CN2797016Y - Permanent magnet punching machine - Google Patents
Permanent magnet punching machine Download PDFInfo
- Publication number
- CN2797016Y CN2797016Y CN200520023035.3U CN200520023035U CN2797016Y CN 2797016 Y CN2797016 Y CN 2797016Y CN 200520023035 U CN200520023035 U CN 200520023035U CN 2797016 Y CN2797016 Y CN 2797016Y
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- armature
- drift
- yoke
- punching machine
- 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.)
- Expired - Fee Related
Links
- 238000004080 punching Methods 0.000 title claims abstract description 28
- 230000005389 magnetism Effects 0.000 claims description 26
- 230000005672 electromagnetic field Effects 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 description 18
- 230000002153 concerted effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/42—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by magnetic means, e.g. electromagnetic
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Electromagnets (AREA)
Abstract
The utility model provides a permanent-magnet punching machine, which comprises a punch and an electromagnetic drive mechanism which can lead the punch to move in a reciprocating mode, wherein a magnetic loop composed of a yoke and an armature is arranged in the electromagnetic drive mechanism and the armature is fixedly connected with the punch. The utility model is characterized in that a permanent magnet is arranged on the magnetic loop, wherein the permanent magnet can produce downward attracting force to the armature. The technical problems of big input power, big power consumption, complicated control system, etc. of the public known electromagnetic punching machines are solved.
Description
Technical field
The utility model relates to a kind of punch press, particularly relates to the permanent magnet punching machine that adopts permanent-magnetism electromagnetic mechanism.
Background technology
Along with the development of electronics industry, the arrival of information age, traditional mechanical punch is not had greasy dirt, clean and electromagnetic type punch press that frequency is higher replaces, and Fig. 1 is the structural representation of known electromagnetic type punch press.As shown in Figure 1, electromagnetic mechanism is arranged on the frame, and this electromagnetic mechanism is made up of yoke, solenoid, bobbin and the armature that has a non-magnetic drift.Armature links to each other with the guide pin bushing plate, and the guide pin bushing plate can be made upper and lower back and forth movement in guide pillar.Its operation principle is: when feeding electric current to solenoid, armature is subjected to the effect of electromagnetism drive and moves downward, and compresses spring simultaneously.At this moment, the downward electromagnetism drive F that is subjected to of armature
AWith punch systems from gravity G sum greater than spring resistance F
2, so drift has downward impulse force F
3, form the impulse force punch press.After the solenoid outage, the downward electromagnetism drive F that armature is subjected to
A=0, spring resistance F
2To promote the guide pin bushing sheet reset, up to spring resistance F
2Equal punch systems from gravity G.In the said process, the main active force of armature can be expressed as:
During energising work:
Drift impulse force F
3=electromagnetism drive F
A+ drift is from gravity G-spring resistance F
2(1)
When outage is replied:
Drift restoring force F
4=spring resistance F
2-drift is from gravity G (2)
From above-mentioned operation principle as can be known, when increasing the impulse force of drift as needs, can only adopt increases electromagnetism drive F
AMethod, promptly increase the input current of solenoid.But improve input power system power dissipation is increased, and its control system complexity will be increased, system architecture increases, and causes manufacturing, operating cost to strengthen.
The utility model content
The purpose of this utility model provides a kind of permanent magnet punching machine, solves big, the technical problems such as power consumption is big, control system complexity of known electromagnetic type punch press input power.
Technical conceive of the present utility model is:
The utility model is the permanent magnet punching machine of a kind of permanent-magnetism electromagnetic mechanism, by the solenoid of permanent magnet and the positive and negative electromagnetic field of generation is set on the magnetic loop of yoke and armature, make impulse force that drift moves downward and the restoring force that moves upward obtain simultaneously increasing, realize a kind of low in energy consumption, control system simply, at utmost reduce make, the technical scheme of the permanent magnet punching machine of operating cost.
The technical solution of the utility model is:
A kind of permanent magnet punching machine, comprise drift and drift done the electromagnetic drive mechanism that pumps, has the magnetic loop that yoke and armature constitute in the described electromagnetic drive mechanism, described armature is fixedlyed connected with described drift, it is characterized in that: described magnetic loop is provided with the permanent magnet that described armature is produced downward suction.
Described electromagnetic drive mechanism is set up the control device that alternately feeds forward current and reversing the current, the electromagnetic field of forward current to the electromagnetic force of described armature and described permanent magnet in the same way to the permanent magnetism power of described armature, the electromagnetic field of reversing the current is reverse to the permanent magnetism power of described armature to the electromagnetic force and the described permanent magnet of described armature.
Described permanent magnet is an annular permanent magnet, and the cross section of its circulus and described yoke is suitable.
Described annular permanent magnet becomes the embedded toroidal structure with the perpendicular wall of described yoke.
Described embedded toroidal structure is near the position of described yoke bottom surface.
Described electromagnetic drive mechanism is a solenoid, is arranged between yoke and the armature.
The upper surface of described armature is connected with spring reverse motion, and this spring reverse motion comprises the left and right guide pillar that is set with back-moving spring and guide pin bushing plate, and described armature is fixedlyed connected with described guide pin bushing plate.
Described guide pillar upper and lower end is respectively arranged with limiting plate and end plate, and described end plate is arranged on the upper end of described yoke, and described end plate and yoke bottom surface are equipped with the through hole that passes for described drift.
Described drift is the 1Cr18Ni9Ti goods.
Described yoke is the A3 material product.
Technique effect of the present utility model is:
The utility model permanent magnet punching machine has scientifically proposed the permanent magnet punching machine of a kind of permanent-magnetism electromagnetic mechanism, by the permanent magnet that all the time described armature is produced permanent magnetism suction is set on the magnetic loop of yoke and armature, impulse force when drift is moved downward increases, by the solenoid that produces positive and negative electromagnetic field is set, the restoring force when drift is moved upward also obtains increasing simultaneously.The utility model permanent magnet punching machine is compared with known electromagnetic type punch press, has:
(1) momentum to workpiece increases
Under identical input power situation, drive the increase of making a concerted effort that drift moves downward, its impulsive force is increased, making a concerted effort to increase the speed that drift is moved downward increases, and two aspects all make its momentum increase;
(2) frequency of impact improves
Under identical stroke situation and since drive the upper and lower motion of drift make a concerted effort increase, make its upwards, downward movement velocity increases, and realizes that the time of impacting bout shortens, and improved frequency of impact.
(3) Overall Power Consumption is little, and the complexity of control system reduces
Under identical impulse force situation, the utility model can reduce to feed the electric current of solenoid significantly.
In the utility model preferred version, it is a half of former solenoid magnetic field intensity that the magnetic field intensity that permanent magnet produces is set, and can realize identical impulse force, and the feeding electric current of solenoid can reduce 50%.This has reduced system power dissipation on the one hand, and the complexity of control system is reduced significantly, reduces machine volume, has farthest reduced manufacturing, operating cost.
Description of drawings
Fig. 1 is the structural representation of known electromagnetic type punch press.
Fig. 2 is the structural representation of the utility model permanent magnet punching machine.
Mark lists as follows among the figure:
The 1-frame; The 2-yoke; 3-drift main shaft; The 4-back-moving spring; The 5-solenoid; The 6-guide pillar; The 7-limiting plate; The 8-permanent magnet; The 9-end plate; The 31-drift; 32-armature; 33-guide pin bushing plate
The specific embodiment
Describe the technical solution of the utility model in detail below in conjunction with accompanying drawing.
Fig. 2 is the structural representation of the utility model permanent magnet punching machine.As shown in Figure 2, the utility model permanent magnet punching machine comprises frame 1, yoke 2, end plate 9, guide pillar 6 and the limiting plate 7 that connects successively, also comprise the drift main shaft 3 that runs through yoke 2, described drift main shaft 3 is made up of the drift 31, armature 32 and the guide pin bushing plate 33 that connect successively.Be equipped with the through hole that passes for drift main shaft 3 on end plate 9, yoke 2 bottom surfaces and the support 1.The solenoid 5 that generates an electromagnetic field is arranged in the annular space between yoke 2 inwalls and the drift main shaft 3, the electromagnetic field of its generation produces the electromagnetism drive to armature 32, make yoke 2 and armature 32 form magnetic loop, in described through hole, move up and down thereby drive drift main shaft 3.Be set with back-moving spring 4 and guide pin bushing plate 33 on the left and right guide pillar 6, back-moving spring 4 two ends are connected with end plate 9 with guide pin bushing plate 33 respectively.The spring resistance effect that can make progress by back-moving spring 4 along the guide pin bushing plate 33 that guide pillar 6 does to pump.
The utility model also is provided with permanent magnet 8 on the magnetic loop of yoke 2 and armature 32, these permanent magnet 8 formed magnetic circuits produce downward permanent magnetism suction to armature 32 all the time, and are opposite with described spring resistance direction.
In the present embodiment, described permanent magnet 8 is an annular permanent magnet, becomes the embedded toroidal structure with yoke 2 perpendicular walls.Preferred scheme is that annular permanent magnet is arranged on yoke 2 perpendicular walls near basal surface position.This version can make 8 pairs of armature 32 of permanent magnet apply downward permanent magnetism suction all the time on the one hand, on the other hand can be when drift main shaft 3 moves downward, the permanent magnetism suction of 8 pairs of armature 32 of permanent magnet is strengthened gradually, increase impulsive force, and when drift main shaft 3 moves upward, the permanent magnetism suction of 8 pairs of armature 32 of permanent magnet is reduced gradually, increase restoring force.
The utility model has scientifically carried out the design of solenoid 5 by the pulse current direction simultaneously.In the present embodiment, the pulse current that solenoid 5 passes through is a forward and reverse, produces forward and reverse electromagnetic field respectively, and armature 32 is applied the identical electromagnetism drive opposite with direction with described permanent magnetism suction direction respectively.When solenoid 5 passed through forward current, armature 32 was subjected to downward electromagnetism drive, and the permanent magnetism suction direction that is subjected to armature 32 is identical, and the two acting in conjunction makes armature 32 drive drift main shafts 3 and moves downward, and forms impulse force.When solenoid 5 during by reversing the current, armature 32 is subjected to electromagnetism drive upwards, and the spring resistance direction that is subjected to drift main shaft 3 is identical, and the two acting in conjunction moves upward drift main shaft 3, and is returned to and opens the beginning position.Owing to set the electromagnetism drive greater than permanent magnetism suction in design, therefore in drift main shaft 3 reseting procedures, electromagnetism drive has upwards not only overcome downward permanent magnetism suction, and overcome the gravity of a part of drift main shaft 3, make drift main shaft 3 can be returned to maximum travel position, help drift main shaft 3 and produce bigger impulse force.
In the present embodiment, frame 1 adopts cast iron materials to make, and drift 31 adopts the 1Cr18Ni9Ti goods, and yoke 2 adopts A
3Material makes yoke 2 and armature 32 constitute magnetic loop.In the actual design, permanent magnet 8 both can be fixed on the yoke 2 perpendicular wall surfaces, also can embed in the perpendicular wall of yoke 2.
The course of work of the present utility model is described below:
When non-operating state, drift main shaft 3 is in the stroke peak under the effect of back-moving spring 4, and at this moment, the drift main shaft is from gravity G and spring resistance F
2Equate.
When solenoid 5 fed forward current, armature 32 was subjected to downward electromagnetism drive effect, drove drift main shaft 3 and moved downward, simultaneously compression reseting spring 4.At this moment, drift main shaft 3 is subjected to downward power and comprises electromagnetism drive F
A, the drift main shaft is from gravity G and permanent magnetism suction F
B, and the power upwards that is subjected to only is spring resistance F
2Above-mentioned downward electromagnetism drive F
A, the drift main shaft is from gravity G and permanent magnetism suction F
BSum is greater than the spring resistance F that makes progress
2, drift main shaft 3 is moved downward by force action, and forms downward impulse force F
3, be converted into momentum with whole kinetic energy to workpiece, finish the processing of 31 pairs of workpiece of drift.
When solenoid 5 feeds reversing the current, because solenoid produces electromagnetism drive F to armature 32
AWith permanent magnetism suction F
BOppositely, thus drift main shaft 3 be subjected to downward power only for the drift main shaft from gravity G and permanent magnetism suction F
B, and the power upwards that is subjected to becomes electromagnetism drive F
AWith spring resistance F
2, the above-mentioned electromagnetism drive F that makes progress
AWith spring resistance F
2Sum greater than downward drift main shaft from gravity G and permanent magnetism suction F
BSum, drift main shaft 3 is moved upward by force action, up to the electromagnetism drive F that makes progress
AWith spring resistance F
2Sum equals downward drift main shaft from gravity G and permanent magnetism suction F
BSum.Said process can be expressed as:
During non-operating state:
The drift main shaft is from gravity G=spring resistance F
2(3)
Solenoid feeds forward current, when drift main shaft 3 impacts downwards:
Drift main shaft impulse force F
3=electromagnetism drive F
A+ permanent magnetism suction F
B+ drift is from gravity G-spring resistance F
2(4)
Solenoid feeds reversing the current, when drift main shaft 3 upwards resets:
Drift main shaft restoring force F
4=spring resistance F
2+ electromagnetism drive F
A-drift is from gravity G-permanent magnetism suction F
B(5)
Relatively formula (1) and (4), (2) and (5) can obviously be found out, because the utility model is provided with the permanent magnet 8 that all the time armature 32 is produced downward permanent magnetism suction, the impulse force F when drift main shaft 3 is moved downward
3Increase, feed reversing the current, the restoring force F when drift main shaft 3 is moved upward because the utility model has designed to solenoid 5 again
4Increase.Therefore, the utility model permanent magnet punching machine is compared with known electromagnetic type punch press, has:
(4) momentum to workpiece increases
Under identical input power situation, drive the increase of making a concerted effort that drift main shaft 3 moves downward, its impulsive force is increased, making a concerted effort to increase the speed that drift main shaft 3 is moved downward increases, and two aspects all make its momentum increase;
(5) frequency of impact improves
Under identical stroke situation and since drive the 3 upper and lower motions of drift main shaft make a concerted effort increase, make its upwards, downward movement velocity increases, and realizes that the time of impacting bout shortens, and improved operating frequency.
(6) Overall Power Consumption is little, and the complexity of control system reduces
Under identical impulse force situation, the utility model can reduce to feed the electric current of solenoid 5 significantly, and this has reduced the power consumption of solenoid 5 on the one hand, and the complexity of control system is reduced significantly, reduce machine volume, farthest reduced manufacturing, operating cost.
Debug results shows, when the magnetic field intensity that described permanent magnet is set is described solenoid magnetic field intensity
The time, i.e. the permanent magnetism suction that produced of permanent magnet 8
Electromagnetism drive F
AThe time, the electric current that feeds solenoid 5 can reduce 50%.Under this function of current, the electromagnetism drive that solenoid 5 is produced
Electromagnetism drive F
A=permanent magnetism suction F
BTherefore formula (4), (5) become:
Drift main shaft impulse force F
3=electromagnetism drive F
A+ permanent magnetism suction F
B+ drift is from gravity G-spring resistance F
2
=electromagnetism drive F
A+ drift is from gravity G-spring resistance F
2(6)
Drift main shaft restoring force F
4=spring resistance F
2+ electromagnetism drive F
A'-drift is from gravity G+ permanent magnetism suction F
B
=spring resistance F
2-drift is from gravity G (7)
Obviously, formula (6), (7) and formula (1), (2) are identical, and promptly the utility model permanent magnet punching machine only needs a half-power of known electromagnetic type punch press can reach equal momentum.
When the magnetic field intensity that permanent magnet is set is respectively described solenoid magnetic field intensity
Or
The time, can satisfy permanent magnet punching machine to requirements such as momentum, stroke or frequency of impacts.
Be the explanation of the utility model specific embodiment only below, in any form the utility model do not made restriction.Should be pointed out that for a person skilled in the art, can also make a lot of relevant distortion and improvement according to guiding theory of the present utility model, but these all will fall into protection domain of the present utility model.
Claims (10)
1. permanent magnet punching machine, comprise drift and drift done the electromagnetic drive mechanism that pumps, has the magnetic loop that yoke and armature constitute in the described electromagnetic drive mechanism, described armature is fixedlyed connected with described drift, it is characterized in that: described magnetic loop is provided with the permanent magnet that described armature is produced downward suction.
2. permanent magnet punching machine as claimed in claim 1, it is characterized in that: described electromagnetic drive mechanism is set up the control device that alternately feeds forward current and reversing the current, the electromagnetic field of forward current to the electromagnetic force of described armature and described permanent magnet in the same way to the permanent magnetism power of described armature, the electromagnetic field of reversing the current is reverse to the permanent magnetism power of described armature to the electromagnetic force and the described permanent magnet of described armature.
3. permanent magnet punching machine as claimed in claim 1 or 2 is characterized in that: described permanent magnet is an annular permanent magnet, and the cross section of its circulus and described yoke is suitable.
4. permanent magnet punching machine as claimed in claim 3 is characterized in that: described annular permanent magnet becomes the embedded toroidal structure with the perpendicular wall of described yoke.
5. permanent magnet punching machine as claimed in claim 4 is characterized in that: described embedded toroidal structure is near the position of described yoke bottom surface.
6. permanent magnet punching machine as claimed in claim 1 or 2 is characterized in that: described electromagnetic drive mechanism is a solenoid, is arranged between yoke and the armature.
7. permanent magnet punching machine as claimed in claim 1, it is characterized in that: the upper surface of described armature is connected with spring reverse motion, this spring reverse motion comprises the left and right guide pillar that is set with back-moving spring and guide pin bushing plate, and described armature is fixedlyed connected with described guide pin bushing plate.
8. permanent magnet punching machine as claimed in claim 7 is characterized in that: described guide pillar upper and lower end is respectively arranged with limiting plate and end plate, and described end plate is arranged on the upper end of described yoke, and described end plate and yoke bottom surface are equipped with the through hole that passes for described drift.
9. as claim 1 or 8 described permanent magnet punching machines, it is characterized in that: described drift is the 1Cr18Ni9Ti goods.
10. as claim 1,4,5,6 or 8 described permanent magnet punching machines, it is characterized in that: described yoke is the A3 material product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520023035.3U CN2797016Y (en) | 2005-06-20 | 2005-06-20 | Permanent magnet punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520023035.3U CN2797016Y (en) | 2005-06-20 | 2005-06-20 | Permanent magnet punching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2797016Y true CN2797016Y (en) | 2006-07-19 |
Family
ID=36868252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200520023035.3U Expired - Fee Related CN2797016Y (en) | 2005-06-20 | 2005-06-20 | Permanent magnet punching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2797016Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248693A (en) * | 2011-05-30 | 2011-11-23 | 华中科技大学 | Electromagnetic drive forming method and device |
| CN103448270A (en) * | 2013-08-09 | 2013-12-18 | 苏州源电科技有限公司 | Intelligent-type electromagnetic-power punching machine |
-
2005
- 2005-06-20 CN CN200520023035.3U patent/CN2797016Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248693A (en) * | 2011-05-30 | 2011-11-23 | 华中科技大学 | Electromagnetic drive forming method and device |
| CN102248693B (en) * | 2011-05-30 | 2014-09-24 | 华中科技大学 | Electromagnetic drive forming method and device |
| CN103448270A (en) * | 2013-08-09 | 2013-12-18 | 苏州源电科技有限公司 | Intelligent-type electromagnetic-power punching machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060719 Termination date: 20110620 |