CN208321737U - A kind of electromagnetism flanging drawing experiments device - Google Patents
A kind of electromagnetism flanging drawing experiments device Download PDFInfo
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- CN208321737U CN208321737U CN201820489912.3U CN201820489912U CN208321737U CN 208321737 U CN208321737 U CN 208321737U CN 201820489912 U CN201820489912 U CN 201820489912U CN 208321737 U CN208321737 U CN 208321737U
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- electromagnetism
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Abstract
The utility model discloses a kind of electromagnetism flanging drawing experiments devices, including device positioning and retention mechanism, electromagnetism flanging setup for drawing parts and match power supply and controller.For fixed block in universal testing machine work top groove, pressing plate is placed in cushion block and bottom plate top, and four fastenings are integral by holding screw.Cavity plate and fixed ring are anchored on device bottom plate by holding screw, and the two is clearance fit.Ejecting mechanism is installed, plate position line is decorated in fixed ring upper surface in cavity plate groove.Magnet exciting coil is wound in fixed ring groove.The processing of magnetic ring lower end surface is fluted to be cooperated with blank holder, and is integral the two fastening by holding screw.Punch-pin and calibrating block handle are threaded hole, so that it is anchored on upper die holder with holding screw cooperation.The utility model electromagnetism flanging drawing experiments device can determine drawing part limit drawing coefficient by changing blank diameter, and experimental rig structure is simple, exportable flexibility and changeability electromagnetic force, safe and reliable.
Description
Technical field
It is the utility model relates to a kind of electromagnetism flanging drawing experiments device, in particular to a kind of suitable for thin-sheet metal drawing
Electromagnetism flanging drawing experiments device.
Background technique
In the drawing process of thin-sheet metal, the outer rim of blank flange is easy due to the effect by larger circumferential compressive force
It wrinkles, generally requires to apply the corrugated generation of pressure-pad-force inhibition in flange section.Traditional flange fixing installation is divided into mechanically
With two class of fluid pressure type.Mechanical flanging generally uses spring, rubber pad and nitrogen cylinder, and fluid pressure type flanging is generated often through piston
Fluid pressure carry out flanging.Often costly, provided pressure-pad-force generally can not be flexible for traditional flange fixing installation price
It adjusts.For the defect for solving traditional flanging mode, electromagnetism crimping technique is proposed, and answered in electro-magnetic forming field
With.Current application of the electromagnetism crimping technique in the drawing field of thin-sheet metal is the mechanical and form of electromagnetism mixing flanging mostly,
Higher cost, structure is complex, and detachability can be poor, and pressure-pad-force can not be accomplished flexibly accurately due to the effect of mechanical force
Control.For the problem of implementation for solving the electromagnetism flanging setup for drawing parts that pressure-pad-force is accurately controlled by electromagnetic force, the present inventor once applied
One key name is the patent of invention (Shen Qing Publication of " a kind of detachable electromagnetic flanging cupping tool and its kiss gating-feeder method "
Number: 107716723 A of CN), where it is proposed a kind of practical molds, for producing in enormous quantities.
Summary of the invention
(1) purpose of utility model
The purpose of this utility model is to provide for a kind of thin-sheet metal drawing examination that pressure-pad-force is provided by electromagnetic force merely
Electromagnetism flanging drawing technology is moved jump to specific examination by theoretical and preliminary structural framing by the specific embodiment of experiment device
Experiment device.
The purpose of this utility model is achieved through the following technical solutions:
(2) technical solution
A kind of electromagnetism flanging drawing experiments device, package unit include punch-pin, cavity plate, magnetic ring, magnet exciting coil, fixation
Ring, cavity plate, socket cap screw, cushion block, fixed block, pressing plate, bottom plate, gasket, cylindroid helical-coil compression spring, pusher plate etc.
