CN113967669A - Magnesium alloy bar forward extrusion die capable of automatically slowly releasing lubrication - Google Patents
Magnesium alloy bar forward extrusion die capable of automatically slowly releasing lubrication Download PDFInfo
- Publication number
- CN113967669A CN113967669A CN202111499951.4A CN202111499951A CN113967669A CN 113967669 A CN113967669 A CN 113967669A CN 202111499951 A CN202111499951 A CN 202111499951A CN 113967669 A CN113967669 A CN 113967669A
- Authority
- CN
- China
- Prior art keywords
- extrusion
- die
- roller
- blank
- conical
- 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.)
- Granted
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 146
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 19
- 238000005461 lubrication Methods 0.000 title claims abstract description 15
- 239000000314 lubricant Substances 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005267 amalgamation Methods 0.000 description 2
- 239000003974 emollient agent Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/32—Lubrication of metal being extruded or of dies, or the like, e.g. physical state of lubricant, location where lubricant is applied
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a magnesium alloy bar forward extrusion die capable of automatically slowly releasing lubrication, which comprises a male die arranged on an upper die base of a press machine and a female die assembly arranged on a lower die base of the press machine, wherein the female die assembly comprises a female die main body and an extrusion ring assembly, the female die main body is vertically provided with an extrusion channel below the male die, the upper end of the extrusion channel is provided with a blank inlet, the lower end of the extrusion channel is provided with a blank containing cavity, the extrusion ring assembly is arranged on the female die main body and comprises an extrusion ring and a roller, the roller is arranged in the extrusion ring in a rolling manner, the extrusion ring is inwards folded from the blank containing cavity to form a conical extrusion surface tangential to the surface of the roller, the lower end of the conical extrusion surface is communicated with the blank outlet, the roller is exposed out of the conical extrusion surface, and a lubricant channel for supplying oil to the surface of the roller is arranged in the extrusion ring. The invention reduces the friction force between the blank and the die in the process of forward extrusion of the magnesium alloy bar, and ensures that the metal flow is more uniform.
Description
Technical Field
The invention relates to the technical field of extrusion dies, in particular to a magnesium alloy bar forward extrusion die capable of automatically slowly releasing lubrication.
Background
The magnesium alloy is formed by adding other elements into magnesium as a base, has the advantages of small density, high strength, good heat dissipation, good shock absorption, good corrosion resistance to organic matters and alkaline substances and the like, and is widely applied to the technical fields of aviation, aerospace and the like.
The extrusion processing can improve the metal deformability, has high product comprehensive quality, wide product range and raw material saving, and has the characteristics of short process flow and the like, so the extrusion processing is widely applied to the field of metal material plastic processing.
The extrusion processing is a plastic processing method which applies external force to a metal blank placed in a container (an extrusion container and a female die) through a male die to enable the metal blank to flow out of a specific die hole, so that the required section shape and size are obtained.
Disclosure of Invention
The invention aims to provide a magnesium alloy rod forward extrusion die capable of automatically slowly releasing lubrication, which overcomes the defects and reduces the friction between a blank and the die in the magnesium alloy rod forward extrusion process.
In order to achieve the above purpose, the solution of the invention is: an automatic slow-release lubricating magnesium alloy bar forward extrusion die comprises a male die arranged on an upper die base of a press machine and a female die assembly arranged on a lower die base of the press machine, wherein the female die assembly comprises a female die main body and an extrusion ring assembly, an extrusion channel is vertically formed below the male die by the female die main body, a blank inlet is formed in the upper end of the extrusion channel, a blank outlet is formed in the lower end of the extrusion channel, the extrusion channel extends downwards from the blank inlet to form a blank containing cavity, the extrusion ring assembly is arranged on the female die main body and comprises an extrusion ring and a roller, the roller is arranged in the extrusion ring in a rolling manner, the extrusion ring is inwards folded downwards from the blank containing cavity to form a conical extrusion surface tangential to the surface of the roller, the lower end of the conical extrusion surface is communicated with the blank outlet, and the roller is exposed out of the conical extrusion surface, and a lubricant channel for supplying oil to the surface of the roller is formed in the extrusion ring.
