CN201889387U - Mold structure for forming forging billet of motorcycle convex-claw gear - Google Patents
Mold structure for forming forging billet of motorcycle convex-claw gear Download PDFInfo
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- CN201889387U CN201889387U CN2010206455775U CN201020645577U CN201889387U CN 201889387 U CN201889387 U CN 201889387U CN 2010206455775 U CN2010206455775 U CN 2010206455775U CN 201020645577 U CN201020645577 U CN 201020645577U CN 201889387 U CN201889387 U CN 201889387U
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- matched moulds
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- circular hole
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Abstract
The utility model provides a mold structure for forming a forging billet of a motorcycle convex-claw gear, comprising an upper die and a lower die, wherein the upper die comprises an upper die plate, an upper die core and a guide sleeve; the upper die core and the guide sleeve are respectively fixed with the upper die plate; the lower die comprises a lower die plate, a lower die core and a guide column; the lower die core and the guide column are respectively fixed with the lower die plate; and the guide column is inserted into the guide sleeve in a sliding manner. The mold structure is characterized in that the upper die core is externally sheathed with an upper die-combining ring; the lower die core is externally sheathed with a lower die-combining ring; and when the upper die and the lower die are combined, the upper die-combining ring and the lower die-combining ring are mutually and tightly sheathed. In the mold structure, the alignment accuracy of an upper die core cavity and a lower die core cavity can be improved.
Description
Technical field
The utility model relates to the mould structure that a kind of metal blank forges, and relates in particular to be used for the mould structure that motorcycle dog Gear Forging Stock is shaped.
Background technology
The forging stock of motorcycle engage a gear gear forms by the mould forging and pressing, existing mould comprises upper die and lower die, wherein patrix comprises cope match-plate pattern, the upper mold core and the guide pin bushing that fix with cope match-plate pattern, counterdie comprises lower bolster, the lower mold core and the guide pillar that fix with lower bolster, guide pillar slides and is inserted in the guide pin bushing so that the accurate contraposition of the die cavity of the die cavity of upper mold core and lower mold core, and the axiality of the die cavity of the die cavity of assurance upper mold core and lower mold core, the upper mold core die cavity of existing mold and lower mold core die cavity axiality are about 0.3mm, adopt the mould of this structure to cause engage a gear gear dog positional precision poor easily, produce disconnected pawl, problem such as engage a gear is unreliable.
The utility model content
The technical problem that the utility model solves is: the mould structure that provides a kind of motorcycle dog Gear Forging Stock to be shaped, can improve the accuracy of upper mold core die cavity and the contraposition of lower mold core die cavity.
The technical solution of the utility model is: the mould structure that a kind of motorcycle dog Gear Forging Stock is shaped, comprise upper die and lower die, described patrix comprises cope match-plate pattern, upper mold core and the guide pin bushing that fixes with cope match-plate pattern respectively, described counterdie comprises lower bolster, lower mold core and the guide pillar that fixes with lower bolster respectively, described guide pillar slides and is inserted in the described guide pin bushing, it is characterized in that, the outside of described upper mold core is with the matched moulds circle, the outside of described lower mold core is with down the matched moulds circle, when described patrix and described counterdie matched moulds, described upward matched moulds circle and the closely socket mutually of described matched moulds circle down.
The middle part of described last matched moulds circle is provided with one and is used for assembling circular hole and contraposition circular hole that is used for following matched moulds circle insertion that upper mold core is passed, and described assembling circular hole and described contraposition circular hole have same hole heart line; Described down matched moulds circle has and extends upward to the cylindrical shape contraposition boss that is used for being inserted into matched moulds circle contraposition circular hole, the described middle part of matched moulds circle down is provided with one and is used for the assembling circular hole that lower mold core is passed, and the described external diameter of matched moulds circle cylindrical shape contraposition boss down equals the described diameter of going up the contraposition circular hole of matched moulds circle.
Described upper mold core lateral wall is provided with the position limiting convex ring that a circle radially extends, and the described assembling circular-hole internal-wall of going up the matched moulds circle is provided with the spacing bayonet socket that matches with described position limiting convex ring.
The die cavity of upper mold core is positioned at the described contraposition circular hole of going up the matched moulds circle.
The hole wall of the contraposition circular hole of last matched moulds circle has vent-hole.
The described middle part of matched moulds circle down is provided with one and is used for assembling circular hole and contraposition circular hole that is used for the insertion of matched moulds circle that lower mold core is passed, and described assembling circular hole and described contraposition circular hole have same hole heart line; The described matched moulds circle of going up has and extends into the cylindrical shape contraposition boss that is used for being inserted into down matched moulds circle contraposition circular hole downwards, described middle part of going up the matched moulds circle is provided with one and is used for the assembling circular hole that upper mold core is passed, and the external diameter of last matched moulds circle cylindrical shape contraposition boss equals the described diameter of the contraposition circular hole of matched moulds circle down.
The described lateral wall of going up the matched moulds circle has the flange that a circle radially extends, and trim ring is upwards pushed down the flange of described patrix circle on one; The lateral wall of last matched moulds circle radially closely contacts with the madial wall of last trim ring.
The described lateral wall of matched moulds circle down has the flange that a circle radially extends, and a lower clamping ring is pushed down the described flange of matched moulds circle down downwards; The lateral wall of following matched moulds circle radially closely contacts with the madial wall of lower clamping ring.
The beneficial effects of the utility model are: because the outside of upper mold core is with the matched moulds circle, the outside of lower mold core is with down the matched moulds circle, when the upper die and lower die matched moulds, on the one hand, guide pillar and guide pin bushing can provide guide effect to the contraposition between upper mold core die cavity and the lower mold core die cavity, on the other hand, last matched moulds circle and following matched moulds circle can provide guide effect to the contraposition between upper mold core die cavity and the lower mold core die cavity in the process of closely socket.Therefore, the utility model can improve the accuracy of upper mold core die cavity and the contraposition of lower mold core die cavity, the axiality of upper mold core die cavity and lower mold core die cavity is controlled in the 0.15mm, thereby improves the precision of motorcycle engage a gear gear dog position and the reliability of engage a gear.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Embodiment one
Referring to Fig. 1, the mould structure that motorcycle dog Gear Forging Stock is shaped comprises patrix 1 and counterdie 2, and wherein patrix 1 comprises cope match-plate pattern 3, cylindrical shape upper bolster 4, goes up switch base plate 5, goes up small raft 6, goes up trim ring 7, goes up matched moulds circle 8, upper mold core 9 and guide pin bushing 22.Cylindrical shape upper bolster 4 is fixed on the lower surface of cope match-plate pattern 3 by screw, and last switch base plate 5 is positioned at the cavity inside of cylindrical shape upper bolster 4 and is fixed on the lower surface of cope match-plate pattern 3 by screw.Upper mold core 9 lateral walls are provided with the position limiting convex ring that a circle radially extends, the middle part of last matched moulds circle 8 is provided with one and is used for assembling circular hole and contraposition circular hole 8a who is used for following matched moulds circle insertion that upper mold core 9 is passed, the assembling circular hole of last matched moulds circle 8 and the contraposition circular hole of last matched moulds circle 8 have same hole heart line, the assembling circular hole of last matched moulds circle 8 is positioned at the contraposition circular hole top of matched moulds circle 8 and constitutes shoulder hole, and the component location guide bore dia of last matched moulds circle 8 is less than the contraposition Circularhole diameter of last matched moulds circle 8.The assembling circular-hole internal-wall of last matched moulds circle 8 is provided with the spacing bayonet socket that matches with the position limiting convex ring of upper mold core 9.Last matched moulds circle 8 is enclosed within the outside of upper mold core 9, and the die cavity of upper mold core 9 is positioned at the contraposition circular hole of matched moulds circle 8, and the position limiting convex ring of upper mold core 9 lateral walls is stuck in the spacing bayonet socket of matched moulds circle 8 to prevent that upper mold core from dropping downwards.The lateral wall of last matched moulds circle 8 has the flange that a circle radially extends, last trim ring 7 is upwards pushed down the flange of matched moulds circle 8, last trim ring 7 is fixed on the lower surface of cylindrical shape upper bolster 4 by screw, and the lateral wall of last matched moulds circle 8 radially closely contacts with the madial wall of last trim ring 7.The hole wall of the contraposition circular hole of last matched moulds circle 8 has vent-hole 23.Last small raft 6 is horizontally disposed to contact in cylindrical shape upper bolster 4 and with last switch base plate 5 downsides, and last small raft 6 holds out against upper mold core 9 downwards, small raft 6 in the utilization, goes up the downside that matched moulds circle 8 and last trim ring 7 are fixed on upper mold core cope match-plate pattern 3.
