CN104404603A - Rear vehicle frame coating technology - Google Patents
Rear vehicle frame coating technology Download PDFInfo
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- CN104404603A CN104404603A CN201410615346.2A CN201410615346A CN104404603A CN 104404603 A CN104404603 A CN 104404603A CN 201410615346 A CN201410615346 A CN 201410615346A CN 104404603 A CN104404603 A CN 104404603A
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- right curved
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Abstract
The invention provides a rear vehicle frame coating technology. The technology comprises the following steps: carrying out base layer treatment on a rear vehicle frame after the structural connection of the rear vehicle frame: carrying out oil removal, rust removal, water washing, surface conditioning, phosphatization, water washing and blow drying, hot drying or oven drying in a phosphatization treatment mode; coating: carrying out anode or cathode bottom unification electrophoresis coating, carrying out epoxy bottom unification electrophoresis coating, washing with water 2 or 3 times, and drying at 160-180DEG C for 25-35min; cooling, and inspecting the flat and smooth property of the obtained paint film, wherein inspection projects also comprise luster, adhesion, corrosion resistance, missing coating, bottom exposure, coarse grooves, stickiness, impurities, pin holes and sagging, and the thickness of the paint film is 25-30[mu]m. The rear vehicle frame coating technology has reasonable arrangement, makes a coating well protect the rear vehicle frame, and prolongs the service life of the rear vehicle frame.
Description
Technical field
The present invention relates to a kind of Rear frame coating process, belong to field of mechanical technique.
Background technology
Automobile frame also claims mounting, as light-duty vehicle, cargo truck, passenger vehicle and large-scale street rod etc., mostly has Rear frame, and car and middle-size and small-size car are generally all without vehicle frame.Rear frame is the basis of whole automobile, and most parts of automobile and assembly etc., be all fixed in Rear frame.The position of Rear frame is under vehicle body, often contact with muddy water, even if the water tolerance of selecting and the good protective system of weathering resistance, if there is no good coating process, also the attaching quality ensureing protective system is difficult to, and then be difficult to ensure the erosion resistance of Rear frame in poor Working environment, thus affect the work-ing life of Rear frame.Even if its structural strength is high again, the corrosion of chemical substance to its surface also cannot be ensured.Therefore, a kind of good coating process seems particularly important.
Summary of the invention
The invention provides a kind of Rear frame coating process, processing arrangement is reasonable, and the protection Rear frame enabling coating good, can extend the work-ing life of Rear frame.
For solving above technical problem, the invention provides following technical scheme: first by assembled for Rear frame and welding in integrative-structure, wherein Rear frame comprises front-axle beam, the back rest, left bent plate, right curved plate, middle beam frame, accumulator box, engine bearer, diesel oil block, channel-section steel, steering cylinder journal stirrup, footing, hanger, described front-axle beam is that the channel-section steel of a horizontal positioned is made, the back-up block longitudinally connected is provided with, for supporting upper and lower two side plates of channel-section steel in the middle part of the groove of channel-section steel; Described left bent plate and right curved plate be arranged in parallel, and front-axle beam and the back rest are welded in the two ends place between left bent plate and right curved plate; The back rest is two boards, arranges up and down, the channel-section steel of vertical direction is welded with between upper and lower two back rest, the middle part of channel-section steel is fixedly connected with steering cylinder journal stirrup, turning-bar journal stirrup comprises upper and lower two panels triangular plate, each set square while welding channel-section steel on, angle place corresponding to this limit is provided with connecting hole, makes the connecting hole on each set square concentric up and down; Middle part between left bent plate and right curved plate connects middle beam frame, and middle beam frame is formed primarily of four bent plates, and three bent plates are fixed by two pieces of connecting weldings by the both sides of four bent plates, and two web plates overlap with left bent plate and right curved plate and weld; Accumulator box has two, is individually fixed in the front end outer side of left bent plate and right curved plate, and accumulator box both sides box wall top is provided with storage battery baffle plate; Left bent plate and right curved plate inner side-wall are fixed with engine bearer and diesel oil block respectively; Described left bent plate is provided with upper and lower two square holes, for the turnover of pipeline; The bottom of left bent plate and right curved plate is provided with footing, and the quantity of footing is four; Hanger is welded with outside two walls of left bent plate and right curved plate; After above anatomical connectivity, base treatment is carried out to Rear frame: by aforementioned bonderizing mode, carries out oil removing, rust cleaning, washing, table tune, phosphatization, washes, dries up, dry or dry; Carry out application again: adopt male or female bottom surface unification electrocoating paint, epoxies bottom surface unification electrocoating paint, electrophoretic painting after washing two, three times, dries 25 ~ 35min at 160 ~ 180 DEG C; Check after cooling, paint film should reach flat smooth, and the project of inspection also comprises gloss, sticking power, rotproofness, holiday, show-through, coarse groove, stickness, impurity, pin hole and sagging, and the thickness of spraying is 25 ~ 30 μm.
