CN111266814A - Manufacturing process of rotating shaft protective shell of notebook computer - Google Patents
Manufacturing process of rotating shaft protective shell of notebook computer Download PDFInfo
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- CN111266814A CN111266814A CN202010235576.1A CN202010235576A CN111266814A CN 111266814 A CN111266814 A CN 111266814A CN 202010235576 A CN202010235576 A CN 202010235576A CN 111266814 A CN111266814 A CN 111266814A
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- rotating shaft
- cambered surface
- notebook computer
- manufacturing process
- cylindrical shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The invention discloses a manufacturing process of a notebook computer rotating shaft protective shell, wherein a section bar aluminum-magnesium alloy in the process comprises the following components in percentage by mass: 2-4% of Mg, 0.2-0.6% of Mn, less than or equal to 0.3% of Si, less than or equal to 0.2% of Fe, less than or equal to 0.11% of Ti, less than or equal to 0.18% of Cr, less than or equal to 0.13% of Zn, and the balance of Al and inevitable impurities with mass fraction less than 0.12%. The invention improves the wear resistance, corrosion resistance, strength and the like of the rotating shaft by improving the material of the section bar of the rotating shaft protective shell, and the stop block is connected with the cylindrical shell by laser spot welding, so that no residue is left, the joint is perfect and has no flaw, the appearance is attractive, the smoothness is high, the matching degree with the rotating shaft of the notebook computer is high, and the invention is suitable for high-end notebook computer products.
Description
Technical Field
The invention belongs to the technical field of manufacturing of notebook computer rotating shafts, and particularly relates to a manufacturing process of a notebook computer rotating shaft protective shell.
Background
A pivot part that is used for notebook computer display and keyboard body coupling at present is the integrative die casting of zinc alloy, because of being the display of notebook computer and the connector key of keyboard, and expose, so the outward appearance requirement is high, and the colour requirement is diversified, however, the die-casting shaping hardly reaches the outward appearance requirement: the surface of the electroplating solution is provided with a parting line, and bubbles are generated during electroplating treatment; the product type bin is deep, the die-casting molding is carried out, the inclination of the core drawing is large, the vertical attractive requirement is difficult to achieve, the surface treatment can only be carried out at present, and the diversified requirements cannot be met.
In addition, the existing notebook rotating shaft has poor wear resistance, is easy to damage, scratch or dent and deform when being collided, influences the aesthetic degree and influences the use of customers.
Disclosure of Invention
The invention mainly solves the technical problem of providing a manufacturing process of a notebook computer rotating shaft protective shell, which improves the wear resistance, corrosion resistance, strength and the like of a rotating shaft by improving the material of a rotating shaft protective shell section bar, and a stop block is connected with a cylindrical shell through laser spot welding without residues, the connecting part is perfect and has no flaw, the appearance is attractive, the smoothness is high, the matching degree with the rotating shaft of a notebook computer is high, and the manufacturing process is suitable for high-end notebook computer products.
In order to solve the technical problems, the invention adopts a technical scheme that: the manufacturing process of the notebook computer rotating shaft protective shell comprises the following steps:
the protective shell comprises a cylindrical shell and a stop block arranged in the cylindrical shell, an accommodating space is formed in the cylindrical shell, the stop block comprises a blocking piece and a blocking column connected with the blocking piece, the blocking piece is connected with the inner wall of the cylindrical shell in a spot welding mode, and the blocking piece is perpendicular to the inner wall of the cylindrical shell; the blocking columns are parallel to the length direction of the cylindrical shell, and a group of opposite side surfaces of the blocking columns are spot-welded on the inner wall of the cylindrical shell;
the manufacturing process comprises the following steps:
s1, inspecting the incoming material section;
s2, punching a stop block;
s3, wire cutting: cutting the section bar incoming material;
s4, CNC machining;
s5, laser spot welding: laser spot welding the edge of the stop block on the inner wall of the cylindrical shell;
s6, polishing: polishing the surface of the cylindrical housing of the spindle case;
s7, surface treatment: the surface of the rotating shaft shell is subjected to surface treatment to form a functional coating, and a finished product is obtained;
the aluminum-magnesium alloy section in the step S1 comprises the following components in percentage by mass: mg 2-4%, Mn0.2-0.6%, Si less than or equal to 0.3%, Fe less than or equal to 0.2%, Ti less than or equal to 0.11%, Cr less than or equal to 0.18%, Zn less than or equal to 0.13%, and the balance of Al and inevitable impurities with mass fraction less than 0.12%.
Further, the functional coating in step S7 is an anodized layer having a thickness of 10 to 30 μm.
Further, the laser spot welding in step S5 is fiber laser spot welding and the process parameters are as follows: the processing speed is 500-800mm/s, the point position speed is 50-100mm/s, the smoothing time is 10-30ms, the take-off speed is 1-10mm/s, the ratio of the output power to the rated power is 25-40%, the slow rising time is 1-5s, the slow falling time is 1-5s, the upper limit of the water temperature is 25-40 ℃, and the lower limit of the water temperature is 5-15 ℃.
The cylindrical shell comprises six surfaces which are sequentially connected and are respectively a first plane, a first cambered surface, a second plane, a third cambered surface and a fourth cambered surface, and the six surfaces are integrally formed; the first cambered surface, the second cambered surface, the third cambered surface and the fourth cambered surface are all concave cambered surfaces;
the block is provided with a wire passing hole for passing a wire.
Furthermore, a set of positioning blocks is welded on the inner wall of the cylindrical shell, and the positioning blocks are located on the side, where the blocking pieces are not provided with the blocking columns.
Furthermore, one positioning column is welded on the first plane, and the other positioning column is welded on the second plane.
Further, the wire passing hole penetrates from the blocking piece to the blocking column.
Further, the first arc surface, the second arc surface, the third arc surface and the fourth arc surface are all arc surfaces.
The invention has the beneficial effects that:
the manufacturing process improves the wear resistance, the corrosion resistance, the strength and the like of the rotating shaft shell by improving the material of the section bar of the rotating shaft protective shell, forms the cylindrical shell by adopting a section bar extrusion forming mode, forms the stop block by stamping, and leads the stop block and the cylindrical shell to be welded together by laser spot, and forms an accommodating space in the cylindrical shell for accommodating the rotating shaft, wherein the stop block is used for fixing a rotating shaft element;
in addition, the invention has the advantages of wear resistance, high hardness, difficult scratch, long service life, capability of keeping compact and bright surface at the outer side of the whole structure, beautiful appearance, and texture, and is particularly suitable for high-grade computers.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention.
Drawings
FIG. 1 is one of the schematic structural diagrams of the present invention;
FIG. 2 is a second schematic view of the present invention (from another perspective);
FIG. 3 is a side view of the present invention;
the device comprises a cylindrical shell 1, a first plane 11, a first cambered surface 12, a second cambered surface 13, a second plane 14, a third cambered surface 15, a fourth cambered surface 16, a stop block 2, a stop piece 21, a stop column 22, a wire passing hole 23 and a positioning block 3.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention will be described in detail with reference to the accompanying drawings. The invention may be embodied in other different forms, i.e. it is capable of various modifications and changes without departing from the scope of the invention as disclosed.
The same notebook computer comprises two rotating shaft protective cases which are in mirror symmetry.
Example (b): a manufacturing process of a notebook computer rotation shaft protection shell, as shown in figures 1 to 3,
the protective shell comprises a cylindrical shell and a stop block arranged in the cylindrical shell, an accommodating space is formed in the cylindrical shell, the stop block comprises a blocking piece and a blocking column connected with the blocking piece, the blocking piece is connected with the inner wall of the cylindrical shell in a spot welding mode, and the blocking piece is perpendicular to the inner wall of the cylindrical shell; the blocking columns are parallel to the length direction of the cylindrical shell, and a group of opposite side surfaces of the blocking columns are spot-welded on the inner wall of the cylindrical shell;
the manufacturing process comprises the following steps:
s1, inspecting the incoming material section;
s2, punching a stop block;
s3, wire cutting: cutting the section bar incoming material;
s4, CNC machining;
s5, laser spot welding: laser spot welding the edge of the stop block on the inner wall of the cylindrical shell;
s6, polishing: polishing the surface of the cylindrical housing of the spindle case;
s7, surface treatment: the surface of the rotating shaft shell is subjected to surface treatment to form a functional coating, and a finished product is obtained;
the aluminum-magnesium alloy section in the step S1 comprises the following components in percentage by mass: mg 2-4%, Mn0.2-0.6%, Si less than or equal to 0.3%, Fe less than or equal to 0.2%, Ti less than or equal to 0.11%, Cr less than or equal to 0.18%, Zn less than or equal to 0.13%, and the balance of Al and inevitable impurities with mass fraction less than 0.12%.
In step S7, the functional coating is an anodized layer having a thickness of 10 to 30 μm.
The laser spot welding in the step S5 is fiber laser spot welding and the process parameters are as follows: the processing speed is 500-800mm/s, the point position speed is 50-100mm/s, the smoothing time is 10-30ms, the take-off speed is 1-10mm/s, the ratio of the output power to the rated power is 25-40%, the slow rising time is 1-5s, the slow falling time is 1-5s, the upper limit of the water temperature is 25-40 ℃, and the lower limit of the water temperature is 5-15 ℃.
The cylindrical shell comprises six surfaces which are sequentially connected and are respectively a first plane, a first cambered surface, a second plane, a third cambered surface and a fourth cambered surface, and the six surfaces are integrally formed; the first cambered surface, the second cambered surface, the third cambered surface and the fourth cambered surface are all concave cambered surfaces;
the block is provided with a wire passing hole for passing a wire.
The inner wall of the cylindrical shell is further welded with a group of positioning blocks, and the positioning blocks are located on the side, where the blocking pieces are not provided with the blocking columns.
One positioning column is welded on the first plane, and the other positioning column is welded on the second plane.
The wire passing hole penetrates from the blocking piece to the blocking column.
The first cambered surface, the second cambered surface, the third cambered surface and the fourth cambered surface are all arc surfaces.
In this embodiment, the wall thickness of the cylindrical housing is 0.8 to 1.2 mm.
The radius of the circle where the first cambered surface and the fourth cambered surface are located is 0.03m, and the radius of the circle where the second cambered surface and the third cambered surface are located is 0.02 mm.
According to the manufacturing process, the abrasion resistance, the corrosion resistance, the strength and the like of the rotating shaft shell are improved through improvement of materials of the rotating shaft shell section bar, the cylindrical shell is formed through extrusion molding of the section bar, the stop block is formed through stamping and is welded together through laser spot welding, the accommodating space is formed in the cylindrical shell and is used for accommodating the rotating shaft, the stop block is used for fixing a rotating shaft element, after the rotating shaft element is installed, the rotating shaft cannot be loosened, the matching degree is high, the rotating is stable, the stop block and the cylindrical shell are connected through laser spot welding, no residue exists, the connecting part is perfect and free of flaw, the outer shape is attractive, the smoothness is high, the matching degree with the rotating shaft of a notebook computer is high, and the rotating shaft;
in addition, the rotating shaft protective shell manufactured by the process is wear-resistant, high in hardness, not easy to scratch, long in service life, capable of keeping the compact and bright surface of the outer side of the whole structure, attractive, elegant and textured, and particularly suitable for high-grade computers.
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 the present specification or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (8)
1. The utility model provides a manufacturing process of notebook computer pivot protective housing which characterized in that:
the protective shell comprises a cylindrical shell (1) and a stop block (2) arranged in the cylindrical shell, an accommodating space is formed in the cylindrical shell, the stop block comprises a stop piece (21) and a stop column (22) connected with the stop piece, the stop piece is connected with the inner wall of the cylindrical shell in a spot welding mode, and the stop piece is perpendicular to the inner wall of the cylindrical shell; the blocking columns are parallel to the length direction of the cylindrical shell, and a group of opposite side surfaces of the blocking columns are spot-welded on the inner wall of the cylindrical shell;
the manufacturing process comprises the following steps:
s1, inspecting the incoming material section;
s2, punching a stop block;
s3, wire cutting: cutting the section bar incoming material;
s4, CNC machining;
s5, laser spot welding: laser spot welding the edge of the stop block on the inner wall of the cylindrical shell;
s6, polishing: polishing the surface of the cylindrical housing of the spindle case;
s7, surface treatment: the surface of the rotating shaft shell is subjected to surface treatment to form a functional coating, and a finished product is obtained;
the aluminum-magnesium alloy section in the step S1 comprises the following components in percentage by mass: 2-4% of Mg, 0.2-0.6% of Mn, less than or equal to 0.3% of Si, less than or equal to 0.2% of Fe, less than or equal to 0.11% of Ti, less than or equal to 0.18% of Cr, less than or equal to 0.13% of Zn, and the balance of Al and inevitable impurities with mass fraction less than 0.12%.
2. The manufacturing process of the notebook computer rotating shaft protective shell according to claim 1, characterized in that: in step S7, the functional coating is an anodized layer having a thickness of 10 to 30 μm.
3. The manufacturing process of the notebook computer rotating shaft protective shell according to claim 1, characterized in that: the laser spot welding in the step S5 is fiber laser spot welding and the process parameters are as follows: the processing speed is 500-800mm/s, the point position speed is 50-100mm/s, the smoothing time is 10-30ms, the take-off speed is 1-10mm/s, the ratio of the output power to the rated power is 25-40%, the slow rising time is 1-5s, the slow falling time is 1-5s, the upper limit of the water temperature is 25-40 ℃, and the lower limit of the water temperature is 5-15 ℃.
4. The manufacturing process of the notebook computer rotating shaft protective shell according to claim 1, characterized in that: the cylindrical shell comprises six surfaces which are sequentially connected and are respectively a first plane (11), a first cambered surface (12), a second cambered surface (13), a second plane (14), a third cambered surface (15) and a fourth cambered surface (16), and the six surfaces are integrally formed; the first cambered surface, the second cambered surface, the third cambered surface and the fourth cambered surface are all concave cambered surfaces;
the block is provided with a wire passing hole (23) for passing a wire.
5. The manufacturing process of the notebook computer rotating shaft protective shell according to claim 4, characterized in that: the inner wall of the cylindrical shell is further welded with a group of positioning blocks (3), and the positioning blocks are located on the side, where the blocking pieces are not provided with the blocking columns.
6. The manufacturing process of the notebook computer rotating shaft protective shell according to claim 4, characterized in that: one positioning column is welded on the first plane, and the other positioning column is welded on the second plane.
7. The manufacturing process of the notebook computer rotating shaft protective shell according to claim 4, characterized in that: the wire passing hole penetrates from the blocking piece to the blocking column.
8. The manufacturing process of the notebook computer rotating shaft protective shell according to claim 4, characterized in that: the first cambered surface, the second cambered surface, the third cambered surface and the fourth cambered surface are all arc surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010235576.1A CN111266814A (en) | 2020-03-30 | 2020-03-30 | Manufacturing process of rotating shaft protective shell of notebook computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010235576.1A CN111266814A (en) | 2020-03-30 | 2020-03-30 | Manufacturing process of rotating shaft protective shell of notebook computer |
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| Publication Number | Publication Date |
|---|---|
| CN111266814A true CN111266814A (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010235576.1A Pending CN111266814A (en) | 2020-03-30 | 2020-03-30 | Manufacturing process of rotating shaft protective shell of notebook computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289870A (en) * | 2022-01-14 | 2022-04-08 | 深圳宝龙达信息技术股份有限公司 | Notebook aluminum shell laser welding structure and control method of laser welding system |
-
2020
- 2020-03-30 CN CN202010235576.1A patent/CN111266814A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289870A (en) * | 2022-01-14 | 2022-04-08 | 深圳宝龙达信息技术股份有限公司 | Notebook aluminum shell laser welding structure and control method of laser welding system |
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Application publication date: 20200612 |