CN104942214A - Forging technology for race used for large-scale mine vehicle wheel - Google Patents
Forging technology for race used for large-scale mine vehicle wheel Download PDFInfo
- Publication number
- CN104942214A CN104942214A CN201410117000.XA CN201410117000A CN104942214A CN 104942214 A CN104942214 A CN 104942214A CN 201410117000 A CN201410117000 A CN 201410117000A CN 104942214 A CN104942214 A CN 104942214A
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- CN
- China
- Prior art keywords
- convex shoulder
- forging
- forging technology
- scale mine
- seat ring
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/38—Making machine elements wheels; discs rims; tyres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a forging technology for a race used for a large-scale mine vehicle wheel. The forging technology comprises the steps that 1 rough forging process: the blank is placed into a heating furnace to heat firstly, the heating temperature ranges from 1200 DEG C to 1300 DEG C, and primary chambering is conducted on the blank heated by the heating furnace through a die; 2 refined forging process: secondary chambering is conducted on the blank on the blank on which ring rolling is conducted through the same die, and a forge piece is manufactured. The race forge piece used for the large-scale mine vehicle wheel made by the forging technology provided by the invention has the advantages that the material use is saved, preparation is made for the follow-up thermal treatment, and the quality and performance of the product are guaranteed; two-station ring rolling is achieved, second melt down of the product is avoided, and the energy is saved.
Description
Technical field
The invention belongs to mould for forging technical field, be specifically related to a kind of Forging Technology of large-scale mine wheel seat ring.
Background technology
Large-scale mine wheel seat ring forging products is complex-shaped, and product parts inner diametric step depth is very large, and for as far as possible close to part, reduce forging surplus, the depth of forging also wants large, and it is large to roll over ring difficulty, the press power that needs are larger like this, and needs preformed.At present, mostly traditional large-scale mine wheel seat ring forging process mode is first to be processed into mould for forging the forging that cross section is rectangular configuration, and then carry out fine finishining after the shape being cut into by forging close to product design, this mode exists that chipping allowance is large, waste material, shortcoming that processing cost is high.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provide that a kind of chipping allowance is little, stable performance, material-saving and the low large-scale mine wheel seat ring of processing cost Forging Technology.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
The Forging Technology of a kind of large-scale mine wheel of the present invention seat ring, it comprises the following steps:
(1) rough forge operation, first puts into heating furnace by blank and heats, and heating-up temperature is 1200 ~ 1300 DEG C, and the blank mould through heating furnace heating carries out first reaming;
(2) finish forge operation, carries out second reaming by through first blank of rolling over ring with same mould, obtained forging.
Wherein, described mould comprises core roller and main mould, forging is arranged between described core roller and described main mould, it is the cylindrical section of cylindrical structure in the middle part of described core roller, described cylindrical section is provided with convex shoulder and lower convex shoulder, groove is formed between described upper convex shoulder and described lower convex shoulder, the upper surface of described upper convex shoulder is downward-sloping, the lower surface of described upper convex shoulder is inclined upwardly, the upper surface of described lower convex shoulder is downward-sloping, the side of described lower convex shoulder is outward-dipping from top to bottom, and the side of described main mould is vertical plane.
Further, swing to control forging, also be provided with and embrace roller arrangement, described armful of roller arrangement comprises embraces roll shaft, described armful of roll shaft one end is fixed on embraces on roll shaft holder, the described armful of roll shaft other end is fixedly connected with embraces roller, and described armful of roller top is provided with boss, and described armful of roll shaft can move up and down relative to described armful of roller bearing holder.
Further, downward-sloping 42 ° ~ 48 ° of the upper surface of described upper convex shoulder.
Further, the lower surface of described upper convex shoulder is inclined upwardly 22 ° ~ 28 °, downward-sloping 6 ° ~ 8 ° of the upper surface of described lower convex shoulder, outward-dipping 1 ° ~ 5 ° from top to bottom, the side of described lower convex shoulder.
Further, described upper convex shoulder and described cylindrical section joint are the circular arc of R50.
Further, the side of described upper convex shoulder and the joint of lower surface are the circular arc of R30.
Further, the side of described lower convex shoulder and the joint of lower surface are the circular arc of R20.
The present invention is operationally:
Main mould rotates, and utilizes the driven rotation of frictional force drives forging, and core roller does straight-line feed motion while driven rotation.Under the acting in conjunction of main mould, core roller, forging produces continuous local plastic distortion.Forging is in rolled process, and because of its local pressure, contact area is asymmetric, easily produces swing.For controlling the dancing in the forging operation of rolling, setting up and embracing roller arrangement.Embrace roller to contact with forging, driven rotation under the effect of frictional force.Diameter of forgings expands, and embraces roller and does setback.
Wherein, upper convex shoulder and the cylindrical section of described core roller form the first station, and upper convex shoulder and the lower convex shoulder of described core roller form the second station, operationally, first forging is processed as the first station, when forging rolles over ring to required internal diameter, then dropped to the second station and carry out reaming.
The beneficial effect that the present invention reaches is:
The large-scale mine wheel seat ring forging processed by processing technology provided by the invention, forge monolateral surplus and be about 9-10mm, closer to the shape of product, save the use of material, raw material about 20 ~ 30% are saved than conventional rectangular forging, ratio than ever internal diameter has shape conservation 7%, and the cutting output of following process is little, and processing cost is low; Because forging surplus is little, for subsequent heat treatment is got ready, ensure that the quality and performance of product; Boss is provided with owing to embracing roller arrangement, boss serves the effect supporting forging, therefore, achieves and a core roller can be realized two station designs, save mould replacing time at least 1 hour, also save die cost, realize two stations and roll over ring, the secondary avoiding product melts down, reduce scaling loss 5%, simultaneously need not more mold exchange, directly can reach a pyrogene type, save the energy.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation embracing roller.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
The Forging Technology of a kind of large-scale mine wheel of the present invention seat ring, it comprises the following steps:
(1) rough forge operation, first puts into heating furnace by blank and heats, and heating-up temperature is 1200 ~ 1300 DEG C, and the blank mould through heating furnace heating carries out first reaming;
(2) finish forge operation, carries out second reaming by through first blank of rolling over ring with same mould, obtained forging.
As depicted in figs. 1 and 2, mould comprises core roller 1 and main mould 2, forging 3 is arranged between described core roller 1 and described main mould 2, it is the cylindrical section 4 of cylindrical structure in the middle part of described core roller 1, described cylindrical section 4 is provided with convex shoulder 5 and lower convex shoulder 6, groove 8 is formed between described upper convex shoulder 5 and described lower convex shoulder 6, the upper surface of described upper convex shoulder 5 is downward-sloping, the lower surface of described upper convex shoulder 5 is inclined upwardly, the upper surface of described lower convex shoulder 6 is downward-sloping, the side of described lower convex shoulder 6 is outward-dipping from top to bottom, the side of described main mould 2 is vertical plane.
Swing to control forging 3, also be provided with and embrace roller arrangement 7, described armful of roller arrangement 7 comprises embraces roll shaft 701, described armful of roll shaft 701 one end is fixed on embraces on roll shaft holder 702, described armful of roll shaft 701 other end is fixedly connected with embraces roller 703, described armful of roller 703 top is provided with boss 704, and described armful of roll shaft 701 can move up and down relative to described armful of roller bearing holder 702.
Wherein:
Downward-sloping 45 ° of the upper surface of described upper convex shoulder 5;
The lower surface of described upper convex shoulder 5 is inclined upwardly 25 °, downward-sloping 7 ° of the upper surface of described lower convex shoulder 6, outward-dipping 3 ° from top to bottom, the side of described lower convex shoulder 6;
Described upper convex shoulder 5 is the circular arc of R50 with described cylindrical section 4 joint;
The side of described upper convex shoulder 5 and the joint of lower surface are the circular arc of R30;
The side of described lower convex shoulder 6 and the joint of lower surface are the circular arc of R20.
The present invention is operationally:
Main mould 2 rotates, and utilizes the driven rotation of frictional force drives forging 3, and core roller 1 does straight-line feed motion while driven rotation.Under the acting in conjunction of main mould 2, core roller 1, forging 3 produces continuous local plastic distortion.Forging 3 is in rolled process, and because of its local pressure, contact area is asymmetric, easily produces swing.For controlling the dancing in forging 3 operation of rolling, setting up and embracing roller arrangement 7.Embrace roller 703 to contact with forging 3, driven rotation under the effect of frictional force.Forging 3 enlarged-diameter, embraces roller 703 and does setback.
Wherein, upper convex shoulder 5 and the cylindrical section 4 of described core roller 1 form the first station, upper convex shoulder 5 and the lower convex shoulder 6 of described core roller 1 form the second station, operationally, first forging 3 is processed as the first station, when forging 3 rolles over ring to required internal diameter, then dropped to the second station and carried out reaming.
The large-scale mine wheel seat ring forging processed by Forging Technology provided by the invention, forge monolateral surplus and be about 9-10mm, closer to the shape of product, save the use of material, raw material about 20 ~ 30% are saved than conventional rectangular forging, ratio than ever internal diameter has shape conservation 7%, and the cutting output of following process is little, and processing cost is low; Because forging surplus is little, for subsequent heat treatment is got ready, ensure that the quality and performance of product; Boss is provided with owing to embracing roller arrangement, boss serves the effect supporting forging, therefore, achieves and a core roller can be realized two station designs, save mould replacing time at least 1 hour, also save die cost, realize two stations and roll over ring, the secondary avoiding product melts down, reduce scaling loss 5%, simultaneously need not more mold exchange, directly can reach a pyrogene type, save the energy.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a Forging Technology for large-scale mine wheel seat ring, is characterized in that, comprises the following steps:
(1) rough forge operation, first puts into heating furnace by blank and heats, and heating-up temperature is 1200 ~ 1300 DEG C, and the blank mould through heating furnace heating carries out first reaming;
(2) finish forge operation, carries out second reaming by through first blank of rolling over ring with same mould, obtained forging.
2. the Forging Technology of a kind of large-scale mine wheel seat ring according to claim 1, it is characterized in that, described mould comprises core roller and main mould, forging is arranged between described core roller and described main mould, it is the cylindrical section of cylindrical structure in the middle part of described core roller, described cylindrical section is provided with convex shoulder and lower convex shoulder, groove is formed between described upper convex shoulder and described lower convex shoulder, the upper surface of described upper convex shoulder is downward-sloping, the lower surface of described upper convex shoulder is inclined upwardly, the upper surface of described lower convex shoulder is downward-sloping, the side of described lower convex shoulder is outward-dipping from top to bottom, the side of described main mould is vertical plane.
3. the Forging Technology of a kind of large-scale mine wheel seat ring according to claim 1, it is characterized in that, described mould also embraces roller arrangement, described armful of roller arrangement comprises embraces roll shaft, described armful of roll shaft one end is fixed on embraces on roll shaft holder, the described armful of roll shaft other end is fixedly connected with embraces roller, and described armful of roller top is provided with boss, and described armful of roll shaft can move up and down relative to described armful of roller bearing holder.
4. the Forging Technology of a kind of large-scale mine wheel seat ring according to Claims 2 or 3, is characterized in that, downward-sloping 42 ° ~ 48 ° of the upper surface of described upper convex shoulder.
5. the Forging Technology of a kind of large-scale mine wheel seat ring according to Claims 2 or 3, it is characterized in that, the lower surface of described upper convex shoulder is inclined upwardly 22 ° ~ 28 °, downward-sloping 6 ° ~ 8 ° of the upper surface of described lower convex shoulder, outward-dipping 1 ° ~ 5 ° from top to bottom, the side of described lower convex shoulder.
6. the Forging Technology of a kind of large-scale mine wheel seat ring according to Claims 2 or 3, is characterized in that, described upper convex shoulder and described cylindrical section joint are the circular arc of R50.
7. the Forging Technology of a kind of large-scale mine wheel seat ring according to Claims 2 or 3, is characterized in that, the side of described upper convex shoulder and the joint of lower surface are the circular arc of R30.
8. the Forging Technology of a kind of large-scale mine wheel seat ring according to Claims 2 or 3, is characterized in that, the side of described lower convex shoulder and the joint of lower surface are the circular arc of R20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117000.XA CN104942214A (en) | 2014-03-26 | 2014-03-26 | Forging technology for race used for large-scale mine vehicle wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117000.XA CN104942214A (en) | 2014-03-26 | 2014-03-26 | Forging technology for race used for large-scale mine vehicle wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104942214A true CN104942214A (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410117000.XA Pending CN104942214A (en) | 2014-03-26 | 2014-03-26 | Forging technology for race used for large-scale mine vehicle wheel |
Country Status (1)
| Country | Link |
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| CN (1) | CN104942214A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909408A (en) * | 2019-04-12 | 2019-06-21 | 洛阳圣久锻件有限公司 | A kind of rolling device of double channel pitch variable bearings lasso |
| CN110842126A (en) * | 2018-08-21 | 2020-02-28 | 无锡隆迪精密锻件有限公司 | Forging die for gear ring |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3899912A (en) * | 1972-07-10 | 1975-08-19 | Glaenzer Spicer Sa | Method and device for cold-forming rolling elements |
| JP2007289967A (en) * | 2006-04-20 | 2007-11-08 | Toyota Motor Corp | Method and device for sequentially forming annular component, and mandrel for sequential forming |
| CN101081426A (en) * | 2007-06-14 | 2007-12-05 | 兰鹏光 | Flange of wind power generation tower barrel forging shaping process |
| CN101284296A (en) * | 2008-04-23 | 2008-10-15 | 贵州航宇科技发展有限公司 | Rolling and shaping method of titanium alloy taper ring forged piece |
| KR101028501B1 (en) * | 2010-12-22 | 2011-04-11 | 주식회사 진성티이씨 | Method for manufacturing of caterpillar idler rim and a production apparatus therefore |
| KR20130118688A (en) * | 2012-04-20 | 2013-10-30 | 칼텍(주) | Manufacturing mathod of ring with complex cross-sectional shape |
| CN103406480A (en) * | 2013-08-06 | 2013-11-27 | 无锡隆迪精密锻件有限公司 | Die used for producing land leveller gear ring forged pieces |
-
2014
- 2014-03-26 CN CN201410117000.XA patent/CN104942214A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3899912A (en) * | 1972-07-10 | 1975-08-19 | Glaenzer Spicer Sa | Method and device for cold-forming rolling elements |
| JP2007289967A (en) * | 2006-04-20 | 2007-11-08 | Toyota Motor Corp | Method and device for sequentially forming annular component, and mandrel for sequential forming |
| CN101081426A (en) * | 2007-06-14 | 2007-12-05 | 兰鹏光 | Flange of wind power generation tower barrel forging shaping process |
| CN101284296A (en) * | 2008-04-23 | 2008-10-15 | 贵州航宇科技发展有限公司 | Rolling and shaping method of titanium alloy taper ring forged piece |
| KR101028501B1 (en) * | 2010-12-22 | 2011-04-11 | 주식회사 진성티이씨 | Method for manufacturing of caterpillar idler rim and a production apparatus therefore |
| KR20130118688A (en) * | 2012-04-20 | 2013-10-30 | 칼텍(주) | Manufacturing mathod of ring with complex cross-sectional shape |
| CN103406480A (en) * | 2013-08-06 | 2013-11-27 | 无锡隆迪精密锻件有限公司 | Die used for producing land leveller gear ring forged pieces |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842126A (en) * | 2018-08-21 | 2020-02-28 | 无锡隆迪精密锻件有限公司 | Forging die for gear ring |
| CN109909408A (en) * | 2019-04-12 | 2019-06-21 | 洛阳圣久锻件有限公司 | A kind of rolling device of double channel pitch variable bearings lasso |
| CN109909408B (en) * | 2019-04-12 | 2023-12-26 | 洛阳圣久锻件有限公司 | Rolling device for double-channel variable-pitch bearing ring |
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Application publication date: 20150930 |
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| RJ01 | Rejection of invention patent application after publication |