The described back rest is made up of a bent plate, in herring-bone, has the coupling end parallel with left and right bent plate at the two ends of herring-bone bent plate, and the employing of this coupling end is welded in left and right bent plate and is fixedly connected with; The interior angular range of the herring-bone angle of described bent plate, between 120 °-150 °, is circular arc inside and outside angle.
Four bent plates of described middle beam frame comprise bent plate I, bent plate II, bent plate III, bent plate IV, symmetrical between two, bent plate I is divided into three-stage structure, and the first paragraph of bent plate I is identical with the angle of interlude with second segment, angular range is between 150 °-170 °, and bent plate I and bent plate IV is mutually symmetrical; Bent plate II is divided into three-stage structure, and the first paragraph of bent plate II is identical with the angle of interlude with second segment, and angular range is between 120 °-150 °, and bent plate II and bent plate III is mutually symmetrical.
The angular range of described bent plate I is greater than the angular range of angle bent plate II.
Described footing is welded on the bottom of back rest lower plate and the inwall of left bent plate or right curved plate.
This Rear frame coating process that the present invention relates to, processing arrangement is reasonable, and the protection Rear frame enabling coating good, can extend the work-ing life of Rear frame.
Accompanying drawing explanation
Fig. 1 is Rear frame stereographic map of the present invention;
Fig. 2 is Rear frame stereographic map of the present invention; The displaying direction of Fig. 1 with Fig. 2 is different;
1-front-axle beam; 2-accumulator box; 3-hanger; The left bent plate of 4-; 5-square hole; 6-square hole; 7-back rest lower plate; 8-channel-section steel; 9-steering cylinder journal stirrup; 10-footing; 11-back rest upper plate; 12-bent plate IV; 13-bent plate II; 14-engine bearer; 15-gusset; 16-right curved plate; 17-back-up block; 18-bent plate I; 19-bent plate III; 20-diesel oil block.
Embodiment
As shown in Figure 1, first by assembled for Rear frame and welding in integrative-structure, wherein Rear frame comprises front-axle beam 1, the back rest, left bent plate 4, right curved plate 16, middle beam frame, accumulator box 2, engine bearer 14, diesel oil block 20, channel-section steel 8, steering cylinder journal stirrup 9, footing 10, hanger 3, described front-axle beam 1 is that the channel-section steel of a horizontal positioned is made, the back-up block 17 longitudinally connected is provided with, for supporting upper and lower two side plates of channel-section steel in the middle part of the groove of channel-section steel; Described left bent plate 4 and right curved plate 16 be arranged in parallel, and front-axle beam 1 and the back rest are welded in the two ends place between left bent plate and right curved plate; The back rest is two boards, arranges up and down, comprise back rest upper plate 11 and back rest lower plate 7, the channel-section steel 8 of vertical direction is welded with between upper and lower two plates, the middle part of channel-section steel 8 is fixedly connected with steering cylinder journal stirrup 9, turning-bar journal stirrup 9 comprises upper and lower two panels triangular plate, each set square while on welding channel-section steel 8, angle place corresponding to this limit is provided with connecting hole, makes the connecting hole on each set square concentric up and down; Middle part between left bent plate 4 and right curved plate 16 