CN200942598Y - Electromagnetic punch press - Google Patents
Electromagnetic punch press Download PDFInfo
- Publication number
- CN200942598Y CN200942598Y CN 200620045930 CN200620045930U CN200942598Y CN 200942598 Y CN200942598 Y CN 200942598Y CN 200620045930 CN200620045930 CN 200620045930 CN 200620045930 U CN200620045930 U CN 200620045930U CN 200942598 Y CN200942598 Y CN 200942598Y
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- solenoid
- magnet
- ram axle
- press
- axle
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Abstract
The utility model offers an electromagnetic puncher, pertaining to the electromechanical technique field. This utility model tackled the existing technical problems such as instable working performance and high press force loss. This electromagnetic puncher comprises a working platform and the vertical column. The vertical column is fixed on the working platform. The stand is fixed to the pleural region of the vertical column, while the press axle is adjustable and inserted in the stand along the vertical direction. Also, both ends of the press axis thread out the stand. The lower end thereof is fixed with the press head. The said stand is fixed with the magnetic coil, so that the press axle goes through the magnetic coil. In addition, the upper magnet and lower magnet are arranged inside the stand. The upper magnet is fixed to the press axle at the upper part of the magnetic coil, while the lower magnet is fixed to the press axle at the nether part of the magnetic coil. Meanwhile, magnetic poles between the upper magnet and the lower magnet are the same. This electromagnetic puncher boasts a high stability in use and energy-saving during the pressing.
Description
Technical field
The utility model belongs to the mechanical ﹠ electrical technology field, relates to a kind of punch press, particularly a kind of electromagnetic puncher that utilizes electromagnetic force to drive the staking punch knee-action of punch press.
Background technology
In machining, the punching of miniature parts, blanking and profiled member normally adopt punch press to process, so punch press is used very extensive.Traditional punch press is to utilize the driven by motor flywheel to rotate, and the rotation by flywheel drives ram axle and vertically moves up and down and finish press work.Because stamping press is bigger during punching press, obtain bigger stamping press, the power of motor just must be enough big, so just caused energy consumption of electrical machinery bigger, makes that the use cost of punch press is higher.At the problems referred to above, people have designed hydraulic press.But hydraulic press exists the problem of greasy dirt again, and hydraulic system also exists and safeguards inconvenient, cost problem of higher simultaneously.
Along with the development of electronics industry and in order to overcome the problems referred to above, people have designed the punch press of electromagnetic type.For example, a kind of " electromagnetic puncher " that China Patent No. 02114774.4 provides, it comprises a workbench and the frame that is positioned on the workbench, and cylindrical shell is housed on the frame, is adorning the drift main shaft that can vertically move in cylindrical shell.Be positioned at the irony axle sleeve that is being connected on the drift main shaft of cylindrical shell, inner barrel is provided with magnetic coil corresponding to irony axle sleeve place, and on the drift main shaft, be with spring, the two ends of spring act on respectively on the boss of cylindrical shell and drift main shaft sidepiece, are connected in the top that irony axle sleeve on the drift main shaft is positioned at magnetic coil under the elastic force effect of spring.In case the magnetic force that magnetic coil energising is produced just can be inhaled time irony axle sleeve, that is to say make the drift main shaft under the effect of magnetic force to moving down, thereby finish press work.In case magnetic coil outage, the elastic force effect low punch main shaft of spring will on move and return to highest order.
As can be seen, the drift main shaft in the above-mentioned electromagnetic puncher resets and realizes by spring.Because punch press spring in the course of the work is compressed continually, may weaken through the elastic force of rear spring after a while, will influence the operate as normal of electromagnetic puncher like this.Spring also can cause electromagnetic puncher to operate after damaging when situation was serious.
In addition, be subjected to stopping of spring force, will weaken the power that the drift main shaft presses down like this, that is to say that the stamping press loss of drift main shaft is bigger because the drift main shaft moves down when workpiece carried out punching press.
Summary of the invention
The purpose of this utility model is to provide a kind of electromagnetic puncher at existing in prior technology the problems referred to above, and it is big to make it have a stamping press, the characteristics that job stability is high.
The purpose of this utility model can realize by following technical proposal: a kind of electromagnetic puncher, it comprises workbench, be vertically fixed on the column on the workbench, the sidepiece of the column support that is being connected, the two ends that vertically wearing ram axle and ram axle in the support versatilely pass support, the lower end of the ram axle staking punch that is being connected, it is characterized in that, be fixed with solenoid in the described support, above-mentioned ram axle passes solenoid, also is provided with upper magnet and lower magnet in the support, and upper magnet is connected on the ram axle on solenoid top, lower magnet is connected on the ram axle of solenoid bottom, and the upper magnet magnetic pole adjacent with lower magnet is identical.
Because the upper magnet magnetic pole adjacent with lower magnet be identical, therefore, the solenoid energising just can be passed through the magnetic force that produced and upper magnet or lower magnet and be pulled together, and repels another magnet.That is to say that ram axle moves down after solenoid and the upper magnet adhesive, move on the ram axle after solenoid and the lower magnet adhesive.
Particularly, the workpiece that is stamped is placed on the workbench, and after solenoid and the upper magnet adhesive, lower magnet is ostracised, and ram axle moves down and by the staking punch on it workpiece carried out punching press in this process.Change the magnetic pole of solenoid after the workpiece punching press is finished by control circuit, make solenoid and lower magnet adhesive and make on the ram axle and move, the staking punch on the ram axle breaks away from the workbench place.
In above-mentioned electromagnetic puncher, two terminals of described solenoid are connected in the punch control circuit that can control its sense of current.Punch control circuit changes the polarity of solenoid, thereby holds one of them in upper magnet or the lower magnet and repel another by its sense of current by solenoid of control, and ram axle is moved up or down.Therefore, the periodic variation sense of current just can reach the purpose that ram axle is moved up and down repeatedly.
Move up and down in the process for fear of ram axle and to contact with solenoid and produce wearing and tearing and reach purpose the solenoid location, in above-mentioned electromagnetic puncher, the coil holder of a magnetic conduction is being connected on the described support, the solenoid solderless wrapped connection is on this coil holder, and above-mentioned ram axle passes this coil holder versatilely.
In above-mentioned electromagnetic puncher, be equipped with buffer gear between described upper magnet and lower magnet and the solenoid.Upper and lower magnet can be apace to the solenoid closing after being subjected to the magnetic attraction of solenoid, buffer gear is set just can avoids upper and lower magnet directly to impinge upon on the solenoid and cause upper and lower magnet to damage, also can weaken the impulse force that impinges upon on the solenoid by this mechanism certainly.
In above-mentioned electromagnetic puncher, described buffer gear is protection soft iron and the buffering spacer that is located at upper magnet or lower magnet end, and described protection soft iron is located between magnet and the buffering spacer.The protection soft iron can avoid upper and lower magnet directly to impinge upon on the solenoid, and such structure plays a protective role to upper and lower magnet it can not damaged; Can reduce the impulse force of upper and lower magnet in solenoid closing process under the effect of buffering spacer.
In above-mentioned electromagnetic puncher, be provided with the detent mechanism that ram axle circumferentially can be located between described support and the ram axle.Clearly, make ram axle can not rotate by this detent mechanism, thereby make the staking punch that is connected on the ram axle can not rotate, avoid stamping out underproof workpiece because of staking punch rotates along its axle center.
In above-mentioned electromagnetic puncher, described detent mechanism is the convex body that is square on the ram axle, have the pilot hole that is complementary with this convex body shape on the described support, and convex body is positioned at pilot hole.
Compared with prior art, this electromagnetic puncher is to utilize magnetic force that solenoid produced after the energising and upper magnet or lower magnet to be pulled together, control the sense of current that it feeds solenoid by punch control circuit again, move thereby ram axle is reciprocally moved up and down and drive staking punch, finally finish press work.As can be seen, as long as the solenoid energising just can hold upper magnet or lower magnet and drive the ram axle motion, so its stability in use is higher.
