CN105436375A - Loose tooling upsetting device and method capable of realizing continuous double-end upsetting of medium and long rods - Google Patents
Loose tooling upsetting device and method capable of realizing continuous double-end upsetting of medium and long rods Download PDFInfo
- Publication number
- CN105436375A CN105436375A CN201511008336.3A CN201511008336A CN105436375A CN 105436375 A CN105436375 A CN 105436375A CN 201511008336 A CN201511008336 A CN 201511008336A CN 105436375 A CN105436375 A CN 105436375A
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- CN
- China
- Prior art keywords
- upsetting
- base
- microcephaly
- die
- major part
- 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
- 238000000034 method Methods 0.000 title claims abstract description 11
- 208000004141 microcephaly Diseases 0.000 claims description 40
- 238000009434 installation Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000010080 roll forging Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000005242 forging Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 210000002219 extraembryonic membrane Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a loose tooling upsetting device and method capable of realizing continuous double-end upsetting of medium and long rods. The device comprises a punch, a sleeve, a female die, a core die, a big-end upsetting base and a small-end upsetting base, wherein the core die is mounted in an inner cavity of the female die; the female die is selectively placed in the big-end upsetting base or the small-end upsetting base; the sleeve is arranged at the top end of the female die in a sleeving way; the inner diameter of the sleeve is matched with the excircle of a long rod; the punch is arranged in an inner hole of the sleeve; an upper tapered groove matched with the big end of the rod is formed in the bottom of the sleeve; a through hole is formed in the center of the big-end upsetting base; and a lower tapered groove matched with the small end of the rod is formed in the center of the small-end upsetting base. The loose tooling upsetting device capable of realizing continuous double-end upsetting of the medium and long rods is provided with the big-end upsetting base and the small-end upsetting base, and realizes once-heating continuous upsetting of double tapered ends. Meanwhile, the loose tooling upsetting device facilitates die opening and is more stable and reliable in structure.
Description
Technical field
The invention belongs to forging loose tooling forging technical field, particularly relate to upsetting device and the method for the continuous upsetting double end of long bar in a kind of realization.
Background technology
Loose tooling forging is the forming method of a kind of outbalance in FMT, and its mould is simple, easily manufactures, and technological flexibility is strong, and be used widely in this base process before die forging, jumping-up is the main preforming in open die forging, loose tooling forging.
Publication number is: CN101767174B, and denomination of invention is: for the upsetting device of the continuous heading in long bar two ends.It is the fetal membrane producing the continuous upsetting double end use of upper long bar at present.It comprises drift, sleeve, die, core and base, and this fetal membrane device can only a shaping headband tapering.Due to forging in producing often head material be tapering distribution, if use head isodiametric blank, during die forging, easily cause forging end face folding.
Summary of the invention
The object of the present invention is to provide upsetting device and the method for the continuous upsetting double end of long bar in a kind of realization, a fire continuously upsetting double end and double end is all with tapering can be realized, solve in production process due to blank head and forging head sub-material inconsistent and cause folding problem.
For reaching this object, the present invention by the following technical solutions:
A upsetting device for the continuous upsetting double end of long bar in realizing, it comprises drift, sleeve, die, core, upsetting major part base and upsetting microcephaly base, and described core is installed in the inner chamber of described die; Described die is selectively positioned in upsetting major part base or upsetting microcephaly base, described sleeve set is in the top of described die, described sleeve diameter matches with the cylindrical of long bar, described drift is arranged in described hub internal bore, wherein, the bottom of described sleeve is provided with the upper conical groove coordinating bar major part to arrange, and the center of described upsetting major part base offers through hole, and the center of described upsetting microcephaly base offers the inferior pyramidal groove coordinating bar microcephaly to arrange.
Especially, the middle part of described sleeve adopts arc-shaped transitional surface, to improve the intensity of sleeve.
Especially, the outer wall of described core offers several grooves along short transverse, so that die sinking and clamping core.
Especially, bottom the endoporus of described die along in be extended with a support rim for supporting core.
Especially, the periphery of described inferior pyramidal groove is upwards extended with positive stop lug boss, coordinates described positive stop lug boss to offer groove in the bottom surface of described die, upsetting microcephaly floor installation on die after, described groove is posted by described positive stop lug boss.
Especially, the outer wall of described die is provided with upsetting major part base groove and upsetting microcephaly base groove.
A upsetting method for the continuous upsetting double end of long bar in realizing, it comprises the following steps:
Step one: upsetting major part
1) roll forging part split-type core is embraced, then put into die together;
2) by step 1) in all put into upsetting major part base;
3) sleeve is covered;
4) drift is put into;
5) check that the upper plane of upsetting major part base overlaps with upsetting major part base groove, sleeve rises drift and leads and protective effect, when equipment hits by blank jumping-up, until planes align on plane and sleeve on drift, completes upsetting major part;
Step 2: upsetting microcephaly, removes upsetting major part base by upsetting microcephaly floor installation in the bottom of die, makes the upper plane of upsetting microcephaly base overlap with upsetting microcephaly base groove before heading, puts upsetting microcephaly steadily;
Step 3: the demoulding, removes upsetting microcephaly base and complete equipment is overturn 180 ° of demouldings, takes out blank.
Beneficial effect of the present invention is, compared with prior art described can realize in the upsetting device of the continuous upsetting double end of long bar be provided with upsetting major part base and upsetting microcephaly base, achieve fire upsetting double end and double end is all with tapering continuously.Be convenient to die sinking, structure is more reliable and more stable simultaneously.Described realize in the first upsetting major part of the upsetting method choice upsetting microcephaly again of the continuous upsetting double end of long bar, the demoulding making heading follow-up is convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the blank of two all with tapering;
Fig. 2 be the specific embodiment of the invention 1 provide realize in the upsetting device of long bar continuous upsetting double end the schematic diagram of upsetting major part base is installed;
Fig. 3 be the specific embodiment of the invention 1 provide realize in the upsetting device of long bar continuous upsetting double end the schematic diagram of upsetting microcephaly base is installed.
In figure:
1, drift; 2, sleeve; 3, die; 4, core; 5, upsetting major part base; 6, upsetting microcephaly base; 7, support rim; 8, arc-shaped transitional surface; 9, upper conical groove; 10, through hole; 11, inferior pyramidal groove; 12, positive stop lug boss; 13, groove; 14, blank; 15, holding tank.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Refer to shown in Fig. 1 to Fig. 3, in the present embodiment, a kind of realize in the upsetting device of the continuous upsetting double end of long bar comprise drift 1, sleeve 2, die 3, core 4, upsetting major part base 5 and upsetting microcephaly base 6, described core 4 is installed in the inner chamber of described die 3; Described core 4 radial direction is tile configuration; Described core 4 is divided into two and half block structures in radial direction, and the outer wall of described core 4 offers several holding tanks 15 along short transverse, so that die sinking and clamping core 4.Described die 3 is selectively positioned in upsetting major part base 5 or upsetting microcephaly base 6, and bottom the endoporus of described die 3 along in be extended with a support rim 7 for supporting core 4.Described sleeve 2 is set in the top of described die 3, and the middle part of described sleeve 2 adopts arc-shaped transitional surface 8, to improve the intensity of sleeve 2.And described sleeve 2 internal diameter matches with the cylindrical of long bar, described drift 1 is arranged in described sleeve 2 endoporus, and the bottom of described sleeve 2 is provided with the upper conical groove 9 coordinating bar major part to arrange, and the center of described upsetting major part base 5 offers through hole 10.