Part；Electromagnetism flanging drawing experiments device is installed on universal testing machine；The upper die holder of universal testing machine is in disk
Shape, lower die holder are the workbench for being machined with long straight dovetail groove；Electromagnetism flange fixing installation uses positive assembling structure, and upper, cavity plate exists punch-pin
Under；Socket cap screw is screwed in upper die holder to fasten the two with complete with the threaded hole of upper die holder axis perpendicular to punch-pin
The fixation of pairs of punch-pin；Cavity plate is fixed on bottom plate by socket cap screw, and fixed ring is by the circle by certain angle distribution
Column cap soket head cap screw is fixed on bottom plate；Certain thickness gasket is provided between fixed ring and bottom plate, to change working gas gap
Size；Matching between fixed ring and cavity plate is combined into clearance fit；Magnet exciting coil is recessed by the annular that epoxy resin is encapsulated in fixed ring
In slot, and it be furnished with corresponding power supply and controller.Magnetic ring is connected as with blank holder with 6 uniformly distributed socket cap screws
One entirety；Spring ejecting mechanism in cavity plate upper circular groove is made of cylindroid helical-coil compression spring and pusher plate；2 circles
Cushion block, pressing plate and bottom plate are connected as an entirety to complete the fastening to bottom plate by column cap soket head cap screw.
For device bottom plate and the fastening of universal testing machine workbench to be integral, design cross section is trapezoidal fixation
Block is in the trapezoidal groove of universal testing machine work top, and fixed block is threaded hole, and 2 fixed blocks are embedded in omnipotent
In the trapezoidal groove of testing of materials machine worktable, pressing plate is placed in the upper surface of cushion block and bottom plate, and by hexagonal in socket cap
Four fastenings are integral by screw.
The blank holder, is made of mould steel, is evenly equipped with threaded hole thereon to cooperate with magnetic ring.
The magnetic ring is made of the biggish steel of magnetic conductivity.The upper surface of magnetic ring is machined with cylinder boss, cylinder
The center of boss is machined with through-hole, the guiding to punch displacement.The circumferential direction of magnetic ring is evenly equipped with threaded hole, and its lower end surface adds
Work has circular groove, it is connected as an entirety with blank holder by socket cap screw.
The fixed ring is made of the higher steel of magnetic conductivity.Upper part is machined with annular groove, to place excitation wire
Circle；It is decorated with the position line of plate in the inner ring upper surface of fixed ring.
The magnet exciting coil is formed by the uniform coiling of aluminum steel, and is encapsulated in the annular groove of fixed ring by epoxy resin
It is interior.
The utility model includes device positioning and retention mechanism, electromagnetism flanging setup for drawing parts and the power supply and control to match
Device.Device positioning and retention mechanism are made of bottom plate, backing plate, pressing plate and cylinder soket head cap screw etc.；Electromagnetism flanging setup for drawing parts
It is made of punch-pin, cavity plate, blank holder, magnetic ring, fixed ring, magnet exciting coil, gasket etc.；Power supply and controller are used to flexible modulation
DC current size in magnet exciting coil, the pressure-pad-force size with adjustment effect at plate flange position.
The course of work of electromagnetism flanging setup for drawing parts are as follows: connect the mating power supply of device and 220V AC voltage, by controlling
Device processed adjusts the DC current size being passed through in magnet exciting coil and makes up to certain numerical value, at this time in magnetic ring and fixed ring
The magnetic line of force constitutes closed circuit, and can generate a certain size electromagnetic attraction between the two, and electromagnetic attraction passes through magnetic ring
It passes to blank holder and pressure-pad-force then is applied to the flange position of plate, with the continuous progress of drawing process, controlled by adjusting
Device processed then obtains the flanging force curve an of continuous variable continuously to change the current strength in magnet exciting coil.When drawing knot
Shu Hou stops powering to installation's power source, and pressure-pad-force disappears therewith.Magnetic ring is held up at this time, effect of the drawing part in spring force
Under be ejected cavity plate, complete discharging.
Utility model device is compact-sized, easy to operate, can flexible modulation pressure-pad-force size, cost is relatively low, use
Securely and reliably.
(3) technical effect
The beneficial effects of the utility model are: (1) the utility model gives a kind of feasible thin-sheet metal drawing
Electromagnetism flanging drawing experiments device.(2) electromagnetism flanging drawing experiments device is not required to individually designed die holder up and down and punch-pin driving system
System, is mounted on universal testing machine and test can be completed, reduce design and processing cost.
The utility model is primarily adapted for use in the drawing and forming of thin-sheet metal, and device is readily disassembled, and pressure-pad-force size is easy to adjust
Control, security performance is preferable, and manufacturing cost is lower.
Detailed description of the invention
Fig. 1 is the utility model electromagnetism flanging drawing experiments device cross-sectional view.
Fig. 2 is the utility model punch-pin and upper die holder bindiny mechanism partial enlarged view.
Fig. 3 is the utility model bottom plate and universal testing machine workbench retention mechanism partial sectional view.
Fig. 1 description of symbols: 1 punch-pin, 2 blank holders, 3 magnetic rings, 4 magnet exciting coils, 5 fixed rings, 6 cavity plates, six in 7 socket caps
Angle screw, 8 socket cap screws, 9 cushion blocks, 10 calibrating blocks, 11 pressing plates, 12 bottom plates, 13 gaskets, hexagonal spiral shell in 14 socket caps
Nail, 15 cylindroid helical-coil compression springs, 16 pusher plates, 17 socket cap screws, 18 socket cap screws.
Specific embodiment:
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model, but it is only preferred embodiment, is not intended to limit the essential scope of the utility model.
Fig. 1 is the electromagnetism flanging setup for drawing parts cross-sectional view of the utility model, and the electromagnetism flanging setup for drawing parts includes convex
Mould 1, blank holder 2, magnetic ring 3, magnet exciting coil 4, fixed ring 5, cavity plate 6, socket cap screw 7, hexagonal spiral shell in socket cap
Nail 8, cushion block 9, fixed block 10, pressing plate 11, bottom plate 12, gasket 13, socket cap screw 14, cylindroid helical-coil compression spring
15, pusher plate 16, socket cap screw 17, socket cap screw 18；The electromagnetism flanging setup for drawing parts uses
Positive assembling structure, punch-pin 1 is upper, and under, cavity plate is fixed on bottom plate cavity plate 6 by socket cap screw 14.Fixed ring 5 with it is recessed
Matching between mould 6 is combined into clearance fit, is equally fixed on bottom plate 12 by 4 socket cap screws 7 by certain angle distribution
On, certain thickness gasket 13 is provided between fixed ring 5 and bottom plate 12 to adjust the size of air-gap.The inner ring end of fixed ring 5
The positioning that telltale mark carries out blank is decorated on face.The mounting means of punch-pin 1 are as follows: by 1 die shank of punch-pin insertion upper die holder center
In circular groove, socket cap screw 18 is screwed in into upper die holder and is incited somebody to action perpendicular in the threaded hole of punch-pin 1 and upper die holder axis
The two is fastened to complete the fixation to punch-pin 1, and specific installation is as shown in Figure 2.The fixation of bottom plate 12 be as shown in Figure 3 bottom plate with
Universal testing machine workbench fixed mechanism realizes that the mechanism is by socket cap screw 8, cushion block 9, fixed block 10, pressure
Plate 11, bottom plate 12 form.For 2 fixed blocks 10 in the trapezoidal groove of universal testing machine workbench, bottom plate is placed in ten thousand
Can be on the work top of Material Testing Machine, 2 socket cap screws 8 as shown in Figure 3 are by cushion block 9, pressing plate 11 and bottom plate 12
An entirety is connected as to complete the fastening to bottom plate.Magnetic ring 3 and the 6 uniformly distributed socket cap screws of blank holder 2
17 are connected as an entirety.Magnet exciting coil 4 is encapsulated in the annular groove of fixed ring 5 by epoxy resin.Magnetic ring 3 and blank holder
2 assembled unit is in contact with plate, and with the concentric placement of plate.The fixation of punch-pin 1 uses 1 socket cap screw
18 cooperate with universal testing machine upper die holder, become an entirety.
