CN107377787A - A kind of self-piercing riveting device and method of adjustable riveting mould position - Google Patents
A kind of self-piercing riveting device and method of adjustable riveting mould position Download PDFInfo
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- CN107377787A CN107377787A CN201710678332.9A CN201710678332A CN107377787A CN 107377787 A CN107377787 A CN 107377787A CN 201710678332 A CN201710678332 A CN 201710678332A CN 107377787 A CN107377787 A CN 107377787A
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- polished rod
- slide unit
- screw mandrel
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000725 suspension Substances 0.000 claims abstract description 30
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 210000001364 upper extremity Anatomy 0.000 claims description 4
- 210000004534 cecum Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The present invention relates to a kind of self-piercing riveting device and method of adjustable riveting mould position, category self-pierce riveting connection area.The present invention includes U-shaped pedestal, floor, slide unit I, screw mandrel I, polished rod I, handwheel, lower mould slider, lower rivet model, screw mandrel II, polished rod II, upper cover plate, drift suspension bracket, holding screw, leading screw III, polished rod III, drift guide rail, slide unit II, leading screw IV, polished rod IV, sleeve, drift, upper rivet model；The handwheel of the one end of screw mandrel I is tuned, makes slide unit I by polished rod I along X to moving；The handwheel of the one end of screw mandrel II is tuned, lower mould slider is moved by polished rod II along Y-direction；The handwheel of the one end of leading screw III is tuned, drift suspension bracket is moved along Y-direction；The handwheel of the one end of leading screw IV is tuned, makes slide unit II along X to moving；Regulation drift makes upper rivet model and lower rivet model centering, when the connector of large area is positioned and is placed near lower rivet model, realizes that the self-pierce riveting to optional position on connector connects.
Description
Technical field
The present invention relates to a kind of self-piercing riveting device and method of adjustable riveting mould position, belong to self-pierce riveting interconnection technique neck
Domain.
Background technology
At present in self-pierce riveting interconnection technique, because conventional rivet connection equipment self-piercing riveting can not realize that cecum rivets, riveting
The features such as rifle size, which limits instrument, can touch region in joint, and upper lower rivet model position is fixed, therefore connect for large area
Some riveting points on fitting, traditional self-pierce riveting equipment can not just be completed.
The content of the invention
The technical problem to be solved in the present invention is：The present invention provides self-piercing riveting equipment and the side of a kind of adjustable riveting mould position
Method, to solve for the larger connector of area, because traditional self-pierce riveting equipment can not realize that cecum rivets, the limitation of caulking gun size
The problem of instrument can touch the region in joint, and upper lower rivet model position the reason such as is fixed and can not riveted.
The technical scheme is that：A kind of self-piercing riveting equipment of adjustable riveting mould position, including U-shaped pedestal 1, floor 2, cunning
Platform I 3, screw mandrel I 4, polished rod I 5, handwheel 7, lower mould slider 8, lower rivet model 9, screw mandrel II 10, polished rod II 11, upper cover plate 13, drift are hung
Frame 15, holding screw 17, leading screw III 18, polished rod III 19, drift guide rail 21, slide unit II 22, leading screw IV 23, polished rod IV 24, sleeve
26th, drift 27, upper rivet model 28；
The screw mandrel I 4, screw mandrel II 10, screw mandrel III 18, the one end of screw mandrel IV 23 are respectively mounted handwheel 7, and two pieces of floors 2 are welded on U-shaped base
1 bottom of seat, is connected along X to floor 2 with slide unit I 3 by screw mandrel I 4, polished rod I 5, and slide unit I 3 can be along X to moving；Along Y-direction slide unit I 3
It is connected by screw mandrel II 10, polished rod II 11 with lower mould slider 8, lower mould slider 8 can move along Y-direction；Lower rivet model 9 is installed on lower mould and slided
On block 8, upper cover plate 13 is welded in the U-shaped upper surface of pedestal 1；Pass through leading screw III 18, polished rod III 19 and upper lid along Y-direction drift suspension bracket 15
Plate 13 connects, and drift suspension bracket 15 and its upper-part can move along Y-direction；Drift guide rail 21 is fixed on drift suspension bracket with holding screw 17
On 15, slide unit II 22 is connected with drift guide rail 21 along X to by leading screw IV 23, polished rod IV 24, and slide unit II 22 can be along X to shifting
Dynamic, drift 27 is interference fitted by screw thread and sleeve 26, and upper rivet model 28 is arranged on the lower end of drift 27.
