CN102319861B - Electromagnetic riveter driving head - Google Patents
Electromagnetic riveter driving head Download PDFInfo
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- CN102319861B CN102319861B CN 201110257779 CN201110257779A CN102319861B CN 102319861 B CN102319861 B CN 102319861B CN 201110257779 CN201110257779 CN 201110257779 CN 201110257779 A CN201110257779 A CN 201110257779A CN 102319861 B CN102319861 B CN 102319861B
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- axle
- amplifier
- boss
- driving head
- linear bearing
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Abstract
The invention relates to an electromagnetic riveter driving head for solving the technical problem that interference fit fasteners cannot be installed due to short stroke of the conventional electromagnetic riveter driving head. According to the technical scheme, a core shaft (11) placed in an electromagnetic riveter and capable of sliding is designed, the core shaft (11) is guided by using a linear bearing (12), a guide sleeve (1) and a front cover (2) are canceled, so that the driving head can extend outwards freely; and the maximum stroke of the driving head reaches 50 millimeters, so thatthe driving head can be used for installing the long-stroke interference fit fasteners. Due to the configuration of a compression spring (5) and a buffer spring (4), certain safety distance is kept between a driving plate (9) and a discharge coil (10) in a standby state; and a circular lug boss (15) is used as the positioning lug boss, so that the core shaft (11) and an amplifier (6) have relatively high verticality, and the driving plate (9) can be tightly attached to the discharge coil (10).
Description
Technical field
The present invention relates to mechanical field, particularly relate to a kind of electromagnetism riveting gun driving head.
Background technology
With reference to Figure 10.Document " publication number is the Chinese invention patent of CN101890473A " discloses a kind of low-voltage electromagnetism riveting gun, and its drive head branch comprises guide pin bushing 1, protecgulum 2, drift 3, nut 4, compression spring 5, amplifier 6, venthole 7, insulating lining 8, driving chip 9.Guide pin bushing 1 is fixed on the protecgulum 2, and drift 3 is connected with amplifier 6, slides in guide pin bushing 1, and is undertaken spacing by spring 5, nut 4.Gap between driving chip 9 and the discharge coil 10 is the impulse stroke of this electromagnetism riveting gun driving head.When general interference engagement securing member is installed, require the stroke of electromagnetism riveting gun driving head because the driving head stroke of this electromagnetism riveting gun is short, to be not suitable for the installation of interference engagement securing member above the thickness of interlayer of securing member syndeton.
Summary of the invention
The deficiency that can not carry out the installation of interference engagement securing member in order to overcome existing electromagnetism riveting gun driving head stroke weak point, the invention provides a kind of electromagnetism riveting gun driving head, by changing the connected mode of driving head slipper, be placed on electromagnetism riveting gun inside, can realize the installation of long stroke interference engagement securing member.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electromagnetism riveting gun driving head, comprise drift 3, compression spring 5, amplifier 6, insulating lining 8 and driving chip 9, be characterized in also comprising axle 11, linear bearing 12, axle cover 13 and buffering spring 14.Described amplifier 6 is frustum structures, with drift 3 by being threaded, drift is detachable.Amplifier 6, insulating lining 8 and driving chip 9 have identical external diameter, and from left to right stack successively, and by round boss 15 and the circular groove 18 of same diameter, the back, location is assembled into one with 4 soket head cap screws.There are screw boss 19 and the shaft shoulder 20 in axle 11 ends, and the shaft shoulder 20 of axle 11 ends fits tightly with the round boss 15 on the amplifier 6, prevent from becoming flexible and making axle 11 vertical with amplifier 6.Be threaded with the corresponding screwed hole in amplifier 6 central axis places by screw boss 19; Spanner groove 21 is arranged on the axle 11, and axle 11 afterbodys have internal thread hole, are connected by soket head cap screw with axle cover 13.Linear bearing 12 is positioned at preceding mass hole 16, and axle 11 can be slided front and back in linear bearing 12.Buffer spring 14 and compression spring 5 are disposed at the front and back of axle cover 13 respectively, and buffer spring 14 is enclosed within on the axle 11, and an end withstands on linear bearing 12, and the other end withstands on the buffer spring boss 22 of axle cover 13, leads with axle 11; One end of compression spring 5 is enclosed within on the compression spring boss 23 of axle cover 13, and the other end leans on back mass hole wall 17.
The invention has the beneficial effects as follows: because the driving head slipper is placed electromagnetism riveting gun inside, be axle guiding with linear bearing, saved protecgulum and guide pin bushing, make the driving head can be free overhanging, range reaches 50 millimeters, and long stroke interference engagement securing member can be installed.The configuration of compression spring and buffering spring makes driving chip and discharge coil keep certain safe distance under holding state; The use of positioning boss makes axle and amplifier have higher perpendicularity, makes driving chip can be adjacent to discharge coil.
Below in conjunction with drawings and Examples the present invention is elaborated.
