CN106475471B - A kind of permanent magnetism pressing method and device for drawing and forming - Google Patents
A kind of permanent magnetism pressing method and device for drawing and forming Download PDFInfo
- Publication number
- CN106475471B CN106475471B CN201610854785.8A CN201610854785A CN106475471B CN 106475471 B CN106475471 B CN 106475471B CN 201610854785 A CN201610854785 A CN 201610854785A CN 106475471 B CN106475471 B CN 106475471B
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- holding pad
- cavity plate
- permanent magnet
- magnetic system
- outer ring
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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
Abstract
The invention discloses a kind of permanent magnetism pressing methods and device for drawing and forming, this method on holding pad (8) by arranging several permanent magnet combination bodies (9), it is divided into fixed magnetic system and activity magnetic system, and the upper surface of permanent magnet combination body (9) is in holding pad (8) upper surface in same level, lower removable magnetic system is fixed on sliding panel (18)；Idler wheel (6) on push rod (5) is moved along voussoir (4) slot, sliding panel (18) and lower removable magnetic system is pushed to move left and right, make to fix magnetic system and the generation relative movement of activity magnetic system in permanent magnet combination body (9), changes the magnetic attraction that permanent magnet combination body (9) externally shows；When the slab (13) on cavity plate outer ring (3) and holding pad (8) contacts, magnetic attraction is generated between cavity plate outer ring (3) and permanent magnet combination body (10), is that slab applies pressure-pad-force 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 and device for drawing and forming,
Belong to the frontier of permanent magnet technology application.
Background technology
Drawing and forming is one of major processes of sheet material forming, and very important status is accounted in production and processing.It is many
Well known, two kinds of main failure forms of drawing and forming are corrugation and rupture.In drawing and forming, using rational pressing method
It can inhibit the corrugation of slab with pressure-pad-force appropriate is applied, can also improve forming limit.
Traditional pressing method mainly flexible flanging, rigid blank holder and uses liquid or gas for power transmission medium flanging etc. three
Kind method.Elastic blank holding method be by elastic element compressed after the reaction force that generates 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
The use of pressing method is fewer and fewer.Although pressure-pad-force can be made to change with stroke using the pressing method of air pressure or hydraulic control,
But it needs, equipped with complicated air pressure or hydraulic system and pressure-pad-force executing agency, to make cupping tool become complicated, increase simultaneously
Energy consumption.
Permanent magnet technology is widely used to permanent magnetic chuck, clamping workpiece, permanent magnet synchronous motor, lifting and hanging device at present
Deng.
The characteristics of requirement in conjunction with Board Forming process to pressure-pad-force and permanent magnet technology, it is expected to develop new pressure-pad-force control
Technology processed, it is significant to improving existing Board Forming process.
Invention content
The purpose of the present invention is the deficiencies for traditional pressing method, propose a kind of permanent magnetism flanging side for drawing and forming
Method and device solve mould structure complexity, the energy of traditional pressing method using the flange fixing installation designed by this pressing method
Consume the problems such as 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 of Sheet drawing forming.Flanging is carried out using permanent magnet technology, it is substantially incompetent during pressure-pad-force applies
Consumption, pressure-pad-force is provided using the magnetic attraction of Nd-Fe-B permanent magnet itself for drawing and forming.In the moving process of mold, wedge is utilized
The effect of block changes the position of the parts such as lower part Nd-Fe-B permanent magnet, pole piece, and fixed magnetic system and activity magnetic system is made to generate opposite move
It is dynamic, it realizes the addition of magnetic field intensity or cancellation on work magnetic pole strength, realizes unloading and the loading procedure of pressure-pad-force.
The present invention is achieved by the following technical solutions：
The present invention provides a kind of permanent magnetism pressing methods for drawing and forming, which is characterized in that includes the following steps：
Step 1：Cavity plate and cavity plate outer ring are fixed on upper die holder, and cavity plate outer ring lower surface is higher by one than cavity plate lower surface
The thickness of a slab；
Step 2：Several permanent magnet combination bodies are arranged in the non-depressed border area of holding pad, are divided into fixed magnetic system and activity magnetic system, and forever
The upper surface of magnetic assembly is in holding pad upper surface in same level, and lower removable magnetic system is fixed on sliding panel；
Step 3：Support spring is sleeved on the unloading bolt being connected with holding pad bottom surface, and support spring mainly plays branch bulging
The effect of flitch dead weight；
Step:4：Voussoir is fixed on lower die holder, and push rod left end is connected to across holding pad on sliding panel, right end connection rolling
Wheel；
Step 5：When part of the upper die comes downwards to certain position, upper mold drives holding pad to continue traveling downwardly, and idler wheel is moved along wedge groove
It is dynamic, it drives push rod and activity magnetic system to be moved to the left, permanent magnet combination body is made to generate magnetic attraction with cavity plate outer ring, slab is crushed on cavity plate
Between holding pad, when pressure-pad-force reaches certain value, drawing process starts；
Step 6：After drawing, part of the upper die returns, and under the action of magnetic attraction, cavity plate outer ring drives holding pad together
Move up, idler wheel is moved along wedge groove, is moved right to least significant with push rod and activity magnetic system, permanent magnet combination body with it is recessed
Magnetic attraction between mould outer ring is close to 0, at this point, holding pad stops uplink under the effect of contraction of unloading bolt, and outside cavity plate
Circle separation.
Further, several permanent magnet combination bodies are placed on the holding pad, pass through mobile activity magnetic system, permanent magnet combination
Local magnetic field is formed between body and cavity plate outer ring, and smaller comprising the magnetic field generated at other regions including shaped region.
Further, according to the difference of design maximum pressure-pad-force, the holding pad variable dimension, permanent magnetism thereon
Size, quantity and the distribution of assembly can also change.
Further, the attraction generated between permanent magnet combination body and cavity plate outer ring can be transmitted directly 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, cavity plate outer ring is placed above the non-depressed border area of slab, the binder with permanent magnet combination body is placed in lower section
Plate；Idler wheel on push rod is moved up and down along wedge groove, and the sliding panel right side is pushed to move left, while living in sliding panel permanent magnet combination body
The relative position of dynamic magnetic system and fixed magnetic system changes, and the magnetic attraction generated between holding pad and cavity plate outer ring also becomes
Change；When activity magnetic system is in least significant, the magnetic attraction generated between holding pad and cavity plate outer ring is close to 0；At activity magnetic system
In leftmost position, the magnetic attraction generated between holding pad and cavity plate outer ring is maximum (maximum magnetic attraction can be determined according to design)；And
The magnetic attraction generated between holding pad and cavity plate outer ring directly passes to slab by self structure and implements flanging.
The present invention also provides a kind of permanent magnetism flange fixing installations for drawing and forming, which is characterized in that including cavity plate outer ring,
Voussoir, push rod, idler wheel, holding pad, permanent magnet combination body, support spring, support plate, sliding panel；Cavity plate outer ring is fixed on by screw
On upper die holder, cavity plate outer ring lower surface is higher by the thickness of one slab in cavity plate lower surface；If being arranged in the non-depressed border area of holding pad
Dry permanent magnet combination body forms two magnetic systems up and down, respectively fixed part and movable part, and the upper surface of top magnetic system and pressure
Flitch upper surface is in same level, and lower removable magnetic system is placed on sliding panel, and top magnetic system is placed on the supporting plate；
Push rod passes through the through-hole on the right side of holding pad, one end to be fixed on sliding panel, and the other end connects idler wheel, and idler wheel is limited in wedge groove
It is mobile；Voussoir is fixed on lower die holder, and when the idler wheel of push rod right end moves downward or upward along wedge groove, push rod drives forever
The part of activity magnetic system part moves left and right in magnetic assembly；Support spring is sleeved on the unloading bolt being connected with holding pad bottom surface
On, support spring mainly plays a part of to support holding pad dead weight.
