CN106475471A - A kind of permanent magnetism pressing method for drawing and forming and device - Google Patents
A kind of permanent magnetism pressing method for drawing and forming and device Download PDFInfo
- Publication number
- CN106475471A CN106475471A CN201610854785.8A CN201610854785A CN106475471A CN 106475471 A CN106475471 A CN 106475471A CN 201610854785 A CN201610854785 A CN 201610854785A CN 106475471 A CN106475471 A CN 106475471A
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- China
- Prior art keywords
- holding pad
- die
- permanent magnet
- outer ring
- magnetic system
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Classifications
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- 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
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- 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
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a kind of permanent magnetism pressing method for drawing and forming and device, the method is passed through in holding pad (8) some permanent magnet combination bodies (9) of upper arrangement, it is divided into fixing magnetic system and movable magnetic system, and the upper surface of permanent magnet combination body (9) is in same level with holding pad (8) upper surface, lower removable magnetic system is fixed on sliding panel (18)；Pulley (6) on push rod (5) moves along voussoir (4) groove, sliding panel (18) and bottom is promoted to move moving left and right of magnetic system, make in permanent magnet combination body (9), to fix magnetic system and the generation relative movement of mobile magnetic system, change the magnetic attraction of the external performance of permanent magnet combination body (9)；When die outer ring (3) are contacted with the slab (13) on holding pad (8), produce magnetic attraction between die outer ring (3) and permanent magnet combination body (10), pressure-pad-force is applied for slab in drawing process by self structure.
Description
Technical field
The present invention relates to sheet material forming field, more particularly, to a kind of permanent magnetism pressing method for drawing and forming and device,
Belong to the frontier of permanent magnet technology application.
Background technology
Drawing and forming is one of major processes of sheet material forming, accounts for very important status in production and processing.Many
Well known, two kinds of main failure forms of drawing and forming are wrinkling and rupture.In drawing and forming, using rational pressing method
The wrinkling of slab can be suppressed with the pressure-pad-force applying suitable, also can improve forming limit.
Traditional pressing method mainly flexible flanging, rigid blank holder and be power transmission medium flanging etc. three using liquid or gas
The method of kind.Elastic blank holding method be compressed by flexible member after produce counteracting force and implement flanging, pressure-pad-force is general
It is difficult to meet the requirement of deep-drawing technique.Rigid blank holder is generally used for double action press, but is only applicable to drawing heavy parts, rigidity
Pressing method using fewer and feweri.Although pressure-pad-force can be made to change with stroke using the pressing method of air pressure or hydraulic control,
But need air pressure or hydraulic system and the pressure-pad-force actuator being furnished with complexity, make cupping tool become complicated, increased simultaneously
Energy consumption.
Permanent magnet technology is widely used to permanent magnetic chuck, clamping workpiece, permagnetic synchronous motor, lifting and hanging device at present
Deng.
In conjunction with the requirement to pressure-pad-force for the Board Forming process and permanent magnet technology feature it is expected to develop new pressure-pad-force control
Technology processed, to improving, existing Board Forming process is significant.
Content of the invention
The purpose of the present invention is the deficiency for traditional pressing method, proposes a kind of permanent magnetism flanging side for drawing and forming
Method and device, using the flange fixing installation designed by this pressing method, solve mould structure complexity, the energy of traditional pressing method
The problems such as consume high.
The basic thought of the present invention is that permanent magnet technology is applied to Board Forming process, is specifically applied to permanent magnet technology
The pressure-pad-force loading method that Sheet drawing shapes.Flanging is carried out using permanent magnet technology, during pressure-pad-force applies, substantially incompetent
Consumption, the magnetic attraction using Nd-Fe-B permanent magnet itself provides pressure-pad-force for drawing and forming.In the moving process of mould, using wedge
The effect of block, changes the position of the parts such as bottom Nd-Fe-B permanent magnet, pole piece, makes fixing magnetic system produce relative shifting with mobile magnetic system
Dynamic, realize the addition of magnetic field intensity or cancellation on work magnetic pole strength, realize unloading and the loading procedure of pressure-pad-force.