Simultaneously, solenoid will repel mutually with another magnet during with one of them magnet adhesive, magnetic force when that is to say solenoid with the upper magnet adhesive between lower magnet and the solenoid repels mutually, make and be subjected to three power effects in the ram axle folding process, it is respectively the repulsive force of magnetic attraction, lower magnet and the solenoid of self gravitation, upper magnet and solenoid, and these three power all make ram axle move down.In like manner, solenoid during with the lower magnet adhesive magnetic force between upper magnet and the solenoid repel mutually, the magnetic force between these two magnets and the solenoid all makes and moves on the ram axle.Therefore, its energy loss in the stamped workpieces process is less, makes staking punch have bigger stamping press.
Description of drawings
Fig. 1 is the structural representation of this electromagnetic puncher.
Fig. 2 is the A-A cutaway view along Fig. 1.
Fig. 3 is the structural representation at ram axle and solenoid place in this electromagnetic puncher.
Among the figure, 1, workbench; 2, column; 3, support; 3a, pilot hole; 4, solenoid; 4a, coil holder; 5, ram axle; 6, staking punch; 7, upper magnet; 8, lower magnet; 9, convex body; 10, protection soft iron; 11, buffering spacer.
The specific embodiment
As shown in Figure 1, this electromagnetic puncher is used for the workpiece of stamped metal material, and it comprises workbench 1, column 2, support 3, solenoid 4, ram axle 5, staking punch 6, upper magnet 7 and lower magnet 8 etc.
Staking punch 6 is connected in the lower end of ram axle 5, and workbench 1 is positioned at the bottom of staking punch 6, and column 2 is installed on the workbench 1, and support 3 is connected in the sidepiece of column 2.Ram axle 5 vertical being installed on the support 3, and the two ends of ram axle 5 all pass support 3.In the present embodiment, support 3 is provided with pilot hole 3a, and above-mentioned ram axle 5 is positioned at pilot hole 3a, and pilot hole 3a place is provided with can be to the detent mechanism of ram axle 5 circumferential location; Detent mechanism is convex body 9 on the ram axle 5 that is connected, and convex body 9 is the water chestnut column, and the shape of pilot hole 3a and convex body 9 are complementary.Obviously, the convex body 9 that is positioned at pilot hole 3a just can play the purpose of circumferential location to ram axle 5, makes it can not rotate around its axle center, sees shown in Figure 2.
As shown in figures 1 and 3, the coil holder 4a that is being connected in the support 3, coil holder 4a is made by permeability magnetic material, as: iron.Above-mentioned solenoid 4 solderless wrapped connections are on this coil holder 4a, and above-mentioned ram axle 5 is located in the coil holder 4a versatilely.Solenoid 4 has two terminals, and these two terminals link to each other with a punch control circuit, and punch control circuit can be controlled the sense of current that enters solenoid 4, and punch control circuit also can be controlled the size of current that enters solenoid 4 places.As can be seen, in case change has taken place the sense of current that feeds in the solenoid 4, the electromagnetic wire direction that it produced has just changed, and the control of size of current can change the size of electromagnetic force.
Above-mentioned upper magnet 7 and lower magnet 8 all are positioned at support 3, and upper magnet 7 is connected in ram axle 5 places on solenoid 4 tops, and lower magnet 8 is connected in ram axle 5 places of solenoid 4 bottoms, and upper magnet 7 and lower magnet 8 identical magnetic poles are provided with in opposite directions.
As shown in Figure 1, during solenoid 4 no powers, upper magnet 7 closings are on the top of coil holder 4a, and the staking punch 6 on the ram axle 5 is in lowest order at this moment.When needing to use this electromagnetic puncher stamped workpieces, the operation punch control circuit makes solenoid 4 energisings and produces electromagnetic force, solenoid 4 is different with the magnetic pole of lower magnet 8 and identical with the magnetic pole of upper magnet 7, can make solenoid 4 and lower magnet 8 be pulled together by this electromagnetic force this moment, makes to move on the ram axle 5 and staking punch 6 on it shifts out from workbench 1.Then, workpiece is placed on the workbench 1, punch control circuit makes the current reversal that enters solenoid 4 places, solenoid 4 is different with the magnetic pole of upper magnet 7 and identical with the magnetic pole of lower magnet 8, can make solenoid 4 and upper magnet 7 be pulled together by this electromagnetic force this moment, make ram axle 5 move down and staking punch 6 on it is pressed to the workpiece at workbench 1 place, thereby finish press work.Changing the size of current that enters solenoid 4 places by punch control circuit when certainly, the stamping press of needs adjusting staking punch 6 is big or small can realize.
In addition, for service life of increasing this electromagnetic puncher and it can stably be worked, be equipped with buffer gear between upper magnet 7 and the coil holder 4a and between lower magnet 8 and the coil holder 4a.Buffer gear is protection soft iron 10 and the buffering spacer 11 that is arranged on upper magnet 7 and lower magnet 8 ends, wherein protects soft iron 10 and is located between upper and lower magnet 7,8 and the buffering spacer 11.
Claims (7)
1, a kind of electromagnetic puncher, it comprises workbench (1), be vertically fixed on the column (2) on the workbench (1), the sidepiece of column (2) support (3) that is being connected, the two ends that vertically wearing ram axle (5) and ram axle (5) in the support (3) versatilely pass support (3), the lower end of ram axle (5) staking punch (6) that is being connected, it is characterized in that, be fixed with solenoid (4) in the described support (3), above-mentioned ram axle (5) passes solenoid (4), also be provided with upper magnet (7) and lower magnet (8) in the support (3), upper magnet (7) is connected on the ram axle (5) on solenoid (4) top, lower magnet (8) is connected on the ram axle (5) of solenoid (4) bottom, and upper magnet (7) is identical with the adjacent magnetic pole of lower magnet (8).
2, electromagnetic puncher according to claim 1 is characterized in that, two terminals of described solenoid (4) are connected in the punch control circuit that can control its sense of current.
3, electromagnetic puncher according to claim 1 and 2, it is characterized in that, be connected on the described support (3) coil holder (4a) of a magnetic conduction, solenoid (4) solderless wrapped connection is on this coil holder (4a), and above-mentioned ram axle (5) passes this coil holder (4a) versatilely.
4, electromagnetic puncher according to claim 3 is characterized in that, is equipped with buffer gear between described upper magnet (7) and lower magnet (8) and the solenoid (4).
5, electromagnetic puncher according to claim 4, it is characterized in that, described buffer gear is for being located at the protection soft iron (10) and the buffering spacer (11) of upper magnet (7) or lower magnet (8) end, and described protection soft iron (10) is located between magnet (7,8) and the buffering spacer (10).
6, electromagnetic puncher according to claim 3 is characterized in that, is provided with the detent mechanism that ram axle (5) circumferentially can be located between described support (3) and the ram axle (5).
7, electromagnetic puncher according to claim 6, it is characterized in that, described detent mechanism is the convex body that is square (9) on the ram axle (5), have the pilot hole (3a) that is complementary with this convex body (9) shape on the described support (3), and convex body (9) is positioned at pilot hole (3a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045930 CN200942598Y (en) | 2006-09-18 | 2006-09-18 | Electromagnetic punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045930 CN200942598Y (en) | 2006-09-18 | 2006-09-18 | Electromagnetic punch press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200942598Y true CN200942598Y (en) | 2007-09-05 |
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ID=38717226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620045930 Expired - Fee Related CN200942598Y (en) | 2006-09-18 | 2006-09-18 | Electromagnetic punch press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200942598Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582102A (en) * | 2012-02-24 | 2012-07-18 | 苏州大学 | Permanent-magnet assisted electromagnetic punching machine |
| CN107582176A (en) * | 2017-08-29 | 2018-01-16 | 苏州科技城医院 | Operating room practicality single armed tower crane |
-
2006
- 2006-09-18 CN CN 200620045930 patent/CN200942598Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582102A (en) * | 2012-02-24 | 2012-07-18 | 苏州大学 | Permanent-magnet assisted electromagnetic punching machine |
| CN102582102B (en) * | 2012-02-24 | 2015-09-23 | 苏州大学 | permanent-magnet assisted electromagnetic punching machine |
| CN107582176A (en) * | 2017-08-29 | 2018-01-16 | 苏州科技城医院 | Operating room practicality single armed tower crane |
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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: 20070905 Termination date: 20110918 |