The center of described upsetting microcephaly base 6 offers the inferior pyramidal groove 11 coordinating bar microcephaly to arrange, the periphery of described inferior pyramidal groove 11 is upwards extended with positive stop lug boss 12, described positive stop lug boss 12 is coordinated to offer groove 13 in the bottom surface of described die 3, upsetting microcephaly base 6 is installed on after on die 3, and described groove 3 is posted by described positive stop lug boss 12.
The outer wall of described die 3 is provided with upsetting major part base groove and upsetting microcephaly base groove.
A upsetting method for the continuous upsetting double end of long bar in realizing, jumping-up is carried out to blank 14 and comprises the following steps:
Step one: upsetting major part
1) roll forging part split-type core 4 is embraced, then put into die 3 together;
2) by step 1) in all put into upsetting major part base 5;
3) sleeve 2 is covered;
4) drift 1 is put into;
5) check that the upper plane of upsetting major part base 5 overlaps with upsetting major part base groove, sleeve 2 pairs of drifts 1 lead and protective effect, when equipment hits by blank jumping-up, until planes align on plane and sleeve 2 on drift 1, complete upsetting major part;
Step 2: upsetting microcephaly, removes the bottom that upsetting microcephaly base 6 is installed on die 3 by upsetting major part base 5, makes the upper plane of upsetting microcephaly base 6 overlap with upsetting microcephaly base groove before heading, puts upsetting microcephaly steadily;
Step 3: the demoulding, removes upsetting microcephaly base 6 and complete equipment is overturn 180 ° of demouldings, takes out blank.
Above embodiment has just set forth general principle of the present invention and characteristic; the present invention does not limit by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1. in can realizing, a upsetting device for the continuous upsetting double end of long bar, is characterized in that, it comprises drift, sleeve, die, core, upsetting major part base and upsetting microcephaly base, and described core is installed in the inner chamber of described die; Described die is selectively positioned in upsetting major part base or upsetting microcephaly base, described sleeve set is in the top of described die, described sleeve diameter matches with the cylindrical of long bar, described drift is arranged in described hub internal bore, wherein, the bottom of described sleeve is provided with the upper conical groove coordinating bar major part to arrange, and the center of described upsetting major part base offers through hole, and the center of described upsetting microcephaly base offers the inferior pyramidal groove coordinating bar microcephaly to arrange.
2. according to claim 1 realize in the upsetting device of the continuous upsetting double end of long bar, it is characterized in that, the middle part of described sleeve adopts arc-shaped transitional surface.
3. according to claim 1 realize in the upsetting device of the continuous upsetting double end of long bar, it is characterized in that, the outer wall of described core offers several grooves along short transverse.
4. according to claim 1 realize in the upsetting device of the continuous upsetting double end of long bar, it is characterized in that, bottom the endoporus of described die along in be extended with a support rim for supporting core.
5. according to claim 1 realize in the upsetting device of the continuous upsetting double end of long bar, it is characterized in that, the periphery of described inferior pyramidal groove is upwards extended with positive stop lug boss, described positive stop lug boss is coordinated to offer groove in the bottom surface of described die, upsetting microcephaly floor installation on die after, described groove is posted by described positive stop lug boss.
6. according to claim 1 realize in the upsetting device of the continuous upsetting double end of long bar, it is characterized in that, the outer wall of described die is provided with upsetting major part base groove and upsetting microcephaly base groove.
