CN102632184B - Method for forging roller for crawler excavator - Google Patents
Method for forging roller for crawler excavator Download PDFInfo
- Publication number
- CN102632184B CN102632184B CN201210119155.8A CN201210119155A CN102632184B CN 102632184 B CN102632184 B CN 102632184B CN 201210119155 A CN201210119155 A CN 201210119155A CN 102632184 B CN102632184 B CN 102632184B
- Authority
- CN
- China
- Prior art keywords
- forging
- finish
- roller
- die
- finished product
- 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.)
- Active
Links
Abstract
The invention provides a method for forging a roller for a crawler excavator. The method comprises the following steps of: firstly heating a blank bar; secondly forging the upper half part of the roller through an initial forging die; thirdly, forming the lower half part of the roller through a final forging die, namely forging the two parts of the roller respectively by means of two sleeved dies, wherein the forged rollers have the same central axis and do not need to be welded. Besides, the method is capable of ensuring full filling of a forge piece and also capable of effectively avoiding the deformation failure of the die.
Description
Technical field
The present invention relates to the forging method of roller for a kind of crawler-mounted excavator with flange flange.
Background technology
Roller forging on crawler-mounted excavator is a kind of forging of high complicated shape coefficient, and as shown in Figure 1, it comprises the first half 11 and Lower Half 12 two parts, the first half 11 and Lower Half 12 are all with flange flange 111,112,121,122, traditional forging mode is that two parts are separately all forged into the shape shown in Fig. 2, then in B place machining, falls unnecessary part, forms flange flange 111,112,121,122, finally the two parts after machining are welded as a whole; As shown in Figure 1, during welding, at mounting center wheel hub 6 places, two parts forging 11,12 processes respectively intermeshing ligule, reserves the chamfering of welding use at A place, ligule position, finally be welded, the shortcoming of this forging method is forging high material consumption, and follow-up machine-finish allowance is large, machined duration.Also have and adopt to roll over that ring mode forges, roll over that ring rolling is made because the requirement of milling ring technological process, need first open die forging to produce the flange of rolling over out again profile after an annular element.
Fig. 3 is the mould schematic diagram of two half modules that adopts the roller forging of common closed-die forging method solid forging, after using special simulation softward to simulate forging process, it is full that discovery is difficult to filling at the C position of Fig. 3, and the mould D of two half modules is in forging process and can be subject to very large resistance of deformation, wearing and tearing will be very serious like this, and two half module moulds will soon lose efficacy.
Summary of the invention
The technical problem to be solved in the present invention is to provide the forging method of a kind of crawler-mounted excavator with roller, and the method can by roller all with two parts solid forging of flange flange out, reduce operation, cost-effective object thereby reach.
In order to solve the problems of the technologies described above, the forging method of roller for crawler-mounted excavator provided by the invention, described roller comprises the first half and Lower Half two parts, the described first half and Lower Half all, with two flange flanges, comprise the following steps:
1) heating blank bar;
2) by first forging die, forge the first half of roller, obtain semi-finished product forging;
3) semi-finished product forging is carried out to the demoulding;
4) semi-finished product forging is forged to the Lower Half of roller by finisher, obtain finished product forging;
5) to finished product forging demoulding.
Preferably, step 2) in, described just forging die comprises just forges counterdie, just forge patrix, at the beginning of two of the shaping first half, forge half module, at the beginning of described two, forging the first forging matched moulds die cavity and the first half profile that after half module matched moulds, form matches, described just forging counterdie has upper impression and the lower impressions of connection, at the beginning of two, forging profile after half module matched moulds and the shape of described upper impression matches, the shape of described lower impressions and the profile of bar match, during shaping, first bar is put into lower impressions, by forging half module at the beginning of two, put into upper impression again, drift by first forging patrix applies effect downwards, make bar just forge in matched moulds die cavity and be extruded described, the described first half is shaped, obtain semi-finished product forging.
Further, step 3) in, in described lower impressions, be provided with and just forge die pad, described bottom of just forging counterdie is provided with just forges jogger hole, the push rod arranging on lathe stretches into the described jogger hole of just forging will just forge die pad jack-up, at the beginning of making semi-finished product forging be inconjunction with two, forge half module and eject, forge half module at the beginning of ejecting latter two to separate the demoulding that realizes semi-finished product forging.
Further, step 4) in, described finisher comprises finish-forging counterdie, finish-forging patrix, two finish-forging half modules of the described Lower Half that is shaped, the finish-forging matched moulds die cavity forming after described two finish-forging half module matched moulds is corresponding with the profile of described roller, described finish-forging counterdie have with described two finish-forging half module matched moulds after the mold cavity that matches of profile, in described mold cavity, be provided with finish-forging die pad, the bottom of described finish-forging counterdie is provided with finish-forging jogger hole, during shaping, the push rod arranging on lathe stretches into described finish-forging jogger hole finish-forging die pad jack-up is extremely flushed with the upper end face of finish-forging counterdie, then place die-cushion on finish-forging die pad, again by step 3) in the semi-finished product forging that obtains spin upside down, the first half being shaped is positioned on lower die-cushion down, described lower die-cushion can form concavo-convex cooperation with the axis hole of the first half of roller, after concavo-convex cooperation, be full of the lower space of described finish-forging matched moulds die cavity, two finish-forging half modules being embraced to semi-finished product forging and lower die-cushion is placed on described finish-forging die pad again, then described push rod slow decreasing until finish-forging die pad slow decreasing to the mold cavity bottom of finish-forging counterdie, finally the drift by finish-forging patrix applies effect downwards, bar is extruded at the upper space of described finish-forging matched moulds die cavity, the Lower Half of profile roll, obtain finished product forging.
Further, the mold cavity of described finish-forging counterdie is up big and down small with tapering.
Further, step 5) in, described push rod stretches into described finish-forging jogger hole finish-forging die pad jack-up is extremely flushed with the upper end face of finish-forging counterdie, the roller of having forged, two finish-forging half modules are ejected together with lower die-cushion, eject rear two finish-forging half modules, lower die-cushion all separates with roller the demoulding that realizes finished product forging.
The forging method of roller for crawler-mounted excavator of the present invention, adopt two cover matched moulds moulds to forge respectively two parts of roller, the roller forging has same central axis and without welding, and the method can guarantee that forging filling is full, can effectively avoid again the deformation failure of mould.
Accompanying drawing explanation
Fig. 1 is the structural representation that in prior art, crawler-mounted excavator is used roller.
Fig. 2 is the wherein structural representation of a part of roller shown in manuscript 1.
Fig. 3 is the mould schematic diagram of closed-die forging roller forging in prior art.
Fig. 4 is the structural representation of first forging die in the present invention.
Fig. 5 is the structural representation of semi-finished product forging in the present invention.
Fig. 6 is the structural representation of finisher in the present invention.
Fig. 7 is the structural representation of finished product forging in the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the solution of the present invention is further illustrated.
Crawler-mounted excavator of the present invention is with in the forging method of roller, as shown in Figure 7, roller 1 comprises the first half 11 and Lower Half 12 two parts, the first half 11 and Lower Half 12 are all with two flange flanges 111,112,121,122, roller forging method of the present invention, has saved the welding sequence after forging respectively, comprises the following steps:
1) heating blank bar;
2) as shown in Figure 4, by first forging die 3, forge the first half 11 of roller, obtain semi-finished product forging;
3) semi-finished product forging is carried out to the demoulding;
4) as shown in Figure 6, the Lower Half 12 that semi-finished product forging is forged to roller by finisher 4, obtains finished product forging;
5) to finished product forging demoulding.
Wherein, as shown in Figure 4, in step 2) in the first forging die that uses comprise and just forge counterdie 31, just forge patrix 32, at the beginning of two of the shaping first half, forge half module 33, 34, just forge on patrix 32 with drift, at the beginning of two, forge half module 33, the first forging matched moulds die cavity 35 and the first half 11 profiles that after 34 matched moulds, form match, just forge upper impression and the lower impressions that counterdie 31 has connection, at the beginning of two, forge half module 33, profile after 34 matched moulds and the shape of upper impression match, the shape of lower impressions and the profile of bar match, during shaping, first bar is put into lower impressions, at the beginning of two, forge half module 33 again, 34 put into upper impression, drift by first forging patrix 32 applies effect downwards, bar is extruded at first 35 li of the matched moulds die cavities of forging, the shaping first half 11, obtain semi-finished product forging as shown in Figure 5.As shown in Figure 4, in lower impressions, be provided with and just forge die pad 36, the bottom of just forging counterdie 31 is provided with just forges jogger hole 37, and the push rod arranging on lathe stretches into just to be forged jogger hole 37 and will just forge die pad 36 jack-up, forges half module 33 at the beginning of making semi-finished product forging be inconjunction with two, 34 eject, eject and at the beginning of latter two, forge half module 33,34 and separate performing step 3) described in the demoulding of semi-finished product forging, if forge half module 33 at the beginning of two, 34 separate less than complete and semi-finished product forging, knock gently and make it separately.
Wherein, as shown in Figure 6, step 4) in, finisher 4 comprises finish-forging counterdie 41, finish-forging patrix 42, two finish-forging half modules 43 of shaping Lower Half, 44, on finish-forging patrix 42 with drift, two finish-forging half modules 43, the finish-forging matched moulds die cavity 45 forming after 44 matched moulds is corresponding with the profile of roller 1, finish-forging counterdie 41 has and two finish-forging half modules 43, the mold cavity that profile after 44 matched moulds matches, in mold cavity, be provided with finish-forging die pad 46, the bottom of finish-forging counterdie 41 is provided with finish-forging jogger hole 47, during shaping, the push rod arranging on lathe stretches into finish-forging jogger hole 47 finish-forging die pad 46 jack-up is extremely flushed with the upper end face of finish-forging counterdie 41, then place die-cushion 5 on finish-forging die pad 46, again by step 3) in the semi-finished product forging that obtains spin upside down, the first half 11 being shaped is positioned on lower die-cushion 5 down, lower die-cushion 5 can form concavo-convex cooperation with the axis hole of the first half 11 of roller, after concavo-convex cooperation, be full of the lower space of finish-forging matched moulds die cavity 45, again by two finish-forging half modules 43, 44 embrace semi-finished product forging and lower die-cushion 5 is placed on finish-forging die pad 46, then push rod slow decreasing until finish-forging die pad 46 slow decreasings to the mold cavity bottom of finish-forging counterdie 41, because of the mold cavity of finish-forging counterdie 41 up big and down small with tapering, therefore in the process declining at finish-forging die pad 46, two finish-forging half modules 43, 44 more and more tighter by 5 armfuls of semi-finished product forging and lower die-cushions, during shaping, that drift by finish-forging patrix 42 applies effect downwards, bar is extruded at the upper space of finish-forging matched moulds die cavity 45, the Lower Half 12 of profile roll, obtain finished product forging as shown in Figure 7, lower die-cushion 5 can guarantee when the Lower Half 12 of forging, the first half 11 originally having forged can not continue distortion.In Fig. 6, the push rod arranging on lathe stretches into finish-forging jogger hole 47, finish-forging die pad 46 jack-up are extremely flushed with the upper end face of finish-forging counterdie 41, the roller 1 that makes to have forged, two finish-forging half modules 43,44 eject together with lower die-cushion 5, eject rear two finish-forging half modules 43,44, lower die-cushion 5 all separates performing step 5 with roller 1) in the demoulding of finished product forging.
The forging method that the present invention proposes, utilize the mode of closed-die forging (being HALF die forging method) first to forge the first half of roller, the mode of recycling matched moulds forges the Lower Half of roller, the roller being shaped has a plurality of flanges, and roller has same central axis and without welding, and this mode, can guarantee that forging filling is full, can effectively avoid again the deformation failure of mould.
More than just the present invention has been carried out to exemplary explanation, specific implementation of the present invention is not limited to this.The insubstantial modifications that any employing design of the present invention and technical scheme are carried out, all within protection scope of the present invention.
Claims (6)
1. the forging method of roller for a crawler-mounted excavator, described roller (1) comprises the first half (11) and Lower Half (12) two parts, the described first half (11) and Lower Half (12) are all with two flange flanges (111,112,121,122), it is characterized in that, comprise the following steps:
1) heating blank bar;
2) by first forging die (3), forge the first half (11) of roller, obtain semi-finished product forging, described just forging die comprises just to be forged counterdie (31), just forges half module (33 at the beginning of forging patrix (32), the shaping first half two, 34), at the beginning of described two, forge half module (33,34) the first forging matched moulds die cavity (35) forming after matched moulds matches with the first half (11) profile, described just forging counterdie (31) has upper impression and the lower impressions of connection, at the beginning of two, forge half module (33,34) shape of the profile after matched moulds and described upper impression matches, and the shape of described lower impressions and the profile of bar match;
3) semi-finished product forging is carried out to the demoulding, if forged at the beginning of two, half module (33,34) does not have completely and semi-finished product forging separates, and knocks gently and makes it separately;
4) semi-finished product forging is forged to the Lower Half (12) of roller by finisher (4), obtain finished product forging, described finisher (4) comprises finish-forging counterdie (41), finish-forging patrix (42), two finish-forging half modules (43 of the described Lower Half that is shaped, 44), described two finish-forging half modules (43, 44) the finish-forging matched moulds die cavity (45) forming after matched moulds is corresponding with the profile of described roller (1), described finish-forging counterdie (41) has and described two finish-forging half modules (43, 44) mold cavity that the profile after matched moulds matches, in described mold cavity, be provided with finish-forging die pad (46), the bottom of described finish-forging counterdie (41) is provided with finish-forging jogger hole (47), the push rod arranging on lathe stretches into described finish-forging jogger hole (47) finish-forging die pad (46) jack-up is extremely flushed with the upper end face of finish-forging counterdie (41), then place die-cushion (5) on finish-forging die pad (46), again by step 3) in the semi-finished product forging that obtains spin upside down, the first half (11) being shaped is positioned on lower die-cushion (5) down, described lower die-cushion (5) can form concavo-convex cooperation with the axis hole of the first half (11) of roller, after concavo-convex cooperation, be full of the lower space of described finish-forging matched moulds die cavity (45),
5) to finished product forging demoulding.
2. the forging method of roller for crawler-mounted excavator according to claim 1, it is characterized in that, step 2), in, during shaping, first bar is put into lower impressions, at the beginning of two, forge half module (33 again, 34) put into upper impression, the drift by first forging patrix (32) applies effect downwards, makes bar just forge inner being extruded of matched moulds die cavity (35) described, the described first half (11) that is shaped, obtains semi-finished product forging.
3. the forging method of roller for crawler-mounted excavator according to claim 2, it is characterized in that, step 3) in, in described lower impressions, be provided with and just forge die pad (36), described bottom of just forging counterdie (31) is provided with just forges jogger hole (37), the push rod arranging on lathe stretches into the described jogger hole (37) of just forging will just forge die pad (36) jack-up, at the beginning of making semi-finished product forging be inconjunction with two, forge half module (33,34) eject, at the beginning of ejecting latter two, forge half module (33,34) and separate the demoulding that realizes semi-finished product forging.
4. the forging method of roller for crawler-mounted excavator according to claim 3, it is characterized in that, step 4) in, during shaping, again by two finish-forging half modules (43, 44) embracing semi-finished product forging and lower die-cushion (5) is placed on described finish-forging die pad (46), then described push rod slow decreasing until finish-forging die pad (46) slow decreasing to the mold cavity bottom of finish-forging counterdie (41), finally the drift by finish-forging patrix (42) applies effect downwards, bar is extruded at the upper space of described finish-forging matched moulds die cavity (45), the Lower Half of profile roll (12), obtain finished product forging.
5. the forging method of roller for crawler-mounted excavator according to claim 4, is characterized in that, the mold cavity of described finish-forging counterdie (41) is up big and down small with tapering.
6. the forging method of roller for crawler-mounted excavator according to claim 4, it is characterized in that, step 5) in, described push rod stretches into described finish-forging jogger hole (47) finish-forging die pad (46) jack-up is extremely flushed with the upper end face of finish-forging counterdie (41), make the roller (1) of having forged, two finish-forging half modules (43,44) and lower die-cushion (5) eject together, eject rear two finish-forging half modules (43,44), lower die-cushion (5) and all separate with roller (1) demoulding that realizes finished product forging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210119155.8A CN102632184B (en) | 2012-04-20 | 2012-04-20 | Method for forging roller for crawler excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210119155.8A CN102632184B (en) | 2012-04-20 | 2012-04-20 | Method for forging roller for crawler excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102632184A CN102632184A (en) | 2012-08-15 |
| CN102632184B true CN102632184B (en) | 2014-10-08 |
Family
ID=46616866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210119155.8A Active CN102632184B (en) | 2012-04-20 | 2012-04-20 | Method for forging roller for crawler excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102632184B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056602A (en) * | 2012-09-11 | 2013-04-24 | 昌利锻造有限公司 | Manufacturing method for rolling wheel for crawler excavator |
| CN105363979B (en) * | 2015-11-27 | 2017-09-22 | 昆山惠众机电有限公司 | A kind of forging technology for robot decelerator output panel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294101A (en) * | 1979-01-12 | 1981-10-13 | Diemer Donald J | Method of making single or double flanged track tractor roller for off-highway equipment |
| US4413496A (en) * | 1979-01-12 | 1983-11-08 | Diemer Donald J | Method of making flanged track tractor roller for off-highway equipment |
| US4425779A (en) * | 1979-01-12 | 1984-01-17 | Diemer Donald J | Method of making single or double flanged track tractor roller for off-highway equipment |
| US4649731A (en) * | 1983-12-02 | 1987-03-17 | Thyssen Industrie Ag, Schmiedetechnik/Bergbautechnik | Forging die |
| CN101224483A (en) * | 2007-12-28 | 2008-07-23 | 李积云 | Module for producing wheel-class parts and forging process thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2612095B1 (en) * | 1987-03-13 | 1994-05-13 | Caterpillar Inc | PROCESS AND MACHINE FOR THE MANUFACTURE BY EXTRUSION OF A HOLLOW METAL PART, PARTICULARLY A ROLLER ROLLER FOR TRACKED MACHINE |
-
2012
- 2012-04-20 CN CN201210119155.8A patent/CN102632184B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294101A (en) * | 1979-01-12 | 1981-10-13 | Diemer Donald J | Method of making single or double flanged track tractor roller for off-highway equipment |
| US4413496A (en) * | 1979-01-12 | 1983-11-08 | Diemer Donald J | Method of making flanged track tractor roller for off-highway equipment |
| US4425779A (en) * | 1979-01-12 | 1984-01-17 | Diemer Donald J | Method of making single or double flanged track tractor roller for off-highway equipment |
| US4649731A (en) * | 1983-12-02 | 1987-03-17 | Thyssen Industrie Ag, Schmiedetechnik/Bergbautechnik | Forging die |
| CN101224483A (en) * | 2007-12-28 | 2008-07-23 | 李积云 | Module for producing wheel-class parts and forging process thereof |
Non-Patent Citations (2)
| Title |
|---|
| 付文灿.支重轮半体锻模裂纹及止裂措施.《锻压机械》.1995,(第05期), |
| 支重轮半体锻模裂纹及止裂措施;付文灿;《锻压机械》;19951030(第05期);第17-20页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102632184A (en) | 2012-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102248114B (en) | Process and die for forming automobile hub by integrally forging and extruding light alloy | |
| CN204396767U (en) | Bullet train wheel forging and molding mold | |
| CN202752523U (en) | Automobile steering knuckle multidirectional die forging precision forging forming die | |
| CN102581208A (en) | Method for precisely carrying out hot forging on driven spiral bevel gear of automobile rear axle | |
| CN104139279B (en) | The manufacturing process of interior trapezoidal grooved ring shape part | |
| CN204035566U (en) | The shaping mould of powder metallurgy structural part | |
| CN102632184B (en) | Method for forging roller for crawler excavator | |
| CN106424499B (en) | A kind of manufacturing method of airbag igniter blank | |
| CN103447779A (en) | Drive axle bevel gear forge piece forging process and equipment | |
| CN104759572A (en) | Combined type starlike sleeve pre-forging die | |
| CN204747242U (en) | Rim becomes major part mould | |
| CN205614005U (en) | Duplex position forward finishing mould | |
| CN204307929U (en) | For interior frock of establishing high annular boss ring forging to forge | |
| CN204396763U (en) | A kind of forging mold for forging automotive steering arm | |
| CN105081161A (en) | Method for achieving flash-free forging of forging blank of steering knuckle | |
| CN203197183U (en) | Precision forging die of suspension stub shaft | |
| CN104368735B (en) | Frock for heavy mine car hub for vehicle wheel blank forging | |
| CN201711479U (en) | One-step forming mould for supporting single lug | |
| CN104475454B (en) | For interior frock of establishing high annular boss ring forging to forge | |
| CN210498188U (en) | T iron part mould structure for automobile horn | |
| CN202343841U (en) | Precision forging and forming die for blank of differential case | |
| CN104139162A (en) | A spoke casting mold | |
| CN102837164A (en) | Forging roll combined forming method of crank shaft for automobile engine and special upset die | |
| CN102773299A (en) | Cross-axle cold extrusion die | |
| CN201950141U (en) | Improved upper die ejector device of spinning die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |