CN202343833U - Cold heading and molding mould of main-secondary screw - Google Patents

Cold heading and molding mould of main-secondary screw Download PDF

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Publication number
CN202343833U
CN202343833U CN2011204774713U CN201120477471U CN202343833U CN 202343833 U CN202343833 U CN 202343833U CN 2011204774713 U CN2011204774713 U CN 2011204774713U CN 201120477471 U CN201120477471 U CN 201120477471U CN 202343833 U CN202343833 U CN 202343833U
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CN
China
Prior art keywords
mould
hexagonal head
thimble
cylindrical
die cavity
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Expired - Fee Related
Application number
CN2011204774713U
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Chinese (zh)
Inventor
黄祯楷
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ESSENCE FASTENER INDUSTRIES Co Ltd
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ESSENCE FASTENER INDUSTRIES Co Ltd
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Priority to CN2011204774713U priority Critical patent/CN202343833U/en
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Publication of CN202343833U publication Critical patent/CN202343833U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a cold heading and molding mould of a main-secondary screw, at least comprising a circular screw body molding mould, a head molding mould and an inner hole punching mould, wherein the circular screw body molding mould comprises a cylindrical head mould cavity and a cylindrical screw body mould cavity which are communicated with each other; end parts of the cylindrical head mould cavity and the cylindrical screw body mould cavity are respectively provided with thimbles; the head molding mould comprises a hexagonal head mould cavity and a cylindrical screw body mould cavity which are communicated with each other; a hexagonal thimble is arranged above the hexagonal head mould cavity, and the cylindrical screw body mould cavity is internally provided with a cylindrical thimble; the inner hole punching mould comprises a hexagonal head mould cavity and a cylindrical screw body mould cavity; a hexagonal thimble sleeve is arranged above the hexagonal head mould cavity; a circular thimble is arranged in the hexagonal thimble sleeve; and the cylindrical thimble is arranged in the cylindrical screw body mould cavity. Therefore, the production efficiency of the main-secondary screw is high, the product size is accurate, the surface is smooth and clean, raw materials are saved, and the cost is low.

Description

The Screw cold upsetting forming die
Technical field
The utility model relates to a kind of cold upsetting forming die that is used to make Screw.
Background technology
Screw is to be widely used in electronic product, and like the securing member of the connector of video disc player, video recorder, computer, its basic structure is by cylinder staple body, is positioned at the hexagonal head at nail body top, and the internal thread that hexagonal head central authorities connect usefulness is formed.Existing this Screw all utilizes the turning technology to process; Adopt turning technical work efficient low, feed consumption is big, and cost is high; Material therefor all is that lead tolerance is than higher wire rod; Now in the world under the increasingly high prerequisite of environmental requirement, this processing method is inadvisable, must improve.
Summary of the invention
The purpose of the utility model is to provide a kind of cold upsetting forming die that is used to make Screw, makes Screw production efficiency high, and cost is low.
The utility model Screw cold upsetting forming die comprises the body formed mould of circular staple, head mould and endoporus diel at least; The body formed mould of circular staple comprises cylindrical head die cavity and the cylinder staple phantom chamber that is interconnected, and respectively there is thimble cylindrical head die cavity and end, cylinder staple phantom chamber; The head mould comprises hexagonal head die cavity and the cylinder staple phantom chamber that is interconnected, and there is the hexagon thimble hexagonal head die cavity top, and cylinder staple phantom has cylindrical thimble in the chamber; The endoporus mould comprises hexagonal head die cavity and cylinder staple phantom chamber, and there is the hexagon tailstock barrel hexagonal head die cavity top, and circular thimble is arranged in the hexagon tailstock barrel, and cylinder staple phantom has cylindrical thimble in the chamber.
The utility model can also comprise the flat blank mould, and this mould has a cylindrical mold cavities, and hypotenuse is arranged at the bottom of cylindrical mold cavities, and respectively there is cylindrical thimble at the two ends of cylindrical mold cavities.
The utility model can also comprise hexagonal head upper surface arrangement mould; This mould comprises the hexagonal head die cavity; There is cylindrical thimble the top of hexagonal head die cavity, and there is the hexagon tailstock barrel outside of this thimble, and there is the hexagon thimble below of hexagonal head die cavity; There is punch in the upper surface central authorities of this thimble, and periphery matees with the end face of the hexagonal head of Screw.
The utility model can also comprise that hexagonal head and endoporus accurately put mould in order; This mould comprises the hexagonal head die cavity; There is the hexagon tailstock barrel top of hexagonal head die cavity, and cylindrical thimble is arranged in the center through hole of this tailstock barrel, and there is the hexagon tailstock barrel below of hexagonal head die cavity; The end face coupling of the front end face of this tailstock barrel and the hexagonal head of Screw has the cylindrical thimble with hexagonal head endoporus coupling in the center through hole of this tailstock barrel.
The multistation mould that the utility model adopts six moulds six to dash obtains the product net shape through repeatedly being out of shape, and compared with prior art, the utlity model has following advantage:
1. product size is accurate, and the tolerance of base nail diameter can be controlled in below the 0.03mm, can guarantee that the precision behind the thread forming meets the requirements;
2. any surface finish especially adopts the smooth nose shape of turnover technology, can not stay burr at run-out(of thread) after the tapping, has eliminated the potential safety hazard in the use;
3. save material, the turning scrap can not occur;
4. production efficiency is brought up to 80 ~ 100 base nails of per minute, is about 50 times of turning process;
Material select for use more flexibly, can select material different for use according to different requirements of customers, like mild steel, medium carbon steel, medium carbon alloy steel etc.;
6. the cold-heading material is not leaded, compliance with environmental protection requirements.
Description of drawings
Fig. 1 is the utility model Screw sketch map.
Fig. 2 is that cutting knife and cutting form the blank sketch map.
Fig. 3 is a mould one punch die tool and base nail sketch map.
Fig. 4 is two moulds, two punch die tools and base nail sketch map.
Fig. 5 is three moulds, three punch die tools and base nail sketch map.
Fig. 6 is four moulds, four punch die tools and base nail sketch map.
Fig. 7 is five moulds, five punch die tools and base nail sketch map.
Fig. 8 is six moulds, six punch die tools and base nail sketch map.
The specific embodiment
Fig. 1 illustrates the target product Screw that uses the utility model Mould Machining; This Screw is by the hexagonal head 2 at cylinder staple body 1, nail body top, have endoporus 3 in the central authorities of hexagonal head; On the cylinder staple body 1 screw thread is arranged, in the head endoporus 3 internal thread is arranged.In a kind of embodiment of the utility model, the six station boards that adopt six moulds six to dash carry out production operation as main platform, and material selection mild steel is like the SWRCH18A model.
Fig. 2 illustrates the initial raw materials cutting equipment, and the line material gets into from blank mouth 5, after cutting off through otch 6, cutting knife 7, forms blank 10.
Fig. 3 is the flat blank mould; This mould is dashed by a mould and and constitutes, and a cylindrical mold cavities 11 is arranged in the mould core rod, and hypotenuse 12 is arranged at the bottom of cylindrical mold cavities 11; The internal diameter of cylindrical mold cavities 11 is consistent with the inscribed circle of Screw hexagonal head; Through hole is arranged at cylindrical mold cavities 11 bottoms, has a mould thimble 14, to rush to the pin 13 of rushing to summit in the through hole.Blank 10 is sent into cylindrical mold cavities 11; One pin 13 of rushing to summit gets into cylindrical mold cavities 11 extrusion billets 10 downwards from the top of cylindrical mold cavities 11; One mould thimble 14 withstands the bottom of cylindrical mold cavities 11 from lower direction; It is smooth that blank 10 shapes are obtained, and below form the punching press that hypotenuse is convenient to next station, the blank 20 after the moulding is by a mould thimble 14 ejection devices.
Fig. 4 is the body formed mould of cylinder staple; This mould comprises that two moulds and two dash; The cylindrical head die cavity 21 and cylinder staple phantom chamber 22 that are interconnected are arranged in the two mould core rods, and the internal diameter of cylindrical head die cavity 21 is consistent with the diameter of blank 20, and hypotenuse 23 is arranged at cylindrical head die cavity 21 bottoms; The internal diameter in cylinder staple phantom chamber 22 is consistent with the diameter of the cylinder staple body 1 of finished product Screw, in the cylinder staple phantom chamber 22 two mould thimbles 25 is arranged; Two have rushed to two pins 24 of rushing to summit.Blank 20 is sent into cylindrical head die cavity 21; Two pins 24 of rushing to summit get into cylindrical head die cavity 21 downwards from the top; Make blank 20 receive two pin 24 crimps of rushing to summit; Be filled in the cylinder staple phantom chamber 22, the base nail 30 that dams and form cylinder staple body 1 at two mould thimbles 25 with finished product Screw, after the moulding by two mould thimbles, 25 ejection devices.
Fig. 5 is the hexagonal head mould; This mould comprises that three moulds and three dash; The hexagonal head die cavity 31 and cylinder staple phantom chamber 32 that are interconnected are arranged in the three mould core rods, hexagonal head 2 consistent size of the size of hexagonal head die cavity 31 and finished product Screw, the bottom end face of hexagonal head die cavity 31 is consistent with hexagonal head 2 end faces of finished product Screw; There are columniform three mould thimbles 34, three to rush to hexagonal three pins 33 of rushing to summit in the cylinder staple phantom chamber 32.Base nail 30 is sent into mould; The head of base nail 30 is arranged in hexagonal head die cavity 31; Cylinder staple body 1 get into cylinder staple phantom chamber 32, three mould thimbles 34 withstand cylinder staple body 1, three rush to summit pin 33 from the top downward blank nail; Become the base nail 40 of hexagonal head with moulding lower surface, after the moulding by three mould thimbles, 34 ejection devices.
Fig. 6 is a hexagonal head upper surface arrangement mould; This mould comprises that four moulds and four dash; In the four mould core rods hexagonal head die cavity 41 is arranged; The below of hexagonal head die cavity 41 has the upper surface central authorities of hexagonal four mould thimbles, 44, four mould thimbles 44 that punch 45 is arranged, and periphery is consistent with the end face of the hexagonal head of Screw; Four have rushed to columniform four the rush to summit outsides of pin 42 of pin 42, four of rushing to summit has hexagonal four needle guard 43, the four just fit cylinder staple bodies 1 of needle guard 43 of rushing to summit of rushing to summit.Hexagonal head die cavity 41 tops are sent in 40 upsets of base nail; 1 entering four of cylinder staple body is rushed to summit in the needle guard 43; Four pins 42 of rushing to summit withstand rush to summit pin 42 and tailstock barrel 43 of cylinder staple body 1, four and get into hexagonal head die cavity 41 from the top downwards, and base is followed closely the 50 smooth upper surfaces of hexagonal head after the punching press; Formed the locating hole 3a of internal thread hole simultaneously, base nail 50 is by four mould thimbles 44 and four pin 42 ejection devices of rushing to summit after the moulding.
Fig. 7 is the endoporus diel of hexagonal head, and this mould comprises that five moulds and five dash, and the hexagonal head die cavity 51 and cylinder staple phantom chamber 52 of shape and base nail 50 couplings arranged in the five mould core rods, in the cylinder staple phantom chamber 52 cylindrical thimble 55 is arranged; Five have rushed to hexagonal five needle guards 53, five of rushing to summit rushes to summit and through hole is arranged in the middle of the needle guard 53, has five the rush to summit diameters of pin 54 of pin 54, five of rushing to summit identical with the internal diameter of finished product Screw head endoporus in the through hole.Hexagonal head die cavity 51 and cylindrical mold cavities 52 are sent in 50 upsets of base nail; Five mould thimbles 55 withstand cylinder staple body 1; Five rush to summit needle guard 53 retreat make five rush to summit pin 54 expose with finished product Screw head in a section of hole depth; Five needle guards 53 of rushing to summit get into hexagonal head die cavity 51 downwards together with five pins 54 of rushing to summit from the top, base nail after the punching press 60 has formed endoporus in hexagonal head, after the moulding by five mould thimbles 55 and five needle guard 53 ejection devices of rushing to summit.
Fig. 8 is that hexagonal head and endoporus are accurately put mould in order; This mould comprises that six moulds and six dash; In the six mould core rods hexagonal head die cavity 61 is arranged, it is cylindrical shape for the endoporus of hexagonal six mould tailstock barrels, 65, six mould tailstock barrels 65 that there is the outside hexagonal head die cavity 61 belows; Columniform six mould thimbles 64 are arranged in the endoporus of six mould tailstock barrels 65, and six mould thimbles, 64 diameters are consistent with the endoporus aperture of hexagonal head; Six have rushed to columniform six the rush to summit outsides of pin 62 of pin 62, six of rushing to summit has six the rush to summit internal diameters of needle guard 63 of needle guard 63, six of rushing to summit consistent with the diameter of the cylinder staple body 1 of finished product Screw, and the six needle guard 63 outer lateral sections of rushing to summit are hexagon.Hexagonal head die cavity 61, six pin 62 and six needle guard 63 of rushing to summit of rushing to summit is sent in 60 upsets of base nail got into hexagonal head die cavity 61 from the top downwards, cylinder staple body 1 gets into six and rushes to summit in the needle guard 63; Six pins 62 of rushing to summit withstand cylinder staple body 1; Six mould thimbles 64 get into the endoporus of hexagonal head, and the upper surface that six mould tailstock barrels 65 withstand hexagonal head is after the punching press; Hexagon-head and endoporus are accurately put in order, and base after moulding nail 70 is by six mould tailstock barrels 65 and six pin 62 ejection devices of rushing to summit.Cylinder staple body and endoporus tapping to base nail 70 can become the target product Screw.

Claims (4)

1. Screw cold upsetting forming die, it is characterized in that: this Screw cold upsetting forming die comprises the body formed mould of circular staple, hexagonal head mould and endoporus diel at least; The body formed mould of circular staple comprises cylindrical head die cavity and the cylinder staple phantom chamber that is interconnected, and respectively there is thimble cylindrical head die cavity and end, cylinder staple phantom chamber; The hexagonal head mould comprises hexagonal head die cavity and the cylinder staple phantom chamber that is interconnected, and there is the hexagon thimble hexagonal head die cavity top, and cylinder staple phantom has cylindrical thimble in the chamber; The endoporus mould comprises hexagonal head die cavity and cylinder staple phantom chamber, and there is the hexagon tailstock barrel hexagonal head die cavity top, and circular thimble is arranged in the hexagon tailstock barrel, and cylinder staple phantom has cylindrical thimble in the chamber.
2. according to the said Screw cold upsetting forming die of claim 1, it is characterized in that also comprise the flat blank mould, this mould has a cylindrical mold cavities, hypotenuse is arranged at the bottom of cylindrical mold cavities, and respectively there is cylindrical thimble at the two ends of cylindrical mold cavities.
3. according to the said Screw cold upsetting forming die of claim 1, it is characterized in that, also comprise hexagonal head upper surface arrangement mould; This mould comprises the hexagonal head die cavity; There is cylindrical thimble the top of hexagonal head die cavity, and there is the hexagon tailstock barrel outside of this thimble, and there is the hexagon thimble below of hexagonal head die cavity; There is punch in the upper surface central authorities of this thimble, and periphery matees with the end face of the hexagonal head of Screw.
4. according to the said Screw cold upsetting forming die of the arbitrary claim of claim 1 ~ 3; It is characterized in that; Comprise that also hexagonal head and endoporus accurately put mould in order, this mould comprises the hexagonal head die cavity, and there is the hexagon tailstock barrel top of hexagonal head die cavity; Cylindrical thimble is arranged in the center through hole of this tailstock barrel; There is the hexagon tailstock barrel below of hexagonal head die cavity, and the end face coupling of the front end face of this tailstock barrel and the hexagonal head of Screw has the cylindrical thimble with hexagonal head endoporus coupling in the center through hole of this tailstock barrel.
CN2011204774713U 2011-11-26 2011-11-26 Cold heading and molding mould of main-secondary screw Expired - Fee Related CN202343833U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204774713U CN202343833U (en) 2011-11-26 2011-11-26 Cold heading and molding mould of main-secondary screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204774713U CN202343833U (en) 2011-11-26 2011-11-26 Cold heading and molding mould of main-secondary screw

Publications (1)

Publication Number Publication Date
CN202343833U true CN202343833U (en) 2012-07-25

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103495665A (en) * 2013-10-18 2014-01-08 宁波市鄞州风名工业产品设计有限公司 Die capable of continuously punching long screws
CN103600011A (en) * 2013-08-30 2014-02-26 宁波市鄞州风名工业产品设计有限公司 Continuous composite stamping die
CN103909205A (en) * 2012-12-29 2014-07-09 宾科汽车紧固件(昆山)有限公司 Cold heading device and process for pipe nuts
CN104209701A (en) * 2014-08-15 2014-12-17 宾科汽车紧固件(昆山)有限公司 Production process for automobile sensor cup body
CN104209445A (en) * 2014-08-15 2014-12-17 宾科汽车紧固件(昆山)有限公司 Cold-heading device for irregular knurling sleeve and production technique of cold-heading device
CN104384418A (en) * 2014-11-20 2015-03-04 贵州航锐航空精密零部件制造有限公司 Flat head clamping screw head upsetting device
CN105728625A (en) * 2016-03-31 2016-07-06 柳州市正菱车业配件有限公司 Multipurpose stroke die shell for producing steel cable clamping piece
CN109622872A (en) * 2018-12-21 2019-04-16 厦门恒耀金属有限公司 A kind of cold-heading molding technique of the eccentric flange nut with boss and its applied composable mold
CN109719248A (en) * 2019-02-21 2019-05-07 鹏驰五金制品(昆山)有限公司 A kind of rearview mirror bolt processing technic featuring
CN110576143A (en) * 2019-09-20 2019-12-17 宾科汽车紧固件(昆山)有限公司 cold heading device and process for forming screw and screw

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103909205A (en) * 2012-12-29 2014-07-09 宾科汽车紧固件(昆山)有限公司 Cold heading device and process for pipe nuts
CN103600011A (en) * 2013-08-30 2014-02-26 宁波市鄞州风名工业产品设计有限公司 Continuous composite stamping die
CN103600011B (en) * 2013-08-30 2015-11-18 宁波江东唐通机电设备有限公司 Continuous composite punching die
CN103495665B (en) * 2013-10-18 2015-11-18 宁波江东唐通机电设备有限公司 The mould of continuous punching long spiro nail
CN103495665A (en) * 2013-10-18 2014-01-08 宁波市鄞州风名工业产品设计有限公司 Die capable of continuously punching long screws
CN104209701A (en) * 2014-08-15 2014-12-17 宾科汽车紧固件(昆山)有限公司 Production process for automobile sensor cup body
CN104209445A (en) * 2014-08-15 2014-12-17 宾科汽车紧固件(昆山)有限公司 Cold-heading device for irregular knurling sleeve and production technique of cold-heading device
CN104384418A (en) * 2014-11-20 2015-03-04 贵州航锐航空精密零部件制造有限公司 Flat head clamping screw head upsetting device
CN104384418B (en) * 2014-11-20 2016-03-23 贵州航锐航空精密零部件制造有限公司 A kind of homalocephalus clip screw head upsetting device
CN105728625A (en) * 2016-03-31 2016-07-06 柳州市正菱车业配件有限公司 Multipurpose stroke die shell for producing steel cable clamping piece
CN109622872A (en) * 2018-12-21 2019-04-16 厦门恒耀金属有限公司 A kind of cold-heading molding technique of the eccentric flange nut with boss and its applied composable mold
CN109622872B (en) * 2018-12-21 2024-04-09 厦门恒耀金属有限公司 Cold heading forming process of eccentric flange nut with boss and combined die applied by cold heading forming process
CN109719248A (en) * 2019-02-21 2019-05-07 鹏驰五金制品(昆山)有限公司 A kind of rearview mirror bolt processing technic featuring
CN110576143A (en) * 2019-09-20 2019-12-17 宾科汽车紧固件(昆山)有限公司 cold heading device and process for forming screw and screw

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120725

Termination date: 20151126