Furthermore, the middle part of the conical extrusion surface is provided with a roller exposure port, and the roller is exposed out of the conical extrusion surface from the roller exposure port.
Further, the female die body comprises an upper female die and a lower female die which are vertically spliced, the blank accommodating cavity is formed in the upper female die, an extrusion ring assembly mounting cavity is formed at the splicing position of the upper female die and the lower female die, and the extrusion ring assembly is detachably mounted in the extrusion ring assembly mounting cavity.
Furthermore, the extrusion ring comprises an extrusion ring main body and detachable blocks, the extrusion ring main body forms the conical extrusion surface, the rollers are mounted on the detachable blocks, and the detachable blocks are detachably embedded in the extrusion ring main body.
Furthermore, a detachable block mounting cavity extends from the outer wall of the extrusion ring main body to the conical extrusion surface, and the detachable block is embedded into the extrusion ring main body through the detachable block mounting cavity.
Furthermore, a lubricant groove for communicating a lubricant channel is formed between the detachable block body and the roller, a cleaning groove for communicating the lubricant groove to the outer side of the extrusion ring assembly is formed below the detachable block body, and a cleaning groove block body is detachably plugged in the cleaning groove.
Further, the blank holding cavity is cylindrical, and the conical extrusion surface is a conical surface.
Furthermore, a plurality of rollers are uniformly distributed on the extrusion ring along the circumference of the conical extrusion surface.
Further, the side wall of the roller is arc-shaped and concave so as to form line contact with the billet when the billet flows along the conical extrusion surface.
After the scheme is adopted, the invention has the beneficial effects that: the extrusion channel extends downwards from the blank inlet to form a blank containing cavity, the extrusion ring assembly is arranged on the female die main body and comprises an extrusion ring and a roller, the roller is arranged in the extrusion ring in a rolling manner, the extrusion ring is inwards folded downwards from the blank containing cavity to form a conical extrusion surface tangent to the surface of the roller, the lower end of the conical extrusion surface is communicated with the blank outlet, the roller is exposed out of the conical extrusion surface, a lubricant channel for supplying oil to the surface of the roller is arranged in the extrusion ring, when in extrusion processing, the male die pushes the blank in the blank containing cavity to inwards flow downwards along the conical extrusion surface, when the blank flows to the roller, the roller is driven to rotate, the lubricant channel supplies lubricant to the surface of the roller, the roller carries the lubricant to be coated on the surface of the blank, and then the friction between the blank and the conical extrusion surface is reduced, and make the metal flow more uniform;
because the conical extrusion surface is tangent to the surface of the roller, the blank can be ensured to be contacted with the roller to drive the roller to rotate, and the damage of the roller caused by overlarge radial force of the blank acting on the roller is prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic cross-sectional view of a squeeze ring assembly of the present invention.