Further, it is equal along X to I 3 diameters of opened hole I 6 of institute's opened hole I 6 on floor 2 and slide unit and one a pair
In.
Further, equal with the diameter of through hole II 12 in lower mould slider 8 along I 3 opened holes II 12 of Y-direction slide unit and difference
Centering.
Further, rectangular through-hole 14 is opened in the center of upper cover plate 13 along Z-direction, is opened along Y-direction upper cover plate 13
Through hole III 20 is equal with upper limb institute III 20 diameters of opened hole of drift suspension bracket 15 and distinguishes centering.
Further, tapped through hole 16 is opened at the back side of drift suspension bracket 15, and the side wall of drift guide rail 21 opens neck.
Further, institute's opened hole IV 25 and drift guide rail 21 are straight along X to institute's opened hole IV 25 on the slide unit II 22
Footpath is equal and distinguishes centering.
Wherein, as shown in figure 1, the bottom left and right directions of U-shaped pedestal 1 be X to, the U-shaped fore-and-aft direction of pedestal 1 be Y-direction, U-shaped base
1 vertical direction of seat is Z-direction.
A kind of self-piercing riveting method that adjustable riveting mould position is carried out using the said equipment, the handwheel 7 of the one end of screw mandrel I 4 is tuned,
Make slide unit I 3 can be by polished rod I 5 along X to moving；The handwheel 7 of the one end of screw mandrel II 10 is tuned, makes lower mould slider 8 can be by polished rod II
11 move along Y-direction；The handwheel 7 of the one end of leading screw III 18 is tuned, drift suspension bracket 15 and its upper-part is moved along Y-direction；Tune silk
The handwheel 7 of the one end of thick stick IV 23, make slide unit II 22 can be along X to moving；Regulation drift 27 makes upper rivet model 28 and the centering of lower rivet model 9, when
When the connector of large area being positioned and being placed near lower rivet model 9, the self-pierce riveting to optional position on connector can be achieved with
Connection.
The beneficial effects of the invention are as follows：The present invention's is upper, and lower rivet model can move in a big plane, expand riveting work
Zone of action, can be achieved to the self-piercing riveting of optional position on large area connector, self-pierce riveting interconnection technique will be promoted each
The extensive utilization of field of industrial production.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is U-shaped pedestal schematic diagram；
Fig. 3 is lower mould slider normal axomometric drawing；
Fig. 4 is the normal axomometric drawing of slide unit I；
Fig. 5 is upper cover plate normal axomometric drawing；
Fig. 6 is drift suspension bracket normal axomometric drawing；
Fig. 7 is drift guide rail normal axomometric drawing；
Fig. 8 is the normal axomometric drawing of slide unit II.
Each label in figure, 1-U types pedestal, 2- floors, 3- slide units I, 4- screw mandrels I, 5- polished rods I, 6- through holes I, 7- handwheels, 8-
Lower mould slider, 9- lower rivet models, 10- screw mandrels II, 11- polished rods II, 12- through holes II, 13- upper cover plates, 14- rectangular through-holes, 15- drifts
Suspension bracket, 16- tapped through holes, 17- holding screws, 18- leading screws III, 19- polished rods III, 20- through holes III, 21- drifts guide rail, 22- are slided
Platform II, 23- leading screws IV, 24- polished rods IV, 25- through holes IV, 26- sleeves, 27- drifts, 28- upper rivet models.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described.
