CN107816488A - A kind of notebook computer rotation shaft shell and its manufacturing process - Google Patents
A kind of notebook computer rotation shaft shell and its manufacturing process Download PDFInfo
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- CN107816488A CN107816488A CN201711237141.5A CN201711237141A CN107816488A CN 107816488 A CN107816488 A CN 107816488A CN 201711237141 A CN201711237141 A CN 201711237141A CN 107816488 A CN107816488 A CN 107816488A
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- plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
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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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- 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
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
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- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of notebook computer rotation shaft shell and its manufacturing process, wherein rotating shaft shell includes barrel-type casing and the block in barrel-type casing, form accommodation space in barrel-type casing, the inwall of the inwall spot welding connection of block and barrel-type casing and block perpendicular to barrel-type casing；Block is welded in the inwall of barrel-type casing using laser spot welding.The rotating shaft shell structure of the present invention is simplified, and good appearance, is easy to machine-shaping, it is high with the matching degree of the rotating shaft of notebook computer, after installation, rotating shaft will not release, and fitness is high, slow-roll stabilization, the service life length of product, and connected between block and barrel-type casing by laser spot welding, no residue, junction is perfect, suitable for high-end notes this product.
Description
Technical field
The invention belongs to notebook computer rotation shaft technical field, more particularly to a kind of notebook computer rotation shaft shell and its system
Make technique.
Background technology
With the development of science and technology, various electronic products constantly occur, the life to people brings huge change, especially
It is that the use of computer changes the life style of people, accelerates the rhythm of life of people.In the late two decades, with material science
Development and the smaller integrated chip of volume occur, computer develops into a kind of small volume, thickness of thin, in light weight and be easy to carry-on
The notebook computer of carrying.And existing notebook is in the majority with cover-lifting type, to meet thin, small examining with the design such as in light weight
Consider, be typically designed to upper lid two parts structure that the base that is made up of host main body and keyboard and display screen and lid are formed
Into.And notebook computer without using or with finish state when, upper lid is just covered on its base, will must cover thereon when in use to
On raise to appropriate angle, could use easy to operation.
It is kirsite integrated punching part currently used for the Rotating Shafts that laptop computer displays are connected with keyboard body, because
It is the display of notebook computer and the connecting key of keyboard, and it is exposed, so appearance requirement is high, color requires variation, however,
Punch forming is extremely difficult to appearance requirement：There is die parting line on its surface, and bubble generation is had during electroplating processes；Product die cavity compared with
Deep, punch forming, core pattern draft is big, is extremely difficult to vertical aesthetic, and surface treatment can only electroplate at present, it is impossible to full
Sufficient diversified demand.
In addition, Chinese patent " notebook computer rotation shaft shell interior cabling structure ", application number 201310057297.0, Shen Qing Publication
Number A of CN 103149988, merely disclose " including laptop rotating shaft shell, the rotating shaft shell internal symmetry set a pair and inwardly opened
The card line door opened, on the card line door or card line door is equipped with distribution position with rotating shaft shell inwall ", lay particular emphasis on the cabling of rotating shaft shell
Structure, do not solve the above problems.
The content of the invention
The present invention solves the technical problem of provide a kind of notebook computer rotation shaft shell and its manufacturing process, its structure
Simplify, good appearance, be easy to machine-shaping, high with the matching degree of the rotating shaft of notebook computer, after installation, rotating shaft will not release,
Fitness is high, slow-roll stabilization, the service life length of product, and is connected between block and barrel-type casing by laser spot welding, without residual
Slag, junction is perfect, suitable for high-end notes this product.
In order to solve the above technical problems, one aspect of the present invention is：
The invention provides a kind of notebook computer rotation shaft shell, including barrel-type casing and the gear in the barrel-type casing
Block, the barrel-type casing is interior to form accommodation space, and the block is connected with the inwall spot welding of the barrel-type casing and the block
Perpendicular to the inwall of the barrel-type casing；
The barrel-type casing include nine faces being sequentially connected and be first, second, third, fourth respectively, the 5th, the
6th, the seven, the 8th and the 9th plane, nine faces are integrally formed, and the maximum one side of area is the first plane in nine faces, institute
It is relative with the fourth plane to state the first plane, second plane is relative with the 5th plane, the 3rd plane and institute
It is relative to state the 9th plane, first plane forms the first obtuse angle, second plane and institute with the second plane junction
State the 3rd plane junction and form the second obtuse angle, the 3rd plane forms the 3rd obtuse angle, institute with the fourth plane junction
State fourth plane and form the 4th obtuse angle, the 5th plane and the 6th plane junction shape with the 5th plane junction
Into the first reflex angle, the 6th plane and the 7th plane junction form the second reflex angle, the 7th plane and described the
Eight plane junctions form the 5th obtuse angle, and the 8th plane and the 9th plane junction form the 6th obtuse angle, and described the
Nine planes form the 7th obtuse angle with the first plane junction；
The block has two through holes and respectively large through-hole and small through hole, and the aperture of the large through-hole is more than described small
The aperture of through hole.
Further say, the blend stop that the block includes catch and edge is formed perpendicular to the direction of the catch, the gear
Piece is integrally formed with the shelves bar, the edge of the catch and first, the three, the four, the 8th and the 9th of the barrel-type casing
Plane is spot welding connection, two relative side walls of the blend stop the first plane and the 6th plane with the barrel-type casing respectively
It is in close contact, the large through-hole only runs through the catch, and the small through hole runs through the catch and the blend stop simultaneously vertically,
The shape and size of the catch are consistent with the cross sectional shape and size of the barrel-type casing.
Further say, the block is two pieces of catch, and respectively big catch and small catch, the size of the big catch
More than the size of the small catch, the shape and size of the big catch and the cross sectional shape and size one of the barrel-type casing
Cause, the edge of the big catch is that spot welding is connected with the first, the three, the four, the 8th and the 9th plane of the barrel-type casing, institute
State on small catch and its relative two edges is connected with the first plane of the barrel-type casing and the 6th plane spot welding respectively, it is described
Big catch has two through holes and respectively large through-hole and first through hole, and the small catch has the second through hole, and described first is logical
Hole and the second through hole coaxial line, and the first through hole forms the small through hole with second through hole.
Further say, the length of the barrel-type casing is 36.90 ± 0.05mm, and the block has axially opposed
One end and the other end, the distance of one end of one end of the block and the barrel-type casing are 26.20 ± 0.10mm, the block
The distance of one end of the other end and the barrel-type casing be 15.80 ± 0.05mm.
Further say, 0.4 ± 0.05mm of wall thickness of the barrel-type casing, a diameter of 2.95- of the large through-hole
3.15mm, a diameter of 2.05 ± 0.03mm of the small through hole；
First plane of the barrel-type casing is parallel with the fourth plane, second plane and the described 5th flat
Face is parallel, and the 3rd plane is parallel with the 9th plane, and the distance between the second plane and the 5th plane are 7.82-
7.94mm, the distance between the 3rd plane and the 9th plane are 12.76-12.88mm, between the first plane and fourth plane away from
From for 7.41-7.53mm；The distance between planes of Kong Xinyu the 9th of the small through hole are 5.03 ± 0.05mm, and with it is first flat
The distance between face is 2.13 ± 0.05mm；The distance between first plane described in the Kong Xinyu of the large through-hole be 3.74 ±
0.10mm, and be 9.50 ± 0.10mm with the distance between the 9th plane.
Present invention also offers a kind of manufacturing process of described notebook computer rotation shaft shell, using laser spot welding by described in
The catch and blend stop of block are welded in the inwall of the barrel-type casing, have between the catch and the inwall of the barrel-type casing
9 solder joints, and the weldering between the edge of the catch and the first, the three, the four, the 8th and the 9th plane of the barrel-type casing
Point is respectively 4,1,2,1 and 1.
Invention further provides a kind of manufacturing process of described notebook computer rotation shaft shell, using laser spot welding by described in
Big catch and the small catch are welded in the inwall of the barrel-type casing；
There is 9 solder joints, and the edge of the big catch and institute between the big catch and the inwall of the barrel-type casing
The solder joint stated between the first, the three, the four, the 8th and the 9th plane of barrel-type casing is respectively 4,1,2,1 and 1
It is individual；
There are 10 solder joints, and relative two of the small catch between the small catch and the inwall of the barrel-type casing
Solder joint between edge and the first plane and the 6th plane of the barrel-type casing is respectively 6 and 4.
Further say, the manufacturing process of described notebook computer rotation shaft shell, carry out as steps described below：
Step 1: supplied materials section bar is examined, while punching press block；
Step 2: wire cutting：Section bar supplied materials is cut；
Step 3: CNC (Digit Control Machine Tool) is processed；
Step 4: laser spot welding：The edge lasers of block are welded to the inwall of barrel-type casing；
Step 5: polishing：The surface of the barrel-type casing of countershaft shell is polished；
Step 6: plating：Countershaft shell carries out electroplating bright chromium；
Step 7: PVD (physical vapour deposition (PVD)) is handled：Countershaft shell carries out physical vapor deposition coating；
Step 8: being packed after full inspection, get product.
Further say, the manufacturing process of described notebook computer rotation shaft shell, carry out as steps described below：
Step 1: the material of supplied materials section bar, hardness, outward appearance, size and reliability are tested, while punching press block,
Wherein, supplied materials section bar is 304 stainless steels, and more than hardness HV200, surface scratches and deformed without touching, and random sampling observation is at least
100PCS, outward appearance after checking plating, ensure the surface of rotating shaft shell after electroplating without sand hole and impurity, another random sampling observation at least 30PCS
Catch, verify size and outward appearance；
Step 2: wire cutting, barrel-type casing is formed after wire cutting, and length is 37.3-37.4mm, linearity≤
0.05mm, the cut place at barrel-type casing both ends without turned-down edge, without deformation；
Step 3: to after wire cutting barrel-type casing carry out CNC processing, after processing the length of barrel-type casing be 36.85 ±
0.02mm, and the inner side chamfering at both ends and outside chamfering are R0.05-0.15mm, surface without damage, scratch and scuffing, it is hairless
Side；And block and barrel-type casing are subjected to examination assembling, and assemble the distance between the edge of backstop and the inwall of barrel-type casing<
0.05mm；
Step 4: the edge lasers of block to be welded to the inwall of barrel-type casing, and surface is without touching scuffing and bulge；
Step 5: the surface of the barrel-type casing of countershaft shell is polished, and after polishing, the both ends of barrel-type casing are without collapsing
Side, surface is without weighing wounded；
Step 6: countershaft shell carries out electroplating bright chromium, after electroplating bright chromium, outward appearance carries out hundred lattice, wear-resisting, rubber without bad
Skin, RCA and alcohol screen test；
Step 7: countershaft shell carries out PVD processing, after PVD processing, outward appearance without bad, and carry out hundred lattice, wear-resisting, rubber,
RCA and alcohol screen test；
Step 8: being packed after full inspection, get product.
Further say, before the bright chromium of the plating in step 6, countershaft shell is cleaned, and is specially：Electrochemical degreasing →
Hot water wash → cold water washes → pickling activation → bright chromium of washing → plating；Wherein pickling activation condition be：1ml/L HCL、10ml/L
H2SO4, room temperature, half a minute.
Further say, in step 7, countershaft shell carries out PVD processing, is specially：Supplied materials sampling observation → plated item is crossed alkali and gone
Oil → clear water cleans → cross acid surfaces clean → clear water clean → clean → scouring → PVD processing with acetone+talcum powder, wherein
PVD processing condition be：80 DEG C during baking, plated film when vacuum be extracted into 4.5-2 pas keep vacuum 2.8-1 pa film forming.
The beneficial effects of the invention are as follows：
The present invention forms barrel-type casing by using the mode of stainless steel extrusion forming, by punch forming block, by two
Person together, forms accommodation space by laser spot welding in barrel-type casing, for housing rotating shaft, baffle plate is used for fixed rotating shaft member
Part, the present invention and the matching degree of the rotating shaft of notebook computer are high, and after installation, rotating shaft will not release, and fitness is high, slow-roll stabilization,
The service life length of product；
The present invention uses laser spot welding technique, block and barrel-type casing is welded together, no residue, junction perfection nothing
The flaw, product is high-end, suitable for high-end notes this product；Wherein, there is at least nine weldering between block and the inwall of barrel-type casing
Point, pad Energy distribution is uniform, there is optimal spot welding point in welding；The advantages that laser beam quality is good, and hot spot is thin, can be accurate
Tack weld, the welding of computer auto-control；Flexibility is big：Non-contact remote weldering can be carried out to the position for being difficult to adjust
Connect；Special automatic fixture can be customized, realizes the demand of batch production；Smooth welded seam is attractive in appearance, after welding without reprocessing or
Simple process；Speed is fast, the depth of weld is big, thermal deformation is small；
The structure of the present invention is simplified, and is easy to machine-shaping, is set on the outside of rotating shaft, in addition, successively using plating and PVD
Product surface is handled, keeps overall structure outer surface fine and close bright, air attractive in appearance, especially suitable for high-end computer,
And the coat of metal of different colours can be plated with PVD, color is various, meets customer need, with notebook according to client's needs
The color of computer and the matching degree of outward appearance are higher, more high-end and professional；
The rotating shaft shell of the present invention is extruded from for bar section of stainless steel, light, wall is thin compared to traditional die casting, full
The demand that sufficient notebook computer develops toward lightening direction；And the size and dimension of barrel-type casing is reasonable in design, frivolous same
Shi Qiangdu is enough, good with the fitness of computer rotation shaft, service life length；
The another present invention uses stainless steel, not easy to wear compared to traditional plastic parts, is not easy to scratch, service life length.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, described in detail below with presently preferred embodiments of the present invention as after.
Brief description of the drawings
Fig. 1 is one of surface structure schematic diagram of embodiments of the invention 1；
Fig. 2 is the two of the surface structure schematic diagram of embodiments of the invention 1；
Fig. 3 .1 are one of front views of embodiments of the invention 1；
Fig. 3 .2 are two (containing block) of the front view of embodiments of the invention 1；
Fig. 4 is the left view (containing solder joint) of embodiments of the invention 1；
Fig. 5 .1 are one of right views of embodiments of the invention 1；
Fig. 5 .2 are the two of the right view of embodiments of the invention 1；
Fig. 6 is the structural representation of the block of embodiments of the invention 1；
Fig. 7 is one of surface structure schematic diagram of embodiments of the invention 2；
Fig. 8 is the two of the surface structure schematic diagram of embodiments of the invention 2；
Fig. 9 .1 are one of front views of embodiments of the invention 2；
Fig. 9 .2 are two (containing block) of the front view of embodiments of the invention 2；
Figure 10 is the left view (containing solder joint) of embodiments of the invention 2；
Figure 11 is the right view (containing solder joint) of embodiments of the invention 2；
Figure 12 is the structural representation of the block of embodiments of the invention 2；
Barrel-type casing 1, first, second, third, fourth, the five, the six, the seven, the 8th and the 9th plane (11,12,13,
14th, 15,16,17,18 and 19), the first obtuse angle alpha 1, the second obtuse angle alpha 2, the 3rd obtuse angle alpha 3, the 4th obtuse angle alpha 4, the first reflex angle β 1,
Two reflex angle β 2, the 5th obtuse angle alpha 5, the 6th obtuse angle alpha 6, the 7th obtuse angle alpha 7, block 2, catch 21, blend stop 22, large through-hole (23,31) are small
Through hole 24, big catch 3, small catch 4, first through hole 32, the second through hole 41, the length h1 of barrel-type casing, the one side and cylinder of block
The distance h3, the second plane and the 5th plane of the distance h2 of one end of shape housing, the another side of block and barrel-type casing one end
The distance between the distance between the distance between h4, the 3rd plane and the 9th plane h5, the first plane and fourth plane h6, small
The distance between the planes of Kong Xinyu the 9th of through hole h7 and with the distance between the first plane h8, the Kong Xinyu first of large through-hole
The distance between plane h9 and with the distance between the 9th plane h10, solder joint 5.
Embodiment
Illustrate the embodiment of the present invention below by way of particular specific embodiment, those skilled in the art can be by this
Content disclosed in specification understands advantages of the present invention and effect easily.The present invention can also other different modes give
Implement, i.e. without departing substantially under the scope of disclosed, different modification and change can be given.
Same notebook computer includes the rotating shaft shell described in two, and two rotating shaft shell speculars.
A kind of notebook computer rotation shaft shell, as shown in Fig. 1 to Figure 12, including barrel-type casing 1 and located at the barrel-type casing
Interior block, the barrel-type casing is interior to form accommodation space, and the block is connected with the inwall spot welding of the barrel-type casing and institute
State inwall of the block perpendicular to the barrel-type casing；
The barrel-type casing include nine faces being sequentially connected and be first, second, third, fourth respectively, the 5th, the
6th, the seven, the 8th and the 9th plane (11,12,13,14,15,16,17,18 and 19), nine faces are integrally formed, nine faces
The maximum one side of middle area is the first plane, and first plane is relative with the fourth plane, second plane with it is described
5th plane is relative, and the 3rd plane is relative with the 9th plane, first plane and the second plane junction
Form the first obtuse angle alpha 1, second plane and the 3rd plane junction form the second obtuse angle alpha 2, the 3rd plane with
The fourth plane junction forms the 3rd obtuse angle alpha 3, and the fourth plane forms the 4th obtuse angle with the 5th plane junction
α 4, the 5th plane form the first reflex angle β 1, the 6th plane and the 7th plane with the 6th plane junction
The second reflex angle β 2 of junction formation, the 7th plane and the 5th obtuse angle alpha 5 of the 8th plane junction formation, the described 8th
Plane and the 9th plane junction form the 6th obtuse angle alpha 6, and the 9th plane and the first plane junction form the
Seven obtuse angle alphas 7；
In the present embodiment, first obtuse angle alpha 1, the second obtuse angle alpha 2, the 3rd obtuse angle alpha 3, the 4th obtuse angle alpha 4, the first reflex angle β
1st, the second reflex angle β 2, the 5th obtuse angle alpha 5, the 6th obtuse angle alpha 6 and the 7th obtuse angle alpha 7 divide for 124 °, 118 °, 118 °, 124 °, 208 °,
212 °, 115 °, 124 ° and 119 °；Tolerance is ± 1 °.
The block has two through holes and respectively large through-hole and small through hole, and the aperture of the large through-hole is more than described small
The aperture of through hole.
The length h1 of the barrel-type casing is 36.90 ± 0.05mm, and the block has axially opposed one end and another
One end, the distance h2 of one end of one end of the block and the barrel-type casing are 26.20 ± 0.10mm, the block it is another
The distance h3 at end and one end of the barrel-type casing is 15.80 ± 0.05mm.
The manufacturing process of described notebook computer rotation shaft shell, is carried out as steps described below：
Step 1: supplied materials section bar is examined, while punching press block；
Step 2: wire cutting：Section bar supplied materials is cut；
Step 3: CNC (Digit Control Machine Tool) is processed；
Step 4: laser spot welding：The edge lasers of block are welded to the inwall of barrel-type casing；
Step 5: polishing：The surface of the barrel-type casing of countershaft shell is polished；
Step 6: plating：Countershaft shell carries out electroplating bright chromium；
Step 7: PVD (physical vapour deposition (PVD)) is handled：Countershaft shell carries out physical vapor deposition coating；
Step 8: being packed after full inspection, get product.
Polishing in step 5 can also be realized by the way of polishing.
Embodiment 1：In the present embodiment, as shown in Fig. 1 to Fig. 6, the block 2 includes catch 21 and along perpendicular to the gear
The blend stop 22 that the direction of piece is formed, the catch are integrally formed with the shelves bar, the edge of the catch and the barrel-type casing
First, the three, the four, the 8th with the 9th plane be that spot welding connects, two relative side walls of the blend stop respectively with it is described
First plane of barrel-type casing is in close contact with the 6th plane, and remaining in the side wall of shelves bar and the nine of barrel-type casing planes is flat
Face is contactless, and the large through-hole 23 only runs through the catch, and the small through hole 24 is vertically simultaneously through the catch and described
Blend stop, the shape and size of the catch are consistent with the cross sectional shape and size of the barrel-type casing.
0.4 ± 0.05mm of wall thickness of the barrel-type casing, a diameter of 2.95-3.15mm of the large through-hole are described small logical
A diameter of 2.05 ± 0.03mm in hole；
First plane of the barrel-type casing is parallel with the fourth plane, second plane and the described 5th flat
Face is parallel, and the 3rd plane is parallel with the 9th plane, and the distance between the second plane and the 5th plane h4 are 7.82-
7.94mm, the distance between the 3rd plane and the 9th plane h5 are 12.76-12.88mm, between the first plane and fourth plane
Distance h6 is 7.41-7.53mm；The distance between the planes of Kong Xinyu the 9th of small through hole h7 is 5.03 ± 0.05mm, and with
The distance between first plane h8 is 2.13 ± 0.05mm；The distance between first plane h9 described in the Kong Xinyu of the large through-hole
For 3.74 ± 0.10mm, and it is 9.50 ± 0.10mm with the distance between the 9th plane h10.
The length of the barrel-type casing is 36.90 ± 0.05mm, the catch and the distance of one end of the barrel-type casing
For 26.20 ± 0.10mm, the distance of the end of the blend stop and same one end of the barrel-type casing is 15.80 ± 0.05mm, institute
The thickness for stating catch is 1mm.
The manufacturing process of described notebook computer rotation shaft shell, the catch of the block and blend stop are welded using laser spot welding
The inwall of the barrel-type casing is connected to, there is 9 solder joints 5, and the gear between the catch and the inwall of the barrel-type casing
Solder joint between the edge of piece and the first, the three, the four, the 8th and the 9th plane of the barrel-type casing is respectively 4,1,
2,1 and 1.
The manufacturing process of described notebook computer rotation shaft shell, is carried out as steps described below：
Step 1: the material of supplied materials section bar, hardness, outward appearance, size and reliability are tested, while punching press block,
Wherein, supplied materials section bar is 304 stainless steels, and more than hardness HV200, surface scratches and deformed without touching, and random sampling observation is at least
100PCS (part), outward appearance after checking plating, ensure the surface of rotating shaft shell after electroplating without sand hole and impurity, another random sampling observation is at least
30PCS catch, verify size and outward appearance；
Step 2: wire cutting, barrel-type casing is formed after wire cutting, and length is 37.3-37.4mm, linearity≤
0.05mm, the cut place at barrel-type casing both ends without turned-down edge, without deformation；
Step 3: to after wire cutting barrel-type casing carry out CNC processing, after processing the length of barrel-type casing be 36.85 ±
0.02mm, and the inner side chamfering at both ends and outside chamfering are R0.05-0.15mm, surface without damage, scratch and scuffing, it is hairless
Side；And block and barrel-type casing are subjected to examination assembling, and assemble the distance between the edge of backstop and the inwall of barrel-type casing<
0.05mm；
Step 4: the edge lasers of block to be welded to the inwall of barrel-type casing, and surface is without touching scuffing and bulge；
Step 5: the surface of the barrel-type casing of countershaft shell is polished, and after polishing, the both ends of barrel-type casing are without collapsing
Side, surface is without weighing wounded；
Step 6: countershaft shell carries out electroplating bright chromium, after electroplating bright chromium, outward appearance carries out hundred lattice, wear-resisting, rubber without bad
Skin, RCA and alcohol screen test；
Step 7: countershaft shell carries out PVD processing, after PVD processing, outward appearance without bad, and carry out hundred lattice, wear-resisting, rubber,
RCA and alcohol screen test；
Step 8: being packed after full inspection, get product.
According to client's needs, after step 4 can on rotating shaft shell laser engraving word.
Before the bright chromium of plating in step 6, countershaft shell is cleaned, and is specially：Electrochemical degreasing → hot water wash → cold water
Wash → pickling activation → bright chromium of washing → plating；Wherein pickling activation condition be：1ml/L HCL、10ml/L H2SO4, room temperature, half
Minute.
In the present embodiment, the thickness of the bright chromium of the electroplating surface of rotating shaft shell is 0.05 μm.
In step 7, countershaft shell carries out PVD processing, is specially：Supplied materials sampling observation → plated item cross alkali deoil → clear water is clear
Wash → cross acid surfaces clean → clear water clean → clean → scouring → PVD processing with acetone+talcum powder, the bar of wherein PVD processing
Part is：80 DEG C during baking, plated film when vacuum be extracted into 4.5-2 pas keep vacuum 2.8-1 pa film forming.
In step 4, the laser spot welding is pulse laser spot welding and procedure parameter is as follows：Process velocity is 500-
1000mm/s, the ratio between power output and rated power are 10-20%, frequency 10-25Hz, pulsewidth 1.5-8ms, voltage 5-
25V, turning coefficient are 1-200, peak value 0.5-2.0kw, set energy as 1.5-5.0J, and output energy is 1.5-4.0J, defeated
It is 5-20w to go out power, and the water temperature upper limit is 25-40 DEG C, and water temperature lower limit is 5-15 DEG C.
Embodiment 2：As shown in Fig. 7 to Figure 12, structure is similar to Example 1, and difference is：
The block is two pieces of catch, and respectively big catch 3 and small catch 4, and the size of the big catch is more than described
The size of small catch, the shape and size of the big catch are consistent with the cross sectional shape and size of the barrel-type casing, described big
The edge of catch is connected with the first, the three, the four, the 8th and the 9th plane of the barrel-type casing for spot welding, the small catch
Upper and its relative two edges are connected with the first plane of the barrel-type casing and the 6th plane spot welding respectively, the big catch tool
There are two through holes and respectively large through-hole 31 and first through hole 32, the small catch has the second through hole 41, the first through hole
With the second through hole coaxial line, and the first through hole and second through hole form the small through hole.
The length of the barrel-type casing is 36.90 ± 0.05mm, the big catch and one end of the barrel-type casing away from
From for 26.20 ± 0.10mm, the small catch and the distance of same one end of the barrel-type casing are 15.80 ± 0.05mm, described
The thickness of big catch and the small catch is 1mm.
The manufacturing process of described notebook computer rotation shaft shell, using laser spot welding by the big catch and the small catch
It is welded in the inwall of the barrel-type casing；
There is 9 solder joints, and the edge of the big catch and institute between the big catch and the inwall of the barrel-type casing
The solder joint stated between the first, the three, the four, the 8th and the 9th plane of barrel-type casing is respectively 4,1,2,1 and 1
It is individual；
There are 10 solder joints, and relative two of the small catch between the small catch and the inwall of the barrel-type casing
Solder joint between edge and the first plane and the 6th plane of the barrel-type casing is respectively 6 and 4.
Embodiment 1 and embodiment 2 form barrel-type casing by using the mode of stainless steel extrusion forming, pass through punch forming
Block, by the two by laser spot welding together, accommodation space is formed in barrel-type casing, for housing rotating shaft, baffle plate is used for solid
Determine Spiale element, the present invention and the matching degree of the rotating shaft of notebook computer are high, and after installation, rotating shaft will not release, and fitness is high, turn
Dynamic stability, the service life length of product；
The present invention uses laser spot welding technique, block and barrel-type casing is welded together, no residue, junction perfection nothing
The flaw, product is high-end, suitable for high-end notes this product；Wherein, there is at least nine weldering between block and the inwall of barrel-type casing
Point；
Successively product surface is handled using plating and PVD, keeps overall structure outer surface fine and close bright,
Air attractive in appearance, especially suitable for high-end computer, and the coat of metal of different colours, face according to client's needs, can be plated with PVD
Color is various, meets customer need, higher with the color of notebook computer and the matching degree of outward appearance, more high-end and professional.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure that bright specification is made, or other related technical areas are directly or indirectly used in, similarly it is included in this hair
In bright scope of patent protection.
Claims (10)
- A kind of 1. notebook computer rotation shaft shell, it is characterised in that：Including barrel-type casing (1) and the gear in the barrel-type casing Block, the barrel-type casing is interior to form accommodation space, and the block is connected with the inwall spot welding of the barrel-type casing and the block Perpendicular to the inwall of the barrel-type casing；The barrel-type casing include nine faces being sequentially connected and be first, second, third, fourth respectively, the 5th, the 6th, the 7th, the 8th and the 9th plane (11,12,13,14,15,16,17,18 and 19), nine faces are integrally formed, face in nine faces The maximum one side of product is the first plane, and first plane is relative with the fourth plane, second plane and the described 5th Plane is relative, and the 3rd plane is relative with the 9th plane, and first plane is formed with the second plane junction First obtuse angle (α 1), second plane and the 3rd plane junction form the second obtuse angle (α 2), the 3rd plane with The fourth plane junction forms the 3rd obtuse angle (α 3), and the fourth plane and the 5th plane junction formation the 4th are blunt Angle (α 4), the 5th plane and the 6th plane junction form the first reflex angle (β 1), the 6th plane and described the Seven plane junctions form the second reflex angle (β 2), and the 7th plane forms the 5th obtuse angle (α with the 8th plane junction 5), the 8th plane and the 9th plane junction form the 6th obtuse angle (α 6), the 9th plane and described first flat Face junction forms the 7th obtuse angle (α 7)；The block has two through holes and respectively large through-hole and small through hole, the aperture of the large through-hole are more than the small through hole Aperture.
- 2. notebook computer rotation shaft shell according to claim 1, it is characterised in that：The block (2) includes catch (21) It is integrally formed with along the blend stop (22) formed perpendicular to the direction of the catch, the catch with the shelves bar, the catch Edge is connected with the first, the three, the four, the 8th and the 9th plane of the barrel-type casing for spot welding, two phases of the blend stop To side wall be in close contact respectively with the first plane of the barrel-type casing and the 6th plane, the large through-hole (23) only runs through institute State catch, the small through hole (24) run through the catch and the blend stop simultaneously vertically, the shape and size of the catch and The cross sectional shape and size of the barrel-type casing are consistent.
- 3. notebook computer rotation shaft shell according to claim 1, it is characterised in that：The block is two pieces of catch, and point Not Wei big catch (3) and small catch (4), the size of the big catch is more than the size of the small catch, the shape of the big catch Shape and size are consistent with the cross sectional shape and size of the barrel-type casing, and the of the edge of the big catch and the barrel-type casing First, the three, the four, the 8th with the 9th plane be spot welding connect, on the small catch and its relative two edges respectively with it is described First plane of barrel-type casing connects with the 6th plane spot welding, and the big catch has two through holes and respectively large through-hole (31) With first through hole (32), the small catch has the second through hole (41), the first through hole and the second through hole coaxial line, and The first through hole forms the small through hole with second through hole.
- 4. notebook computer rotation shaft shell according to claim 1, it is characterised in that：The length (h1) of the barrel-type casing is 36.90 ± 0.05mm, the block have axially opposed one end and the other end, one end of the block and the cylinder outer race The distance (h2) of one end of body is 26.20 ± 0.10mm, the other end of the block and the distance of one end of the barrel-type casing (h3) it is 15.80 ± 0.05mm.
- 5. notebook computer rotation shaft shell according to claim 1, it is characterised in that：The wall thickness 0.4 of the barrel-type casing ± 0.05mm, a diameter of 2.95-3.15mm of the large through-hole, a diameter of 2.05 ± 0.03mm of the small through hole；First plane of the barrel-type casing is parallel with the fourth plane, and second plane is put down with the 5th plane OK, the 3rd plane is parallel with the 9th plane, and the distance between the second plane and the 5th plane (h4) are 7.82- 7.94mm, the distance between the 3rd plane and the 9th plane (h5) are 12.76-12.88mm, between the first plane and fourth plane Distance (h6) be 7.41-7.53mm；The distance between the planes of Kong Xinyu the 9th of the small through hole (h7) be 5.03 ± 0.05mm, and be 2.13 ± 0.05mm with the distance between the first plane (h8)；First is flat described in the Kong Xinyu of the large through-hole The distance between face (h9) is 3.74 ± 0.10mm, and is 9.50 ± 0.10mm with the distance between the 9th plane (h10).
- A kind of 6. manufacturing process of notebook computer rotation shaft shell according to claim 2, it is characterised in that：Using laser spots The catch of the block and blend stop are welded in the inwall of the barrel-type casing, the inwall of the catch and the barrel-type casing by weldering Between there are 9 solder joints (5), and the edge of the catch and first, the three, the four, the 8th and the 9th of the barrel-type casing Solder joint between plane is respectively 4,1,2,1 and 1.
- A kind of 7. manufacturing process of notebook computer rotation shaft shell according to claim 3, it is characterised in that：Using laser spots The big catch and the small catch are welded in the inwall of the barrel-type casing by weldering；There is 9 solder joints, and the edge of the big catch and the cylinder between the big catch and the inwall of the barrel-type casing Solder joint between first, the three, the four, the 8th and the 9th plane of shape housing is respectively 4,1,2,1 and 1；There are 10 solder joints, and the relative two edges of the small catch between the small catch and the inwall of the barrel-type casing Solder joint between the first plane and the 6th plane of the barrel-type casing is respectively 6 and 4.
- 8. the manufacturing process of the notebook computer rotation shaft shell according to claim 6 or 7, it is characterised in that：According to following steps It is rapid to carry out：Step 1: supplied materials section bar is examined, while punching press block；Step 2: wire cutting：Section bar supplied materials is cut；Step 3: CNC is processed；Step 4: laser spot welding：The edge lasers of block are welded to the inwall of barrel-type casing；Step 5: polishing：The surface of the barrel-type casing of countershaft shell is polished；Step 6: plating：Countershaft shell carries out electroplating bright chromium；Step 7: PVD processing：Countershaft shell carries out physical vapor deposition coating；Step 8: being packed after full inspection, get product.
- 9. the manufacturing process of notebook computer rotation shaft shell according to claim 8, it is characterised in that：Enter as steps described below OK：Step 1: the material of supplied materials section bar, hardness, outward appearance, size and reliability are tested, while punching press block, wherein, Supplied materials section bar is 304 stainless steels, and more than hardness HV200, surface scratches and deformed without touching, and random sampling observation at least 100PCS, tests Outward appearance after card plating, ensure the surface of rotating shaft shell after electroplating without sand hole and impurity, another random sampling observation at least 30PCS catch, checking Size and outward appearance；Step 2: wire cutting, barrel-type casing is formed after wire cutting, and length is 37.3-37.4mm, linearity≤0.05mm, cylinder The cut place at shape housing both ends without turned-down edge, without deformation；Step 3: to after wire cutting barrel-type casing carry out CNC processing, after processing the length of barrel-type casing be 36.85 ± 0.02mm, and the inner side chamfering at both ends and outside chamfering are R0.05-0.15mm, surface without damage, scratch and scuffing, it is hairless Side；And block and barrel-type casing are subjected to examination assembling, and assemble the distance between the edge of backstop and the inwall of barrel-type casing< 0.05mm；Step 4: the edge lasers of block to be welded to the inwall of barrel-type casing, and surface is without touching scuffing and bulge；Step 5: the surface of the barrel-type casing of countershaft shell is polished, and after polishing, the both ends of barrel-type casing are without turned-down edge, table Face is without weighing wounded；Step 6: countershaft shell carries out electroplating bright chromium, after electroplating bright chromium, outward appearance without bad, and carry out hundred lattice, wear-resisting, rubber, RCA and alcohol screen test；Step 7: countershaft shell carries out PVD processing, after PVD processing, outward appearance carries out hundred lattice, wear-resisting, rubber, RCA without bad And alcohol screen test；Step 8: being packed after full inspection, get product.
- 10. the application method of notebook computer rotation shaft shell according to claim 9, it is characterised in that：Electricity in step 6 Before plating bright chromium, countershaft shell is cleaned, and is specially：Electrochemical degreasing → hot water wash → cold water washes → and pickling activation → washing → Plate bright chromium；Wherein pickling activation condition be：1ml/L HCL、10ml/L H2SO4, room temperature, half a minute.
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| CN201711237141.5A CN107816488A (en) | 2017-11-30 | 2017-11-30 | A kind of notebook computer rotation shaft shell and its manufacturing process |
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| CN201711237141.5A CN107816488A (en) | 2017-11-30 | 2017-11-30 | A kind of notebook computer rotation shaft shell and its manufacturing process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110687964A (en) * | 2018-07-05 | 2020-01-14 | 昆山英思捷精密电子有限公司 | Notebook computer pivot protective sheath |
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Application publication date: 20180320 |