CN107598582B - Integrated equipment for nut self-piercing riveting closed roller - Google Patents
Integrated equipment for nut self-piercing riveting closed roller Download PDFInfo
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- CN107598582B CN107598582B CN201710793826.1A CN201710793826A CN107598582B CN 107598582 B CN107598582 B CN 107598582B CN 201710793826 A CN201710793826 A CN 201710793826A CN 107598582 B CN107598582 B CN 107598582B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 238000005096 rolling process Methods 0.000 claims abstract description 38
- 238000004080 punching Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 13
- 239000002184 metal Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
An integrated device for a nut self-piercing riveting closed-end rolling part comprises an uncoiler, a punching device, a nut self-piercing riveting device, a servo feeding device and a pit which are sequentially arranged in front of a rolling forming device; the steel belt is firstly punched by a punching device after being released by an uncoiler, the punched steel belt enters a nut self-piercing riveting device to finish multi-nut self-piercing riveting, the steel belt with the nuts pierced and riveted is conveyed to a rolling forming device through a pit, rolled into a closed shape, then a welding device is used for welding gaps, and the on-line processing of the nut self-piercing riveting closed roller is finished after the steel belt is cut off by a cutting device. The beneficial effects of the invention are as follows: 1. the nuts are subjected to online self-piercing riveting, then roll forming is carried out, and the product is obtained after the rolling forming, so that the conversion of product pieces among working procedures is reduced, the labor intensity of workers is reduced, and the production efficiency is improved; 2. the nut self-piercing riveting device has higher automation degree and reliable product quality; 3. the application range of the nut riveting process is widened.
Description
Technical Field
The invention relates to a rolling device, in particular to an integrated device for a nut self-piercing riveting closed rolling piece.
Background
With the development of the automobile industry, the requirements of the whole automobile factory on the forming and connecting process of the automobile sheet metal parts are continuously improved. The punching and riveting process is rapidly developed as an important connecting mode of sheet metal parts. The punching and riveting process is realized by pressing down the nut through the pressing head, punching the nut on the material belt by taking the nut as a punching tool, and fixing the nut on the material belt through plastic deformation of the material belt after the punching is finished, so as to realize riveting of the nut and the material belt. Currently, nuts are arranged on metal rolling parts, and after rolling products are taken off line, the nuts are spot welded or rivet-pulled manually or by a robot. Both off-line rivet nuts suffer from problems, one of which is spot welding: the spot welding is applicable to the nut and is located the product piece outside, leads to the nut to outstanding product piece outside, can not paste tightly with other pieces and be connected, can not satisfy the requirement of partial product. In addition, the spot welding mode is adopted for riveting, so that the investment is large, and the process is complicated. Secondly, riveting: the pull riveting is suitable for open products, and for single-piece multi-nut products, the labor intensity of off-line riveting workers is high, and the efficiency is low; and is not suitable for closed products. In addition, the off-line riveting nut of the rolled piece has the problem of being unfavorable for product quality control.
Disclosure of Invention
The invention aims at solving the defects of the prior art and provides integrated equipment for a nut self-piercing riveting closed rolling piece, which can finish steel band piercing, nut self-piercing riveting, rolling forming, welding and cutting processing on line.
The problems of the invention are solved by the following technical proposal:
the integrated equipment for the nut self-piercing riveting closed rolling part comprises a rolling forming device, a welding device, a cutting device, an uncoiler, a punching device, a nut self-piercing riveting device, a servo feeding device and a pit, wherein the rolling forming device, the welding device and the cutting device are sequentially arranged; the steel belt is firstly punched by a punching device after being released by an uncoiler, the punched steel belt enters a nut self-piercing riveting device to finish multi-nut self-piercing riveting, the steel belt with the nuts pierced and riveted is conveyed to a rolling forming device through a pit, rolled into a closed shape, then a welding device is used for welding gaps, and the on-line processing of the nut self-piercing riveting closed roller is finished after the steel belt is cut off by a cutting device.
