CN108601111B - Manufacturing method of heating sheet with accurate and controllable size - Google Patents
Manufacturing method of heating sheet with accurate and controllable size Download PDFInfo
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- CN108601111B CN108601111B CN201810498695.9A CN201810498695A CN108601111B CN 108601111 B CN108601111 B CN 108601111B CN 201810498695 A CN201810498695 A CN 201810498695A CN 108601111 B CN108601111 B CN 108601111B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000005530 etching Methods 0.000 claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 238000004381 surface treatment Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 27
- 239000007921 spray Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 239000002184 metal Substances 0.000 description 29
- 239000000758 substrate Substances 0.000 description 22
- 239000002253 acid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003571 electronic cigarette Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
Landscapes
- Surface Heating Bodies (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The invention provides a manufacturing method of a heating sheet with accurate and controllable size, which comprises the following steps: the method comprises the following steps: providing a plate body, carrying out surface treatment on the plate body and drying, wherein the thickness of the plate body is D; manufacturing a plate, wherein the manufacturing plate is divided into two areas, one area is an area needing to be protected, the other area is an area needing to be removed, the area needing to be protected is equal to the pattern of the theoretically corresponding heating sheet, a length delta L is added to the edge of the area needing to be protected, and the length delta L of the area needing to be removed is reduced, wherein the delta L is more than or equal to Dx 1/2; coating the manufactured plates obtained in the step b on the upper side and the lower side of the plate body respectively; exposing; baking; etching; and (5) cleaning and demoulding. The size of the product and the accurate value of the impedance are effectively controlled, the operation is convenient, and the flow is simple.
Description
Technical Field
The invention relates to a manufacturing method of a heating sheet with accurate and controllable size.
Background
The currently used electronic cigarette atomizer comprises a shell, an atomizer, an oil storage bin, a battery assembly and a control assembly, wherein the atomizer comprises a sheet-shaped heating wire and oil guide cotton, an air inlet hole and an oil inlet hole are formed in the atomizer, the oil inlet hole is communicated with the oil storage bin, the air inlet hole is communicated with the outside, the oil guide cotton adsorbs smoke oil to the heating wire through the oil inlet hole for atomizing the heating wire, the battery assembly is connected to the control assembly, the control assembly is connected to the heating wire, the sheet-shaped heating wire is generally made by etching, the specific mode is that the heating sheet to be manufactured is firstly subjected to drawing, after drawing according to the proportion of 1:1 is finished, a cured drawing is silkscreened on a metal substrate, a protective film (coating) is pre-arranged on the metal substrate, and then the coating on the surface of the metal substrate to be etched is removed by exposure and development, the metal of the part is exposed, the coating on the surface of the metal substrate which does not need to be etched is covered by a drawing, a protective layer (coating) is reserved on the surface of the metal of the part, then the metal is corroded by acid liquor, a film is removed, the metal substrate is cleaned and dried, and the like, because the 1:1 pattern is adopted in the drawing process and is silk-screened on the protective film, the size of the coating reserved on the surface of the metal substrate is equal to the size of the theoretical design of a heating plate, but in the etching process, the acid liquor corrodes the parts without the coating on the upper surface and the lower surface of the metal substrate, the acid liquor can corrode the metal in the upper direction and the lower direction and can enter the metal substrate in the horizontal direction, namely, the metal substrate is corroded transversely, the finally corroded heating wire has smaller width than the theoretical heating wire, the weight is light, and the metal substrate protected by the coating is corroded, this portion of the coated metal substrate is theoretically unearthed, which leads to a larger difference in the actual heater than theoretically produced, and the resistance of the heater does not reach the intended design.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a manufacturing method of a heating sheet with accurate size and controllability, which has the characteristics of large contact surface, long service life and convenient replacement.
The invention is realized by the following steps: a manufacturing method of a heating sheet with an accurately controllable size comprises the following steps:
a. providing a plate body, and performing surface treatment and drying on the plate body, wherein the thickness of the plate body is D;
b. manufacturing a plate, namely manufacturing the plate according to different materials and graphs, wherein the plate is divided into two areas, one area is an area needing to be protected, the other area is an area needing to be removed, the area needing to be protected is equal to the graph of the theoretically corresponding heating sheet, a length delta L is added to the edge of the area needing to be protected, and the length delta L is reduced for the area needing to be removed, wherein the delta L is more than or equal to Dx 1/2;
c. coating the manufactured plates obtained in the step b on the upper side and the lower side of the plate body respectively;
d. exposing;
e. baking;
f. e, etching, namely placing the plate obtained in the step e in an etching machine, wherein the etching machine is provided with a conveyor belt, an upper rotating spray head and a lower rotating spray head, the conveyor belt is positioned between the upper rotating spray head and the lower rotating spray head, and etching liquid sprayed by the upper rotating spray head and the lower rotating spray head is in a mist shape;
g. and (5) cleaning and demoulding.
