CN108145411A - EGR valve assembling line and its assembly method - Google Patents
EGR valve assembling line and its assembly method Download PDFInfo
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- CN108145411A CN108145411A CN201711476697.XA CN201711476697A CN108145411A CN 108145411 A CN108145411 A CN 108145411A CN 201711476697 A CN201711476697 A CN 201711476697A CN 108145411 A CN108145411 A CN 108145411A
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- 238000000034 method Methods 0.000 title claims description 15
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 230000014759 maintenance of location Effects 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 14
- 230000006872 improvement Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The present invention discloses a kind of EGR valve assembling line, including the locating piece press-loading apparatus (1) sequentially set, valve block welder, the manual erecting bed of vacuum actor, valve casing reveals test device, upper casing erecting device, whole leakage test device, conveyer belt (2), the conveyer belt (2) is equipped with frock clamp (3), the frock clamp (3) clamping valve casing (4.1) is sequentially by above device to complete the assembling of EGR valve, the locating piece press-loading apparatus (1) includes pressing platform (1.1), the press-loading device being located in pressing platform (1.1), the press-loading device includes neck bush press mounting structure (1.2), gasket liner bushing press mounting structure (1.3), sealing ring press mounting structure (1.4), retention tab press mounting structure (1.5).The present invention provides one kind and EGR valve can be assembled, EGR valve assembling line particularly accurate to the locating piece at valve rod, Fast Installation.
Description
Technical field
The present invention relates to automobile EGR valve manufacturing machine field, more particularly to a kind of EGR valve assembling line and its assembling side
Method.
Background technology
It is well known that exhaust gas recycling EGR is used as, one kind is at low cost, it is small that internal combustion engine is changed in itself, can effectively reduce NOx
Emission control measure, be more and more widely used in internal combustion engine emission control field.Exhaust gas recycling is to start
In the machine course of work, portion is introduced into air inlet pipe, enters cylinder after being mixed with fresh air or the mixed platform gas of atomization
It is burnt again.This method is currently used for reducing NOx, a kind of effective measure of discharge capacity.
EGR valve includes cavity, sets valve rod with valve block to be separated to cavity or be connected at cavity, due to valve block and sky
The leakproofness of the cooperation of chamber determines the working performance of EGR valve, and EGR valve has multiple component assemblies to form, existing production line without
The location and installation precision needs that method meets the assembling needs of EGR valve, the particularly valve rod where valve block are very accurate, and at valve rod
Part is numerous, and it is even more impossible to part progress at valve rod accurately and fast is assembled for existing assembling line.
Invention content
The technical problems to be solved by the invention are：There is provided one kind EGR valve can be assembled, particularly to valve rod at
Locating piece is accurate, EGR valve assembling line of Fast Installation.
Technical solution is used by the present invention solves the above problems：A kind of EGR valve assembling line, it is characterised in that：
Including locating piece press-loading apparatus, valve block welder, the manual erecting bed of vacuum actor, the valve casing leakage test dress sequentially set
It puts, upper casing erecting device, whole leakage test device, conveyer belt, the conveyer belt is equipped with frock clamp, the frock clamp
Sequentially by above device to complete the assembling of EGR valve, the locating piece press-loading apparatus includes pressing platform, is located at pressure clamping valve casing
The press-loading device in platform is filled, the press-loading device includes neck bush press mounting structure, gasket liner bushing press mounting structure, sealing ring press fitting
Structure, retention tab press mounting structure, the valve casing is interior to be equipped with pilot hole, and the pressing component is sequentially by neck bush, gasket and main lining
Set, sealing ring, retention tab are pressed into pilot hole.
Compared with prior art, the advantage of the invention is that：The valve casing that conveyer belt is transmitted on frock clamp sequentially passes through
Each assembling device of EGR valve assembling line, including locating piece press-loading apparatus, for the pilot hole of valve casing corresponding to valve rod
Five interior parts are installed；The manual erecting bed of vacuum actor, it is manual for being carried out to the vacuum actor of valve casing side
Installation；Valve block welder for being inserted into valve rod in pilot hole, and is put into valve block, then again by valve out of valve casing cavity
Shell and valve block are welded；Valve casing reveals test device, for after being assembled to valve block valve rod to the sealing performance of the partition of cavity
It is tested；Upper casing erecting device；For being assembled to upper casing and valve casing, including positioning pin and automatic screwing；Entirety is let out
Reveal test device, to being supplied the leakproofness to test EGR valve gas circuit at the air inlet of EGR valve, to the cooling water of EGR valve into
The leakproofness to test EGR valve water route is supplied at mouthful, by EGR valve assembling line to be assembled to EGR valve, and
Due to needing to be packed into five neck bush, gasket, liner bushing, sealing ring, retention tab parts in pilot hole, so passing through locating piece pressure
Five parts are sequentially accurately and rapidly fitted into pilot hole by assembling device.