In general, due to the adoption of the above technical scheme, a kind of permanent magnetism flanging for drawing and forming provided by the invention
Method and device has such advantageous effect compared with prior art：The present invention can replace traditional pressing method, solve
Pressure-pad-force in elastic blank holding method changes and increased trend with drawing stroke, the problem of not being inconsistent with blank pressing technology；This hair
It is bright not need high pressure gas or hydraulic oil pump compared with using hydraulic pressure or air pressure flange fixing installation, mould structure is enormously simplified, and
Have the characteristics that cost-effective, environmentally friendly, energy saving, arrangement is convenient, easily changeable；The present invention realizes adding for pressure-pad-force using permanent magnet technology
It carries and unloads, unit area suction is big, and power is evenly distributed, safe and reliable, basic Non-energy-consumption；Application pressure of the present invention
The device of side power is with little need for maintenance, stable work in work.
Description of the drawings
Fig. 1 is the permanent magnetism flange fixing installation structure diagram that the present invention is used for drawing and forming；
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 the portions I enlarged drawing in Fig. 4；
Fig. 6 is the method for the present invention and device for the structure diagram in upside-down mounting cupping tool.
In figure：1- upper die holders, 2- cavity plates, 3- cavity plates outer ring, 4- voussoirs, 5- push rods, 6- idler wheels, 7- lower die holders, 8- binders
Plate, 9- permanent magnet combination bodies, 10- unloading bolts, 11- support springs, 12- punch-pin, 13- slabs, 14- support plates, 15- neodymium iron borons are forever
Magnet, 16- is every magnetic patch, 17- pole pieces, 18- sliding panels.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The present invention is described in further detail with specific implementation mode below in conjunction with the accompanying drawings：
It is a kind of for the permanent magnetism pressing method of drawing and forming and a kind of specific embodiment of device for the present invention as shown in Figure 1
Son.Including：Upper die holder 1, cavity plate 2, cavity plate outer ring 3, voussoir 4, push rod 5, idler wheel 6, lower die holder 7, holding pad 8, permanent magnet combination body
9, unloading bolt 10, support spring 11, punch-pin 12 and slab 13；Upper die holder 1 is that postposition is oriented to upper die holder, passes through forced die shank
It is fixed on the sliding block of forcing press；Lower die holder 7 is that postposition is oriented to lower die holder, is fixed on press bench by fixture；On
The left rear side and right lateral side of die holder 1 are respectively equipped with two mold guide sleeves, and the left rear side and right lateral side of lower die holder 7 are respectively equipped with two
Guide-post of die-set, upper die holder 1 are connected by mold guide sleeve with the guide-post of die-set of lower die holder 7, two mold guide sleeves suit of upper die holder 1
On two guide-post of die-set of lower die holder 7, enable about the 7 opposite lower die holder under the guiding role of guide-post of die-set of upper die holder 1
Movement, and ensure not with other component interferences；Cavity plate 2 is in circle convex platform shape, and cavity plate outer ring 3 is in annular shape, 3 sets of cavity plate outer ring
Mounted in 2 lower part of cavity plate, and 3 lower surface of cavity plate outer ring is higher than 2 lower surface of cavity plate, and difference in height is equal to the thickness of a slab；It is recessed
Mould 2 and cavity plate outer ring 3 are fixed in the groove of upper die holder 1 together by holding screw；Punch-pin 12 is fixed on lower die by holding screw
In the groove of seat 7；Holding pad 8 is square structure and is placed in the lower section of cavity plate outer ring 3, and holding pad 8 passes through two unloading bolts 10
It is connected with lower die holder 7 with two support springs 11, two unloading bolts 10 pass through the screw hole and support spring 11 of lower die holder 7
It is fastened on the bottom surface of holding pad 8, two support springs 11 are main to play a part of that holding pad 8 is supported to conduct oneself with dignity, two discharging spiral shells
Nail 10 can slide up and down in the screw hole of lower die holder 7, when holding pad 8 moves upwards under the action of 11 elastic force of support spring
When, two unloading bolts 10 constrain the upper limit position of holding pad 8；Endoporus on holding pad 8 is slightly larger than 12 diameter of punch-pin, and presses
12 coaxial line of endoporus and punch-pin of flitch 8, holding pad 8 can be relative to punch-pin 12 without frictionally moving up and down；In holding pad 8
It is inlaid with N number of permanent magnet combination body 9, the upper surface of permanent magnet combination body 9 and the upper surface of holding pad 8 are in the same plane；
As shown in Fig. 2-5, the permanent magnet combination body 9 is overlooked square, has N number of permanent magnet combination body 9 to be evenly arranged edge
In holding pad 8；The permanent magnet combination body 9 includes top magnetic system and lower part magnetic system, and top magnetic system is fixed magnetic system, lower part
Magnetic system is activity magnetic system, and top magnetic system is supported plate 14 with lower part magnetic system and is separated；Top magnetic system includes being fixed on support plate 14
Nd-Fe-B permanent magnet 15, every magnetic patch 16 and pole piece 17, Nd-Fe-B permanent magnet 15 in fixed magnetic system, every magnetic patch 16, pole piece 17
And the upper surface of holding pad 8 is in same level；The magnetic attraction conversion as much as possible for making permanent magnet combination body 9 provide
For pressure-pad-force.Lower part magnetic system includes the Nd-Fe-B permanent magnet 15 being fixed on sliding panel 18, every magnetic patch 16 and pole piece 17, is being slided
The left side of plate 18 is that there are the cavitys of sliding for lower part magnetic system；8 right side of holding pad is equipped with a through-hole；
The voussoir 4 is fixed on by screw on lower die holder 7 as shown in figs. 1 and 6, and push rod passes through the logical of 8 right side of holding pad
Hole, one end are fastened on sliding panel 18, and the other end installs an idler wheel 6, and idler wheel 6 is limited in movement in 4 slot of voussoir always；
When holding pad 8 and cavity plate outer ring 3 are downwardly together or when moving upwards, the idler wheel 6 on push rod 5 is moved up and down along 4 slot of voussoir, is pushed away
Dynamic sliding panel 18 moves left and right, while lower part magnetic system being driven to move left and right；
The pressing method content is as follows：
When drawing and forming mold is in die opening state, the idler wheel 6 of 5 one end of push rod is moved downward along 4 slot of voussoir, sliding
Plate 18 and the lower part magnetic system being fixed on sliding panel 18 are in least significant under the action of push rod 5, at this time permanent magnet combination body 9
External magnetic attraction is 0；When press ram moves downward, cavity plate 2, cavity plate outer ring 3 is driven to move downwardly together, arrives cavity plate
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 cavity plate
The magnetic attraction generated 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 lower die holder 7, and support spring 11 generates compression；It is pressed by support spring 11
Contracting deformation generates the elastic force very little upward to holding pad 8, can be ignored；When the idler wheel 6 of 5 one end of push rod is along 4 slot of voussoir
Inclined-plane when moving downward, push rod 5 pushes sliding panel 18 to move downward under the action of 4 slot inclined-plane of voussoir, is also secured to cunning
Lower part magnetic system on movable plate 18 is also moved downward with sliding panel 18, the magnetic between this process permanent magnet combination body 9 and cavity plate outer ring 3
Suction gradually increases；In the process, support spring 11 is constantly in compressive state, and decrement is moved downward with holding pad 8
To increase；Holding pad 8 continues to move downward with press ram, and the idler wheel 6 of 5 one end of push rod pushes away behind the inclined-plane of 4 slot of voussoir
Sliding panel 9 and the lower part magnetic system being fixed on sliding panel 18 are pushed into left end by bar 5, at this time the external magnetic of magnetic system structure
Power is maximum；Press ram drives cavity plate 2, cavity plate outer ring 3 and holding pad 8 to continue traveling downwardly, this back wedge 4 is in 5 nothing of push rod
Active state；When 5 one end idler wheel 6 of push rod is moved along the inclined-plane of 4 slot of voussoir used, molding starts, this clamping process is plate
Base provides pressure variable edge force；When 5 one end idler wheel 6 of push rod is behind the inclined-plane of 4 slot of voussoir used, molding starts, this clamping process is