The integrated equipment for the nut self-piercing riveting closed-end rolling part comprises a riveting rack, an oil cylinder, an upper die mechanism, a lower die mechanism and a vibration disc;
The upper die mechanism comprises an upper die plate, a connecting plate and a pressing plate, wherein the upper die plate is connected with an oil cylinder through a sliding block, the connecting plate is connected with the upper die plate through a partition plate, a punch mounting plate is arranged at the lower part of the connecting plate, the punch mounting plate is provided with a plurality of punches, each punch is in sliding fit with the punch mounting plate, the pressing plate is positioned at the lower part of the connecting plate, and the pressing plate is in floating connection with the connecting plate;
The lower die mechanism comprises a lower die holder, a lower die plate, nut conveying strip mounting plates, female dies and a material supporting plate, wherein the lower die holder is fixed with a riveting frame, the lower die plate is fixed on the upper part of the lower die holder, the nut conveying strip mounting plates are fixed with the lower die plate through vertical plates, each nut conveying strip mounting plate is provided with a plurality of nut conveying strips, the tail ends of each nut conveying strip correspond to one punch respectively, the female dies are arranged on the lower parts of the nut conveying strip mounting plates, and each female die corresponds to one punch respectively; the material supporting plate is fixed on the lower die plate and corresponds to the material pressing plate up and down.
The vibration discs are arranged on the upper portion of the riveting frame, each vibration disc is provided with 1-2 discharge grooves, each discharge groove is connected with a nut conveying pipe, and each nut conveying pipe is connected with a nut conveying strip.
According to the integrated equipment for the nut self-piercing riveting closed rolling part, the nitrogen cylinders are arranged on the upper parts of the connecting plates, and the output ends of the nitrogen cylinders are respectively pressed on the top of one punch.
Above-mentioned integrated equipment for nut self-piercing riveting closed roller casting die, the pressure flitch sets up three, and the area of the pressure flitch that is located the middle part is greater than the area that is located both sides pressure flitch.
According to the integrated equipment for the nut self-piercing riveting closed rolling part, the two ends of the lower die plate are respectively provided with the pair of steel belt guide wheels.
According to the integrated equipment for the nut self-piercing riveting closed-end rolling part, four sets of vibration discs are arranged, each vibration disc is respectively arranged at four corners of the upper part of a riveting machine frame, and each vibration disc is provided with two discharge grooves; the punch mounting plates are two, and each punch mounting plate is provided with four punches; the nut conveying strip mounting plates are two, and four nut conveying strips are arranged on each nut conveying strip mounting plate.
According to the integrated equipment for the nut self-piercing riveting closed rolling part, the guide sleeves are arranged at the four corners of the connecting plate, the guide posts are arranged at the four corners of the lower die plate at positions corresponding to the guide sleeves, and the guide posts are in sliding fit with the guide sleeves.
The integrated equipment for the nut self-piercing riveting closed rolling part is characterized in that the front part of the riveting frame is provided with two mould moving frames side by side.
Above-mentioned integrated equipment that is used for nut self-piercing riveting to close roller casting die sets up the nut groove of stepping down respectively on servo material feeding unit's the feed roll and the roll-in roller of roll-in forming device.
The invention aims at solving the problem of online nut riveting of a rolling piece, and the integrated equipment comprises a punching device, a nut self-piercing riveting device and a rolling device, wherein the nut is stamped and riveted on a steel belt in an online self-piercing riveting mode, and then a closed rolling product piece is formed through procedures such as rolling, welding, cutting and the like. The beneficial effects of the invention are as follows: 1. the nuts are subjected to online self-piercing riveting, then roll forming is carried out, and the product is obtained after the rolling forming, so that the conversion of product pieces among working procedures is reduced, the labor intensity of workers is reduced, and the production efficiency is improved; 2. the nut self-piercing riveting device automatically completes the process from the screening and conveying of nuts to the riveting, and has high automation degree and reliable product quality; 3. the multiple nuts can be punched and riveted in the cavity of the closed metal pipe fitting through an online nut self-punching riveting process, so that the application range of the nut riveting process is expanded.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic illustration of the present invention;
FIG. 2 is a schematic structural view of a nut self-piercing riveting device;
FIG. 3 is a schematic view of the structure of the upper die mechanism;
FIG. 4 is a schematic view of the structure of the lower die mechanism;
FIG. 5 is a schematic structural view of the female die;
fig. 6 is a schematic diagram of the punch riveting process.