Embodiment 1：As shown in figures 1-8, a kind of self-piercing riveting equipment of adjustable riveting mould position, including U-shaped pedestal 1, floor
2nd, slide unit I 3, screw mandrel I 4, polished rod I 5, handwheel 7, lower mould slider 8, lower rivet model 9, screw mandrel II 10, polished rod II 11, upper cover plate 13, punching
Head suspension bracket 15, holding screw 17, leading screw III 18, polished rod III 19, drift guide rail 21, slide unit II 22, leading screw IV 23, polished rod IV 24,
Sleeve 26, drift 27, upper rivet model 28；
The screw mandrel I 4, screw mandrel II 10, screw mandrel III 18, the one end of screw mandrel IV 23 are respectively mounted handwheel 7, and two pieces of floors 2 are welded on U-shaped base
1 bottom of seat, is connected along X to floor 2 with slide unit I 3 by screw mandrel I 4, polished rod I 5, and slide unit I 3 can be along X to moving；Along Y-direction slide unit I 3
It is connected by screw mandrel II 10, polished rod II 11 with lower mould slider 8, lower mould slider 8 can move along Y-direction；Lower rivet model 9 is installed on lower mould and slided
On block 8, upper cover plate 13 is welded in the U-shaped upper surface of pedestal 1；Pass through leading screw III 18, polished rod III 19 and upper lid along Y-direction drift suspension bracket 15
Plate 13 connects, and drift suspension bracket 15 and its upper-part can move along Y-direction；Drift guide rail 21 is fixed on drift suspension bracket with holding screw 17
On 15, slide unit II 22 is connected with drift guide rail 21 along X to by leading screw IV 23, polished rod IV 24, and slide unit II 22 can be along X to shifting
Dynamic, drift 27 is interference fitted by screw thread and sleeve 26, and upper rivet model 28 is arranged on the lower end of drift 27.
Further, it is equal along X to I 3 diameters of opened hole I 6 of institute's opened hole I 6 on floor 2 and slide unit and one a pair
In.
Further, equal with the diameter of through hole II 12 in lower mould slider 8 along I 3 opened holes II 12 of Y-direction slide unit and difference
Centering.
Further, rectangular through-hole 14 is opened in the center of upper cover plate 13 along Z-direction, is opened along Y-direction upper cover plate 13
Through hole III 20 is equal with upper limb institute III 20 diameters of opened hole of drift suspension bracket 15 and distinguishes centering.
Further, tapped through hole 16 is opened at the back side of drift suspension bracket 15, and the side wall of drift guide rail 21 opens neck.
Further, institute's opened hole IV 25 and drift guide rail 21 are straight along X to institute's opened hole IV 25 on the slide unit II 22
Footpath is equal and distinguishes centering.
A kind of self-piercing riveting method that adjustable riveting mould position is carried out using the said equipment, the handwheel 7 of the one end of screw mandrel I 4 is tuned,
Make slide unit I 3 can be by polished rod I 5 along X to moving；The handwheel 7 of the one end of screw mandrel II 10 is tuned, makes lower mould slider 8 can be by polished rod II
11 move along Y-direction；The handwheel 7 of the one end of leading screw III 18 is tuned, drift suspension bracket 15 and its upper-part is moved along Y-direction；Tune silk
The handwheel 7 of the one end of thick stick IV 23, make slide unit II 22 can be along X to moving；Regulation drift 27 makes upper rivet model 28 and the centering of lower rivet model 9, when
When the connector of large area being positioned and being placed near lower rivet model 9, the self-pierce riveting to optional position on connector can be achieved with
Connection.
