CN102615240B - Rivet forming machine - Google Patents
Rivet forming machine Download PDFInfo
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- CN102615240B CN102615240B CN201210108854.2A CN201210108854A CN102615240B CN 102615240 B CN102615240 B CN 102615240B CN 201210108854 A CN201210108854 A CN 201210108854A CN 102615240 B CN102615240 B CN 102615240B
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Abstract
The invention relates to a rivet forming machine comprising a machine seat. A stander is provided with a worktable surface, the worktable surface is provided with a rivet rod vibration disk and a rivet cap vibration disk, and rivet rods and rivet caps are arranged in sequence for conveying. The rivet forming machine also comprises a plunger chip seat and a die seat. An upper die cavity and a lower die cavity are arranged in the die seat for initial forming and final forming. The plunger chip seat is provided with an upper plunger chip and a lower plunger chip. When the rivet forming machine is in use, the rivet rods are firstly punched into the upper plunger chip, then the rivet caps are hit to the upper die cavity for the initial forming by the upper plunger chip through the rivet rods, an initially formed workpiece is taken out by the lower plunger chip subsequently, and then the workpiece is hit into the lower die cavity for the final forming. The invention provides a special device used for rivet forming, so that the production efficiency of rivets is greatly improved.
Description
(1) technical field
The present invention relates to a kind of rivet forming machine.
(2) background technology
The rivet being comprised of nail bar and the head of a nail is when moulding, and in the time of following closely bar and head of a nail combination in prior art, operation is very complicated, needs multiple working procedure, and production efficiency is lower.It is cylindric that the head of a nail is, an end opening and the opening formation cavity that extends internally, and nail bar comprises the nail tail of shaft and shaft afterbody, nail tail comparatively expands.Also there is no at present a kind of equipment that is specifically designed to rivet moulding.
(3) summary of the invention
In view of also there is no a kind of equipment that is specifically designed to rivet moulding in prior art, the invention provides a kind of rivet forming machine that is specifically designed to moulding rivet.
The technical scheme that the present invention solves its technical problem is: a kind of rivet forming machine, comprise support, described support has a work top, described work top is provided with die holder, in described die holder, be provided with mould and compacted under mould, described upper mould has the upper cavity for first one-step forming rivet, described compacted under mould has the lower mode cavity for the rivet of shaping, described upper cavity is provided with die orifice in the inner side of described die holder, described lower mode cavity is provided with lower die orifice in the inner side of described die holder, described lower die orifice be positioned at described upper die orifice under,
On described work top, be also provided with head of a nail vibrating disk and nail bar vibrating disk, the inwall of described head of a nail vibrating disk is provided with spiralling pin cap rising shelf, the inwall of described nail bar vibrating disk is provided with spiralling nail bar rising shelf, the rear portion of described pin cap rising shelf is provided with breach, the rear portion of described nail bar rising shelf is provided with and hangs seam, the shaft that described extension seam allows nail bar by and do not allow the afterbody of following closely bar to pass through;
Also comprise by upper and send nail track and from what have a down dip, send cap track by upper from what have a down dip, the described front end that send nail track is connected with the end of described pin cap rising shelf, described send nail track to offer to send nail seam, described send shaft that nail seam allows nail bar by and do not allow the afterbody of following closely bar to pass through, thereby described in send nail bar nail tail that the vertical layout of afterbody of nail track makes end outwardly; Describedly send cap track to be provided with to send cap passage, thereby the head of a nail opening that the described vertical layout in the rear portion of sending cap passage makes end inwardly;
The upper end of described die holder is provided with the nail-plate that send that can laterally move left and right, the described nail-plate that send is connected with driving its nail driving mechanism that send moving, this send nail-plate to be provided with nail groove longitudinal and nail bar adaptation, described in send the lower end of nail track to be against the described lower end of sending nail groove described on nail-plate and under reset condition to send nail track described in aiming at; The inner side of described die holder is provided with the cap seat that falls that is positioned at described upper die orifice right side, in the described cap seat that falls, be provided with the cap passage that falls of up/down perforation, the described lower end of cap track of sending is connected with the described cap passage that falls, described fall the below of cap passage be glued with can laterally move left and right send cap plate, the described cap plate that send is connected with driving its cap driving mechanism that send moving, the described head that send cap plate is provided with and connects clevis, and under reset condition, described fall described in the aiming at lower end of cap passage and this of clevis that connect connects clevis and can be sent to and aim at described upper die orifice;
There is punch holder the inner side of described die holder, on described support, be laterally equipped with bent axle, described bent axle is connected with driving mechanism, and described bent axle is provided with connecting rod, thus described connecting rod and described punch holder hinged make this punch holder can near or away from described die holder; Above-mentioned upper punch and the low punch being positioned under described upper punch of being provided with of lateral surface of described punch holder, described upper punch is provided with axial upper jack, described low punch has axial lower jack, and the distance between described upper jack and lower jack equals the distance between die orifice and lower die orifice;
The below of described punch holder is also provided with connected for driving the punch holder elevating mechanism of punch holder lifting;
The left end of described bent axle is provided with the first cam and the second cam, and also, comprising the first lance, the second lance, the head of described the first lance contacts with the first described cam, and the head of described the second lance contacts with the second described cam; In described die holder, be also laterally hinged with first hit material bar and second hit material bar, the described first head that hits material bar coordinates with the afterbody of described the first lance, the described first afterbody that hits material bar is aimed at described upper cavity, the described second head that hits material bar coordinates with the afterbody of described the second lance, and the described second afterbody that hits material bar is aimed at described lower mode cavity;
On the first described lance or on the second lance, be also provided with the 3rd lance, on described die holder, be also laterally hinged with the 3rd and hit material bar, the described the 3rd head that hits material bar coordinates with the afterbody of described the 3rd lance, and the described the 3rd afterbody that hits material bar coordinates with described nail groove.
Further, consisting of of described punch holder elevating mechanism: the right-hand member of described bent axle is provided with driving gear, and described driving gear engages with a driven gear, is equipped with camshaft in described support, and described driven gear and described camshaft are in transmission connection; Described camshaft is provided with lifter cam, described lifter cam and the touching of the bottom surface of described punch holder.
Further, on described driven gear, Eccentric-hinge is connected to pitman shaft, is also hinged with rocking bar on described pitman shaft, and the right-hand member of described camshaft is connected with described rocking bar.
The present invention also has following additional technical feature:
The described head that send cap plate is provided with arc-like sheet, one end of described arc-like sheet with described in send cap plate downside by hinge, hinged and hinge is provided with two ends and is against respectively on arc-like sheet and send the torsion spring on cap plate, the arc-like sheet of the other end with described in send the head end of cap plate to form the described clevis that connects.
The width of the breach on described pin cap rising shelf is greater than the external diameter of described pin cap, and the central authorities of described breach are provided with parting bead, and described parting bead is divided into two points of breach by described breach, and the width of each point of breach is all less than the external diameter of described pin cap.
The present invention in use, is placed in nail bar in nail bar vibrating disk, and the head of a nail is placed in head of a nail vibrating disk.The vibration of nail bar vibrating disk, the vibration of head of a nail vibrating disk, follow closely bar and rise along nail bar rising shelf, and the head of a nail rises along head of a nail rising shelf.When the head of a nail is sent to the rear portion of pin cap rising shelf, if the openend of the head of a nail down, pin cap can fall down in indentation, there, if the openend of pin cap upward, pin cap can pass through this breach smoothly, by the pin cap after breach, is entered into and is sent in cap passage.When nail bar is sent to the rear portion of shank rising shelf, the nail body of nail bar is inserted into be hung in seam, thereby nail bar is stitched and is hung on nail bar rising shelf by extension, then be sent to and send nail track, sending on nail track, same nail body is inserted into and send in nail seam, thereby nail bar is by sending nail seam to hang over described sending on nail track.
The head of a nail is sent to and falls into the falling in cap passage of cap seat after the end that send cap passage, and finally drops on and connect in clevis; When nail bar is sent to the end that send nail track, the nail bar of end drops in the nail groove that send nail-plate.Now the upper jack of the upper punch in punch holder is aimed at and near nail groove, and afterwards under the effect of the first cam or the second cam, the 3rd lance drives the 3rd to hit material bar and will in nail groove, follow closely in the upper jack of upper punch that bar is driven into punch holder.Then punch holder retreats and declines, the upper punch of the punch holder that is is aimed at the upper die orifice of die holder, send simultaneously cap driving mechanism will send the head feeding of cap plate to connecing clevis, aim at upper die orifice, thereby punch holder moves ahead and will in the nail bar insertion head of a nail and by the head of a nail, head into and in upper die orifice, carry out one-shot forming afterwards; Completing this action backlash headstock again retreats and rises, make the low punch in punch holder aim at upper die orifice, then punch holder moves ahead again, now upper punch is aimed at nail groove, the 3rd hits material bar follows closely nail in groove in the upper jack that bar is driven into upper punch again, and now under the effect of the first cam first lance drive first hit material bar the workpiece in upper cavity is got, thereby the shaft of following closely bar is inserted in the lower jack of low punch; Afterwards drift retreat and lower will, until upper punch is aimed at upper die orifice, low punch is aimed at lower die orifice, after again move ahead, thereby again complete one-shot forming, and through one-time formed workpiece, headed into and in lower die orifice, carried out post forming.After post forming completes under the effect of the second cam second lance drive second hit material bar the complete workpiece of moulding in upper cavity is got, thereby complete rivet forming process.Above-mentioned steps forms a circulation, the suitability for industrialized production of having gone round and begun again rivet.