The reference numerals in the figures are: 1. the device comprises an uncoiler, 2, a punching device, 3, a nut self-piercing riveting device, 4, a servo feeding device, 5, a pit, 6, a roll forming device, 7, a welding device, 8, a cutting device, 9, a riveting rack, 10, a steel belt, 11, a nut conveying pipe, 12, a vibration disc, 12-1, a discharge chute, 13, an oil cylinder, 14, an upper die mechanism, 14-1, an upper die plate, 14-2, a connecting plate, 14-3, a nitrogen cylinder, 14-4, a guide sleeve, 14-5, a pressing plate, 14-6, a punch, 14-7, a punch mounting plate, 14-8, a spring, 14-9, a partition plate, 15, a lower die mechanism, 15-1, a lower die holder, 15-2, a lower die plate, 15-3, a steel belt guide wheel, 15-4, a material supporting plate, 15-5, a nut conveying strip mounting plate, 15-6, a nut conveying strip, 15-7, a vertical plate, 15-8, a guide post, 15-9, a female die, 16, a die frame, 17 and a nut.
Detailed Description
Referring to fig. 1, the invention sequentially comprises an uncoiler 1, a punching device 2, a nut self-piercing riveting device 3, a servo feeding device 4, a pit 5, a roll forming device 6, a welding device 7 and a cutting device 8 from left to right according to the running direction of a steel belt. The invention takes a steel belt as a pressing material, and processes a closed-end rolling part with a self-piercing riveting nut on line, and the working process is as follows: firstly punching by a punching device according to the requirement of a product piece after the steel belt is released by an uncoiler; the punched steel strip enters a nut self-piercing riveting device, and a plurality of nuts are self-piercing riveted on the steel strip according to the requirements of product pieces in the nut self-piercing riveting device; the servo feeding device finishes feeding and stopping of the steel belt; the steel strip with the nuts punched and riveted enters a pit for temporary storage; conveying the steel strip punched with the nuts to a roll forming device, and rolling into a required closed shape; the welding device welds the gap of the rolling piece; the cutting device cuts off according to the product piece length, and the product is obtained after the cutting device is off line.
The key improvement of the invention is that a nut self-piercing riveting device is designed, the nut self-piercing riveting device is utilized to self-piercing rivet nuts on a steel strip, and then the steel strip is rolled. The nut self-piercing riveting device can pierce and rivet a plurality of nuts at one time, has high working efficiency and reliable riveting quality, and can enable the nuts to be positioned in the closed-end rolling piece. Referring to fig. 2, the nut self-piercing riveting device includes a riveting frame 9, an oil cylinder 13, an upper die mechanism 14, a lower die mechanism 15, and a vibration plate 12. The cylinder is the power of the punching and riveting nut, the cylinder is arranged at the top of the riveting frame, the cylinder drives the upper die mechanism to act through the sliding block, and the upper die mechanism and the lower die mechanism jointly rivet the conveyed in-place punching and riveting on the steel belt. The transport of the nuts is done by means of a vibrating disc and a nut transport pipe 11. Two mould moving frames are arranged side by side at the front part of the riveting frame, and the mould moving frames 16 are used for replacing moulds.