Embodiment 2：As shown in figures 1-8, a kind of self-piercing riveting equipment of adjustable riveting mould position, including U-shaped pedestal 1, floor
2nd, slide unit I 3, screw mandrel I 4, polished rod I 5, handwheel 7, lower mould slider 8, lower rivet model 9, screw mandrel II 10, polished rod II 11, upper cover plate 13, punching
Head suspension bracket 15, holding screw 17, leading screw III 18, polished rod III 19, drift guide rail 21, slide unit II 22, leading screw IV 23, polished rod IV 24,
Sleeve 26, drift 27, upper rivet model 28；The screw mandrel I 4, screw mandrel II 10, screw mandrel III 18, the one end of screw mandrel IV 23 are respectively mounted reasonable chi
Very little handwheel 7, two floors 2 are welded on the U-shaped bottom of pedestal 1, along X to floor on I 3 opened holes I 6 of institute's opened hole I 6 and slide unit it is straight
Footpath is equal and centering one by one, is connected along X to floor 2 with slide unit I 3 by screw mandrel I 4, polished rod I 5, passes through screw mandrel I 4, polished rod I 5 is controlled
Slide unit I 3 processed along X to move；It is equal with the diameter of through hole II 12 in lower mould slider 8 along I 3 opened holes II 12 of Y-direction slide unit and point
Other centering, it is connected along Y-direction slide unit I 3 by screw mandrel II 10, polished rod II 11 with lower mould slider 8, passes through screw mandrel II 10, polished rod II 11
Adjust the moving along Y-direction of lower mould slider 8；Lower rivet model 9 is placed in lower mould slider 8.
The upper cover plate 13 is welded in the U-shaped upper surface of pedestal 1, and rectangular through-hole 14, upper cover plate are opened in its center along Z-direction
13 region of rectangular through-hole 14 it is equal with upper limb institute III 20 diameters of opened hole of drift suspension bracket 15 along Y-direction institute opened hole III 20 and
Centering respectively, upper cover plate 13 is connected along Y-direction by leading screw III 18, polished rod III 19 with drift suspension bracket 15, by leading screw III 18,
Polished rod III 19 adjusts drift suspension bracket 15 and its upper-part moving along Y-direction, the back side of drift suspension bracket 15 are opened tapped through hole 16, is used in combination
Drift guide rail 21 is fixed on drift suspension bracket 15 by holding screw 17, and the side wall of drift guide rail 21 is opened neck and coordinated with slide unit II 22,
Institute's opened hole IV 25 is equal along X to institute's IV 25 diameters of opened hole with drift guide rail 21 on slide unit II 22 and distinguishes centering, slide unit
II 22 are connected with drift guide rail 21 along X to by leading screw IV 23, polished rod IV 24, are slided by leading screw IV 23, the regulation of polished rod IV 24
Platform II 22 along X to move, drift 27 is coordinated by screw thread and sleeve 26, and upper rivet model 28 is arranged on the lower end of drift 27.This is adjustable
The self-piercing riveting method of riveting mould position：Device is fixed on required place entirely through foundation bolt, by tuning screw mandrel I
4th, respectively end handwheel 7 can adjust the operating position pair of lower rivet model 9 and upper rivet model 28 for screw mandrel II 10, screw mandrel III 18, screw mandrel IV 23
In, so as to realize that the self-pierce riveting to optional position on large-area planar connector connects.
The specific embodiment of the present invention is explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned reality
Example is applied, can also be on the premise of present inventive concept not be departed from those of ordinary skill in the art's possessed knowledge
Various changes can be made.
Claims (7)
- A kind of 1. self-piercing riveting equipment of adjustable riveting mould position, it is characterised in that：Including U-shaped pedestal（1）, floor（2）, slide unit I （3）, screw mandrel I（4）, polished rod I（5）, handwheel（7）, lower mould slider（8）, lower rivet model（9）, screw mandrel II（10）, polished rod II（11）, on Cover plate（13）, drift suspension bracket（15）, holding screw（17）, leading screw III（18）, polished rod III（19）, drift guide rail（21）, slide unit II （22）, leading screw IV（23）, polished rod IV（24）, sleeve（26）, drift（27）, upper rivet model（28）；The screw mandrel I（4）, screw mandrel II（10）, screw mandrel III（18）, screw mandrel IV（23）One end is respectively mounted handwheel（7）, two pieces of floors （2）It is welded on U-shaped pedestal（1）Bottom, along X to floor（2）With slide unit I（3）Pass through screw mandrel I（4）, polished rod I（5）Connection, slide unit I （3）Can be along X to moving；Along Y-direction slide unit I（3）Pass through screw mandrel II（10）, polished rod II（11）With lower mould slider（8）Connection, lower mould are slided Block（8）It can be moved along Y-direction；Lower rivet model（9）It is installed on lower mould slider（8）On, upper cover plate（13）It is welded in U-shaped pedestal（1）Upper table Face；Along Y-direction drift suspension bracket（15）Pass through leading screw III（18）, polished rod III（19）With upper cover plate（13）Connection, drift suspension bracket（15）And Its upper-part can move along Y-direction；Drift guide rail（21）Use holding screw（17）It is fixed on drift suspension bracket（15）On, slide unit II （22）With drift guide rail（21）Along X to passing through leading screw IV（23）, polished rod IV（24）Connection, slide unit II（22）Can along X to moving, Drift（27）Pass through screw thread and sleeve（26）Interference fit, upper rivet model（28）Installed in drift（27）Lower end.
- 2. the self-piercing riveting equipment of adjustable riveting mould position according to claim 1, it is characterised in that：Along X to floor（2）On Institute's opened hole I（6）With slide unit I（3）Institute's opened hole I（6）Diameter is equal and centering one by one.
- 3. the self-piercing riveting equipment of adjustable riveting mould position according to claim 1, it is characterised in that：Along Y-direction slide unit I（3） Institute's opened hole II（12）With lower mould slider（8）Upper through hole II（12）Diameter is equal and distinguishes centering.
- 4. the self-piercing riveting equipment of adjustable riveting mould position according to claim 1, it is characterised in that：The upper cover plate（13） Rectangular through-hole is opened along Z-direction in center（14）, along Y-direction upper cover plate（13）Institute's opened hole III（20）With drift suspension bracket（15） Upper limb institute opened hole III（20）Diameter is equal and distinguishes centering.
- 5. the self-piercing riveting equipment of adjustable riveting mould position according to claim 1, it is characterised in that：The drift suspension bracket （15）Open tapped through hole in the back side（16）, drift guide rail（21）Side wall opens neck.
- 6. the self-piercing riveting equipment of adjustable riveting mould position according to claim 1, it is characterised in that：The slide unit II （22）Upper institute's opened hole IV（25）With drift guide rail（21）Along X to institute's opened hole IV（25）Diameter is equal and distinguishes centering.
