CN205110492U - Shaping sheet metal material's of electromagnetic attraction power device - Google Patents
Shaping sheet metal material's of electromagnetic attraction power device Download PDFInfo
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- CN205110492U CN205110492U CN201520791975.0U CN201520791975U CN205110492U CN 205110492 U CN205110492 U CN 205110492U CN 201520791975 U CN201520791975 U CN 201520791975U CN 205110492 U CN205110492 U CN 205110492U
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- coil
- module
- inductor
- tubular inductor
- metal plate
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Abstract
The utility model relates to a shaping sheet metal material's of electromagnetic attraction power device, including the executor, the executor is including the insulating casing who is equipped with built -in die cavity, be provided with in the insulating casing with die cavity complex cylindric inductor, be equipped with a conversion primary in the cylindric inductor, a wiring end is drawn forth respectively at conversion primary's both ends, insulating casing includes preceding insulating casing and back insulating casing, preceding insulating casing has seted up cylindrical groove, cylindrical inslot is by interior and set gradually electromagnetic screen, spacing block and single circle operating coil outward, single circle operating coil with the cylindric inductor is connected, the surface cladding of single circle operating coil has insulating mould, insulating mould is provided with the sheet metal material's that takes shape mould cavity. The utility model discloses traditional electromagnetic forming repulsion force of changeing is the appeal, and is as an organic whole with coil and mode combination, reduces the cooperation degree of difficulty.
Description
Technical field
The utility model relates to a kind of device of electromagnetic attraction form metal plate.
Background technology
Electro-magnetic forming is mainly used in the forming manufacturing technology of conductive material, that a kind of electric energy conversion that utilizes is for the method for magnetic field energy form metal plate, traditional electro-magnetic forming equipment often utilizes electromagnetic repulsive force, be the metal blank electromagnetic forming device of the document introduction of CN101406913A as China Patent Publication No., comprise coil, collection chinaware, workpiece and shaping dies.Coil outer assembling collection chinaware is placed in the side of workpiece, and the working face of collection chinaware active set magnetic is near workpiece.Shaping dies is then positioned at the opposite side of workpiece, passes through pulse high current during shaping in coil, produces repulsive force promotion workpiece and make workpiece be adjacent to mould to mold movement, with this Forming Workpiece between coil and workpiece.
Described electro-magnetic forming equipment shortcoming is, first the mould of electro-magnetic forming equipment and coil are placed in the both sides of workpiece respectively, makes Whole Equipment be divided into two parts to be inconvenient to operate; Next need Forming Workpiece be closed area covering or covering time, be shaped and need to need to dismantle covering in advance oppositely arranging mould, technique and operation all complicate.
Summary of the invention
The purpose of this utility model is the device providing a kind of electromagnetic attraction form metal plate, and transforming traditional electro-magnetic forming repulsive force is attraction, coil and die assembly is integrated, and reduces and coordinates difficulty.
The utility model realizes by the following technical solutions for achieving the above object: a kind of device of electromagnetic attraction form metal plate, it is characterized in that: comprise actuator, described actuator comprises the insulation crust being provided with built-in die cavity, the tubular inductor coordinated with described die cavity is provided with in described insulation crust, be equipped with a conversion primary coil in described tubular inductor, terminals are drawn at the two ends of described conversion primary coil respectively; Described insulation crust comprises front insulation crust and rear insulation crust, described front insulation crust offers cylindrical groove, electromagnetic screen, spacer and single turn actuating coil is disposed with from inside to outside in described cylindrical groove, described single turn actuating coil is connected with described tubular inductor, described single turn actuating coil Surface coating has insulation mould, and described insulation mould is provided with the mold cavity of form metal plate.
Further, also comprise power-supply system, described power-supply system comprises control module, charging module, energy-storage module, discharge module and Executive Module, and described Executive Module comprises described conversion primary coil, tubular inductor, electromagnetic screen, single turn actuating coil and metal blank; Described control module is connected with described charging module, discharge module, Executive Module respectively, and described charging module is connected to energy-storage module two ends, and energy-storage module is also connected with discharge module; Described discharge module is connected with the conversion primary coil of described Executive Module; Described primary coil is wrapped in tubular inductor, and the lead-in wire of described tubular inductor output and single-turn circular coil is electrically connected; Described single-turn circular coil is placed between described electromagnetic screen and metal blank.
Further, the perimembranous of described rear insulation crust is provided with one handle retainer ring, and described handle retainer ring both sides correspondence is provided with two handles.
Further, described single turn actuating coil is annular scale copper, and the side of described annular scale copper offers coil groove, draws the connecting plate perpendicular to described annular scale copper along described coil groove.
Further, the rectangular channel passed for described connecting plate is offered bottom described cylindrical groove.
Further, described tubular inductor offers the inductor groove consistent with described coil groove direction, described tubular inductor is also provided with near described single turn actuating coil side the installation end face matched with described connecting plate, and described connecting plate and described installation end face are fixed.
Further, the interlayer of described conversion primary coil arranges insulation, to be helically wound around on tubular inductor; Described tubular inductor and described conversion primary coil are fixed with a stationary magazine creel.
The utility model compared with prior art has following beneficial effect:
1, the utility model transforms traditional electro-magnetic forming repulsive force is attraction, coil and die assembly can be integrated, and reduces and coordinates difficulty;
2, the utility model is by changing the effect of primary coil and tubular inductor, by the electric current of low capacitance output low frequency amplitude, improves plastic force;
3, the utility model actuator is comparatively light, and hand-heldly can complete sheet forming, applicability is strong.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the utility model one embodiment.
Fig. 2 is the actuator cut-away illustration of the utility model one embodiment.
Fig. 3 is that Fig. 2 is along A-A cut-away illustration.
Fig. 4 is Fig. 3 dotted-line ellipse frame place partial enlarged drawing.
Fig. 5 is the single turn actuating coil schematic diagram of the utility model one embodiment.
Fig. 6 is the leading section schematic diagram of the insulation crust of the utility model one embodiment.
Fig. 7 is tubular inductor and the internal structure schematic diagram thereof of the utility model one embodiment
In figure: 1-insulate mould; 11-mold cavity; 12-handle retainer ring; 13-handle; 14-metal blank; 2-single turn actuating coil; 21-connecting plate; 22-installing hole; 23-coil groove; 3-spacer; 30-screw; 4-electromagnetic screen; Insulation crust before 5-; 51-cylindrical groove; 52-rectangular channel; 53-fixing hole; 54-connecting plate fixing hole; 6-tubular inductor; 61-inductor groove; 62-installs end face; 7-fixes inner core; 71-inner core groove; 72-spiral slot; 73-through hole; 8-changes primary coil; 81-terminals; 82-wire; Insulation crust after 9-; 10-bonnet; 101-bores a hole; 131-control module; 132-charging module; 133-energy-storage module; 134-discharge module; 135-Executive Module.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.
Please refer to Fig. 2 to Fig. 4, the utility model provides a kind of device of electromagnetic attraction form metal plate, comprise an actuator, described actuator comprises the insulation crust of a built-in die cavity, described insulation crust comprises front insulation crust 5 and rear insulation crust 9, a tubular inductor 6 coordinated with described die cavity is provided with in described insulation crust, a conversion primary coil 8 is equipped with in described tubular inductor 6, the interlayer of described conversion primary coil 8 arranges insulation, (Fig. 7 is please refer to) to be helically wound around on tubular inductor, terminals 81 are drawn respectively for being connected with the both positive and negative polarity of described discharge module in the two ends of described conversion primary coil 8, described front insulation crust offers a cylindrical groove 51, an electromagnetic screen 4 is disposed with from inside to outside in described cylindrical groove 51, one spacer 3 and a single turn actuating coil 2, wherein said electromagnetic screen 4 is all circular sheet with spacer 3, described single turn actuating coil 2 is connected with described tubular inductor 6, described single turn actuating coil 2 Surface coating has an insulation mould 1, described insulation mould 1 is provided with the mold cavity 11 of decision metal blank 14 shape, the rear portion of described rear insulation crust 9 is provided with a bonnet 10, described bonnet 10 is provided with a perforation 101 of passing for the wire 82 be connected with described terminals 81, the perimembranous of described rear insulation crust 9 is provided with one handle retainer ring 12, described handle retainer ring 12 both sides correspondence is provided with two handles 13.
Please refer to Fig. 5 and Fig. 7, described single turn actuating coil 2 is annular scale copper, the side of described annular scale copper offers coil groove 23, drawing the connecting plate 21 perpendicular to described annular scale copper along described coil groove 23, described connecting plate 21 being provided with for carrying out with described tubular inductor 6 installing hole 22 that is connected.
Please refer to Fig. 6, offer the rectangular channel 52 passed for described connecting plate 21 bottom described cylindrical groove 51, the perimembranous of described front insulation crust 5 offers the connecting plate fixing hole 54 that matches with described screw 30 and some fixing holes 53 for being fixed with described tubular inductor 6.
Please refer to Fig. 3 and Fig. 7, described tubular inductor 6 profile is cylinder barrel shaped, offer the inductor groove 61 consistent with described coil groove 23 direction in the axial direction, described tubular inductor 6 is also provided with the installation end face 62 matched with described connecting plate 21 near described single turn actuating coil 2 side, described connecting plate 21 is fixed through screw 30 and described installation end face 62, described tubular inductor 6 is fixed with a stationary magazine creel 7 with described conversion primary coil 8, described stationary magazine creel 7 shape is tubular, it axially offers the inner core groove 71 consistent with described coil groove 23 direction, the outer surface of described stationary magazine creel 7 is processed with the spiral slot matched with described conversion primary coil, and draw two terminals 81 places be provided with through hole 73 at conversion primary coil 8.
Please refer to Fig. 1, also comprise a power-supply system, described power-supply system comprises control module 131, charging module 132, energy-storage module 133, discharge module 134 and an Executive Module 135, and described Executive Module 135 comprises the conversion primary coil 8 be arranged in described actuator, tubular inductor 6, electromagnetic screen 4, single turn actuating coil 2 and metal blank 14; Described control module 131 is connected with described charging module 132, discharge module 134, Executive Module 135 respectively, described charging module 132 is connected in parallel on described energy-storage module 133 two ends with discharge module 134, and described discharge module 134 is connected with the conversion primary coil 8 of described Executive Module 135.Described control module 131 exists with charging module 132, discharge module 134 and Executive Module 135 to be fed back, the parameter feedback of concrete reception conversion primary coil 8, and can control startup and the closedown of charging module 132 and discharge module 134.
In order to allow those skilled in the art better understand the technical solution of the utility model, being described further below in conjunction with method of the present utility model, comprising the following steps:
Step S1: described control module 131 controls described charging module 132 and charges to described energy-storage module 133;
Step S2: described control module 131 controls described discharge module 134 and discharged by the electric energy stored in described energy-storage module 133 and apply a pulse high current to the conversion primary coil 8 in described Executive Module 135;
Step S4: described conversion primary coil 8, to described tubular inductor 6, electromagnetic induction occurs, at inductor groove 61 two ends of described tubular inductor 6 accumulation electromotive force;
Step S5: because described single turn actuating coil 2 is connected with inductor groove 61 two ends of described tubular inductor 6, the electric current that described electromotive force produces a low frequency amplitude is applied in described single turn actuating coil 2, completes the process of pulses switch;
Step S6: after described single turn actuating coil 2 is applied in the electric current of described low frequency amplitude, described electromagnetic screen 4 with metal blank 14 all produces eddy current, requires according to Kelvin effect the frequency being applied to single-turn circular coil actuating coil 2
enough low, namely meet the requirement of following formula:
In formula:
for frequency;
for metal blank magnetic conductivity;
for metal blank electrical conductivity;
for metal blank thickness.
Inductive loop direction waveform then owing to producing in electromagnetic screen 4 and metal blank 14 is all basically identical, when both close proximity, can cancel out each other a part in the magnetic field that electromagnetic screen 4 and metal blank 14 eddy current produce, be equivalent to like this and the magnetic field between electromagnetic screen 4 and metal blank 14 is eliminated, and the inductive loop on both lateral surfaces will produce electromagnetic force both is pushed to centre, because electromagnetic screen 4 is fixed in described cylindrical groove 51, the effect that described metal blank 14 is subject to electromagnetic force is moved to described electromagnetic screen 4;
Step S7: described metal blank 14 contacts with described insulation mould 1, is squeezed into the shape of mold cavity 11.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (7)
1. the device of an electromagnetic attraction form metal plate, it is characterized in that: comprise actuator, described actuator comprises the insulation crust being provided with built-in die cavity, the tubular inductor coordinated with described die cavity is provided with in described insulation crust, be equipped with a conversion primary coil in described tubular inductor, terminals are drawn at the two ends of described conversion primary coil respectively; Described insulation crust comprises front insulation crust and rear insulation crust, described front insulation crust offers cylindrical groove, electromagnetic screen, spacer and single turn actuating coil is disposed with from inside to outside in described cylindrical groove, described single turn actuating coil is connected with described tubular inductor, described single turn actuating coil Surface coating has insulation mould, and described insulation mould is provided with the mold cavity of form metal plate.
2. the device of electromagnetic attraction form metal plate according to claim 1, it is characterized in that: also comprise power-supply system, described power-supply system comprises control module, charging module, energy-storage module, discharge module and Executive Module, and described Executive Module comprises described conversion primary coil, tubular inductor, electromagnetic screen, single turn actuating coil and metal blank; Described control module is connected with described charging module, discharge module, Executive Module respectively, and described charging module is connected to energy-storage module two ends, and energy-storage module is also connected with discharge module; Described discharge module is connected with the conversion primary coil of described Executive Module; Described primary coil is wrapped in tubular inductor, and the lead-in wire of described tubular inductor output and single-turn circular coil is electrically connected; Described single-turn circular coil is placed between described electromagnetic screen and metal blank.
3. the device of electromagnetic attraction form metal plate according to claim 1, is characterized in that: the perimembranous of described rear insulation crust is provided with one handle retainer ring, and described handle retainer ring both sides correspondence is provided with two handles.
4. the device of electromagnetic attraction form metal plate according to claim 1, it is characterized in that: described single turn actuating coil is annular scale copper, the side of described annular scale copper offers coil groove, draws the connecting plate perpendicular to described annular scale copper along described coil groove.
5. the device of electromagnetic attraction form metal plate according to claim 4, is characterized in that: offer the rectangular channel passed for described connecting plate bottom described cylindrical groove.
6. the device of electromagnetic attraction form metal plate according to claim 4, it is characterized in that: described tubular inductor offers the inductor groove consistent with described coil groove direction, described tubular inductor is also provided with near described single turn actuating coil side the installation end face matched with described connecting plate, and described connecting plate and described installation end face are fixed.
7. the device of electromagnetic attraction form metal plate according to claim 1, is characterized in that: the interlayer of described conversion primary coil arranges insulation, to be helically wound around on tubular inductor; Described tubular inductor and described conversion primary coil are fixed with a stationary magazine creel.
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CN201520791975.0U CN205110492U (en) | 2015-10-13 | 2015-10-13 | Shaping sheet metal material's of electromagnetic attraction power device |
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CN201520791975.0U CN205110492U (en) | 2015-10-13 | 2015-10-13 | Shaping sheet metal material's of electromagnetic attraction power device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105170767A (en) * | 2015-10-13 | 2015-12-23 | 福州大学 | Device and method for forming metal sheet through electromagnetic attraction force |
CN110686976A (en) * | 2019-11-18 | 2020-01-14 | 湖南沃尔丁科技有限公司 | Electromagnetic force driven metal sheet high-speed forming limit testing device |
-
2015
- 2015-10-13 CN CN201520791975.0U patent/CN205110492U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105170767A (en) * | 2015-10-13 | 2015-12-23 | 福州大学 | Device and method for forming metal sheet through electromagnetic attraction force |
CN110686976A (en) * | 2019-11-18 | 2020-01-14 | 湖南沃尔丁科技有限公司 | Electromagnetic force driven metal sheet high-speed forming limit testing device |
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Granted publication date: 20160330 Termination date: 20181013 |
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CF01 | Termination of patent right due to non-payment of annual fee |