CN107442729B - Forging and pressing mould for automobile half shaft - Google Patents
Forging and pressing mould for automobile half shaft Download PDFInfo
- Publication number
- CN107442729B CN107442729B CN201710840975.9A CN201710840975A CN107442729B CN 107442729 B CN107442729 B CN 107442729B CN 201710840975 A CN201710840975 A CN 201710840975A CN 107442729 B CN107442729 B CN 107442729B
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- Prior art keywords
- die sleeve
- sleeve
- hole
- die
- fixedly connected
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Classifications
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- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The invention relates to an automobile half-axle forging die which comprises a pressing head, an upper die sleeve, a middle die sleeve, a lower die sleeve and an outer die sleeve, wherein the upper end of the outer die sleeve is fixedly connected to a lower sliding block, the lower sliding block pushes the outer die sleeve to move up and down, the upper die sleeve and the middle die sleeve are sleeved in holes of the outer die sleeve in an up-down mode, the upper die sleeve is fixedly connected in the outer die sleeve, the middle die sleeve moves up and down in the outer die sleeve relative to the upper die sleeve, and the lower die sleeve is arranged below the middle die sleeve and fixedly connected on a workbench; the pressure head is fixedly connected to the upper sliding block, and the pressure head enters or moves out of the die cavity of the upper die sleeve through the up-and-down movement of the upper sliding block; the lower end of the outer die sleeve is provided with a vibrating device, and the outer die sleeve moves upwards to enable the vibrating device to be connected with the middle die sleeve so as to drive the middle die sleeve to vibrate up and down. According to the invention, the vibration device is arranged to enable the vibration device to be in contact with the middle die sleeve, and high-speed micro-impact is generated on the middle die sleeve in the axial direction, so that the middle die sleeve is separated from a workpiece, and the die and the workpiece are prevented from being damaged due to forced pulling.
Description
Technical Field
The invention relates to the technical field of automobile part forging dies, in particular to an automobile half-shaft forging die.
Background
The processing method of the automobile half shaft and other similar rod pieces with flanges at the end parts is as follows: and inserting the heated round steel into a die, gathering metal according to the shape of the inner cavity of the die, pre-upsetting and thickening the end part, and processing a flange plate by using a pendulum mill to form a semi-axle blank. For example: according to the automobile half-shaft blank pre-upsetting die disclosed in the Chinese patent application No. 201110104880.3, the pre-upsetting die is arranged on a vertical four-column pre-upsetting hydraulic machine, heated round steel is inserted into the die, metals are gathered according to the shape of an inner cavity of the die, the end part of the die is pre-upsetting and thickened, the die comprises a male die, an upper die sleeve, an outer die sleeve, a middle die sleeve and a lower die, the male die is fixed on a connecting plate I through a male die fixing plate and a bolt I, the connecting plate I is arranged on an upper sliding block of the pre-upsetting hydraulic machine through a T-shaped groove bolt, the upper die sleeve is sleeved in a hole of the outer die sleeve, the outer die sleeve is arranged on a connecting plate II through a bolt III, the connecting plate II is arranged on a lower sliding block of the pre-upsetting hydraulic machine, the middle die sleeve is arranged in a hole of the outer die sleeve, the other end of the outer die sleeve is provided with a flange through a bolt IV, and the lower die is arranged on a pre-upsetting hydraulic machine workbench through a Harvard die clamping device. In the forging and pressing process, the workpiece and the die are not easy to separate due to high temperature, and the die is easy to damage.
Disclosure of Invention
The invention aims to provide an automotive half-axle forging die, which enables a workpiece and the die to be easily separated.
The above object of the present invention is achieved by the following technical solutions: the automobile half-axle forging and pressing die comprises a pressing head, an upper die sleeve, a middle die sleeve, a lower die sleeve and an outer die sleeve, wherein the upper end of the outer die sleeve is fixedly connected to a lower sliding block, the lower sliding block pushes the outer die sleeve to move up and down, the upper die sleeve and the middle die sleeve are sleeved in holes of the outer die sleeve in an up-down mode, the upper die sleeve is fixedly connected in the outer die sleeve, the middle die sleeve moves up and down in the outer die sleeve relative to the upper die sleeve, and the lower die sleeve is arranged below the middle die sleeve and fixedly connected on a workbench; the lower sliding block pushes the outer die sleeve to move downwards, so that the lower end of the outer die sleeve is sleeved on the outer side of the lower die sleeve, the lower end of the upper die sleeve is abutted on the upper end of the middle die sleeve, and the lower end of the middle die sleeve is sleeved on the upper end of the lower die sleeve; the pressure head is fixedly connected to the upper sliding block, and the pressure head enters or moves out of a die cavity of the upper die sleeve through the up-and-down movement of the upper sliding block; the lower end of the outer die sleeve is provided with a vibrating device, and the outer die sleeve moves upwards to enable the vibrating device to be connected with the middle die sleeve so as to drive the middle die sleeve to vibrate up and down.
Preferably, the outer die sleeve is provided with a first sleeve hole and a second sleeve hole, the upper die sleeve is sleeved in the first sleeve hole, the middle die sleeve is sleeved in the second sleeve hole, the aperture of the second sleeve hole is larger than that of the first sleeve hole, the outer circle diameter of the middle die sleeve is larger than that of the upper die sleeve, a positioning step is arranged between the first sleeve hole and the second sleeve hole, the lower end of the upper die sleeve is flush with the positioning step, and the length of the middle die sleeve is smaller than that of the second sleeve hole.
Preferably, a positioning flange is fixedly connected to the lower end of the outer die sleeve, the positioning flange is sleeved on the outer side of the lower die sleeve, and the middle die sleeve moves between the upper die sleeve and the positioning flange.
Preferably, the positioning flange is provided with a through hole, and the aperture of the through hole is smaller than the diameter of the outer circle of the middle die sleeve and is equal to the diameter of the outer circle of the lower die sleeve.
Preferably, an expansion hole is formed in the lower end of the middle die sleeve, a limiting step is formed between the expansion hole and a die cavity of the middle die sleeve, when the lower sliding block moves downwards, the expansion hole is sleeved at the upper end of the lower die sleeve, the upper end of the lower die sleeve is abutted to the limiting step, and the depth of the expansion hole is 1/3-1/2 of the diameter of the outer circle of the lower die sleeve.
Preferably, the vibration device is mounted on the positioning flange and comprises a mounting seat, a vibration rod, an eccentric wheel, a reset spring and a driving assembly, wherein the eccentric wheel is rotatably mounted inside the mounting seat through a rotating shaft, the end part of the rotating shaft is connected with the driving assembly, the vibration rod is vertically inserted on the mounting seat, the lower end of the vibration rod is in contact with the eccentric wheel, the upper end of the vibration rod penetrates through the positioning flange and stretches into the lower part of the middle die sleeve, and the reset spring is sleeved on the vibration rod so that the lower end part of the vibration rod is in close contact with the wheel surface of the eccentric wheel; after forging and pressing are completed, the lower sliding block drives the outer die sleeve to move upwards, so that the upper end of the vibrating rod is contacted with the lower end of the middle die sleeve.
Preferably, the positioning step is provided with a blind hole, a buffer piece is arranged in the blind hole, one end of the buffer piece is fixedly connected in the blind hole, and the other end of the buffer piece is fixedly connected on the middle die sleeve.
The invention has the beneficial effects that: according to the invention, the vibrating device is arranged, and the lower sliding block moves upwards after forging is finished, so that the vibrating device is in contact with the middle die sleeve, and high-speed micro-impact is generated on the middle die sleeve in the axial direction, so that the middle die sleeve is separated from a workpiece, and the die and the workpiece are prevented from being damaged due to forced pulling.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of a vibration device in an embodiment of the invention;
FIG. 3 is a schematic view of the outer jacket structure in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of a middle die sleeve according to an embodiment of the invention;
in the figure: the device comprises a 1-upper sliding block, a 2-pressure head, a 3-lower sliding block, a 4-outer die sleeve, a 41-first sleeve hole, a 42-second sleeve hole, a 43-positioning step, a 44-blind hole, a 5-upper die sleeve, a 6-middle die sleeve, a 61-expansion hole, a 62-limiting step, a 7-lower die sleeve, an 8-positioning flange, a 9-workbench, a 10-buffer piece, a 11-vibration device, a 111-mounting seat, a 112-eccentric wheel, a 113-rotating shaft, a 114-vibration rod, a 115-reset spring and a 116-driving component.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention, may be made by those skilled in the art after reading the present specification, are only protected by patent laws within the scope of the claims of the present invention.