Further, the surface treatment includes removing an oxide film on the surface of the plate body, washing, and coating protective films on the upper and lower sides of the plate body.
Further, in the step b, in the plate manufacturing process, the shape of the pattern is as follows, the pattern comprises a plurality of connecting rings, the connecting ring positioned on the inner side and the adjacent connecting ring positioned on the outer side are connected through at least one connecting part, a material bridge is arranged outside the connecting ring positioned on the outermost side, the other end of the material bridge is connected with a material belt, a circular sheet is arranged inside the connecting ring positioned on the innermost side, the circular sheet is non-solid, and the circular sheet and the connecting ring positioned on the innermost side are connected through a connecting sheet.
Further, the shape of the piece that generates heat that needs the preparation is as follows, and it includes a plurality of linkage segments, is located inboard linkage segment and is located and connects through at least a connector between the adjacent linkage segment in the outside, and the outside that is located the linkage segment in the outside sets up a material bridge, a material area is connected to the other end of material bridge, the inside circle that sets up of linkage segment of the innermost, the circle is non-solid, connect through a connecting bridge between circle and the linkage segment of the innermost, except linkage segment, connector, material area, material bridge, circle, connecting bridge, other regional fretworks.
The width of the connecting ring is D1, the width of the connecting part is D2, the diameter of the round piece is D3, the width of the connecting piece is D4, the width of the connecting section is D1, the width of the connecting body is D2, the diameter of the round body is D3, and the width of the connecting bridge is D4, wherein D1 is more than D1, D1 is D1 plus delta L x 2, D2 is more than D2, D2 is D2 plus delta L x 2, D3 is more than D3, D3 is D3 plus delta L x 2, D4 is more than D4, and D4 is D4 plus delta x 2.
According to the steps, the heating sheet is manufactured, batch and automatic manufacturing is facilitated, the size and the accurate value of impedance of a product are effectively controlled, the operation is convenient, the process is simple, the heating sheet is manufactured by a simple method, meanwhile, the service life of the heating sheet manufactured by the method is long, the heating sheet is uniformly heated, the local temperature is prevented from being overhigh, and the taste is good when the tobacco tar is atomized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a plate before etching according to the present invention;
FIG. 2 is a schematic diagram of an etched plate according to the present invention;
FIG. 3 is a schematic diagram illustrating a comparison between an etched front plate according to the present invention and a prior art;
FIG. 4 is a schematic diagram illustrating a comparison between an etched plate according to the present invention and a prior art;
FIG. 5 is a schematic view of a plate making provided by the present invention;
fig. 6 is a schematic view of a heat generating sheet provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, an embodiment of the present invention provides a method for manufacturing a heating sheet with an accurately controllable size, including the following steps:
a. providing a plate body 1 (also called a metal substrate), performing surface treatment on the plate body 1 and drying, wherein the surface treatment comprises removing an oxide film on the surface of the plate body 1, cleaning and coating protective films 2 (also called photosensitive films) on the upper side and the lower side of the plate body 1, and the thickness of the plate body 1 is D;
b. manufacturing a plate, namely manufacturing the plate according to different materials and graphs, wherein the plate is divided into two areas, one area is an area needing to be protected, the other area is an area needing to be removed, the area needing to be protected is equal to the graph of the theoretically corresponding heating sheet, a length delta L is added to the edge of the area needing to be protected, and the length delta L is reduced for the area needing to be removed, wherein the delta L is more than or equal to Dx 1/2;
c. coating the manufactured plates obtained in the step b on the upper side and the lower side of the plate body 1 respectively;
d. exposing;
e. baking;
f. e, etching, namely placing the plate body 1 obtained in the step e into an etching machine, wherein the etching machine is provided with a conveyor belt, an upper rotating spray head and a lower rotating spray head, the conveyor belt is positioned between the upper rotating spray head and the lower rotating spray head, and etching liquid sprayed by the upper rotating spray head and the lower rotating spray head is in a mist shape;
g. and (5) cleaning and demoulding.
Further, in the step b, during the plate manufacturing process, the shape of the graph 3 is as follows, and it includes a plurality of connection rings 31, the connection ring 31 located at the inner side and the connection ring 31 located at the outer side are connected through at least one connection portion 32, a material bridge 33 is arranged outside the connection ring 31 located at the outermost side, the other end of the material bridge 33 is connected with a material belt, a circular disc 34 is arranged inside the connection ring 31 located at the innermost side, the circular disc 34 is non-solid, and the circular disc 34 and the connection ring 31 located at the innermost side are connected through a connection sheet 35.
Further, the heating sheet 4 to be manufactured has a shape including a plurality of connecting sections 41, the connecting sections 41 located on the inner side and the adjacent connecting sections 41 located on the outer side are connected by at least one connecting body 42, a material bridge 45 is arranged outside the connecting section 41 located on the outermost side, the other end of the material bridge 45 is connected with a material belt, a round body 43 is arranged inside the connecting section 41 located on the innermost side, the round body 43 is non-solid, the round body 43 and the connecting section 41 located on the innermost side are connected by a connecting bridge 44, and except the connecting sections 41, the connecting body 42, the material belt, the material bridge 45, the round body 43 and the connecting bridge 44, other regions are hollowed out.
Furthermore, the width of the connection ring 31 is D1, the width of the connection part 32 is D2, the diameter of the disc 34 is D3, the width of the connection piece 35 is D4, the width of the connection section 41 is D1, the width of the connection body 42 is D2, the diameter of the circular body is D3, and the width of the connection bridge 44 is D4, where D1 > D1, D1 ═ D1 +. DELTA.L × 2, D2 > D2, D2 ═ D2 +. DELTA.L × 2, D3 > D3, D3 ═ D3 +. DELTA.2, D4 > D4, and D4 ═ D4 +. DELTA.2.
Only according to the above design, the double-sided etching is taken as an example for explanation, in the step b, the shape of the manufactured plate is slightly larger than the shape of the theoretical heating plate, the shape of the theoretical plate and the size of the theoretical heating plate are 1:1, but the design is not designed according to the size of 1:1, but the size of the triangle L multiplied by 2 is larger than the size of the theoretical heating plate, the triangle L is not less than the size of the D multiplied by 1/2, because the protection film 2 of the triangle L multiplied by 2 is not exposed in the exposure process, the part of the protection film 2 which is not exposed just protects the upper and lower surfaces of the metal substrate, and is ready to enter the etching machine, the acid liquid etches the exposed metal substrate in the etching machine, the etching is performed simultaneously from the upper and lower directions, when the thickness of the etching liquid entering the metal substrate is equal to the thickness of the protection film 2, the etching liquid does not only move up and down, the etching liquid starts to move towards two sides, namely the metal substrate is etched in the horizontal direction, the etching speed is equal to that of the metal substrate in the horizontal direction, namely the metal substrate is etched in the horizontal direction, the metal with the length of Delta L is required to be provided for etching in the horizontal direction, the metal with the length of D multiplied by 1/2 is required to be provided for etching in the vertical direction, when the length of Delta L is equal to that of D multiplied by 1/2, the horizontal etching length is equal to that of the vertical etching, and when the etching in the vertical direction is completed, the etching is completed, so that the metal etching with the length of D multiplied by 1/2 must be ensured in the vertical direction within the time required for etching the length of Delta L in the horizontal direction, the size of the etched metal substrate is just consistent with the theoretical design, when the length of Delta L is equal to D multiplied by 1/2, the minimum value is provided, and when the length of Delta L is not less than D multiplied by 1/2, the requirement can also be met because the impedance requirement of the heating sheet is also within a certain range, and cannot be an accurate number as long as the impedance requirement is within a reasonable range.
The former design that the appearance after adopting the system board is equal to the shape of the theoretical piece that generates heat, in the exposure process, the protection film 2 on the metal substrate surface is exactly equal to the size of the theoretical piece that generates heat, in the corrosion process, the corrosive liquid will enter into the metal substrate below the protection film 2, corrode the metal substrate, lead to the width of the piece that generates heat after shaping to be less than the theoretical width, here the width is only an example, can also understand as length etc. here, compared with the past design, the accurate value, the impedance value of product size are effectively controlled, its convenient operation, the flow is simple, adopt simple method, the preparation that has realized the piece that generates heat, simultaneously, the piece that generates heat that relies on the invention to make has long service life, the piece that generates heat is even, avoids the local high temperature, in the time of atomizing the tobacco tar, the taste is good.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (1)
1. A manufacturing method of a heating sheet with an accurate and controllable size is characterized by comprising the following steps:
a. providing a plate body, and performing surface treatment and drying on the plate body, wherein the thickness of the plate body is D;
b. manufacturing a plate, namely manufacturing the plate according to different materials and graphs, wherein the plate is divided into two areas, one area is an area needing to be protected, the other area is an area needing to be removed, the area needing to be protected is equal to the graph of the theoretically corresponding heating sheet, a length delta L is added to the edge of the area needing to be protected, and the length delta L is reduced for the area needing to be removed, wherein the delta L is more than or equal to Dx 1/2;
c. coating the manufactured plates obtained in the step b on the upper side and the lower side of the plate body respectively;
d. exposing;
e. baking;
f. e, etching, namely placing the plate obtained in the step e in an etching machine, wherein the etching machine is provided with a conveyor belt, an upper rotating spray head and a lower rotating spray head, the conveyor belt is positioned between the upper rotating spray head and the lower rotating spray head, and etching liquid sprayed by the upper rotating spray head and the lower rotating spray head is in a mist shape;
g. cleaning and demoulding;
the surface treatment comprises removing the oxide film on the surface of the plate body, cleaning, and coating protective films on the upper and lower sides of the plate body; in the step b, in the plate manufacturing process, the shape of the graph is as follows, the graph comprises a plurality of connecting rings, the connecting rings positioned on the inner side and the adjacent connecting rings positioned on the outer side are connected through at least one connecting part, a material bridge is arranged outside the connecting ring positioned on the outermost side, the other end of the material bridge is connected with a material belt, a circular sheet is arranged inside the connecting ring positioned on the innermost side, the circular sheet is non-solid, and the circular sheet and the connecting ring positioned on the innermost side are connected through a connecting sheet; the heating piece to be manufactured is in the following shape and comprises a plurality of connecting sections, wherein the connecting section positioned on the inner side is connected with the adjacent connecting section positioned on the outer side through at least one connecting body, a material bridge is arranged outside the connecting section positioned on the outermost side, the other end of the material bridge is connected with a material belt, a round body is arranged inside the connecting section positioned on the innermost side, the round body is not solid, the round body is connected with the connecting section positioned on the innermost side through a connecting bridge, and other areas are hollowed out except the connecting section, the connecting body, the material belt, the material bridge, the round body and the connecting bridge; the width of the connecting ring is D1, the width of the connecting part is D2, the diameter of the round disc is D3, the width of the connecting piece is D4, the width of the connecting section is D1, the width of the connecting body is D2, the diameter of the round body is D3, and the width of the connecting bridge is D4, wherein D1 is more than D1, D1 is D1 plus delta L x 2, D2 is more than D2, D2 is D2 plus delta L x 2, D3 is more than D3, D3 is D3 plus delta L x 2, D4 is more than D4, and D4 is D4 plus delta L x 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810498695.9A CN108601111B (en) | 2018-05-23 | 2018-05-23 | Manufacturing method of heating sheet with accurate and controllable size |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810498695.9A CN108601111B (en) | 2018-05-23 | 2018-05-23 | Manufacturing method of heating sheet with accurate and controllable size |
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| Publication Number | Publication Date |
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| CN108601111A CN108601111A (en) | 2018-09-28 |
| CN108601111B true CN108601111B (en) | 2021-02-12 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4026397A1 (en) * | 2019-09-06 | 2022-07-13 | JT International SA | Thin film heater |
| CN112830445B (en) * | 2020-12-31 | 2025-02-25 | 上海芯物科技有限公司 | A semiconductor structure and a method for manufacturing the same |
| CN114145502A (en) * | 2021-12-24 | 2022-03-08 | 东莞市楚钢精密蚀刻技术有限公司 | Heating sheet, application of heating sheet, atomizing core and processing method of heating sheet |
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| CN108601111A (en) | 2018-09-28 |
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