CN110421045A - A kind of sheet stamping device and process for stamping - Google Patents
A kind of sheet stamping device and process for stamping Download PDFInfo
- Publication number
- CN110421045A CN110421045A CN201910656790.1A CN201910656790A CN110421045A CN 110421045 A CN110421045 A CN 110421045A CN 201910656790 A CN201910656790 A CN 201910656790A CN 110421045 A CN110421045 A CN 110421045A
- Authority
- CN
- China
- Prior art keywords
- punching press
- die
- sheet stamping
- hydraulic cylinder
- sheet
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title description 9
- 238000004080 punching Methods 0.000 claims abstract description 58
- 238000010926 purge Methods 0.000 claims abstract description 32
- 239000007921 spray Substances 0.000 claims abstract description 24
- 238000004458 analytical method Methods 0.000 claims description 5
- 229910004682 ON-OFF Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 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
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
Abstract
It include: punching press ontology, pedestal, hydraulic cylinder, upper die and lower die, purging spray head, high temperature gas source and controller the present invention relates to a kind of sheet stamping device.Punching press ontology is fixed on the base;Upper mold and lower die are arranged in punching press ontology, and lower die is fixed on the base end, and upper mold is connect by hydraulic cylinder with punching press ontology.Lower die upper end is provided with stamped recess, and upper mold lower end is provided with the stamped bumps matched with stamped recess;Purging spray head is fixed on the inside of punching press ontology, and purging spray head is connect with high temperature gas source, purges the high temperature air jet in spray head on the thin plate between upper die and lower die;The switch and hydraulic cylinder of controller and high temperature gas source are electrically connected.The present invention also provides a kind of sheet stamping methods, comprising: control hydraulic cylinder executes punching press movement;Thin sheet surface is purged;Pressure maintaining is carried out to the thin plate after punching press.Sheet stamping device provided by the invention and method improve the Forming Quality of thin plate.
Description
Technical field
The present invention relates to technical field of board processing, in particular to a kind of sheet stamping device and process for stamping.
Background technique
In production and living, many products need to be stamped to form using sheet metal (sheet metal that thickness is less than 2mm).Thin plate
In Punching Process, need plate stamping using the upper die and lower die of stamping equipment at specific shape, then by punching press
Plate afterwards takes out.In the prior art, in the Sheet Metal Forming Technology of thin plate, it is immediately disconnected upper mold and lower die after the completion of sheet stamping,
Since thin plate can generate the adaptability to changes of all directions during Pressing Deformation, in addition gauge of sheet is small, in the work of adaptability to changes
Certain deformation can be generated with lower, has seriously affected the quality of product.In addition, after the completion of sheet stamping, the product that is stamped and formed out
It is fitted tightly over and is difficult to take out in mold, directly pull out product in traditional handicraft, be easy to cause the deformation of product, to influence
Product quality.
Summary of the invention
The technical issues of present invention is for deformation is easy to produce after the completion of sheet stamping existing in the prior art, provides
A kind of sheet stamping device and process for stamping.
The technical scheme to solve the above technical problems is that
A kind of sheet stamping device, comprising: punching press ontology, pedestal, hydraulic cylinder, upper die and lower die, purging spray head, High Temperature Gas
Source and controller;Wherein: the punching press ontology is fixed on the base;The upper mold and lower die are arranged in the punching press ontology
Interior, the lower die is fixed on the pedestal upper end, and the upper mold is oppositely arranged on the top of the lower die, and the upper mold passes through institute
Hydraulic cylinder is stated to connect with the punching press ontology;The lower die upper end is provided with stamped recess, and the upper mold lower end is provided with and institute
State the stamped bumps that stamped recess matches;The purging spray head is fixed on the inside of the punching press ontology, the purging spray head and
The high temperature gas source connection, the high temperature air jet purged in spray head is on the thin plate between upper die and lower die;The control
The switch of device processed and the high temperature gas source is electrically connected, for controlling the on-off of the high temperature gas source;The controller with it is described
Hydraulic cylinder is electrically connected, for controlling the movement of the hydraulic cylinder.
It further, is horizontally disposed first level face on the outside of the upper end of the lower die, the punching groove is located at institute
It states on the inside of first level face;The preceding outside of the upper mold is horizontally disposed second horizontal plane, and the stamped bumps are located at described
On the inside of second horizontal plane.
Further, further includes: slip ring, driving motor and stop collar;The slip ring sleeve is set to the outside of the lower die, institute
The bottom for stating slip ring is embedded at least two symmetrically arranged driving motors, and the driving motor is for driving the slip ring
It moves up and down;The stop collar is sheathed on the outside of the slip ring, and the stop collar is fixed on the base.
Further, the first guide rail of genesis analysis, the inside setting of the stop collar are provided on the outside of the slip ring
There is the first sliding groove matched with first guide rail, first guide rail is arranged in the first sliding groove;The slip ring
Inside is provided with the second guide rail of genesis analysis, and it is sliding that second matched with second guide rail is provided on the outside of the lower die
Slot, second guide rail are arranged in the second sliding slot.
Further, the controller includes:
First control unit executes punching press movement for controlling the hydraulic cylinder, issues punching press after the completion of punching press movement
Instruction is completed in movement;
Second control unit completes instruction for obtaining the punching press movement from the first control unit;Obtain punching press
Movement controls the high temperature gas source unlatching after completing instruction, purges to the thin plate, issues and purged after the completion of purging
At instruction;
Third control unit completes instruction for obtaining purging from second control unit, is obtaining described purged
After instruction, controls the hydraulic cylinder movement and carry out pressure maintaining.
The present invention also provides a kind of sheet stamping method, the method is realized based on sheet stamping device, the method
Include the following steps:
2) thin plate is placed in sheet stamping device, control hydraulic cylinder executes punching press movement, by sheet stamping at target
Shape;2) after the completion of sheet stamping, control high temperature gas source is opened, and is purged to thin sheet surface;3) after the completion of purging, liquid is controlled
Cylinder pressure movement carries out pressure maintaining to the thin plate after punching press.
Further, the temperature control purged to thin sheet surface is 300-330 degrees Celsius, and purge time control is 5-
7 minutes.
Further, the pressure control for carrying out pressure maintaining to the sheet part after punching press is 5MPa, and dwell time control is 10
Minute.
Further, further includes: after the completion of thin plate pressure maintaining, gradually release stress, and the pressure discharged per minute does not surpass
Cross 0.5MPa.
Sheet stamping device and process for stamping provided by the invention at least have following beneficial effect or advantage:
Sheet stamping device provided by the invention and method, thin plate are arranged between upper die and lower die, are driven by hydraulic cylinder
Dynamic upper mold moves downward, thus by sheet stamping at required product.Purging spray head is fixed on the inside of punching press ontology, purges spray head
It is connect with high temperature gas source.After the completion of sheet stamping, thin plate of the high temperature air jet in spray head between upper die and lower die is purged
On, by spraying high-temperature gas in thin sheet surface, the various stress generated inside thin plate can be effectively reduced, after the completion of preventing punching press
Deformation occurs for product.Subsequent Driven by Hydraulic Cylinder upper mold and lower die press, and carry out pressure maintaining to product, can further to thin plate plastotype,
Improve the Forming Quality of thin plate.
Detailed description of the invention
Fig. 1 is sheet stamping device structural schematic diagram provided in an embodiment of the present invention;
Fig. 2 is sheet stamping method flow diagram provided in an embodiment of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1- punching press ontology, 2- hydraulic cylinder, 3- purge spray head, 4- upper mold, 5- stop collar, 6- slip ring, 7- driving motor, under 8-
Mould, 9- pedestal.
Specific embodiment
The technical issues of present invention is for deformation is easy to produce after the completion of sheet stamping existing in the prior art, provides
A kind of sheet stamping device and process for stamping.
Embodiment one
Referring to Fig. 1, the embodiment of the invention provides a kind of sheet stamping devices, comprising: punching press ontology 1, pedestal 9, hydraulic
Cylinder 2, upper mold 4, lower die 8, purging spray head 3, high temperature gas source, controller, slip ring 6, driving motor 7 and stop collar 5.
Wherein: punching press ontology 1 uses rectangle steel platform, and punching press ontology 1 is fixed on pedestal 9, upper mold 4 and lower die 8
It is arranged in punching press ontology 1, lower die 8 is fixed on 9 upper end of pedestal, and upper mold 4 is oppositely arranged on the top of lower die 8, and upper mold 4 passes through liquid
Cylinder pressure 2 is connect with punching press ontology 1.8 upper end of lower die is provided with stamped recess, and the shape of stamped recess is specific according to the shape of product
Setting, 4 lower end of upper mold is provided with the stamped bumps matched with stamped recess.It is horizontally disposed the on the outside of the upper end of lower die 8
One horizontal plane, punching groove are located on the inside of first level face;The preceding outside of upper mold 4 is horizontally disposed second horizontal plane, punching press
Protrusion is located on the inside of the second horizontal plane.
Slip ring 6 is sheathed on the outside of lower die 8, and the bottom of slip ring 6 is embedded at least two symmetrically arranged driving motors 7
(there are four driving motors 7 for the present embodiment setting), driving motor 7 is for driving slip ring 6 to move up and down.Stop collar 5 is sheathed on cunning
The outside of ring 6, and stop collar 5 is fixed on pedestal 9, stop collar 5 is for preventing 6 sidesway of slip ring.The outside of slip ring 6 is provided with vertical
To the first guide rail of distribution, the inside of stop collar 5 is provided with the first sliding groove matched with the first guide rail, and the setting of the first guide rail exists
In first sliding groove;The inside of slip ring 6 is provided with the second guide rail of genesis analysis, and the outside of lower die 8 is provided with and the second guide rail phase
The second sliding slot of cooperation, the second guide rail are arranged in second sliding slot;Slip ring 6 is moved downward along the first track and the second track.
There are four equally distributed purging spray head 3, purging spray head 3 is fixed on 1 inside of punching press ontology for the present embodiment setting, blows
It sweeps spray head 3 to connect with high temperature gas source, purges the high temperature air jet in spray head 3 on the thin plate between upper mold 4 and lower die 8.
The switch of controller and high temperature gas source is electrically connected, for controlling the on-off of high temperature gas source;Controller and hydraulic cylinder 2
It is electrically connected, for controlling the movement of hydraulic cylinder 2.Wherein, controller includes: first control unit, the second control unit and
Three control units.Wherein, first control unit executes punching press movement for controlling hydraulic cylinder 2, issues after the completion of punching press movement
Instruction is completed in punching press movement.Second control unit, which is used to obtain punching press movement from first control unit, completes instruction;Obtain punching press
Control high temperature gas source is opened after instruction is completed in movement, is purged to the thin plate, and purging is issued after the completion of purging and completes to refer to
It enables.Third control unit, for completing instruction from the second control unit acquisition purging, after obtaining purging and completing instruction, control
The movement of hydraulic cylinder 2 carries out pressure maintaining.
Embodiment two
Referring to Fig. 1 and Fig. 2, the embodiment of the invention also provides a kind of sheet stamping method, this method is based on sheet stamping
Device realizes that this method comprises the following steps:
Step S10, thin plate is placed in sheet stamping device, control hydraulic cylinder 2 executes punching press movement, by sheet stamping
At target shape.
Step S20, after the completion of sheet stamping, control high temperature gas source is opened, and is purged to thin sheet surface.Wherein, to thin
The temperature control that plate surface is purged is 300-330 degrees Celsius, and purge time control is 5-7 minutes.Using high-temperature gas pair
Thin sheet surface is purged, and can reduce the various stress generated after sheet stamping is formed, to prevent thin plate from generating deformation.
Step S30, after the completion of purging, the control movement of hydraulic cylinder 2 carries out pressure maintaining to the thin plate after punching press.
Specifically, the pressure control for carrying out pressure maintaining to the sheet part after punching press is 5MPa, dwell time control is 10 points
Clock;Subsequent hydraulic cylinder 2 drives upper mold 4 and lower die 8 to press, and carries out pressure maintaining to product, can improve thin further to thin plate plastotype
The Forming Quality of plate.The pressure for after the completion of thin plate pressure maintaining, gradually releasing stress, and discharging per minute is no more than 0.5MPa;This
Embodiment passes through the rate of release it is experimentally confirmed that control pressure, and capable of effectivelying prevent thin plate, deformation occurs.Pressure release is completed
Afterwards, it controls driving motor 7 by controller to run, driving motor 7 converts rotational motion into straight line by gear and rack teeth mechanism
Movement, driving motor 7 drive slip ring 6 to move upwards, and the upper end of slip ring 6 jacks up sheet member, separates thin plate with lower die 8, just
It is removed in by thin plate.
Sheet stamping device and process for stamping provided in an embodiment of the present invention at least have following beneficial effect or advantage:
Sheet stamping device provided in an embodiment of the present invention and method, thin plate are arranged between upper die and lower die, pass through liquid
Cylinder pressure driving upper mold moves downward, thus by sheet stamping at required product.Purging spray head is fixed on the inside of punching press ontology, is blown
Spray head is swept to connect with high temperature gas source.After the completion of sheet stamping, the high temperature air jet in spray head is purged between upper die and lower die
Thin plate on, by spraying high-temperature gas in thin sheet surface, the various stress generated inside thin plate can be effectively reduced, prevent punching press
Deformation occurs for product after the completion.Subsequent Driven by Hydraulic Cylinder upper mold and lower die press, and carry out pressure maintaining to product, can be further to thin plate
Plastotype improves the Forming Quality of thin plate.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
The embodiment of the present invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of sheet stamping device characterized by comprising punching press ontology, pedestal, hydraulic cylinder, upper die and lower die, purging spray
Head, high temperature gas source and controller;Wherein: the punching press ontology is fixed on the base;The upper mold and lower die are arranged in institute
It states in punching press ontology, the lower die is fixed on the pedestal upper end, and the upper mold is oppositely arranged on the top of the lower die, described
Upper mold is connect by the hydraulic cylinder with the punching press ontology;The lower die upper end is provided with stamped recess, the upper mold lower end
It is provided with the stamped bumps matched with the stamped recess;The purging spray head is fixed on the inside of the punching press ontology, described
Purging spray head is connect with the high temperature gas source, thin plate of the high temperature air jet in the purging spray head between upper die and lower die
On;The switch of the controller and the high temperature gas source is electrically connected, for controlling the on-off of the high temperature gas source;The control
Device and the hydraulic cylinder are electrically connected, for controlling the movement of the hydraulic cylinder.
2. sheet stamping device according to claim 1, which is characterized in that be horizontally disposed on the outside of the upper end of the lower die
First level face, the punching groove is located on the inside of the first level face;The preceding outside of the upper mold is horizontally disposed
Second horizontal plane, the stamped bumps are located on the inside of second horizontal plane.
3. sheet stamping device according to claim 2, which is characterized in that further include: slip ring, driving motor and limit
Ring;The slip ring sleeve is set to the outside of the lower die, and the bottom of the slip ring is embedded at least two symmetrically arranged drives
Dynamic motor, the driving motor is for driving the slip ring to move up and down;The stop collar is sheathed on the outside of the slip ring, and
The stop collar is fixed on the base.
4. sheet stamping device according to claim 3, which is characterized in that be provided with genesis analysis on the outside of the slip ring
The first guide rail, be provided with the first sliding groove matched with first guide rail, first guide rail on the inside of the stop collar
It is arranged in the first sliding groove;It is provided with the second guide rail of genesis analysis on the inside of the slip ring, is set on the outside of the lower die
It is equipped with the second sliding slot matched with second guide rail, second guide rail is arranged in the second sliding slot.
5. sheet stamping device according to claim 1-4, which is characterized in that the controller includes:
First control unit executes punching press movement for controlling the hydraulic cylinder, issues punching press movement after the completion of punching press movement
Complete instruction;
Second control unit completes instruction for obtaining the punching press movement from the first control unit;Obtain punching press movement
The high temperature gas source unlatching is controlled after completing instruction, the thin plate is purged, purging is issued after the completion of purging and completes to refer to
It enables;
Third control unit completes instruction for obtaining purging from second control unit, refers to obtaining the purging completion
After order, controls the hydraulic cylinder movement and carry out pressure maintaining.
6. a kind of sheet stamping method, the method is realized based on sheet stamping device, which is characterized in that the method includes such as
Lower step:
1) thin plate is placed in sheet stamping device, control hydraulic cylinder executes punching press movement, by sheet stamping at target shape;
2) after the completion of sheet stamping, control high temperature gas source is opened, and is purged to thin sheet surface;3) after the completion of purging, hydraulic cylinder is controlled
It acts and pressure maintaining is carried out to the sheet part after punching press.
7. sheet stamping method according to claim 6, which is characterized in that the temperature purged to thin sheet surface controls
It is 300-330 degrees Celsius, purge time control is 5-7 minutes.
8. sheet stamping method according to claim 7, which is characterized in that carry out the pressure of pressure maintaining to the thin plate after punching press
Control is 5MPa, and dwell time control is 10 minutes.
9. sheet stamping method according to claim 8, which is characterized in that further include: after the completion of thin plate pressure maintaining, gradually
The pressure for releasing stress, and discharging per minute is no more than 0.5MPa.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910656790.1A CN110421045A (en) | 2019-07-19 | 2019-07-19 | A kind of sheet stamping device and process for stamping |
Applications Claiming Priority (1)
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CN201910656790.1A CN110421045A (en) | 2019-07-19 | 2019-07-19 | A kind of sheet stamping device and process for stamping |
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CN110421045A true CN110421045A (en) | 2019-11-08 |
Family
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CN201910656790.1A Pending CN110421045A (en) | 2019-07-19 | 2019-07-19 | A kind of sheet stamping device and process for stamping |
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Application publication date: 20191108 |
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