CN105127357A - Method for realizing hot extrusion forging of forging blank for flange yoke - Google Patents
Method for realizing hot extrusion forging of forging blank for flange yoke Download PDFInfo
- Publication number
- CN105127357A CN105127357A CN201510488802.6A CN201510488802A CN105127357A CN 105127357 A CN105127357 A CN 105127357A CN 201510488802 A CN201510488802 A CN 201510488802A CN 105127357 A CN105127357 A CN 105127357A
- Authority
- CN
- China
- Prior art keywords
- forging
- electric screw
- clamping mechanism
- slide block
- voussoir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Forging (AREA)
Abstract
The invention provides a method for realizing hot extrusion forging of a flange yoke forged blank. The method comprises the following specific steps: (1) a structural improvement on the forging blank for the flange yoke including that reserved blind holes, which extend from the outside to the centers of two ear forks, are formed in the ear forks and located in positions of ear holes used for accepting a universal joint; and (2) hot extrusion forging including that during the forging, pre-forging is conducted at first on a common forging press to obtain a pre-forged piece; final-forging is conducted on specific forging equipment, the pre-forged piece is put in the die cavity of a lower ear-hole extrusion die, and after being assembled, an upper ear-hole extrusion die and the lower ear-hole extrusion die are locked by a wedge die-locking mechanism; after die locking, two mandrels are quickly driven by a left electric screw mechanism and a right electric screw mechanism to form the two ear holes by extrusion and simultaneously to enable the die cavity to be filled with a blank; and the forging blank for the flange yoke with the reserved blind holes is obtained. When the method is used for flange yoke blank forging production, the equipment investment is saved by about 50%, the weight of a forged piece is reduced by about 15%, and the material cost is reduced by about 30%.
Description
Technical field
The present invention relates to a kind of forging method of flange york rough forging, specifically a kind of flange york rough forging realizes the method for hot extrusion forging.
Background technology
Flange york is one of the conventional vital part of transmitting torque in machinery and automotive transmission, current flange york forging process: by the flange york mold be arranged on forging press slide block under forging press dynamic action vertically downward, pressure is applied to being arranged on the heating circle blank that the flange york bed die of forging pressure machine worktable is placed, after mold and bed die close, obtain the flange york blank with larger overlap, then obtain flange york blank after edger trimming.This flange york blank needs to produce with large tonnage forging press in process of production, causes equipment investment fund and power consumption all very large, stock utilization lower (generally about 85%); The earhole allowance that later stage machining installs cross axle is large especially, is difficult to meet the requirement of forging industry energy conservation and lowering consumption, reducing costs, raise the efficiency.
Summary of the invention
In order to overcome existing flange york rough forging many weak points in process of production, reduce blank weight and material cost, save equipment investment, realize the hot extrusion rough forging with earhole, the present invention proposes a kind of method that flange york rough forging realizes hot extrusion forging.
Technical scheme of the present invention is: a kind of flange york rough forging realizes the method for hot extrusion forging, and concrete steps are as follows:
(1) a kind of structure of flange york rough forging is improved: this flange york rough forging, pitched formed an entirety by ring flange, two ears, two ear forks correspond to the earhole place of installing cross axle and is provided with the reserved blind hole extended from export-oriented center, bottom and the ear wall thickness range of pitching between medial surface of reserved blind hole are 2-10 millimeter, and the diameter of reserved blind hole is determined to also have allowance 1.5-6 millimeter;
(2) hot extrusion forging: blocking adopts common forging press, and finish-forging adopts special forging equipment; The structure of described special forging equipment: comprise left column, right column, upper beam, underbeam, slide block, main hydraulic cylinder, bottom knockout hydraulic cylinder, left column, right column, upper beam, underbeam form frame, slide block is led on left column, right column by guiding pair, main hydraulic cylinder is arranged on upper beam, and main hydraulic cylinder drives slide block; Bottom knockout hydraulic cylinder is arranged on below underbeam;
Left column, right column are separately installed with left electric screw mechanism, right electric screw mechanism; The structure of left electric screw mechanism, right electric screw mechanism is identical, concrete structure is: give flywheel through one-level gear power transmission by two motors, give screw pair power transmission again by flywheel, then give slide block by screw pair power transmission, thus realize Power output;
Voussoir, right fixing voussoir are fixed in the left side that is respectively equipped with above of slide block; Be provided with voussoir clamping mechanism below upper beam, voussoir clamping mechanism comprises left voussoir clamping mechanism, right voussoir clamping mechanism, and left voussoir clamping mechanism is made up of left side small cylinder, left movable wedge, and left side small cylinder drives left movable wedge; Right voussoir clamping mechanism is made up of right side small cylinder, right movable wedge, and right side small cylinder drives right movable wedge; The upper surface of left movable wedge, the upper surface of right movable wedge are slidably matched with the lower surface of upper beam respectively;
During use, slide block moves down and puts in place, voussoir clamping mechanism locking sliding block, the tension force produced when overcoming forging and stamping; Left electric screw mechanism, right electric screw mechanism, laterally realize crushing failure at high speed forging;
During forging, first on common forging press, carry out pre-forging, obtain pre-forging; Finish-forging, special forging equipment is put into pre-forging in extruding earhole lower mould chamber, special forging equipment master slider drives extruding earhole patrix to carry out matched moulds with extruding earhole counterdie vertically downward, carries out the locked mode extruding the upper and lower mould of earhole after matched moulds by voussoir clamping mechanism; After locked mode, left and right two electric screw mechanisms promote to make blank be full of die cavity while two mandrels squeeze out two earholes fast; Then, electric screw structure drives two mandrel returns, voussoir clamping mechanism return, and last slide block drives patrix return, obtains the flange york rough forging with reserved blind hole (corresponding to earhole).
The invention has the beneficial effects as follows: owing to there being new flange york rough forging structure, hot extrude extrudes block more than forging that blank earhole eliminates most of blank machined earhole position, make the processed finished products time improve about 10%, increase substantially follow-up machined efficiency.Use the present invention to carry out the production of flange york blank forging, equipment investment can be made to save about 50%, forging loss of weight about 15%, save material cost about 30%.
Accompanying drawing explanation
Fig. 1 is the front view of flange york rough forging of the present invention.
Fig. 2 is the left view of flange york rough forging of the present invention.
Fig. 3 is the special forging equipment schematic diagram that the present invention relates to.
Fig. 4 is the special forging equipment right view that the present invention relates to.
Fig. 5 is universal-joint fork pre-forging mould structure of the present invention and blank sketch.
Fig. 6 is universal-joint fork finish-forging modeling lamps structure of the present invention and pre-forging sketch (component names is as follows).
Wherein: A1 is ring flange; A2 is ear fork; A3 is reserved blind hole; 1 is left column; 2 is left electric screw mechanism; 3 is left side small cylinder; 4 is left movable wedge; 5 is left fixing voussoir; 6 is main hydraulic cylinder; 7 is upper beam; 8 is right movable wedge; 9 is right fixing voussoir; 10 is slide block; 11 is right side small cylinder; 12 is right electric screw mechanism; 1201 is screw pair; 1202 is slide block; 1203 is flywheel; 1204 is motor; 1205 is one-level gear; 13 is right column; 14 is bottom knockout hydraulic cylinder; 15 is underbeam; 16 is blocking patrix; 17 is circle blank; 18 is blocking counterdie; 19 is extruding earhole patrix; 20 is pre-forging; 21 is extruding earhole counterdie; 22 is left drift; 23 is right drift.
Detailed description of the invention
As shown in Figure 1 and Figure 2: a kind of structure of flange york rough forging is improved: a kind of flange york rough forging, pitched A2 formed an entirety by ring flange A1, two ears, two ear forks correspond to the earhole place of installing cross axle and is provided with the reserved blind hole A3 extended from export-oriented center, the wall thickness range that the bottom of reserved blind hole A3 and ear are pitched between interior A2 side is 2-10 millimeter, and the diameter of reserved blind hole A3 also has allowance 1.5-6 millimeter.The not reserved blind hole of existing flange york rough forging.
Special forging equipment as shown in Figure 3, comprise left column 1, right column 13, upper beam 7, underbeam 15, slide block 10, main hydraulic cylinder 6, bottom knockout hydraulic cylinder 14, left column 1, right column 13, upper beam 7, underbeam 15 form frame, slide block 10 is led on left column 1, right column 13 by guiding pair, main hydraulic cylinder 6 is arranged on upper beam 7, and main hydraulic cylinder 6 drives slide block 10; Bottom knockout hydraulic cylinder 14 is arranged on below underbeam, left column, right column is separately installed with left electric screw mechanism 2, right electric screw mechanism 12; Voussoir 5, right fixing voussoir 9 are fixed in the left side that is respectively equipped with above of slide block; Be provided with voussoir clamping mechanism below upper beam, voussoir clamping mechanism comprises left voussoir clamping mechanism, right voussoir clamping mechanism, and left voussoir clamping mechanism is made up of left side small cylinder 3, left movable wedge 4, and left side small cylinder 3 drives left movable wedge 4; Right voussoir clamping mechanism is made up of right side small cylinder 11, right movable wedge 8, and right side small cylinder 11 drives right movable wedge 8; The upper surface of left movable wedge 4, the upper surface of right movable wedge 8 are slidably matched with the lower surface of upper beam 7 respectively;
During use, slide block 10 moves down and puts in place, voussoir clamping mechanism locking sliding block, the tension force produced when overcoming forging and stamping; Left electric screw mechanism, right electric screw mechanism laterally realize crushing failure at high speed forging.
As shown in Figure 3, Figure 4, in the present invention, the structure of left electric screw mechanism and right electric screw mechanism is identical, the structure of right electric screw mechanism is: by two motors 1204 through one-level gear 1205 power transmission to flywheel 1203, by flywheel 1203 again power transmission to screw pair 1201, again by screw pair 1201 power transmission to slide block 1202, thus realize the Power output of electric screw mechanism.
Bottom knockout hydraulic cylinder according to different products, can adjust angle of inclination.
The present invention adopt the major function of special forging equipment to be as shown in Figure 3: slide block (or upwards) can carry out quick-make (or opening) mould vertically downward under the dynamic action of main hydraulic cylinder; After closed (or opening) mould, power two oil cylinder on left and right two columns drives voussoir can snap in (or exiting) respectively and realizes mould locking (or unblanking) between upper beam and slide block; After locking (or unblanking) mould, two electric screw mechanisms of left and right transverse movement are with active drift can carry out crushing failure at high speed forging (or returning); When needing to eject forging, material jacking mechanism according to different products, can adjust the angle of inclination of ejector beam.
In the present invention, the structure of described left electric screw mechanism and right electric screw mechanism is prior art, has two kinds of situations:
The first can be the screw conveyer of direct-drive electric screw press, comprises motor, the flywheel by motor direct-drive, the screw rod be fixed on flywheel, the slide block that driven by screw pair by screw rod;
The second, can be through the screw conveyer of the electric screw press that one-level gear transmits, comprise multiple motor, the rotating shaft of multiple motor is fixed with travelling gear, travelling gear engages with the edge of flywheel, realizes power transmission; Screw rod is fixedly connected with flywheel, the slide block driven by screw pair by screw rod.
As shown in Figure 5, Figure 6, describe the forging process that flange york rough forging realizes hot extrusion earhole in detail: during production, on common forging press, applied pressure by blocking patrix 16 carry out first time forging to being placed on counterdie 18 heat circle blank 17, obtain pre-forging 20; Then, pre-forging 20 is put into extruding earhole lower mould 21 die cavity, special forging equipment adopts equipment shown in Fig. 3) slide block is under main hydraulic cylinder dynamic action vertically downward, extruding earhole patrix 20 is driven to carry out matched moulds with extruding earhole lower mould 21, after upper die and lower die tool is closed, formed the locked mode of the upper and lower mould of extruding earhole by the voussoir clamping mechanism of special forging equipment; After locked mode, inside die cavity, carry out extruding while that left and right two electric screw mechanisms promoting left drift 22 and right drift 23 fast and make blank be full of die cavity, obtain the flange york rough forging with reserved blind hole (corresponding to earhole).Then, electric screw mechanism drives two drift returns; Then, the voussoir clamping mechanism return of special forging equipment; Finally, slide block drives mold return, realizes the process for forging of flange york rough forging hot extrusion earhole.
Claims (1)
1. flange york rough forging realizes a method for hot extrusion forging, and concrete steps are as follows:
(1) a kind of structure of flange york rough forging is improved: this flange york rough forging, pitched formed an entirety by ring flange, two ears, two ear forks correspond to the earhole place of installing cross axle and is provided with the reserved blind hole extended from export-oriented center, bottom and the ear wall thickness range of pitching between medial surface of reserved blind hole are 2-10 millimeter, and the diameter of reserved blind hole is determined to also have allowance 1.5-6 millimeter;
(2) hot extrusion forging: blocking adopts common forging press, and finish-forging adopts special forging equipment; The structure of described special forging equipment: comprise left column, right column, upper beam, underbeam, slide block, main hydraulic cylinder, bottom knockout hydraulic cylinder, left column, right column, upper beam, underbeam form frame, slide block is led on left column, right column by guiding pair, main hydraulic cylinder is arranged on upper beam, and main hydraulic cylinder drives slide block; Bottom knockout hydraulic cylinder is arranged on below underbeam;
Left column, right column are separately installed with left electric screw mechanism, right electric screw mechanism; The structure of left electric screw mechanism, right electric screw mechanism is identical, concrete structure is: give flywheel through one-level gear power transmission by two motors, give screw pair power transmission again by flywheel, then give slide block by screw pair power transmission, thus realize Power output;
Voussoir, right fixing voussoir are fixed in the left side that is respectively equipped with above of slide block; Be provided with voussoir clamping mechanism below upper beam, voussoir clamping mechanism comprises left voussoir clamping mechanism, right voussoir clamping mechanism, and left voussoir clamping mechanism is made up of left side small cylinder, left movable wedge, and left side small cylinder drives left movable wedge; Right voussoir clamping mechanism is made up of right side small cylinder, right movable wedge, and right side small cylinder drives right movable wedge; The upper surface of left movable wedge, the upper surface of right movable wedge are slidably matched with the lower surface of upper beam respectively;
During use, slide block moves down and puts in place, voussoir clamping mechanism locking sliding block, the tension force produced when overcoming forging and stamping; Left electric screw mechanism, right electric screw mechanism, laterally realize crushing failure at high speed forging;
During forging, first on common forging press, carry out pre-forging, obtain pre-forging; Finish-forging, special forging equipment is put into pre-forging in extruding earhole lower mould chamber, special forging equipment master slider drives extruding earhole patrix to carry out matched moulds with extruding earhole counterdie vertically downward, carries out the locked mode extruding the upper and lower mould of earhole after matched moulds by voussoir clamping mechanism; After locked mode, left and right two electric screw mechanisms promote to make blank be full of die cavity while two mandrels squeeze out two earholes fast; Then, electric screw structure drives two mandrel returns, voussoir clamping mechanism return, and last slide block drives patrix return, obtains the flange york rough forging with reserved blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510488802.6A CN105127357A (en) | 2015-08-12 | 2015-08-12 | Method for realizing hot extrusion forging of forging blank for flange yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510488802.6A CN105127357A (en) | 2015-08-12 | 2015-08-12 | Method for realizing hot extrusion forging of forging blank for flange yoke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105127357A true CN105127357A (en) | 2015-12-09 |
Family
ID=54713115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510488802.6A Pending CN105127357A (en) | 2015-08-12 | 2015-08-12 | Method for realizing hot extrusion forging of forging blank for flange yoke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105127357A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716671A (en) * | 2017-10-20 | 2018-02-23 | 湖南科技大学 | A kind of multi-functional pressure rolling device |
| CN108500075A (en) * | 2018-04-20 | 2018-09-07 | 北京航星机器制造有限公司 | A kind of aluminium alloy flange disk heating tube hot type mold and its extrusion forming method |
| CN108526238A (en) * | 2018-03-16 | 2018-09-14 | 北京航星机器制造有限公司 | A kind of asymmetric band lug aluminium alloy flange disk hot extrusion near-net-shape method |
| CN109611460A (en) * | 2019-01-30 | 2019-04-12 | 江苏格尔顿传动有限公司 | A kind of the propeller shaft yoke class forging part and its processing method of high production efficiency |
| TWI778867B (en) * | 2021-11-18 | 2022-09-21 | 財團法人金屬工業研究發展中心 | Apparatus for forging harmonic gears, and manufacturing method of said gears |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200984594Y (en) * | 2006-12-14 | 2007-12-05 | 天津市天锻压力机有限公司 | Lateral compressing core knockout extracting device of liquid contour forging hydrostatic press |
| CN201244649Y (en) * | 2008-09-02 | 2009-05-27 | 罗建国 | Metal closed forging press using mechanical locking mould |
| JP2010234399A (en) * | 2009-03-31 | 2010-10-21 | Hamana Parts Industry Co Ltd | Method and apparatus for manufacturing yoke |
| TW201038386A (en) * | 2009-04-30 | 2010-11-01 | Yih Feng Metal Ind Co Ltd | Method for integrally forging front fork of bicycle |
| CN102049461A (en) * | 2010-10-15 | 2011-05-11 | 中北大学 | Multidirectional numerical control hydraulic press for metal plasticity forming |
| CN201979712U (en) * | 2011-01-19 | 2011-09-21 | 青岛青锻锻压机械有限公司 | Sliding gear type electrical screw press |
| CN103464674A (en) * | 2013-09-04 | 2013-12-25 | 万向钱潮股份有限公司 | Hot forging forming method for duplex fork forged piece |
| CN203649098U (en) * | 2014-01-13 | 2014-06-18 | 合肥合锻机床股份有限公司 | Hot-pressing heat forming hydraulic machine |
| CN203702903U (en) * | 2013-12-23 | 2014-07-09 | 十堰义兴工业发展有限公司 | Flange yoke forging blank |
-
2015
- 2015-08-12 CN CN201510488802.6A patent/CN105127357A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200984594Y (en) * | 2006-12-14 | 2007-12-05 | 天津市天锻压力机有限公司 | Lateral compressing core knockout extracting device of liquid contour forging hydrostatic press |
| CN201244649Y (en) * | 2008-09-02 | 2009-05-27 | 罗建国 | Metal closed forging press using mechanical locking mould |
| JP2010234399A (en) * | 2009-03-31 | 2010-10-21 | Hamana Parts Industry Co Ltd | Method and apparatus for manufacturing yoke |
| TW201038386A (en) * | 2009-04-30 | 2010-11-01 | Yih Feng Metal Ind Co Ltd | Method for integrally forging front fork of bicycle |
| CN102049461A (en) * | 2010-10-15 | 2011-05-11 | 中北大学 | Multidirectional numerical control hydraulic press for metal plasticity forming |
| CN201979712U (en) * | 2011-01-19 | 2011-09-21 | 青岛青锻锻压机械有限公司 | Sliding gear type electrical screw press |
| CN103464674A (en) * | 2013-09-04 | 2013-12-25 | 万向钱潮股份有限公司 | Hot forging forming method for duplex fork forged piece |
| CN203702903U (en) * | 2013-12-23 | 2014-07-09 | 十堰义兴工业发展有限公司 | Flange yoke forging blank |
| CN203649098U (en) * | 2014-01-13 | 2014-06-18 | 合肥合锻机床股份有限公司 | Hot-pressing heat forming hydraulic machine |
Non-Patent Citations (1)
| Title |
|---|
| 冀东生: "汽车传动轴叉形件精密模锻工艺研究", 《锻压技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716671A (en) * | 2017-10-20 | 2018-02-23 | 湖南科技大学 | A kind of multi-functional pressure rolling device |
| CN108526238A (en) * | 2018-03-16 | 2018-09-14 | 北京航星机器制造有限公司 | A kind of asymmetric band lug aluminium alloy flange disk hot extrusion near-net-shape method |
| CN108500075A (en) * | 2018-04-20 | 2018-09-07 | 北京航星机器制造有限公司 | A kind of aluminium alloy flange disk heating tube hot type mold and its extrusion forming method |
| CN109611460A (en) * | 2019-01-30 | 2019-04-12 | 江苏格尔顿传动有限公司 | A kind of the propeller shaft yoke class forging part and its processing method of high production efficiency |
| TWI778867B (en) * | 2021-11-18 | 2022-09-21 | 財團法人金屬工業研究發展中心 | Apparatus for forging harmonic gears, and manufacturing method of said gears |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105127357A (en) | Method for realizing hot extrusion forging of forging blank for flange yoke | |
| CN105127356A (en) | Method for implementing hot extrusion forging of universal joint yoke forging blank | |
| CN202137312U (en) | Cold-extrusion die for output spline shaft of automobile automatic transmission | |
| CN103230950B (en) | Spline gear cold-extruded one-shot forming apparatus | |
| CN105081163A (en) | Method for achieving flash-free forging of forging blank | |
| CN105081191A (en) | Non-flange forging method of thrust rod head | |
| CN202290828U (en) | One-step forming die for gear shaft | |
| CN104070129B (en) | Hot extrusion forging die for pipe with flange and deep blind taper hole shaft and forging technology thereof | |
| CN208437592U (en) | Ring flange forging and molding mold | |
| CN205185359U (en) | Substep punching press punch press | |
| CN104647038A (en) | Compound plastic forming equipment, die transposition mechanism thereof and positioning method for die transposition mechanism | |
| CN105081157A (en) | Flange-free forging method of heavy-duty car balance shaft | |
| CN204262265U (en) | Double flange track roller forging mold | |
| CN107685106A (en) | A kind of large ring roughing punch-forming mold | |
| CN105170858A (en) | Spline shaft hot forging device | |
| CN202702648U (en) | Multifunctional hydraulic machine | |
| CN104384427A (en) | Method for forming precision forge piece of wind power generation spindle | |
| CN103706744A (en) | Petroleum drill rod joint horizontal die forging technology and die forging device | |
| CN105127343A (en) | Flash-free forging method of cylinder lug | |
| CN105584074A (en) | Step-by-step punching machine and step-by-step punching method | |
| CN101209597A (en) | Hydraulic punching machine | |
| CN105081164A (en) | Method for achieving flash-free forging of blank of automotive front axle I beam | |
| CN105081161A (en) | Method for achieving flash-free forging of forging blank of steering knuckle | |
| CN105081162A (en) | Method for achieving non-flash forging of universal joint fork forging blanks | |
| CN204975166U (en) | Modular forging equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151209 |
|
| WD01 | Invention patent application deemed withdrawn after publication |