CN105834340A - Male mould ejection mechanism in cold header - Google Patents
Male mould ejection mechanism in cold header Download PDFInfo
- Publication number
- CN105834340A CN105834340A CN201610343231.1A CN201610343231A CN105834340A CN 105834340 A CN105834340 A CN 105834340A CN 201610343231 A CN201610343231 A CN 201610343231A CN 105834340 A CN105834340 A CN 105834340A
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- Prior art keywords
- turn
- greatly
- frame
- master slider
- push rod
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Toys (AREA)
Abstract
The invention discloses a male mould ejection mechanism in a cold header. An ejection device and a large link are mounted on a rack, the upper end of the large link is used for mounting a fastener, the lower end of the large link is connected to a connecting crutch through a connecting screw, the transmission end of the connecting crutch is propped against a cam mounted on a base, and the cam is connected to a crankshaft on a machine body through a gear transmission assembly; the ejection device comprises a main slide block which is in linking connection with the crankshaft; the main slide block can move back and forth, an axial groove is formed on the main slide block, a positioning block is arranged at the opening end of the axial groove, an external ejection pin is mounted on the positioning block, an internal ejection pin and a spring are mounted in the axial groove, a small link is mounted between the internal ejection pin and the external ejection pin, the small link is hinged to the main slide block, and the external end of the external ejection pin is propped against the fastener at the upper end of the large link; the fastener driven by the large link knocks on the external ejection pin, and the external ejection pin knocks the small link, so that the small link swings to transfer a force to a male mould, and a blank adhered to the male mould falls off; and the internal ejection pin is used for returning.
Description
Technical field
The present invention relates to the technical field of securing member process equipment auxiliary device, a kind of mechanism that supplementing male plugs ejects in cold headers.
Background technology
Cold headers are used to produce in batches the special equipment of the securing members such as nut bolt, at normal temperatures metal stock are applied certain pressure, are allowed in die cavity produce flow, by the shape and size molding of regulation.But owing to cold headers of the prior art are by after cavity forming, it may occur that the securing member after molding sticks to cannot depart from formpiston, and cause the situation that cold headers fault cannot produce smoothly.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides the formpiston ejecting mechanism in a kind of cold headers, this ejecting mechanism can produce the securing member after bigger power makes molding and can depart from from male mold surfaces formpiston, solves in prior art and affects the mach problem of cold-heading because securing member adheres to.
nullTo achieve these goals，The technical solution used in the present invention is: the formpiston ejecting mechanism in a kind of cold headers，It is characterized in that: include frame、Wave greatly assembly、Securing member、And liftout attachment，The described assembly that waves greatly includes shaking greatly turning、Connect and turn and connect screw rod，Described shake greatly to turn turn transverse axis and be installed in frame by shaking，Shake greatly to turn and turn transverse axis and be divided into upper and lower two ends as boundary shaking，Shake greatly and turn upper end composition for the accommodating end installed for securing member，This accommodating end is corresponding with liftout attachment，Shake greatly turn lower end by connect screw rod be connected turn hinged，This connection is turned has three connecting corners，It is respectively cohesive end、Installation end、Driving end，Cohesive end connects with being connected screw rod，Installation end is articulated with in frame，Driving end connects actuating device，Described actuating device includes the crank axle being located in frame，The two ends of this crank axle are separately installed with actively flywheel and passive flywheel，This crank axle is connected with the described driving end turned that is connected by gear-driven assembly，Described liftout attachment includes master slider，Master slider is installed in frame and can be along frame axial slip，Master slider is connected with crank axle by master connecting-rod，Master slider offers axial notch towards shaking greatly the one end turned，This axial notch opening is provided with locating piece，Locating piece is equipped with outer push rod，One end of outer push rod is through locating piece towards waving greatly and abutting with the fastener end being installed on accommodating end，The other end of outer push rod is positioned in axial notch and abuts little shaking and turns，This is little shakes to turn and is articulated with on master slider and can axially swing back and forth by groove，Little shaking is turned relatively its other end being connected with outer push rod and has also been abutted interior push rod，The other end of this interior push rod is connected with axial notch bottom surface by spring.
