CN109414752A - Punching press - Google Patents
Punching press Download PDFInfo
- Publication number
- CN109414752A CN109414752A CN201780039925.9A CN201780039925A CN109414752A CN 109414752 A CN109414752 A CN 109414752A CN 201780039925 A CN201780039925 A CN 201780039925A CN 109414752 A CN109414752 A CN 109414752A
- Authority
- CN
- China
- Prior art keywords
- punching press
- upsetting pressure
- workpiece
- pressure top
- press according
- 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
- 238000004080 punching Methods 0.000 title claims abstract description 40
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000010008 shearing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000007373 indentation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910000754 Wrought iron Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000007787 solid Substances 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
- B21J5/10—Piercing billets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/04—Piercing presses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention relates to a kind of punching press comprising: for accommodating the receiving portion (1) for being especially molded into hollow cylinder of workpiece (2)；Upsetting pressure comes directly towards (8), wherein in order to which the first time of workpiece (2) deforms, upsetting pressure comes directly towards (8) and is pressed against workpiece (2) using upset force；And it is arranged in the perforating head (7) on piercer (4), wherein, for second of deformation of workpiece (2), perforating head (7) is using in piercing force indentation workpiece (2), wherein, not only applied the upset force of upsetting pressure top (8) by means of common driving element (5,6) but also apply the piercing force of perforating head (7).
Description
Technical field
The present invention relates to a kind of punching press as described in the preamble according to claim 1.
Background technique
From the manufacture of seamless pipe, it is known that punching press is used for as rod iron blank providing holes for example in push-bench
Continue to process.Herein it is known that coming directly towards pre- upsetting pressure bar stock by means of upsetting pressure first, so that bar stock is pressed into receiving portion.With
It afterwards, is bar stock perforation by means of perforating head.Here, upsetting pressure top and perforating head are respectively received in individual crossbeam,
These cross beam movements are made by individual driving portion respectively.
Summary of the invention
It is an object of the present invention to provide a kind of punching press, realize simple structure implementation.
For starting the punching press, according to the present invention, being realized by the feature of the characteristic of claim 1 should
Purpose.By applying upset force and piercing force by common driving element, the cost and manufacture consumption of punching press can be reduced.This
Outside, structure size, particularly structure height can be reduced.
In preferred detailed design plan, relative to the independent driving element for upset force and piercing force
Traditional punching press, can be realized be reduced by about 25% structure height.Punching press can also be more rigidly designed as a result,
Frame and the dimensional accuracy for improving undeformed workpiece.In addition, being significantly reduced the moving-mass of punching press.
Punching press in thought of the invention is generally used for the thermal deformation or cold deformation of the workpiece of any materials.It is excellent
Selection of land is related to the punching press of the thermal deformation of the workpiece for being formed from steel.It is particularly preferred that punching press is for making herein
Make a part of the process equipment for the seamless pipe being especially formed from steel.Here, perforated workpiece is preferred in punching press
Ground is handed over to subsequent processing, such as push-bench, rolling equipment or fellow with identical temperature.Firstly, workpiece can have
Arbitrary shape, such as solid cylindrical or the bar stock of polygon.
Driving element in thought of the invention is for applying the power for making workpiece fully deformed along linear direction
Various actuators.Preferably, driving element includes hydraulic cylinder.
The preferably such component of upsetting pressure top and perforating head, that is, the component is in order to realize deformation directly and workpiece
It contacts and is subjected to corresponding mechanical load and abrasion herein.
In thought of the invention, receiving portion be the hollow shape that is introduced of workpiece wherein, workpiece is in deformation process
In be supported in the hollow shape.Due to the adjoint abrasion with this, receiving portion can preferably have replaceable inner wall, for example,
The form of replaceable casing.
Second of workpiece deformation or perforation can according to demand as the rising in receiving portion or filling deformation into
Row.Preferably, it is specified that being the deformation risen.
, it is specified that, it can be established by demountable coupling element in upsetting pressure in a kind of preferred form of implementation of the invention
Power transmission between top and driving element is cooperatively connected.This allow that simply and efficiently being used for deforming step twice identical
Driving element.Coupling element can be configured to mechanical component in different ways, with realize it is demountable couple, such as be configured to
Bar, elbow shaped rod, sliding block, cam or fellow.Generally, it is preferred to automatically manipulate coupling element couple and disconnection couples.
In a kind of preferred detailed design plan, coupling element includes that at least one couples bar herein, and coupling bar can be attached
It connects between crossbeam and upsetting pressure top.Here, attachment couple bar formed come directly towards from crossbeam to upsetting pressure it is upper simple and very steady
Fixed power transmission apparatus.Remove couple bar when, crossbeam is only also applied on perforating head by piercer and no longer
It is applied on upsetting pressure top.Preferably, such as by executor it can automatically carry out coupling the attachment of bar and remove.In order to improve
Power distribution couples the shape that bar can have part to cover, at least partially around piercer.It is settable it is multiple couple bar with
It is distributed in improved force.
In general, being advantageously arranged to, punching press only has a crossbeam in total.Make the structure shape of punching press as a result,
Formula is significantly simpler and more cost-effective.In thought of the invention, crossbeam is understood as such as lower member, that is, it is relative to pressure
The movable mode of the frame of machine is guided and transmits at least most of of deformation force.
In a kind of particularly preferred form of implementation, upsetting pressure top is movably guided on piercer.In addition to this
Except the simple mechanical implementation of invention, this, which is also achieved, is used for upsetting pressure top to guide piercer.
Advantageously generally, upsetting pressure top has the upsetting pressure face flushed with perforating head, wherein is pushed up by upsetting pressure face and perforation
Head presses workpiece jointly realizes deformation for the first time.It, can be in the feelings for not being attached perforating head again as a result, after first time deforms
Continue to deform for second under condition.
Further preferably it is arranged to, upsetting pressure top is movably guided in receiving portion.This realizes not only upsetting pressure top
The accurate orientation of head and piercer and thus coupled perforating head.In particular, can be set to herein, in place
The transverse guidance of piercer and perforating head is realized during above the wall of receiving portion, wherein upsetting pressure top is used as
The intermediary element of exterior guiding and internal guidance between piercer and the wall of receiving portion.
In advantageous detailed design plan, here, upsetting pressure top without active force sticks on during deforming for second
On workpiece, and moved in receiving portion by the deformation of workpiece.Especially it ensure that and wearing in the deformation of rising as a result,
Upsetting pressure comes directly towards corresponding optimal location in terms of the guidance of hole plug.
In generally preferable form of implementation, worn during deforming for second relative to receiving portion guidance by upsetting pressure top
Hole plug.The movement of piercer is thus avoided, and significantly improves the dimensional stability of perforated workpiece.
Advantageously generally it is arranged to, shearing ring is arranged at receiving portion, wherein can be separated by means of shearing ring perforated
The bottom of workpiece.This allows for manufacturing true-to-size hollow cylinder by means of punching press on the whole.
Other advantages and features are obtained from embodiment described below and dependent claims.
Detailed description of the invention
It is described below and explains in detail a preferred embodiment of the present invention with reference to the accompanying drawings.
Fig. 1 shows in the state before first time deformation process and has the upsetting coupled with driving element disconnection
Bear down on one the punching press according to the present invention of head.
Fig. 2 shows the punching press after upsetting pressure top and driving element couple in Fig. 1.
Fig. 3 shows the punching press after upsetting pressure top is attached on workpiece in Fig. 2.
Fig. 4 shows the punching press in Fig. 3 after first time deformation process.
Fig. 5 shows the upsetting pressure top after the first time deformation process and disconnects the punching press after coupled in Fig. 4.
Fig. 6 shows the punching press after second of deformation process in Fig. 5, wherein perforating head has passed through workpiece.
Specific embodiment
It is shown into Fig. 6 in the different operating statuses to follow one another in time sequencing according to the present invention in Fig. 1
Punching press.
Punching press includes receiving portion 1, can be inserted into workpiece 2 in receiving portion 1.Receiving portion 1 is shaped to hollow cylinder, phase
For hollow cylinder perpendicularly to the axis orient and have in order to maintenance purpose is replaceable, in the form for casing 1a
Wall.Made in workpiece insertion receiving portion by unshowned executor.In this example, workpiece is formed from steel and in for heat change
The temperature of shape.
Bracket 3 is equipped on the bottom of receiving portion 1, bracket 3 supports workpiece 2 from below.At the end of deformation process or
For maintenance purpose, bracket 3 can be removed.In the state of attachment, bracket is used as the rigidity of receiving portion 1 and immovable bottom
Portion.
Piercer 4 is accommodated in can be by the crossbeam 5 of driving movement.Crossbeam 5 is movably supported on not showing for frame
In guide portion out.Here, the driving element 6 of punching press is formed by crossbeam and the hydraulic cylinder 6 being applied on crossbeam.Pass through liquid
Cylinder pressure moves crossbeam 5 along the extending direction of piercer 4.Here, crossbeam 5 is unique crossbeam of punching press.
Piercer 4 is loaded with replaceable perforating head 7 in face of the end of workpiece 2 at it.
Upsetting pressure top 8 surrounds piercer 4 in the form of a ring, and is movably guided on piercer 4.In upsetting
Bear down on one first 8 lower part position in, upsetting pressure top 8 is kept by the perforating head 7 as stopper section.In this position (such as see
Fig. 1), upsetting pressure top 8 is flushed in face of the upsetting pressure face 8a of workpiece and the acting surface 7a in face of workpiece of perforating head 7.
In addition, the size of outer periphery of upsetting pressure top 8 is set to so that upsetting pressure top 8 in receiving portion 1 movably by
Guidance.Select receiving portion wall and upsetting pressure top 8 between gap so that even if appearance at a temperature of guarantee as far as possible
The accurately motility under guidance.
The upsetting pressure top 8 that can be moved on piercer 4 can be by means of that can unload for the coupling element that couples the form of bar 9
Ground is fixed in the position of lower part (see Fig. 2).Here, in the upside of upsetting pressure top 8 and the crossbeam 5 or driving element of punching press
Between using coupling bar 9.It couples bar 9 and is molded into the form of unilateral open casing and for the purpose portion of better power distribution
Ground is divided to surround piercer.
Here, coupling the cross section that bar has substantially part circular.In other forms of implementation, ellipse also may be present
, polygon or other cross-sectional shapes.Coupling bar can also be made of multiple bar portions, these bar portions are attached at piercer
Periphery different location on.
In the state of attachment, couples bar, piercer and upsetting pressure top and stretch coaxially with each other respectively.
By means of automatic executor not shown here, the merging of bar 9 will be coupled and removed.
In addition, arranging shearing ring 10 on bracket 3 in the end regions of the lower part of receiving portion 1.By means of shearing ring
10, the bottom of perforated workpiece can be penetrated at the end of deformation process.
Here, the present invention works as follows:
Firstly, by for example, form of rod iron blank, in the workpiece that is heated to deformation temperature insertion receiving portion 1.In root
According in the diagram of Fig. 1, upsetting pressure top 8 is not coupled with driving element 5,6 first, is exactly coupled bar 9 and is not involved in.
Then, bar 9 will be coupled to be attached on piercer 4, thus in crossbeam 5 and the upsetting pressure top on lower stopper section
The support of power transmission connection mode is established between 8 (see Fig. 2).
Then, it will be moved into receiving portion 1 together from piercer 4 and perforating head 7 and upsetting pressure top 8, until upsetting pressure face
8a and acting surface 7a are sticked on workpiece 2 (see Fig. 3).
Now, apply upset force by means of hydraulic cylinder 6, so that pre- upsetting pressure workpiece 2 is (see figure during deforming first time
4).In pre- upsetting pressure, exactly for the first time deform after, transversely fill receiving portion at least such degree of workpiece 2 so that
No longer there is free movement clearance in transverse direction.
Then, it removes and couples bar 9 and couple upsetting pressure top 8 with the disconnection of driving element 5,6, to realize second
The perforation of deformation, exactly actual workpiece 2.
Now, according to Fig. 6, continue to promote the piercer 4 with perforating head 7, so that mistake of the perforating head 7 in extruding
The perforation of workpiece 2 is carried out in journey.Here, the upper seamed edge of workpiece rises in receiving portion 1 (to be risen corresponding to the material being extruded
Perforation).Here, the upsetting pressure top 8 that can freely move on piercer 4 is pressed to by the edge of work.Here, upsetting pressure top
Head is consecutively carried out the guiding function for piercer 4, to optimally avoid the lateral movement of perforating head 7.Especially
It is that period realizes the transverse guidance of piercer and perforating head on the wall for being located at receiving portion 1, wherein upsetting pressure top 8
Intermediary element as exterior guiding and internal guidance between piercer 4 and the wall of receiving portion 1.
Finally, perforating head is pressed through into shearing ring 10, wherein if it is necessary, being moved back to bracket.This allows to take out workpiece 2
Remaining bottom, to realize complete perforation perforation.
Reference signs list
1 receiving portion
1a replaceable inner sleeve
2 workpiece
3 brackets
4 piercers
5 crossbeams
6 hydraulic cylinders
7 perforating heads
The acting surface of 7a perforating head
8 upsetting pressures top
The upsetting pressure face of 8a upsetting pressure top
9 coupling elements couple bar
10 shearing rings
Claims (10)
1. a kind of punching press, including
For accommodating the receiving portion (1) for being especially molded into hollow cylinder of workpiece (2),
Upsetting pressure comes directly towards (8),
Wherein, in order to which the first time of the workpiece (2) deforms, upsetting pressure, which comes directly towards (8), to be pressed against workpiece (2) using upset force, with
And
The perforating head (7) being arranged on piercer (4),
Wherein, for second of deformation of the workpiece (2), the perforating head (7) can be pressed into the work using piercing force
In part (2),
It is characterized in that,
Not only apply the upset force of the upsetting pressure top (8) by means of common driving element (5,6) but also applies the perforation
Come directly towards the piercing force of (7).
2. punching press according to claim 1, which is characterized in that can be established by demountable coupling element (9)
Power transmission between upsetting pressure top (8) and the driving element (5,6) is cooperatively connected.
3. punching press according to claim 2, which is characterized in that coupling element includes that at least one couples bar (9), institute
State couple bar can be attached at crossbeam (5) and the upsetting pressure top (8) between.
4. punching press according to any one of the preceding claims, which is characterized in that the punching press only has in total
There is a crossbeam.
5. punching press according to any one of the preceding claims, which is characterized in that the upsetting pressure top (8) is in institute
Moveable mode on piercer (4) is stated to be guided.
6. punching press according to claim 5, which is characterized in that the upsetting pressure top (8) has pushes up with the perforation
The upsetting pressure face (8a) that head (7) flushes, wherein the work is pressed by the upsetting pressure face (8a) and the perforating head (7) jointly
Part (2) realizes the first time deformation.
7. punching press according to claim 5 or 6, which is characterized in that the upsetting pressure top (8) is in described accommodation section
(1) moveable mode is guided in.
8. punching press according to any one of claims 5 to 7, which is characterized in that the upsetting pressure top (8) is described
It without active force is sticked on the workpiece (2) during second of deformation, and by the deformation of the workpiece (2) in the appearance
Receive movement in portion (1).
9. the punching press according to any one of claim 5 to 8, which is characterized in that existed by upsetting pressure top (8)
The piercer (4) is guided relative to described accommodation section (1) during second of deformation.
10. punching press according to any one of the preceding claims, which is characterized in that the cloth at described accommodation section (1)
Set shearing ring (10), wherein the bottom of perforated workpiece (2) is separated by means of the shearing ring (10).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016211597.9A DE102016211597A1 (en) | 2016-06-28 | 2016-06-28 | punch press |
| DE102016211597.9 | 2016-06-28 | ||
| PCT/EP2017/065870 WO2018002060A1 (en) | 2016-06-28 | 2017-06-27 | Perforating press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109414752A true CN109414752A (en) | 2019-03-01 |
| CN109414752B CN109414752B (en) | 2020-06-12 |
Family
ID=59295173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780039925.9A Active CN109414752B (en) | 2016-06-28 | 2017-06-27 | Punching press |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3475010B1 (en) |
| CN (1) | CN109414752B (en) |
| DE (1) | DE102016211597A1 (en) |
| WO (1) | WO2018002060A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2765528A (en) * | 1951-08-22 | 1956-10-09 | Comptoir Ind Etirage | Method of perforating a heated billet and disc |
| US2812673A (en) * | 1953-08-14 | 1957-11-12 | Babcock & Wilcox Co | Mandrel guiding arrangement for billet piercing apparatus |
| JPS5662638A (en) * | 1979-10-23 | 1981-05-28 | Kobe Steel Ltd | Piercing method |
| CN101690965A (en) * | 2009-10-10 | 2010-04-07 | 济南中森机械制造有限公司 | Hot extrusion forming process of half-shaft casings and special device |
| CN105458139A (en) * | 2014-09-26 | 2016-04-06 | Sms米尔股份有限公司 | Multi-axis forging machine and method for operating multi-axis forging machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3345853A (en) * | 1965-03-23 | 1967-10-10 | Babcock & Wilcox Co | Work feeding method and apparatus for piercing press |
| GB2089701A (en) * | 1980-12-18 | 1982-06-30 | Fielding Plant Design Ltd | Billet piercing or expanding presses |
-
2016
- 2016-06-28 DE DE102016211597.9A patent/DE102016211597A1/en not_active Withdrawn
-
2017
- 2017-06-27 EP EP17736591.3A patent/EP3475010B1/en active Active
- 2017-06-27 WO PCT/EP2017/065870 patent/WO2018002060A1/en unknown
- 2017-06-27 CN CN201780039925.9A patent/CN109414752B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2765528A (en) * | 1951-08-22 | 1956-10-09 | Comptoir Ind Etirage | Method of perforating a heated billet and disc |
| US2812673A (en) * | 1953-08-14 | 1957-11-12 | Babcock & Wilcox Co | Mandrel guiding arrangement for billet piercing apparatus |
| JPS5662638A (en) * | 1979-10-23 | 1981-05-28 | Kobe Steel Ltd | Piercing method |
| CN101690965A (en) * | 2009-10-10 | 2010-04-07 | 济南中森机械制造有限公司 | Hot extrusion forming process of half-shaft casings and special device |
| CN105458139A (en) * | 2014-09-26 | 2016-04-06 | Sms米尔股份有限公司 | Multi-axis forging machine and method for operating multi-axis forging machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3475010B1 (en) | 2020-11-25 |
| EP3475010A1 (en) | 2019-05-01 |
| WO2018002060A1 (en) | 2018-01-04 |
| DE102016211597A1 (en) | 2017-12-28 |
| CN109414752B (en) | 2020-06-12 |
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| GR01 | Patent grant |