connects middle beam frame, and middle beam frame is formed primarily of four bent plates, and three bent plates are fixed by two pieces of connecting weldings by the both sides of four bent plates, and two web plates overlap with left bent plate and right curved plate and weld; Accumulator box 2 has two, is individually fixed in the front end outer side of left bent plate and right curved plate, and accumulator box 2 both sides box wall top is provided with storage battery baffle plate; Left bent plate and right curved plate inner side-wall are fixed with engine bearer 14 and diesel oil block 20 respectively; Described left bent plate is provided with upper and lower two square holes, square hole 5 and square hole 6; For the turnover of pipeline; The bottom of left bent plate 4 and right curved plate 16 is provided with footing 10, and the quantity of footing is four; Hanger 3 is welded with outside two walls of left bent plate and right curved plate; After above anatomical connectivity, base treatment is carried out to Rear frame: by aforementioned bonderizing mode, carries out oil removing, rust cleaning, washing, table tune, phosphatization, washes, dries up, dry or dry; Carry out application again: adopt male or female bottom surface unification electrocoating paint, epoxies bottom surface unification electrocoating paint, electrophoretic painting after washing two, three times, dries 25 ~ 35min at 160 ~ 180 DEG C; Check after cooling, paint film should reach flat smooth, and the project of inspection also comprises gloss, sticking power, rotproofness, holiday, show-through, coarse groove, stickness, impurity, pin hole and sagging, and the thickness of spraying is 25 ~ 30 μm.
The described back rest is made up of a bent plate, in herring-bone, has the coupling end parallel with left and right bent plate at the two ends of herring-bone bent plate, and the employing of this coupling end is welded in left and right bent plate and is fixedly connected with; The interior angular range of the herring-bone angle of described bent plate, between 120 °-150 °, is circular arc inside and outside angle.
Four bent plates of described middle beam frame comprise bent plate I18, bent plate II13, bent plate III19, bent plate IV12, symmetrical between two, bent plate I is divided into three-stage structure, the first paragraph of bent plate I18 is identical with the angle of interlude with second segment, angular range is between 150 °-170 °, and bent plate I and bent plate IV12 is mutually symmetrical; Bent plate II13 is divided into three-stage structure, and the first paragraph of bent plate II13 is identical with the angle of interlude with second segment, and angular range is between 120 °-150 °, and bent plate II13 and bent plate III19 is mutually symmetrical.
The angular range of described bent plate I18 is greater than the angular range of angle bent plate II.
Described footing 10 is welded on the bottom of back rest lower plate and the inwall of left bent plate or right curved plate.
Gusset 15. is welded with between described front-axle beam 1 and left and right bent plate
This Rear frame coating process that the present invention relates to, processing arrangement is reasonable, and the protection Rear frame enabling coating good, can extend the work-ing life of Rear frame.
Embodiment of the present invention does not form the restriction to the application's scope; within every spirit in the present invention's design and principle, any amendment that one of skill in the art can make, equivalent to replace and improvement etc. all should be included within protection scope of the present invention.
Claims (1)
1. a Rear frame coating process, it is characterized in that, first by assembled for Rear frame and welding in integrative-structure, wherein Rear frame comprises front-axle beam, the back rest, left bent plate, right curved plate, middle beam frame, accumulator box, engine bearer, diesel oil block, channel-section steel, steering cylinder journal stirrup, footing, hanger, described front-axle beam is that the channel-section steel of a horizontal positioned is made, the back-up block longitudinally connected is provided with, for supporting upper and lower two side plates of channel-section steel in the middle part of the groove of channel-section steel; Described left bent plate and right curved plate be arranged in parallel, and front-axle beam and the back rest are welded in the two ends place between left bent plate and right curved plate; The back rest is two boards, arranges up and down, the channel-section steel of vertical direction is welded with between upper and lower two back rest, the middle part of channel-section steel is fixedly connected with steering cylinder journal stirrup, turning-bar journal stirrup comprises upper and lower two panels triangular plate, each set square while welding channel-section steel on, angle place corresponding to this limit is provided with connecting hole, makes the connecting hole on each set square concentric up and down; Middle part between left bent plate and right curved plate connects middle beam frame, and middle beam frame is formed primarily of four bent plates, and three bent plates are fixed by two pieces of connecting weldings by the both sides of four bent plates, and two web plates overlap with left bent plate and right curved plate and weld; Accumulator box has two, is individually fixed in the front end outer side of left bent plate and right curved plate, and accumulator box both sides box wall top is provided with storage battery baffle plate; Left bent plate and right curved plate inner side-wall are fixed with engine bearer and diesel oil block respectively; Described left bent plate is provided with upper and lower two square holes, for the turnover of pipeline; The bottom of left bent plate and right curved plate is provided with footing, and the quantity of footing is four; Hanger is welded with outside two walls of left bent plate and right curved plate; After above anatomical connectivity, base treatment is carried out to Rear frame: by aforementioned bonderizing mode, carries out oil removing, rust cleaning, washing, table tune, phosphatization, washes, dries up, dry or dry; Carry out application again: adopt male or female bottom surface unification electrocoating paint, epoxies bottom surface unification electrocoating paint, electrophoretic painting after washing two, three times, dries 25 ~ 35min at 160 ~ 180 DEG C; Check after cooling, paint film should reach flat smooth, and the project of inspection also comprises gloss, sticking power, rotproofness, holiday, show-through, coarse groove, stickness, impurity, pin hole and sagging, and the thickness of spraying is 25 ~ 30 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410615346.2A CN104404603A (en) | 2014-11-05 | 2014-11-05 | Rear vehicle frame coating technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410615346.2A CN104404603A (en) | 2014-11-05 | 2014-11-05 | Rear vehicle frame coating technology |
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| Publication Number | Publication Date |
|---|---|
| CN104404603A true CN104404603A (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410615346.2A Pending CN104404603A (en) | 2014-11-05 | 2014-11-05 | Rear vehicle frame coating technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928697A (en) * | 2015-06-23 | 2015-09-23 | 山东亿嘉现代农业有限公司 | Tractor component treatment method and tractor component treatment system |
| CN111850656A (en) * | 2020-07-10 | 2020-10-30 | 济南亨利元汽车零配件有限公司 | Full-automatic cathode electrophoresis coating process for truck bumper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651530A (en) * | 2004-12-28 | 2005-08-10 | 华南理工大学 | Fluorinated low surface energy cathode electrophoresis paint and its preparation method |
| CN201050079Y (en) * | 2007-05-24 | 2008-04-23 | 厦门厦工新宇机械有限公司 | Modified loading machine rear frame structure |
| CN101376978A (en) * | 2008-09-12 | 2009-03-04 | 江苏友邦精工实业有限公司 | Surface treating process for iron finished piece |
| CN201604693U (en) * | 2009-12-28 | 2010-10-13 | 一汽解放青岛汽车厂 | Connecting base of frame assembly of truck with circular tube-shaped crossbeam |
-
2014
- 2014-11-05 CN CN201410615346.2A patent/CN104404603A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651530A (en) * | 2004-12-28 | 2005-08-10 | 华南理工大学 | Fluorinated low surface energy cathode electrophoresis paint and its preparation method |
| CN201050079Y (en) * | 2007-05-24 | 2008-04-23 | 厦门厦工新宇机械有限公司 | Modified loading machine rear frame structure |
| CN101376978A (en) * | 2008-09-12 | 2009-03-04 | 江苏友邦精工实业有限公司 | Surface treating process for iron finished piece |
| CN201604693U (en) * | 2009-12-28 | 2010-10-13 | 一汽解放青岛汽车厂 | Connecting base of frame assembly of truck with circular tube-shaped crossbeam |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928697A (en) * | 2015-06-23 | 2015-09-23 | 山东亿嘉现代农业有限公司 | Tractor component treatment method and tractor component treatment system |
| CN111850656A (en) * | 2020-07-10 | 2020-10-30 | 济南亨利元汽车零配件有限公司 | Full-automatic cathode electrophoresis coating process for truck bumper |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150311 |
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| RJ01 | Rejection of invention patent application after publication |