As a modification of the present invention, the neck bush press mounting structure includes the first push rod, the first push rod head
Equipped with for placing the first boss of neck bush, the first boss periphery is equipped with for first of the inner hole with neck bush
Supporting sleeve, by the improvement, the first push rod is used in the neck bush push-in pilot hole in first boss, and the first support is applied mechanically
In neck bush is supported with ensure in neck bush loading procedure with pilot hole coaxial line.
As the present invention also have a kind of improvement, the gasket liner bushing press mounting structure include the second push rod, described second
Push rod head is equipped with for the second boss of placing liner bushing and gasket, and the second boss is equipped with for by the axis of liner bushing
The expansion sleeve being consistent with the axis of the second push rod, the second boss are additionally provided with for second of the inner hole with gasket
Supporting sleeve, by the improvement, the second push rod is used to the liner bushing in second boss and gasket being packed into pilot hole, expansion sleeve
For the axis of liner bushing to be consistent in loading procedure with the axis of pilot hole, the second supporting sleeve is used for the axis of gasket
Line is consistent in loading procedure with the axis of pilot hole.
As a kind of improvement that also has of the present invention, bellmouth is equipped in the liner bushing, the expansion sleeve includes being set in
It two ring bodies in second boss and is located between two ring bodies along the radially outward elastic bumps of ring body
Elastic piece, the elastic piece be multiple and being provided at circumferentially spaced along ring body, the inner wall phase of the elastic piece and bellmouth
It supports, it is main since the hole in liner bushing is bellmouth, therefore if only liner bushing is placed in second boss by the improvement
The axis of bushing can not be directed at the axis setting of pilot hole, cause to generate crooked in liner bushing loading procedure and influence follow-up valve rod
Accurate assembling, therefore expansion sleeve is set, the elastic piece of expansion sleeve is multiple and being provided at circumferentially spaced along second boss, with cone
The inner wall in shape hole offsets, and ensures that the axis of liner bushing and the axis of pilot hole are consistent.
As a kind of improvement that also has of the present invention, the sealing ring press mounting structure includes third push rod, the third push rod
Head be equipped with for the third boss of placing sealing ring, be additionally provided with holding set outside the third boss, the holding is arranged with
For the retaining hole that the outer wall with sealing ring offsets, the diameter of the retaining hole is less than the diameter of pilot hole, it is described keep set with
Third push rod is offseted by the first spring, and by the improvement, third push rod is used to sealing ring being packed into pilot hole, and
Since sealing ring is packed into the inner wall close-fitting after pilot hole with pilot hole, therefore the outer diameter of sealing ring is slightly less than the aperture of pilot hole
, if only placing sealing ring in second boss, sealing ring outer wall when being packed into pilot hole is easily damaged, therefore is set and protected
It holds set to be defined with the outer diameter to sealing ring, the diameter of the retaining hole of set is kept to be less than the internal diameter of pilot hole, during assembling, third
Push rod, which pushes, keeps set and third boss to be aligned with the pilot hole in valve casing, set is kept to offset with valve casing, third push rod continues
Third boss is pushed so that sealing ring is pushed into pilot hole, since the diameter of retaining hole of set being kept to be less than the diameter of pilot hole,
Therefore sealing ring is intactly pushed into pilot hole, third push rod replys initial position after sealing ring is packed into, holding is sleeved on the
The elastic force effect of one spring is lower to reply initial position.
As a kind of improvement that also has of the present invention, the outer wall protrusion on the third push rod is equipped with lead, the holding
It is arranged with for coordinating with lead to avoid the guide groove that set is kept circumferentially to be relatively rotated with third boss, is changed by described
Coordinate into, guide groove and lead, to avoid third push rod and when keeping being sleeved on relative motion generate rotation but sealing ring
Outer ring and inner ring produce relative rotation, so as to influence the sealing performance of sealing ring.
As a kind of improvement that also has of the present invention, the retention tab press mounting structure includes the 4th push rod, the 4th push rod
Head be equipped with for the 4th boss of placing retention tab, be additionally provided with outside the 4th boss for the inner hole with retention tab
The 4th supporting sleeve, by the improvement, the 4th push rod is used to retention tab being packed into pilot hole, and the 4th supporting sleeve will be for will keep
The axis of piece is consistent in loading procedure with the axis of pilot hole.
As a kind of improvement that also has of the present invention, the neck bush press mounting structure includes the first push rod, the main lining of gasket
It covers press mounting structure and includes the second push rod, the sealing ring press mounting structure includes third push rod, and the retention tab press mounting structure includes
4th push rod, first push rod is driven by the first Pneumatic guide rail being located on pressing platform, second push rod is by being located at press fitting
The driving of the second Pneumatic guide rail, the third push rod on platform are driven by the third Pneumatic guide rail being located on pressing platform, and the described 4th
Push rod is driven by the 4th Pneumatic guide rail that is located on pressing platform, between the pressing platform and third Pneumatic guide rail, the pressing platform
And the 4th be equipped with second spring between Pneumatic guide rail, by the improvement, since sealing ring, retention tab are tight with pilot hole
Match, thus push third push rod third Pneumatic guide rail and push the 4th push rod the 4th Pneumatic guide rail after setting second spring with
Auxiliary third push rod and the 4th push rod reply initial position after mounting.
As a kind of improvement that also has of the present invention, the erecting bed is equipped with for by neck bush press mounting structure, gasket master
Bushing press-mounting structure, sealing ring press mounting structure, retention tab press mounting structure are sequentially moved to the servo structure of alignment pilot hole setting.
The present invention the used another technical solution that solves the above problems is：A kind of assembling side of EGR valve assembling line
Method, it includes the following steps,
Valve casing is packed into frock clamp by a, and frock clamp is moved to locating piece press-loading apparatus by conveyer belt；
Neck bush is positioned in first boss, liner bushing and gasket is positioned in second boss, inciting somebody to action by b, operating personnel
Sealing ring is positioned on third boss, and retention tab is positioned on the 4th boss, is then turned on the operation of locating piece press-loading apparatus；
First push rod of neck bush press mounting structure is moved into the pilot hole of valve casing by c, the first Pneumatic guide rail, and neck bush is packed into dress
Distribution；
Second push rod of gasket liner bushing press mounting structure is moved into the pilot hole of valve casing, gasket and master by d, the second Pneumatic guide rail
Bushing is packed into pilot hole；
The third push rod of sealing ring press mounting structure is moved into the pilot hole of valve casing by e, third Pneumatic guide rail, and sealing ring is packed into dress
Distribution；
4th push rod of retention tab press mounting structure is moved into the pilot hole of valve casing by f, the 4th Pneumatic guide rail, and retention tab is packed into dress
Distribution；
G, conveyer belt continue to transmit, and the valve casing for installing locating piece is sent to valve block welder；
H in valve rod plugging in fitting hole, valve block will be packed into the cavity of valve casing and offseted with valve rod；
I, valve block welder weld valve block and valve rod to be fixed to each other, including：It welds for the first time, by bonding power tune
For section to 200W, the depth of weld is first of weld seam of 0mm~0.2mm；Second of welding, bonding power is adjusted to 900W, is melted
Change first of weld seam and weld the second weld seam that total depth is 1.8mm~2.3mm；
Frock clamp is moved to the manual erecting bed of vacuum actor by j, conveyer belt, and operating personnel install manually on valve casing
Vacuum actor；
Frock clamp is moved to valve casing leakage test device by k, conveyer belt, and valve casing leakage test device ventilates valve casing,
Test the sealing performance of the cavity of valve block and valve casing；
Frock clamp is moved to upper casing erecting device by l, conveyer belt, and upper casing is manually placed on valve casing by operating personnel,
Upper casing erecting device fixes positioning pin press-in and tightening screw.
Frock clamp is moved to whole leakage test device by m, conveyer belt, and whole test device of revealing is to whole after assembling
Body carry out waterway seal performance test and gas circuit sealing performance test, including supplied at the air inlet to EGR valve with
The leakproofness of EGR valve gas circuit is tested, to being supplied the leakproofness to test EGR valve water route at the cooling water inlet of EGR valve.
Compared with prior art, the advantage of the invention is that：The valve casing that conveyer belt is transmitted on frock clamp sequentially passes through
Each assembling device of EGR valve assembling line, including locating piece press-loading apparatus, for the pilot hole of valve casing corresponding to valve rod
Five interior parts are installed；The manual erecting bed of vacuum actor, it is manual for being carried out to the vacuum actor of valve casing side
Installation；Valve block welder for being inserted into valve rod in pilot hole, and is put into valve block, then again by valve out of valve casing cavity
Shell and valve block are welded；Valve casing reveals test device, for after being assembled to valve block valve rod to the sealing performance of the partition of cavity
It is tested；Upper casing erecting device；For being assembled to upper casing and valve casing, including positioning pin and automatic screwing；Entirety is let out
Reveal test device, for being supplied the leakproofness to test EGR valve gas circuit at the air inlet to EGR valve, one jin to EGR valve
The leakproofness to test EGR valve water route is supplied at cooling water inlet, by EGR valve assembling line to be carried out to EGR valve
Assembling, and due to needing to be packed into five neck bush, gasket, liner bushing, sealing ring, retention tab parts in pilot hole, so logical
Locating piece press-loading apparatus is crossed sequentially accurately and rapidly to be fitted into five parts in pilot hole；
Since the size of valve block is more than the size of pilot hole, therefore valve rod is packed into out of pilot hole, by valve block out of cavity
Loading offsets, then welded valve block and valve rod by valve block welder with valve rod again, the weld weldering of valve block and valve rod
Seam is deeper, if disposable welding is completed, since valve block and valve rod temperature are relatively low for metal temperature, primary welding is easily in weld seam
Bottom generation bubble, leads to valve block rosin joint and fixation is insecure, replaces original primary welding, the first welding by secondary welding
Weld seam bonding power for 200W, and depth is smaller for 0mm~0.2mm, for valve block and valve rod junction are carried out heating and
Pre-welding, it is not easy to generate bubble, increase power when welding for the second time, be increased to 900W, since first time welding makes weld
There is certain temperature, when welding for the second time, welding fluid can flow to the higher place of temperature i.e. first time weld, and melt for the first time
The weld seam of welding, so as to reach the weld seam that total depth is 1.8mm~2.3mm, it is not easy to generate bubble so that firm welding；
And tested by sealing performance twice, i.e., first time sealing test reveals test device for valve casing and valve casing is ventilated,
The sealing performance of the cavity of valve block and valve casing is tested, second of sealing test is whole leakage test device to the entirety after assembling
The test of waterway seal performance and the test of gas circuit sealing performance are carried out, so as to ensure sealing performance, the substitution prior art only has
The pattern of integrated testability, it may be that upper casing and assembly precision in valve casing assembling process be not high that due to gas circuit, sealing performance is not good
Either valve block is caused loosely to cause with cavities seals, therefore only can not accurately show that sealing performance should not by an integrated testability
The reason of, and if valve block and cavities seals loosely, in valve casing leakage test device defect ware is excluded, avoid enter into it is next
It walks upper casing installation steps, reduce unnecessary process waste.
Description of the drawings
Fig. 1 is locating piece press-loading apparatus overall structure diagram.
Fig. 2 is press-loading device overall structure diagram.
Fig. 3 is neck bush press mounting structure cross-sectional view.
Fig. 4 is gasket liner bushing press mounting structure cross-sectional view.
Fig. 5 is sealing ring press mounting structure cross-sectional view.
Fig. 6 is retention tab press mounting structure cross-sectional view.
Fig. 7 is EGR valve overall structure diagram.
Fig. 8 is cross-sectional view at EGR valve pilot hole.
Fig. 9 is EGR valve valve rod and valve block weld cross-sectional view.
1- locating piece press-loading apparatus, 1.1- pressing platforms, 1.2- neck bush press mounting structures, the first push rods of 1.2.1-, 1.2.2-
First boss, the first supporting sleeves of 1.2.3-, 1.3- gasket liner bushing press mounting structures, the second push rods of 1.3.1-, 1.3.2- second are convex
Platform, 1.3.3- expansion sleeves, 1.3.3.1- ontologies, 1.3.3.2- elastic pieces, the second supporting sleeves of 1.3.4-, 1.4- sealing rings press fitting knot
Structure, 1.4.1- third push rods, 1.4.2- third boss, 1.4.3- keep covering, 1.4.4- retaining holes, the first springs of 1.4.5-,
1.4.6- lead, 1.4.7- guide grooves, 1.5- retention tab press mounting structures, the 4th push rods of 1.5.1-, the 4th boss of 1.5.2-,
1.5.3- the 4th supporting sleeve, the first Pneumatic guide rails of 1.6-, the second Pneumatic guide rails of 1.7-, 1.8- third Pneumatic guide rails, 1.9- the 4th
Pneumatic guide rail, 1.10- second springs, 1.11- servo structures, 1.11.1- servo motors, 1.11.2- leading screws, 2- conveyer belts, 3-
Frock clamp, 4-EGR valves, 4.1- valve casings, 4.1.1- pilot holes, 4.2- neck bush, 4.3- gaskets, 4.4- liner bushings, 4.5- are close
Seal, 4.6- retention tabs, 4.7- valve rods, 4.8- valve blocks, 4.9- cavitys, 4.10- vacuum actors, 4.11- upper casings, 4.12- spiral shells
Nail, 4.13- air inlets, 4.14- cooling water inlets, first of weld seam of 5-, 6- second weld seams.
Specific embodiment
As shown in Fig. 1~9,
A kind of EGR valve assembling line, it is characterised in that：Locating piece press-loading apparatus 1, valve block including sequentially setting weld
The manual erecting bed of device, vacuum actor, valve casing leakage test device, upper casing erecting device, whole leakage test device, transmission
Band 2, the conveyer belt 2 are equipped with frock clamp 3, and the frock clamp 3 clamps valve casing 4.1 sequentially by above device to complete
The assembling of EGR valve, the locating piece press-loading apparatus 1 include pressing platform 1.1, the press-loading device being located in pressing platform 1.1, the pressure
Mounting mechanism includes neck bush press mounting structure 1.2, gasket liner bushing press mounting structure 1.3, sealing ring press mounting structure 1.4, retention tab pressure
Assembling structure 1.5, the valve casing 4.1 is interior to be equipped with pilot hole 4.1.1, and the pressing component is sequentially by neck bush 4.2,4.3 and of gasket
Liner bushing 4.4, sealing ring 4.5, retention tab 4.6 are pressed into pilot hole 4.1.1.
Wherein, the neck bush press mounting structure 1.2 includes the first push rod 1.2.1, and the first push rod 1.2.1 heads are equipped with
For placing the first boss 1.2.2 of neck bush 4.2, the first boss 1.2.2 peripheries be equipped with for in neck bush 4.2
First supporting sleeve 1.2.3 of hole cooperation.
Wherein, the gasket liner bushing press mounting structure 1.3 includes the second push rod 1.3.1, the second push rod 1.3.1 heads
Equipped with for placing the second boss 1.3.2 of liner bushing 4.4 and gasket 4.3, the second boss 1.3.2, which is equipped with, to be used to serve as a contrast main
The expansion sleeve 1.3.3 that the axis of set 4.4 and the axis of the second push rod 1.3.1 are consistent, the second boss 1.3.2 are additionally provided with
For the second supporting sleeve 1.3.4 of the inner hole with gasket 4.3.
Wherein, bellmouth is equipped in the liner bushing 4.4, the expansion sleeve 1.3.3 includes being set in second boss 1.3.2
On two ring body 1.3.3.1 and be located between two ring body 1.3.3.1 along the radial direction of ring body 1.3.3.1 to
The elastic piece 1.3.3.2 of outer elastic bumps, the elastic piece 1.3.3.2 be multiple and the circumferential direction along ring body 1.3.3.1 between
Every setting, the inner wall of the elastic piece 1.3.3.2 and bellmouth offsets.
Wherein, the sealing ring press mounting structure 1.4 includes third push rod 1.4.1, and the head of the third push rod 1.4.1 is set
It is useful for being additionally provided with outside the third boss 1.4.2, the third boss 1.4.2 that place sealing ring 4.5 and keeps covering 1.4.3, it is described
Set 1.4.3 is kept to be equipped with the retaining hole 1.4.4 for offseting with the outer wall of sealing ring 4.5, the diameter of the retaining hole 1.4.4 is small
It is described that set 1.4.3 and third push rod 1.4.1 is kept to offset by the first spring 1.4.5 elasticity in the diameter of pilot hole 4.1.1.
Wherein, the outer wall protrusion on the third push rod 1.4.1 is equipped with lead 1.4.6, and the holding covers 1.4.3 and is equipped with
For coordinating with lead 1.4.6 to avoid the guide groove that set 1.4.3 and third boss 1.4.2 is kept circumferentially to relatively rotate
1.4.7。
Wherein, the retention tab press mounting structure 1.5 includes the 4th push rod 1.5.1, and the head of the 4th push rod 1.5.1 is set
Be useful for placing the 4th boss 1.5.2 of retention tab 4.6, be additionally provided with outside the 4th boss 1.5.2 for retention tab 4.6
4th supporting sleeve 1.5.3 of inner hole.
Wherein, the neck bush press mounting structure 1.2 includes the first push rod 1.2.1, the gasket liner bushing press mounting structure 1.3
Including the second push rod 1.3.1, the sealing ring press mounting structure 1.4 includes third push rod 1.4.1, the retention tab press mounting structure
1.5 include the 4th push rod 1.5.1, the first push rod 1.2.1 drives by the first Pneumatic guide rail 1.6 being located on pressing platform 1.1,
The second push rod 1.3.1 is driven by the second Pneumatic guide rail 1.7 being located on pressing platform 1.1, the third push rod 1.4.1 is by setting
Third Pneumatic guide rail 1.8 on pressing platform 1.1 drives, and the 4th push rod 1.5.1 is by the 4th gas that is located on pressing platform 1.1
Dynamic guide rail 1.9 drives, between the pressing platform 1.1 and third Pneumatic guide rail 1.8,1.1 and the 4th Pneumatic guide rail of the pressing platform
Second spring 1.10 is equipped between 1.9.
Wherein, the erecting bed is equipped with for by neck bush press mounting structure 1.2, gasket liner bushing press mounting structure 1.3, close
Seal press mounting structure 1.4, retention tab press mounting structure 1.5 are sequentially moved to the servo structure 1.11 of alignment pilot hole 4.1.1 settings,
Servo structure 1.11 includes servo motor 1.11.1 and leading screw 1.11.2, and leading screw 1.11.2 is rotated in pressing platform 1.1 with accurate
Press fitting 1.1 is driven axially to be moved along leading screw 1.11.2.
10, a kind of assembly method of EGR valve assembling line, it is characterised in that：It includes the following steps,
Valve casing 4.1 is packed into frock clamp 3 by b, and frock clamp 3 is moved to locating piece press-loading apparatus 1 by conveyer belt 2；
Neck bush 4.2 is positioned on first boss 1.2.2, is positioned over liner bushing 4.4 and gasket 4.3 by b, operating personnel
It is positioned on second boss 1.3.2, by sealing ring 4.5 on third boss 1.4.2, retention tab 4.6 is positioned over the 4th boss
1.5.2 it on, is then turned on locating piece press-loading apparatus 1 and runs；
First push rod 1.2.1 of neck bush press mounting structure 1.2 is moved into the assembling of valve casing 4.1 by c, the first Pneumatic guide rail 1.6
Hole 4.1.1, neck bush 4.2 are packed into pilot hole 4.1.1；
Second push rod 1.3.1 of gasket liner bushing press mounting structure 1.3 is moved into valve casing 4.1 by d, the second Pneumatic guide rail 1.7
Pilot hole 4.1.1, gasket 4.3 and liner bushing 4.4 are packed into pilot hole 4.1.1；
The third push rod 1.4.1 of sealing ring press mounting structure 1.4 is moved into the assembling of valve casing 4.1 by e, third Pneumatic guide rail 1.8
Hole 4.1.1, sealing ring 4.5 are packed into pilot hole 4.1.1；
4th push rod 1.5.1 of retention tab press mounting structure 1.5 is moved into the assembling of valve casing 4.1 by f, the 4th Pneumatic guide rail 1.9
Hole 4.1.1, retention tab 4.6 are packed into pilot hole 4.1.1；
G, conveyer belt 2 continue to transmit, and the valve casing 4.1 for installing locating piece is sent to valve block welder；
Valve block 4.8 will be packed into the cavity 4.9 of valve casing 4.1 and and valve rod by h in 4.7 plugging in fitting hole 4.1.1 of valve rod
4.7 it offsets；
I, valve block welder weld valve block 4.8 and valve rod 4.7 to be fixed to each other, including：It welds, will weld for the first time
For power regulation to 200W, the depth of weld is first of weld seam 5 of 0mm~0.2mm；Second welds, by bonding power adjust to
900W melts first of weld seam and welds the second weld seam 6 that total depth is 1.8mm~2.3mm；The weldering of twice welding herein
Connect the end value that depth does not include both ends.
Frock clamp 3 is moved to the manual erecting bed of vacuum actor by j, conveyer belt 2, and operating personnel are in 4.1 left-hand seat of valve casing
Dynamic installation vacuum actor 4.10；
Frock clamp 3 is moved to valve casing leakage test device by k, conveyer belt 2, and valve casing reveals test device by valve casing 4.1
Ventilation, the sealing performance of test valve block 4.8 and the cavity 4.9 of valve casing 4.1；
Frock clamp 3 is moved to upper casing erecting device by l, conveyer belt 2, and upper casing 4.11 is manually placed in valve by operating personnel
On shell 4.1, upper casing erecting device fixes positioning pin press-in and tightening screw 4.12.
M, frock clamp 3 is moved to whole leakage test device by conveyer belt 2, after whole leakage test device is to assembling
The test of the whole test and gas circuit sealing performance for carrying out waterway seal performance, including being carried out at the air inlet 4.13 to EGR valve
Gas supply is to test the leakproofness of EGR valve gas circuit, to being supplied to test EGR valve water route at the cooling water inlet 4.14 of EGR valve
Leakproofness.
Only highly preferred embodiment of the present invention is described above, but is not to be construed as limiting the scope of the invention.This
Invention is not only limited to above example, and concrete structure is allowed to vary.All protection models in independent claims of the present invention
Interior made various change is enclosed to all fall in the scope of protection of the present invention.
Claims (10)
1. a kind of EGR valve assembling line, it is characterised in that：Locating piece press-loading apparatus (1), valve block including sequentially setting weld
The manual erecting bed of device, vacuum actor, valve casing leakage test device, upper casing erecting device, whole leakage test device, transmission
Band (2), the conveyer belt (2) are equipped with frock clamp (3), and frock clamp (3) the clamping valve casing (4.1) is sequentially by above-mentioned
Device to complete the assembling of EGR valve, the locating piece press-loading apparatus (1) including pressing platform (1.1), be located in pressing platform (1.1)
Press-loading device, the press-loading device include neck bush press mounting structure (1.2), gasket liner bushing press mounting structure (1.3), sealing ring
Press mounting structure (1.4), retention tab press mounting structure (1.5), the valve casing (4.1) is interior to be equipped with pilot hole (4.1.1), the press fitting group
Neck bush (4.2), gasket (4.3) and liner bushing (4.4), sealing ring (4.5), retention tab (4.6) are sequentially pressed into pilot hole by part
In (4.1.1).