Description of reference numerals: 1-male die, 2-female die component, 3-female die body, 4-extrusion ring component, 5-extrusion channel, 6-blank inlet, 7-blank outlet, 8-blank containing cavity, 9-extrusion ring, 10-roller, 11-conical extrusion surface, 12-lubricant channel, 13-roller exposed outlet, 14-upper female die, 15-lower female die, 16-extrusion ring component mounting cavity, 17-extrusion ring body, 18-removable block, 19-removable block mounting cavity, 20-lubricant groove, 21-cleaning groove, 22-cleaning groove block, and 23-blank.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides a magnesium alloy bar forward extrusion die capable of automatically slowly releasing lubrication, as shown in figures 1-3, the forward extrusion die mainly combines with figure 1, and comprises a male die 1 arranged on an upper die holder of a press machine and a female die component 2 arranged on a lower die holder of the press machine, the upper die holder of the press machine driving the press machine is opened and closed with the lower die holder of the press machine, the die component is the prior art, the drawing is not shown, the male die 1 is fixed with the upper die holder of the press machine, the female die component 2 is fixed with the lower die holder of the press machine, the fixing mode can be any one of the existing fixing modes of the die and the die holder, the female die component 2 comprises a female die main body 3 and an extrusion ring component 4, the female die main body 3 is vertically formed with an extrusion channel 5 below the male die 1, the upper end of the extrusion channel 5 is provided with a blank inlet 6, the lower end of the extrusion channel 5 is provided with a blank outlet 7, the extrusion channel 5 is formed by extending downwards from the blank inlet 6 to form a blank cavity 8, before processing, a blank 23 is placed into a blank containing cavity 8 along a blank inlet 6, the extrusion ring assembly 4 is installed on the female die main body 3, the extrusion ring assembly 4 comprises an extrusion ring 9 and a roller 10, the roller 10 is installed in the extrusion ring 9 in a rolling manner, as shown in the important point of figure 2, a conical extrusion surface 11 which is tangent to the surface of the roller 10 is formed by the extrusion ring 9 which is inwards folded from the blank containing cavity 8, the lower end of the conical extrusion surface 11 is communicated with the blank outlet 7, a roller exposing port 13 is formed in the middle of the conical extrusion surface 11, the roller 10 is exposed out of the conical extrusion surface 11 through the roller exposing port 13, so that the blank 23 is prevented from deforming along the surface of the roller 10 when being extruded due to overlarge exposed area of the roller 10, the radial force of the blank 23 on the roller 10 is enabled to be overlarge, the roller 10 is prevented from being damaged, a lubricant channel 12 which supplies oil to the surface of the roller 10 is formed in the extrusion ring 9, one end of the lubricant channel 12 is communicated with the surface of the roller 10, the other end of the lubricant channel is communicated with a lubricant supply mechanism, the lubricant supply mechanism can be any one of the existing lubricant supply devices such as an oil pump and the like, and is not particularly limited, so that in the processing process, the punch 1 is driven by the upper die base of the press to move downwards to extend into the blank accommodating cavity 8, then the blank 23 in the blank accommodating cavity 8 is extruded to flow inwards along the conical extrusion surface 11, and then when the blank flows to the roller 10, the roller 10 is driven to roll, the lubricant channel 12 continuously supplies lubricant to the surface of the roller 10, the lubricant is carried by the roller 10 in the rolling process and is smeared on the surface of the blank 23, the friction between the blank 23 and the female die assembly 2 in the extrusion process is reduced, and because the roller 10 is arranged at the conical extrusion surface 11, the conical extrusion surface 11 acts on the blank 23, make blank 23 warp, so blank 23 and toper squeeze face 11 closely laminate, blank 23 can closely laminate with gyro wheel 10 equally promptly, have guaranteed that blank 23 can drive gyro wheel 10 and roll down the in-process that flows, and then realize scribbling the even of emollient, in this embodiment, blank holds chamber 8 for cylindrically, toper squeeze face 11 is the circular conical surface, it is shown with the combination of fig. 3 to emphasize, extrusion ring 9 is followed toper squeeze face 11 circumference equipartition has a plurality of gyro wheel 10, the total is equipped with six in this embodiment, gyro wheel 10 lateral wall arc indent to form line contact with blank 23 when blank 23 flows along toper squeeze face 11, and then can increase the area of scribbling emollient on blank 23.