Referring to fig. 3, the upper die mechanism is provided with an upper die plate 14-1, a partition plate 14-9, a connecting plate 14-2, a pressing plate 14-5 and a punch mounting plate 14-9 in this order from top to bottom. The upper die plate is connected with the oil cylinder through the sliding block to drive the upper die mechanism to move up and down. The connecting plate is connected with the upper template through the partition plates 14-9, one side or two sides of the lower part of the connecting plate are respectively fixedly connected with the punch mounting plates 14-7, each punch mounting plate is provided with a plurality of punches 14-6, the number and the distribution of the punches are determined according to the number and the distribution state of the punched and riveted nuts, and each punch is in sliding fit with each punch mounting plate. In the illustrated embodiment, the number of the punch mounting plates is two, four punches are assembled on each punch mounting plate, and self-piercing riveting of eight nuts can be completed at a time. The pressing plate is arranged at the lower part of the connecting plate, and the pressing plate and the connecting plate form floating connection through a spring 14-8 and a discharging screw (not shown). In the illustrated embodiment, three pressing plates are arranged, and the area of the pressing plate positioned in the middle is larger than that of the pressing plates positioned at two sides. The upper part of the connecting plate is provided with the nitrogen cylinders 14-3, and the output ends of the nitrogen cylinders are respectively pressed at the top of one punch, so that the structure can realize buffer contact when the punch punches a nut. In the illustrated embodiment, eight punches are provided with nitrogen cylinders with the same number, four nitrogen cylinders are arranged on each side of the upper part of the connecting plate in two layers, and the nitrogen cylinders positioned on the upper layer touch and press the punches through the connecting rod.
Referring to fig. 4 and 5, a lower die mechanism is arranged in the middle of the riveting frame, and the lower die mechanism is sequentially provided with a lower die holder 15-1, a lower die plate 15-2, a female die 15-9, a nut conveying strip mounting plate 15-5 and a material supporting plate 15-4 from bottom to top. The lower die holder is fixed with the riveting frame, the lower die plate is fixed on the upper part of the lower die holder, two nut conveying strip mounting plates are fixed with the lower die plate through vertical plates 17, each nut conveying strip mounting plate is respectively provided with four nut conveying strips 15-6, and the tail end positions of the nut conveying strips respectively correspond to a punch. The female dies are fixed at the lower part of the nut conveying strip mounting plate, and each female die corresponds to the position of one punch. The material supporting plate is fixed on the lower die plate, corresponds to the material pressing plate up and down, and clamps and fixes the steel belt together when the upper die plate is pressed down. Two ends of the lower template are respectively provided with a pair of steel belt guide wheels 15-3 for guiding the steel belt to move.
Guide sleeves 14-4 are arranged at four corners of the connecting plate, guide posts 15-8 are arranged at positions of the four corners of the lower template corresponding to the guide sleeves, and the guide posts are in sliding fit with the guide sleeves.
Referring to fig. 2 and 6, vibration plates for arranging nuts are installed at the upper part of the riveting frame, four vibration plates are arranged in the illustrated embodiment, each vibration plate is installed at four corners of the upper part of the riveting frame, each vibration plate is provided with two discharge grooves 12-1, each discharge groove is connected with a nut conveying pipe 11, and the nut conveying pipe is connected with a nut conveying strip 15-6. Nuts arranged through the vibration disc are conveyed to the nut conveying strip along the nut conveying pipe under the action of gravity, and nuts 17 in the nut conveying strip sequentially enter riveting positions of the corresponding female die and the punch.
The working process of the nut self-piercing riveting device is as follows: the steel belt is conveyed to a nut self-piercing riveting device through a servo feeding device; nuts are sequenced through the vibration disc and are conveyed to the nut conveying strip through the nut conveying pipe; the oil cylinder drives the upper die mechanism to move downwards, and the steel belt is pressed on the material supporting plate by the material pressing plate; the punch is punched into the nut positioned at the riveting punching position of the nut conveying strip along with the downward movement of the upper die mechanism, the nut is pressed onto the steel belt, the nut is contacted with the female die along with the downward movement of the upper die mechanism, the steel belt is punched through, and the nut is pressed into the steel belt; the upper die mechanism moves upwards, and the process of riveting the nut at one time is completed.
The punching device of the invention is the existing equipment. The nut is riveted first and then rolled in the processing process, so that the existing servo feeding device and rolling forming device are partially improved, namely, the feeding roller of the servo feeding device and the rolling roller of the rolling forming device are respectively provided with a nut abdication groove, the position of the nut abdication groove is determined according to the position of the punching rivet nut on the steel belt, and the width and the depth of the nut abdication groove are slightly larger than the width and the thickness of the nut.
Claims (8)
1. The utility model provides an integration equipment for nut self-piercing riveting roll casting that closes, includes roll forming device (6), welding set (7) and cutting device (8) that set gradually, its characterized in that: the automatic rolling machine further comprises an uncoiler (1), a punching device (2), a nut self-piercing riveting device (3), a servo feeding device (4) and a pit (5) which are sequentially arranged in front of the rolling forming device; the steel strip (10) is firstly punched by a punching device after being released by an uncoiler, the punched steel strip enters a nut self-piercing riveting device to finish multi-nut self-piercing riveting, the steel strip with the nuts pierced by the punching is conveyed to a rolling forming device through a pit, rolled into a closed shape, then a welding device is used for welding gaps, and the on-line processing of the nut self-piercing riveting closed rolling part is finished after the steel strip is cut off by a cutting device;
The nut self-piercing riveting device comprises a riveting rack (9), an oil cylinder (13), an upper die mechanism (14), a lower die mechanism (15) and a vibration disc (12);
The upper die mechanism comprises an upper die plate (14-1), a connecting plate (14-2) and a pressing plate (14-5), wherein the upper die plate is connected with an oil cylinder through a sliding block, the connecting plate is connected with the upper die plate through a baffle plate (14-9), a punch mounting plate (14-7) is arranged at the lower part of the connecting plate, a plurality of punches (14-6) are assembled on the punch mounting plate, each punch is in sliding fit with the punch mounting plate, the pressing plate is positioned at the lower part of the connecting plate, and the pressing plate is in floating connection with the connecting plate; the material pressing plate and the connecting plate form floating connection through a spring (14-8) and a discharging screw;
The lower die mechanism comprises a lower die holder (15-1), a lower die plate (15-2), nut conveying strip mounting plates (15-5), female dies (15-9) and a material supporting plate (15-4), wherein the lower die holder is fixed with a riveting frame, the lower die plate is fixed on the upper part of the lower die holder, the nut conveying strip mounting plates are fixed with the lower die plate through vertical plates, each nut conveying strip mounting plate is respectively provided with a plurality of nut conveying strips (15-6), the tail ends of each nut conveying strip respectively correspond to one punch, the lower parts of the nut conveying strip mounting plates are provided with female dies, and each female die respectively corresponds to one punch; the material supporting plate is fixed on the lower template and corresponds to the material pressing plate up and down;
The vibrating discs are arranged at the upper part of the riveting rack, each vibrating disc is provided with 1-2 discharging grooves (12-1) respectively, each discharging groove is connected with a nut conveying pipe (11), and each nut conveying pipe is connected with a nut conveying strip (15-6);
The working process of the nut self-piercing riveting device is as follows: the steel belt is conveyed to a nut self-piercing riveting device through a servo feeding device, an oil cylinder drives an upper die mechanism to move downwards, and a material pressing plate compresses the steel belt on a material supporting plate; the punch drives the nut positioned at the riveting and punching position of the nut conveying strip to move downwards along with the downward movement of the upper die mechanism, the nut is pressed onto the steel belt, and the nut is contacted with the female die along with the downward movement of the upper die mechanism, so that the steel belt is punched thoroughly and pressed into the steel belt; the upper die mechanism moves upwards, and the process of riveting the nut at one time is completed.
2. The integrated apparatus for nut self-piercing riveting closed-end roll as defined in claim 1, wherein: the upper part of the connecting plate is provided with nitrogen cylinders (14-3), and the output ends of the nitrogen cylinders are respectively pressed at the top of a punch.
3. The integrated apparatus for nut self-piercing riveting closed-end roll as defined in claim 1, wherein: the three pressing plates are arranged, and the area of the pressing plate positioned in the middle is larger than that of the pressing plates positioned at the two sides.
4. The integrated apparatus for nut self-piercing riveting closed-end roll as defined in claim 1, wherein: two ends of the lower template are respectively provided with a pair of steel belt guide wheels (15-3).
5. The integrated apparatus for nut self-piercing riveting closed-end roll as defined in claim 1, wherein: four sets of vibration discs are arranged, each vibration disc is respectively arranged at four corners of the upper part of the riveting rack, and each vibration disc is provided with two discharge grooves; the punch mounting plates are two, and each punch mounting plate is provided with four punches; the nut conveying strip mounting plates are two, and four nut conveying strips are arranged on each nut conveying strip mounting plate.
6. The integrated apparatus for nut self-piercing riveting closed-end roll as defined in claim 1, wherein: guide sleeves (14-4) are arranged at four corners of the connecting plate, guide posts (15-8) are arranged at positions of the four corners of the lower template corresponding to the guide sleeves, and the guide posts are in sliding fit with the guide sleeves.
7. The integrated apparatus for nut self-piercing riveting closed-end roll as defined in claim 1, wherein: two mould moving frames (16) are arranged in parallel at the front part of the riveting frame.
8. The integrated apparatus for nut self-piercing riveting closed-end roll as defined in claim 1, wherein: nut abdicating grooves are respectively arranged on a feeding roller of the servo feeding device and a rolling roller of the rolling forming device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793826.1A CN107598582B (en) | 2017-09-06 | 2017-09-06 | Integrated equipment for nut self-piercing riveting closed roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793826.1A CN107598582B (en) | 2017-09-06 | 2017-09-06 | Integrated equipment for nut self-piercing riveting closed roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107598582A CN107598582A (en) | 2018-01-19 |
| CN107598582B true CN107598582B (en) | 2024-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710793826.1A Active CN107598582B (en) | 2017-09-06 | 2017-09-06 | Integrated equipment for nut self-piercing riveting closed roller |
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| Country | Link |
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| CN (1) | CN107598582B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625016A (en) * | 2019-09-23 | 2019-12-31 | 顺普汽车零部件（中国）有限公司 | Processing method of closed rolled section with punched and riveted nuts integrated on inner surface |
| CN113997038B (en) * | 2021-11-12 | 2023-04-07 | 苏州施米特机械有限公司 | Self-piercing riveting die and self-piercing riveting equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930311A (en) * | 2004-01-20 | 2007-03-14 | 普尔曼工业公司 | Method and apparatus for the continuous fabrication of shaped metal articles |
| CN102009103A (en) * | 2010-10-27 | 2011-04-13 | 襄樊东昇机械有限公司 | Continuous punching and nut riveting device for automobile door lock catch |
| CN204035377U (en) * | 2014-09-29 | 2014-12-24 | 苏州鑫睿达精密机械有限公司 | A kind of by riveting set in the mould of nut riveting on automotive safety seat |
| CN207464678U (en) * | 2017-09-06 | 2018-06-08 | 凌云工业股份有限公司 | A kind of nut self-piercing riveting machine for rolling parts integrated equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100478119C (en) * | 2007-03-22 | 2009-04-15 | 南京赛彤铁路电气化有限公司 | Making process of stainless steel belt for composite aluminium-steel contact rail |
| KR20110131826A (en) * | 2010-05-31 | 2011-12-07 | 주식회사 성우하이텍 | Self Piercing Rivets |
| CN102274896B (en) * | 2011-07-14 | 2013-03-13 | 浙江理工大学 | Multi-station punching/assembling composite die |
| CN103600017B (en) * | 2013-11-25 | 2015-09-02 | 吉林大学 | Between ultra-high strength steel plate or with the self-piercing riveting device of aluminium alloy plate |
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2017
- 2017-09-06 CN CN201710793826.1A patent/CN107598582B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930311A (en) * | 2004-01-20 | 2007-03-14 | 普尔曼工业公司 | Method and apparatus for the continuous fabrication of shaped metal articles |
| CN102009103A (en) * | 2010-10-27 | 2011-04-13 | 襄樊东昇机械有限公司 | Continuous punching and nut riveting device for automobile door lock catch |
| CN204035377U (en) * | 2014-09-29 | 2014-12-24 | 苏州鑫睿达精密机械有限公司 | A kind of by riveting set in the mould of nut riveting on automotive safety seat |
| CN207464678U (en) * | 2017-09-06 | 2018-06-08 | 凌云工业股份有限公司 | A kind of nut self-piercing riveting machine for rolling parts integrated equipment |
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| CN107598582A (en) | 2018-01-19 |
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