2. EGR valve assembling line according to claim 1, it is characterised in that：Neck bush press mounting structure (1.2) packet
The first push rod (1.2.1) is included, the first push rod (1.2.1) head is equipped with the first boss for placing neck bush (4.2)
(1.2.2), first boss (1.2.2) periphery are equipped with the first supporting sleeve for the inner hole with neck bush (4.2)
(1.2.3)。
3. EGR valve assembling line according to claim 1, it is characterised in that：The gasket liner bushing press mounting structure
(1.3) including the second push rod (1.3.1), the second push rod (1.3.1) head is equipped with to place liner bushing (4.4) and gasket
(4.3) second boss (1.3.2), the second boss (1.3.2) is equipped with for the axis of liner bushing (4.4) to be pushed away with second
The expansion sleeve (1.3.3) that the axis of bar (1.3.1) is consistent, the second boss (1.3.2), which is additionally provided with, to be used for and gasket
(4.3) the second supporting sleeve (1.3.4) of inner hole.
4. EGR valve assembling line according to claim 3, it is characterised in that：Taper is equipped in the liner bushing (4.4)
Hole, the expansion sleeve (1.3.3) is including two ring bodies (1.3.3.1) being set in second boss (1.3.2) and is located at
Along the elastic piece of the radially outward elastic bumps of ring body (1.3.3.1) between two ring bodies (1.3.3.1)
(1.3.3.2), the elastic piece (1.3.3.2) be multiple and being provided at circumferentially spaced along ring body (1.3.3.1), the bullet
Property piece (1.3.3.2) and the inner wall of bellmouth offset.
5. EGR valve assembling line according to claim 1, it is characterised in that：Sealing ring press mounting structure (1.4) packet
Third push rod (1.4.1) is included, the head of the third push rod (1.4.1) is equipped with the third boss for placing sealing ring (4.5)
(1.4.2), is additionally provided with holding set (1.4.3) outside the third boss (1.4.2), it is described keep set (1.4.3) equipped with for
The retaining hole (1.4.4) that the outer wall of sealing ring (4.5) offsets, the diameter of the retaining hole (1.4.4) are less than pilot hole (4.1.1)
Diameter, it is described keep set (1.4.3) offseted with third push rod (1.4.1) by the first spring (1.4.5) elasticity.
6. EGR valve assembling line according to claim 5, it is characterised in that：It is outer on the third push rod (1.4.1)
Wall protrusion be equipped with lead (1.4.6), it is described keep set (1.4.3) equipped with for lead (1.4.6) coordinate to avoid guarantor
Hold the guide groove (1.4.7) that set (1.4.3) is circumferentially relatively rotated with third boss (1.4.2).
7. EGR valve assembling line according to claim 1, it is characterised in that：Retention tab press mounting structure (1.5) packet
The 4th push rod (1.5.1) is included, the head of the 4th push rod (1.5.1) is equipped with the 4th boss for placing retention tab (4.6)
(1.5.2), the 4th boss (1.5.2) are additionally provided with for the 4th supporting sleeve of the inner hole with retention tab (4.6) outside
(1.5.3)。
8. EGR valve assembling line according to claim 1, it is characterised in that：Neck bush press mounting structure (1.2) packet
The first push rod (1.2.1) is included, the gasket liner bushing press mounting structure (1.3) includes the second push rod (1.3.1), the sealing ring pressure
Assembling structure (1.4) includes third push rod (1.4.1), and the retention tab press mounting structure (1.5) includes the 4th push rod (1.5.1), institute
State the first push rod (1.2.1) by be located on pressing platform (1.1) the first Pneumatic guide rail (1.6) driving, second push rod
(1.3.1) is driven by the second Pneumatic guide rail (1.7) being located on pressing platform (1.1), the third push rod (1.4.1) is by being located at pressure
Fill third Pneumatic guide rail (1.8) driving on platform (1.1), the 4th push rod (1.5.1) by be located on pressing platform (1.1) the
Four Pneumatic guide rails (1.9) drive, between the pressing platform (1.1) and third Pneumatic guide rail (1.8), the pressing platform (1.1) and
Second spring (1.10) is equipped between 4th Pneumatic guide rail (1.9).
9. EGR valve assembling line according to claim 1, it is characterised in that：The erecting bed, which is equipped with, to be used for by
Bushing press-mounting structure (1.2), gasket liner bushing press mounting structure (1.3), sealing ring press mounting structure (1.4), retention tab press mounting structure
(1.5) sequentially it is moved to the servo structure (1.11) that alignment pilot hole (4.1.1) is set.
10. a kind of assembly method of EGR valve assembling line, it is characterised in that：It includes the following steps,
Valve casing (4.1) is packed into frock clamp (3) by a, and frock clamp (3) is moved to locating piece press-loading apparatus by conveyer belt (2)
(1)；
Neck bush (4.2) is positioned in first boss (1.2.2), puts liner bushing (4.4) and gasket (4.3) by b, operating personnel
It is placed in second boss (1.3.2), sealing ring (4.5) is positioned on third boss (1.4.2), retention tab (4.6) is placed
It is run on the 4th boss (1.5.2), being then turned on locating piece press-loading apparatus (1)；
The first push rod (1.2.1) of neck bush press mounting structure (1.2) is moved into valve casing (4.1) by c, the first Pneumatic guide rail (1.6)
Pilot hole (4.1.1), neck bush (4.2) are packed into pilot hole (4.1.1)；
The second push rod (1.3.1) of gasket liner bushing press mounting structure (1.3) is moved into valve casing by d, the second Pneumatic guide rail (1.7)
(4.1) pilot hole (4.1.1), gasket (4.3) and liner bushing (4.4) are packed into pilot hole (4.1.1)；
The third push rod (1.4.1) of sealing ring press mounting structure (1.4) is moved into valve casing (4.1) by e, third Pneumatic guide rail (1.8)
Pilot hole (4.1.1), sealing ring (4.5) are packed into pilot hole (4.1.1)；
4th push rod (1.5.1) of retention tab press mounting structure (1.5) is moved into valve casing (4.1) by f, the 4th Pneumatic guide rail (1.9)
Pilot hole (4.1.1), retention tab (4.6) are packed into pilot hole (4.1.1)；
G, conveyer belt (2) continue to transmit, and the valve casing (4.1) for installing locating piece is sent to valve block welder；
By in valve rod (4.7) plugging in fitting hole (4.1.1), valve block (4.8) is packed into the cavity (4.9) of valve casing (4.1) simultaneously by h
It offsets with valve rod (4.7)；
I, valve block welder weld valve block (4.8) and valve rod (4.7) to be fixed to each other, including：It welds, will weld for the first time
For power regulation to 200W, the depth of weld is first of weld seam of 0mm~0.2mm；Second welds, by bonding power adjust to
900W melts first of weld seam and welds the second weld seam that total depth is 1.8mm~2.3mm；
Frock clamp (3) is moved to the manual erecting bed of vacuum actor by j, conveyer belt (2), and operating personnel are on valve casing (4.1)
Installation vacuum actor (4.10) manually；
Frock clamp (3) is moved to valve casing leakage test device by k, conveyer belt (2), and valve casing reveals test device by valve casing
(4.1) it ventilates, the sealing performance of test valve block (4.8) and the cavity (4.9) of valve casing (4.1)；
Frock clamp (3) is moved to upper casing erecting device by l, conveyer belt (2), and upper casing (4.11) is manually placed in by operating personnel
On valve casing (4.1), upper casing erecting device fixes positioning pin press-in and tightening screw (4.12).
M, frock clamp (3) is moved to whole leakage test device by conveyer belt (2), after whole leakage test device is to assembling
The test of the whole test and gas circuit sealing performance for carrying out waterway seal performance, including at the air inlet (4.13) to EGR valve into
Row gas supply is to test the leakproofness of EGR valve gas circuit, to being supplied to test EGR valve at the cooling water inlet (4.14) of EGR valve
The leakproofness in water route.
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|---|---|---|---|
| CN201711476697.XA CN108145411B (en) | 2017-12-29 | 2017-12-29 | EGR valve assembly production line and assembly method thereof |
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|---|---|---|---|
| CN201711476697.XA CN108145411B (en) | 2017-12-29 | 2017-12-29 | EGR valve assembly production line and assembly method thereof |
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| CN108145411B CN108145411B (en) | 2024-04-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702485A (en) * | 2019-01-10 | 2019-05-03 | 四川绵阳鼎鑫智能装备有限公司 | A kind of catalyst converter press-loading device |
| CN110017982A (en) * | 2019-04-03 | 2019-07-16 | 温州市温纳汽车配件有限公司 | EGR valve assembly detection production line and assembly and detection method |
| CN111168380A (en) * | 2020-01-17 | 2020-05-19 | 宁波力品格自动化科技有限公司 | Automatic assembly machine for controllable gas spring valve members |
| CN115464396A (en) * | 2022-10-18 | 2022-12-13 | 成都中科注能科技股份有限公司 | Automatic high accuracy assembly system of valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702485A (en) * | 2019-01-10 | 2019-05-03 | 四川绵阳鼎鑫智能装备有限公司 | A kind of catalyst converter press-loading device |
| CN109702485B (en) * | 2019-01-10 | 2024-02-06 | 四川鑫元瑞科技有限公司 | Catalyst converter press fitting equipment |
| CN110017982A (en) * | 2019-04-03 | 2019-07-16 | 温州市温纳汽车配件有限公司 | EGR valve assembly detection production line and assembly and detection method |
| CN111168380A (en) * | 2020-01-17 | 2020-05-19 | 宁波力品格自动化科技有限公司 | Automatic assembly machine for controllable gas spring valve members |
| CN115464396A (en) * | 2022-10-18 | 2022-12-13 | 成都中科注能科技股份有限公司 | Automatic high accuracy assembly system of valve |
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