Embodiment two
Referring to Fig. 2, the mould structure that motorcycle dog Gear Forging Stock is shaped comprises patrix 1 and counterdie 2, and wherein patrix 1 comprises cope match-plate pattern 3, cylindrical shape upper bolster 4, goes up switch base plate 5, goes up small raft 6, goes up trim ring 7, goes up matched moulds circle 8, upper mold core 9 and guide pin bushing 22.Cylindrical shape upper bolster 4 is fixed on the lower surface of cope match-plate pattern 3 by screw, and last switch base plate 5 is positioned at the cavity inside of cylindrical shape upper bolster 4 and is fixed on the lower surface of cope match-plate pattern 3 by screw.Upper mold core 9 lateral walls are provided with the position limiting convex ring that a circle radially extends, last matched moulds circle 8 has and extends to form the cylindrical shape contraposition boss that is used for being inserted into down matched moulds circle contraposition circular hole downwards, and the middle part of last matched moulds circle 8 is provided with one and is used for the assembling circular hole that upper mold core 9 is passed.The assembling circular-hole internal-wall of last matched moulds circle 8 is provided with the spacing bayonet socket that matches with the position limiting convex ring of upper mold core 9.Last matched moulds circle 8 is enclosed within the outside of upper mold core 9, and the position limiting convex ring of upper mold core 9 lateral walls is stuck in the spacing bayonet socket of matched moulds circle 8 to prevent that upper mold core 9 from dropping downwards.The lateral wall of last matched moulds circle 8 has the flange that a circle radially extends, last trim ring 7 is upwards pushed down the flange of matched moulds circle 8, last trim ring 7 is fixed on the lower surface of cylindrical shape upper bolster 4 by screw, and the lateral wall of last matched moulds circle 8 radially closely contacts with the madial wall of last trim ring 7.Last small raft 6 is horizontally disposed to contact in cylindrical shape upper bolster 4 and with last switch base plate 5 downsides, and last small raft 6 holds out against upper mold core 9 downwards, small raft 6 in the utilization, goes up the downside that matched moulds circle 8 and last trim ring 7 are fixed on upper mold core 9 cope match-plate pattern 3.
Claims (8)
1. the mould structure that is shaped of a motorcycle dog Gear Forging Stock, comprise upper die and lower die, described patrix comprises cope match-plate pattern, the upper mold core and the guide pin bushing that fix with cope match-plate pattern respectively, described counterdie comprises lower bolster, the lower mold core and the guide pillar that fix with lower bolster respectively, described guide pillar slides and is inserted in the described guide pin bushing, it is characterized in that: the outside of described upper mold core is with the matched moulds circle, the outside of described lower mold core is with down the matched moulds circle, when described patrix and described counterdie matched moulds, described upward matched moulds circle and the closely socket mutually of described matched moulds circle down.
2. the mould structure that is shaped according to the described motorcycle dog of claim 1 Gear Forging Stock, it is characterized in that: the middle part of described last matched moulds circle is provided with one and is used for assembling circular hole and contraposition circular hole that is used for following matched moulds circle insertion that upper mold core is passed, and described assembling circular hole and described contraposition circular hole have same hole heart line; Described down matched moulds circle has and extends upward to the cylindrical shape contraposition boss that is used for being inserted into matched moulds circle contraposition circular hole, the described middle part of matched moulds circle down is provided with one and is used for the assembling circular hole that lower mold core is passed, and the described external diameter of matched moulds circle cylindrical shape contraposition boss down equals the described diameter of going up the contraposition circular hole of matched moulds circle.
3. the mould structure that is shaped according to the described motorcycle dog of claim 2 Gear Forging Stock, it is characterized in that: described upper mold core lateral wall is provided with the position limiting convex ring that a circle radially extends, and the described assembling circular-hole internal-wall of going up the matched moulds circle is provided with the spacing bayonet socket that matches with described position limiting convex ring.
4. according to the mould structure of the described motorcycle dog of claim 2 Gear Forging Stock shaping, it is characterized in that: the die cavity of upper mold core is positioned at the described contraposition circular hole of going up the matched moulds circle.
5. according to the mould structure of the described motorcycle dog of claim 2 Gear Forging Stock shaping, it is characterized in that: the hole wall of going up the contraposition circular hole of matched moulds circle has vent-hole.
6. the mould structure that is shaped according to the described motorcycle dog of claim 1 Gear Forging Stock, it is characterized in that: the described middle part of matched moulds circle down is provided with one and is used for assembling circular hole and contraposition circular hole that is used for the insertion of matched moulds circle that lower mold core is passed, and described assembling circular hole and described contraposition circular hole have same hole heart line; The described matched moulds circle of going up has and extends into the cylindrical shape contraposition boss that is used for being inserted into down matched moulds circle contraposition circular hole downwards, described middle part of going up the matched moulds circle is provided with one and is used for the assembling circular hole that upper mold core is passed, and the external diameter of last matched moulds circle cylindrical shape contraposition boss equals the described diameter of the contraposition circular hole of matched moulds circle down.
7. the mould structure that is shaped according to the described motorcycle dog of claim 1 Gear Forging Stock, it is characterized in that: the described lateral wall of going up the matched moulds circle has the flange that a circle radially extends, and trim ring is upwards pushed down the flange of described patrix circle on one; The lateral wall of last matched moulds circle radially closely contacts with the madial wall of last trim ring.
8. according to the mould structure of the described motorcycle dog of claim 1 Gear Forging Stock shaping, it is characterized in that: the described lateral wall of matched moulds circle down has the flange that a circle radially extends, and a lower clamping ring is pushed down the described flange of matched moulds circle down downwards; The lateral wall of following matched moulds circle radially closely contacts with the madial wall of lower clamping ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010206455775U CN201889387U (en) | 2010-12-07 | 2010-12-07 | Mold structure for forming forging billet of motorcycle convex-claw gear |
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CN2010206455775U CN201889387U (en) | 2010-12-07 | 2010-12-07 | Mold structure for forming forging billet of motorcycle convex-claw gear |
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CN201889387U true CN201889387U (en) | 2011-07-06 |
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CN2010206455775U Expired - Lifetime CN201889387U (en) | 2010-12-07 | 2010-12-07 | Mold structure for forming forging billet of motorcycle convex-claw gear |
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102430692A (en) * | 2011-10-19 | 2012-05-02 | 浙江工业大学 | Cold precision forging process for bevel gear and mould thereof |
CN102814405A (en) * | 2012-08-24 | 2012-12-12 | 昆山荣腾模具部品制造有限公司 | Drawing die |
CN102847793A (en) * | 2012-08-24 | 2013-01-02 | 昆山荣腾模具部品制造有限公司 | Trimming, flanging and side punching compound die |
CN102896377A (en) * | 2012-09-18 | 2013-01-30 | 华创机器人制造有限公司 | Grinding die for pinion of duplicate gear |
CN103447779A (en) * | 2013-08-09 | 2013-12-18 | 山东温岭精锻科技有限公司 | Drive axle bevel gear forge piece forging process and equipment |
CN103480785A (en) * | 2013-09-27 | 2014-01-01 | 江苏太平洋精锻科技股份有限公司 | Cold sizing die for cam ring positioned by ratchets |
CN103624489A (en) * | 2013-11-13 | 2014-03-12 | 塞里姆株式会社 | Method and device for manufacturing housing washers for automatic transmissions in high throughput through cold forging |
CN104722693A (en) * | 2015-03-17 | 2015-06-24 | 青阳县鑫安特汽车零配件有限公司 | Automobile cylindrical gear forging and forming device |
CN104759479A (en) * | 2015-03-17 | 2015-07-08 | 青阳县鑫安特汽车零配件有限公司 | Cold-extruding apparatus of automobile gear |
CN104841822A (en) * | 2015-06-04 | 2015-08-19 | 浙江中集铸锻有限公司 | Hot-forging cooling system |
CN104972044A (en) * | 2015-07-09 | 2015-10-14 | 天津天海精密锻造有限公司 | Forging and pressing die |
CN105149492A (en) * | 2015-10-10 | 2015-12-16 | 武汉新威奇科技有限公司 | Die of electric screw press |
CN105268886A (en) * | 2015-11-30 | 2016-01-27 | 贵州航天新力铸锻有限责任公司 | Heading extruding and forming method for internal T-shaped ring part blank |
CN106694778A (en) * | 2017-01-19 | 2017-05-24 | 上海交大中京锻压有限公司 | Thin bowl bottom besides-star wheel forging mold structure |
CN108672630A (en) * | 2018-05-11 | 2018-10-19 | 广西奇飞科技有限公司 | A kind of butterfly blade mold |
CN108907053A (en) * | 2018-06-29 | 2018-11-30 | 安徽宜安精密机械零部件有限公司 | A kind of face gear finish forge mould |
CN112222347A (en) * | 2020-09-18 | 2021-01-15 | 郑州机械研究所有限公司 | Multidirectional extrusion die carrier structure |
CN112846066A (en) * | 2021-03-05 | 2021-05-28 | 苏州市旭飞精密机械有限公司 | Extrusion processing technology of traction ring |
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2010
- 2010-12-07 CN CN2010206455775U patent/CN201889387U/en not_active Expired - Lifetime
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102430692A (en) * | 2011-10-19 | 2012-05-02 | 浙江工业大学 | Cold precision forging process for bevel gear and mould thereof |
CN102814405A (en) * | 2012-08-24 | 2012-12-12 | 昆山荣腾模具部品制造有限公司 | Drawing die |
CN102847793A (en) * | 2012-08-24 | 2013-01-02 | 昆山荣腾模具部品制造有限公司 | Trimming, flanging and side punching compound die |
CN102896377A (en) * | 2012-09-18 | 2013-01-30 | 华创机器人制造有限公司 | Grinding die for pinion of duplicate gear |
CN102896377B (en) * | 2012-09-18 | 2014-08-27 | 华创机器人制造有限公司 | Grinding die for pinion of duplicate gear |
CN103447779A (en) * | 2013-08-09 | 2013-12-18 | 山东温岭精锻科技有限公司 | Drive axle bevel gear forge piece forging process and equipment |
CN103480785A (en) * | 2013-09-27 | 2014-01-01 | 江苏太平洋精锻科技股份有限公司 | Cold sizing die for cam ring positioned by ratchets |
CN103624489A (en) * | 2013-11-13 | 2014-03-12 | 塞里姆株式会社 | Method and device for manufacturing housing washers for automatic transmissions in high throughput through cold forging |
CN104722693B (en) * | 2015-03-17 | 2017-11-21 | 青阳县鑫安特汽车零配件有限公司 | A kind of automobile roller gear forging and forming device |
CN104722693A (en) * | 2015-03-17 | 2015-06-24 | 青阳县鑫安特汽车零配件有限公司 | Automobile cylindrical gear forging and forming device |
CN104759479A (en) * | 2015-03-17 | 2015-07-08 | 青阳县鑫安特汽车零配件有限公司 | Cold-extruding apparatus of automobile gear |
CN104841822A (en) * | 2015-06-04 | 2015-08-19 | 浙江中集铸锻有限公司 | Hot-forging cooling system |
CN104841822B (en) * | 2015-06-04 | 2016-08-24 | 浙江中集铸锻有限公司 | A kind of forge hot cooling system |
CN104972044A (en) * | 2015-07-09 | 2015-10-14 | 天津天海精密锻造有限公司 | Forging and pressing die |
CN105149492A (en) * | 2015-10-10 | 2015-12-16 | 武汉新威奇科技有限公司 | Die of electric screw press |
CN105268886A (en) * | 2015-11-30 | 2016-01-27 | 贵州航天新力铸锻有限责任公司 | Heading extruding and forming method for internal T-shaped ring part blank |
CN106694778A (en) * | 2017-01-19 | 2017-05-24 | 上海交大中京锻压有限公司 | Thin bowl bottom besides-star wheel forging mold structure |
CN108672630A (en) * | 2018-05-11 | 2018-10-19 | 广西奇飞科技有限公司 | A kind of butterfly blade mold |
CN108907053A (en) * | 2018-06-29 | 2018-11-30 | 安徽宜安精密机械零部件有限公司 | A kind of face gear finish forge mould |
CN112222347A (en) * | 2020-09-18 | 2021-01-15 | 郑州机械研究所有限公司 | Multidirectional extrusion die carrier structure |
CN112846066A (en) * | 2021-03-05 | 2021-05-28 | 苏州市旭飞精密机械有限公司 | Extrusion processing technology of traction ring |
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Granted publication date: 20110706 |
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