Beneficial effect of the present invention is: a kind of equipment that is specifically designed to rivet moulding is provided, has greatly improved the production efficiency of rivet.
(4) accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
(5) specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
With reference to Fig. 1, a kind of rivet forming machine, comprise support, described support has a work top, described work top is provided with die holder 1, in described die holder 1, be provided with mould and compacted under mould, described upper mould has the upper cavity for first one-step forming rivet, described compacted under mould has the lower mode cavity for the rivet of shaping, described upper cavity is provided with die orifice in the inner side of described die holder, described lower mode cavity is provided with lower die orifice in the inner side of described die holder, described lower die orifice be positioned at described upper die orifice under.
On described work top, be also provided with head of a nail vibrating disk and nail bar vibrating disk, the inwall of described head of a nail vibrating disk is provided with spiralling pin cap rising shelf, the inwall of described nail bar vibrating disk is provided with spiralling nail bar rising shelf, the rear portion of described pin cap rising shelf is provided with breach, the rear portion of described nail bar rising shelf is provided with and hangs seam, the shaft that described extension seam allows nail bar by and do not allow the afterbody of following closely bar to pass through.The width of the breach on the cap of pin described in the present embodiment rising shelf is greater than the external diameter of described pin cap, and the central authorities of described breach are provided with parting bead, and described parting bead is divided into two points of breach by described breach, and the width of each point of breach is all less than the external diameter of described pin cap.
Also comprise by upper and send nail track and from what have a down dip, send cap track by upper from what have a down dip, the described front end that send nail track is connected with the end of described pin cap rising shelf, described send nail track to offer to send nail seam, described send shaft that nail seam allows nail bar by and do not allow the afterbody of following closely bar to pass through, thereby described in send nail bar nail tail that the vertical layout of afterbody of nail track makes end outwardly; Describedly send cap track to be provided with to send cap passage, thereby the head of a nail opening that the described vertical layout in the rear portion of sending cap passage makes end inwardly.
The upper end of described die holder 1 be provided with can laterally move left and right send nail-plate 2, described send nail-plate 2 and drive that it moves send nail driving mechanism to be connected (in the present embodiment, to send the employing of nail driving mechanism to send nail cylinder, send nail cylinder and piston bar to be connected with sending nail-plate), this send nail-plate to be provided with nail groove 3 longitudinal and nail bar adaptation, described in send the lower end of nail track to be against the described lower end of sending nail groove described on nail-plate 2 and under reset condition 3 to send nail track described in aiming at, the inner side of described die holder 1 is provided with the cap seat that falls that is positioned at described upper die orifice right side, in the described cap seat that falls, be provided with the cap passage that falls of up/down perforation, the described lower end of cap track of sending is connected with the described cap passage that falls, described fall the below of cap passage be glued with can laterally move left and right send cap plate 4, described send cap plate 4 and drive that it moves send cap driving mechanism to be connected (in the present embodiment, to send the employing of cap driving mechanism to send cap cylinder, send the piston rod connection of cap cylinder to send cap plate), the described head that send cap plate 4 is provided with and connects clevis 5, under reset condition, described fall described in the aiming at lower end of cap passage and this of clevis 5 that connect connects clevis 5 and can be sent to and aim at described upper die orifice.Described in the present embodiment, send the head of cap plate 4 to be provided with arc-like sheet, one end of described arc-like sheet with described in send cap plate downside by hinge, hinged and hinge is provided with two ends and is against respectively on arc-like sheet and send the torsion spring on cap plate, the arc-like sheet of the other end with described in send the head end of cap plate to form the described clevis that connects.
There is punch holder 6 inner side of described die holder, on described support, be laterally equipped with bent axle 7, described bent axle 7 is connected with driving mechanism that (in the present embodiment, driving mechanism is drive motors, the output of drive motors is connected with bent axle), described bent axle 7 is provided with connecting rod 8, thus described connecting rod 8 and described punch holder 6 hinged make this punch holder 6 can near or away from described die holder 1; Above-mentioned upper punch 9 and the low punch being positioned under described upper punch 9 of being provided with of lateral surface of described punch holder 6, described upper punch 9 is provided with axial upper jack, described low punch has axial lower jack, and the distance between described upper jack and lower jack equals the distance between die orifice and lower die orifice.
The below of described punch holder 6 is also provided with connected for driving the punch holder elevating mechanism of punch holder 6 liftings.In the present embodiment, the consisting of of punch holder elevating mechanism: the right-hand member of described bent axle is provided with driving gear, and described driving gear engages with a driven gear, is equipped with camshaft in described support, and described driven gear and described camshaft are in transmission connection; Described camshaft is provided with lifter cam, described lifter cam and the touching of the bottom surface of described punch holder.On driven gear described in the present embodiment, Eccentric-hinge is connected to pitman shaft, is also hinged with rocking bar on described pitman shaft, and the right-hand member of described camshaft is connected with described rocking bar.Certainly between driven gear and camshaft, also can adopt band transmission or the chain kind of drive to be in transmission connection.
The left end of described bent axle 7 is provided with the first cam 10 and the second cam 11, also comprising the first lance 12, the second lance 13, the head of described the first lance 12 contacts with the first described cam 10, and the head of described the second lance 13 contacts with the second described cam 11; In described die holder, be also laterally hinged with first hit material bar 14 and second hit material bar 15, the described first head that hits material bar 14 coordinates with the afterbody of described the first lance 12, the described first afterbody that hits material bar 14 is aimed at described upper cavity, the described second head that hits material bar 15 coordinates with the afterbody of described the second lance 13, and the described second afterbody that hits material bar 15 is aimed at described lower mode cavity.
On the first described lance 14, on (or second lance), be also provided with the 3rd lance 16, on described die holder, be also laterally hinged with the 3rd and hit material bar 17, the described the 3rd head that hits material bar 17 coordinates with the afterbody of described the 3rd lance 16, and the described the 3rd afterbody that hits material bar 17 coordinates with described nail groove.
In use, nail bar is placed in nail bar vibrating disk, the head of a nail is placed in head of a nail vibrating disk.The vibration of nail bar vibrating disk, the vibration of head of a nail vibrating disk, follow closely bar and rise along nail bar rising shelf, and the head of a nail rises along head of a nail rising shelf.When the head of a nail is sent to the rear portion of pin cap rising shelf, if the openend of the head of a nail down, pin cap can fall down in indentation, there, if the openend of pin cap upward, pin cap can pass through this breach smoothly, by the pin cap after breach, is entered into and is sent in cap passage.When nail bar is sent to the rear portion of shank rising shelf, the nail body of nail bar is inserted into be hung in seam, thereby nail bar is stitched and is hung on nail bar rising shelf by extension, then be sent to and send nail track, sending on nail track, same nail body is inserted into and send in nail seam, thereby nail bar is by sending nail seam to hang over described sending on nail track.
The head of a nail is sent to and falls into the falling in cap passage of cap seat after the end that send cap passage, and finally drops on and connect in clevis; When nail bar is sent to the end that send nail track, the nail bar of end drops in the nail groove that send nail-plate.Now the upper jack of the upper punch in punch holder is aimed at and near nail groove, and afterwards under the effect of the first cam 10 or the second cam 11, the 3rd lance 16 drives the 3rd to hit material bar 17 and will in nail groove, follow closely in the upper jack of upper punch that bar is driven into punch holder.Then punch holder retreats and declines, the upper punch of the punch holder 6 that is is aimed at the upper die orifice of die holder, send simultaneously cap driving mechanism will send the head feeding of cap plate to connecing clevis, aim at upper die orifice, thereby punch holder 6 moves ahead and will in the nail bar insertion head of a nail and by the head of a nail, head into and in upper die orifice, carry out one-shot forming afterwards; Completing this action backlash headstock 6 again retreats and rises, make the low punch in punch holder 6 aim at upper die orifice, then punch holder 6 moves ahead again, now upper punch 9 is aimed at nail groove, the 3rd hits material bar 17 follows closely nail in groove in the upper jack that bar is driven into upper punch again, and now under the effect of the first cam the first lance 12 drive first hit material bar 14 workpiece in upper cavity is got, thereby the shaft of following closely bar is inserted in the lower jack of low punch; Afterwards drift retreat and lower will, until upper punch is aimed at upper die orifice, low punch is aimed at lower die orifice, after again move ahead, thereby again complete one-shot forming, and through one-time formed workpiece, headed into and in lower die orifice, carried out post forming.After post forming completes under the effect of the second cam the second lance 13 drive second hit material bar 15 the complete workpiece of moulding in upper cavity is got, thereby complete rivet forming process.Above-mentioned steps forms a circulation, the suitability for industrialized production of having gone round and begun again rivet.
Moving ahead and retreating by crankshaft connecting rod system of punch holder 6 realizes.The rising of punch holder and decline are realized by conflict seat elevating mechanism, in the present embodiment, driving gear drives driven gear, and driven gear drivening rod axle moves back and forth, and then drive rocking bar to swing back and forth, thereby drive camshaft to rotate to realize the lifting of punch holder.
Certainly described punch holder elevating mechanism also can adopt other versions, as adopted cylinder, and the slideway extending before and after establishing on the bottom surface of punch holder, the afterbody of the piston rod of cylinder is located in this slideway, and cylinder action can be gone up also down-drawable punch holder of head punch seat; Also can adopt hydraulic cylinder, the slideway extending before and after establishing on the bottom surface of punch holder, the afterbody of the nail bar of hydraulic cylinder is in this slideway, and hydraulic cylinder action can be gone up also down-drawable punch holder of head punch seat.
Claims (5)
1. a rivet forming machine, comprise support, described support has a work top, it is characterized in that: described work top is provided with die holder, in described die holder, be provided with mould and compacted under mould, described upper mould has the upper cavity for first one-step forming rivet, described compacted under mould has the lower mode cavity for the rivet of shaping, described upper cavity is provided with die orifice in the inner side of described die holder, described lower mode cavity is provided with lower die orifice in the inner side of described die holder, described lower die orifice be positioned at described upper die orifice under;
On described work top, be also provided with head of a nail vibrating disk and nail bar vibrating disk, the inwall of described head of a nail vibrating disk is provided with spiralling pin cap rising shelf, the inwall of described nail bar vibrating disk is provided with spiralling nail bar rising shelf, the rear portion of described pin cap rising shelf is provided with breach, the rear portion of described nail bar rising shelf is provided with and hangs seam, the shaft that described extension seam allows nail bar by and do not allow the afterbody of following closely bar to pass through;
Also comprise by upper and send nail track and from what have a down dip, send cap track by upper from what have a down dip, the described front end that send nail track is connected with the end of described pin cap rising shelf, described send nail track to offer to send nail seam, described send shaft that nail seam allows nail bar by and do not allow the afterbody of following closely bar to pass through, thereby described in send nail bar nail tail that the vertical layout of afterbody of nail track makes end outwardly; Describedly send cap track to be provided with to send cap passage, thereby the head of a nail opening that the described vertical layout in the rear portion of sending cap passage makes end inwardly;
The upper end of described die holder is provided with the nail-plate that send that can laterally move left and right, the described nail-plate that send is connected with driving its nail driving mechanism that send moving, this send nail-plate to be provided with nail groove longitudinal and nail bar adaptation, described in send the lower end of nail track to be against the described lower end of sending nail groove described on nail-plate and under reset condition to send nail track described in aiming at; The inner side of described die holder is provided with the cap seat that falls that is positioned at described upper die orifice right side, in the described cap seat that falls, be provided with the cap passage that falls of up/down perforation, the described lower end of cap track of sending is connected with the described cap passage that falls, described fall the below of cap passage be glued with can laterally move left and right send cap plate, the described cap plate that send is connected with driving its cap driving mechanism that send moving, the described head that send cap plate is provided with and connects clevis, and under reset condition, described fall described in the aiming at lower end of cap passage and this of clevis that connect connects clevis and can be sent to and aim at described upper die orifice;
There is punch holder the inner side of described die holder, on described support, be laterally equipped with bent axle, described bent axle is connected with driving mechanism, and described bent axle is provided with connecting rod, thus described connecting rod and described punch holder hinged make this punch holder can near or away from described die holder; Above-mentioned upper punch and the low punch being positioned under described upper punch of being provided with of lateral surface of described punch holder, described upper punch is provided with axial upper jack, described low punch has axial lower jack, and the distance between described upper jack and lower jack equals the distance between die orifice and lower die orifice;
The below of described punch holder is also provided with connected for driving the punch holder elevating mechanism of punch holder lifting;
The left end of described bent axle is provided with the first cam and the second cam, and also, comprising the first lance, the second lance, the head of described the first lance contacts with the first described cam, and the head of described the second lance contacts with the second described cam; In described die holder, be also laterally hinged with first hit material bar and second hit material bar, the described first head that hits material bar coordinates with the afterbody of described the first lance, the described first afterbody that hits material bar is aimed at described upper cavity, the described second head that hits material bar coordinates with the afterbody of described the second lance, and the described second afterbody that hits material bar is aimed at described lower mode cavity;
On the first described lance or on the second lance, be also provided with the 3rd lance, on described die holder, be also laterally hinged with the 3rd and hit material bar, the described the 3rd head that hits material bar coordinates with the afterbody of described the 3rd lance, and the described the 3rd afterbody that hits material bar coordinates with described nail groove.
2. rivet forming machine as claimed in claim 1, it is characterized in that: the consisting of of described punch holder elevating mechanism: the right-hand member of described bent axle is provided with driving gear, described driving gear engages with a driven gear, in described support, be equipped with camshaft, described driven gear and described camshaft are in transmission connection; Described camshaft is provided with lifter cam, described lifter cam and the touching of the bottom surface of described punch holder.
3. rivet forming machine as claimed in claim 2, is characterized in that: on described driven gear, Eccentric-hinge is connected to pitman shaft, is also hinged with rocking bar on described pitman shaft, and the right-hand member of described camshaft is connected with described rocking bar.
4. rivet forming machine as claimed in claim 1 or 2, it is characterized in that: described in send the head of cap plate to be provided with arc-like sheet, one end of described arc-like sheet with described in send cap plate downside by hinge, hinged and hinge is provided with two ends and is against respectively on arc-like sheet and send the torsion spring on cap plate, the arc-like sheet of the other end with described in send the head end of cap plate to form the described clevis that connects.
5. rivet forming machine as claimed in claim 1 or 2, it is characterized in that: the width of the breach on described pin cap rising shelf is greater than the external diameter of described pin cap, the central authorities of described breach are provided with parting bead, described parting bead is divided into two points of breach by described breach, and the width of each point of breach is all less than the external diameter of described pin cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210108854.2A CN102615240B (en) | 2012-04-05 | 2012-04-05 | Rivet forming machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210108854.2A CN102615240B (en) | 2012-04-05 | 2012-04-05 | Rivet forming machine |
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| CN102615240A CN102615240A (en) | 2012-08-01 |
| CN102615240B true CN102615240B (en) | 2014-04-30 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128540B (en) * | 2014-07-14 | 2016-04-13 | 无锡安士达五金有限公司 | Closed type rivet automatic forming equipment |
| CN110538961A (en) * | 2019-09-18 | 2019-12-06 | 湖北大冶汉龙汽车有限公司 | Cold-pressing riveting system and cold-pressing riveting process for welding white automobile body |
| CN112589015B (en) * | 2020-11-27 | 2022-09-13 | 徐州恒乾紧固件制造有限公司 | Drum-shaped rivet production equipment and production process thereof |
| CN116329466A (en) * | 2023-04-26 | 2023-06-27 | 联钢精密科技(中国)有限公司 | Automatic production method of closed rivet |
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| KR20100108796A (en) * | 2009-03-30 | 2010-10-08 | 울산과학대학 산학협력단 | The method of forming the body of the blind rivet |
| CN202045316U (en) * | 2011-04-20 | 2011-11-23 | 江阴南工锻造有限公司 | Cold-heading post forming machine |
| CN202527651U (en) * | 2012-04-05 | 2012-11-14 | 宁波茂旺铆钉制造有限公司 | Rivet forming machine |
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| CN102615240A (en) | 2012-08-01 |
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Effective date of registration: 20160527 Address after: 315300, Zhejiang province Cixi City Gu Tong Street on Fu Village Patentee after: Ningbo supreme special Fastener Co., Ltd. Address before: 315324 No. 36 Hing Road, Zhouxiang, Zhejiang, Cixi Patentee before: Ningbo Maowang Rivet Manufacturing Co., Ltd. |