CN111451410A - Simple-process display metal frame and manufacturing process and manufacturing equipment thereof - Google Patents
Simple-process display metal frame and manufacturing process and manufacturing equipment thereof Download PDFInfo
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- CN111451410A CN111451410A CN202010494828.2A CN202010494828A CN111451410A CN 111451410 A CN111451410 A CN 111451410A CN 202010494828 A CN202010494828 A CN 202010494828A CN 111451410 A CN111451410 A CN 111451410A
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- metal
- appearance
- rolling roller
- metal frame
- coil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/28—Associations of cutting devices therewith
- B21D43/285—Devices for handling elongated articles, e.g. bars, tubes or profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
Abstract
The invention discloses a simple-process metal frame of a display, a manufacturing process and manufacturing equipment thereof, wherein the manufacturing process comprises the following steps: preparing a metal sheet stock/roll stock having one or both surfaces with an appearance film, the appearance film comprising a protective layer, or the appearance film comprising an appearance layer and a protective layer overlying the appearance layer; continuously rolling/bending the metal sheet/coil stock to form a metal frame strip, and cutting to obtain a metal frame single edge; assembling a plurality of metal frames to obtain a metal frame; the invention directly carries out uniform surface treatment on all the raw materials, avoids the surface of the metal sheet/coil material with appearance from being damaged in the forming processes of rolling/bending and the like through the protective layer, and avoids carrying out surface treatment on each single sheet, thereby reducing the processing procedures, lowering the surface treatment cost, ensuring the stability of the product quality, simplifying the assembly process and greatly improving the production efficiency.
Description
Technical Field
The invention relates to the technical field of display frames, in particular to a display metal frame with a simple process and a manufacturing process and manufacturing equipment thereof.
Background
Currently, for display products, consumers pay more attention to the delicacy of product appearance besides pursuing the quality and functions of the products, and therefore most display manufacturers adopt all-metal frames to improve the delicacy of the products; the processing technology of the metal frames specifically comprises the following steps: forming a U-shaped metal frame strip by the metal sheet material/coil material after forming processing, and cutting to obtain a single side of the metal frame; performing surface appearance treatment on each single sheet to meet the appearance requirement of the product, and finally assembling the single side subjected to the surface treatment to obtain a metal frame; however, such a processing technique is complicated in process, long in processing cycle, and increases in surface treatment cost after molding; the cut single pieces are subjected to surface treatment, so that the appearance of each single piece is difficult to be ensured to have uniform quality, and the quality stability cannot be ensured; there is therefore a need to find a solution to such problems.
Disclosure of Invention
In view of the above, there is a need to overcome at least one of the above-mentioned drawbacks in the prior art, and the present invention provides a simple manufacturing process for a metal bezel of a display, including the following steps: preparing a metal sheet material/coil material with appearance films on one side or two sides, wherein the appearance films comprise protective layers or the appearance films comprise appearance layers and protective layers covering the appearance layers; step two, continuously rolling/bending the metal sheet/coil stock to form a metal frame strip, and cutting to obtain a metal frame single side; and step three, assembling the single edges of the plurality of metal frames to obtain the metal frames.
According to the background art of the patent, the existing metal frame processing technology has the disadvantages of complicated process, long processing period and increased surface treatment cost after molding; the cut single pieces are subjected to surface treatment, so that the appearance of each single piece is difficult to be ensured to have uniform quality, and the quality stability cannot be ensured; the manufacturing process of the metal frame of the display directly performs unified surface treatment on all the raw materials, avoids the damage of the surface of the metal sheet/coil material with the appearance in the forming processes of rolling/bending and the like through the protective layer, avoids performing surface treatment on each single sheet, reduces the processing procedures, reduces the surface treatment cost, avoids poor quality stability of products subjected to appearance treatment after cutting, ensures the stability of the product quality, simplifies the assembly process, and greatly improves the production efficiency.
In addition, the manufacturing process of the metal frame of the display, which is simple in process, disclosed by the invention also has the following additional technical characteristics:
further, the protective layer is a layer made of a high polymer material; the thickness of the protective layer is 0.01-0.1 mm.
Further, after the single side of the metal frame is obtained, other forming processing is carried out on the single side of the metal frame according to the requirement of the metal frame, and then the metal frame is assembled to obtain the metal frame.
Still further, the other forming process includes stamping.
Further, the step of preparing the metal sheet/coil stock comprises: and performing appearance treatment on one side or two sides of the metal sheet/coil to obtain the metal sheet/coil with the appearance film on one side or two sides, wherein the appearance treatment comprises at least one of spraying, pasting the appearance film and silk printing.
Further, the step of preparing the metal sheet/coil stock comprises: the protective layer is formed on the metal sheet material/coil material with lines or appearances by at least one of spraying, film pasting and silk screen printing.
Surface treatment is carried out before the forming processing line, and surface treatment is not required to be carried out on a single product after all products are formed; the efficiency is higher, and guarantee that the product has unified quality.
Further, in the third step, a plurality of metal frames are assembled on one side, and the protective layer is removed to obtain the metal frame.
In the second step, the metal sheet/coil stock with the appearance film enters the forming processing line, passes through the rolling roller module, and is subjected to roll forming by the rolling roller module to obtain the metal frame strip.
Furthermore, after the metal sheet/coil stock enters the forming processing line, the metal sheet/coil stock is limited up and down, left and right through the limiting pulley module and then passes through the rolling roller module.
Further, the rolling roller module comprises a rolling roller mechanism, the rolling roller mechanism comprises a second rolling roller and a first rolling roller which are arranged oppositely up and down, and a concave die is formed on the periphery of the first rolling roller; and a male die matched with the female die is formed on the periphery of the second rolling roller.
Further, the rolling roller module comprises m rolling roller mechanisms arranged along the processing direction of the forming processing line; the female die is provided with two symmetrically arranged side walls which are downward obliquely, and an included angle theta is formed between the side walls and the bottom surface of the female die; the included angles theta of the female dies which are sequentially arranged are gradually reduced along the processing direction; m is a natural number greater than or equal to 2; in the second step, the metal sheet/coil stock with the appearance film continuously passes through m rolling roller mechanisms for rolling m times along the processing direction of the forming processing line to form the metal frame strip.
Further, the included angle θ ranges from: 0 DEG < theta < 180 DEG, with an accuracy of + -0.1 deg.
Further, the manufacturing process of the metal frame of the display comprises the following steps: step one, preparing a metal sheet material/coil material with an appearance film on the lower surface; step two, the metal sheet/coil stock enters a forming processing line, and the metal sheet/coil stock is limited up and down, left and right through a limiting pulley module; sequentially and continuously passing through m roller rolling mechanisms to form the metal frame strip; the rolling roller positioned on the lower side of the rolling roller mechanism is provided with a female die, and the rolling roller positioned on the upper side of the rolling roller mechanism is provided with a male die.
The U-shaped frame structure can be obtained by rolling for m times on one forming line without continuously carrying the U-shaped frame structure from one machine to another machine for operation, the degree of automation is high, the transfer work of semi-finished products is reduced, the production efficiency is improved, the production cost is reduced, and the defective rate of products is reduced.
According to another aspect of the invention, the manufacturing equipment of the metal frame of the display based on the manufacturing process of the metal frame of the display comprises the forming processing line, wherein the forming processing line comprises a stand, a limiting pulley module, a rolling roller module and a cutting module, wherein the limiting pulley module, the rolling roller module and the cutting module are sequentially arranged on the stand.
Furthermore, the limiting pulley module comprises an upper limiting pulley mechanism, a lower limiting pulley mechanism, a left limiting pulley module and a right limiting pulley module; the upper limiting pulley module and the lower limiting pulley module are arranged oppositely up and down and rotatably installed on the base; the left and right limiting pulley modules comprise left and right limiting pulleys which are oppositely arranged and rotatably installed on the base.
Furthermore, the rolling roller module comprises m rolling roller mechanisms arranged along the processing direction of the forming processing line, each rolling roller mechanism comprises a second rolling roller and a first rolling roller which are arranged oppositely up and down and are respectively arranged on the stand in a rotating way through a rotating component, and a concave die is formed on the periphery of the first rolling roller; a male die matched with the female die is formed on the periphery of the second rolling roller; the female die is provided with two symmetrically arranged side walls which are downward obliquely, and an included angle theta is formed between the side walls and the bottom surface of the female die; the included angles theta of the sequentially arranged female dies are gradually reduced along the processing direction.