- 7. a kind of self-piercing riveting method that adjustable riveting mould position is carried out using any one of the claim 1-6 equipment, its feature It is：Tune screw mandrel I（4）The handwheel of one end（7）, make slide unit I（3）Polished rod I can be passed through（5）Along X to moving；Tune screw mandrel II （10）The handwheel of one end（7）, make lower mould slider（8）Polished rod II can be passed through（11）Moved along Y-direction；Tune leading screw III（18）One end Handwheel（7）, make drift suspension bracket（15）And its upper-part can move along Y-direction；Tune leading screw IV（23）The handwheel of one end（7）, make cunning Platform II（22）Can be along X to moving；Adjust drift（27）Make upper rivet model（28）With lower rivet model（9）Centering, when the connection large area Part positions and is placed on lower rivet model（9）When neighbouring, it can be achieved with the self-pierce riveting to optional position on connector and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710678332.9A CN107377787A (en) | 2017-08-10 | 2017-08-10 | A kind of self-piercing riveting device and method of adjustable riveting mould position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710678332.9A CN107377787A (en) | 2017-08-10 | 2017-08-10 | A kind of self-piercing riveting device and method of adjustable riveting mould position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107377787A true CN107377787A (en) | 2017-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710678332.9A Pending CN107377787A (en) | 2017-08-10 | 2017-08-10 | A kind of self-piercing riveting device and method of adjustable riveting mould position |
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|---|---|
| CN (1) | CN107377787A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246901A (en) * | 2018-03-28 | 2018-07-06 | 昆明理工大学 | A kind of self-piercing riveting device and method based on rectangular co-ordinate positioning |
| CN108500194A (en) * | 2018-05-04 | 2018-09-07 | 昆明理工大学 | A kind of adjustable throat depth self-piercing riveting device of electrichydraulic control |
| CN109175124A (en) * | 2018-09-07 | 2019-01-11 | 昆明理工大学 | A kind of coining attachment device and method based on numerical control positioning |
| CN110640031A (en) * | 2019-10-31 | 2020-01-03 | 福州大学 | Heating type electromagnetic rivet-free connecting device and working method |
| CN112439860A (en) * | 2020-10-16 | 2021-03-05 | 江苏云佳金属制品有限公司 | Automatic riveting driving and reversing machine of numerical control machine tool for plate processing |
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| CN201880843U (en) * | 2010-10-28 | 2011-06-29 | 深圳亿和模具制造有限公司 | Riveting operation device of servo plane system |
| CN102489986A (en) * | 2011-11-16 | 2012-06-13 | 燕山大学 | Dedicated automatic rolling riveting fixed machine tool for oscillating bearing |
| CN204365944U (en) * | 2014-09-29 | 2015-06-03 | 祥鑫科技股份有限公司 | Three axle rivet drivers |
| CN204975181U (en) * | 2015-10-08 | 2016-01-20 | 东莞太阳茂森精密金属有限公司 | Automatic duplex position riveting set |
| CN103252442B (en) * | 2013-05-31 | 2016-04-20 | 苏州瑞玛金属成型有限公司 | Communication cabinet cover plate rivet installation automation device |
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2017
- 2017-08-10 CN CN201710678332.9A patent/CN107377787A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201880843U (en) * | 2010-10-28 | 2011-06-29 | 深圳亿和模具制造有限公司 | Riveting operation device of servo plane system |
| CN102489986A (en) * | 2011-11-16 | 2012-06-13 | 燕山大学 | Dedicated automatic rolling riveting fixed machine tool for oscillating bearing |
| CN103252442B (en) * | 2013-05-31 | 2016-04-20 | 苏州瑞玛金属成型有限公司 | Communication cabinet cover plate rivet installation automation device |
| CN204365944U (en) * | 2014-09-29 | 2015-06-03 | 祥鑫科技股份有限公司 | Three axle rivet drivers |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246901A (en) * | 2018-03-28 | 2018-07-06 | 昆明理工大学 | A kind of self-piercing riveting device and method based on rectangular co-ordinate positioning |
| CN108246901B (en) * | 2018-03-28 | 2023-10-20 | 昆明理工大学 | Self-piercing riveting device and method based on rectangular coordinate positioning |
| CN108500194A (en) * | 2018-05-04 | 2018-09-07 | 昆明理工大学 | A kind of adjustable throat depth self-piercing riveting device of electrichydraulic control |
| CN109175124A (en) * | 2018-09-07 | 2019-01-11 | 昆明理工大学 | A kind of coining attachment device and method based on numerical control positioning |
| CN110640031A (en) * | 2019-10-31 | 2020-01-03 | 福州大学 | Heating type electromagnetic rivet-free connecting device and working method |
| CN112439860A (en) * | 2020-10-16 | 2021-03-05 | 江苏云佳金属制品有限公司 | Automatic riveting driving and reversing machine of numerical control machine tool for plate processing |
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Application publication date: 20171124 |
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