Slab provides permanent pressure-pad-force；After drawing process, cavity plate outer ring 3, holding pad 8 and molded part are with press ram one
Play uplink；When being up to certain distance, the idler wheel 6 of 8 right end of holding pad passes through the inclined-plane of 4 slot of voussoir, the work in permanent magnet combination body 9
Dynamic magnetic system is in least significant, and the external magnetic attraction of magnetic system structure is 0 at this time；Effect of contraction of the holding pad 8 in unloading bolt 10
Lower stopping uplink, and stopped in situ under the supporting role of support spring 11；It cavity plate 2, cavity plate outer ring 3 and stays in recessed later
Molded part in mould 2 continues with press ram uplink；Cavity plate 2, cavity plate outer ring 3 are gone upward to initially with press ram later
Position, the molded part stayed in cavity plate 2 complete discharge process by the filling device of 2 side of cavity plate.
The flange fixing installation content is as follows：
It is characterized in that, cavity plate outer ring 3, voussoir 4, push rod 5, idler wheel 6, holding pad 8, permanent magnet combination body 9, support spring
11, support plate 14, sliding panel 18；Cavity plate outer ring 3 is fixed on by screw on upper die holder, and 3 lower surface of cavity plate outer ring is higher by under cavity plate
The thickness of one slab in surface；Several permanent magnet combination bodies 9 are arranged in the non-depressed border area of holding pad 8, form two magnetic systems up and down, point
Not Wei fixed part and movable part, and the upper surface of top magnetic system and 8 upper surface of holding pad are in same level, lower part
Activity magnetic system is placed on sliding panel 18, and top magnetic system is placed in support plate 14；Push rod 5 passes through the through-hole on 8 right side of holding pad,
One end is fixed on sliding panel 18, and the other end connects idler wheel 6, and idler wheel 6 is limited in 4 slot of voussoir and moves；Voussoir 4 is fixed on down
On die holder, when the idler wheel of 5 right end of push rod moves downward or upward along 4 slot of voussoir, push rod drives activity in permanent magnet combination body 9
The part of magnetic system part moves left and right；Support spring 11 is on the unloading bolt being connected with 8 bottom surface of holding pad, support spring
The 11 main support holding pads 8 that play a part of are conducted oneself with dignity.
The present invention is not limited to this mould structure, every principle, method are identical as mentality of designing as the present invention, 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, which is characterized in that include the following steps：
Step 1：Cavity plate outer ring is fixed on upper die holder, and cavity plate outer ring lower surface is higher by the thick of slab than cavity plate lower surface
Degree；
Step 2：Several permanent magnet combination bodies are arranged in the non-depressed border area of holding pad, are divided into fixed magnetic system and activity magnetic system, and permanent magnetism group
Fit upper surface is in holding pad upper surface in same level, and lower removable magnetic system is fixed on sliding panel；
Step 3：Support spring is sleeved on the unloading bolt being connected with holding pad bottom surface, and support spring mainly plays support holding pad
The effect of dead weight；
Step:4：Voussoir is fixed on lower die holder, and push rod left end is connected across holding pad with sliding panel, and right end connects idler wheel；
Step 5：When part of the upper die comes downwards to certain position, upper mold drives holding pad to continue traveling downwardly, and idler wheel is moved along wedge groove, band
Dynamic push rod and activity magnetic system are moved to the left, and permanent magnet combination body is made to generate magnetic attraction with cavity plate outer ring, and slab is crushed on cavity plate and pressure
Between flitch, when pressure-pad-force reaches certain value, drawing process starts；
Step 6：After drawing, part of the upper die returns, and under the action of magnetic attraction, cavity plate outer ring drives holding pad upward together
Mobile, idler wheel is moved along wedge groove, is moved right to least significant with push rod and mobile magnetic system, permanent magnet combination body with outside cavity plate
Magnetic attraction between circle is close to 0, at this point, holding pad stops uplink under the effect of contraction of unloading bolt, with cavity plate outer ring point
From.
2. a kind of permanent magnetism pressing method for drawing and forming as described in claim 1, which is characterized in that in step 2, institute
Several permanent magnet combination bodies are placed on the holding pad stated, and by mobile activity magnetic system, are formed between permanent magnet combination body and cavity plate outer ring
Local magnetic field, and smaller comprising the magnetic field generated at other regions including shaped region.
3. a kind of permanent magnetism pressing method for drawing and forming as described in claim 1, which is characterized in that in step 2, root
According to the difference of design maximum pressure-pad-force, the holding pad variable dimension, the size of permanent magnet combination body thereon, quantity and point
Cloth can also change.
4. a kind of permanent magnetism pressing method for drawing and forming as described in claim 1, which is characterized in that in step 4, forever
The attraction generated between magnetic assembly and cavity plate 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 as described in claim 1, which is characterized in that in step 4, change
The shape for becoming wedge groove, can be such that pressure-pad-force suffered by slab changes according to certain rules with drawing stroke.
6. a kind of permanent magnetism flange fixing installation for drawing and forming, which is characterized in that including cavity plate outer ring (3), voussoir (4), push rod
(5), idler wheel (6), holding pad (8), permanent magnet combination body (9), support spring (11), support plate (14), sliding panel (18)；Outside cavity plate
Circle (3) is fixed on by screw on upper die holder, and cavity plate outer ring (3) lower surface is higher by the thickness of one slab in cavity plate lower surface；It is pressing
Several permanent magnet combination bodies (9) are arranged in the non-depressed border area of flitch (8), form two magnetic systems, respectively fixed part and activity up and down
Part, and the upper surface of top magnetic system is in holding pad (8) upper surface in same level, lower part movement magnetic system is placed on cunning
On movable plate (18), top magnetic system is placed in support plate (14)；Push rod (5) passes through the through-hole on the right side of holding pad (8), and one end is fixed
On sliding panel (18), the other end connects idler wheel (6), and idler wheel (6) is limited in voussoir (4) slot and moves；Voussoir (4) is fixed on down
On die holder, when the idler wheel of push rod (5) right end moves downward or upward along voussoir (4) slot, push rod drives permanent magnet combination body (9)
The part of middle activity magnetic system part moves left and right；Support spring set (11) is in the unloading bolt being connected with holding pad (8) bottom surface
On, support spring (11) mainly plays a part of that holding pad (8) is supported to conduct oneself with dignity；Wherein, the flange fixing installation is using as right is wanted
It is made after asking the method described in 1 to 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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN106475471A CN106475471A (en) | 2017-03-08 |
| CN106475471B true CN106475471B (en) | 2018-10-16 |
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Families Citing this family (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 |
| CN109483929B (en) * | 2018-12-17 | 2021-04-02 | 燕山大学 | Novel double acting 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 |
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|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5851044A (en) * | 1981-09-17 | 1983-03-25 | Fuji Jikou Kk | Magnetic chuck |
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2016
- 2016-09-28 CN CN201610854785.8A patent/CN106475471B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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|---|---|
| CN106475471A (en) | 2017-03-08 |
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