The course of work of electromagnetism flanging setup for drawing parts are as follows: certain thickness gasket 13 is first placed below fixed ring 5, to give
Determine the size of air-gap.Start universal testing machine, makes punch-pin 1 relative to 6 downlink of cavity plate.At this time by installation's power source and 220V
Alternating voltage is connected, and DC current is passed through in magnet exciting coil 4, and the magnetic line of force in moment magnetic ring 3 and fixed ring 5 constitutes envelope
The circuit closed, just generates a certain size electromagnetic attraction between the two, and electromagnetic force is passed by the blank holder 2 being connected with magnetic ring 3
The flange section of plate is passed to complete flanging.With the further downlink of punch-pin 1, power supply output is continuously adjusted by controller
Current value, to provide the pressure-pad-force of continuous variable.When 1 stop motion of punch-pin, drawing terminates.Stop at this time to magnet exciting coil 4
Power supply, pressure-pad-force disappear immediately.Magnetic ring 3 is held up at this time, drawing part is ejected cavity plate 6 under spring force, completes
Discharging.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of electromagnetism flanging drawing experiments device, apparatus structure include punch-pin, blank holder, magnetic ring, magnet exciting coil, fixation
Ring, cavity plate, socket cap screw, cushion block, calibrating block, pressing plate, bottom plate, gasket, cylindroid helical-coil compression spring, pusher plate,
It is characterized in that:
Electromagnetism flange fixing installation uses positive assembling structure, and punch-pin is upper, and cavity plate is under；Socket cap screw screw-in upper die holder is hung down
Directly the two is fastened to complete the fixation to punch-pin in the threaded hole of punch-pin and upper die holder axis；Cavity plate is by hexagonal in socket cap
Screw is fixed on bottom plate, and fixed ring is fixed on bottom plate by the socket cap screw being distributed by certain angle；Fixed ring
Certain thickness gasket is provided between bottom plate, matching between fixed ring and cavity plate is combined into clearance fit；Magnet exciting coil is by asphalt mixtures modified by epoxy resin
Rouge is encapsulated in the annular groove of fixed ring；Magnetic ring is connected as one with 6 uniformly distributed socket cap screws with blank holder
A entirety；Spring ejecting mechanism in cavity plate upper circular groove is made of cylindroid helical-coil compression spring and pusher plate；2 cylinders
Cushion block, pressing plate and bottom plate are connected as an entirety to complete the fastening to bottom plate by head soket head cap screw.
2. a kind of electromagnetism flanging drawing experiments device according to claim 1, it is characterized in that: fixed block is threaded
Pressing plate is placed in the upper end of cushion block and bottom plate in the trapezoidal groove of universal testing machine workbench by hole, 2 fixed blocks
Face, and be integral four fastenings by socket cap screw.
3. a kind of electromagnetism flanging drawing experiments device according to claim 1, it is characterized in that: the upper surface of magnetic ring processes
There is center to have the round boss of through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820489912.3U CN208321737U (en) | 2018-04-09 | 2018-04-09 | A kind of electromagnetism flanging drawing experiments device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820489912.3U CN208321737U (en) | 2018-04-09 | 2018-04-09 | A kind of electromagnetism flanging drawing experiments device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208321737U true CN208321737U (en) | 2019-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820489912.3U Expired - Fee Related CN208321737U (en) | 2018-04-09 | 2018-04-09 | A kind of electromagnetism flanging drawing experiments device |
Country Status (1)
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| CN (1) | CN208321737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848234A (en) * | 2019-11-13 | 2020-02-28 | 中国科学院西安光学精密机械研究所 | Locking mechanism |
-
2018
- 2018-04-09 CN CN201820489912.3U patent/CN208321737U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848234A (en) * | 2019-11-13 | 2020-02-28 | 中国科学院西安光学精密机械研究所 | Locking mechanism |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |