Crude foil electromagnetic induction heating aging device
Through the combination of electromagnetic induction heating device and detection change mechanism, the problems of long and uneven heating time in the copper foil baking process are solved, and the effective reduction of the warpage rate of copper foil and the improvement of heating efficiency are achieved.
Patent Information
- Application Number
- CN202411423836.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-01-14
AI Technical Summary
The existing copper foil baking process has problems such as excessive heating time and uneven heating, which makes it difficult to effectively reduce the warpage rate of copper foil.
The electromagnetic induction heating device is adopted to realize real-time monitoring and automatic energy regulation of copper foil through the magnetic induction coil and the detection change mechanism. The energy intensity and shape of the magnetic induction coil are adjusted according to the warping degree of the copper foil to achieve uniform heating.
The uniformity and efficiency of copper foil heating are improved, and the problems of insufficient heating or overheating when warping is high are avoided, ensuring effective elimination of internal stress of copper foil.
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Figure CN119307708A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of copper foil processing, and in particular to a rough foil electromagnetic induction heating aging device. Background Art
[0002] Copper foil may warp during the electrolytic preparation process because the internal stress of the copper foil cannot be released, resulting in extrusion and deformation between the copper atomic crystals. Excessive warping of the copper foil may cause the product to fail to meet demand and must be eliminated. The warping phenomenon can be eliminated through a high-temperature annealing process. The warped copper foil is baked in an oven to release its internal stress and reduce the warping of the copper foil.
[0003] The current baking scheme for lithium foil is: after the lithium foil is rolled off from the raw foil machine, it is transferred to the oven for baking, and the baking conditions are different for 18-45 hours; after baking, it is transferred to the slitting machine for slitting. Although it can reduce the warpage of copper foil, it has the following shortcomings: 1. The baking time is long and the turnover efficiency is low; 2. Each roll of copper foil is baked unevenly inside and outside. Summary of the invention
[0004] The technical solution of the present invention aims at the technical problem that the existing technical solution is too single, and provides a solution that is significantly different from the existing technology. An embodiment of the present invention provides a rough foil electromagnetic induction heating aging device to solve the technical problems that the existing method of using an oven to heat the copper foil will result in a long heating time and uneven heating.
[0005] The embodiment of the present invention adopts the following technical scheme: a rough foil electromagnetic induction heating aging device, including a drive motor connecting frame, a feed roller and a conveying roller for conveying copper foil are arranged on one side of the drive connecting frame, and the drive motor is connected to one of the conveying rollers, and also includes a detection change mechanism for real-time monitoring of the warping of the copper foil so as to change the state of its internal coil, an inverter for providing energy to the coil, and an energy control mechanism for automatically adjusting the inverter power by detecting the state of the copper foil through the detection change mechanism.
[0006] Furthermore, the detection change mechanism adjusts the magnetic induction component and the detection component, and the adjustable magnetic induction component includes a mounting frame, and the mounting frame is connected to the driving connecting frame, and a magnetic induction coil is arranged between the two mounting frames, and a plurality of clamping frames are arranged on the magnetic induction coil, and each of the clamping frames is provided with an adjustable hydraulic telescopic rod, and each of the adjustable hydraulic telescopic rods is connected to a connecting branch pipe.
[0007] Furthermore, the magnetic induction coil is made of a high elastic-plastic metal material, such as a high plastic copper alloy.
[0008] Further, the detection assembly includes a detection box and a connecting branch assembly, the connecting branch assembly is divided into an upper connecting branch and a lower connecting branch, a plurality of partition plates are arranged in the detection box, the detection box is divided into a plurality of spaces by the partition plates, an electric telescopic rod is arranged at the bottom of each space, a lower extrusion plate is arranged at the top of the electric telescopic rod, the upper connecting branch and the lower connecting branch are respectively located at the upper and lower sides of the lower extrusion plate, an upper extrusion plate is arranged above the lower extrusion plate, a connecting rod is arranged between the upper extrusion plate and the lower extrusion plate, a fixing plate is arranged between the upper extrusion plate and the lower extrusion plate, and the connecting rod passes through the fixing plate, a plurality of sensors are arranged at the bottom of the detection box, each sensor is electrically connected to a corresponding electric telescopic rod, each connecting branch assembly is connected to a corresponding space, a connecting pipe is arranged on a side wall of the detection box, and the upper connecting branch and the lower connecting branch are respectively connected to a corresponding adjustable hydraulic telescopic rod.
[0009] Furthermore, the top of the partition plate does not contact the top of the detection box, and there is a gap between the partition plate and the top of the detection box.
[0010] Furthermore, a plurality of vertical mounting frames are connected by connecting rods.
[0011] Furthermore, the capacity regulation mechanism includes a hydraulic box and a rotating connecting seat, the rotating connecting seat is connected to the inverter, the rotating connecting seat is rotatably connected to the hydraulic box, and a locking block is provided on the side wall of the hydraulic box, a friction block is provided on the top of the hydraulic box, and an energy knob is provided next to the friction block.
[0012] Furthermore, the hydraulic box is connected to the end of the connecting pipe.
[0013] Compared with the prior art, the beneficial effects of the present invention are: First, the heating method is changed, and the existing baking heating method is converted into electromagnetic induction heating to heat the copper foil. Electromagnetic induction heating is a non-contact heating method, because the heating process is achieved through magnetic field and eddy current, and there is no need to directly contact the heating element with the heated object. Secondly, during use, through the coordinated use of the energy regulation mechanism and the detection change mechanism in the present invention, the energy intensity of the electromagnetic coil can be automatically adjusted according to the warping degree of the copper foil. (Because the heating method through electromagnetic heating is very uniform, the degree of warping of the copper foil during the production process is different. Since the time for the copper foil to pass through the coil is constant, in order to ensure that the internal stress of the copper foil with different deformation degrees is eliminated within the same time, the strength of the coil should be changed accordingly. If the strength is not enough, the internal stress cannot be eliminated well. If the strength is too high, the heating of the copper foil will also become stronger. Too high temperature may cause the material to be too soft or the grains to grow excessively, while too low temperature may not effectively eliminate the internal stress.) Therefore, the coil strength needs to be adjusted to a certain extent according to the deformation degree of the copper foil.
[0014] Secondly, during use, the produced copper foil can be detected in real time through the detection change mechanism to determine the warping degree and warping position of the copper foil, and then the state of the electromagnetic coil is changed according to the warping state of the copper foil, so that the shape of the coil is adapted to the distance of the copper foil in the warping state, thereby ensuring the heating effect of the copper foil (the warping phenomenon on the surface of the copper foil is detected, and the detection result is fed back to the induction coil to automatically change the coil strength. In another case, due to the bending of the copper foil, the distance between each point and the coil changes. According to the principle of the coil, the heating conditions are different at different distances, so the heating conditions will also change); In summary, the heating of the copper foil is changed by magnetic induction heating to improve the baking uniformity. At the same time, the detection change mechanism and the capacity regulation mechanism are used to detect the warping degree of the copper foil during use, and then the capacity strength of the magnetic induction coil is adjusted to avoid the phenomenon of high warping degree, insufficient capacity and poor stress elimination effect. At the same time, the shape of the magnetic induction coil will also change with the warping phenomenon of the copper foil, and at the same time, the gap between the magnetic induction coil and the copper foil is made the same to improve the subsequent heating effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 It is a schematic diagram of the structure of the detection change mechanism of the present invention; Figure 3 It is a schematic diagram of the structure of the energy regulation mechanism of the present invention; Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle; Figure 5 It is a schematic diagram of the coil structure of the present invention; Figure 6 It is a schematic diagram of the connection structure between the coil and the detection box of the present invention; Figure 7 It is a schematic diagram of the internal structure of the detection box of the present invention; Figure 8 For the present invention Figure 7 Enlarged structural diagram at B in the middle.
[0017] Reference numerals: 1. Driving motor connecting frame; 2. Feed roller; 3. Inverter; 4. Detection change mechanism; 41. Mounting frame; 42. Connecting pipe; 43. Detection box; 431. Upper extrusion plate; 432. Splitting plate; 433. Lower extrusion plate; 434. Electric telescopic rod; 435. Sensor; 44. Connecting branch pipe; 45. Adjusting hydraulic telescopic rod; 46. Clamping frame; 47. Coil; 48. Connecting rod; 5. Energy regulation mechanism; 51. Friction block; 52. Hydraulic box; 53. Rotating connecting seat. DETAILED DESCRIPTION
[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0019] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.
[0020] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.
[0021] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0023] Combine the following Figures 1 to 8 As shown, an embodiment of the present invention provides an electromagnetic induction heating aging device for raw foil, including a drive motor connecting frame 1, a feed roller 2 and a conveying roller for conveying copper foil are arranged on one side of the drive connecting frame, and the drive motor is connected to one of the conveying rollers, and also includes a detection change mechanism 4 for real-time monitoring of the warping of the copper foil so as to change the state of its internal coil 47, an inverter 3 for providing energy to the coil 47, and an energy control mechanism 5 for automatically adjusting the power of the inverter 3 by detecting the state of the copper foil through the detection change mechanism 4.
[0024] Specifically, the detection change mechanism 4 adjusts the magnetic induction component and the detection component. The adjustable magnetic induction component includes a mounting frame 41, and the mounting frame 41 is connected to the driving connecting frame. A magnetic induction coil 47 is arranged between the two mounting frames 41, and a plurality of clamping frames 46 are arranged on the magnetic induction coil 47. Each of the clamping frames 46 is provided with an adjustable hydraulic telescopic rod 45, and each of the adjustable hydraulic telescopic rods 45 is connected to a connecting branch pipe 44.
[0025] Specifically, the magnetic induction coil 47 is made of a high elastic-plastic metal material, such as a high plastic copper alloy.
[0026] When working, the magnetic induction coil 47 is made of soft material, so the magnetic induction coil 47 has a certain deformation ability.
[0027] Specifically, the detection assembly includes a detection box 43 and a connecting branch pipe 44 assembly, the connecting branch pipe 44 assembly is divided into an upper connecting branch pipe 44 and a lower connecting branch pipe 44, a plurality of partition plates 432 are arranged in the detection box 43, and the detection box 43 is divided into a plurality of spaces by the partition plates 432, and an electric telescopic rod 434 is arranged at the bottom of each space, and a lower extrusion plate 433 is arranged at the top of the electric telescopic rod 434, and the upper connecting branch pipe 44 and the lower connecting branch pipe 44 are respectively located at the upper side and the lower side of the lower extrusion plate 433, and an upper extrusion plate 433 is arranged above the lower extrusion plate 433. A pressure plate 431, a connecting rod 48 is arranged between the upper extrusion plate 431 and the lower extrusion plate 433, a fixed plate is arranged between the upper extrusion plate 431 and the lower extrusion plate 433, and the connecting rod 48 passes through the fixed plate, a plurality of sensors 435 are arranged at the bottom of the detection box 43, each sensor 435 is electrically connected to the corresponding electric telescopic rod 434, each connecting branch pipe 44 component is connected to the corresponding space, and a connecting pipe 42 is arranged on the side wall of the detection box 43, and the upper connecting branch pipe 44 and the lower connecting branch pipe 44 are respectively connected to the corresponding adjustable hydraulic telescopic rod 45.
[0028] Specifically, the top of the partition plate does not contact the top of the detection box 43 , and there is a gap between the partition plate 432 and the top of the detection box 43 .
[0029] At this time, the interior of the detection box 43 is divided into two parts, the upper and lower parts, by the fixed plate, and then divided into several relative spaces under the action of the dividing plate 432. However, since the upper part of the dividing plate 432 does not reach the top, the upper space of the fixed plate is actually interconnected. However, after one of the upper extrusion plates 431 changes position, the strength of the coil 47 can be adjusted.
[0030] Specifically, a plurality of vertical mounting frames 41 are connected via connecting rods 48 .
[0031] A plurality of vertical coils 47 can be driven to deform synchronously through a hydraulic extrusion telescopic rod.
[0032] Specifically, the capacity regulation mechanism includes a hydraulic box 52 and a rotating connection seat 53, the rotating connection seat 53 is connected to the inverter 3, the rotating connection seat 53 is rotatably connected to the hydraulic box 52, and a locking block is provided on the side wall of the hydraulic box 52, a friction block 51 is provided on the top of the hydraulic box 52, and an energy knob is provided on the side of the friction block 51.
[0033] Specifically, the hydraulic box 52 is connected to the end of the connecting pipe 42 .
[0034] Working principle: During use, the copper foil produced at this time is conveyed by multiple conveying rollers and feed roller 2. The copper foil produced at this time will be warped to a certain extent due to the influence of its internal stress. At this time, when the copper foil passes through the coil 47, magnetic induction heating occurs, thereby contactlessly heating the copper foil. By heating the copper foil, the effect of eliminating the internal stress is achieved. However, when passing through the coil 47, the internal stress of the copper foil is different, which causes the warping degree of the copper foil to change to a certain extent. According to the principle of electromagnetic heating, In order to ensure the heating effect, the gap between the copper foil and the coil 47 is preferably maintained at a certain level. At this time, the state of the coil 47 needs to be changed synchronously. Before the copper foil enters the coil 47, it will first pass through the sensor 435. The sensor 435 detects the distance of the copper foil to determine the degree of warping of the copper foil (in the initial state, the distance between the copper foil and the sensor 435 is set. If the copper foil warps, the gap between the copper foil and the sensor 435 will change. The higher the degree of warping, the greater the gap change value, thereby achieving the effect of using distance to determine the warping, and At this time, the sensor 435 can be a light distance sensor 435, so that the copper foil does not need to be touched when the copper foil is warped. Because the copper foil is thin and has a low hardness, if a contact judgment method is used, it may cause passive deformation of the copper foil, affecting the detection accuracy. The sensor judges the data after detection and then controls the electric telescopic rod 434 to extend and retract. When the electric telescopic rod 434 is extended, the lower extrusion plate 433 squeezes the liquid between the lower extrusion plate 433 and the fixed plate, so that the liquid enters the adjusting hydraulic telescopic rod 45 to change its position, and a coil A plurality of adjustable hydraulic telescopic rods 45 are arranged on 47, and each adjustable hydraulic telescopic rod 45 will independently control a section of the coil 47, so that the deformation of the coil 47 will fit the deformation state of the copper foil, and secondly, it will also drive the upper extrusion plate 431 to change its position, thereby squeezing the upper extrusion plate 431 and the liquid in the detection box 43, and the liquid enters the hydraulic box 52 through the connecting pipe 42, so that the friction block 51 in the hydraulic box 52 changes its position, and the up and down movement of the friction block 51 will drive the energy knob to rotate, thereby adjusting the output capacity of the inverter 3, so as to achieve the effect of adjusting the capacity strength of the coil 47.
[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A device for electromagnetic induction heating and aging of copper foil, comprising a drive motor connecting frame (1), a feed roller (2) and a conveying roller for conveying copper foil being arranged on one side of the drive connecting frame, and the drive motor being connected to one of the conveying rollers, characterized in that; It also includes a detection and change mechanism (4) for real-time monitoring of the warping of the copper foil so as to change the state of the internal coil (47), an inverter (3) for providing energy to the coil (47), and an energy control mechanism (5) for automatically adjusting the power of the inverter (3) by detecting the state of the copper foil through the detection and change mechanism (4).
2. The electromagnetic induction heating aging device for wool foil according to claim 1, characterized in that: The detection change mechanism (4) adjusts the magnetic induction component and the detection component. The adjustable magnetic induction component includes a mounting frame (41). The mounting frame (41) is connected to the driving connection frame. A magnetic induction coil (47) is arranged between the two mounting frames (41). A plurality of clamping frames (46) are arranged on the magnetic induction coil (47). Each clamping frame (46) is provided with an adjustable hydraulic telescopic rod (45) at the upper and lower ends.
3. The electromagnetic induction heating aging device for wool foil according to claim 2, characterized in that: The magnetic induction coil (47) is made of a highly elastic and plastic metal material, such as a highly plastic copper alloy.
4. The electromagnetic induction heating aging device for wool foil according to claim 2, characterized in that: The detection assembly comprises a detection box (43) and a connecting branch pipe (44) assembly, wherein the connecting branch pipe (44) assembly is divided into an upper connecting branch pipe (44) and a lower connecting branch pipe (44), wherein a plurality of partition plates (432) are arranged in the detection box (43), and the detection box (43) is divided into a plurality of spaces by the partition plates (432), wherein an electric telescopic rod (434) is arranged at the bottom of each space, and a lower extrusion plate (433) is arranged at the top of the electric telescopic rod (434), wherein the upper connecting branch pipe (44) and the lower connecting branch pipe (44) are respectively located at the upper side and the lower side of the lower extrusion plate (433), and an upper extrusion plate (433) is arranged above the lower extrusion plate (433). 431), a connecting rod (48) is provided between the upper extrusion plate (431) and the lower extrusion plate (433), a fixing plate is provided between the upper extrusion plate (431) and the lower extrusion plate (433), and the connecting rod (48) passes through the fixing plate, a plurality of sensors (435) are provided at the bottom of the detection box (43), each sensor (435) is electrically connected to a corresponding electric telescopic rod (434), each connecting branch pipe (44) component is connected to a corresponding space, a connecting pipe (42) is provided on the side wall of the detection box (43), and the upper connecting branch pipe (44) and the lower connecting branch pipe (44) are respectively connected to a corresponding adjustable hydraulic telescopic rod (45).
5. The electromagnetic induction heating aging device for wool foil according to claim 4, characterized in that: The top of the partition plate does not contact the top of the detection box (43), and a gap exists between the partition plate (432) and the top of the detection box (43).
6. The electromagnetic induction heating aging device for wool foil according to claim 4 is characterized in that ; The plurality of vertical mounting frames (41) are connected via connecting rods (48).
7. The electromagnetic induction heating aging device for wool foil according to claim 1, characterized in that: The capacity regulating mechanism comprises a hydraulic box (52) and a rotating connection seat (53), wherein the rotating connection seat (53) is connected to the inverter (3), the rotating connection seat (53) is rotationally connected to the hydraulic box (52), a locking block is provided on the side wall of the hydraulic box (52), a friction block (51) is provided on the top of the hydraulic box (52), and an energy knob is provided on the side of the friction block (51).
8. The electromagnetic induction heating aging device for wool foil according to claim 7, characterized in that: The hydraulic box (52) is connected to the end of the connecting pipe (42).