7. a method for upsetting for the upsetting device of the continuous upsetting double end of long bar in adopting any one of the claims 1 to 6 to realize, it is characterized in that, it comprises the following steps:
Step one: upsetting major part
1) roll forging part split-type core is embraced, then put into die together;
2) by step 1) in all put into upsetting major part base;
3) sleeve is covered;
4) drift is put into;
5) check that the upper plane of upsetting major part base overlaps with upsetting major part base groove, sleeve rises drift and leads and protective effect, when equipment hits by blank jumping-up, until planes align on plane and sleeve on drift, completes upsetting major part;
Step 2: upsetting microcephaly, removes upsetting major part base by upsetting microcephaly floor installation in the bottom of die, makes the upper plane of upsetting microcephaly base overlap with upsetting microcephaly base groove before heading, puts upsetting microcephaly steadily;
Step 3: the demoulding, removes upsetting microcephaly base and complete equipment is overturn 180 ° of demouldings, takes out blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008336.3A CN105436375B (en) | 2015-12-28 | 2015-12-28 | It is a kind of can be achieved in the long continuous upsetting double end of bar upsetting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008336.3A CN105436375B (en) | 2015-12-28 | 2015-12-28 | It is a kind of can be achieved in the long continuous upsetting double end of bar upsetting device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105436375A true CN105436375A (en) | 2016-03-30 |
| CN105436375B CN105436375B (en) | 2018-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511008336.3A Active CN105436375B (en) | 2015-12-28 | 2015-12-28 | It is a kind of can be achieved in the long continuous upsetting double end of bar upsetting device and method |
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| Country | Link |
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| CN (1) | CN105436375B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964859A (en) * | 2016-04-22 | 2016-09-28 | 中北大学 | Uniform upsetting forming die of high height-diameter-ratio magnesium alloy bar |
| CN119973008A (en) * | 2025-04-11 | 2025-05-13 | 盐城市大丰华瑞精工机械有限公司 | A valve stem head upsetting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61137635A (en) * | 1984-12-07 | 1986-06-25 | Sugino Techno:Kk | Production of crank shaft for bicycle |
| CN2456864Y (en) * | 2000-12-13 | 2001-10-31 | 宋永久 | Cold upsetting device of equal strength anchor rod end screw blank |
| JP2004141895A (en) * | 2002-10-22 | 2004-05-20 | Daido Steel Co Ltd | Multi-stage forging device |
| JP2004276043A (en) * | 2003-03-13 | 2004-10-07 | Daido Steel Co Ltd | Multi-stage forging device |
| CN101767174A (en) * | 2010-02-25 | 2010-07-07 | 无锡透平叶片有限公司 | Loose tooling upsetting device of continuous upsetting heads at both ends of long rod material |
| CN205436961U (en) * | 2015-12-28 | 2016-08-10 | 无锡透平叶片有限公司 | Long rod material child mould jumping -up device of double -end of upsetting in succession in can realizing |
-
2015
- 2015-12-28 CN CN201511008336.3A patent/CN105436375B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61137635A (en) * | 1984-12-07 | 1986-06-25 | Sugino Techno:Kk | Production of crank shaft for bicycle |
| CN2456864Y (en) * | 2000-12-13 | 2001-10-31 | 宋永久 | Cold upsetting device of equal strength anchor rod end screw blank |
| JP2004141895A (en) * | 2002-10-22 | 2004-05-20 | Daido Steel Co Ltd | Multi-stage forging device |
| JP2004276043A (en) * | 2003-03-13 | 2004-10-07 | Daido Steel Co Ltd | Multi-stage forging device |
| CN101767174A (en) * | 2010-02-25 | 2010-07-07 | 无锡透平叶片有限公司 | Loose tooling upsetting device of continuous upsetting heads at both ends of long rod material |
| CN205436961U (en) * | 2015-12-28 | 2016-08-10 | 无锡透平叶片有限公司 | Long rod material child mould jumping -up device of double -end of upsetting in succession in can realizing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964859A (en) * | 2016-04-22 | 2016-09-28 | 中北大学 | Uniform upsetting forming die of high height-diameter-ratio magnesium alloy bar |
| CN119973008A (en) * | 2025-04-11 | 2025-05-13 | 盐城市大丰华瑞精工机械有限公司 | A valve stem head upsetting device |
| CN119973008B (en) * | 2025-04-11 | 2025-07-11 | 盐城市大丰华瑞精工机械有限公司 | Valve rod head upsetting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105436375B (en) | 2018-04-03 |
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