In said structure, securing member taps outer push rod under shaking greatly the drive turned, outer push rod tap little shake to turn make it swing and power of transmitting makes the blank sticking on formpiston drop to formpiston, interior push rod does reset and uses；When little shake to turn to be produced by the percussion of outer push rod swing and when making interior push rod stress move inward, spring can be made to be compressed, after securing member leaves, the power of spring-return makes this partial reset, and little shaking is turned generation and swung and promote the reset of outer push rod.
As the further setting of the present invention, described gear-driven assembly includes intermeshing little gear, gear wheel and regulation gear, little gear is fixedly arranged on crank axle, gear wheel and regulation gear are installed in frame by Large Gear Shaft and regulation gear shaft respectively, this regulation gear shaft is provided with cam, and the driving end that described connection is turned passes through pulley and cam contact.
In said structure, crank axle transfers power on cam by little gear, gear wheel and regulation gear structure, cam rotation drives to shake greatly to turn and swings back and forth so that securing member taps outer push rod, and the percussion of outer push rod is little shakes to turn and make it swing and power of transmitting makes the blank sticking on formpiston drop to formpiston；Additionally, on above-mentioned regulation gear shaft, fluted disc is installed, regulation geared sleeve is connected to fix on fluted disc and by pressing plate, regulation gear and fluted disc engaged transmission, and this ejecting mechanism can turn the correct time that ejection cycle i.e. can control to impact by being adjusted the fluted disc regulating gear and then control little shaking.
As the further setting of the present invention, described master connecting-rod is extended with connection axle head towards one end of crank axle, and this connection axle head is connected with crank axle, and the other end of master connecting-rod is installed in master slider by bearing shell.
In said structure, master connecting-rod is linked with being connected formation in the middle part of crank axle by the axle head of fork configuration.
As the further setting of the present invention, described master slider both sides sidewall is extended with prominent shoulder, described frame is provided with and is available for the main skid that prominent shoulder is shelved and coordinated with the formation sliding of prominent shoulder, described master slider upper surface is also extended with alar part, alar part and master slider are that height structure is arranged, this alar part both sides sidewall is provided with slide block, and frame is provided with the secondary slideway coordinated with this slide block.
In said structure, frame includes fuselage and support, above-mentioned crank axle, size gear and big pinion shaft are mounted on fuselage, master slider is also installed on fuselage, regulation gear and regulation gear shaft are installed on support, above-mentioned fuselage interior hollow is available for master slider and accommodates, and the sliding that master slider forms up-down structure by the alar part of upper surface and the shoulder of side with fuselage coordinates.
As the further setting of the present invention, described connection screw rod includes double threaded screw, and the two ends of double threaded screw are the most threaded oscillating bearing.
In said structure, connect screw rod and turn connection by oscillating bearing with being connected to turn or shake greatly.
The invention will be further described below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Accompanying drawing 1 is specific embodiment of the invention constructional appearance schematic diagram；
Accompanying drawing 2 is specific embodiment of the invention structure sectional view；
Accompanying drawing 3 is the structure connection diagram that the specific embodiment of the invention waves greatly assembly and liftout attachment；
Accompanying drawing 4 is specific embodiment of the invention fuselage and stand structure schematic diagram；
Accompanying drawing 5 is each member connection structure schematic diagram in the axially mounted groove of specific embodiment of the invention master slider；
Accompanying drawing 6 is the structural representation of specific embodiment of the invention gear-driven assembly；
Support 11, fuselage 12, main skid 121, secondary slideway 122,
Shake greatly and turn 2, shake greatly turn upper end 21, greatly shake turn lower end 22, connect turn 3, cohesive end 31, installation end 32, driving end 33, pulley 34, connect screw rod 5, double threaded screw 51, oscillating bearing 52,
Crank axle 61, actively flywheel 62, passive flywheel 63, little gear 641, gear wheel 651, Large Gear Shaft 652, regulation gear 661, regulation gear shaft 662, cam 67,
Master connecting-rod 7, connect axle head 71, bearing shell 72,
Master slider 8, axial notch 811, prominent shoulder 812, alar part 813, slide block 814, locating piece 82, outer push rod 83, interior push rod 84, spring 85, little shake turn 86,
Securing member 9.
Detailed description of the invention
nullThe specific embodiment of the present invention is the formpiston ejecting mechanism in cold headers as shown in figures 1 to 6，Including frame、Securing member,Frame includes fuselage 12 and support 11，Support 11 is provided with and waves greatly assembly，Fuselage 12 is provided with liftout attachment，Wave greatly assembly to include shaking greatly turning 2、Connect and turn 3 and connect screw rod 5，Shake greatly and turn 2 and turn transverse axis and be installed in frame by shaking，Shake greatly and turn 2 and turn transverse axis and be divided into upper and lower two ends as boundary shaking，Shake greatly turn upper end 21 constitute for for securing member install accommodating end，This accommodating end is corresponding with liftout attachment，Shake greatly and turn lower end 22 by connecting screw rod 5 and being connected that to turn 3 hinged，Connection is turned 3 hinged ends and is installed on support 11 by extension spring，The T-shape structure that 3 cross sections are horizontal positioned is turned in this connection，It has three connecting corners，It is respectively cohesive end 31、Installation end 32、Driving end 33，Cohesive end 31 connects with being connected screw rod 5，Installation end 32 is articulated with on support 11，Driving end 33 connects actuating device，Actuating device includes the crank axle 61 being located on fuselage 12，The two ends of this crank axle 61 are separately installed with actively flywheel 62 and passive flywheel 63，This crank axle 61 is connected with being connected the driving end 33 turning 3 by gear-driven assembly，Liftout attachment includes master slider 8，Master slider 8 is installed on fuselage 12 and can be along fuselage 12 axial slip，Master slider 8 is connected with crank axle 61 by master connecting-rod 7，Master slider 8 offers axial notch 811 towards shaking greatly the one end turning 2，This axial notch 811 opening is provided with locating piece 82，Locating piece 82 is equipped with outer push rod 83，One end of outer push rod 83 is through locating piece 82 towards waving greatly and abutting with the fastener end being installed on accommodating end，The other end of outer push rod 83 is positioned in axial notch 811 and abuts little shaking and turns 86，This is little shakes and turns 86 and be articulated with on master slider 8 and can axially swing back and forth by groove 811，Little shaking is turned 86 its other ends being connected with outer push rod 83 relative and has also been abutted interior push rod 84，The other end of this interior push rod 84 is connected with axial notch 811 bottom surface by spring 85.
Above-mentioned securing member 9 taps outer push rod 83 under shaking greatly the drive turning 2, outer push rod 83 tap little shake turn 86 make its swing then impact master slider 8 on, securing member 9 taps outer push rod 83 under shaking greatly the drive turning 2, outer push rod 83 taps little shaking and turns 86 and make it swing and power of transmitting makes the blank sticking on formpiston drop to formpiston, and interior push rod 84 does reset and uses；When little shaking is turned 86 and produced by the percussion of outer push rod 83 and swing and when making interior push rod 84 stress move inward, spring 85 can be made to be compressed, and after securing member 9 leaves, the restoring force of spring 85 makes interior push rod 84 reset, little shaking is turned generation and is swung the outer push rod 83 of promotion and reset.
Said gear transmission component includes intermeshing little gear 641, gear wheel 651 and regulation gear 661, little gear 641 is fixedly arranged on crank axle 61, gear wheel 651 and regulation gear 661 are installed on support 11 by Large Gear Shaft 652 and regulation gear shaft 662 respectively, on regulation gear shaft 662, fluted disc is installed, regulation gear 661 is socketed on fluted disc and is fixed by pressing plate, regulation gear 661 and fluted disc engaged transmission, this regulation gear shaft 662 is provided with cam 67, and connection is turned the driving end 33 of 3 and contacted with cam 67 by pulley 34.Crank axle 61 transfers power on cam 67 by little gear 641, gear wheel 651 and regulation gear 661 structure, cam 67 rotates to drive to shake greatly and turns 2 and swing back and forth so that securing member 9 taps outer push rod 83, and outer push rod 83 taps little shaking and turns 86 and make it swing then impact master slider 8 to transmit power again and make the blank sticking on formpiston drop to formpiston；It addition, this ejecting mechanism can by regulation gear 661 fluted disc be adjusted so that control little shake turn 86 ejection cycles i.e. can control impact correct time.
Above-mentioned master connecting-rod 7 is extended with connection axle head 71 towards one end of crank axle 61, and this connection axle head 71 is connected with crank axle 61, and the other end of master connecting-rod 7 is installed in master slider 8 by bearing shell 72.Master connecting-rod 7 by the axle head of fork configuration be connected formation in the middle part of crank axle 61 and be linked.
Above-mentioned master slider 8 both sides sidewall is extended with prominent shoulder 812, fuselage 12 is provided with and is available for prominent shoulder 812 and shelves and form, with prominent shoulder 812, the main skid 121 that sliding coordinates, master slider 8 upper surface is also extended with alar part 813, alar part 813 and master slider 8 are arranged in height structure, this alar part 813 both sides sidewall is provided with slide block 814, and fuselage 12 is provided with the secondary slideway 122 coordinated with this slide block 814.Frame includes fuselage 12 and support 11, above-mentioned crank axle 61, size gear 651,641 and Large Gear Shaft 652 are mounted on fuselage 12, master slider 8 is also installed on fuselage 12, regulation gear 661 and regulation gear shaft 662 are installed on support 11, above-mentioned fuselage 12 inner hollow is available for master slider 8 and accommodates, and the sliding that master slider 8 forms up-down structure by the alar part 813 of upper surface and the shoulder of side with fuselage 12 coordinates.
Above-mentioned connection screw rod 5 includes double threaded screw 51, and the two ends of double threaded screw 51 are the most threaded oscillating bearing 52.Connect screw rod 5 turn 3 by oscillating bearing 52 with being connected or shake greatly and turn 2 connections.
The present invention is not limited to above-mentioned detailed description of the invention; persons skilled in the art are according to present disclosure; other multiple detailed description of the invention can be used to implement the present invention's; or the design structure of every employing present invention and thinking; do simple change or change, both fall within protection scope of the present invention.
Claims (5)
- null1. the formpiston ejecting mechanism in cold headers，It is characterized in that: include frame、Wave greatly assembly、Securing member、And liftout attachment，The described assembly that waves greatly includes shaking greatly turning、Connect and turn and connect screw rod，Described shake greatly to turn turn transverse axis and be installed in frame by shaking，Shake greatly to turn and turn transverse axis and be divided into upper and lower two ends as boundary shaking，Shake greatly and turn upper end composition for the accommodating end installed for securing member，This accommodating end is corresponding with liftout attachment，Shake greatly turn lower end by connect screw rod be connected turn hinged，This connection is turned has three connecting corners，It is respectively cohesive end、Installation end、Driving end，Cohesive end connects with being connected screw rod，Installation end is articulated with in frame，Driving end connects actuating device，Described actuating device includes the crank axle being located in frame，The two ends of this crank axle are separately installed with actively flywheel and passive flywheel，This crank axle is connected with the described driving end turned that is connected by gear-driven assembly，Described liftout attachment includes master slider，Master slider is installed in frame and can be along frame axial slip，Master slider is connected with crank axle by master connecting-rod，Master slider offers axial notch towards shaking greatly the one end turned，This axial notch opening is provided with locating piece，Locating piece is equipped with outer push rod，One end of outer push rod is through locating piece towards waving greatly and abutting with the fastener end being installed on accommodating end，The other end of outer push rod is positioned in axial notch and abuts little shaking and turns，This is little shakes to turn and is articulated with on master slider and can axially swing back and forth by groove，Little shaking is turned relatively its other end being connected with outer push rod and has also been abutted interior push rod，The other end of this interior push rod is connected with axial notch bottom surface by spring.
- Formpiston ejecting mechanism in cold headers the most according to claim 1, it is characterized in that: described gear-driven assembly includes intermeshing little gear, gear wheel and regulation gear, little gear is fixedly arranged on crank axle, gear wheel and regulation gear are installed in frame by Large Gear Shaft and regulation gear shaft respectively, this regulation gear shaft is provided with cam, and the driving end that described connection is turned passes through pulley and cam contact.
- Formpiston ejecting mechanism in cold headers the most according to claim 1, it is characterised in that: described master connecting-rod is extended with connection axle head towards one end of crank axle, and this connection axle head is connected with crank axle, and the other end of master connecting-rod is installed in master slider by bearing shell.
- 4. according to the formpiston ejecting mechanism in the cold headers described in claim 1 or 2 or 3, it is characterized in that: described master slider both sides sidewall is extended with prominent shoulder, described frame is provided with and is available for the main skid that prominent shoulder is shelved and coordinated with the formation sliding of prominent shoulder, described master slider upper surface is also extended with alar part, alar part and master slider are that height structure is arranged, this alar part both sides sidewall is provided with slide block, and frame is provided with the secondary slideway coordinated with this slide block.
- Formpiston ejecting mechanism in cold headers the most according to claim 1, it is characterised in that: described connection screw rod includes double threaded screw, and the two ends of double threaded screw are the most threaded oscillating bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343231.1A CN105834340B (en) | 2016-05-20 | 2016-05-20 | Formpiston ejecting mechanism in cold headers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343231.1A CN105834340B (en) | 2016-05-20 | 2016-05-20 | Formpiston ejecting mechanism in cold headers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105834340A true CN105834340A (en) | 2016-08-10 |
| CN105834340B CN105834340B (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610343231.1A Active CN105834340B (en) | 2016-05-20 | 2016-05-20 | Formpiston ejecting mechanism in cold headers |
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| Country | Link |
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| CN (1) | CN105834340B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311936A (en) * | 2016-08-31 | 2017-01-11 | 浙江华远汽车零部件有限公司 | Cold heading forming machine with recyclable cold heading oil |
| CN106466700A (en) * | 2016-08-31 | 2017-03-01 | 佛山市巨隆金属制品有限公司 | A kind of multistage cold former blank ejecting mechanism |
| CN111478144A (en) * | 2020-05-06 | 2020-07-31 | 乐清国菱合金科技有限公司 | Cold heading equipment |
| CN114833290A (en) * | 2022-04-02 | 2022-08-02 | 上海工程技术大学 | Cold heading forming system based on ECAP processing |
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| CN204135268U (en) * | 2014-07-30 | 2015-02-04 | 昆山新崴精密五金有限公司 | Multistage cold former independence formpiston ejecting mechanism |
| CN205650755U (en) * | 2016-05-20 | 2016-10-19 | 张方洋 | Formpiston ejection mechanism in cold heading machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09182931A (en) * | 1995-12-29 | 1997-07-15 | Hiroshi Moriya | Upsetting machine |
| CN102059307A (en) * | 2009-11-11 | 2011-05-18 | 上海标准件机械厂 | Lifting mechanism |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311936A (en) * | 2016-08-31 | 2017-01-11 | 浙江华远汽车零部件有限公司 | Cold heading forming machine with recyclable cold heading oil |
| CN106466700A (en) * | 2016-08-31 | 2017-03-01 | 佛山市巨隆金属制品有限公司 | A kind of multistage cold former blank ejecting mechanism |
| CN106466700B (en) * | 2016-08-31 | 2019-04-16 | 佛山市巨隆金属制品有限公司 | A kind of multistage cold former blank ejecting mechanism |
| CN111478144A (en) * | 2020-05-06 | 2020-07-31 | 乐清国菱合金科技有限公司 | Cold heading equipment |
| CN111478144B (en) * | 2020-05-06 | 2021-11-19 | 浙江国菱合金科技有限公司 | Cold heading equipment |
| CN114833290A (en) * | 2022-04-02 | 2022-08-02 | 上海工程技术大学 | Cold heading forming system based on ECAP processing |
| CN114833290B (en) * | 2022-04-02 | 2023-06-02 | 上海工程技术大学 | Cold heading forming system based on ECAP (ECAP) treatment |
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| Publication number | Publication date |
|---|---|
| CN105834340B (en) | 2017-10-10 |
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