The present invention is achieved by the following technical solutions：
The invention provides a kind of permanent magnetism pressing method for drawing and forming is it is characterised in that comprise the steps：
Step 1：Die and die outer ring are fixed on upper bolster, and die outer ring lower surface exceeds one than die lower surface
The thickness of individual slab；
Step 2：Arrange some permanent magnet combination bodies in holding pad non-depressed border area, be divided into fixing magnetic system and movable magnetic system, and forever
The upper surface of magnetic assembly and holding pad upper surface are in same level, and lower removable magnetic system is fixed on sliding panel；
Step 3：Support spring is enclosed within the unloading bolt being connected with holding pad bottom surface, and support spring acts primarily as a bulging
The effect of flitch deadweight；
Step:4：Voussoir is fixed on die shoe, and push rod left end is connected on sliding panel through holding pad, and right-hand member connects rolling
Wheel；
Step 5：When part of the upper die comes downwards to certain position, upper modular belt dynamic pressure flitch continues traveling downwardly, and roller moves along wedge groove
Dynamic, drive push rod and movable magnetic system to be moved to the left, make permanent magnet combination body produce magnetic attraction with die outer ring, slab is crushed on die
And blank holder between, when pressure-pad-force reaches certain value, drawing process starts；
Step 6：After drawing terminates, part of the upper die returns, and in the presence of magnetic attraction, die outer ring drives holding pad together
Move up, roller moves along wedge groove, move right to least significant with push rod and mobile magnetic system, permanent magnet combination body with recessed
Close to 0, now, holding pad stops up, outside die under the effect of contraction of unloading bolt magnetic attraction between mould outer ring
Circle separates.
Further, described holding pad is placed some permanent magnet combination bodies, by mobile activity magnetic system, permanent magnet combination
Form local magnetic field between body and die outer ring, and less in the magnetic field comprising to produce at other regions of shaped region.
Further, the difference according to design maximum pressure-pad-force, described holding pad variable dimension, permanent magnetism thereon
The size of assembly, quantity and distribution also alterable.
Further, the captivation producing between permanent magnet combination body and die outer ring can directly be transmitted by self structure
Implement flanging to slab.
Further, change the shape of wedge groove, pressure-pad-force suffered by slab can be made to become according to certain rules with drawing stroke
Change.
In the present invention, place die outer ring above slab non-depressed border area, the binder with permanent magnet combination body is placed in lower section
Plate；Roller on push rod moves up and down along wedge groove, promotes the sliding panel right side to move left, lives simultaneously in sliding panel permanent magnet combination body
Dynamic magnetic system is changed with the relative position of fixing magnetic system, and the magnetic attraction producing between holding pad and die outer ring also becomes
Change；When movable magnetic system is in least significant, the magnetic attraction producing between holding pad and die outer ring is close to 0；At movable magnetic system
In leftmost position, the magnetic attraction producing between holding pad and die outer ring is maximum (maximum magnetic attraction can determine according to design)；And
The magnetic attraction producing between holding pad and die outer ring directly passes to slab by self structure and implements flanging.
Present invention also offers a kind of permanent magnetism flange fixing installation for drawing and forming is it is characterised in that die outer ring, wedge
Block, push rod, roller, holding pad, permanent magnet combination body, support spring, gripper shoe, sliding panel；Die outer ring is fixed on by screw
On die holder, die outer ring lower surface exceeds the thickness of one slab of die lower surface；Arrange some in the non-depressed border area of holding pad
Permanent magnet combination body, forms upper and lower two magnetic systems, respectively standing part and movable part, and the upper surface of top magnetic system and binder
Plate upper surface is in same level, and the mobile magnetic system in bottom is placed on sliding panel, and top magnetic system places on the supporting plate；Push away
Bar passes through the through hole on the right side of holding pad, and one end is fixed on sliding panel, and the other end connects roller, and roller is limited in wedge groove and moves
Dynamic；Voussoir is fixed on die shoe, and when the roller of push rod right-hand member moves downward or upward along wedge groove, push rod drives permanent magnetism
The part that in assembly, movable magnetic pastern divides moves left and right；Support spring is enclosed within the unloading bolt being connected with holding pad bottom surface
On, support spring acts primarily as the effect supporting holding pad deadweight.
In general, due to adopting technique scheme, a kind of permanent magnetism flanging for drawing and forming that the present invention provides
Method and device, compared with prior art has such beneficial effect：The present invention can replace traditional pressing method, solves
The trend that pressure-pad-force in elastic blank holding method changes with drawing stroke and increases, the problem not being inconsistent with blank pressing technology；This
Bright compared with using hydraulic pressure or air pressure flange fixing installation it is not necessary to gases at high pressure or hydraulic oil pump, enormously simplify mould structure, and
Have that cost-effective, environmental protection, energy-conservation, arrangement be convenient, easily changeable feature；The present invention realizes adding of pressure-pad-force using permanent magnet technology
Carry and unloading, unit area suction is big, and power is evenly distributed, safe and reliable, basic Non-energy-consumption；Applying pressure of the present invention
The device of side power is with little need for maintenance, stable work in work.
Brief description
Fig. 1 is used for the permanent magnetism flange fixing installation structure diagram of drawing and forming for the present invention；
Fig. 2 is the front view of holding pad；
Fig. 3 is the echelon sectional view of holding pad；
Fig. 4 is the left view of holding pad；
Fig. 5 is I portion enlarged drawing in Fig. 4；
Fig. 6 is the inventive method and device is used for the structure diagram in upside-down mounting cupping tool.
In figure：1- upper bolster, 2- die, 3- die outer ring, 4- voussoir, 5- push rod, 6- roller, 7- die shoe, 8- binder
Plate, 9- permanent magnet combination body, 10- unloading bolt, 11- support spring, 12- punch, 13- slab, 14- gripper shoe, 15- neodymium iron boron
Permanent magnet, 16- is every magnetic piece, 17- pole piece, 18- sliding panel.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
It is illustrated in figure 1 a kind of specific embodiment of a kind of permanent magnetism pressing method for drawing and forming of the present invention and device
Son.Including：Upper bolster 1, die 2, die outer ring 3, voussoir 4, push rod 5, roller 6, die shoe 7, holding pad 8, permanent magnet combination body
9th, unloading bolt 10, support spring 11, punch 12 and lower slab 13；Upper bolster 1 is rearmounted guiding upper bolster, by push-through die
Handle is fixed on the slide block of forcing press；Die shoe 7 is rearmounted guiding die shoe, is fixed on press bench by fixture；
The left rear side of upper bolster 1 and right lateral side are respectively equipped with two mold guide sleeves, and the left rear side of die shoe 7 and right lateral side are respectively equipped with two
Individual guide-post of die-set, upper bolster 1 is connected with the guide-post of die-set of die shoe 7 by mold guide sleeve, two mold guide sleeve sets of upper bolster 1
It is contained on two guide-post of die-set of die shoe 7, enable on upper bolster 1 relative die shoe 7 under the guide effect of guide-post of die-set
Lower motion, and ensure not with other component interference；Die 2 is in circle convex platform shape, and die outer ring 3 is in circular, 3 sets of die outer ring
It is contained in die 2 bottom, and die outer ring 3 lower surface is less than die 2 lower surface, its difference in height is equal to the thickness of a slab；Recessed
Mould 2 and die outer ring 3 are together fixed on by holding screw in the groove of upper bolster 1；Punch 12 is fixed on lower mould by holding screw
In the groove of seat 7；Holding pad 8 is square structure and the lower section being placed in die outer ring 3, and holding pad 8 passes through two unloading bolts 10
It is connected with two support springs 11 and die shoe 7, two unloading bolts 10 pass through screw hole and the support spring 11 of die shoe 7
It is fastened on the bottom surface of holding pad 7, two support springs 11 act primarily as the effect supporting holding pad 8 deadweight, two discharging spiral shells
Nail 11 can slide up and down, when holding pad 8 moves in the presence of support spring 11 elastic force upwards in the screw hole of die shoe 7
When, two unloading bolts 10 constrain the upper limit position of holding pad 8；Endoporus on holding pad 8 is slightly larger than punch 12 diameter, and
The endoporus of holding pad 8 and punch 12 coaxial line, holding pad 8 no frictionally can move up and down with respect to punch 12；In holding pad 8
Inside it is inlaid with N number of permanent magnet combination body 9, the upper surface of the upper surface of permanent magnet combination body 9 and holding pad 8 is in the same plane；
As shown in Fig. 25, described permanent magnet combination body 9 is overlooked square, has N number of permanent magnet combination body 9 to be evenly arranged edge
It is embedded in holding pad 8；Described permanent magnet combination body 9 includes top magnetic system and bottom magnetic system, and top magnetic system is fixing magnetic system, bottom
Magnetic system is movable magnetic system, and top magnetic system is separated by gripper shoe 14 with bottom magnetic system；Top magnetic system includes being fixed on gripper shoe 14
Nd-Fe-B permanent magnet 15, every magnetic piece 16 and pole piece 17, Nd-Fe-B permanent magnet 15 in fixing magnetic system, every magnetic piece 16, pole piece 17
And the upper surface of holding pad 8 is in same level；The magnetic attraction that permanent magnet combination body 9 provides is made as much as possible to be converted into
Pressure-pad-force.Nd-Fe-B permanent magnet 15 that bottom magnetic system includes being fixed on sliding panel 18, every magnetic piece 16 and pole piece 17, in sliding panel
18 left side is tethered at the cavity of slip for bottom magnetic；It is provided with a through hole on the right side of holding pad 8；
Voussoir 4 described as shown in figs. 1 and 6 is fixed on die shoe 1 by screw, and push rod passes through the logical of holding pad 8 right side
Hole, one end is fastened on sliding panel 18, and the other end installs a roller 6, and roller 6 is limited in motion in voussoir 4 groove all the time；When
When moving downwardly together or upwards in holding pad 8 and die outer ring 3, the roller 6 on push rod 5 moves up and down along voussoir 4 groove, promotes
Sliding panel 18 moves left and right, and drives bottom magnetic system to move left and right simultaneously；
This pressing method content is as follows：
When drawing and forming mould is in die opening state, the roller 6 of push rod 5 one end moves downward along voussoir 4 groove, slides
Plate 18 and the bottom magnetic being fixed on sliding panel 18 are in least significant in the presence of tying up to push rod 5, now permanent magnet combination body 9
External magnetic attraction is 0；When press ram moves downward, die 2, die outer ring 3 is driven to move downwardly together, to die
After outer ring 3 is contacted with the holding pad on holding pad 8, holding pad moves downwardly together with press ram, and holding pad 8 and die
The magnetic attraction producing between outer ring 3 directly passes to slab by self structure and applies pressure-pad-force；It is fastened under holding pad 8 simultaneously
The unloading bolt 10 of bottom surface moves downward in the through hole in die shoe 7, and support spring 11 produces compression；Pressed by support spring 11
Contracting deformation produces to holding pad 8 elastic force very little upwards, is negligible；When the roller 6 of push rod 5 one end is along voussoir 4 groove
Inclined-plane when moving downward, push rod 5 promotes sliding panel 18 to left movement in the presence of voussoir 4 groove inclined-plane, is also secured to slide
Bottom magnetic system on dynamic plate 18 also with sliding panel 18 to left movement, the magnetic between this process permanent magnet combination body 9 and die outer ring 3
Power is gradually increased；In the process, push rod spring 6 is constantly in compressive state, and decrement moves downward as increasing with holding pad 8
Greatly；Holding pad 8 continues to move downward with press ram, the roller 6 of push rod 5 one end behind the inclined-plane of voussoir 4 groove, push rod 5
By sliding panel 9 and the bottom magnetic system that is fixed on sliding panel 18 is pushed into high order end, now the external magnetic attraction of magnetic architecture is
Greatly；Press ram drives die 2, die outer ring 3 and holding pad 8 to continue traveling downwardly, and this back wedge 4 is in and push rod 5 is no acted on
State；When push rod 5 one end roller 6 moves along the inclined-plane of voussoir 4 groove used, matched moulds starts, and this matched moulds process carries for slab
For pressure variable edge force；When push rod 5 one end roller 6 is behind the inclined-plane of voussoir 4 groove used, matched moulds starts, and this matched moulds process is slab
Permanent pressure-pad-force is provided；After drawing process terminates, die outer ring 3, holding pad 8 and molded part are with press ram
OK；When being up to certain distance, the roller 6 of the holding pad 8 right-hand member movable magnetic in the inclined-plane of voussoir 4 groove, permanent magnet combination body 9
System is in least significant, and now the external magnetic attraction of magnetic architecture is 0；Holding pad 8 stops under the effect of contraction of unloading bolt 10
Only up, and stop in the original location under the supporting role of support spring 11；Die 2, die outer ring 3 and stay die 2 afterwards
Interior molded part continues up with press ram；Die 2, die outer ring 3 go upward to initial bit with press ram afterwards
Put, the molded part stayed in die 2 completes discharge process by the filling device of die 2 side.
This flange fixing installation content is as follows：
It is characterized in that, die outer ring 3, voussoir 4, push rod 5, roller 6, holding pad 8, permanent magnet combination body 9, support spring
11, gripper shoe 14, sliding panel 18；Die outer ring 3 is fixed on upper bolster by screw, and die outer ring 3 lower surface exceeds under die
The thickness of one slab in surface；Arrange some permanent magnet combination bodies 9 in the non-depressed border area of holding pad 8, form upper and lower two magnetic systems, point
Not Wei standing part and movable part, and the upper surface of top magnetic system and holding pad 8 upper surface be in same level, bottom
Mobile magnetic system is placed on sliding panel 18, and top magnetic system is placed in gripper shoe 14；Push rod 5 passes through the through hole on holding pad 8 right side,
One end is fixed on sliding panel 18, and the other end connects roller 6, and roller 6 is limited in voussoir 4 groove and moves；Voussoir 4 is fixed on lower mould
On seat, when the roller of push rod 5 right-hand member moves downward or upward along voussoir 4 groove, push rod drives movable magnetic in permanent magnet combination body 9
The part that pastern divides moves left and right；Support spring covers 11 on the unloading bolt being connected with holding pad 8 bottom surface, support spring 11
Act primarily as the effect supporting holding pad 8 deadweight.
The invention is not restricted to this mould structure, every principle, method are identical with the present invention with mentality of designing, or to originally setting
The simple substitute of meter, each falls within protection scope of the present invention.
Claims (6)
1. a kind of permanent magnetism pressing method for drawing and forming is it is characterised in that comprise the steps：
Step 1：Die outer ring is fixed on upper bolster, and die outer ring lower surface exceeds the thick of a slab than die lower surface
Degree；
Step 2：Arrange some permanent magnet combination bodies in holding pad non-depressed border area, be divided into fixing magnetic system and movable magnetic system, and permanent magnetism group
Fit upper surface and holding pad upper surface are in same level, and lower removable magnetic system is fixed on sliding panel；
Step 3：Support spring is enclosed within the unloading bolt being connected with holding pad bottom surface, and support spring acts primarily as support holding pad
The effect of deadweight；
Step:4：Voussoir is fixed on die shoe, and push rod left end is connected through holding pad with sliding panel, and right-hand member connects roller；
Step 5：When part of the upper die comes downwards to certain position, upper modular belt dynamic pressure flitch continues traveling downwardly, and roller moves along wedge groove, band
Dynamic push rod and movable magnetic system are moved to the left, and make permanent magnet combination body produce magnetic attraction with die outer ring, slab is crushed on die and pressure
Between flange, when pressure-pad-force reaches certain value, drawing process starts；
Step 6：After drawing terminates, part of the upper die returns, and in the presence of magnetic attraction, die outer ring drives holding pad together upwards
Mobile, roller moves along wedge groove, moves right to least significant with push rod and mobile magnetic system, outside permanent magnet combination body and die
Close to 0, now, holding pad stops up under the effect of contraction of unloading bolt magnetic attraction between circle, divides with die outer ring
From.
2. as claimed in claim 1 a kind of permanent magnetism pressing method for drawing and forming it is characterised in that in step 2, institute
Some permanent magnet combination bodies are placed on the holding pad stated, by mobile activity magnetic system, is formed between permanent magnet combination body and die outer ring
Local magnetic field, and less in the magnetic field comprising to produce at other regions of shaped region.
3. as claimed in claim 1 a kind of permanent magnetism pressing method for drawing and forming it is characterised in that in step 2, root
According to the difference of design maximum pressure-pad-force, described holding pad variable dimension, the size of permanent magnet combination body thereon, quantity and point
Cloth also alterable.
4. as claimed in claim 1 a kind of permanent magnetism pressing method for drawing and forming it is characterised in that in step 4, forever
The captivation producing between magnetic assembly and die outer ring directly can pass to slab by self structure and implement flanging.
5. a kind of permanent magnetism pressing method for drawing and forming it is characterised in that in step 4, changes as claimed in claim 1
Become the shape of wedge groove, pressure-pad-force suffered by slab can be made to change according to certain rules with drawing stroke.
6. a kind of permanent magnetism flange fixing installation for drawing and forming is it is characterised in that die outer ring (3), voussoir (4), push rod (5),
Roller (6), holding pad (8), permanent magnet combination body (9), support spring (11), gripper shoe (14), sliding panel (18)；Die outer ring
(3) it is fixed on upper bolster by screw, die outer ring (3) lower surface exceeds the thickness of one slab of die lower surface；In binder
Some permanent magnet combination bodies (9) are arranged in the non-depressed border area of plate (8), form upper and lower two magnetic systems, respectively standing part and movable part
Divide, and the upper surface of top magnetic system is in same level with holding pad (8) upper surface, the mobile magnetic system in bottom is placed on slip
On plate (18), top magnetic system is placed in gripper shoe (14)；Push rod (5) passes through the through hole on the right side of holding pad (8), and one end is fixed on
On sliding panel (18), the other end connects roller (6), and roller (6) is limited in voussoir (4) groove and moves；Voussoir (4) is fixed on lower mould
On seat, when the roller of push rod (5) right-hand member moves downward or upward along voussoir (4) groove, push rod drives in permanent magnet combination body (9)
The part that movable magnetic pastern divides moves left and right；Support spring set (11) on the unloading bolt being connected with holding pad (8) bottom surface,
Support spring (11) acts primarily as the effect supporting holding pad (8) to conduct oneself with dignity；Wherein, described flange fixing installation is using as claim 1
It is obtained after described method design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854785.8A CN106475471B (en) | 2016-09-28 | 2016-09-28 | A kind of permanent magnetism pressing method and device for drawing and forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854785.8A CN106475471B (en) | 2016-09-28 | 2016-09-28 | A kind of permanent magnetism pressing method and device for drawing and forming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106475471A true CN106475471A (en) | 2017-03-08 |
| CN106475471B CN106475471B (en) | 2018-10-16 |
Family
ID=58268104
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610854785.8A Active CN106475471B (en) | 2016-09-28 | 2016-09-28 | A kind of permanent magnetism pressing method and device for drawing and forming |
Country Status (1)
| Country | Link |
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| CN (1) | CN106475471B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483929A (en) * | 2018-12-17 | 2019-03-19 | 燕山大学 | A kind of novel double action press |
| CN109572039A (en) * | 2018-12-10 | 2019-04-05 | 燕山大学 | A kind of double action press by magnetic force as mold clamping force |
| CN111266452A (en) * | 2020-02-11 | 2020-06-12 | 燕山大学 | Blocking and edge pressing device based on electric control permanent magnet technology and edge pressing force control method |
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| JPS5851044A (en) * | 1981-09-17 | 1983-03-25 | Fuji Jikou Kk | Magnetic chuck |
| KR0181525B1 (en) * | 1994-12-20 | 1999-04-01 | 윤종용 | Impact-absorbing apparatus of mold using magnetic force |
| CN105081107A (en) * | 2015-09-23 | 2015-11-25 | 燕山大学 | Drawing forming die with blank pressing conducted by adopting electronic control permanent magnet technique and blank pressing method of drawing forming die |
| CN105537361A (en) * | 2016-01-22 | 2016-05-04 | 华中科技大学 | Electromagnetic blank pressing method and device applicable to high-speed forming |
| CN205237663U (en) * | 2015-12-16 | 2016-05-18 | 唐甬江 | Plane permanent magnetism workstation |
| CN205363388U (en) * | 2016-01-23 | 2016-07-06 | 北京诚测科技有限公司 | Permanent -magnetic chuck switch transmission structure |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5851044A (en) * | 1981-09-17 | 1983-03-25 | Fuji Jikou Kk | Magnetic chuck |
| KR0181525B1 (en) * | 1994-12-20 | 1999-04-01 | 윤종용 | Impact-absorbing apparatus of mold using magnetic force |
| CN105081107A (en) * | 2015-09-23 | 2015-11-25 | 燕山大学 | Drawing forming die with blank pressing conducted by adopting electronic control permanent magnet technique and blank pressing method of drawing forming die |
| CN205237663U (en) * | 2015-12-16 | 2016-05-18 | 唐甬江 | Plane permanent magnetism workstation |
| CN105537361A (en) * | 2016-01-22 | 2016-05-04 | 华中科技大学 | Electromagnetic blank pressing method and device applicable to high-speed forming |
| CN205363388U (en) * | 2016-01-23 | 2016-07-06 | 北京诚测科技有限公司 | Permanent -magnetic chuck switch transmission structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572039A (en) * | 2018-12-10 | 2019-04-05 | 燕山大学 | A kind of double action press by magnetic force as mold clamping force |
| CN109483929A (en) * | 2018-12-17 | 2019-03-19 | 燕山大学 | A kind of novel double action press |
| CN111266452A (en) * | 2020-02-11 | 2020-06-12 | 燕山大学 | Blocking and edge pressing device based on electric control permanent magnet technology and edge pressing force control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106475471B (en) | 2018-10-16 |
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