For be convenient for dismouting change squeeze ring subassembly 4 after wearing and tearing, die main part 3 includes upper die 14, lower die 15 of upper and lower amalgamation, blank appearance chamber 8 sets up upper die 14, upper die 14 with die 15 amalgamation department is formed with squeeze ring subassembly installation cavity 16 down, squeeze ring subassembly 4 detachably installs in squeeze ring subassembly installation cavity 16, in this embodiment, squeeze ring subassembly 4 form with the same profile of squeeze ring subassembly installation cavity 16, squeeze ring subassembly 4 falls in squeeze ring subassembly installation cavity 16. In order to facilitate replacement and maintenance of the roller 10, the extrusion ring 9 includes an extrusion ring main body 17 and a detachable block 18, the extrusion ring main body 17 forms the conical extrusion surface 11, the roller 10 is mounted on the detachable block 18, a detachable block mounting cavity 19 extends from the outer wall of the extrusion ring main body 17 to the roller exposure port 13 of the conical extrusion surface 11, and the detachable block 18 is detachably embedded in the extrusion ring main body 17 through the detachable block mounting cavity 19. A lubricant groove 20 for communicating the lubricant channel 12 is arranged between the detachable block 18 and the roller 10, a cleaning groove 21 for communicating the lubricant groove 20 to the outer side of the extrusion ring assembly 4 is formed below the detachable block 18, a cleaning groove block 22 is detachably blocked in the cleaning groove 21, and the lubricant in the lubricant groove 20 can be discharged after the groove block 22 is detached.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made in the design key point of the present invention fall within the protection scope of the present invention.
Claims (9)
1. The magnesium alloy bar forward extrusion die capable of automatically slowly releasing lubrication is characterized in that: the die assembly comprises a male die (1) arranged on an upper die base of a press machine and a female die assembly (2) arranged on a lower die base of the press machine, wherein the female die assembly (2) comprises a female die body (3) and an extrusion ring assembly (4), the female die body (3) is vertically provided with an extrusion channel (5) below the male die (1), the upper end of the extrusion channel (5) is provided with a blank inlet (6), the lower end of the extrusion channel (5) is provided with a blank outlet (7), the extrusion channel (5) is formed by downwards extending the blank inlet (6) to form a blank containing cavity (8), the extrusion ring assembly (4) is arranged on the female die body (3), the extrusion ring assembly (4) comprises an extrusion ring (9) and a roller (10), the roller (10) is arranged in the extrusion ring (9) in a rolling manner, the extrusion ring (9) is downwards inwards folded by the blank containing cavity (8) to form a conical extrusion surface (11) tangent to the surface of the roller (10), the lower end of the conical extrusion surface (11) is communicated with the billet outlet (7), the roller (10) is exposed out of the conical extrusion surface (11), and a lubricant channel (12) for supplying oil to the surface of the roller (10) is formed in the extrusion ring (9).
2. The magnesium alloy rod forward extrusion die capable of automatically slowly releasing lubrication according to claim 1, which is characterized in that: the middle part of the conical extrusion surface (11) is provided with a roller exposure port (13), and the roller (10) is exposed out of the conical extrusion surface (11) through the roller exposure port (13).
3. The magnesium alloy rod forward extrusion die capable of automatically slowly releasing lubrication according to claim 1, which is characterized in that: the die body (3) comprises an upper die (14) and a lower die (15) which are vertically spliced, the blank accommodating cavity (8) is formed in the upper die (14), an extrusion ring assembly mounting cavity (16) is formed at the splicing position of the upper die (14) and the lower die (15), and the extrusion ring assembly (4) is detachably mounted in the extrusion ring assembly mounting cavity (16).
4. The magnesium alloy rod forward extrusion die capable of automatically slowly releasing lubrication according to claim 1, which is characterized in that: the extrusion ring (9) comprises an extrusion ring main body (17) and detachable blocks (18), the extrusion ring main body (17) forms the conical extrusion surface (11), the rollers (10) are mounted on the detachable blocks (18), and the detachable blocks (18) are detachably embedded into the extrusion ring main body (17).
5. The magnesium alloy rod forward extrusion die capable of automatically slowly releasing lubrication according to claim 4, which is characterized in that: a detachable block mounting cavity (19) extends from the outer wall of the extrusion ring main body (17) to the conical extrusion surface (11), and the detachable block (18) is embedded into the extrusion ring main body (17) through the detachable block mounting cavity (19).
6. The magnesium alloy rod forward extrusion die capable of automatically slowly releasing lubrication according to claim 4, which is characterized in that: a lubricant groove (20) for communicating a lubricant channel (12) is formed between the detachable block body (18) and the roller (10), a cleaning groove (21) for communicating the lubricant groove (20) to the outer side of the extrusion ring assembly (4) is formed below the detachable block body (18), and a cleaning groove block body (22) is detachably plugged in the cleaning groove (21).
