CN114799028B - Die forging structure and die forging method for wheel half supporting ring - Google Patents
Die forging structure and die forging method for wheel half supporting ring Download PDFInfo
- Publication number
- CN114799028B CN114799028B CN202210421599.0A CN202210421599A CN114799028B CN 114799028 B CN114799028 B CN 114799028B CN 202210421599 A CN202210421599 A CN 202210421599A CN 114799028 B CN114799028 B CN 114799028B
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- die forging
- parameter range
- blank
- die
- semicircular arc
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- 238000005242 forging Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000009966 trimming Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B21K1/05—Making machine elements cages for bearings
-
- 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
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/20—Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
-
- 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
- B21K29/00—Arrangements for heating or cooling during processing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a die forging structure and a die forging method of a wheel half supporting ring, wherein the die forging structure comprises the following components: the parameter range of the inner diameter Ra of the arc modeling formed by the inner surface of the semicircular arc section is 200-450 mm; the parameter range of the outer diameter Rb of the arc shape formed by the outer surface of the semicircular arc section is 260 to 510mm; the minimum width h of the top of the die forging structure ranges from 70 to 140mm; the maximum width H of the bottom of the die forging structure is in the following parameter range: h=h+2×rb×tan (α/2); the parameter range of the die drawing angle alpha of the die forging structure is 0.5-1.5 degrees; the radius R of the fillet of the die forging structure ranges from 3 to 10mm; the parameter range of the height h1 of the bottom of the extension section after the rounding treatment is 2-5 mm; the height h2 between the bottom surface and the top surface of the extension ranges from 25 to 50mm. Therefore, by increasing the round angle and the die drawing angle, the die forging device has the die forging condition, and the forming and qualification rate of the die forging can be ensured when the die forging mode is adopted for production.
Description
Technical Field
The invention relates to the technical field of die forging processing, in particular to a die forging structure and a die forging method of a wheel half supporting ring.
Background
The wheel of hoist passes through the bearing and installs in the bottom of hoist, and the bearing needs to fix with the help of two semicircular bearing structures, and one of them semicircular bearing structure is fixed to be set up in the bottom of hoist, and another semicircular bearing structure is called "wheel half supporting ring", and wheel half supporting ring can be through the fixed bottom of connecting to the hoist of bolt. When the two semicircular support structures are snapped together, the bearing can be fixed between the two semicircular support structures, whereby the fixation of the wheel is achieved.
In the prior art, the wheel half support ring is usually produced by casting or welding and cutting. However, when the casting is adopted for production, the production cost is relatively low, but the quality is poor, and the casting is prone to be eliminated at present; when the welding and cutting mode is adopted for production, the quality is good, but the material utilization rate is low, and the economical efficiency is poor.
In order to solve the technical problems of low utilization rate of welding and cutting materials, poor casting quality and the like, a new mode is needed to be provided for producing the wheel semi-supporting ring.
Disclosure of Invention
In order to solve part or all of the technical problems in the prior art, the invention provides a die forging structure and a die forging method for a wheel half supporting ring.
The technical scheme of the invention is as follows:
according to a first aspect of the present invention there is provided a wheel half support ring swage structure, the swage structure comprising:
a semicircular arc section configured as a semicircular arc structure having a certain thickness;
the extension sections are respectively connected to two ends of the semicircular arc section and extend outwards along the radial direction of the semicircular arc section;
wherein, the parameter range of the inner diameter Ra of the arc shape formed by the inner surface of the semicircular arc section is 200 to 450mm;
the parameter range of the outer diameter Rb of the arc shape formed by the outer surface of the semicircular arc section is 260-510 mm;
the minimum width h of the top of the die forging structure ranges from 70 mm to 140mm;
the parameter range of the maximum width H of the bottom of the die forging structure is as follows: h=h+2×rb×tan (α/2), where α represents a draft angle of the swaged structure;
the parameter range of the die drawing angle alpha of the die forging structure is 0.5-1.5 degrees;
the side edges of the die forging structure are subjected to fillet treatment, and the parameter range of the radius R of the fillet is 3-10 mm;
the parameter range of the height h1 of the bottom of the extension section after being subjected to the fillet treatment is 2-5 mm;
the height h2 between the bottom and top surfaces of the extension ranges from 25 to 50mm.
