CN107597936A - A kind of oscillatory type auto parts decompressor and the method that punching press is carried out using the device - Google Patents
A kind of oscillatory type auto parts decompressor and the method that punching press is carried out using the device Download PDFInfo
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- CN107597936A CN107597936A CN201710970564.1A CN201710970564A CN107597936A CN 107597936 A CN107597936 A CN 107597936A CN 201710970564 A CN201710970564 A CN 201710970564A CN 107597936 A CN107597936 A CN 107597936A
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- mold
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- upper table
- auto parts
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Abstract
A kind of method that punching press is carried out the invention discloses oscillatory type auto parts decompressor and using the device, the oscillatory type auto parts decompressor, including the upper table and lower table being vertically oppositely arranged, the lower surface of upper table is provided with mold, the upper surface of lower table is provided with the lower mould corresponding with mold, upper table is provided with the vertically moving upper hydraulic jack of driving upper table, lower table is provided with the vertically moving lower hydraulic jack of driving lower table, the downward movement track of upper table is provided with damper, lower hydraulic jack is connected by electromagnetic relief valve with hydraulic power source.Present invention, avoiding because of vibration and to the abrasion of die face, chamfering, the forming quality of seamed edge are further improved, reaches the sufficient effect of shaping, lifts element precision；Noise caused by avoiding mechanical oscillation and mold impingement abrasion；The defects of avoiding wrinkling in punching course；The rebound phenomenon avoided in transfer process occurs.
Description
Technical field
The present invention relates to the stamp forming technology field of metal, in particular, provides a kind of oscillatory type auto parts punching press dress
The method put and punching press is carried out using the device.
Background technology
Stamp forming technology is one of crucial Forming Technique of auto parts and components, especially for meeting automotive light weight technology
With the technical need of security, high-strength steel and aluminium alloy punching parts are widely used, but with the intensity of automobile steel
Performance is constantly lifted, existing pressing equipment easily occur forming accuracy not enough or rebound phenomenon, particularly with complicated punching press zero
For part, nearby often there is punching press phenomenon not in place in chamfering, seamed edge.In terms of suppressing resilience, invention patent publication number：
CN106345882A《A kind of super-high strength steel laser tailor welded and forming technology》Described technology, is drawn into for aircraft skin
Shape technique, by the way that vibrator, cushion are combined with stretcher, during stretch forming, realize extensional motion and exciting
Device Vibration Synchronization works, until stretching terminates.And for stamping part, if it is stamping initially if shake
Dynamic, there is loose phenomenon in just punching press because of not yet complete touch in plate, so as to cause the generation of plate wrinkling.
Therefore, stamping adjoint vibrator work is difficult to solve to improve high-strength steel or aluminium alloy forming accuracy or resilience defect.
Currently, occurred by vibration aging on eliminating inside workpiece residual stress, so as to eliminate vapour after Plastic Forming
The rebound phenomenon of car steel or aluminium, but this apparatus and method are that the simple part by after processing goes to shake table from mould
Upper carry out vibration stress relief treatment, although a part of residual stress can be eliminated, during being transferred to and being fixed on shake table,
There is part rebound phenomenon, so as to reduce vibrating effect.
The content of the invention
The present invention proposes a kind of oscillatory type auto parts decompressor and uses the dress for overcome the deficiencies in the prior art
The method for carrying out punching press is put, by controlling the oil pressure of hydraulic jack, is realized before punching press terminates, mold and lower mould are simultaneously
The mode that oscillatory type moves down, mold and lower mould is fully cooperated when descending, and mold and under
The vibration of mould discharges the internal stress of plate to be punched, so as to reach the purpose for eliminating resilience.
The present invention in order to achieve the above object, takes following means：
A kind of oscillatory type auto parts decompressor, including the upper table being vertically oppositely arranged and lower work
Platform, the lower surface of the upper table are provided with mold, and the upper surface of the lower table is provided with corresponding with the mold
Lower mould, the upper table is provided with the upper hydraulic jack for driving the upper table vertically moving, under described
Workbench is provided with the lower hydraulic jack for driving the lower table vertically moving, the downward movement of the upper table
Track is provided with damper, and the lower hydraulic jack is connected by electromagnetic relief valve with hydraulic power source；
Under working condition, the upper table it is descending with the dampers contact when, the mold and the lower mould
Non- matched moulds, the gap between the mold and the lower mould are less than the thickness of plate to be punched.
The output end of the upper hydraulic jack is located at the upper surface of the upper table；The output end of the lower hydraulic jack
Positioned at the lower surface of the lower table.
The upper hydraulic jack and the lower hydraulic jack drive the upper table and the lower table to move respectively,
So that the mold and the lower mould complete matched moulds and divide the complete punching course of mould
The invention also discloses a kind of method that punching press is carried out using oscillatory type auto parts decompressor described above,
With following steps：
The lower table is placed in the top dead centre of the lower table, and remained stationary as by S1, the lower hydraulic jack；
S2, plate to be punched are placed between the mold and the lower mould, and the upper hydraulic jack is driven on described
Workbench drives the mold to move downward, and starts punching course；
When S3, the mold are gone downwards to before the lower mould matched moulds, the oil pressure of the lower hydraulic jack is controlled to be less than
The oil pressure peak value of the upper hydraulic jack, during so as to ensure the upper table and the dampers contact, the mold and
The lower mould does not have complete matched moulds；
S4, the upper table are continued traveling downwardly with (in the punching press interstage, not rushed completely simply during the dampers contact
It is pressed onto bottom), the damper is started working, the electromagnetic relief valve periodicity open and close, lower hydraulic oil described in control release
The The hydraulic oil of cylinder；
In a cycle of the electromagnetic relief valve open and close, the oil pressure continuous schedule of the upper hydraulic jack is kept to increase
It is long that until the pressure that plate to be punched is subject to when the electromagnetic relief valve is closed in the cycle reaches setting pressure, (setting pressure is with treating
Punching press plate intensity, thickness, size are relevant) when stop increasing, pressurize a bit of time (dwell time and plate to be punched
Intensity, thickness, size are relevant) after, next cycle is carried out, until the lower table reaches the lower of the lower table and stopped
Point, the mold and the complete matched moulds of lower mould, punching press, pressure maintaining period terminate and backhaul.
Due to the effect of the damper, the movement velocity of the mold can lag the lower mould in a cycle
Movement velocity, the electromagnetic relief valve open and close in a cycle, the lower mould can move down and stop a period of time, and institute
Mold is stated because the oil pressure continuous schedule of the upper hydraulic jack increases and can persistently moved down, can cause to put on plate to be punched
Pressure first reduce (have the function that regulation to be punched plate residual stress) constantly increase afterwards, and protected when reaching setting pressure
After pressing a bit of time, carry out next cycle, the mold and the lower mould repeat above-mentioned punching press folding process, i.e., described
Mold and the lower mould collaboration oscillatory type move down, and in each cycle, the mold and the lower die clearance constantly subtract
It is small, until the lower table reaches the lower dead center of the lower table, the mold and the complete matched moulds of lower mould, punching
Pressure, pressure maintaining period terminate and backhaul.
Compared with prior art, the present invention has advantages below：
1. the present invention, by controlling the oil pressure of hydraulic jack, realizes that mold and the collaboration of lower mould are shaken before punching press terminates
It is dynamic, and mold and lower mould not matched moulds, avoid because of vibration and to the abrasion of die face, meanwhile, further improve down
Angle, the forming quality of seamed edge, reach the sufficient effect of shaping, lift element precision；
2. using electromagnetic relief valve periodic control release oil mass, oil mass release is stable, uniform, and the flat of mould can be achieved
Sliding, stable vibration, noise caused by avoiding mechanical oscillation and mold impingement abrasion；
3. being vibrated before matched moulds, now, the shape of punching press basically forms, compared with punching press starts vibration initial stage,
Method proposed by the present invention plate to be punched more easy to control avoids punching press because being loosened caused by vibration, positioning phenomena such as inaccurate
The defects of being wrinkled in journey；
4. compared with being stripped vibration after punching press, the rebound phenomenon avoided in transfer process occurs；
5. it can determine that respective amplitudes are (each according to different materials, different part shapes and different technological parameters
Cycle, lower mould dropping distance) and vibration frequency (inverse of each cycle time), it is upper and what is realized by controlling hydraulic jack
Mould and the collaboration vibration of lower mould move down, and simple to operate, additional device is few, cost-effective.
The present invention can be widely popularized in fields such as the stamp forming technologies of metal for the foregoing reasons.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to do simply to introduce, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of oscillatory type auto parts decompressor in embodiment of the invention.
Fig. 2 is the lower movement locus of mould and connecing for plate to be punched in vibration processes in embodiment of the invention
Touch pressure changing trend diagram.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment 1
As shown in figure 1, a kind of oscillatory type auto parts decompressor, including the upper table being vertically oppositely arranged
1 and lower table 2, the lower surface of the upper table 1 is provided with mold 3, the upper surface of the lower table 2 be provided with it is described
The corresponding lower mould 4 of mold 3, the upper table 1 are provided with drive the upper table 1 vertically moving upper
Hydraulic jack 5, the lower table 2 are provided with the lower hydraulic jack 6 for driving the lower table 2 vertically moving, institute
The downward movement track for stating upper table 1 is provided with damper 7, and the lower hydraulic jack 6 passes through electromagnetic relief valve 8 and hydraulic power source
9 connections；
Between the lower hydraulic jack 6 and the electromagnetic relief valve 8 and the electromagnetic relief valve 8 and the hydraulic power source 9 it
Between connected by hydraulic oil pipe 10；
Under working condition, the upper table 1 is descending when being contacted with the damper 7, the mold 3 and the lower mould
Have 4 non-matched moulds, the gap between the mold 3 and the lower mould 4 is less than the thickness of plate 11 to be punched.
The output end of the upper hydraulic jack 5 is located at the upper surface of the upper table 1；The lower hydraulic jack 6 it is defeated
Go out end positioned at the lower surface of the lower table 2.
Embodiment 2
A kind of method that oscillatory type auto parts decompressor using described in embodiment 1 carries out punching press, the present embodiment choosing
It is plate 11 to be punched, tensile strength 780MPa or so to take DP780 steel plates, thickness 1.0mm, by taking vehicle side as an example, is had
Following steps：
The lower table 2 is placed in the top dead centre a of the lower table 2 by S1, the lower hydraulic jack 6, and keeps not
It is dynamic；
S2, plate to be punched 11 are placed between the mold 3 and the lower mould 4, and the upper hydraulic jack 5 drives institute
Stating upper table 1 drives the mold 3 to move downward, and starts punching course；
When S3, the mold 3 are gone downwards to before the lower matched moulds of mould 4, the low oil pressure of the lower hydraulic jack 6 is controlled
In the oil pressure peak value of the upper hydraulic jack 5, during so as to ensure that the upper table 1 contacts with the damper 7, the upper mould
Tool 3 and the lower mould 4 are without complete matched moulds；
S4, the upper table 1 are continued traveling downwardly when being contacted with the damper 7, and the damper 7 is started working, described
The periodicity open and close of electromagnetic relief valve 8, the The hydraulic oil of lower hydraulic jack 6 described in control release；
In a cycle of the open and close of electromagnetic relief valve 8, the oil pressure continuous schedule of the upper hydraulic jack 5 is kept
Increase until the pressure that plate 11 to be punched is subject to when the electromagnetic relief valve 8 is closed in the cycle stops increasing when reaching setting pressure
It is long, after the pressurize a bit of time, carry out next cycle, the mold 3 and the lower mould 4 collaboration oscillatory type move down, amplitude
For 0.2~0.5mm, vibration frequency 5HZ-10HZ；Until the lower table 2 reaches the lower dead center b of the lower table 2,
4 complete matched moulds of the mold 3 and the lower mould, punching press, pressure maintaining period terminate and backhaul.
As shown in Fig. 2 in the mold 3 and the lower mould 4 vibration folding process, under the lower discontinuous of mould 4
Move, stop, so as to reach vibrating effect；Meanwhile in vibration processes, contact that plate 11 to be punched is subject to be in decline-
The variation tendency of rising-pressurize, realization are treated the chamfering of punching press plate 11, the valid shaping of seamed edge, further improved to be punched
The forming accuracy and forming property of plate 11.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (3)
1. a kind of oscillatory type auto parts decompressor, it is characterised in that including the upper table being vertically oppositely arranged
And lower table, the lower surface of the upper table are provided with mold, the upper surface of the lower table is provided with and the upper mould
Has corresponding lower mould, the upper table is provided with the upper hydraulic oil for driving the upper table vertically moving
Cylinder, the lower table are provided with the lower hydraulic jack for driving the lower table vertically moving, the upper table
Downward movement track be provided with damper, the lower hydraulic jack is connected by electromagnetic relief valve with hydraulic power source；
Under working condition, the upper table it is descending with the dampers contact when, the mold and the lower mould do not close
Mould, the gap between the mold and the lower mould are less than the thickness of plate to be punched.
2. oscillatory type auto parts decompressor according to claim 1, it is characterised in that the upper hydraulic jack it is defeated
Go out end positioned at the upper surface of the upper table；The output end of the lower hydraulic jack is located at the lower surface of the lower table.
3. the method that the oscillatory type auto parts decompressor described in a kind of usage right requirement 1 carries out punching press, it is characterised in that
With following steps：
The lower table is placed in the top dead centre of the lower table, and remained stationary as by S1, the lower hydraulic jack；
S2, plate to be punched are placed between the mold and the lower mould, and the upper hydraulic jack drives the upper work
Platform drives the mold to move downward, and starts punching course；
When S3, the mold are gone downwards to before the lower mould matched moulds, the oil pressure of the lower hydraulic jack is controlled less than described
The oil pressure peak value of upper hydraulic jack, during so as to ensure the upper table and the dampers contact, the mold and described
Lower mould does not have complete matched moulds；
When S4, the upper table are continued traveling downwardly with the dampers contact, the damper is started working, the electromagnetism overflow
Valve periodicity open and close, the The hydraulic oil of lower hydraulic jack described in control release；
In a cycle of the electromagnetic relief valve open and close, the oil pressure continuous schedule of the upper hydraulic jack is kept to increase directly
The pressure that plate to be punched is subject to when the electromagnetic relief valve is closed in the cycle stops increasing when reaching setting pressure, pressurize one
After short time, carry out next cycle, until the lower table reaches the lower dead center of the lower table, the mold and
The complete matched moulds of lower mould, punching press, pressure maintaining period terminate and backhaul.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970564.1A CN107597936B (en) | 2017-10-18 | 2017-10-18 | Oscillatory type auto parts stamping device and the method for carrying out punching press using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970564.1A CN107597936B (en) | 2017-10-18 | 2017-10-18 | Oscillatory type auto parts stamping device and the method for carrying out punching press using the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107597936A true CN107597936A (en) | 2018-01-19 |
| CN107597936B CN107597936B (en) | 2019-06-25 |
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ID=61077523
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710970564.1A Expired - Fee Related CN107597936B (en) | 2017-10-18 | 2017-10-18 | Oscillatory type auto parts stamping device and the method for carrying out punching press using the device |
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| Country | Link |
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| CN (1) | CN107597936B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815404A (en) * | 2023-01-10 | 2023-03-21 | 江苏兴锻智能装备科技有限公司 | Multi-station continuous stamping device with positioning function |
| CN117225963A (en) * | 2023-11-13 | 2023-12-15 | 苏州利来汽车配件有限公司 | Stamping equipment for machining automobile metal parts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397908A (en) * | 2011-11-29 | 2012-04-04 | 浙江工业大学 | High-frequency flutter cold extruding die |
| CN104874627A (en) * | 2015-05-04 | 2015-09-02 | 浙江工业大学 | Two-dimensional high-frequency fluttering method for cold extrusion and mold thereof |
| CN105195542A (en) * | 2015-09-23 | 2015-12-30 | 浙江工业大学义乌科学技术研究院有限公司 | Torsional vibration combined cold extrusion die |
| CN106345882A (en) * | 2016-11-22 | 2017-01-25 | 合肥工业大学 | Vibration-assisted aircraft skin stretch forming and resilience inhibition device and technique |
-
2017
- 2017-10-18 CN CN201710970564.1A patent/CN107597936B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397908A (en) * | 2011-11-29 | 2012-04-04 | 浙江工业大学 | High-frequency flutter cold extruding die |
| CN104874627A (en) * | 2015-05-04 | 2015-09-02 | 浙江工业大学 | Two-dimensional high-frequency fluttering method for cold extrusion and mold thereof |
| CN105195542A (en) * | 2015-09-23 | 2015-12-30 | 浙江工业大学义乌科学技术研究院有限公司 | Torsional vibration combined cold extrusion die |
| CN106345882A (en) * | 2016-11-22 | 2017-01-25 | 合肥工业大学 | Vibration-assisted aircraft skin stretch forming and resilience inhibition device and technique |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815404A (en) * | 2023-01-10 | 2023-03-21 | 江苏兴锻智能装备科技有限公司 | Multi-station continuous stamping device with positioning function |
| CN115815404B (en) * | 2023-01-10 | 2023-05-23 | 江苏兴锻智能装备科技有限公司 | Multi-station continuous stamping device with positioning function |
| CN117225963A (en) * | 2023-11-13 | 2023-12-15 | 苏州利来汽车配件有限公司 | Stamping equipment for machining automobile metal parts |
| CN117225963B (en) * | 2023-11-13 | 2024-02-20 | 苏州利来汽车配件有限公司 | Stamping equipment for machining automobile metal parts |
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| Publication number | Publication date |
|---|---|
| CN107597936B (en) | 2019-06-25 |
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