Description of drawings
Fig. 1 is the location drawing of electromagnetism riveting gun driving head of the present invention on the electromagnetism riveting gun.
Fig. 2 is the right view of amplifier among Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the right view of insulating lining among Fig. 1.
Fig. 5 is the B-B cutaway view of Fig. 4.
Fig. 6 is the right view of driving chip among Fig. 1.
Fig. 7 is the C-C cutaway view of Fig. 6.
Fig. 8 is the enlarged drawing of Fig. 1 central shaft.
Fig. 9 is the enlarged drawing of Fig. 1 central axle sleeve.
Figure 10 is the structural representation of background technology electromagnetism riveting gun.
Among the figure, 1, guide pin bushing, 2, protecgulum, 3, drift, 4, nut, 5, the compression spring, 6, amplifier, 7, venthole, 8, insulating lining, 9, driving chip, 10, discharge coil, 11, axle, 12, linear bearing, 13, the axle cover, 14, buffer spring, 15, round boss, 16, preceding mass hole, 17, back mass hole wall, 18, circular groove, 19, screw boss, 20, the shaft shoulder, 21, the spanner groove, 22, the buffer spring boss, 23, compression spring boss.
The specific embodiment
With reference to figure 1～9, the present invention includes drift 3, amplifier 6, insulating lining 8, driving chip 9, axle 11, axle cover 13, compression spring 5, buffer spring 14, linear bearing 12.Amplifier 6 is cone, and the bottom surface cone angle is 33 degree, and facies basialis pyramidis has thick 3 millimeters round boss, and there is the fine thread hole at the boss center.Cone head is round boss, and there is screwed hole at the boss center, and spanner groove 21 is arranged on the limit, is used for mounting or dismounting drift 3.Axle 11 heads are fine thread boss 19, and leading portion is provided with spanner groove 21, and afterbody has screwed hole.By spanner groove 21 the head threads boss 19 of axle is screwed in the screwed hole of amplifier 6 bottom surface round boss 15 correspondences and tightens, the shaft shoulder 20 of axle 11 is fitted tightly with round boss 15, prevent loosening and make axle 11 vertical with amplifier 6.Insulating lining 8 is used for the decay current that isolation drive sheet 9 produces between amplifier 6 and driving chip 9, the scope of the electromagnetic field of restriction driving chip 9.Insulating lining 8 is cheese, its central through hole and axle 11 matched in clearance, and insulating lining 8 one sides are circular groove 18, one side is round boss 15, coaxial arrangement.Circular groove 18 and amplifier 6 corresponding round boss 15 cooperate, and round boss 15 and driving chip 9 corresponding circular grooves 18 cooperate, for assembling and positioning.Driving chip 9 thickness are 10 millimeters, and material is the high-purity red copper, for generation of the needed electromagnetic force of riveted joint.Amplifier 6, insulating lining 8 are joined auger shell pit and tapping after locating by round boss 15 and circular groove 18 with driving chip 9, closely connect with 4 soket head cap screws; With axle 11 assembling back processing excircles centered by axle 11.Cylindrical and riveting gun shell endoporus are matched in clearance, and its gap 7 is as the riveting gun venthole.Before being installed in, linear bearing 12 in the mass hole 16, for axle 11 guiding, driving head can be slided and rotate freely.Axle cover 13 is the notch cuttype structure of middle perforate, is connected with axle 11 by soket head cap screw.Buffer spring 14 is enclosed within on the axle 11, with axle 11 guiding; On the hole wall in mass hole 16, tail end was stuck on the axle cover 13 before its front end withstood on, and spring is not jumped when work.Compression spring 5 front end sleeves are on axle cover 13, and tail end withstands back mass hole wall 17.The impulsive force of driving head when buffer spring 14 is used for absorbing riveting gun work, compression spring 5 is used for isolation drive sheet 9 and discharge coil 10 under holding state, prevents potential safety hazard.The front and back configuration of axle spring makes the range of driving head can reach 50mm, can realize the installation of long stroke interference engagement securing member.
Claims (1)
1. an electromagnetism riveting gun driving head comprises drift (3), compression spring (5), amplifier (6), insulating lining (8) and driving chip (9), it is characterized in that: also comprise axle (11), linear bearing (12), axle cover (13) and buffering spring (14); Described amplifier (6) is the frustum structure, with drift (3) by being threaded, drift is detachable; Amplifier (6), insulating lining (8) and driving chip (9) have identical external diameter, and from left to right stack successively, and by round boss (15) and the circular groove (18) of same diameter, the back, location is assembled into one with four soket head cap screws; There are screw boss (19) and the shaft shoulder (20) in axle (11) end, and the round boss (15) on the shaft shoulder (20) of axle (11) end and the amplifier (6) fits tightly, and prevents from becoming flexible and making axle (11) vertical with amplifier (6); Axle (11) is threaded with the corresponding screwed hole in amplifier (6) central axis place by screw boss (19); Spanner groove (21) is arranged on the axle (11), and axle (11) afterbody has internal thread hole, is connected by soket head cap screw with axle cover (13); Linear bearing (12) is positioned at preceding mass hole (16), and axle (11) can be slided front and back in linear bearing (12); Buffer spring (14) and compression spring (5) are disposed at the front and back of axle cover (13) respectively, buffer spring (14) is enclosed within on the axle (11), one end withstands on the linear bearing (12), and the other end withstands on the buffer spring boss (22) of axle cover (13), leads with axle (11); One end of compression spring (5) is enclosed within on the compression spring boss (23) of axle cover (13), and the other end leans on back mass hole wall (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110257779 CN102319861B (en) | 2011-09-01 | 2011-09-01 | Electromagnetic riveter driving head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110257779 CN102319861B (en) | 2011-09-01 | 2011-09-01 | Electromagnetic riveter driving head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102319861A CN102319861A (en) | 2012-01-18 |
| CN102319861B true CN102319861B (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110257779 Active CN102319861B (en) | 2011-09-01 | 2011-09-01 | Electromagnetic riveter driving head |
Country Status (1)
| Country | Link |
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| CN (1) | CN102319861B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270346B (en) * | 2016-10-11 | 2018-10-19 | 湖南大学 | A kind of truck frame magnetic field impulse riveting set |
| CN108057832B (en) * | 2017-12-21 | 2019-11-01 | 西北工业大学 | It is a kind of semi-automation electromagnetic rivet driver buffering and guiding device |
| CN110184436B (en) * | 2019-06-13 | 2020-12-08 | 西北工业大学 | High-speed hole cold extrusion device based on electromagnetic force |
| CN113102678B (en) * | 2021-04-09 | 2023-08-08 | 陕西大工旭航电磁科技有限公司 | Heavy electromagnetic riveter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3646791A (en) * | 1970-11-06 | 1972-03-07 | Grumman Aerospace Corp | Method and apparatus for deforming a metal workpiece, for upsetting rivets, and for blind riveting |
| US3811313A (en) * | 1971-04-12 | 1974-05-21 | Boeing Co | Electromagnetic high energy impact apparatus |
| EP0293257A2 (en) * | 1987-05-27 | 1988-11-30 | Peter B. Zieve | An electromagnetic pulse actuator |
| US4836008A (en) * | 1987-12-30 | 1989-06-06 | Emhart Industries, Inc. | Solenoid powered riveting tool |
| CN2865927Y (en) * | 2005-08-02 | 2007-02-07 | 西北工业大学 | Low-voltage electromagnetic riveting equipment |
| CN201214134Y (en) * | 2008-05-16 | 2009-04-01 | 张文华 | Electro-magnetism pulling rivet gun |
| CN101890473A (en) * | 2010-07-09 | 2010-11-24 | 哈尔滨工业大学 | Portable low-voltage electromagnetism riveter |
| CN202239455U (en) * | 2011-09-01 | 2012-05-30 | 西北工业大学 | Electromagnetic riveter driving head for installing fastening piece in interference fit |
-
2011
- 2011-09-01 CN CN 201110257779 patent/CN102319861B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3646791A (en) * | 1970-11-06 | 1972-03-07 | Grumman Aerospace Corp | Method and apparatus for deforming a metal workpiece, for upsetting rivets, and for blind riveting |
| US3811313A (en) * | 1971-04-12 | 1974-05-21 | Boeing Co | Electromagnetic high energy impact apparatus |
| EP0293257A2 (en) * | 1987-05-27 | 1988-11-30 | Peter B. Zieve | An electromagnetic pulse actuator |
| US4836008A (en) * | 1987-12-30 | 1989-06-06 | Emhart Industries, Inc. | Solenoid powered riveting tool |
| CN2865927Y (en) * | 2005-08-02 | 2007-02-07 | 西北工业大学 | Low-voltage electromagnetic riveting equipment |
| CN201214134Y (en) * | 2008-05-16 | 2009-04-01 | 张文华 | Electro-magnetism pulling rivet gun |
| CN101890473A (en) * | 2010-07-09 | 2010-11-24 | 哈尔滨工业大学 | Portable low-voltage electromagnetism riveter |
| CN202239455U (en) * | 2011-09-01 | 2012-05-30 | 西北工业大学 | Electromagnetic riveter driving head for installing fastening piece in interference fit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102319861A (en) | 2012-01-18 |
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Effective date of registration: 20210207 Address after: Room 411, block B, innovation building, xigongda, 127 Youyi West Road, Xi'an, Shaanxi 710072 Patentee after: Shaanxi Dagong Xuhang Electromagnetic Technology Co.,Ltd. Address before: 710072 No. 127 Youyi West Road, Shaanxi, Xi'an Patentee before: Northwestern Polytechnical University |
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