CN108817093B - Method for forming special-shaped ring blank - Google Patents
Method for forming special-shaped ring blank Download PDFInfo
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- CN108817093B CN108817093B CN201810390120.5A CN201810390120A CN108817093B CN 108817093 B CN108817093 B CN 108817093B CN 201810390120 A CN201810390120 A CN 201810390120A CN 108817093 B CN108817093 B CN 108817093B
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- roller
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- blank
- stamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Forging (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to the field of processing and manufacturing of special-shaped ring pieces, in particular to a method for forming a special-shaped ring blank. A method for forming a profiled ring blank, comprising the steps of: step 1: feeding the plate raw material into a roller device, wherein the roller device rolls the front end surface and the back end surface of the plate to form rolling surfaces, and the rolling surfaces on the two sides correspond to each other; the rolling surface comprises a ring body and a groove positioned in the ring body; step 2: annealing the special-shaped plate rolled in the step 1; and step 3: and carrying out a stamping process on the annealed special-shaped plate to obtain a special-shaped ring blank. The method for forming the special-shaped ring blank simplifies the process steps and improves the production efficiency.
Description
Technical Field
The invention relates to the field of processing and manufacturing of special-shaped ring pieces, in particular to a method for forming a special-shaped ring blank.
Background
The traditional ring part blank manufacturing is generally to roll a steel ingot into a round bar by a multi-stand rolling mill, and then the round bar is obtained by hot forging, spheroidizing annealing and turning in sequence, wherein the structure of the ring part blank is realized by the hot forging process. However, the traditional process has the disadvantages of low production efficiency, high labor intensity of workers and severe environment in the forging process, and the machining and the manufacturing of the annular parts are severely restricted.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a method for forming a blank of a special-shaped ring, which simplifies the process steps and improves the production efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for forming a blank of a special-shaped ring is characterized by comprising the following steps: the method comprises the following steps:
step 1: feeding the plate raw material into a roller device, wherein the roller device rolls the front end surface and the back end surface of the plate to form rolling surfaces, and the rolling surfaces on the two sides correspond to each other; the rolling surface comprises a ring body and a groove positioned in the ring body;
step 2: annealing the special-shaped plate rolled in the step 1;
and step 3: and carrying out a stamping process, a laser cutting process or a high-pressure water cutting process on the annealed special-shaped plate to obtain a special-shaped ring blank.
Preferably, in the stamping procedure of the step 3, the annular blank on the special-shaped plate is positioned by a positioning die, and a die cavity of the positioning die is matched with the outer edge of the annular blank; the stamping head above the positioning die comprises a first stamping step surface matched with the material core part of the annular blank and a second stamping step surface matched with the end surface of the annular blank; the first stamping step surface of the stamping head punches off the material core part of the annular blank, and the second stamping step surface punches off the annular blank from the special-shaped sheet material.
Preferably, the roller device comprises a first roller and a second roller, and the first roller and the second roller respectively comprise a roller neck and a roller body arranged on the roller neck; the outer side surfaces of the roller bodies of the first roller and the second roller are regularly provided with a plurality of rolling units along the circumferential direction, and each rolling unit comprises a rolling cylinder at the center and a rolling groove arranged along the outer edge of the rolling cylinder.
Preferably, the diameter of the rolling column is gradually reduced from the root to the top, and the end face of the rolling column is a cambered surface with the middle part protruding outwards.
Preferably, the outer side surfaces of the roller bodies of the first roller and the second roller are provided with positioning grooves, and positioning columns are inserted into the positioning grooves, so that the rolling units on the first roller and the second roller correspond to each other.
The invention adopts the technical scheme, and the technical scheme relates to a method for forming a special-shaped ring blank, which adopts three processes of rolling, annealing and stamping, wherein a roller device in the rolling process directly rolls and forms rolling surfaces on the front end surface and the back end surface of a plate, and the rolling surfaces on the two sides form a main body structure of the special-shaped ring blank; and annealing and then stamping to obtain the special-shaped ring blank. The method for forming the special-shaped ring blank has the following beneficial effects: production efficiency is high; secondly, the labor intensity of workers is low; the working environment of workers is greatly improved; the mass production can be realized; easy to realize automation.
Drawings
FIG. 1 is a schematic flow chart of the steps of the present invention.
Fig. 2 is a schematic view of the roll apparatus of the present invention.
Figure 3 is an enlarged view of the rolling unit of the present invention.
Fig. 4 is a schematic structural view of the rolled special-shaped plate.
Fig. 5 is a sectional view a-a of fig. 4.
Fig. 6 is a schematic view of a stamped structure of a shaped plate.
Detailed Description
Preferred embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
A method for forming a blank of a special-shaped ring as shown in fig. 1 to 6 comprises the following steps:
step 1: feeding the plate raw material into a roller device, wherein the roller device rolls the front end surface and the back end surface of the plate to form rolling surfaces, and the rolling surfaces on the two sides correspond to each other; the rolling surface comprises a ring body 13 and a groove 14 positioned in the ring body;
step 2: annealing the special-shaped plate rolled in the step 1;
and step 3: and carrying out a stamping process, a laser cutting process or a high-pressure water cutting process on the annealed special-shaped plate to obtain a special-shaped ring blank.
Preferably, in the stamping process in the step 3, the annular blank 11 on the special-shaped plate 1 is positioned by the positioning die 2, and the die cavity of the positioning die 2 is matched with the outer edge of the annular blank 11; the stamping head 3 above the positioning die 2 comprises a first stamping step surface 31 matched with the material core part 12 of the annular blank 11 and a second stamping step surface 32 matched with the end surface of the annular blank 11; the first press step 31 of the press punch 3 presses the core 12 of the annular blank 11, and the second press step 32 presses the annular blank 11 from the profiled sheet material 1. The laser cutting process or the high pressure water cutting process is to cut off the joint of the annular blank 11 and the special-shaped plate 1 by laser or high pressure water pair, and cut off the edge of the material center part 12, so as to obtain the annular blank 11.
Preferably, the annular blanks 11 on the profiled sheets in step 1 can be rolled into a single row or multiple rows. The roll arrangement comprises a first roll 41 and a second roll 42, each of the first roll 41 and the second roll 42 comprising a roll neck 43 and a roll body 44 arranged thereon. Positioning grooves are formed in the outer side surfaces of the roller bodies of the first roller 41 and the second roller 42, and positioning columns 46 are inserted into the positioning grooves, so that the rolling units 47 on the first roller 41 correspond to the rolling units 47 on the second roller 42. The outer side surfaces of the roller bodies of the first roller 41 and the second roller 42 are regularly provided with a plurality of rolling units 47 along the circumferential direction, and each rolling unit 47 comprises a rolling column 48 at the center and a rolling groove 49 arranged along the outer edge of the rolling column 48. The diameter of the rolling column 48 is gradually reduced from the root to the top, and the end face of the rolling column 48 is an arc face 48a with the middle protruding outwards. The rolling cylinder 48 with the above structure forms a special-shaped ring blank, on one hand, the rolling cylinder 48 is easy to fall out of the die after rolling; on the other hand, the rolling cylinder 48 ensures its rolling fullness during the rolling process. The roll device comprises the following steps: firstly, mounting the novel roller on a rolling mill, aligning a first roller 41 and a second roller 42 through a positioning column 46 during mounting, enabling rolling units 47 on the first roller 41 and the second roller 42 to completely correspond, wherein the dislocation error cannot exceed 0.1mm, and removing the mounting positioning column 46 after the first roller 41 and the second roller 42 are mounted and fixed; the spacing between the first and second rolls 41, 42 is then adjusted (adjusted according to the desired rolled profiled sheet thickness) and the surrounding associated fittings are then installed.
