CN108543823A - A kind of long size beam barrel Bidirectional-squeezing manufacturing process and shaping dies - Google Patents
A kind of long size beam barrel Bidirectional-squeezing manufacturing process and shaping dies Download PDFInfo
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- CN108543823A CN108543823A CN201810223529.8A CN201810223529A CN108543823A CN 108543823 A CN108543823 A CN 108543823A CN 201810223529 A CN201810223529 A CN 201810223529A CN 108543823 A CN108543823 A CN 108543823A
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- China
- Prior art keywords
- ejection system
- cavity plate
- mold core
- plate mold
- speed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- 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
- B21C23/18—Making uncoated products by impact extrusion
-
- 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
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention relates to precision metal technical field of forging, more particularly to a kind of long size beam barrel Bidirectional-squeezing manufacturing process and shaping dies.The molding die of the present invention, molding die include bottom plate, restraint system guard ring, cavity plate, ejection system, speed-limiting device.Speed-limiting device and ejection system reasonably control the speed of service of bar, can effectively reduce the failures such as crackle, interlayer, the folding in forming process, and effective liftout attachment improves product quality and yield rate, improves productivity, reduces production cost.
Description
Technical field
The present invention relates to precision metal technical field of forging, more particularly to a kind of long size beam barrel Bidirectional-squeezing manufacturing process
And shaping dies.
Background technology
With science and technology and industrial fast development, using auto industry as the mechanical industry of representative at home and abroad
Market competition is growing more intense.How effectively to improve parts precision and performance, the high efficiency for realizing design process, low cost with
The Environmentally-frielow-energy-consumptipolycarboxylic low-energy-consumptipolycarboxylic of production technology has become the important channel that manufacturing industry improves the market competitiveness.With the change of the market demand,
Traditional cutting technology and casting technique have been difficult to meet modern production needs.Forging technology is using forging press to metal
Blank applies pressure, it is made to generate plastic deformation to obtain the processing with certain mechanical performance, definite shape and size forging
Method can eliminate the defects of as cast condition that metal generates in smelting process is loose, optimizing tissue structure by forging；While by
In the integrality for saving metal streamline, therefore the mechanical performance of forging and service life are generally preferred over the casting of same material.And
It is below the recrystallization temperature of steel and more efficient for the precision and quality for improving forging higher than the warm forging technique that room temperature carries out,
Prodigious plastic force will not be needed as cold-forging technique, apply in general to the forging molding to quality and required precision higher part part.
But even with such technique, problem still will appear for the precision forging processing of certain parts, such as a kind of length
The beam barrel of size, overall length is generally in 270mm or more, and beam barrel wall thickness is generally in 12mm or so, for this long size shaft-like
Forging processing, when being forged using current warm forging technique, since the speed that the stroke of punch-pin downlink is long and pushes is not easy
Control, easily cause workpiece to crack, interlayer, fold the defects of, not only reduced production efficiency but also increased production cost.
Therefore, it in order to improve the quality of this forging, needs to improve existing production equipment and process, design one
Kind forging quality higher, the higher forging processing technology of production efficiency and equipment.
Invention content
For the problem in existing forging processing technology, the object of the present invention is to provide a kind of long size shaft-likes zero
Part Bidirectional-squeezing manufacturing process and shaping dies can greatly improve the product matter of the relatively thin shaft-like part of longer dimension wall thickness
Amount improves production efficiency, reduces production cost.
To achieve the object of the present invention, a kind of long size beam barrel Bidirectional-squeezing shaping dies of the invention, molding die packet
Containing bottom plate, restraint system guard ring, cavity plate, ejection system, speed-limiting device；The cavity plate is recessed by die sleeve, top cavity plate mold core, lower part
Mould mold core forms；Ejection system is made of ejection system top plate, ejection system bottom plate, ejection system mandril, and speed-limiting device is by leading
Xiang Zhu, speed limit spring composition；Bottom plate is equipped with restraint system guard ring, and restraint system guard ring is equipped with die sleeve, is equipped in die sleeve upper
Portion's cavity plate mold core, restraint system guard ring is interior to be equipped with lower part cavity plate mold core and ejection system, and lower part cavity plate mold core is located at ejection system
Top, ejection system are mounted on bottom plate, and top cavity plate mold core, the lower part cavity plate mold core of cavity plate are equipped with the guiding of ejection system
Slot, guide post stretch into guide groove, and guide post lower end is stretched into across ejection system top plate and is fixed on ejection system in ejection system
Bottom plate, the guiding post part in ejection system are equipped with speed limit spring, cavity, ejection system are provided among the cavity plate mold core of cavity plate
Mandril is located on ejection system top plate, and across lower part, cavity plate mold core stretches into cavity；Mandril is equipped with below ejection system top plate.