Furthermore, the manufacturing equipment for the metal frame of the display also comprises a feeding part used for feeding materials to the forming processing line, wherein the feeding part comprises a driving motor and a turntable used for bearing metal coil materials/sheet materials, and the driving motor is in transmission connection with the turntable.
According to another aspect of the invention, a metal frame of a display manufactured by the manufacturing process of the metal frame of the display is provided.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a manufacturing apparatus for a metal bezel of a display according to the present invention.
Wherein 1 is a metal sheet material/coil material, 2 is a limiting pulley module, 3 is a rolling roller module, 4 is a semi-finished product, 5 is a metal frame strip, and 6 is a cutting module.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout; the embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "lateral", "vertical", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The invention has the following conception that the invention provides the metal frame of the display, the manufacturing equipment and the manufacturing process with simple process, the unified surface treatment is directly carried out on all the raw materials, the surface of the metal sheet/coil material with the appearance is prevented from being damaged in the forming process of rolling/bending and the like through the protective layer, the surface treatment on each single sheet is avoided, the processing procedures are reduced, the surface treatment cost is reduced, the poor quality stability of the product after the appearance treatment after cutting is avoided, the stability of the product quality is ensured, the assembly process is simplified, and the production efficiency is greatly improved.
Fig. 1 is a schematic structural diagram of a manufacturing apparatus for a metal bezel of a display according to the present invention.
As shown in fig. 1, according to an embodiment of the present invention, a manufacturing process of a metal bezel of a display includes the following steps: preparing a metal sheet material/roll material 1 with appearance films on one side or two sides, wherein the appearance films comprise protective layers or the appearance films comprise appearance layers and protective layers covering the appearance layers; step two, continuously rolling/bending the metal sheet material/coil material 1 to form a metal frame strip 5, and cutting to obtain a metal frame single side; and step three, assembling the single edges of the plurality of metal frames to obtain the metal frames.
According to the background art of the patent, the existing metal frame processing technology has the disadvantages of complicated process, long processing period and increased surface treatment cost after molding; the cut single pieces are subjected to surface treatment, so that the appearance of each single piece is difficult to be ensured to have uniform quality, and the quality stability cannot be ensured; the manufacturing process of the metal frame of the display directly performs unified surface treatment on all the raw materials, avoids the damage of the surface of the metal sheet/coil stock 1 with the appearance in the forming processes of rolling/bending and the like through the protective layer, avoids performing surface treatment on each single sheet, reduces the processing procedures, reduces the surface treatment cost, avoids poor quality stability of products subjected to appearance treatment after cutting, ensures the stability of the product quality, simplifies the assembly process and greatly improves the production efficiency.
In addition, the manufacturing process of the metal frame of the display, which is simple in process, disclosed by the invention also has the following additional technical characteristics:
according to one embodiment of the present invention, the protective layer is a layer made of a polymer material; the thickness of the protective layer is 0.01-0.1 mm.
According to an embodiment of the invention, after the single side of the metal frame is obtained, the single side of the metal frame is subjected to other forming treatment according to the requirement of the metal frame and then assembled to obtain the metal frame.
According to one embodiment of the invention, the other forming process comprises stamping.
According to one embodiment of the invention, the step of preparing the metal sheet/coil 1 comprises: and performing appearance treatment on one side or two sides of the metal sheet/coil stock 1 to obtain the metal sheet/coil stock 1 with appearance films on one side or two sides, wherein the appearance treatment comprises at least one of spraying, pasting the appearance films and silk printing.
According to one embodiment of the invention, the step of preparing the metal sheet/coil 1 comprises: the protective layer is formed on the metal sheet material/roll material 1 with lines or appearances by at least one of spraying, film pasting and silk screen printing.
Surface treatment is carried out before the forming processing line, and surface treatment is not required to be carried out on a single product after all products are formed; the efficiency is higher, and guarantee that the product has unified quality.
According to an embodiment of the invention, in the third step, a plurality of metal frames are assembled on one side and the protective layer is removed to obtain the metal frame.
In the second step, the metal sheet stock/coil stock 1 with the appearance film enters the forming line, passes through the rolling roller module 3, and the metal sheet stock with the appearance film is subjected to roll forming by the rolling roller module 3 to obtain the metal frame strip 5.
According to one embodiment of the invention, after the metal sheet/coil 1 enters the forming processing line, the metal sheet/coil 1 is limited up and down, left and right by the limiting pulley module 2, and then passes through the rolling roller module 3.
According to an embodiment of the present invention, the rolling roller module 3 includes a rolling roller mechanism including a second rolling roller and a first rolling roller which are disposed opposite to each other in an up-down direction, and a concave die is formed on an outer circumference of the first rolling roller; and a male die matched with the female die is formed on the periphery of the second rolling roller.
According to one embodiment of the present invention, the rolling roller module 3 includes m rolling roller mechanisms disposed along the machine direction of the profiling processing line; the female die is provided with two symmetrically arranged side walls which are downward obliquely, and an included angle theta is formed between the side walls and the bottom surface of the female die; the included angles theta of the female dies which are sequentially arranged are gradually reduced along the processing direction; m is a natural number greater than or equal to 2; in the second step, the metal sheet stock/coil stock 1 with the appearance film is continuously rolled for m times by m rolling roller mechanisms along the processing direction of the forming processing line to form the metal frame strip 5.
According to an embodiment of the present invention, the range of the included angle θ is: 0 DEG < theta < 180 DEG, with an accuracy of + -0.1 deg.
According to one embodiment of the invention, the manufacturing process of the metal frame of the display comprises the following steps: step one, preparing a metal sheet material/coil material 1 with an appearance film on the lower surface; step two, the metal sheet material/coil stock 1 enters a forming processing line, and the metal sheet material/coil stock 1 is limited up and down, left and right through a limiting pulley module 2; then sequentially and continuously passing through m rolling wheel mechanisms to form the metal frame strip 5 (the semi-finished product 4 passing through the rolling wheel mechanisms for n times is shown in figure 1); the rolling roller positioned on the lower side of the rolling roller mechanism is provided with a female die, and the rolling roller positioned on the upper side of the rolling roller mechanism is provided with a male die.
The U-shaped frame structure can be obtained by rolling for m times on one forming line without continuously carrying the U-shaped frame structure from one machine to another machine for operation, the degree of automation is high, the transfer work of semi-finished products is reduced, the production efficiency is improved, the production cost is reduced, and the defective rate of products is reduced.
According to another aspect of the invention, the manufacturing equipment of the metal frame of the display based on the manufacturing process of the metal frame of the display comprises the forming processing line, wherein the forming processing line comprises a stand, a limiting pulley module 2, a rolling roller module 3 and a cutting module 6, which are sequentially arranged on the stand.
According to one embodiment of the invention, the limiting pulley module 2 comprises an upper and lower limiting pulley mechanism and a left and right limiting pulley module 2; the upper and lower limiting pulley modules 2 comprise two upper and lower limiting pulleys which are oppositely arranged up and down and are rotatably arranged on the base; the left and right limiting pulley modules 2 comprise left and right limiting pulleys which are oppositely arranged and rotatably installed on the base.
According to an embodiment of the present invention, the rolling roller module 3 includes m rolling roller mechanisms disposed along the processing direction of the forming line, each rolling roller mechanism includes a second rolling roller and a first rolling roller disposed opposite to each other in an up-down direction and respectively rotatably disposed on the stand via a rotating member, and a concave die is formed on an outer circumference of the first rolling roller; a male die matched with the female die is formed on the periphery of the second rolling roller; the female die is provided with two symmetrically arranged side walls which are downward obliquely, and an included angle theta is formed between the side walls and the bottom surface of the female die; the included angles theta of the sequentially arranged female dies are gradually reduced along the processing direction.
According to one embodiment of the invention, the manufacturing equipment for the metal frame of the display further comprises a feeding part used for feeding materials to the forming processing line, wherein the feeding part comprises a driving motor and a turntable used for bearing metal coil materials/sheet materials, and the driving motor is in transmission connection with the turntable.
According to another aspect of the invention, a metal frame of a display manufactured by the manufacturing process of the metal frame of the display is provided.
Any reference to "one embodiment," "an embodiment," "example embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention; the schematic representations in various places in the specification do not necessarily refer to the same embodiment; further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other ones of the embodiments.
While specific embodiments of the invention have been described in detail with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention; in particular, reasonable variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the foregoing disclosure, the drawings and the appended claims without departing from the spirit of the invention; except variations and modifications in the component parts and/or arrangements, the scope of which is defined by the appended claims and equivalents thereof.
Claims (10)
1. The manufacturing process of the metal frame of the display is simple, and is characterized by comprising the following steps:
preparing a metal sheet material/coil material with appearance films on one side or two sides, wherein the appearance films comprise protective layers or the appearance films comprise appearance layers and protective layers covering the appearance layers;
step two, continuously rolling/bending the metal sheet/coil stock to form a metal frame strip, and cutting to obtain a metal frame single side;
and step three, assembling the single edges of the plurality of metal frames to obtain the metal frames.
2. The simple-process manufacturing process for the metal frame of the display device according to claim 1, wherein the protective layer is a layer made of a polymer material.
3. The process of claim 1, wherein the step of preparing a metal sheet/coil comprises: and performing appearance treatment on one side or two sides of the metal sheet/coil to obtain the metal sheet/coil with the appearance film on one side or two sides, wherein the appearance treatment comprises at least one of spraying, film sticking and silk printing.
4. The process of claim 1, wherein the step of preparing a metal sheet/coil comprises:
the protective layer is formed on the metal sheet material/coil material with lines or appearances by at least one of spraying, film pasting and silk screen printing.
5. The manufacturing process of claim 1, wherein in the third step, the metal frame is obtained by assembling a plurality of metal frames and removing the protective layer.
6. The manufacturing process of claim 1, wherein in the second step, the metal sheet/coil with appearance film on one or both surfaces enters the forming line, passes through the rolling roller module, and the metal sheet/coil is roll-formed by the rolling roller module to obtain the metal frame strip.
7. The manufacturing process for the metal bezel of the display, which is simple in process, according to claim 6, wherein the rolling roller module comprises a rolling roller mechanism, the rolling roller mechanism comprises a second rolling roller and a first rolling roller which are oppositely arranged up and down, and a concave die is formed on the periphery of the first rolling roller; and a male die matched with the female die is formed on the periphery of the second rolling roller.
8. The simple-process manufacturing process for metal bezel of display as claimed in claim 7, wherein said rolling roller module comprises m rolling roller mechanisms disposed along the machine direction of the forming line; the female die is provided with two symmetrically arranged side walls which are downward obliquely, and an included angle theta is formed between the side walls and the bottom surface of the female die; the included angles theta of the female dies which are sequentially arranged are gradually reduced along the processing direction;
in the second step, the metal sheet/coil stock with the appearance film continuously passes through m rolling roller mechanisms for rolling m times along the processing direction of the forming processing line to form the metal frame strip.
9. A display metal bezel manufacturing apparatus based on the display metal bezel manufacturing process of any one of claims 1 to 8, comprising a form processing line including a stand and a rolling roller module disposed on the stand.
10. A simple-process metal bezel for a display, which is manufactured by the manufacturing process of the metal bezel for a display according to any one of claims 1 to 8.
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| CN202010494828.2A CN111451410B (en) | 2020-06-03 | 2020-06-03 | Simple-process display metal frame and manufacturing process and manufacturing equipment thereof |
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| CN202010494828.2A CN111451410B (en) | 2020-06-03 | 2020-06-03 | Simple-process display metal frame and manufacturing process and manufacturing equipment thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042823A (en) * | 2022-01-12 | 2022-02-15 | 邳州市安达电子有限公司 | Stamping equipment suitable for display frame |
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| CN108296709A (en) * | 2018-01-17 | 2018-07-20 | 广东长盈精密技术有限公司 | Metal center processing technology |
| CN209614050U (en) * | 2019-03-08 | 2019-11-12 | 深圳市金裕成金属制品有限公司 | Metal photo frame automatic forming production line |
| CN109807588A (en) * | 2019-03-27 | 2019-05-28 | 深圳创维－Rgb电子有限公司 | Display frame and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042823A (en) * | 2022-01-12 | 2022-02-15 | 邳州市安达电子有限公司 | Stamping equipment suitable for display frame |
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