Examples: as shown in fig. 1 to 4, an automotive half-axle forging die comprises a pressing head 2, an upper die sleeve 5, a middle die sleeve 6, a lower die sleeve 7 and an outer die sleeve 4, wherein the upper end of the outer die sleeve 4 is fixedly connected to a lower slide block 3, the lower slide block 3 pushes the outer die sleeve 4 to move up and down, the upper die sleeve 5 and the middle die sleeve 6 are sleeved in holes of the outer die sleeve 4 in a vertically arranged manner, the upper die sleeve 5 is fixedly connected in the outer die sleeve 4, the middle die sleeve 6 moves up and down in the outer die sleeve 4 relative to the upper die sleeve 5, and the lower die sleeve 7 is arranged below the middle die sleeve 6 and fixedly connected to a workbench 9; the lower sliding block 3 pushes the outer die sleeve 4 to move downwards, so that the lower end of the outer die sleeve 4 is sleeved on the outer side of the lower die sleeve 7, the lower end of the upper die sleeve 5 is abutted against the upper end of the middle die sleeve 6, and the lower end of the middle die sleeve 6 is sleeved on the upper end of the lower die sleeve 7; the pressure head 2 is fixedly connected to the upper sliding block 1, and the pressure head 2 enters or moves out of a die cavity of the upper die sleeve 5 through the up-and-down movement of the upper sliding block 1; the lower end of the outer die sleeve 4 is provided with a vibrating device 11, and the outer die sleeve 4 moves upwards to enable the vibrating device 11 to be connected with the middle die sleeve 6 so as to drive the middle die sleeve 6 to vibrate up and down. The upper sliding block 1 and the lower sliding block 3 are both arranged on the pre-upsetting hydraulic press and driven by the pre-upsetting hydraulic press to move up and down.
As shown in fig. 1 and 3, the outer die sleeve 4 is provided with a first sleeve hole 41 and a second sleeve hole 42, the upper die sleeve 5 is sleeved in the first sleeve hole 41, the middle die sleeve 6 is sleeved in the second sleeve hole 42, the aperture of the second sleeve hole 42 is larger than that of the first sleeve hole 41, the outer diameter of the middle die sleeve 6 is larger than that of the upper die sleeve 5, a positioning step 43 is arranged between the first sleeve hole 41 and the second sleeve hole 42, the lower end of the upper die sleeve 5 is flush with the positioning step 43, and the length of the middle die sleeve 6 is smaller than that of the second sleeve hole 42. The lower extreme rigid coupling of outer die sleeve 4 has locating flange 8, locating flange 8 cup joints the outside of lower die sleeve 7, well die sleeve 6 in go up die sleeve 5 with locating flange 8 removes. The positioning flange 8 is provided with a through hole, and the aperture of the through hole is smaller than the diameter of the outer circle of the middle die sleeve 6 and is equal to the diameter of the outer circle of the lower die sleeve 7.
The positioning step 43 is provided with a blind hole 44, the blind hole 44 is internally provided with a buffer piece 10, one end of the buffer piece 10 is fixedly connected in the blind hole 44, the other end of the buffer piece 10 is fixedly connected on the middle die sleeve 6, and the buffer piece 10 is a spring.
As shown in fig. 1 and 4, the lower end of the middle die sleeve 6 is provided with a tightening hole 61, a limit step 62 is formed between the tightening hole 61 and the die cavity of the middle die sleeve 6, when the lower slider 3 moves downwards, the tightening hole 61 is sleeved at the upper end of the lower die sleeve 7, the upper end of the lower die sleeve 7 is abutted on the limit step 62, and the depth of the tightening hole 61 is 1/3-1/2 of the diameter of the outer circle of the lower die sleeve 7.
As shown in fig. 2, the vibration device 11 is mounted on the positioning flange 8 and comprises a mounting seat 111, a vibration rod 114, an eccentric wheel 112, a return spring 115 and a driving assembly 116, wherein the eccentric wheel 112 is rotatably mounted inside the mounting seat 111 through a rotating shaft 113, the end part of the rotating shaft 113 is connected with the driving assembly 116, the vibration rod 114 is vertically inserted and mounted on the mounting seat 111, the lower end of the vibration rod 114 is in contact with the eccentric wheel 112, the upper end of the vibration rod 114 penetrates through the positioning flange 8 and extends below the middle die sleeve 6, and the return spring 115 is sleeved on the vibration rod 114 to enable the lower end part of the vibration rod 114 to be in tight contact with the wheel surface of the eccentric wheel 112; after forging and pressing are completed, the lower slider 3 drives the outer die sleeve 4 to move upwards, so that the upper end of the vibrating rod 114 contacts with the lower end of the middle die sleeve 6, the driving assembly 116 drives the vibrating rod 114 to move up and down rapidly to vibrate the middle die sleeve 6 in the axial direction, and the driving assembly 116 is a miniature high-speed motor.
Claims (5)
1. The utility model provides an automobile semi-axis forging and pressing mould, includes pressure head (2), goes up die sleeve (5), well die sleeve (6), lower die sleeve (7) and external die sleeve (4), its characterized in that: the upper end of the outer die sleeve (4) is fixedly connected to the lower slide block (3), the lower slide block (3) pushes the outer die sleeve (4) to move up and down, the upper die sleeve (5) and the middle die sleeve (6) are sleeved in holes of the outer die sleeve (4) in an up-down mode, the upper die sleeve (5) is fixedly connected in the outer die sleeve (4), the middle die sleeve (6) moves up and down in the outer die sleeve (4) relative to the upper die sleeve (5), and the lower die sleeve (7) is arranged below the middle die sleeve (6) and fixedly connected on the workbench (9); the lower sliding block (3) pushes the outer die sleeve (4) to move downwards, so that the lower end of the outer die sleeve (4) is sleeved on the outer side of the lower die sleeve (7), the lower end of the upper die sleeve (5) is abutted against the upper end of the middle die sleeve (6), and the lower end of the middle die sleeve (6) is sleeved on the upper end of the lower die sleeve (7); the pressing head (2) is fixedly connected to the upper sliding block (1), and the pressing head (2) enters or moves out of a die cavity of the upper die sleeve (5) through the up-and-down movement of the upper sliding block (1); the lower end of the outer die sleeve (4) is provided with a vibrating device (11), and the outer die sleeve (4) moves upwards to enable the vibrating device (11) to be connected with the middle die sleeve (6) so as to drive the middle die sleeve (6) to vibrate up and down;
the outer die sleeve (4) is provided with a first sleeve hole (41) and a second sleeve hole (42), the upper die sleeve (5) is sleeved in the first sleeve hole (41), the middle die sleeve (6) is sleeved in the second sleeve hole (42), the aperture of the second sleeve hole (42) is larger than that of the first sleeve hole (41), the outer circle diameter of the middle die sleeve (6) is larger than that of the upper die sleeve (5), a positioning step (43) is arranged between the first sleeve hole (41) and the second sleeve hole (42), the lower end of the upper die sleeve (5) is flush with the positioning step (43), and the length of the middle die sleeve (6) is smaller than that of the second sleeve hole (42);
the lower extreme rigid coupling of outer die sleeve (4) has locating flange (8), locating flange (8) cup joints the outside of lower die sleeve (7), well die sleeve (6) are in go up die sleeve (5) with locating flange (8) are removed.
2. The automotive half-shaft forging die as set forth in claim 1, wherein: the positioning flange (8) is provided with a through hole, and the aperture of the through hole is smaller than the diameter of the outer circle of the middle die sleeve (6) and is equal to the diameter of the outer circle of the lower die sleeve (7).
3. The automotive half-shaft forging die as set forth in claim 1, wherein: the lower extreme of well die sleeve (6) is equipped with expansion hole (61), expansion hole (61) with form spacing step (62) between the die cavity of well die sleeve (6), when slider (3) moves down, expansion hole (61) cup joint the upper end of lower die sleeve (7), just the upper end butt of lower die sleeve (7) is in spacing step (62), the degree of depth of expansion hole (61) is 1/3-1/2 of lower die sleeve (7) excircle diameter.
4. The automotive half-shaft forging die as set forth in claim 1, wherein: the vibrating device (11) is mounted on the positioning flange (8) and comprises a mounting seat (111), a vibrating rod (114), an eccentric wheel (112), a reset spring (115) and a driving assembly (116), the eccentric wheel (112) is rotatably mounted inside the mounting seat (111) through a rotating shaft (113), the end part of the rotating shaft (113) is connected with the driving assembly (116), the vibrating rod (114) is vertically inserted on the mounting seat (111), the lower end of the vibrating rod (114) is in contact with the eccentric wheel (112), the upper end of the vibrating rod passes through the positioning flange (8) and stretches into the lower part of the middle die sleeve (6), and the reset spring (115) is sleeved on the vibrating rod (114) so that the lower end part of the vibrating rod (114) is in tight contact with the wheel surface of the eccentric wheel (112); after forging and pressing are completed, the lower sliding block (3) drives the outer die sleeve (4) to move upwards, so that the upper end of the vibrating rod (114) is in contact with the lower end of the middle die sleeve (6).
5. The automotive half-shaft forging die as set forth in claim 1, wherein: the positioning step (43) is provided with a blind hole (44), a buffer piece (10) is arranged in the blind hole (44), one end of the buffer piece (10) is fixedly connected in the blind hole (44), and the other end of the buffer piece is fixedly connected on the middle die sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840975.9A CN107442729B (en) | 2017-09-18 | 2017-09-18 | Forging and pressing mould for automobile half shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840975.9A CN107442729B (en) | 2017-09-18 | 2017-09-18 | Forging and pressing mould for automobile half shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107442729A CN107442729A (en) | 2017-12-08 |
| CN107442729B true CN107442729B (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840975.9A Active CN107442729B (en) | 2017-09-18 | 2017-09-18 | Forging and pressing mould for automobile half shaft |
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| Country | Link |
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| CN (1) | CN107442729B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246953B (en) * | 2018-01-17 | 2020-06-23 | 吉林圆方机械集团有限公司 | Half shaft forming method and half shaft preforming die |
| CN109014000A (en) * | 2018-09-07 | 2018-12-18 | 佛山朝鸿新材料科技有限公司 | A kind of automobile axle shaft forge die and its Forging Technology equipped with cooling device |
| CN114130938A (en) * | 2021-11-12 | 2022-03-04 | 重庆荆江汽车半轴股份有限公司 | Material forging device is gathered to car semi-axis flange end |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008126231A (en) * | 2006-11-16 | 2008-06-05 | Fuji Heavy Ind Ltd | Forging apparatus and forging method |
| CN102274915A (en) * | 2011-04-18 | 2011-12-14 | 徐州开元世纪重型锻压有限公司 | Pre-upsetting mould for car semi-axis blank |
| CN207255143U (en) * | 2017-09-18 | 2018-04-20 | 安徽省宣城市永健机械有限公司 | A kind of automobile axle shaft forge die |
-
2017
- 2017-09-18 CN CN201710840975.9A patent/CN107442729B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008126231A (en) * | 2006-11-16 | 2008-06-05 | Fuji Heavy Ind Ltd | Forging apparatus and forging method |
| CN102274915A (en) * | 2011-04-18 | 2011-12-14 | 徐州开元世纪重型锻压有限公司 | Pre-upsetting mould for car semi-axis blank |
| CN207255143U (en) * | 2017-09-18 | 2018-04-20 | 安徽省宣城市永健机械有限公司 | A kind of automobile axle shaft forge die |
Non-Patent Citations (1)
| Title |
|---|
| 朱春东 ; 史双喜 ; 华林 ; .汽车半轴套管近净锻造工艺优化.热加工工艺.2009,(第01期),104-106、109. * |
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| Publication number | Publication date |
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| CN107442729A (en) | 2017-12-08 |
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