The invention adopts the technical scheme, and the technical scheme relates to a method for forming a special-shaped ring blank, which adopts three processes of rolling, annealing and stamping, wherein a roller device in the rolling process directly rolls and forms rolling surfaces on the front end surface and the back end surface of a plate, and the rolling surfaces on the two sides form a main body structure of the special-shaped ring blank; and annealing and then stamping to obtain the special-shaped ring blank. The method for forming the special-shaped ring blank replaces the traditional hot forging process with a quick square blank special-shaped rolling method, and the processing efficiency is increased by hundreds of times. It has the following beneficial effects: production efficiency is high; secondly, the labor intensity of workers is low; the working environment of workers is greatly improved; the mass production can be realized; easy to realize automation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A method for forming a blank of a special-shaped ring is characterized by comprising the following steps: the method comprises the following steps:
step 1: feeding the plate raw material into a roller device, wherein the roller device rolls the front end surface and the back end surface of the plate to form rolling surfaces, and the rolling surfaces on the two sides correspond to each other; the rolling surface comprises a ring body and a groove positioned in the ring body; the roller device in the step comprises a first roller and a second roller, wherein the first roller and the second roller respectively comprise a roller neck and a roller body arranged on the roller neck; the outer side surfaces of the roller bodies of the first roller and the second roller are regularly provided with a plurality of rolling units along the circumferential direction, and each rolling unit comprises a rolling cylinder at the center and a rolling groove arranged along the outer edge of the rolling cylinder;
step 2: annealing the special-shaped plate rolled in the step 1;
and step 3: and carrying out a stamping process, a laser cutting process or a high-pressure water cutting process on the annealed special-shaped plate to obtain a special-shaped ring blank.
2. A method of forming a profiled ring blank as claimed in claim 1, characterized in that:
in the stamping procedure of the step 3, the annular blank on the special-shaped plate is positioned by a positioning die, and the die cavity of the positioning die is matched with the outer edge of the annular blank; the stamping head above the positioning die comprises a first stamping step surface matched with the material core part of the annular blank and a second stamping step surface matched with the end surface of the annular blank; the first stamping step surface of the stamping head punches off the material core part of the annular blank, and the second stamping step surface punches off the annular blank from the special-shaped sheet material.
3. A method of forming a profiled ring blank as claimed in claim 1, characterized in that: the diameter of the rolling column body is gradually reduced from the root to the top, and the end face of the rolling column body is a cambered surface with the middle part protruding outwards.
4. A method of forming a profiled ring blank as claimed in claim 1, characterized in that: and positioning grooves are formed in the outer side surfaces of the roller bodies of the first roller and the second roller, and positioning columns are inserted into the positioning grooves so that the rolling units on the first roller correspond to the rolling units on the second roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390120.5A CN108817093B (en) | 2018-04-27 | 2018-04-27 | Method for forming special-shaped ring blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390120.5A CN108817093B (en) | 2018-04-27 | 2018-04-27 | Method for forming special-shaped ring blank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108817093A CN108817093A (en) | 2018-11-16 |
| CN108817093B true CN108817093B (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810390120.5A Active CN108817093B (en) | 2018-04-27 | 2018-04-27 | Method for forming special-shaped ring blank |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10328726A (en) * | 1997-06-03 | 1998-12-15 | Daido Steel Co Ltd | Manufacture of die for cu hot extrusion |
| KR100829138B1 (en) * | 2006-09-27 | 2008-05-13 | 셰플러코리아(유) | Sizing Dies for the Inner Ring of Tapered Roller Bearing |
| CN102688962B (en) * | 2012-05-08 | 2014-06-25 | 天马轴承集团股份有限公司 | Symmetric rolling forming method of large inner-step ring parts |
| CN102836937A (en) * | 2012-08-31 | 2012-12-26 | 武汉理工大学 | Symmetrical composite roll forming method of external step ring with thick wall and small hole |
| CN202893814U (en) * | 2012-09-29 | 2013-04-24 | 山东建筑大学 | Ring rolling machine roller for rolling rings with complicated sections |
| CN104139279B (en) * | 2014-06-30 | 2016-05-11 | 张家港中环海陆特锻股份有限公司 | The manufacturing process of interior trapezoidal grooved ring shape part |
| CN104384826A (en) * | 2014-08-18 | 2015-03-04 | 贵州航宇科技发展股份有限公司 | Forging method of GH4169 alloy inner cartridge receiver special-shaped ring part |
| CN104772605B (en) * | 2015-04-09 | 2017-06-16 | 江苏翔能科技发展有限公司 | A kind of method of small-size external diameter tapered cross-section ring parts rolling forming |
| CN205732395U (en) * | 2016-05-10 | 2016-11-30 | 北新集团建材股份有限公司 | Roller equipment |
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2018
- 2018-04-27 CN CN201810390120.5A patent/CN108817093B/en active Active
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| CN108817093A (en) | 2018-11-16 |
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