CN107906116A - A kind of notebook computer rotation shaft box and its manufacturing process - Google Patents
A kind of notebook computer rotation shaft box and its manufacturing process Download PDFInfo
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- CN107906116A CN107906116A CN201711236674.1A CN201711236674A CN107906116A CN 107906116 A CN107906116 A CN 107906116A CN 201711236674 A CN201711236674 A CN 201711236674A CN 107906116 A CN107906116 A CN 107906116A
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- plane
- box body
- hole
- catch
- tubular box
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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
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a kind of notebook computer rotation shaft box and its manufacturing process, wherein shaft box includes tubular box body and the block in tubular box body, form accommodating space in tubular box body, block be connected with the inner wall spot welding of tubular box body and block perpendicular to tubular box body inner wall；Block is welded in the inner wall of tubular box body using laser spot welding.The shaft box structure of the present invention is simplified, good appearance, shaping easy to process, it is high with the matching degree of the shaft of laptop, after installation, shaft will not loosen, and fitness is high, slow-roll stabilization, the service life length of product, and connected between block and tubular box body 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 box 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 latest 20 years, with material science
Development and the integrated chip of volume smaller occur, computer develops into a kind of small, and thickness is thin, light-weight and be easy to carry-on
The laptop of carrying.And existing notebook is in the majority with cover-lifting type, to meet thin, small examining with the design such as light-weight
Consider, be typically designed to upper cover two parts structure that the base that is made of host main body and keyboard and display screen and lid are formed
Into.And laptop without using or with finish state when, upper cover is just covered on its base, when in use must by its upper cover 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 laptop 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 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 " rotation shaft cabin of laptop interior cabling structure ", application number 201310057297.0, Shen Qing Publication
Number 103149988 A of CN, merely disclose " including laptop rotating shaft storehouse, shaft storehouse internal symmetry set a pair inwardly to open
The card line door opened, on the card line door or card line door is equipped with distribution position with shaft storehouse inner wall ", lay particular emphasis on the cabling in shaft storehouse
Structure, does not solve the above problems.
The content of the invention
The invention mainly solves the technical problem of providing a kind of notebook computer rotation shaft box and its manufacturing process, its structure
Simplify, good appearance, shaping easy to process, high with the matching degree of the shaft of laptop, after installation, shaft will not loosen,
Fitness is high, slow-roll stabilization, the service life length of product, and is connected between block and tubular box body 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 present invention provides a kind of notebook computer rotation shaft box, including tubular box body and the gear in the tubular box body
Block, the tubular box body is interior to form accommodating space, and the block is connected with the inner wall spot welding of the tubular box body and the block
Perpendicular to the inner wall of the tubular box body；
The tubular box body includes sequentially connected nine faces and is the first plane, the second plane, the 3rd face, the 4th respectively
Plane, the 5th plane, the 6th plane, the 7th plane, the 8th plane and the 9th plane, nine faces are integrally formed, nine faces
The one side of middle area maximum is the first plane, and first plane is opposite with the fourth plane, second plane with it is described
5th plane is opposite, and the 3rd face is opposite with the 9th plane, first plane and the second plane junction shape
Into the first obtuse angle, the fourth plane and the 5th plane junction form the second obtuse angle, the 5th plane and described the
Six plane junctions form the first reflex angle, and the 6th plane and the 7th plane junction form the second reflex angle, and described the
Seven planes and the 8th plane junction form the 3rd obtuse angle, and the 8th plane and the 9th plane junction form the
Four obtuse angles, the 9th plane form the 5th obtuse angle with the first plane junction；
The block has three through holes and respectively large through-hole, middle through hole and small through hole, the aperture of the large through-hole are big
In the aperture of middle through hole, and the aperture of middle through hole is more than the aperture of the small through hole；The large through-hole is close to the tubular box body
The 3rd plane, for the middle through hole close to the 9th plane of the tubular box body, the small through hole is located at the middle through hole and institute
State between large 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 first plane of the edge of the catch and the tubular box body, the 3rd face, fourth plane,
5th plane is connected with the 7th plane for spot welding, the first plane, the 5th plane of the side wall of the blend stop and the tubular box body
It is in close contact with the 6th plane and is connected for spot welding, the large through-hole and the middle through hole all only runs through the catch, described small
Through hole runs through the catch and the blend stop, the shape and size of the catch and the section of the tubular box body at the same time vertically
Shape and size are consistent.
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 tubular box body
Cause, the first plane of the edge of the big catch and the tubular box body, the 3rd face, fourth plane, the 5th plane and the 7th are flat
Face connects for spot welding, first plane, the 5th plane and the 6th plane spot welding at the edge of the small catch and the tubular box body
Connection, the big catch have three through holes and respectively large through-hole, first through hole and middle through hole, and the small catch has second
Through hole, the first through hole and the second through hole coaxial line, and the first through hole and second through hole composition are described small
Through hole.
The length of the tubular box body is 34.00 ± 0.05mm, and the block has axially opposed one end and another
End, the distance of one end of one end of the block and the tubular box body be 24.50 ± 0.10mm, the other end of the block and
The distance of one end of the tubular box body is 13.70 ± 0.05mm.
Further say, 0.4 ± 0.05mm of wall thickness of the tubular box body, the large through-hole a diameter of 3.50 ±
0.10mm, a diameter of 3.00 ± 0.10mm of the middle through hole, a diameter of 2.05 ± 0.03mm of the small through hole；
Vertical range between the junction and the first plane of fourth plane and the 5th plane is 9.59-9.71mm, the 8th
Vertical range between the junction and the second plane of plane and the 9th plane is 14.16-14.28mm；The hole of the large through-hole
The distance between the heart and the second plane are 5.39 ± 0.10mm, and are 4.84 ± 0.10mm with the distance between the first plane；Institute
It is 8.47 ± 0.05mm to state the distance between second planes of Kong Xinyu of small through hole, and is 2.82 with the distance between the first plane
±0.05mm；The distance between second planes of Kong Xinyu of the middle through hole are 11.88 ± 0.10mm, and between the first plane
Distance be 2.45 ± 0.10mm.
Present invention also offers a kind of manufacturing process of the notebook computer rotation shaft box, it is characterised in that：Using sharp
Luminous point welds the inner wall that the catch of the block and blend stop are welded in the tubular box body, the catch and the tubular box body
There is 10 solder joints, and the first plane of the edge of the catch and the tubular box body, the 3rd face, Siping City between inner wall
Solder joint between face, the 5th plane and the 7th plane is respectively 5,1,2,1 and 1；
There is 11 solder joints, and the side wall of the blend stop and the cylinder between the inner wall of the blend stop and the tubular box body
Solder joint between first plane of shape box body, the 5th plane and the 6th plane is respectively 6,3 and 2.
Invention further provides a kind of manufacturing process of the notebook computer rotation shaft box, using laser spot welding by described in
Big catch and the small catch are welded in the inner wall of the tubular box body；
There is 10 solder joints, and the edge of the big catch and institute between the inner wall of the big catch and the tubular box body
State the solder joint between the first plane, the 3rd face, fourth plane, the 5th plane and the 7th plane of tubular box body be respectively 5,1
It is a, 2,1 and 1；
There is 11 solder joints, and the edge of the small catch and institute between the inner wall of the small catch and the tubular box body
It is respectively 6,3 and 2 to state the solder joint between the first plane of tubular box body and the 6th plane.
Further say, the manufacturing process of the notebook computer rotation shaft box, carries 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 is processed；
Step 4: laser spot welding：The edge lasers of block are welded to the inner wall of tubular box body；
Step 5: polishing：The surface of the tubular box body of countershaft box is polished；
Step 6: plating：Countershaft box carries out electroplating bright chromium；
Step 7: PVD processing：Countershaft box carries out physical vapor deposition coating；
Step 8: being packed after full inspection, get product.
Further say, the manufacturing process of the notebook computer rotation shaft box, carries out as steps described below：
Step 1: test to the material of supplied materials section bar, hardness, appearance, size and reliability, while punching press block,
Wherein, supplied materials section bar is 304 stainless steels, more than hardness HV200, and surface is without touching scuffing and deformation, and random sampling observation is at least
100PCS, appearance after verification plating, ensures the surface of shaft box after electroplating without sand hole and impurity, another random sampling observation at least 30PCS
Catch, verifies size and appearance；
Step 2: wire cutting, formation tubular box body after wire cutting, and length are 34.4-34.5mm, straightness≤
0.05mm, the cut place at tubular box body both ends without turned-down edge, without deformation；
Step 3: CNC (numerically-controlled machine tool) processing, the length of tubular box body after processing are carried out to the tubular box body after wire cutting
For 33.95 ± 0.02mm, and the inner side chamfering at both ends and outside chamfering are R0.05-0.15mm, surface without damage, scratch and
Scratch, no flash；And block and tubular box body are subjected to examination assembling, and assemble the edge of backstop and tubular box body inner wall it
Between distance<0.05mm；
Step 4: the edge lasers of block to be welded to the inner wall of tubular box body, and surface is without touching scuffing and bulge；
Step 5:：The surface of the tubular box body of countershaft box is polished, and after polishing, and the both ends of tubular box body are without collapsing
Side, surface is without weighing wounded；
Step 6: countershaft box carries out electroplating bright chromium, after electroplating bright chromium, appearance carries out hundred lattice, wear-resisting, rubber without bad
Skin, RCA (paper tape wear testing) and alcohol screen test；
Step 7: countershaft box carries out PVD processing, after PVD processing, 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 box 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 box carries out PVD processing, is specially：Supplied materials sampling observation → plated item is crossed alkali and is 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 and keep vacuum 2.8-1 pas film forming.
The beneficial effects of the invention are as follows：
The present invention forms tubular box body by using the mode of stainless steel extrusion forming, by punch forming block, by two
Person together, forms accommodating space by laser spot welding in tubular box body, for housing shaft, block is used for fixed rotating shaft member
Part, the matching degree of the present invention and the shaft of laptop are high, and after installation, shaft will not loosen, and fitness is high, slow-roll stabilization,
The service life length of product；
The present invention uses laser spot welding technique, block and tubular box body 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 ten weldering between the inner wall of block and tubular box body
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 beautiful, 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, shaping easy to process, is set on the outside of shaft, in addition, successively using plating and PVD process
Product surface is handled, keeps overall structure outer surface fine and close bright, beautiful air, especially suitable for high-end computer,
And can be according to client's needs, with the coat of metal of PVD process plating different colours, color is various, meets customer need, with notebook
The color of computer and the matching degree higher of appearance, it is more high-end and professional；
The shaft box 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 laptop develops toward lightening direction；And the size and dimension design of tubular box body is reasonable, 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 the embodiment of the present invention 1；
Fig. 2 is the two of the surface structure schematic diagram of the embodiment of the present invention 1；
Fig. 3 .1 are one of front views of the embodiment of the present invention 1；
Fig. 3 .2 are two (containing block) of the front view of the embodiment of the present invention 1；
Fig. 4 is the left view (containing solder joint) of the embodiment of the present invention 1；
Fig. 5 .1 are one of right views of the embodiment of the present invention 1；
Fig. 5 .2 are the two of the right view of the embodiment of the present invention 1；
Fig. 6 is the structure diagram of the block of the embodiment of the present invention 1；
Fig. 7 is one of surface structure schematic diagram of the embodiment of the present invention 2；
Fig. 8 is the two of the surface structure schematic diagram of the embodiment of the present invention 2；
Fig. 9 .1 are one of front views of the embodiment of the present invention 2；
Fig. 9 .2 are two (containing block) of the front view of the embodiment of the present invention 2；
Figure 10 is the left view (containing solder joint) of the embodiment of the present invention 2；
Figure 11 is the right view (containing solder joint) of the embodiment of the present invention 2；
Tubular box body 1, the first plane 11, the second plane 12, the 3rd face 13, fourth plane, the 5th plane, the 6th plane,
7th plane, the 8th plane and the 9th plane (14,15,16,17,18 and 19), the first obtuse angle alpha 1, the second obtuse angle alpha the 2, the 3rd are blunt
Angle α 3, the 4th obtuse angle alpha 4, the first reflex angle β 1, the second reflex angle β 2, the 5th obtuse angle alpha 5, block 2, catch 21, blend stop 22, large through-hole
(23,31) small through hole 24, middle through hole (25,33), big catch 3, small catch 4, first through hole 32, the second through hole 41, tubular box body
Length h1, the distance h2 of one end of one end and tubular box body of block, the other end of block and one end of tubular box body away from
From vertical range h4, the 8th plane and the 9th plane between h3, the junction of fourth plane and the 5th plane and the first plane
Junction and the second plane between vertical range h5, large through-hole the distance between the second planes of Kong Xinyu h6 and with
The distance between one plane h7, the distance between the second planes of Kong Xinyu h8 of small through hole and the distance between with the first plane
H9, middle through hole the distance between the second planes of Kong Xinyu h10 and with the distance between the first plane h11, the width of blend stop
W1, the width w2 of small catch, 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
The revealed content of 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 laptop includes the shaft box described in two, and two shaft box mirror symmetries.
A kind of notebook computer rotation shaft box, as shown in Fig. 1 to Figure 11, including tubular box body 1 and arranged on the tubular box body
Interior block, the tubular box body is interior to form accommodating space, and the block is connected with the inner wall spot welding of the tubular box body and institute
State inner wall of the block perpendicular to the tubular box body；
The tubular box body includes sequentially connected nine faces and is the first plane 11, the second plane 12, the 3rd face respectively
13rd, fourth plane, the 5th plane, the 6th plane, the 7th plane, the 8th plane and the 9th plane (14,15,16,17,18 and
19), nine faces are integrally formed, and the one side of area maximum is the first plane in nine faces, first plane and described the
Four planes are opposite, and second plane is opposite with the 5th plane, and the 3rd face is opposite with the 9th plane, and described
One plane forms the first obtuse angle alpha 1 with the second plane junction, and the fourth plane is formed with the 5th plane junction
Second obtuse angle alpha 2, the 5th plane and the 6th plane junction form the first reflex angle β 1, the 6th plane with it is described
7th plane junction forms the second reflex angle β 2, and the 7th plane forms the 3rd obtuse angle alpha 3 with the 8th plane junction,
8th plane forms the 4th obtuse angle alpha 4 with the 9th plane junction, and the 9th plane is connected with first plane
Place forms the 5th obtuse angle alpha 5；
The block has three through holes and respectively large through-hole, middle through hole and small through hole, the aperture of the large through-hole are big
In the aperture of middle through hole, and the aperture of middle through hole is more than the aperture of the small through hole；The large through-hole is close to the tubular box body
The 3rd plane, for the middle through hole close to the 9th plane of the tubular box body, the small through hole is located at the middle through hole and institute
State between large through-hole.
In the present embodiment, first obtuse angle alpha 1, the second obtuse angle alpha 2, the first reflex angle β 1, the second reflex angle β 2, the 3rd obtuse angle alpha
3rd, the 4th obtuse angle alpha 4 and the 5th obtuse angle alpha 5 are divided for 128 °, 126 °, 207 °, 212 °, 117 °, 122 ° and 114 °；Tolerance is ± 1 °.
3rd face is cambered surface, and is outer convex globoidal, wherein the straight line between the two-end-point in the section of the cambered surface away from
From for 6.47 ± 0.05mm, and the distance of the peak in the section to straight line is 0.2 ± 0.05mm.
The thickness of the bright layers of chrome of the electroplating surface of the shaft box is 0.05 μm.
The manufacturing process of the notebook computer rotation shaft box, carries 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 is processed；
Step 4: laser spot welding：The edge lasers of block are welded to the inner wall of tubular box body；
Step 5: polishing：The surface of the tubular box body of countershaft box is polished；
Step 6: plating：Countershaft box carries out electroplating bright chromium；
Step 7: PVD processing：Countershaft box carries out physical vapor deposition coating；
Step 8: being packed after full inspection, get product.
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 tubular box body
The first plane, the 3rd face, fourth plane, the 5th plane and the 7th plane connected for spot welding, the side wall of the blend stop with it is described
First plane of tubular box body, the 5th plane are in close contact with the 6th plane and are connected for spot welding, the large through-hole 23 and described
Middle through hole 25 all only runs through the catch, and the small through hole 24 runs through the catch and the blend stop, the gear at the same time vertically
The shape and size of piece are consistent with the cross sectional shape and size of the tubular box body.
The length h1 of the tubular box body is 34.00 ± 0.05mm, and the block is with axially opposed one end and separately
One end, the distance h2 of one end of one end of the block and the tubular box body are 24.50 ± 0.10mm, the block it is another
The distance h3 at end and one end of the tubular box body is 13.70 ± 0.05mm.
0.4 ± 0.05mm of wall thickness of the tubular box body, a diameter of 3.50 ± 0.10mm of the large through-hole, lead in described
A diameter of 3.00 ± 0.10mm in hole, a diameter of 2.05 ± 0.03mm of the small through hole；
Vertical range h4 between the junction and the first plane of fourth plane and the 5th plane is 9.59-9.71mm, the
Vertical range h5 between the junction and the second plane of eight planes and the 9th plane is 14.16-14.28mm；The large through-hole
The distance between the second planes of Kong Xinyu h6 be 5.39 ± 0.10mm, and with the distance between the first plane h7 for 4.84 ±
0.10mm；The distance between the second planes of Kong Xinyu of small through hole h8 is 8.47 ± 0.05mm, and between the first plane
Distance h9 be 2.82 ± 0.05mm；The distance between the second planes of Kong Xinyu of middle through hole h10 for 11.88 ±
0.10mm, and be 2.45 ± 0.10mm with the distance between the first plane h11.
The width w1 of the blend stop is 4.00 ± 0.05mm.
The catch of the block and blend stop be welded in the inner wall of the tubular box body using laser spot welding, the catch with
There are 10 solder joints 5 between the inner wall of the tubular box body, and the first plane of the edge of the catch and the tubular box body,
Solder joint between 3rd face, fourth plane, the 5th plane and the 7th plane is respectively 5,1,2,1 and 1；
There is 11 solder joints, and the side wall of the blend stop and the cylinder between the inner wall of the blend stop and the tubular box body
Solder joint between first plane of shape box body, the 5th plane and the 6th plane is respectively 6,3 and 2.
The manufacturing process of the notebook computer rotation shaft box, carries out as steps described below：Step 1: to supplied materials section bar
Material, hardness, appearance, size and reliability are tested, while punching press block, wherein, supplied materials section bar is 304 stainless steels, firmly
More than HV200 is spent, appearance after plating is verified, after ensureing plating in surface without scuffing and deformation, and random sampling observation at least 100PCS is touched
Without sand hole and impurity, another random sampling observation at least 30PCS catch, verifies size and appearance on the surface of shaft box；
Step 2: wire cutting, formation tubular box body after wire cutting, and length are 34.4-34.5mm, straightness≤
0.05mm, the cut place at tubular box body both ends without turned-down edge, without deformation；
Step 3: carry out CNC processing to the tubular box body after wire cutting, after processing the length of tubular box body for 33.95 ±
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 tubular box body are subjected to examination assembling, and assemble the distance between the edge of backstop and the inner wall of tubular box body<
0.05mm；
Step 4: the edge lasers of block to be welded to the inner wall of tubular box body, and surface is without touching scuffing and bulge；
Step 5: the surface of the tubular box body of countershaft box is polished, and after polishing, the both ends of tubular box body are without collapsing
Side, surface is without weighing wounded；
Step 6: countershaft box carries out electroplating bright chromium, after electroplating bright chromium, appearance carries out hundred lattice, wear-resisting, rubber without bad
Skin, RCA and alcohol screen test；
Step 7: countershaft box carries out PVD processing, after PVD processing, 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 shaft shell laser engraving word.
Before the bright chromium of plating in step 6, countershaft box 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：1m l/L HCL、10m l/L H2SO4, room
Temperature, half a minute.
In step 7, countershaft box 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 and keep vacuum 2.8-1 pas 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 output power 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 11, structure is similar to Example 1, and difference is：The block is two pieces
Catch, and respectively big catch 3 and small catch 4, the size of the big catch are more than the size of the small catch, the big catch
Shape and size it is consistent with the cross sectional shape and size of the tubular box body, the edge of the big catch and the tubular box body
The first plane, the 3rd face, fourth plane, the 5th plane and the 7th plane connected for spot welding, the edge of the small catch and institute
State the first plane of tubular box body, the 5th plane is connected with the 6th plane spot welding, the big catch has three through holes and difference
For large through-hole 31, first through hole 32 and middle through hole 33, the small catch has the second through hole 41, the first through hole and described the
Two through hole coaxial lines, and the first through hole forms the small through hole with second through hole.
The big catch and the small catch are welded in the inner wall of the tubular box body using laser spot welding；
There is 10 solder joints, and the edge of the big catch and institute between the inner wall of the big catch and the tubular box body
State the solder joint between the first plane, the 3rd face, fourth plane, the 5th plane and the 7th plane of tubular box body be respectively 5,1
It is a, 2,1 and 1；
There is 11 solder joints, and the edge of the small catch and institute between the inner wall of the small catch and the tubular box body
It is respectively 6,3 and 2 to state the solder joint between the first plane of tubular box body and the 6th plane.
The width w2 of the small catch is 4.00 ± 0.05mm.
Embodiment 1 and embodiment 2 form tubular box body by using the mode of stainless steel extrusion forming, pass through punch forming
Block, by the two by laser spot welding together, forms accommodating space in tubular box body, for housing shaft, block is used for solid
Determine Spiale element, the matching degree of the present invention and the shaft of laptop are high, and after installation, shaft will not loosen, and fitness is high, turns
Dynamic stability, the service life length of product；
The present invention uses laser spot welding technique, block and tubular box body 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 the inner wall of block and tubular box body
Point；
Successively product surface is handled using plating and PVD process, keeps overall structure outer surface fine and close bright,
Beautiful air, especially suitable for high-end computer, and can be according to client's needs, with the coat of metal of PVD process plating different colours, face
Color is various, meets customer need, more high-end and professional with the color of laptop and the matching degree higher of appearance.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure that bright specification is made, is directly or indirectly used in other related technical areas, is similarly included in this hair
In bright scope of patent protection.
Claims (10)
- A kind of 1. notebook computer rotation shaft box, it is characterised in that：Gear including tubular box body (1) and in the tubular box body Block, the tubular box body is interior to form accommodating space, and the block is connected with the inner wall spot welding of the tubular box body and the block Perpendicular to the inner wall of the tubular box body；The tubular box body includes sequentially connected nine faces and is the first plane (11), the second plane (12), the 3rd face respectively (13), fourth plane, the 5th plane, the 6th plane, the 7th plane, the 8th plane and the 9th plane (14,15,16,17,18 and 19), nine faces are integrally formed, and the one side of area maximum is the first plane in nine faces, first plane and described the Four planes are opposite, and second plane is opposite with the 5th plane, and the 3rd face is opposite with the 9th plane, and described One plane forms the first obtuse angle (α 1) with the second plane junction, the fourth plane and the 5th plane junction shape Into the second obtuse angle (α 2), the 5th plane forms the first reflex angle (β 1), the 6th plane with the 6th plane junction The second reflex angle (β 2) is formed with the 7th plane junction, the 7th plane forms the 3rd with the 8th plane junction Obtuse angle (α 3), the 8th plane and the 9th plane junction form the 4th obtuse angle (α 4), the 9th plane with it is described First plane junction forms the 5th obtuse angle (α 5)；The block has three through holes and respectively large through-hole, middle through hole and a small through hole, during the aperture of the large through-hole is more than The aperture of through hole, and the aperture of middle through hole is more than the aperture of the small through hole；The large through-hole close to the tubular box body Three faces, for the middle through hole close to the 9th plane of the tubular box body, the small through hole is located at the middle through hole and described big logical Between hole.
- 2. notebook computer rotation shaft box 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 plane, the 3rd face, fourth plane, the 5th plane and the 7th plane of the tubular box body for spot welding, institute The side wall of blend stop and the first plane of the tubular box body, the 5th plane is stated to be in close contact with the 6th plane and be connected for spot welding, The large through-hole (23) and the middle through hole (25) all only run through the catch, and the small through hole (24) runs through institute at the same time vertically Catch and the blend stop are stated, the shape and size of the catch are consistent with the cross sectional shape and size of the tubular box body.
- 3. notebook computer rotation shaft box 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 tubular box body, and the of the edge of the big catch and the tubular box body One plane, the 3rd face, fourth plane, the 5th plane and the 7th plane connect for spot welding, edge and the cylinder of the small catch The first plane, the 5th plane of shape box body are connected with the 6th plane spot welding, and the big catch has three through holes and is respectively big Through hole (31), first through hole (32) and middle through hole (33), the small catch have the second through hole (41), the first through hole and institute The second through hole coaxial line is stated, and the first through hole forms the small through hole with second through hole.
- 4. notebook computer rotation shaft box according to claim 1, it is characterised in that：The length (h1) of the tubular box body is 34.00 ± 0.05mm, the block have axially opposed one end and the other end, one end of the block and the tubular box The distance (h2) of one end of body is 24.50 ± 0.10mm, the other end of the block and the distance of one end of the tubular box body (h3) it is 13.70 ± 0.05mm.
- 5. notebook computer rotation shaft box according to claim 1, it is characterised in that：The wall thickness 0.4 of the tubular box body ± 0.05mm, a diameter of 3.50 ± 0.10mm of the large through-hole, a diameter of 3.00 ± 0.10mm of the middle through hole are described small logical A diameter of 2.05 ± 0.03mm in hole；Vertical range (h4) between the junction and the first plane of fourth plane and the 5th plane is 9.59-9.71mm, the 8th Vertical range (h5) between the junction and the second plane of plane and the 9th plane is 14.16-14.28mm；The large through-hole The distance between the second planes of Kong Xinyu (h6) be 5.39 ± 0.10mm, and be 4.84 with the distance between the first plane (h7) ±0.10mm；The distance between the second planes of Kong Xinyu of the small through hole (h8) is 8.47 ± 0.05mm, and with the first plane The distance between (h9) be 2.82 ± 0.05mm；The distance between the second planes of Kong Xinyu of the middle through hole (h10) is 11.88 ± 0.10mm, and be 2.45 ± 0.10mm with the distance between the first plane (h11).
- A kind of 6. manufacturing process of notebook computer rotation shaft box according to claim 2, it is characterised in that：Using laser spots The catch of the block and blend stop are welded in the inner wall of the tubular box body, the inner wall of the catch and the tubular box body by weldering Between there are 10 solder joints (5), and the first plane of the edge of the catch and the tubular box body, the 3rd face, fourth plane, Solder joint between 5th plane and the 7th plane is respectively 5,1,2,1 and 1；There is 11 solder joints, and the side wall of the blend stop and the tubular box between the inner wall of the blend stop and the tubular box body Solder joint between first plane of body, the 5th plane and the 6th plane is respectively 6,3 and 2.
- A kind of 7. manufacturing process of notebook computer rotation shaft box according to claim 3, it is characterised in that：Using laser spots The big catch and the small catch are welded in the inner wall of the tubular box body by weldering；There is 10 solder joints, and the edge of the big catch and the cylinder between the inner wall of the big catch and the tubular box body Solder joint between first plane of shape box body, the 3rd face, fourth plane, the 5th plane and the 7th plane is respectively 5,1,2 It is a, 1 and 1；There is 11 solder joints, and the edge of the small catch and the cylinder between the inner wall of the small catch and the tubular box body Solder joint between the first plane and the 6th plane of shape box body is respectively 6,3 and 2.
- 8. the manufacturing process of the notebook computer rotation shaft box 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 inner wall of tubular box body；Step 5: polishing：The surface of the tubular box body of countershaft box is polished；Step 6: plating：Countershaft box carries out electroplating bright chromium；Step 7: PVD processing：Countershaft box carries out physical vapor deposition coating；Step 8: being packed after full inspection, get product.
- 9. the manufacturing process of notebook computer rotation shaft box according to claim 8, it is characterised in that：As steps described below into OK：Step 1: test to the material of supplied materials section bar, hardness, appearance, size and reliability, while punching press block, wherein, Supplied materials section bar is 304 stainless steels, and more than hardness HV200, surface is tested without scuffing and deformation, and random sampling observation at least 100PCS is touched Appearance after card plating, ensures the surface of shaft box after electroplating without sand hole and impurity, another random sampling observation at least 30PCS catch, verification Size and appearance；Step 2: wire cutting, formation tubular box body after wire cutting, and length are 34.4-34.5mm, and straightness≤0.05mm, cylinder The cut place at shape box body both ends without turned-down edge, without deformation；Step 3: carry out CNC processing to the tubular box body after wire cutting, after processing the length of tubular box body for 33.95 ± 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 tubular box body are subjected to examination assembling, and assemble the distance between the edge of backstop and the inner wall of tubular box body< 0.05mm；Step 4: the edge lasers of block to be welded to the inner wall of tubular box body, and surface is without touching scuffing and bulge；Step 5:：The surface of the tubular box body of countershaft box is polished, and after polishing, the both ends of tubular box body are without turned-down edge, table Face is without weighing wounded；Step 6: countershaft box carries out electroplating bright chromium, after electroplating bright chromium, appearance without bad, and carry out hundred lattice, wear-resisting, rubber, RCA and alcohol screen test；Step 7: countershaft box carries out PVD processing, after PVD processing, 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 manufacturing process of notebook computer rotation shaft box according to claim 9, it is characterised in that：Electricity in step 6 Before plating bright chromium, countershaft box is cleaned, and is specially：Electrochemical degreasing → hot water wash → cold water washes → and pickling activation → washing → Electroplate bright chromium；Wherein pickling activation condition be：1ml/L HCL、10ml/L H2SO4, room temperature, half a minute.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711236674.1A CN107906116A (en) | 2017-11-30 | 2017-11-30 | A kind of notebook computer rotation shaft box and its manufacturing process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711236674.1A CN107906116A (en) | 2017-11-30 | 2017-11-30 | A kind of notebook computer rotation shaft box and its manufacturing process |
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| CN107906116A true CN107906116A (en) | 2018-04-13 |
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| CN201711236674.1A Pending CN107906116A (en) | 2017-11-30 | 2017-11-30 | A kind of notebook computer rotation shaft box and its manufacturing process |
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| WO2020097913A1 (en) * | 2018-11-16 | 2020-05-22 | 昆山英思捷精密电子有限公司 | Notebook aluminum extrusion rotating shaft with multiple fixing modes |
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Application publication date: 20180413 |