Further, cavity plate mold core in lower part is mounted on by step in restraint system guard ring；Top cavity plate mold core passes through platform
Rank is mounted in die sleeve；Top cavity plate mold core is connect with lower part cavity plate mold core by guide post.
Another purpose according to the present invention, a kind of long size beam barrel Bidirectional-squeezing manufacturing process of the present invention, by following
Step is realized：Bar raw material is sawn into blank to be processed, ball blast and is surface-treated by the first step, blanking；Second step, jumping-up,
Jumping-up after the blank heating to predetermined temperature that processing is completed；Third walks, and the material after jumping-up is put into shaping mould by extrusion molding
It carries out instead squeezing for the first time in tool, it is then counter for the second time to the other end to be extruded into shape；4th step goes to take, and will pass through anti-twice squeeze
The beam barrel intermediate rest material of forming removes；5th step, finishing ensure the precision of part to going the beam barrel after taking to carry out finishing
And surface quality.
In the first step, surface treatment is that the casting ball using diameter in 0.5-1.8mm carries out ball blast to raw material surface
Handle 8-12min.
In the second step, being heated to predetermined temperature refers to：Using frequency 500Hz-20kHz Frequency Induction Heatings by bar
It is heated to 650-800 DEG C.
In the third step, the length range of backward extrusion is 130-170mm.
In the third step, the stroke range that shaping dies is equipped with mating speed-limiting device and ejection system is 30-
100mm。
A kind of long size beam barrel Bidirectional-squeezing manufacturing process and shaping dies of the present invention carries out long size beam barrel two-way
Extrusion molding is avoided due to the long caused product failure of a crush stroke.Traditional forge die and liftout attachment, it is uncomfortable
Production for long forging shaft, it may appear that a large amount of forging defect and the case where can not push up.The molding die of the present invention, speed limit dress
Set and the speed of service of bar reasonably controlled with ejection system, can effectively reduce crackle in forming process, interlayer,
The failures such as folding, and effective liftout attachment improve product quality and yield rate, improve productivity, reduce production cost.
Description of the drawings
In order to illustrate more clearly of the features and advantages of the present invention, the present invention is carried out below in conjunction with example and attached drawing detailed
Thin description：
Fig. 1 show the structural schematic diagram of the long size beam barrel of parts to be processed.
Fig. 2 show the long size beam barrel Bidirectional-squeezing manufacturing process of the present invention and the mold schematic diagram of shaping dies.
The manufacturing process process for the long size beam barrel Bidirectional-squeezing manufacturing process and shaping dies that Fig. 3 show the present invention is shown
It is intended to.
Specific implementation mode
The specific implementation mode of the present invention is described in detail with example below in conjunction with the accompanying drawings, but the present invention should not be limited only
In this example.
The processing of this example is as shown in Figure 1, material is the long beam barrel that No. 45 steel length are 295mm, wall thickness is 11mm.
This example is as shown in Fig. 2, be a kind of structural schematic diagram of long size beam barrel Bidirectional-squeezing shaping dies, including bottom plate
1, restraint system guard ring 2, lower part cavity plate mold core 3, ejection system mandril 4, top cavity plate mold core 5, die sleeve 6, guide post 7 and 9,8
Cavity, ejection system top plate 10, speed limit spring 11, ejection system bottom plate 12, mandril 13.1 top of bottom plate is equipped with restraint system and protects
Circle 2, restraint system guard ring 2 is interior to be equipped with lower part cavity plate mold core 3, the ejection system being mounted on by step in restraint system guard ring 2
Top plate 10, ejection system bottom plate 12；Ejection system top plate 10 is equipped with ejection system mandril 4, and 10 lower section of ejection system top plate is set
There is mandril 13, speed limit spring 11 is equipped between ejection system top plate 10 and ejection system bottom plate 12 and is connected by guide post 7 and 9
It connects.2 top of restraint system guard ring is equipped with die sleeve 6, and the top cavity plate mold core being mounted on by step in die sleeve 6 is equipped in die sleeve 6
5.Top cavity plate mold core 5 is connect with lower part cavity plate mold core 3 by guide post 7 and 9.
In conjunction with the present invention shown in Fig. 3 long size beam barrel in Bidirectional-squeezing manufacturing process process schematic diagram and it is above-mentioned at
The introduction about the construction of shape mold, a kind of long size beam barrel Bidirectional-squeezing shaping process step of the invention are as follows：
(1) blanking, by bar raw material be sawn into embryo material to be processed, using diameter 0.5-1.8mm casting ball to materials statement
Face carries out Shot Blasting 8-12min.
(2) jumping-up, to the surface treated bar in step (1), with the Frequency Induction Heating of frequency 500Hz-20kHz
Bar is heated to 650-800 DEG C, and carries out jumping-up.
(3) it is anti-for the first time to be put into progress in shaping dies cavity by first time extrusion molding for the bar after step (2) jumping-up
It is extruded into shape crush stroke 140mm；Bar, lift rod stroke 50mm are ejected using ejection system.
Step (3) bar overturning pressing direction is put into shaping dies cavity and carries out second by (4) second of extrusion molding
Secondary extrusion molding, stroke 140mm, and ejected by ejection system, lift rod stroke 70mm.
(5) it goes to take, step (4) is passed through into the beam barrel for being extruded into shape counter twice, intermediate rest material is removed using punch punching press.
(6) finishing ensures the performance and surface quality of part to going the beam barrel after taking to carry out finishing.So far this method
Processing step is fully completed, as shown in Figure 3.
Forming technology of the present invention limits the speed of bar pushing by speed limit spring before extrusion molding,
When embryo material in forging process concave die cavity carries out backward extrusion, the ejection system mandril of speed-limiting device and the bottom of bar
Contact, controls the lower walking of bar, speed by the elastic force of the speed limit spring in guide post, avoids due to fortune
The defects of row excessive velocities lead to cracked, interlayer during instead squeezing, fold.
Claims (7)
1. a kind of long size beam barrel Bidirectional-squeezing shaping dies, it is characterised in that：The shaping dies includes bottom plate, restraint system
Guard ring, cavity plate, ejection system, speed-limiting device；The cavity plate is made of die sleeve, top cavity plate mold core, lower part cavity plate mold core；Ejection
System is made of ejection system top plate, ejection system bottom plate, ejection system mandril, and speed-limiting device is by guide post, speed limit groups of springs
At；Bottom plate is equipped with restraint system guard ring, and restraint system guard ring is equipped with die sleeve, top cavity plate mold core, constraint are equipped in die sleeve
Lower part cavity plate mold core and ejection system are equipped in system guard ring, lower part cavity plate mold core is located above ejection system, ejection system peace
On bottom plate, top cavity plate mold core, the lower part cavity plate mold core of cavity plate are equipped with the guide groove of ejection system, and guide post stretches into guiding
In slot, guide post lower end is stretched into ejection system across ejection system top plate and is fixed on ejection system bottom plate, in ejection system
It is oriented to post part and speed limit spring is installed, cavity is provided among the cavity plate mold core of cavity plate, ejection system mandril is located at ejection system
On top plate, across lower part, cavity plate mold core stretches into cavity；Mandril is equipped with below ejection system top plate；Speed-limiting device and ejection system
The speed of service of bar is reasonably controlled, crackle in forming process, interlayer, folding can be reduced, it is effective to eject
Device improves productivity to improve product quality and yield rate, reduces production cost.
2. a kind of long size beam barrel Bidirectional-squeezing shaping dies as described in claim 1, it is characterised in that：Lower part cavity plate mold core
It is mounted in restraint system guard ring by step；Top cavity plate mold core is mounted on by step in die sleeve；Top cavity plate mold core with
Lower part cavity plate mold core is connected by guide post.
3. the method being formed using shaping dies as described in claim 1, which is characterized in that be as follows：
Bar raw material is sawn into blank to be processed, ball blast and is surface-treated by the first step, blanking；Second step, jumping-up will be located
Jumping-up after the blank heating to predetermined temperature that reason is completed；Third walks, and the material after jumping-up is put into molding die by extrusion molding
Instead squeeze for the first time, it is then counter for the second time to the other end to be extruded into shape；4th step goes to take, and will be extruded into shape by counter twice
Beam barrel intermediate rest material removal；5th step, finishing ensure the precision and table of part to going the beam barrel after taking to carry out finishing
Face quality.
4. method as claimed in claim 3, which is characterized in that in the first step, surface treatment is using diameter in 0.5-
The casting ball of 1.8mm carries out Shot Blasting 8-12min to raw material surface.
5. method as claimed in claim 3, which is characterized in that in the second step, being heated to predetermined temperature refers to：Using frequency
Bar is heated to 650-800 DEG C by rate 500Hz-20kHz Frequency Induction Heatings.
6. method as claimed in claim 3, which is characterized in that in the third step, the length range of backward extrusion is 130-
170mm。
7. method as claimed in claim 3, which is characterized in that in the third step, shaping dies is equipped with mating speed limit and fills
It is 30-100mm to set with the stroke range of ejection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223529.8A CN108543823A (en) | 2018-03-19 | 2018-03-19 | A kind of long size beam barrel Bidirectional-squeezing manufacturing process and shaping dies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810223529.8A CN108543823A (en) | 2018-03-19 | 2018-03-19 | A kind of long size beam barrel Bidirectional-squeezing manufacturing process and shaping dies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108543823A true CN108543823A (en) | 2018-09-18 |
Family
ID=63516638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810223529.8A Pending CN108543823A (en) | 2018-03-19 | 2018-03-19 | A kind of long size beam barrel Bidirectional-squeezing manufacturing process and shaping dies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108543823A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909415A (en) * | 2019-04-11 | 2019-06-21 | 无锡派克新材料科技股份有限公司 | A kind of high temperature alloy segmentation expanding method |
| CN116984534A (en) * | 2023-07-05 | 2023-11-03 | 深圳市长盈精密技术股份有限公司 | Cover plate forming method and battery top cover |
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| GB904275A (en) * | 1959-11-13 | 1962-08-29 | Schloemann Ag | Improvements in hydraulic presses for extruding metal rods or tubes |
| CN103212600A (en) * | 2013-04-16 | 2013-07-24 | 宁波安拓实业有限公司 | Manufacture method of inner sleeve |
| CN103706651A (en) * | 2013-12-20 | 2014-04-09 | 河北宏润重工股份有限公司 | Steel pipe turnover mechanism |
| CN105033144A (en) * | 2015-07-28 | 2015-11-11 | 贵州天义电器有限责任公司 | Die and method for manufacturing thin and long brass rivet |
| CN106734821A (en) * | 2017-03-20 | 2017-05-31 | 江苏海宇机械有限公司 | A kind of size axis tube cavity fine forging forming die long and forming method |
-
2018
- 2018-03-19 CN CN201810223529.8A patent/CN108543823A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB904275A (en) * | 1959-11-13 | 1962-08-29 | Schloemann Ag | Improvements in hydraulic presses for extruding metal rods or tubes |
| CN103212600A (en) * | 2013-04-16 | 2013-07-24 | 宁波安拓实业有限公司 | Manufacture method of inner sleeve |
| CN103706651A (en) * | 2013-12-20 | 2014-04-09 | 河北宏润重工股份有限公司 | Steel pipe turnover mechanism |
| CN105033144A (en) * | 2015-07-28 | 2015-11-11 | 贵州天义电器有限责任公司 | Die and method for manufacturing thin and long brass rivet |
| CN106734821A (en) * | 2017-03-20 | 2017-05-31 | 江苏海宇机械有限公司 | A kind of size axis tube cavity fine forging forming die long and forming method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909415A (en) * | 2019-04-11 | 2019-06-21 | 无锡派克新材料科技股份有限公司 | A kind of high temperature alloy segmentation expanding method |
| CN109909415B (en) * | 2019-04-11 | 2020-06-23 | 无锡派克新材料科技股份有限公司 | High-temperature alloy segmented bulging method |
| CN116984534A (en) * | 2023-07-05 | 2023-11-03 | 深圳市长盈精密技术股份有限公司 | Cover plate forming method and battery top cover |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180918 |
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| RJ01 | Rejection of invention patent application after publication |