According to a second aspect of the present invention, there is provided a swaging method for manufacturing the wheel half support ring swaging structure of claim 1, the swaging method comprising:
s1: blanking, namely selecting a bar material with the weight larger than that of the blank for blanking;
s2: heating the blank material to enable the temperature of the blank material to reach 1180-1200 ℃;
s3: descaling, namely descaling the heated blank;
s4: controlling the initial forging temperature, and controlling the temperature of the blank after removing the oxide skin to be 1180-1200 ℃;
s5: controlling the beat, forging blank materials, and controlling the final forging temperature of the blank materials to be more than 1000 ℃;
s6: trimming, namely trimming the blank material, and controlling the trimming temperature of the blank material to be more than 850 ℃.
The technical scheme of the invention has the main advantages that:
according to the invention, the drawing of the existing wheel semi-support ring is improved, and the angles of the round corners and the die drawing are increased, so that the wheel semi-support ring has the die forging condition, and the forming and qualification rate of die forging can be ensured when the semi-support ring is produced in a die forging mode. In the die forging method, the qualification rate of the die forging forming machine is ensured by controlling the die forging process parameters, and compared with welding, the die forging method has the advantages of high material utilization rate, low price and reliable quality.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and without limitation to the invention. In the drawings:
FIG. 1 is a schematic illustration of a wheel half support ring swage structure in accordance with one embodiment of the invention;
FIG. 2 is a top view of the wheel half support ring swage structure shown in FIG. 1;
fig. 3 is a side view of the wheel half support ring swage structure shown in fig. 1.
Reference numerals illustrate:
1: semicircular arc section 2: extension section
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The following describes in detail the technical scheme provided by the embodiment of the invention with reference to the accompanying drawings.
As shown in fig. 1 to 3, a wheel half support ring swaging structure and a swaging method are provided in one embodiment according to the present invention.
In a first aspect of the present embodiment, there is provided a wheel half support ring swage structure comprising: a semicircular arc section 1 and an extension section 2.
Wherein, the semicircular arc section 1 is constructed into a semicircular arc structure with a certain thickness; the extension sections 2 are respectively connected to two ends of the semicircular arc section 2, and the extension sections 2 extend outwards along the radial direction of the semicircular arc section 1. Bolts may be provided on the extension 2 to facilitate a fixed mounting to the bottom of the crane.
Further, the parameter range of the inner diameter Ra of the arc shape formed by the inner surface of the semicircular arc section is 200 to 450mm;
the parameter range of the outer diameter Rb of the arc shape formed by the outer surface of the semicircular arc section is 260 to 510mm;
the minimum width h of the top of the die forging structure ranges from 70 to 140mm;
the maximum width H of the bottom of the die forging structure is in the following parameter range: h=h+2×rb×tan (α/2), where α represents a draft angle of the swaged structure;
the parameter range of the die drawing angle alpha of the die forging structure is 0.5-1.5 degrees;
the side edges of the die forging structure are subjected to fillet treatment, and the parameter range of the radius R of the fillet is 3-10 mm;
the parameter range of the height h1 of the bottom of the extension section after the rounding treatment is 2-5 mm;
the height h2 between the bottom surface and the top surface of the extension ranges from 25 to 50mm.
In this way, in the present embodiment, the die forging structure is effectively optimized by increasing the fillet, the draft angle, the margin, and the like, and the forming and the yield of the die forging can be ensured.
It will be appreciated that the swage structure of this embodiment is suitable for use with wheels having a crane product diameter of from 250mm to 800mm, and that figures 1 to 3 show half-support ring swage patterns for wheels in which the width H is greater than the width H and the width H is affected by the draft angle. Parameters Rb, h, H, h, h2, α, etc. are affected by the inner diameter Ra.
Further, in a second aspect of the present embodiment, there is provided a swaging method for manufacturing the wheel half support ring swaging structure in the present embodiment, the swaging method including:
s1: blanking, namely selecting a bar material with the weight larger than that of the blank for blanking;
s2: heating the blank material to enable the temperature of the blank material to reach 1180-1200 ℃;
s3: descaling, namely descaling the heated blank;
s4: controlling the initial forging temperature, and controlling the temperature of the blank after removing the oxide skin to be 1180-1200 ℃;
s5: controlling the beat, forging blank materials, and controlling the final forging temperature of the blank materials to be more than 1000 ℃;
s6: trimming, namely trimming the blank material, and controlling the trimming temperature of the blank material to be more than 850 ℃.
Therefore, by means of the die forging method, a die forging machining process is optimally designed, and the machining quality of the half support ring of the die-forged wheel is guaranteed.
The technical scheme in the embodiment has the main advantages that:
according to the embodiment, the drawing of the existing wheel semi-supporting ring is improved, the angles of the round corners and the drawing dies are increased, so that the wheel semi-supporting ring has the die forging condition, and the forming and qualification rate of the die forging can be guaranteed when the semi-supporting ring is produced in a die forging mode. In the die forging method, the qualification rate of the die forging forming machine is ensured by controlling the die forging process parameters, and compared with welding, the die forging method has the advantages of high material utilization rate, low price and reliable quality.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In this context, "front", "rear", "left", "right", "upper" and "lower" are referred to with respect to the placement state shown in the drawings.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (2)
1. A wheel half support ring swage structure, said swage structure comprising:
a semicircular arc section configured as a semicircular arc structure having a certain thickness;
the extension sections are respectively connected to two ends of the semicircular arc section and extend outwards along the radial direction of the semicircular arc section;
wherein, the parameter range of the inner diameter Ra of the arc shape formed by the inner surface of the semicircular arc section is 200 to 450mm;
the parameter range of the outer diameter Rb of the arc shape formed by the outer surface of the semicircular arc section is 260-510 mm;
the minimum width h of the top of the die forging structure ranges from 70 mm to 140mm;
the parameter range of the maximum width H of the bottom of the die forging structure is as follows: h=h+2×rb×tan (α/2), where α represents a draft angle of the swaged structure;
the parameter range of the die drawing angle alpha of the die forging structure is 0.5-1.5 degrees;
the side edges of the die forging structure are subjected to fillet treatment, and the parameter range of the radius R of the fillet is 3-10 mm;
the parameter range of the height h1 of the bottom of the extension section after being subjected to the fillet treatment is 2-5 mm;
the height h2 between the bottom and top surfaces of the extension ranges from 25 to 50mm.
2. A swaging method for manufacturing the wheel half support ring swaging structure of claim 1, comprising:
s1: blanking, namely selecting a bar material with the weight larger than that of the blank for blanking;
s2: heating the blank material to enable the temperature of the blank material to reach 1180-1200 ℃;
s3: descaling, namely descaling the heated blank;
s4: controlling the initial forging temperature, and controlling the temperature of the blank after removing the oxide skin to be 1180-1200 ℃;
s5: controlling the beat, forging blank materials, and controlling the final forging temperature of the blank materials to be more than 1000 ℃;
s6: trimming, namely trimming the blank material, and controlling the trimming temperature of the blank material to be more than 850 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210421599.0A CN114799028B (en) | 2022-04-21 | 2022-04-21 | Die forging structure and die forging method for wheel half supporting ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210421599.0A CN114799028B (en) | 2022-04-21 | 2022-04-21 | Die forging structure and die forging method for wheel half supporting ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114799028A CN114799028A (en) | 2022-07-29 |
| CN114799028B true CN114799028B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210421599.0A Active CN114799028B (en) | 2022-04-21 | 2022-04-21 | Die forging structure and die forging method for wheel half supporting ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114799028B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR195103A1 (en) * | 1973-03-07 | 1973-09-10 | Atencio F | A THRUST BEARING WITH LUBRICANT FREEZING |
| DE2819391A1 (en) * | 1978-05-03 | 1979-11-08 | Wiener Brueckenbau | Heavy trolley or crane running wheel mounting - has screws for bearing units extending through tangential half ring counter bearing extensions |
| SU1586837A1 (en) * | 1988-06-23 | 1990-08-23 | Научно-Производственное Объединение По Технологии Машиностроения "Цниитмаш" | Method of producing flat articles |
| CN101804770A (en) * | 2009-02-17 | 2010-08-18 | 株式会社捷太格特 | Bearing apparatus for wheel and manufacture method thereof |
| CN202278098U (en) * | 2011-11-02 | 2012-06-20 | 河南卫华重型机械股份有限公司 | Pressing forming die used for semi-annular shaped work pieces |
| CN203428758U (en) * | 2013-07-16 | 2014-02-12 | 象王重工股份有限公司 | Wheel group of portal crane travelling mechanism |
| DE102014016101A1 (en) * | 2013-11-05 | 2015-05-07 | Suzuki Motor Corporation | Frame structure for electric motorcycle and supporting structure for electric motor |
| CN107570644A (en) * | 2016-12-01 | 2018-01-12 | 贵州安大航空锻造有限责任公司 | The rolling and fetal membrane forging of the double flange semi-rings of bearing steel are unified into shape method |
| JP2019100505A (en) * | 2017-12-07 | 2019-06-24 | 日本精工株式会社 | Hub unit bearing and manufacturing method of hub unit bearing |
-
2022
- 2022-04-21 CN CN202210421599.0A patent/CN114799028B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR195103A1 (en) * | 1973-03-07 | 1973-09-10 | Atencio F | A THRUST BEARING WITH LUBRICANT FREEZING |
| DE2819391A1 (en) * | 1978-05-03 | 1979-11-08 | Wiener Brueckenbau | Heavy trolley or crane running wheel mounting - has screws for bearing units extending through tangential half ring counter bearing extensions |
| SU1586837A1 (en) * | 1988-06-23 | 1990-08-23 | Научно-Производственное Объединение По Технологии Машиностроения "Цниитмаш" | Method of producing flat articles |
| CN101804770A (en) * | 2009-02-17 | 2010-08-18 | 株式会社捷太格特 | Bearing apparatus for wheel and manufacture method thereof |
| CN202278098U (en) * | 2011-11-02 | 2012-06-20 | 河南卫华重型机械股份有限公司 | Pressing forming die used for semi-annular shaped work pieces |
| CN203428758U (en) * | 2013-07-16 | 2014-02-12 | 象王重工股份有限公司 | Wheel group of portal crane travelling mechanism |
| DE102014016101A1 (en) * | 2013-11-05 | 2015-05-07 | Suzuki Motor Corporation | Frame structure for electric motorcycle and supporting structure for electric motor |
| CN107570644A (en) * | 2016-12-01 | 2018-01-12 | 贵州安大航空锻造有限责任公司 | The rolling and fetal membrane forging of the double flange semi-rings of bearing steel are unified into shape method |
| JP2019100505A (en) * | 2017-12-07 | 2019-06-24 | 日本精工株式会社 | Hub unit bearing and manufacturing method of hub unit bearing |
Non-Patent Citations (1)
| Title |
|---|
| 桥式起重机用车轮组结构形式分析;尹世琛;;起重运输机械;20150120(第01期);第62-64段 * |
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| Publication number | Publication date |
|---|---|
| CN114799028A (en) | 2022-07-29 |
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