CN102615240A - Rivet forming machine - Google Patents

Rivet forming machine Download PDF

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Publication number
CN102615240A
CN102615240A CN2012101088542A CN201210108854A CN102615240A CN 102615240 A CN102615240 A CN 102615240A CN 2012101088542 A CN2012101088542 A CN 2012101088542A CN 201210108854 A CN201210108854 A CN 201210108854A CN 102615240 A CN102615240 A CN 102615240A
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CN
China
Prior art keywords
nail
send
cap
bar
rivet
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Granted
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CN2012101088542A
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Chinese (zh)
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CN102615240B (en
Inventor
周志灿
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Ningbo supreme special Fastener Co., Ltd.
Original Assignee
NINGBO MAOWANG RIVET MANUFACTURING Co Ltd
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Application filed by NINGBO MAOWANG RIVET MANUFACTURING Co Ltd filed Critical NINGBO MAOWANG RIVET MANUFACTURING Co Ltd
Priority to CN201210108854.2A priority Critical patent/CN102615240B/en
Publication of CN102615240A publication Critical patent/CN102615240A/en
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Publication of CN102615240B publication Critical patent/CN102615240B/en
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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

A kind of rivet make-up machine
(1) technical field
The present invention relates to a kind of rivet make-up machine.
(2) background technology
The rivet of being made up of nail bar and the head of a nail is when moulding, and in the time of will follow closely the bar and the head of a nail in the prior art and make up, operation ten minutes complicacy 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 the nail bar comprises the nail tail of shaft and shaft afterbody, follows closely tail and comparatively expands.Also there is not at present a kind of equipment that is specifically designed to the rivet moulding.
(3) summary of the invention
Also do not have a kind of equipment that is specifically designed to the rivet moulding in view of in the prior art, the present invention provides a kind of rivet make-up machine that is specifically designed to into rivets.
The technical scheme that the present invention solves its technical problem is: a kind of rivet make-up machine; Comprise support, described frame has a work top, and described work top is provided with die holder; Be provided with mould and compacted under mould in the said die holder; The described mould of going up has and is used for the upper cavity of one-step forming rivet just, and described compacted under mould has the lower mode cavity of the rivet that is used to finalize the design, and described upper cavity is provided with die orifice in the inboard of said die holder; Described lower mode cavity is provided with down die orifice in the inboard of said die holder, described die orifice down be positioned at said go up die orifice under;
Also be provided with head of a nail vibrating disk and nail bar vibrating disk on the described work top; The inwall of described pin cap vibrating disk is provided with spiralling pin cap rising shelf; The inwall of said nail bar vibrating disk is provided with spiralling nail bar rising shelf; The rear portion of said pin cap rising shelf is provided with breach, and the rear portion of said nail bar rising shelf is provided with and hangs seam, the shaft that said extension seam allows the nail bar through and the afterbody that do not allow to follow closely bar passes through;
Also comprise by last and send the nail track and send the cap track from what have a down dip by last from what have a down dip; The said front end of nail track that send is connected with the end of said pin cap rising shelf; Describedly send the nail track to offer to send nail seam; Said send shaft that nail seam allows the nail bar through and the afterbody that do not allow to follow closely bar passes through, thereby the said vertical layout of afterbody of nail track of sending makes terminal nail bar nail tail outwardly; Saidly send the cap track to be provided with to send the cap passage, thereby the described vertical layout in rear portion of cap passage of sending makes terminal head of a nail opening inwardly;
The upper end of said die holder is provided with the nail-plate that send of horizontal move left and right; Described its nail driving mechanism that send that moves of nail-plate and driving that send is connected; This send nail-plate to be provided with longitudinally and the adaptive nail groove of nail bar, the said lower end of sending the nail track be against described send on the nail-plate and under the reset condition described nail groove aim at the said lower end of sending the nail track; The inboard of said die holder is provided with and is positioned at the said cap seat that falls of going up the die orifice right side; Be provided with the cap passage that falls of up/down perforation in the described cap seat that falls; The said lower end of sending the cap track is connected with the described cap passage that falls; What the below of the said cap passage that falls was glued with horizontal move left and right send the cap plate; Describedly send the cap plate and drive its cap driving mechanism that send that moves and is connected, the said head that send the cap plate is provided with and connects clevis, under the reset condition described connect clevis aim at lower end and this of the said cap passage that falls connect clevis can be sent to aim at described on die orifice;
There is punch holder the inboard of said die holder; Laterally be equipped with bent axle on the described support; Described bent axle is connected with driving mechanism, and described bent axle is provided with connecting rod, makes this punch holder close or away from described die holder thereby described connecting rod and described punch holder are hinged; The lateral surface of described punch holder is above-mentioned to be provided with upper punch and the low punch that is positioned under the said upper punch; Described upper punch is provided with axial last jack; Described low punch has axial following jack, and the said distance that goes up between jack and the following jack equals the distance between die orifice and the following die orifice;
The below of described punch holder also is provided with the connected punch holder elevating mechanism that the driven punch seat goes up and down that is used for;
The left end of said bent axle is provided with first cam and second cam, and also comprising first lance, second lance, the head of said first lance contacts with described first cam, and the head of said second lance contacts with described second cam; Also be laterally hinged with in the described die holder first hit the material bar and second hit the material bar; Said first hits the head of expecting bar cooperates with the afterbody of said first lance; Said first hits the afterbody of expecting bar aims at described upper cavity; Said second hits the head of expecting bar cooperates with the afterbody of said second lance, and said second hits the afterbody of expecting bar aims at described lower mode cavity;
Also be provided with the 3rd lance on described first lance or on second lance; Also be laterally hinged with the 3rd on the described die holder and hit the material bar; The said the 3rd hits the head of expecting bar cooperates with the afterbody of said the 3rd lance, and the said the 3rd hits the afterbody of expecting bar cooperates with described nail groove.
Further, consisting of of described punch holder elevating mechanism: the right-hand member of said bent axle is provided with driving gear, and described driving gear and driven gear engagement are equipped with camshaft in the described support, and described driven gear and described camshaft are in transmission connection; Described camshaft is provided with lifter cam, the bottom surface touching of described lifter cam and said punch holder.
Further, off-centre is hinged with pitman shaft on the described driven gear, also is hinged with rocking bar on the described pitman shaft, and the right-hand member of said camshaft is connected with described rocking bar.
The present invention also has following additional technical feature:
The said head of cap plate that send is provided with arc-like sheet; Hinged and hinge is provided with two ends and is against respectively on the arc-like sheet and send the torsion spring on the cap plate downside that one end of said arc-like sheet and said send the cap plate through hinge, and the arc-like sheet of the other end and the said head end of cap plate that send form the described clevis that connects.
The width of the breach on the said pin cap rising shelf is greater than the external diameter of said pin cap, and the central authorities of said breach are provided with parting bead, and described parting bead is divided into two branch breach with described breach, and each width that divides breach is all less than the external diameter of said pin cap.
The present invention will follow closely bar and place in the nail bar vibrating disk in use, and the head of a nail is placed in the head of a nail vibrating disk.The vibration of nail bar vibrating disk, the vibration of head of a nail vibrating disk are then followed closely bar and are risen 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 was sent to the rear portion of pin cap rising shelf, if the openend of the head of a nail down, then the pin cap can fall down in indentation, there, if the openend of pin cap up, then the pin cap can pass through this breach smoothly, enters into through the pin cap behind the breach and send in the cap passage.When the nail bar is sent to the rear portion of shank rising shelf; The nail body of nail bar is inserted into to be hung in the seam; Thereby the nail bar hangs on the nail bar rising shelf through hanging seam, is sent to then and send the nail track, is sending on the nail track; Same nail body is inserted into and send in the nail seam, thereby the nail bar hangs over described sending on the nail track through sending the nail seam.
The head of a nail falls in the cap passage that falls of cap seat after being sent to the end that send the cap passage, and finally drops on and connect in the clevis; The nail bar is sent to that terminal nail bar drops in the nail groove that send nail-plate when sending nail track terminal.This moment, the last jack of the upper punch on the punch holder was aimed at and near the nail groove, and afterwards under first cam or second action of cam, the 3rd lance drives the 3rd and hits the material bar and will follow closely that groove is interior to be followed closely in the last jack of upper punch that bar is driven into punch holder.Punch holder is retreated and is descended then
The upper punch of punch holder is aimed at the last die orifice of die holder, and the head that send the cap driving mechanism will send the cap plate is simultaneously delivered to and connect clevis and aim at and go up die orifice, and will follow closely the bar insertion head of a nail interior and the head of a nail headed into carry out one-shot forming in the die orifice thereby punch holder moves ahead again afterwards; Accomplishing this action backlash headstock retreats once more and rises; Make the low punch on the punch holder aim at upward die orifice; Punch holder moves ahead once more then, and this moment, upper punch was aimed at the nail groove, and the 3rd hits the material bar will follow closely once more and follow closely bar in the groove and be driven in the last jack of upper punch; And first lance under first action of cam drove first and hit the material bar workpiece in the upper cavity is got this moment, thereby made the shaft of nail bar be inserted in the following jack of low punch; Afterwards drift retreat and down will, aim at until upper punch and to go up die orifice, low punch is aimed at die orifice down, after move ahead once more, thereby accomplish one-shot forming once more, carried out post forming in the die orifice and headed into down through one-time formed workpiece.Post forming is accomplished back second lance under second action of cam and is driven second and hit the material bar workpiece that the moulding in the upper cavity finishes is got, thus completion rivet forming process.Above-mentioned steps forms a circulation, goes round and begins again and accomplishes the suitability for industrialized production rivet.
Beneficial effect of the present invention is: a kind of equipment that is specifically designed to the rivet moulding is provided, has improved the production efficiency of rivet greatly.
(4) description of drawings
Fig. 1 is a structural representation of the present invention.
(5) specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain.
With reference to Fig. 1, a kind of rivet make-up machine comprises support; Described frame has a work top; Described work top is provided with die holder 1, is provided with mould and compacted under mould in the said die holder 1, and the described mould of going up has the upper cavity that is used for first one-step forming rivet; Described compacted under mould has the lower mode cavity of the rivet that is used to finalize the design; Described upper cavity is provided with die orifice in the inboard of said die holder, and described lower mode cavity is provided with down die orifice in the inboard of said die holder, described die orifice down be positioned at said go up die orifice under.
Also be provided with head of a nail vibrating disk and nail bar vibrating disk on the described work top; The inwall of described pin cap vibrating disk is provided with spiralling pin cap rising shelf; The inwall of said nail bar vibrating disk is provided with spiralling nail bar rising shelf; The rear portion of said pin cap rising shelf is provided with breach, and the rear portion of said nail bar rising shelf is provided with and hangs seam, the shaft that said extension seam allows the nail bar through and the afterbody that do not allow to follow closely bar passes 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 said pin cap, and the central authorities of said breach are provided with parting bead, and described parting bead is divided into two branch breach with described breach, and each width that divides breach is all less than the external diameter of said pin cap.
Also comprise by last and send the nail track and send the cap track from what have a down dip by last from what have a down dip; The said front end of nail track that send is connected with the end of said pin cap rising shelf; Describedly send the nail track to offer to send nail seam; Said send shaft that nail seam allows the nail bar through and the afterbody that do not allow to follow closely bar passes through, thereby the said vertical layout of afterbody of nail track of sending makes terminal nail bar nail tail outwardly; Saidly send the cap track to be provided with to send the cap passage, thereby the described vertical layout in rear portion of cap passage of sending makes terminal head of a nail opening inwardly.
What the upper end of said die holder 1 was provided with horizontal move left and right send nail-plate 2; Described send nail-plate 2 and drive that it moves send the nail driving mechanism to be connected (to send the employing of nail driving mechanism to send the nail cylinder in the present embodiment; Send nail cylinder and piston bar to be connected) with sending nail-plate; This send nail-plate to be provided with longitudinally and the adaptive nail groove 3 of nail bar, the said lower end of sending the nail track be against described send on the nail-plate 2 and under the reset condition described nail groove 3 aim at the said lower end of sending the nail track; The inboard of said die holder 1 is provided with and is positioned at the said cap seat that falls of going up the die orifice right side; Be provided with the cap passage that falls of up/down perforation in the described cap seat that falls; The said lower end of sending the cap track is connected with the described cap passage that falls; What the below of the said cap passage that falls was glued with horizontal move left and right send cap plate 4, described send cap plate 4 and drive its cap driving mechanism that send that moves is connected (send the cap driving mechanism to adopt in the present embodiment and send the cap cylinder, send the piston rod connection of cap cylinder to send the cap plate); The said head that send cap plate 4 is provided with and connects clevis 5, and the described clevis 5 that connects is aimed at lower end and this of the said cap passage that falls and connect clevis 5 and can be sent to and aim at the described die orifice of going up under the reset condition.Send the head of cap plate 4 to be provided with arc-like sheet described in the present embodiment; Hinged and hinge is provided with two ends and is against respectively on the arc-like sheet and send the torsion spring on the cap plate downside that one end of said arc-like sheet and said send the cap plate through hinge, and the arc-like sheet of the other end and the said head end of cap plate that send form the described clevis that connects.
There is punch holder 6 inboard of said die holder; Laterally be equipped with bent axle 7 on the described support; Described bent axle 7 is connected with driving mechanism that (driving mechanism is a drive motors in the present embodiment; The output of drive motors is connected with bent axle), described bent axle 7 is provided with connecting rod 8, makes these punch holder 6 close or away from described die holder 1 thereby described connecting rod 8 and described punch holder 6 are hinged; The lateral surface of described punch holder 6 is above-mentioned to be provided with upper punch 9 and the low punch that is positioned under the said upper punch 9; Described upper punch 9 is provided with axial last jack; Described low punch has axial following jack, and the said distance that goes up between jack and the following jack equals the distance between die orifice and the following die orifice.
The below of described punch holder 6 also is provided with the connected punch holder elevating mechanism that driven punch seat 6 goes up and down that is used for.In the present embodiment, the consisting of of punch holder elevating mechanism: the right-hand member of said bent axle is provided with driving gear, and described driving gear and driven gear engagement are equipped with camshaft in the described support, and described driven gear and described camshaft are in transmission connection; Described camshaft is provided with lifter cam, the bottom surface touching of described lifter cam and said punch holder.Off-centre is hinged with pitman shaft on the driven gear described in the present embodiment, also is hinged with rocking bar on the described pitman shaft, and the right-hand member of said camshaft is connected with described rocking bar.Certainly also can adopt the band transmission or the chain kind of drive to be in transmission connection between driven gear and the camshaft.
The left end of said bent axle 7 is provided with first cam 10 and second cam 11, also comprises first lance 12, second lance 13, and the head of said first lance 12 contacts with described first cam 10, and the head of said second lance 13 contacts with described second cam 11; Also being laterally hinged with first in the described die holder hits material bar 14 and second and hits and expect bar 15; Said first hits the head of expecting bar 14 cooperates with the afterbody of said first lance 12; Said first hits the afterbody of expecting bar 14 aims at described upper cavity; Said second hits the head of expecting bar 15 cooperates with the afterbody of said second lance 13, and said second hits the afterbody of expecting bar 15 aims at described lower mode cavity.
Also be provided with the 3rd lance 16 on (or second lance) on described first lance 14; Also be laterally hinged with the 3rd on the described die holder and hit material bar 17; The said the 3rd hits the head of expecting bar 17 cooperates with the afterbody of said the 3rd lance 16, and the said the 3rd hits the afterbody of expecting bar 17 cooperates with described nail groove.
In use, will follow closely bar and place in the nail bar vibrating disk, the head of a nail will be placed in the head of a nail vibrating disk.The vibration of nail bar vibrating disk, the vibration of head of a nail vibrating disk are then followed closely bar and are risen 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 was sent to the rear portion of pin cap rising shelf, if the openend of the head of a nail down, then the pin cap can fall down in indentation, there, if the openend of pin cap up, then the pin cap can pass through this breach smoothly, enters into through the pin cap behind the breach and send in the cap passage.When the nail bar is sent to the rear portion of shank rising shelf; The nail body of nail bar is inserted into to be hung in the seam; Thereby the nail bar hangs on the nail bar rising shelf through hanging seam, is sent to then and send the nail track, is sending on the nail track; Same nail body is inserted into and send in the nail seam, thereby the nail bar hangs over described sending on the nail track through sending the nail seam.
The head of a nail falls in the cap passage that falls of cap seat after being sent to the end that send the cap passage, and finally drops on and connect in the clevis; The nail bar is sent to that terminal nail bar drops in the nail groove that send nail-plate when sending nail track terminal.This moment, the last jack of the upper punch on the punch holder was aimed at and near the nail groove, and afterwards under the effect of first cam 10 or second cam 11, the 3rd lance 16 drives the 3rd and hits material bar 17 and will follow closely that groove is interior to be followed closely in the last jack of upper punch that bar is driven into punch holder.Punch holder is retreated and is descended then; The upper punch of punch holder 6 is aimed at the last die orifice of die holder; The head that send the cap driving mechanism will send the cap plate is simultaneously delivered to and is connect clevis and aim to go up die orifice, thereby punch holder 6 moves ahead and will follow closely bar to insert the head of a nail interior and the head of a nail headed into carry out one-shot forming in the die orifice afterwards; Accomplishing this action backlash headstock 6 retreats once more and rises; Make the low punch on the punch holder 6 aim at upward die orifice; Punch holder 6 moves ahead once more then, and this moment, upper punch 9 was aimed at the nail grooves, and the 3rd hits material bar 17 will follow closely once more and follow closely bar in the groove and be driven in the last jack of upper punch; And first lance 12 under first action of cam drove first and hit material bar 14 workpiece in the upper cavity is got this moment, thereby made the shaft of nail bar be inserted in the following jack of low punch; Afterwards drift retreat and down will, aim at until upper punch and to go up die orifice, low punch is aimed at die orifice down, after move ahead once more, thereby accomplish one-shot forming once more, carried out post forming in the die orifice and headed into down through one-time formed workpiece.Post forming is accomplished back second lance 13 under second action of cam and is driven second and hit material bar 15 workpiece that the moulding in the upper cavity finishes is got, thus completion rivet forming process.Above-mentioned steps forms a circulation, goes round and begins again and accomplishes the suitability for industrialized production rivet.
The moving ahead and retreat by crankshaft connecting rod system and realize of punch holder 6.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 and swing back and forth, rotate the up-down that realizes punch holder thereby drive camshaft.
Certain described punch holder elevating mechanism also can adopt other versions, as adopting cylinder, establishes the slideway that extend front and back on the bottom surface of punch holder, and the afterbody of the piston rod of cylinder is located in this slideway, and the cylinder action can be gone up also down-drawable punch holder of head punch seat; Also can adopt hydraulic cylinder, the slideway that extends before and after establishing on the bottom surface of punch holder, the afterbody of the nail bar of hydraulic cylinder are in this slideway, and the hydraulic cylinder action can be gone up also down-drawable punch holder of head punch seat.

Claims (5)

1. rivet make-up machine; Comprise support, described frame has a work top, it is characterized in that: described work top is provided with die holder; Be provided with mould and compacted under mould in the said die holder; The described mould of going up has and is used for the upper cavity of one-step forming rivet just, and described compacted under mould has the lower mode cavity of the rivet that is used to finalize the design, and described upper cavity is provided with die orifice in the inboard of said die holder; Described lower mode cavity is provided with down die orifice in the inboard of said die holder, described die orifice down be positioned at said go up die orifice under;
Also be provided with head of a nail vibrating disk and nail bar vibrating disk on the described work top; The inwall of described pin cap vibrating disk is provided with spiralling pin cap rising shelf; The inwall of said nail bar vibrating disk is provided with spiralling nail bar rising shelf; The rear portion of said pin cap rising shelf is provided with breach, and the rear portion of said nail bar rising shelf is provided with and hangs seam, the shaft that said extension seam allows the nail bar through and the afterbody that do not allow to follow closely bar passes through;
Also comprise by last and send the nail track and send the cap track from what have a down dip by last from what have a down dip; The said front end of nail track that send is connected with the end of said pin cap rising shelf; Describedly send the nail track to offer to send nail seam; Said send shaft that nail seam allows the nail bar through and the afterbody that do not allow to follow closely bar passes through, thereby the said vertical layout of afterbody of nail track of sending makes terminal nail bar nail tail outwardly; Saidly send the cap track to be provided with to send the cap passage, thereby the described vertical layout in rear portion of cap passage of sending makes terminal head of a nail opening inwardly;
The upper end of said die holder is provided with the nail-plate that send of horizontal move left and right; Described its nail driving mechanism that send that moves of nail-plate and driving that send is connected; This send nail-plate to be provided with longitudinally and the adaptive nail groove of nail bar, the said lower end of sending the nail track be against described send on the nail-plate and under the reset condition described nail groove aim at the said lower end of sending the nail track; The inboard of said die holder is provided with and is positioned at the said cap seat that falls of going up the die orifice right side; Be provided with the cap passage that falls of up/down perforation in the described cap seat that falls; The said lower end of sending the cap track is connected with the described cap passage that falls; What the below of the said cap passage that falls was glued with horizontal move left and right send the cap plate; Describedly send the cap plate and drive its cap driving mechanism that send that moves and is connected, the said head that send the cap plate is provided with and connects clevis, under the reset condition described connect clevis aim at lower end and this of the said cap passage that falls connect clevis can be sent to aim at described on die orifice;
There is punch holder the inboard of said die holder; Laterally be equipped with bent axle on the described support; Described bent axle is connected with driving mechanism, and described bent axle is provided with connecting rod, makes this punch holder close or away from described die holder thereby described connecting rod and described punch holder are hinged; The lateral surface of described punch holder is above-mentioned to be provided with upper punch and the low punch that is positioned under the said upper punch; Described upper punch is provided with axial last jack; Described low punch has axial following jack, and the said distance that goes up between jack and the following jack equals the distance between die orifice and the following die orifice;
The below of described punch holder also is provided with the connected punch holder elevating mechanism that the driven punch seat goes up and down that is used for;
The left end of said bent axle is provided with first cam and second cam, also comprises first lance, second lance, and the head of said first lance contacts with described first cam, and the head of said second lance contacts with described second cam; Also be laterally hinged with in the described die holder first hit the material bar and second hit the material bar; Said first hits the head of expecting bar cooperates with the afterbody of said first lance; Said first hits the afterbody of expecting bar aims at described upper cavity; Said second hits the head of expecting bar cooperates with the afterbody of said second lance, and said second hits the afterbody of expecting bar aims at described lower mode cavity;
Also be provided with the 3rd lance on described first lance or on second lance; Also be laterally hinged with the 3rd on the described die holder and hit the material bar; The said the 3rd hits the head of expecting bar cooperates with the afterbody of said the 3rd lance, and the said the 3rd hits the afterbody of expecting bar cooperates with described nail groove.
2. rivet make-up 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 said bent axle is provided with driving gear; Described driving gear and driven gear engagement; Be equipped with camshaft in the described support, described driven gear and described camshaft are in transmission connection; Described camshaft is provided with lifter cam, the bottom surface touching of described lifter cam and said punch holder.
3. rivet make-up machine as claimed in claim 2 is characterized in that: off-centre is hinged with pitman shaft on the described driven gear, also is hinged with rocking bar on the described pitman shaft, and the right-hand member of said camshaft is connected with described rocking bar.
4. according to claim 1 or claim 2 rivet make-up machine; It is characterized in that: the said head of cap plate that send is provided with arc-like sheet; Hinged and hinge is provided with two ends and is against respectively on the arc-like sheet and send the torsion spring on the cap plate downside that one end of said arc-like sheet and said send the cap plate through hinge, and the arc-like sheet of the other end and the said head end of cap plate that send form the described clevis that connects.
5. according to claim 1 or claim 2 rivet make-up machine; It is characterized in that: the width of the breach on the said pin cap rising shelf is greater than the external diameter of said pin cap; The central authorities of said breach are provided with parting bead; Described parting bead is divided into two branch breach with described breach, and each width that divides breach is all less than the external diameter of said pin cap.
CN201210108854.2A 2012-04-05 2012-04-05 Rivet forming machine Active CN102615240B (en)

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Application Number Priority Date Filing Date Title
CN201210108854.2A CN102615240B (en) 2012-04-05 2012-04-05 Rivet forming machine

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CN102615240B CN102615240B (en) 2014-04-30

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104128540A (en) * 2014-07-14 2014-11-05 无锡安士达五金有限公司 Automatic forming device for closed rivet
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
CN112589015A (en) * 2020-11-27 2021-04-02 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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