7. The magnesium alloy rod forward extrusion die capable of automatically slowly releasing lubrication according to claim 1, which is characterized in that: the blank accommodating cavity (8) is cylindrical, and the conical extrusion surface (11) is a conical surface.
8. The magnesium alloy rod forward extrusion die capable of automatically slowly releasing lubrication according to claim 7, which is characterized in that: the extrusion ring (9) is uniformly distributed with a plurality of rollers (10) along the circumference of the conical extrusion surface (11).
9. The magnesium alloy rod forward extrusion die capable of automatically slowly releasing lubrication according to claim 7, which is characterized in that: the side wall of the roller (10) is arc-shaped and concave so as to form line contact with the blank when the blank flows along the conical extrusion surface (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111499951.4A CN113967669B (en) | 2021-12-09 | Automatic slow-release lubrication magnesium alloy bar forward extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111499951.4A CN113967669B (en) | 2021-12-09 | Automatic slow-release lubrication magnesium alloy bar forward extrusion die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113967669A true CN113967669A (en) | 2022-01-25 |
| CN113967669B CN113967669B (en) | 2024-06-04 |
Family
ID=
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589284A (en) * | 2022-05-10 | 2022-06-07 | 中北大学 | One-fire cogging die and method for alloy bar and upsetting-extruding-upsetting large deformation method |
| CN114888110A (en) * | 2022-03-09 | 2022-08-12 | 武汉理工大学 | Forming die and forming method of metal corrugated pipe |
| CN115069809A (en) * | 2022-07-20 | 2022-09-20 | 中北大学 | Forming die and method for ultrahigh-strength and high-toughness aluminum alloy |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB261474A (en) * | 1925-08-19 | 1926-11-19 | Henry Berry & Company Ltd | Improvements in or relating to extruding presses for forming rods and tubes from metal billets |
| GB624466A (en) * | 1946-12-06 | 1949-06-09 | William Shelley Walker | Improvements in or relating to extrusion processes and apparatus |
| FR1380472A (en) * | 1962-07-27 | 1964-12-04 | Baldwin Lima Hamilton Corp | Metal extrusion process and devices using this process |
| DE2239912A1 (en) * | 1971-08-16 | 1973-02-22 | Battelle Memorial Institute | METHOD AND DEVICE FOR HYDROSTATIC EXTRUSION |
| JPH07185647A (en) * | 1993-12-28 | 1995-07-25 | Showa Alum Corp | Extruding tool |
| CN102294374A (en) * | 2011-06-29 | 2011-12-28 | 无锡市常欣机电科技有限公司 | Wire drawing machine rotating die box |
| CN105170677A (en) * | 2015-09-30 | 2015-12-23 | 江西耀升钨业股份有限公司 | Environment-friendly device for performing no-water extruding on bar-shaped hard alloy blanks |
| CN206290575U (en) * | 2016-12-06 | 2017-06-30 | 新昌县普利轴承有限公司 | A kind of bearing of long service life |
| CN206286341U (en) * | 2016-11-24 | 2017-06-30 | 浙江耐乐铜业有限公司 | Inner thread copper tube forming mold component |
| CN206495885U (en) * | 2016-12-28 | 2017-09-15 | 天津迈克科技发展有限公司 | A kind of roller devices for being conveniently replaceable roller |
| CN108213104A (en) * | 2018-03-19 | 2018-06-29 | 哈尔滨工业大学 | A kind of extrusion die of continuous lubrication |
| CN208593241U (en) * | 2018-06-20 | 2019-03-12 | 宁波展欣汽车科技发展有限公司 | A kind of wheel hub convenient for cleaning the dregs of fat |
| CN208613390U (en) * | 2018-06-25 | 2019-03-19 | 滁州质顶机电科技有限公司 | A kind of efficient extrusion die |
| CN109877177A (en) * | 2019-03-14 | 2019-06-14 | 西安交通大学 | A kind of splined shaft squeezes composable mold and spline production method of shaft |
| CN209206239U (en) * | 2018-10-22 | 2019-08-06 | 罗益机械制造(苏州)有限公司 | Seamless rolling-sliding type Bending Mould |
| CN110153218A (en) * | 2019-06-19 | 2019-08-23 | 燕山大学 | Channel pressings mold and its pressing methods such as a kind of roller |
| CN209439212U (en) * | 2018-11-22 | 2019-09-27 | 张家港嘉园钢铁制品有限公司 | High-accuracy cold-drawn unit for steel pipe |
| CN110548774A (en) * | 2019-09-24 | 2019-12-10 | 郑州市立峰工贸有限公司 | Processing die for square special-shaped bar |
| CN110560500A (en) * | 2019-08-27 | 2019-12-13 | 太原理工大学 | synchronous extruding and twisting composite device for screw-driven fine-grain magnesium alloy and processing method |
| CN111203508A (en) * | 2020-03-09 | 2020-05-29 | 中北大学 | Continuous upsetting blank making die for magnesium alloy cast rod |
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB261474A (en) * | 1925-08-19 | 1926-11-19 | Henry Berry & Company Ltd | Improvements in or relating to extruding presses for forming rods and tubes from metal billets |
| GB624466A (en) * | 1946-12-06 | 1949-06-09 | William Shelley Walker | Improvements in or relating to extrusion processes and apparatus |
| FR1380472A (en) * | 1962-07-27 | 1964-12-04 | Baldwin Lima Hamilton Corp | Metal extrusion process and devices using this process |
| GB1025593A (en) * | 1962-07-27 | 1966-04-14 | Baldwin Lima Hamilton Corp | Improvements in and relating to the shaping of metal by pressure |
| DE2239912A1 (en) * | 1971-08-16 | 1973-02-22 | Battelle Memorial Institute | METHOD AND DEVICE FOR HYDROSTATIC EXTRUSION |
| JPH07185647A (en) * | 1993-12-28 | 1995-07-25 | Showa Alum Corp | Extruding tool |
| CN102294374A (en) * | 2011-06-29 | 2011-12-28 | 无锡市常欣机电科技有限公司 | Wire drawing machine rotating die box |
| CN105170677A (en) * | 2015-09-30 | 2015-12-23 | 江西耀升钨业股份有限公司 | Environment-friendly device for performing no-water extruding on bar-shaped hard alloy blanks |
| CN206286341U (en) * | 2016-11-24 | 2017-06-30 | 浙江耐乐铜业有限公司 | Inner thread copper tube forming mold component |
| CN206290575U (en) * | 2016-12-06 | 2017-06-30 | 新昌县普利轴承有限公司 | A kind of bearing of long service life |
| CN206495885U (en) * | 2016-12-28 | 2017-09-15 | 天津迈克科技发展有限公司 | A kind of roller devices for being conveniently replaceable roller |
| CN108213104A (en) * | 2018-03-19 | 2018-06-29 | 哈尔滨工业大学 | A kind of extrusion die of continuous lubrication |
| CN208593241U (en) * | 2018-06-20 | 2019-03-12 | 宁波展欣汽车科技发展有限公司 | A kind of wheel hub convenient for cleaning the dregs of fat |
| CN208613390U (en) * | 2018-06-25 | 2019-03-19 | 滁州质顶机电科技有限公司 | A kind of efficient extrusion die |
| CN209206239U (en) * | 2018-10-22 | 2019-08-06 | 罗益机械制造(苏州)有限公司 | Seamless rolling-sliding type Bending Mould |
| CN209439212U (en) * | 2018-11-22 | 2019-09-27 | 张家港嘉园钢铁制品有限公司 | High-accuracy cold-drawn unit for steel pipe |
| CN109877177A (en) * | 2019-03-14 | 2019-06-14 | 西安交通大学 | A kind of splined shaft squeezes composable mold and spline production method of shaft |
| CN110153218A (en) * | 2019-06-19 | 2019-08-23 | 燕山大学 | Channel pressings mold and its pressing methods such as a kind of roller |
| CN110560500A (en) * | 2019-08-27 | 2019-12-13 | 太原理工大学 | synchronous extruding and twisting composite device for screw-driven fine-grain magnesium alloy and processing method |
| CN110548774A (en) * | 2019-09-24 | 2019-12-10 | 郑州市立峰工贸有限公司 | Processing die for square special-shaped bar |
| CN111203508A (en) * | 2020-03-09 | 2020-05-29 | 中北大学 | Continuous upsetting blank making die for magnesium alloy cast rod |
Non-Patent Citations (2)
| Title |
|---|
| 杨程;张敏娜;汤丹妮;张喆;赵升吨;: "改变摩擦方式的挤压成形研究现状", 锻压技术, no. 05, pages 6 - 11 * |
| 王德林等: "镁合金筒形件挤压成形金属流动规律研究", 试验研究, 31 January 2005 (2005-01-31), pages 91 - 93 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888110A (en) * | 2022-03-09 | 2022-08-12 | 武汉理工大学 | Forming die and forming method of metal corrugated pipe |
| CN114589284A (en) * | 2022-05-10 | 2022-06-07 | 中北大学 | One-fire cogging die and method for alloy bar and upsetting-extruding-upsetting large deformation method |
| CN114589284B (en) * | 2022-05-10 | 2022-07-29 | 中北大学 | One-fire cogging die and method for alloy bar stock and upsetting-extruding-upsetting large deformation method |
| CN115069809A (en) * | 2022-07-20 | 2022-09-20 | 中北大学 | Forming die and method for ultrahigh-strength and high-toughness aluminum alloy |
| CN115069809B (en) * | 2022-07-20 | 2022-11-29 | 中北大学 | Forming method of ultrahigh-strength and high-toughness aluminum alloy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7159426B1 (en) | Quick change assembly for hydroforming punches | |
| JP5280971B2 (en) | Metal tube drawing device and drawing method | |
| CN101328930A (en) | Cold-extruded machining process of diesel starting shaft | |
| CN113967669A (en) | Magnesium alloy bar forward extrusion die capable of automatically slowly releasing lubrication | |
| CN109013996A (en) | A kind of cold-heading molding valve cock and its moulding process | |
| CN113967669B (en) | Automatic slow-release lubrication magnesium alloy bar forward extrusion die | |
| CN104475543B (en) | Ultrathin steel strip rolls flushing device continuously | |
| CN209753679U (en) | Copper product extrusion device | |
| CN112455136A (en) | Metal embossing plate roll forming method | |
| CN104741505A (en) | Method for manufacturing efficient silent chain plate long in service life | |
| CN103624207A (en) | Self-lubricating punching mold for large-specification link plate | |
| CN208743597U (en) | A kind of hot pier molding die of hexagon-headed bolt | |
| CN203621213U (en) | Die-shaping mechanism for self-lubricating punching die | |
| CN208600586U (en) | A kind of bool progressive die convenient for automatic blanking | |
| CN213701464U (en) | Extrusion compound die for bolt production | |
| CN109647958B (en) | Roller steel wire tension spring resetting device for roll extrusion forming of variable-wall-thickness barrel part | |
| CN211727050U (en) | Arc plate processing equipment with ejection device | |
| CN110788211B (en) | Forging punch die capable of reducing workpiece abrasion | |
| CN207373912U (en) | A kind of automatic solvent adding set and tampon pad printing system | |
| CN217700699U (en) | Steel wire drawing device with pressure die | |
| CN209206077U (en) | One kind being suitable for the molding split type extrusion die of copper foil | |
| CN111822955B (en) | Machining process of flange integrated linear bearing | |
| CN203917797U (en) | Self-lubricating punching die for large specification carrier bar | |
| CN219805221U (en) | Fire row hole continuous stamping die of combustion tube | |
| CN108787978A (en) | A kind of hot pier molding die of hexagon-headed bolt and its processing technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |