CN215467196U - Closed type electromagnetic shape correction die - Google Patents
Closed type electromagnetic shape correction die Download PDFInfo
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- CN215467196U CN215467196U CN202122202423.XU CN202122202423U CN215467196U CN 215467196 U CN215467196 U CN 215467196U CN 202122202423 U CN202122202423 U CN 202122202423U CN 215467196 U CN215467196 U CN 215467196U
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007667 floating Methods 0.000 claims description 34
- 238000004513 sizing Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000004080 punching Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 7
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001915 proofreading effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
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Abstract
The utility model discloses a closed type electromagnetic correction die which comprises an upper die holder, a lower die holder and an electromagnetic correction mechanism, wherein the electromagnetic correction mechanism comprises a profile plate and a coil assembly oppositely arranged above the profile plate, a correction area which is profiled with a notebook computer shell is formed on one surface of the profile plate facing the coil assembly, and the notebook computer shell is fixed at the corresponding position of the correction area; coil pack with the insulating part of a predetermined height has between the profile plate, after the circular telegram of coil pack can with produce a mutual repulsion's electromagnetic force between the corresponding position of notebook computer shell, make notebook computer shell with the regional school shape of closely laminating of school shape is strikeed down at the high-speed of electromagnetic force, and the produced internal stress when eliminating the punching press part shaping realizes the quick school shape to product appearance crookedness, effective accurate reaching predetermined product crookedness, and the notebook computer shell after the school shape is difficult for kick-backing, simple structure.
Description
Technical Field
The utility model relates to the technical field of metal plate shape correction, in particular to a closed electromagnetic shape correction die.
Background
After the notebook computer shell is formed, the notebook computer shell is usually required to be corrected to meet the assembly requirement. The electromagnetic shape correction technology is characterized in that a coil is electrified to generate magnetic field force to enable the notebook computer shell to deform rapidly, and the electromagnetic shape correction technology is short in deformation time and small in resilience and is commonly used for shape correction of precise sheet metal parts (such as the notebook computer shell).
The existing shape correcting die for the notebook computer shell needs to additionally fix the notebook computer shell during shape correction, so that indentation is easily generated on the notebook computer shell under the action of high-height and high-strength electromagnetic force, and the yield is influenced; in addition, the coil wire of the traditional shape correction die is often in direct contact with the notebook computer shell to form a discharge loop, but the coil guide is easy to damage the notebook computer shell to a certain extent due to the direct contact with the notebook computer shell, and the shape correction die is not suitable for the shape correction of a sheet metal part of a precision instrument.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a closed electromagnetic shape correction die to solve the problem that in the prior art, a notebook computer shell is easily damaged in the shape correction process.
In order to solve the problems, the utility model provides a closed electromagnetic correction die, which comprises an upper die holder and a lower die holder which are oppositely arranged, and an electromagnetic correction mechanism arranged between the upper die holder and the lower die holder, wherein the electromagnetic correction mechanism comprises a copying plate and a coil assembly which is oppositely arranged above the copying plate, a correction area which is copied with a notebook computer shell is formed on one surface of the copying plate facing the coil assembly, and the notebook computer shell is fixed at a corresponding position of the correction area; an insulation part with a preset height is arranged between the coil assembly and the profile plate, and after the coil assembly is electrified, a mutually repulsive electromagnetic force can be generated between the coil assembly and the corresponding position of the notebook computer shell, so that the notebook computer shell is tightly attached to the shape correction area for correction.
The coil component is detachably mounted at the bottom of the upper fixing plate, and the profiling plate is detachably mounted on the lower fixing plate.
Furthermore, the coil assembly comprises a coil mounting plate detachably mounted at the bottom of the upper fixing plate, a coil arranged in the coil mounting plate and a wire electrically connected with the coil, and the wire is electrically connected with an external discharge circuit.
Further, the coil mounting plate is an insulating coil mounting plate, the coil and the conducting wire are buried in the insulating coil mounting plate, and the bottom surface of the coil is higher than that of the insulating coil mounting plate, so that the insulating part is formed at the part, below the coil, of the insulating coil mounting plate; the lead is led out from the side surface of the insulating coil mounting plate to be electrically connected with the external discharge circuit.
Furthermore, the notebook computer shell further comprises at least two floating positioning assemblies arranged between the lower fixing plate and the profile plate, the bottom ends of the floating positioning assemblies are fixedly connected with the lower fixing plate, the top ends of the floating positioning assemblies sequentially penetrate through the lower fixing plate and the profile plate and extend out of the shape correction area on the profile plate, and the notebook computer shell is positioned on the floating positioning assemblies.
Furthermore, the floating positioning assembly comprises a set screw fixed in the lower fixing plate, a positioning convex column arranged in the profile plate in a floating manner, and a spring which is arranged in the lower fixing plate and is abutted against or fixed with the corresponding positions of the set screw and the positioning convex column; the positioning convex column is provided with a floating end with a larger diameter and a positioning end with a smaller diameter and fixedly arranged on the floating end, and the notebook computer shell is positioned on the positioning end.
Furthermore, a first through hole is formed in the position, corresponding to the stop screw, of the lower fixing plate, a stepped hole which is small in top and large in bottom is formed in the position, corresponding to the first through hole, of the profiling plate, and the large-hole-diameter end of the stepped hole is connected with the first through hole; the positioning convex column is arranged in the stepped hole in a floating mode, and the floating end of the positioning convex column is abutted to the corresponding position of the large-aperture end of the stepped hole.
Furthermore, a driving device for driving the upper die holder to move up and down is fixedly arranged between the upper die holder and the lower die holder.
Furthermore, at least one limiting column is detachably mounted on the lower die base, the top of the limiting column is movably connected with the upper die base, and after the upper die base is descended in place, the top of the limiting column is abutted to the corresponding position of the bottom of the upper die base.
The coil assembly and the profiling plate are arranged, the notebook computer shell is corrected through the electromagnetic force generated by matching the coil assembly with the notebook computer shell, the electromagnetic force can penetrate through a non-conductor material, the non-contact processing of the coil assembly and the notebook computer shell is realized, and a fixing structure is not required to be additionally arranged to fix the notebook computer shell, so that the surface of the notebook computer shell has no mechanical scratches, and the surface quality of the corrected notebook computer shell is better; the generated electromagnetic force can act on the notebook computer shell at a high speed, the shape correction of the notebook computer shell can be realized in a short time, the rebound of the notebook computer shell can be effectively reduced, the shape correction precision is improved, the processing time is short, the efficiency is high, the production period can be effectively shortened, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a closed electromagnetic sizing die of the present invention.
Fig. 2 is another schematic structural diagram of fig. 1.
Fig. 3 is a schematic structural diagram of the electromagnetic correction mechanism in fig. 1.
Fig. 4 is an enlarged structural view at a in fig. 3.
FIG. 5 is a schematic diagram of the profile plate configuration.
FIG. 6 is a schematic view of the positioning of the cam and the housing of the notebook computer.
The reference numbers of the specification are as follows:
the device comprises a notebook computer shell 100, a positioning hole 100a, an upper die holder 1, a lower die holder 2, a driving device 3, an electromagnetic correction mechanism 4, a profile plate 41, a correction area 411, a second through hole 412, a third through hole 413, a coil assembly 42, a coil mounting plate 421, a coil 422, a lead 423, an upper fixing plate 5, a lower fixing plate 6, a first through hole 61, a floating positioning assembly 7, a payment screw 71, a positioning convex column 72, a floating end 721, a positioning end 722, a spring 73 and a limiting column 8.
Detailed Description
The utility model will be further explained with reference to the drawings.
Examples
As shown in fig. 1-2, the closed electromagnetic sizing die of the present invention is described by taking sizing of a metal casing of a notebook computer as an example, and it can be understood that the present invention can be applied to sizing of all metal plate materials besides the metal casing of the notebook computer. The closed electromagnetic sizing die comprises an upper die holder 1 and a lower die holder 2 which are arranged oppositely, wherein a driving device 3 is fixedly arranged between the upper die holder 1 and the lower die holder 2 and used for driving the upper die holder 1 to move along the vertical direction so as to be close to or far away from the lower die holder 2. In order to ensure the stable movement of the upper die holder 1, it is preferable that the driving device 3 is a driving cylinder, and in some other embodiments, the driving device 3 may also be an automatic driving device 3 such as a hydraulic cylinder, a hydraulic rod, a linear motor, or some manual driving device 3 with low cost, as long as the driving device can drive the upper die holder 1 to move up and down. An electromagnetic shape correction mechanism 4 is further arranged between the upper die holder 1 and the lower die holder 2 and is used for quickly correcting the shape of the notebook computer shell 100 to be corrected by utilizing magnetic field force. An upper fixing plate 5 is fixedly arranged at the bottom of the upper die holder 1, a lower fixing plate 6 is fixedly arranged at the opposite position of the lower die holder 2 and used for installing an electromagnetic shape correcting mechanism 4, and the electromagnetic shape correcting mechanism 4 is detachably arranged between the upper fixing plate 5 and the lower fixing plate 6, so that different electromagnetic shape correcting mechanisms 4 can be conveniently replaced according to the models of the notebook computer shell 100.
As shown in fig. 3 to 6, the electromagnetic correction mechanism 4 includes a profile plate 41 and a coil block 42 oppositely disposed above the profile plate 41, the square block is detachably mounted on the lower fixing plate 6 by bolts, and the coil block 42 is detachably mounted on the bottom of the upper fixing plate 5 at a relative position by bolts, so as to facilitate the replacement of different coil blocks 42 and different profile plates 41 according to the model and correction requirements of the notebook computer housing 100. The profiling plate 41 is formed with a profiling area 411 facing the coil assembly 42, the profiling area 411 is profiled with the notebook computer casing 100, and the notebook computer casing 100 is fixed at a corresponding position of the profiling area 411, so as to profile the notebook computer casing 100 according to the shape defined by the profiling area 411. In the present embodiment, the calibration area 411 is a concave structure facing away from the coil assembly 42, and the concave shape of the calibration area is matched with the notebook computer casing 100. It will be appreciated that the workpiece to be shaped by the shaping region 411 may also be a contoured structure that is convex toward the direction facing the coil assembly 42. The coil assembly 42 includes a coil mounting plate 421, a coil 422 accommodated in the coil mounting plate 421, and a wire 423 electrically connected to the coil 422, in this embodiment, the coil mounting plate 421 is an insulating coil mounting plate, the coil 422 and the wire 423 are embedded in the insulating coil mounting plate, a bottom surface of the coil 422 is higher than a bottom surface of the insulating coil mounting plate, so that a portion of the insulating coil mounting plate located below the coil 422 forms the insulating portion, the wire 423 is led out from a side surface of the insulating coil mounting plate to be electrically connected to an external discharge circuit, and a discharge circuit is formed among the coil 422, the wire 423, the insulating coil mounting plate 421, and the external discharge circuit. The coil 422 is used for generating a magnetic field after being electrified, the lead 423 is electrically connected with an external discharge circuit and is used for introducing pulse current to the coil 422, the coil 422 is electrified to generate a magnetic field, induced eddy current is generated in the metal notebook computer shell 100 under the action of the magnetic field, and then an electromagnetic force is generated under the combined action of the magnetic field and the induced eddy current and acts on the notebook computer shell 100 to drive the notebook computer shell 100 to deform towards the shape correction area 411. In the present embodiment, the coil 422 is a plate-shaped circular coil 422 to generate an electromagnetic force directed to the notebook computer case 100. It is understood that the coil 422 may also be a plate-shaped square coil 422 or a multi-layered vertical coil 422, etc. An insulating part with a preset height is arranged between the coil component 42 and the profile plate 41 and is used for forming a coil 422 discharge loop, so that after the coil component 42 is electrified, a mutually repulsive electromagnetic force can be generated between the coil component and the corresponding position of the notebook computer shell 100, the notebook computer shell 100 fixed on the shape correction area 411 is driven to deform towards the shape correction area 411 at a high speed so as to be tightly attached to the shape correction area 411, the quick shape correction of the notebook computer shell 100 is realized, and the shape correction effect is good because the deformation speed is too fast and is not easy to rebound.
The closed electromagnetic correction die further comprises at least two floating positioning components 7 arranged between the lower fixing plate 6 and the profile plate 41 and used for positioning the notebook computer shell 100. In the present embodiment, three floating positioning components 7 are provided, and the connecting lines of the three floating positioning components 7 form a triangle, so as to ensure the accurate positioning of the notebook computer casing 100. The bottom end of the floating positioning component 7 is fixedly connected with the lower fixing plate 6, the top end of the floating positioning component 7 sequentially penetrates through the lower fixing plate 6 and the profile plate 41 and extends out of the shape correction area 411 on the profile plate 41, and the notebook computer shell 100 is positioned on the floating positioning component 7.
The floating positioning assembly 7 includes a set screw fixed in the lower fixing plate 6, a positioning boss 72 floating in the cam plate 41, and a spring 73 disposed in the lower fixing plate 6 and abutting or fixing the set screw and the positioning boss 72 at corresponding positions. The spring 73 can make the positioning convex column 72 have certain floatability, can reduce the impact force generated when the electromagnetic force acts on the notebook computer casing 100 in a short time, and avoids the displacement of the notebook computer casing 100 in the process of shape correction. The positioning convex column 72 is provided with a floating end 721 with a larger diameter and a positioning end 722 with a smaller diameter and fixed on the floating end 721, and the top end of the positioning end 722 penetrates out of the profile plate 41; during the calibration, the notebook computer housing 100 can be positioned only by placing the positioning hole 100a on the notebook computer housing 100 on the corresponding positioning end 722. The penetrating end of the positioning end 722 abuts against the corresponding position of the coil mounting plate 421, specifically, a positioning groove with a size matched with that of the positioning end 722 is formed in the position, corresponding to the positioning end 722, of the bottom surface of the coil mounting plate 421, and the penetrating end of the positioning end 722 is positioned in the positioning groove, so that the positioning between the profiling plate 41 and the coil mounting plate 421 can be realized while the positioning of the notebook computer casing 100 is realized; and ensuring accurate shape correction. A first through hole 61 is formed in the lower fixing plate 6 at a position corresponding to the set screw, a stepped hole with a small upper part and a large lower part is formed in the profile plate 41 at a position corresponding to the first through hole 61, the positioning convex column 72 is arranged in the stepped hole in a floating manner, and the floating end 721 is abutted to a corresponding position of a large-aperture end of the stepped hole; the large-aperture end of the stepped hole is connected with the first through hole 61. Specifically, the stepped hole includes a second through hole 412 having an aperture matched with the positioning end 722 and a third through hole 413 having an aperture matched with the floating end 721, the third through hole 413 is communicated with the first through hole 61 to form an accommodating space, the spring 73 is located in the accommodating space, and two ends of the spring 73 are respectively abutted or fixed to corresponding positions of the payment screw 71 and the positioning boss 72, so that the floating end 721 of the positioning boss 72 can be abutted to the corresponding position of the stepped hole under the urging force of the spring 73 to fix the positioning boss 72, and the positioning boss 72 is prevented from being pushed out from the stepped hole under the urging force of the spring 73.
At least one limiting column 8 is detachably mounted on the lower fixing plate 6 through a bolt, the top of the limiting column 8 is movably connected with the upper die base 1, the upper die base 1 is driven by the driving cylinder to move downwards to a proper position, the top of the limiting column 8 is abutted to the corresponding position at the bottom of the upper fixing plate 5, the downward height of the upper die base 1 is limited, and the phenomenon that the notebook computer shell 100 is extruded and deformed due to the excessive downward movement of the upper die base 1 is avoided.
When the utility model is used, firstly, according to the notebook computer shell 100 to be corrected, selecting proper coil assembly 42 and profile plate 41 to be mounted at the corresponding positions of upper fixing plate 5 and lower fixing plate 6, and positioning the notebook computer shell 100 in the correction area 411 on the profile plate 41 through the matching of positioning hole 100a on the notebook computer shell 100 and positioning end 722 of floating positioning assembly 7; then, controlling the driving cylinder to work, enabling the driving cylinder to drive the upper die holder 1 to descend, and stopping descending continuously when the bottom of the upper die holder 1 contacts the limiting seat, at this time, the coil mounting plate 421 contacts with the notebook computer shell 100 and limits the notebook computer shell 100 between the coil mounting plate 421 and the profiling plate 41 to fix the notebook computer shell 100; then, a discharging loop is switched on, current is introduced to the coil 422 through a guide way, the coil 422 generates a magnetic field after being electrified, an induced eddy current is generated in the notebook computer shell 100 under the action of the magnetic field, an electromagnetic force pointing to the notebook computer shell 100 is generated under the combined action of the induced eddy current and the magnetic field, and the electromagnetic force acts on the notebook computer shell 100 quickly to enable the notebook computer shell 100 to be deformed quickly, and the shape correction of the notebook computer shell 100 is completed; and finally, disconnecting the discharging loop, controlling the driving cylinder to drive the upper die base 1 to move upwards, and taking down the notebook computer after shape correction until next shape correction.
According to the utility model, the floating positioning component 7 is used for positioning the notebook computer shell 100, and the notebook computer shell 100 is fixed by clamping the coil mounting plate 421 and the profiling plate 41 on the notebook computer shell 100 in the shape correction process, so that a structure for fixing the notebook computer shell 100 is not required to be additionally arranged, and further, the phenomenon that traces are left on the notebook computer shell 100 due to the action of high-speed and high-strength electromagnetic force can be avoided; and through the cooperation of coil pack 42 and profile plate 41, when proofreading, can effectively eliminate notebook computer housing 100 produced internal stress when the shaping under the effect of punching press subassembly, realize the quick proofreading to product appearance crookedness, can be effective, accurate reach predetermined product crookedness to notebook computer housing 100 after proofreading is difficult for kick-backing, simple structure, convenient operation have stronger practicality.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.
Claims (9)
1. The utility model provides a closed type electromagnetism school shape mould, includes relative upper die base and the die holder that sets up, its characterized in that: the electromagnetic correction mechanism comprises a profile plate and a coil assembly which is oppositely arranged above the profile plate, a correction area which is shaped with a notebook computer shell is formed on one surface of the profile plate facing the coil assembly, and the notebook computer shell is fixed at a corresponding position of the correction area; an insulation part with a preset height is arranged between the coil assembly and the profile plate, and after the coil assembly is electrified, a mutually repulsive electromagnetic force can be generated between the coil assembly and the corresponding position of the notebook computer shell, so that the notebook computer shell is tightly attached to the shape correction area for correction.
2. The closed electromagnetic sizing die of claim 1, wherein: the coil component is detachably mounted at the bottom of the upper fixing plate, and the profiling plate is detachably mounted on the lower fixing plate.
3. The closed electromagnetic sizing die of claim 2, wherein: the coil assembly comprises a coil mounting plate which is detachably mounted at the bottom of the upper fixing plate, a coil which is arranged in the coil mounting plate, and a wire which is electrically connected with the coil, wherein the wire is electrically connected with an external discharge circuit.
4. The closed electromagnetic sizing die of claim 3, wherein: the coil mounting plate is an insulating coil mounting plate, the coil and the conducting wire are buried in the insulating coil mounting plate, and the bottom surface of the coil is higher than that of the insulating coil mounting plate, so that the insulating part is formed by the part, below the coil, of the insulating coil mounting plate; the lead is led out from the side surface of the insulating coil mounting plate to be electrically connected with the external discharge circuit.
5. The closed electromagnetic sizing die according to any one of claims 2 to 4, wherein: still include two at least settings and be in unsteady locating component between bottom plate and the profile plate, the bottom of unsteady locating component with bottom plate fixed connection, the top of unsteady locating component passes in proper order bottom plate and profile plate extend the school shape region on the profile plate, the notebook computer shell is located float locating component is last.
6. The closed electromagnetic sizing die of claim 5, wherein: the floating positioning assembly comprises a set screw fixed in the lower fixing plate, a positioning convex column arranged in the profile plate in a floating manner and a spring which is arranged in the lower fixing plate and is abutted against or fixed with the set screw and the corresponding position of the positioning convex column; the positioning convex column is provided with a floating end with a larger diameter and a positioning end with a smaller diameter and fixedly arranged on the floating end, and the notebook computer shell is positioned on the positioning end.
7. The closed electromagnetic sizing die of claim 6, wherein: a first through hole is formed in the lower fixing plate at a position corresponding to the set screw, a stepped hole with a small upper part and a large lower part is formed in the profile plate at a position corresponding to the first through hole, and the large-hole-diameter end of the stepped hole is connected with the first through hole; the positioning convex column is arranged in the stepped hole in a floating mode, and the floating end of the positioning convex column is abutted to the corresponding position of the large-aperture end of the stepped hole.
8. The closed electromagnetic sizing die according to any one of claims 1 to 4, wherein: and a driving device for driving the upper die holder to move up and down is fixedly arranged between the upper die holder and the lower die holder.
9. The closed electromagnetic sizing die according to any one of claims 1 to 4, wherein: at least one limiting column is detachably mounted on the lower die base, the top of the limiting column is movably connected with the upper die base, and after the upper die base is descended in place, the top of the limiting column is abutted to the corresponding position of the bottom of the upper die base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122202423.XU CN215467196U (en) | 2021-09-13 | 2021-09-13 | Closed type electromagnetic shape correction die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122202423.XU CN215467196U (en) | 2021-09-13 | 2021-09-13 | Closed type electromagnetic shape correction die |
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| Publication Number | Publication Date |
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| CN215467196U true CN215467196U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122202423.XU Active CN215467196U (en) | 2021-09-13 | 2021-09-13 | Closed type electromagnetic shape correction die |
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| CN (1) | CN215467196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475295A (en) * | 2023-04-11 | 2023-07-25 | 华中科技大学 | A magnetic levitation block amorphous plate electromagnetic forming mechanism, system and method |
-
2021
- 2021-09-13 CN CN202122202423.XU patent/CN215467196U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475295A (en) * | 2023-04-11 | 2023-07-25 | 华中科技大学 | A magnetic levitation block amorphous plate electromagnetic forming mechanism, system and method |
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