CN102581052A - Multi-position cold extrusion molding method for universal sockets - Google Patents
Multi-position cold extrusion molding method for universal sockets Download PDFInfo
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- CN102581052A CN102581052A CN2012100314480A CN201210031448A CN102581052A CN 102581052 A CN102581052 A CN 102581052A CN 2012100314480 A CN2012100314480 A CN 2012100314480A CN 201210031448 A CN201210031448 A CN 201210031448A CN 102581052 A CN102581052 A CN 102581052A
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Abstract
The invention provides a multi-position cold extrusion molding method for universal sockets, which comprises steps of fracturing material and formation of cold extrusion blanks. After blank fracturing, a cold extrusion process includes shaping and binding selvedge to two end surfaces of the blanks; digging a straight groove guide hole in the center of the end surface facing front, enabling the opening of the straight groove guide hole to present in a guide surface shape; digging a square hole inwards on the basis of a guide hole of a square hole, and simultaneously, forming a guide hole of a circular hole at the bottom of the square hole; feeding scrap iron on the basis of the guide hole of the circular hole, and forming a through hole of the circular hole between the square hole bottom and the straight groove bottom. According to the multi-position cold extrusion molding method for the universal sockets, the cold extrusion process is used for molding by one step, the processing dimensional stability is high, the product surface is smooth, the scraps during a production process is few, processing methods such as scrap iron feeding and the like enables the scraps in the process to be recycled, and raw material waste is reduced.
Description
Technical field
The present invention relates to the manufacturing field of universal sleeve, relate in particular to the cold-extrusion molding method of universal sleeve.
Background technology
Universal sleeve is a kind of hand-held tool accessory commonly used, and profile is a cylinder, and the center has through hole, and an end of central through hole is cubic hole, and an end is a circular hole, is the less middle circular hole of diameter in the middle of circular hole and the cubic hole.At present, universal sleeve generally adopts the manufacturing of punching press cutting process, in manufacture process, need at least twice die-cut; Manufacturing procedure is complicated, and difficulty of processing is big, efficient is low, the poor dimensional stability of finished product, and hole wall is more crude; And there is unnecessary slitter edge to cut, causes raw-material waste.
Summary of the invention
Technical problem to be solved by this invention provides a kind of multistation cold-extrusion molding method of universal sleeve, can reduce difficulty of processing and production cost, improve production efficiency and product quality.
For this reason, the present invention adopts following technical scheme:
One end of the universal sleeve that processing molding method of the present invention makes inwardly has cubic hole, and the other end has straight trough, has middle circular hole through hole between said cubic hole and the straight trough.
Said multistation cold-extrusion molding method comprises that fracture forms the step of cold extrusion materials and parts, behind fracture, is provided with following cold extrusion and handles:
A, cold extrusion are to an end face shaping bundle limit of materials and parts;
B, upset materials and parts, cold extrusion is to another end face shaping bundle limit of materials and parts;
C, dig the straight trough pilot hole, make the aperture of said straight trough pilot hole be the guide face shape at materials and parts end face center forward;
D, on the basis of said straight trough pilot hole, open straight trough, and prolong materials and parts;
E, dig cubic hole pilot hole, make the aperture of said cubic hole pilot hole be the guide face shape at materials and parts end face backwards;
F, the materials and parts that overturn once more, the end face that makes pilot hole place, said cubic hole inwardly digs cubic hole, and prolongs materials and parts, simultaneously circular hole pilot hole in forming at the bottom of the hole in said cubic hole forward on the basis of said cubic hole pilot hole;
G, on the basis of middle circular hole pilot hole logical iron filings, circular hole through hole in forming at the bottom of the hole, said cubic hole and between the bottom land of said straight trough;
It is a cold extrusion station that A is handled in said cold extrusion;
Said cold extrusion treatments B, said cold extrusion are handled C and are combined as same cold extrusion station;
D is handled in said cold extrusion and said cold extrusion processing E is in same cold extrusion station;
Said cold extrusion is handled F as a cold extrusion station;
Said cold extrusion is handled G as last cold extrusion station;
The groove depth of the cubic hole length of F formation less than the straight trough of said cold extrusion processing D formation handled in said cold extrusion;
Said cold extrusion is handled the length of the middle circular hole of G formation and is handled the cubic hole length that F forms less than said cold extrusion.
When adopting technique scheme, the present invention also can adopt or combined with following further technical scheme: cold extrusion processed steps of the present invention is carried out according to following station in proper order:
(1) carries out said cold extrusion and handle A;
(2) carry out said cold extrusion step B and said cold extrusion step C, said cold extrusion step B and said cold extrusion step C carry out simultaneously, and perhaps said cold extrusion step C carries out after said cold extrusion step B;
(3) carry out said cold extrusion step D and said cold extrusion step e, said cold extrusion step D and said cold extrusion step e are carried out simultaneously, and perhaps said cold extrusion step e is carried out after said cold extrusion step D;
(4) carry out said cold extrusion step F;
(5) carry out said cold extrusion step G.
The straight trough pilot hole of C formation is handled in the aperture of the cubic hole pilot hole that the middle cold extrusion processing of station order (3) D forms greater than cold extrusion in the station order (2) aperture.
Cold extrusion step D forms the transitional pore section at the bottom land of said straight trough in the station order (3), and the hole perisporium wall of said transitional pore section is the inclined-plane.
Four jiaos of the cubic hole that the cold extrusion step F forms in the station order (4) have circular arc.
Cold extrusion step G is last one cold extrusion operation, and cold extrusion step G can be separately as a cold extrusion station, or is combined as same cold extrusion station with the cold extrusion step F.
Owing to adopt technical scheme of the present invention, the mode one-shot forming that the present invention adopts cold extrusion to handle has reduced difficulty of processing; Improved the efficient of processing, error is little in actual production process, and processing dimension stability is high; Product surface is smooth, and waste material is few in the production process; Processing modes such as logical iron filings more make the waste material in the process to recycle, and have reduced raw-material waste.
Description of drawings
Fig. 1 is a cold extrusion station sketch map of the present invention.
Fig. 2 is the A-A cutaway view among Fig. 1.
Fig. 3 handles the waste material cutaway view that logical iron filings obtain among the G for cold extrusion.
The specific embodiment
With reference to accompanying drawing.The present invention includes the step of fracture formation cold extrusion materials and parts 1, behind fracture, the present invention carries out cold extrusion in proper order according to following station and handles; In the description of the drawing and description specific embodiment; As far as materials and parts, end face up is a front end face, and end face down is a rear end face; The upper end of materials and parts is the front end or the head of described materials and parts; The lower end of materials and parts is the rear end or the afterbody of described materials and parts, and the direction that makes progress is appreciated that the direction into forward, and downward direction is appreciated that the direction into backward:
(1). cold extrusion materials and parts 1, the rear end face shaping bundle limit to materials and parts 1 makes the peripheral smooth mellow and full of rear end face 2, and in periphery certain radian or gradient, so that cold extrusion quality, the loss of minimizing mould are improved in the further location of mould and materials and parts during cold extrusion.
(2) .180 ° of upset materials and parts, the cold extrusion materials and parts are to the rear end face shaping bundle limit of materials and parts 1; Make the peripheral smooth mellow and full of rear end face 3; And in periphery certain radian or gradient, so that cold extrusion quality, the loss of minimizing mould are improved in the further location of mould and materials and parts during cold extrusion; The cold extrusion materials and parts flatten the front end face of materials and parts, and dig straight trough pilot hole 4 at the front end face center, make the aperture of straight trough pilot hole 4 be the guide face shape, handle to help next step cold extrusion.
(3). the cold extrusion materials and parts, dig straight trough 5 downwards, and prolong the length of materials and parts on the basis of straight trough pilot hole 4; Keep the external diameter of materials and parts constant; The transitional pore section 10 of circular hole in the trench bottom of straight trough 5 forms, the hole perisporium of transitional pore section 10 is the inclined-plane, like this; In follow-up cold extrusion treatment step, can the circular hole of having handled well not exerted an influence, and make that the middle circular hole through-hole wall after handling is level and smooth; Dig cubic hole pilot hole 6 at the center of materials and parts rear end face, make the aperture of said cubic hole pilot hole 6 be the guide face shape, handle to help next step cold extrusion, the aperture of cubic hole pilot hole 6 is greater than the aperture of straight trough pilot hole 4.
(4). once more 180 ° the upset materials and parts, on the basis of cubic hole pilot hole 6, inwardly dig cubic hole 7, circular hole pilot hole 8 in forming at the bottom of the hole in said cubic hole 7; And prolongation materials and parts; As shown in Figure 2, four jiaos of cubic hole 7 have radian 71, like this; Formed cubic hole 7 inner hole walls are smooth mellow and full, and help next step cold extrusion processing;
(5). logical iron filings 11 on the basis of middle circular hole pilot hole 8, get through cubic hole 7 and straight trough 5, and forming the middle circular hole 9 that connects at the bottom of the hole in cubic hole 7 and between the trench bottom of straight trough 5;
In Fig. 1, figure begins to the right from the left side, represents the materials and parts shape after station order (1), station order (2), station order (3), station order (4), the station order (5) successively.
Claims (5)
1. the multistation cold-extrusion molding method of universal sleeve; One end of said universal sleeve inwardly has cubic hole, and the other end has straight trough, has middle circular hole through hole between said cubic hole and the straight trough; It is characterized in that; Said multistation cold-extrusion molding method comprises that fracture forms the step of cold extrusion materials and parts, behind fracture, is provided with following cold extrusion and handles:
A, cold extrusion are to an end face shaping bundle limit of materials and parts;
B, upset materials and parts, cold extrusion is to another end face shaping bundle limit of materials and parts;
C, dig the straight trough pilot hole, make the aperture of said straight trough pilot hole be the guide face shape at materials and parts end face center forward;
D, on the basis of said straight trough pilot hole, open straight trough, and prolong materials and parts;
E, dig cubic hole pilot hole, make the aperture of said cubic hole pilot hole be the guide face shape at materials and parts end face backwards;
F, the materials and parts that overturn once more, the end face that makes pilot hole place, said cubic hole inwardly digs cubic hole, and prolongs materials and parts, simultaneously circular hole pilot hole in forming at the bottom of the hole in said cubic hole forward on the basis of said cubic hole pilot hole;
G, on the basis of middle circular hole pilot hole logical iron filings, circular hole through hole in forming at the bottom of the hole, said cubic hole and between the bottom land of said straight trough;
It is a cold extrusion station that A is handled in said cold extrusion;
Said cold extrusion treatments B, said cold extrusion are handled C and are combined as same cold extrusion station;
D is handled in said cold extrusion and said cold extrusion processing E is in same cold extrusion station;
Said cold extrusion is handled F as a cold extrusion station;
Said cold extrusion is handled G as last cold extrusion station;
The groove depth of the cubic hole length of F formation less than the straight trough of said cold extrusion processing D formation handled in said cold extrusion;
Said cold extrusion is handled the length of the middle circular hole of G formation and is handled the cubic hole length that F forms less than said cold extrusion.
2. the multistation cold-extrusion molding method of universal sleeve as claimed in claim 1 is characterized in that, said cold extrusion processed steps is carried out according to following station in proper order:
(1) carries out said cold extrusion and handle A;
(2) carry out said cold extrusion step B and said cold extrusion step C, said cold extrusion step B and said cold extrusion step C carry out simultaneously, and perhaps said cold extrusion step C carries out after said cold extrusion step B;
(3) carry out said cold extrusion step D and said cold extrusion step e, said cold extrusion step D and said cold extrusion step e are carried out simultaneously, and perhaps said cold extrusion step e is carried out after said cold extrusion step D;
(4) carry out said cold extrusion step F;
(5) carry out said cold extrusion step G.
3. according to claim 1 or claim 2 the multistation cold-extrusion molding method of universal sleeve is characterized in that, the aperture of the straight trough pilot hole that C forms is handled in the aperture that the cubic hole pilot hole that D forms is handled in said cold extrusion greater than said cold extrusion.
4. according to claim 1 or claim 2 the multistation cold-extrusion molding method of universal sleeve is characterized in that said cold extrusion step D forms the transitional pore section at the bottom land of said straight trough, and the hole perisporium wall of said transitional pore section is the inclined-plane.
5. according to claim 1 or claim 2 the multistation cold-extrusion molding method of universal sleeve is characterized in that four jiaos of the cubic hole that said cold extrusion step F forms have circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100314480A CN102581052A (en) | 2012-02-13 | 2012-02-13 | Multi-position cold extrusion molding method for universal sockets |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100314480A CN102581052A (en) | 2012-02-13 | 2012-02-13 | Multi-position cold extrusion molding method for universal sockets |
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| CN102581052A true CN102581052A (en) | 2012-07-18 |
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| CN2012100314480A Pending CN102581052A (en) | 2012-02-13 | 2012-02-13 | Multi-position cold extrusion molding method for universal sockets |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302452A (en) * | 2013-05-22 | 2013-09-18 | 江汉大学 | Device and method for processing copper body of thin wall of temperature adjusting device |
| CN103846628A (en) * | 2014-03-17 | 2014-06-11 | 宁波固远管件有限公司 | Cold heading sleeve processing process |
| CN103909206A (en) * | 2012-12-29 | 2014-07-09 | 宾科汽车紧固件（昆山）有限公司 | Cold heading device for sleeve and cold heading process thereof |
| CN104999022A (en) * | 2015-07-20 | 2015-10-28 | 宁波斯耐奇金属制品有限公司 | Sleeve cold heading forming technology |
| CN106112402A (en) * | 2016-07-29 | 2016-11-16 | 余姚市婉珍五金厂 | A kind of sleeve cold extrusion processing technics |
| CN106475504A (en) * | 2015-08-25 | 2017-03-08 | 上海精拓模具制造有限公司 | A kind of one-shot forming technique of employing Huff die cold-heading I-shaped product with holes |
| CN106475505A (en) * | 2015-08-25 | 2017-03-08 | 上海精拓模具制造有限公司 | A kind of one-shot forming technique of the outer round belt groove product of employing Huff die cold-heading |
| TWI632977B (en) * | 2017-08-17 | 2018-08-21 | 賴傳榮 | Short sleeve manufacturing method |
| CN112475205A (en) * | 2020-11-11 | 2021-03-12 | 金华市忠信五金工具有限公司 | Method for forming plum-blossom-shaped batch head sleeve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910091A (en) * | 1974-04-30 | 1975-10-07 | Ford Motor Co | Apparatus and method for cold extrusion of gears |
| CN1850423A (en) * | 2006-04-24 | 2006-10-25 | 安徽宁国中鼎金属制品有限公司 | Automobile bushing multi-station cold-upsetting shaping method |
| CN101058141A (en) * | 2006-04-20 | 2007-10-24 | 高盟企业股份有限公司 | Method for manufacturing sleeve |
| CN101648228A (en) * | 2009-08-27 | 2010-02-17 | 浙江拓进五金工具有限公司 | Multi-station cold extruding forming method of sleeve barrel |
| CN101648227A (en) * | 2009-08-27 | 2010-02-17 | 浙江拓进五金工具有限公司 | Multi-location cold extruding forming method of sleeve barrel |
-
2012
- 2012-02-13 CN CN2012100314480A patent/CN102581052A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910091A (en) * | 1974-04-30 | 1975-10-07 | Ford Motor Co | Apparatus and method for cold extrusion of gears |
| CN101058141A (en) * | 2006-04-20 | 2007-10-24 | 高盟企业股份有限公司 | Method for manufacturing sleeve |
| CN1850423A (en) * | 2006-04-24 | 2006-10-25 | 安徽宁国中鼎金属制品有限公司 | Automobile bushing multi-station cold-upsetting shaping method |
| CN101648228A (en) * | 2009-08-27 | 2010-02-17 | 浙江拓进五金工具有限公司 | Multi-station cold extruding forming method of sleeve barrel |
| CN101648227A (en) * | 2009-08-27 | 2010-02-17 | 浙江拓进五金工具有限公司 | Multi-location cold extruding forming method of sleeve barrel |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909206A (en) * | 2012-12-29 | 2014-07-09 | 宾科汽车紧固件（昆山）有限公司 | Cold heading device for sleeve and cold heading process thereof |
| CN103909206B (en) * | 2012-12-29 | 2016-01-13 | 宾科汽车紧固件（昆山）有限公司 | A kind of sleeve cold-heading device and cold heading technique thereof |
| CN103302452A (en) * | 2013-05-22 | 2013-09-18 | 江汉大学 | Device and method for processing copper body of thin wall of temperature adjusting device |
| CN103846628A (en) * | 2014-03-17 | 2014-06-11 | 宁波固远管件有限公司 | Cold heading sleeve processing process |
| CN103846628B (en) * | 2014-03-17 | 2016-08-31 | 宁波固远管件有限公司 | A kind of cold-heading sleeve processing technique |
| CN104999022A (en) * | 2015-07-20 | 2015-10-28 | 宁波斯耐奇金属制品有限公司 | Sleeve cold heading forming technology |
| CN106475504A (en) * | 2015-08-25 | 2017-03-08 | 上海精拓模具制造有限公司 | A kind of one-shot forming technique of employing Huff die cold-heading I-shaped product with holes |
| CN106475505A (en) * | 2015-08-25 | 2017-03-08 | 上海精拓模具制造有限公司 | A kind of one-shot forming technique of the outer round belt groove product of employing Huff die cold-heading |
| CN106112402A (en) * | 2016-07-29 | 2016-11-16 | 余姚市婉珍五金厂 | A kind of sleeve cold extrusion processing technics |
| TWI632977B (en) * | 2017-08-17 | 2018-08-21 | 賴傳榮 | Short sleeve manufacturing method |
| CN112475205A (en) * | 2020-11-11 | 2021-03-12 | 金华市忠信五金工具有限公司 | Method for forming plum-blossom-shaped batch head sleeve |
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Application publication date: 20120718 |