the feeding o~:
rivets or other fasteners or similar articles to r:ivetirlg or other fastener inserting means.
In riveting machines the rivet blanks having heads at one erld of each are commonly fed to the ri~eting apparatus by passing them downwardly -through a feed tube and thence laterally to rivet receiving fingers which support the same and insert them through holes in workpieces to be riveted. Passage of the rivet blanks downwardly -through the feed tube may be by gravity alone or by air pressure against rivet blanks downwardly through the feed tube.
The present invention provides means to prevent cocking of rivet blanks in the feed tube which interferes with feeding thereof and also makes it possible to employ the rivet feeding mechanism in any orientation, including an upside-down orientation with respect to conventional downwardly moving rivet blanks.
In U.S. Patent No. 3,647,129 issued March 7, 1972 to Ehrlich, air pressure is employed to direct successive rivet blanks laterally from the feed tube into a rivet receiving channel extending at right angles -to the feed tube.
In U~S. Patent NoO 3,906,615 issued September 23, 1975 to Campbell, Jr. et al, the rivet blanks are free to cock as they move along the feed tube bu-t are ultimately straightened by movement into engagement with an O-ring at the discharge end of the feed tube, if, in fact, -they ultimately reach such discharge end.
) _ In U.S. Patent No. 3,9~6,926 issued March 30, 197~
-to Willis, as bes-t shown i.n Fig. 6 the.reof, ai.r is permit-~ecl -to bleed o~f from beneath -the Easteners -to permi-t the:i.r free downward flow. The :individual fasteners are :introduced in-to the feed channel by way of an lnlet passage 62 which intersects the feed channel and are moved upwardly by air pressure from such passaye to a position where they abut the rivet driving device.
In U.S. Patent No. 4,194,665, issued March 25, 1980 to Maestri air pressure is merely employed to actuate the staple driving element which is .in the form of a pneumatic hammer.
None of the patents referred to above or known to the appl.icant or his at-torney approach -the construction shown and claimed herein or provide air pressure means for main-taininy rivet blanks ayai.nst cocking during their passage to the rive-ting means through a feed tube.
SUMMARY OF THE INVENTION
In the present invention, the individual rivets are fed usuaily downwardly through a feed tube and come to rest upon side rail formations from which they are moved laterally to conventional rivet holding fingers. The present invention relates entirely to means for preventing cocking of the rivet blanks in their passage through the feed tube and insuring their axial alignment regardless of the position or orientation of the feed -tube.
Broadly speaking, therefore, the present invention provides, in ri.vet feeding appara-tus including a feed tube and means for receiving rive-ts upon leav:ing the feed tube, the feed tube terminating at one end adjacen-t the rive-t rece:iv:incJrneans, meclns for a1.ign:Lng ri.vets or the like as they pass -throuyh the feed tube with their axes in general alignment wlth the axis of the feed -tube, each of the ri~ets having a head portion and a shank portion, the allgning l[leclns comprising a circumEerentially spaced serles of air inLet passages adjacent the one end Or the f0ed tube ~or d:is-charging air into the feed kube and directed obl-iquely toward the a~:is of the feed tube and in the general direction of movement of the rivets to cause air to enter the feed tube in a generally conical pattern converging sub-stantially a-t the axis of the feed tube and in -the direction of movement of the rivets to impinge agains-t the shanks of the rivets and thus establish and main-tain axial alignment thereof.
BRIEF DESCRIPTION OF THE DRAWING
Fig. 1 is a general cross-sectional view on a vertical plane showing one form of the appara-tus of the present invention;
Fig. 2 is a cross-sectional vlew of the apparatus taken on the line 2-2 of Fig. l;
Fig. 3 is a pigmentary cross-sectional view on the line 3-3 of Fig. 1 and Fig~ 4 is a cross-sectional view on -the line 4-4 of Fig. 3, DESCRIPTION OF THE ILLUSTR~TED EMBODIMENT
In Fig. 1 the numeral 10 designates generally the upper anvil structure of a rivetlng machine which s-truc-ture is conventional and well known. The anvil, : ~, 7~
per se, is desi~ ated 11 ancl extends downwardly into a pa-ir o rivet recei.~ q finclers 12 whlch is like~ise convelltiolla'l.
in the ri~et,incl machine art. The i.ndivi,clual rivets, desig--nated 13, aremoved laterall.y to a posit:ion between the fi.n-gers 12 with the heads oF the r;.vets uppermost and 1,he shank portions extending downwardly as shown in do~ and dash ].i,nes at 13 in Fiq. :1. The posi-tion of individllal rivets pri,or -to their horizontal movement to the rive-t fingers is shown in full lines in Fig. 1.
Reference will now be had to the novel posi,tion of the present apparatus in which individual rivets are moved downwardly through a rivet feed tube 15. In conventional rivet feeding tubes the rivets are dropped into the feed tube individually with theirheads uppermost and are then moved laterally into engagement with rivet finyers 12.
The present invention provides means to main-tain individual rive-ts in vertical alignment and prevent cocking thereof in the feed tube and also provides for feed-ing rivets in proper axial orlentation in any position of the rivet feeding mechanism, includinct an upside-down posi-tion in which case the rivets would be blown upwardly through the feed tube 15 by air pressure.
As illustrated in Fig. 3. on a somewhat enlarged scale the lower end of tube 15 fits within a collar 16 the interior of which forms a continuation of the feed tube 15.
Collar 16 is supported upon a hori~ontally r:l.t/~ .~
7~
e~tending bracket 18 which is attached to the riveting machine. Referring particularly to Fig. 1, rive-ts 13 llaving heads at their upper ends drop downwardly so that the rivc~t heads normally rest upon spaced ledges 20 for~led by a slot 21 in bracket 18 as shown in F'ig. 2~
A bar 2~ is longituc1lnally slidable in slot 21 and has a V-shaped nose portion 25 adapted to engage successive rivets on ledges 20 and move -them hori~ontally to engagement with conventional receiving fingers 120 Bar 24 is fixed to a piston 26 and an air pressure connection 27 moves piston 26 and bar 24 against the resistance of a coil spring 28.
The novel portion of the present rivet feeding apparatus is best shown in Figs. 3 and 4 and in the present instance takes the form of a beveled annular groove 30 in collar 16 and a series of circumferentially spaced downwardly extending annular passages 31 directed obliquely toward the axis of the feed tube 15. The beveled groove 30 is closed by a collar 32 and a source of air pressure is introduced to groove 30 by a connection 33 thereby derining ~0 a plenum. Thus air is projected in a downwardly conical path as shown by -the dot and dash lines in Fig. 3 and impinges aqainst the shanks of rivets 13 to urge such shanks toward a coaxial position with respect to feed tube 15 and collar 16.
A typical embodiment of the present invention has been described herein and shown in the accompanying drawing to illustrate the under1ying principles of the inv~ntion, but it is to be understood -that numerouC. modific-ations may be macle without departin~ ~rom the bro,~d spirit and 5copeoE the invention.
r:lt/
BACKGROt~N~ OF Tll~ ~NVENT~ON
The present :invention relates to -the feeding o~:
rivets or other fasteners or similar articles to r:ivetirlg or other fastener inserting means.
In riveting machines the rivet blanks having heads at one erld of each are commonly fed to the ri~eting apparatus by passing them downwardly -through a feed tube and thence laterally to rivet receiving fingers which support the same and insert them through holes in workpieces to be riveted. Passage of the rivet blanks downwardly -through the feed tube may be by gravity alone or by air pressure against rivet blanks downwardly through the feed tube.
The present invention provides means to prevent cocking of rivet blanks in the feed tube which interferes with feeding thereof and also makes it possible to employ the rivet feeding mechanism in any orientation, including an upside-down orientation with respect to conventional downwardly moving rivet blanks.
In U.S. Patent No. 3,647,129 issued March 7, 1972 to Ehrlich, air pressure is employed to direct successive rivet blanks laterally from the feed tube into a rivet receiving channel extending at right angles -to the feed tube.
In U~S. Patent NoO 3,906,615 issued September 23, 1975 to Campbell, Jr. et al, the rivet blanks are free to cock as they move along the feed tube bu-t are ultimately straightened by movement into engagement with an O-ring at the discharge end of the feed tube, if, in fact, -they ultimately reach such discharge end.
) _ In U.S. Patent No. 3,9~6,926 issued March 30, 197~
-to Willis, as bes-t shown i.n Fig. 6 the.reof, ai.r is permit-~ecl -to bleed o~f from beneath -the Easteners -to permi-t the:i.r free downward flow. The :individual fasteners are :introduced in-to the feed channel by way of an lnlet passage 62 which intersects the feed channel and are moved upwardly by air pressure from such passaye to a position where they abut the rivet driving device.
In U.S. Patent No. 4,194,665, issued March 25, 1980 to Maestri air pressure is merely employed to actuate the staple driving element which is .in the form of a pneumatic hammer.
None of the patents referred to above or known to the appl.icant or his at-torney approach -the construction shown and claimed herein or provide air pressure means for main-taininy rivet blanks ayai.nst cocking during their passage to the rive-ting means through a feed tube.
SUMMARY OF THE INVENTION
In the present invention, the individual rivets are fed usuaily downwardly through a feed tube and come to rest upon side rail formations from which they are moved laterally to conventional rivet holding fingers. The present invention relates entirely to means for preventing cocking of the rivet blanks in their passage through the feed tube and insuring their axial alignment regardless of the position or orientation of the feed -tube.
Broadly speaking, therefore, the present invention provides, in ri.vet feeding appara-tus including a feed tube and means for receiving rive-ts upon leav:ing the feed tube, the feed tube terminating at one end adjacen-t the rive-t rece:iv:incJrneans, meclns for a1.ign:Lng ri.vets or the like as they pass -throuyh the feed tube with their axes in general alignment wlth the axis of the feed -tube, each of the ri~ets having a head portion and a shank portion, the allgning l[leclns comprising a circumEerentially spaced serles of air inLet passages adjacent the one end Or the f0ed tube ~or d:is-charging air into the feed kube and directed obl-iquely toward the a~:is of the feed tube and in the general direction of movement of the rivets to cause air to enter the feed tube in a generally conical pattern converging sub-stantially a-t the axis of the feed tube and in -the direction of movement of the rivets to impinge agains-t the shanks of the rivets and thus establish and main-tain axial alignment thereof.
BRIEF DESCRIPTION OF THE DRAWING
Fig. 1 is a general cross-sectional view on a vertical plane showing one form of the appara-tus of the present invention;
Fig. 2 is a cross-sectional vlew of the apparatus taken on the line 2-2 of Fig. l;
Fig. 3 is a pigmentary cross-sectional view on the line 3-3 of Fig. 1 and Fig~ 4 is a cross-sectional view on -the line 4-4 of Fig. 3, DESCRIPTION OF THE ILLUSTR~TED EMBODIMENT
In Fig. 1 the numeral 10 designates generally the upper anvil structure of a rivetlng machine which s-truc-ture is conventional and well known. The anvil, : ~, 7~
per se, is desi~ ated 11 ancl extends downwardly into a pa-ir o rivet recei.~ q finclers 12 whlch is like~ise convelltiolla'l.
in the ri~et,incl machine art. The i.ndivi,clual rivets, desig--nated 13, aremoved laterall.y to a posit:ion between the fi.n-gers 12 with the heads oF the r;.vets uppermost and 1,he shank portions extending downwardly as shown in do~ and dash ].i,nes at 13 in Fiq. :1. The posi-tion of individllal rivets pri,or -to their horizontal movement to the rive-t fingers is shown in full lines in Fig. 1.
Reference will now be had to the novel posi,tion of the present apparatus in which individual rivets are moved downwardly through a rivet feed tube 15. In conventional rivet feeding tubes the rivets are dropped into the feed tube individually with theirheads uppermost and are then moved laterally into engagement with rivet finyers 12.
The present invention provides means to main-tain individual rive-ts in vertical alignment and prevent cocking thereof in the feed tube and also provides for feed-ing rivets in proper axial orlentation in any position of the rivet feeding mechanism, includinct an upside-down posi-tion in which case the rivets would be blown upwardly through the feed tube 15 by air pressure.
As illustrated in Fig. 3. on a somewhat enlarged scale the lower end of tube 15 fits within a collar 16 the interior of which forms a continuation of the feed tube 15.
Collar 16 is supported upon a hori~ontally r:l.t/~ .~
7~
e~tending bracket 18 which is attached to the riveting machine. Referring particularly to Fig. 1, rive-ts 13 llaving heads at their upper ends drop downwardly so that the rivc~t heads normally rest upon spaced ledges 20 for~led by a slot 21 in bracket 18 as shown in F'ig. 2~
A bar 2~ is longituc1lnally slidable in slot 21 and has a V-shaped nose portion 25 adapted to engage successive rivets on ledges 20 and move -them hori~ontally to engagement with conventional receiving fingers 120 Bar 24 is fixed to a piston 26 and an air pressure connection 27 moves piston 26 and bar 24 against the resistance of a coil spring 28.
The novel portion of the present rivet feeding apparatus is best shown in Figs. 3 and 4 and in the present instance takes the form of a beveled annular groove 30 in collar 16 and a series of circumferentially spaced downwardly extending annular passages 31 directed obliquely toward the axis of the feed tube 15. The beveled groove 30 is closed by a collar 32 and a source of air pressure is introduced to groove 30 by a connection 33 thereby derining ~0 a plenum. Thus air is projected in a downwardly conical path as shown by -the dot and dash lines in Fig. 3 and impinges aqainst the shanks of rivets 13 to urge such shanks toward a coaxial position with respect to feed tube 15 and collar 16.
A typical embodiment of the present invention has been described herein and shown in the accompanying drawing to illustrate the under1ying principles of the inv~ntion, but it is to be understood -that numerouC. modific-ations may be macle without departin~ ~rom the bro,~d spirit and 5copeoE the invention.
r:lt/
Claims (7)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. In rivet feeding apparatus including a feed tube and means for receiving rivets upon leaving said feed tube, said feed tube terminating at one end adjacent said rivet receiving means, means for aligning rivets or the like as they pass through said feed tube with their axes in general alignment with the axis of said feed tube, each of said rivets having a head portion and a shank portion, said aligning means comprising a circumferentially spaced series of air inlet passageways adjacent said one end of said feed tube for discharging air into said feed tube and directed obliquely toward the axis of said feed tube and in the general direction of movement of the rivets to cause air to enter the feed tube in a generally conical pattern converging substantially at the axis of said feed tube and in the direction of movement of the rivets to impinge against the shanks of the rivets and thus establish and maintain axial alignment thereof.
2. Apparatus according to claim 1 wherein said air passage means comprises a plenum encircling said tube, a collar encircling said plenum to enclose the plenum, and means for introducing air pressure into said plenum, said series of oblique passages extending from said plenum to the interior of said feed tube to establish said conical air flow pattern.
3. Apparatus according to claim 2 wherein said feed tube has an upper portion and a lower portion and wherein said plenum is disposed adjacent to the lower portion of said feed tube.
4. Apparatus according to claim 1 wherein said feed tube terminates at its lower end in a bracket which provides a slot for receiving the shank portions of rivets moving to said slot.
5. Apparatus according to claim 4 including horizontally movable means for engaging the shank portions of said rivets to move the rivets laterally into engagement with conventional rivet engaging fingers.
6. Apparatus according to claim 2 wherein said feed tube terminates at its lower end in a bracket which provides a slot for receiving the shank portions of rivets moving to said slot.
7. Apparatus according to claim 2 including horizontally movable means for engaging the shank portions of said rivets to move the rivets laterally into engagement with conventional rivet engaging fingers.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27821281A | 1981-06-29 | 1981-06-29 | |
| US278,212 | 1981-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1192769A true CA1192769A (en) | 1985-09-03 |
Family
ID=23064131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000406257A Expired CA1192769A (en) | 1981-06-29 | 1982-06-29 | Jet guide rivet injector |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0068857A1 (en) |
| JP (1) | JPS5816750A (en) |
| AR (1) | AR230737A1 (en) |
| AU (1) | AU8537682A (en) |
| BR (1) | BR8203778A (en) |
| CA (1) | CA1192769A (en) |
| ES (1) | ES8308492A1 (en) |
| IL (1) | IL66219A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4592136A (en) * | 1985-02-14 | 1986-06-03 | Usm Corporation | Fastener presentation device |
| DE3825675A1 (en) * | 1988-07-28 | 1990-02-01 | Boellhoff & Co | BLIND RIVET DEVICE |
| DE4423165C2 (en) * | 1994-07-04 | 1996-06-20 | Michael Feldpausch | Device for providing fasteners |
| US6196414B1 (en) | 1998-10-23 | 2001-03-06 | Vought Aircraft Industries, Inc. | Fastener injector system and method |
| US6264063B1 (en) * | 1998-10-23 | 2001-07-24 | Vought Aircraft Industries, Inc. | Orientation maintained fastener delivery system and method |
| DE102004006411B4 (en) | 2004-02-09 | 2018-09-20 | Volkswagen Ag | Method and device for providing fastening means arranged in a loading device in a specific orientation |
| ATE513656T1 (en) * | 2007-04-14 | 2011-07-15 | Boellhoff Verbindungstechnik | FEEDING DEVICE, SETTING DEVICE AND METHOD FOR FEEDING AND JOINING FASTENING ELEMENTS |
| CN106040949B (en) * | 2016-08-03 | 2018-03-13 | 徐月苗 | Riveting machine |
| CN106040948B (en) * | 2016-08-03 | 2017-12-22 | 哈工大机器人集团（哈尔滨）资产经营管理有限公司 | The riveting mechanism of riveting machine |
| CN106424516B (en) * | 2016-10-12 | 2018-01-23 | 江苏西顿科技有限公司 | Forced automatic nail feeding machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3275047A (en) * | 1964-08-19 | 1966-09-27 | Ingersoll Rand Co | Fastener holder for power tools |
| US3494393A (en) * | 1967-12-18 | 1970-02-10 | Teletype Corp | Screw positioning device |
| US3647129A (en) * | 1968-10-21 | 1972-03-07 | Trw Inc | Stud feeding system for welding tools |
| US3750257A (en) * | 1971-12-30 | 1973-08-07 | Kaynar Mfg Co | Systematized apparatus for driving fasteners |
| US3946926A (en) * | 1974-08-26 | 1976-03-30 | Willis Clyde P | Automatic fastener emplacement mechanism |
-
1982
- 1982-06-25 AR AR28980082A patent/AR230737A1/en active
- 1982-06-25 EP EP82303351A patent/EP0068857A1/en not_active Ceased
- 1982-06-26 JP JP11055482A patent/JPS5816750A/en active Pending
- 1982-06-28 ES ES513533A patent/ES8308492A1/en not_active Expired
- 1982-06-28 BR BR8203778A patent/BR8203778A/en unknown
- 1982-06-28 AU AU85376/82A patent/AU8537682A/en not_active Abandoned
- 1982-06-29 CA CA000406257A patent/CA1192769A/en not_active Expired
- 1982-07-04 IL IL6621982A patent/IL66219A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU8537682A (en) | 1983-01-06 |
| IL66219A (en) | 1985-11-29 |
| AR230737A1 (en) | 1984-06-29 |
| ES513533A0 (en) | 1983-10-16 |
| EP0068857A1 (en) | 1983-01-05 |
| JPS5816750A (en) | 1983-01-31 |
| BR8203778A (en) | 1983-06-21 |
| ES8308492A1 (en) | 1983-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |