CN104595000A - Exhaust heat shield applied to diesel engine and production process thereof - Google Patents
Exhaust heat shield applied to diesel engine and production process thereof Download PDFInfo
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- CN104595000A CN104595000A CN201510001866.9A CN201510001866A CN104595000A CN 104595000 A CN104595000 A CN 104595000A CN 201510001866 A CN201510001866 A CN 201510001866A CN 104595000 A CN104595000 A CN 104595000A
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- thermal shield
- heat insulation
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Abstract
The invention discloses an exhaust heat shield applied to a diesel engine and a production process thereof, and belongs to the field of the structural design and production process of a heat shield. The exhaust heat shield applied to the diesel engine comprises a heat shield body, wherein the left view structure of the heat shield body is in a fillet M shape, a front plate of the heat shield body and a rear plate of the heat shield body are provided with abdicating recess plates, upper plate contact parts between the abdicating recess plates and a upper plate of the heat shield body are provided with lower abdicating recess plates in which mounting holes are formed, the right end of the heat shield body is provided with an L-shaped gap of which the overlook structure is a square C shape and the front view structure is an L shape, and the heat shield body is provided with a reinforcing rib. Therefore, the intensity of the exhaust heat shield applied to the diesel engine can be enhanced, the service life can be prolonged, the production process can be simplified, the production efficiency can be improved, and the production cost can be reduced; furthermore, the exhaust heat shield applied to the diesel engine is simple in structure and is easy to process, thereby being applicable to promotion and application.
Description
Technical field
The present invention relates to a kind of thermal shield and production technology thereof, particularly relate to a kind of the exhaust thermal shield and the production technology thereof that are applied to diesel engine.
Background technique
Diesel engine is diesel engine, and it is that a kind of burning diesel oil is to obtain exergonic motor.Diesel engine because its thermal efficiency is high, the gentle visibly moved advantage such as easily of good economy performance and be widely used in industry-by-industry, usually the position of the opposite core of affiliated industrial chain is in, be mainly used in final auxiliary products, such as the main heavy truck of Large-power High-Speed diesel engine, motorbus, engineering machinery, boats and ships, generator set etc.
Diesel engine is when normal operation work, high-temp waste gas after combustion gas acting burning in its cylinder body is discharged through outlet pipe, because these high-temp waste gas carry a large amount of heats, so through outlet pipe, have heat to give out, thus the temperature in diesel engine cabin can be caused too high, in order to reduce the thermal radiation of other component to diesel engine outside, increase the service life, ensure normal work and the safety of diesel engine, outlet pipe is kept apart by using thermal shield by people, carries out heat insulation process to the outlet pipe of high temperature.
But, thermal shield of the prior art, its bulk strength is poor, and easily shake and the fault such as to split, working life is short, fragile, usually needs repair and replacement, thus adds the maintenance cost of diesel engine; Thermal shield production technology of the prior art is comparatively complicated simultaneously, and manufacturing efficiency is also lower, and then adds the cost of production of thermal shield.
Summary of the invention
For above-mentioned Problems existing, the invention provides a kind of the exhaust thermal shield and the production technology thereof that are applied to diesel engine, poor to overcome thermal shield bulk strength of the prior art, fragile, the problem that working life is short, also the comparatively complicated problem causing manufacturing efficiency lower of thermal shield production technology of the prior art is overcome, thus both enhanced the intensity that this is applied to the exhaust thermal shield of diesel engine, extend working life, in turn simplify its production technology, improve manufacturing efficiency, reduce cost of production, this exhaust heat shield structure being applied to diesel engine is simple, be easy to processing, thus be suitable for promoting the use of.
To achieve these goals, the technological scheme that the present invention takes is:
A kind of exhaust thermal shield being applied to diesel engine, wherein, comprise: left TV structure is the heat insulation body of rounding " M " shape, the header board of described heat insulation body and the rear plate of described heat insulation body are equipped with notch board of stepping down, described upper plate contact segment of stepping down notch board and described heat insulation body is provided with lower dent of stepping down, described lower dent of stepping down is provided with mounting hole, and the right-hand member of described heat insulation body is provided with a plan structure and is " Contraband " shape and positive TV structure is being the breach of " L " shape;
Wherein, described heat insulation body is provided with stiffening rib.
The above-mentioned exhaust thermal shield being applied to diesel engine, wherein, the header board of described heat insulation body is provided with notch board of stepping down described in two, and the rear plate of described heat insulation body is also provided with notch board of stepping down described in two;
Wherein, the position of the notch board of stepping down of the header board of described heat insulation body is corresponding with the position of the notch board of stepping down of the rear plate of described heat insulation body.
The above-mentioned exhaust thermal shield being applied to diesel engine, wherein, the plane at the notch board place of stepping down of the header board of described heat insulation body is parallel with the header board of described heat insulation body, and both are at a distance of 5mm.
The above-mentioned exhaust thermal shield being applied to diesel engine, wherein, described heat insulation body the plane at notch board place of stepping down of rear plate parallel with the rear plate of described heat insulation body, and both are at a distance of 5mm.
The above-mentioned exhaust thermal shield being applied to diesel engine, wherein, the thickness of the header board of described heat insulation body, rear plate, upper plate and notch board of stepping down is between 2 ~ 5mm.
The above-mentioned exhaust thermal shield being applied to diesel engine, wherein, the thickness of the header board of described heat insulation body, rear plate, upper plate and notch board of stepping down is 3mm.
Be applied to a production technology for the exhaust thermal shield of diesel engine, wherein, comprise:
Blanking: cold drawing material is cut into billot with guillotine shear;
Shaping: with press and shaping die, described billot to be pressed into shaping stock;
Cut wedge angle: with the first punch press with cut wedge angle mould the left end of described shaping stock is gone out a left breach;
Circle of contact head: with the second punch press and circle of contact head mould tool by the wedge angle circle of contact of described left breach, obtain the elementary exhaust thermal shield that left TV structure is rounding " M " shape;
Punching: go out mounting hole with the 3rd punch press and punching die on described elementary exhaust thermal shield;
Cut bottom plane: with the 4th punch press with cut base mould and excised by unnecessary cold drawing;
Sawing machine joint-cutting: cut out plan structure for " Contraband " shape and positive TV structure is being the vertical masonry joint of " L " shape at the right-hand member of described elementary exhaust thermal shield with sawing machine;
Manual slot: described vertical masonry joint is cut into arc-shaped slit with burning torch;
Trimming: the described elementary exhaust thermal shield with arc-shaped slit gone out the left TV structure of left end is rounding " M " shape, right-hand member plan structure is " Contraband " shape with the 5th punch press and positive TV structure is being the intermediate exhaust thermal shield of " L " shape;
Remove wedge angle, burr: the wedge angle and the burr that remove described intermediate exhaust thermal shield;
Surface treatment: at described intermediate exhaust heat shield surface coating high-temperature resistant membrane, obtain final exhaust thermal shield.
The above-mentioned production technology being applied to the exhaust thermal shield of diesel engine, wherein, described press adopts 315 tons of press.
The above-mentioned production technology being applied to the exhaust thermal shield of diesel engine, wherein, described first punch press and described 4th punch press adopt 250 tons of punch presses, and described second punch press, the 3rd punch press and the 5th punch press adopt 80 tons of punch presses.
The above-mentioned production technology being applied to the exhaust thermal shield of diesel engine, wherein, described high-temperature resistant membrane is high temperature resistant paint.
Technique scheme tool has the following advantages or beneficial effect:
The exhaust thermal shield being applied to diesel engine provided by the invention comprises: left TV structure is the heat insulation body of rounding " M " shape, the header board of heat insulation body and the rear plate of heat insulation body are equipped with notch board of stepping down, the upper plate contact segment of notch board and heat insulation body of stepping down is provided with lower dent of stepping down, lower dent of stepping down is provided with mounting hole, the right-hand member of heat insulation body is provided with a plan structure and is " Contraband " shape and positive TV structure is being the breach of " L " shape, and heat insulation body is provided with stiffening rib; Thus overcome the problem that thermal shield bulk strength of the prior art is poor, fragile, working life is short, and then enhance the intensity that this is applied to the exhaust thermal shield of diesel engine, extend working life, and structure is simple, be easy to processing, thus be suitable for promoting the use of.
The production technology being applied to the exhaust thermal shield of diesel engine provided by the invention, pass through blanking, chamfering one end, shaping, cut wedge angle, circle of contact head, punching, cut bottom plane, sawing machine joint-cutting, manual slot, trimming, break corner, burr and surface treatment, thus the production completed the exhaust thermal shield being applied to diesel engine, this production technology is comparatively simple, thus overcome the comparatively complicated problem causing manufacturing efficiency lower of thermal shield production technology of the prior art, owing to simplifying its production technology, thus improve manufacturing efficiency, reduce cost of production, be suitable for applying.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, the present invention and feature, profile and advantage will become more apparent.Mark identical in whole accompanying drawing indicates identical part.Deliberately proportionally do not draw accompanying drawing, focus on purport of the present invention is shown.
Fig. 1 is the Facad structure schematic diagram being applied to the exhaust thermal shield of diesel engine that the embodiment of the present invention 1 provides;
Fig. 2 is the bottom surface structure schematic diagram being applied to the exhaust thermal shield of diesel engine that the embodiment of the present invention 1 provides.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but not as limiting to the invention.
Embodiment 1:
Fig. 1 is the Facad structure schematic diagram being applied to the exhaust thermal shield of diesel engine that the embodiment of the present invention 1 provides, Fig. 2 is the bottom surface structure schematic diagram being applied to the exhaust thermal shield of diesel engine that the embodiment of the present invention 1 provides, as shown in the figure, the exhaust thermal shield of what the embodiment of the present invention 1 provided be applied to diesel engine comprises: left TV structure is the heat insulation body 101 of rounding " M " shape, the header board of heat insulation body 101 and the rear plate of heat insulation body 101 are provided with two notch boards 102 of stepping down respectively, the upper plate contact segment of notch board 102 and heat insulation body 101 of stepping down is provided with lower dent 103 of stepping down, lower dent 103 of stepping down is provided with mounting hole 104, the right-hand member of heat insulation body 101 is provided with a plan structure and is " Contraband " shape and positive TV structure is being the breach 105 of " L " shape, simultaneously, heat insulation body 101 is provided with two stiffening ribs 106, the exhaust thermal shield being applied to diesel engine of this structural design overcomes the problem that thermal shield bulk strength of the prior art is poor, fragile, working life is short, and then enhance the intensity that this is applied to the exhaust thermal shield of diesel engine, extend working life, and structure is simple, be easy to processing, thus be suitable for promoting the use of.
What provide in the embodiment of the present invention 1 is applied in the exhaust thermal shield of diesel engine, the position of the notch board 102 of stepping down of the header board of heat insulation body 101 is corresponding with the position of the notch board 102 of stepping down of the rear plate of heat insulation body 101, simultaneously, the rear plate of the header board of heat insulation body 101 and step down lower dent 103 and the heat insulation body 101 of upper plate and the lower dent 103 of stepping down of upper plate also corresponding, thus ensure that symmetry properties and the stability of installation, ensure that in using process and can not come off, improve Safety performance.
What provide in the embodiment of the present invention 1 is applied in the exhaust thermal shield of diesel engine, the plane of the notch board 102 of stepping down of the header board of heat insulation body 101 is parallel with the header board of heat insulation body 101, and both are at a distance of 5mm, simultaneously, heat insulation body 101 the plane at notch board 102 place of stepping down of rear plate parallel with the rear plate of heat insulation body 101, and both are at a distance of 5mm; Symmetrical structure designs, and further ensure that the exhaust thermal shield that this is applied to diesel engine is installed on the stability in automobile and the Security in using process.
What provide in the embodiment of the present invention 1 is applied in the exhaust thermal shield of diesel engine, the thickness of the header board of heat insulation body, rear plate, upper plate and notch board of stepping down is between 2 ~ 5mm, as 2mm, 3mm, 4mm, 5mm etc., be preferably 3mm, the exhaust thermal shield being applied to diesel engine of this thickness block heat can be passed to the miscellaneous part in automobile fully, and not thick quite well, thus on the basis ensureing heat insulation usefulness, reduction doses, and then reduce cost of production.
The exhaust thermal shield of what the embodiment of the present invention 1 provided be applied to diesel engine comprises: left TV structure is the heat insulation body of rounding " M " shape, the header board of heat insulation body and the rear plate of heat insulation body are equipped with notch board of stepping down, the upper plate contact segment of notch board and heat insulation body of stepping down is provided with lower dent of stepping down, lower dent of stepping down is provided with mounting hole, the right-hand member of heat insulation body is provided with a plan structure and is " Contraband " shape and positive TV structure is being the breach of " L " shape, and heat insulation body is provided with stiffening rib; Thus overcome the problem that thermal shield bulk strength of the prior art is poor, fragile, working life is short, and then enhance the intensity that this is applied to the exhaust thermal shield of diesel engine, extend working life, and structure is simple, be easy to processing, thus be suitable for promoting the use of.
The production technology of what the embodiment of the present invention 1 provided the be applied to exhaust thermal shield of diesel engine comprises:
Blanking: cold drawing material is cut into billot with guillotine shear;
Shaping: with the press of 315 tons and shaping die, billot to be pressed into shaping stock;
Cut wedge angle: with first punch presses of 250 tons with cut wedge angle mould the left end of shaping stock is gone out a left breach;
Circle of contact head: with second punch presses of 80 tons and circle of contact head mould tool by the wedge angle circle of contact of left breach, obtain the elementary exhaust thermal shield that left TV structure is rounding " M " shape;
Punching: go out mounting hole with the 3rd punch presses of 80 tons and punching die on elementary exhaust thermal shield;
Cut bottom plane: with the 4th punch presses of 250 tons with cut base mould and excised by unnecessary cold drawing;
Sawing machine joint-cutting: cut out plan structure for " Contraband " shape and positive TV structure is being the vertical masonry joint of " L " shape at the right-hand member of elementary exhaust thermal shield with sawing machine;
Manual slot: vertical masonry joint is cut into arc-shaped slit with burning torch;
Trimming: the elementary exhaust thermal shield with arc-shaped slit gone out the left TV structure of left end is rounding " M " shape, right-hand member plan structure is " Contraband " shape with the 5th punch presses of 80 tons and positive TV structure is being the intermediate exhaust thermal shield of " L " shape;
Remove wedge angle, burr: the wedge angle of removing intermediate exhaust thermal shield and burr;
Surface treatment: at intermediate exhaust heat shield surface coating high-temperature resistant membrane, this high-temperature resistant membrane is high temperature resistant paint, obtains final exhaust thermal shield.
The production technology of what the embodiment of the present invention 1 provided the be applied to exhaust thermal shield of diesel engine, pass through blanking, chamfering one end, shaping, cut wedge angle, circle of contact head, punching, cut bottom plane, sawing machine joint-cutting, manual slot, trimming, break corner, burr and surface treatment, thus the production completed the exhaust thermal shield being applied to diesel engine, this production technology is comparatively simple, thus overcome the comparatively complicated problem causing manufacturing efficiency lower of thermal shield production technology of the prior art, owing to simplifying its production technology, thus improve manufacturing efficiency, reduce cost of production, be suitable for applying.
It should be appreciated by those skilled in the art that those skilled in the art can realize described change case in conjunction with prior art and above-described embodiment, do not repeat them here.Such change case does not affect flesh and blood of the present invention, does not repeat them here.
Above preferred embodiment of the present invention is described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, the equipment wherein do not described in detail to the greatest extent and structure are construed as to be implemented with the common mode in related domain; Any those of ordinary skill in the art, make many possible variations and modification not departing from technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations, this does not affect flesh and blood of the present invention.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (10)
1. one kind is applied to the exhaust thermal shield of diesel engine, it is characterized in that, comprise: left TV structure is the heat insulation body of rounding " M " shape, the header board of described heat insulation body and the rear plate of described heat insulation body are equipped with notch board of stepping down, described upper plate contact segment of stepping down notch board and described heat insulation body is provided with lower dent of stepping down, described lower dent of stepping down is provided with mounting hole, and the right-hand member of described heat insulation body is provided with a plan structure and is " Contraband " shape and positive TV structure is being the breach of " L " shape;
Wherein, described heat insulation body is provided with stiffening rib.
2. be applied to the exhaust thermal shield of diesel engine as claimed in claim 1, it is characterized in that, the header board of described heat insulation body is provided with notch board of stepping down described in two, and the rear plate of described heat insulation body is also provided with notch board of stepping down described in two;
Wherein, the position of the notch board of stepping down of the header board of described heat insulation body is corresponding with the position of the notch board of stepping down of the rear plate of described heat insulation body.
3. be applied to the exhaust thermal shield of diesel engine as claimed in claim 1, it is characterized in that, the plane at the notch board place of stepping down of the header board of described heat insulation body is parallel with the header board of described heat insulation body, and both are at a distance of 5mm.
4. the exhaust thermal shield being applied to diesel engine as described in claim 1 or 3, is characterized in that, described heat insulation body the plane at notch board place of stepping down of rear plate parallel with the rear plate of described heat insulation body, and both are at a distance of 5mm.
5. be applied to the exhaust thermal shield of diesel engine as claimed in claim 1, it is characterized in that, the thickness of the header board of described heat insulation body, rear plate, upper plate and notch board of stepping down is between 2 ~ 5mm.
6. be applied to the exhaust thermal shield of diesel engine as claimed in claim 1, it is characterized in that, the thickness of the header board of described heat insulation body, rear plate, upper plate and notch board of stepping down is 3mm.
7. be applied to a production technology for the exhaust thermal shield of diesel engine, it is characterized in that, comprising:
Blanking: cold drawing material is cut into billot with guillotine shear;
Shaping: with press and shaping die, described billot to be pressed into shaping stock;
Cut wedge angle: with the first punch press with cut wedge angle mould the left end of described shaping stock is gone out a left breach;
Circle of contact head: with the second punch press and circle of contact head mould tool by the wedge angle circle of contact of described left breach, obtain the elementary exhaust thermal shield that left TV structure is rounding " M " shape;
Punching: go out mounting hole with the 3rd punch press and punching die on described elementary exhaust thermal shield;
Cut bottom plane: with the 4th punch press with cut base mould and excised by unnecessary cold drawing;
Sawing machine joint-cutting: cut out plan structure for " Contraband " shape and positive TV structure is being the vertical masonry joint of " L " shape at the right-hand member of described elementary exhaust thermal shield with sawing machine;
Manual slot: described vertical masonry joint is cut into arc-shaped slit with burning torch;
Trimming: the described elementary exhaust thermal shield with arc-shaped slit gone out the left TV structure of left end is rounding " M " shape, right-hand member plan structure is " Contraband " shape with the 5th punch press and positive TV structure is being the intermediate exhaust thermal shield of " L " shape;
Remove wedge angle, burr: the wedge angle and the burr that remove described intermediate exhaust thermal shield;
Surface treatment: at described intermediate exhaust heat shield surface coating high-temperature resistant membrane, obtain final exhaust thermal shield.
8. be applied to the production technology of the exhaust thermal shield of diesel engine as claimed in claim 7, it is characterized in that, described press adopts 315 tons of press.
9. be applied to the production technology of the exhaust thermal shield of diesel engine as claimed in claim 7, it is characterized in that, described first punch press and described 4th punch press adopt 250 tons of punch presses, and described second punch press, the 3rd punch press and the 5th punch press adopt 80 tons of punch presses.
10. be applied to the production technology of the exhaust thermal shield of diesel engine as claimed in claim 7, it is characterized in that, described high-temperature resistant membrane is high temperature resistant paint.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001866.9A CN104595000B (en) | 2015-01-04 | 2015-01-04 | Exhaust heat shield and its production technology applied to diesel engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001866.9A CN104595000B (en) | 2015-01-04 | 2015-01-04 | Exhaust heat shield and its production technology applied to diesel engine |
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| Publication Number | Publication Date |
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| CN104595000A true CN104595000A (en) | 2015-05-06 |
| CN104595000B CN104595000B (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510001866.9A Active CN104595000B (en) | 2015-01-04 | 2015-01-04 | Exhaust heat shield and its production technology applied to diesel engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856492A (en) * | 2018-08-03 | 2018-11-23 | 浙江正鼎汽车零部件有限公司 | heat shield manufacturing method |
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| EP0582205A1 (en) * | 1992-08-07 | 1994-02-09 | Erhardt Bischoff GmbH & Co KG | Exhaust manifold |
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| CN103899400A (en) * | 2014-04-25 | 2014-07-02 | 重庆长安汽车股份有限公司 | Thermal insulation cover for engine exhaust manifold |
| CN204532505U (en) * | 2015-01-04 | 2015-08-05 | 无锡市佳宜车厢制造有限公司 | Be applied to the exhaust thermal shield of diesel engine |
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2015
- 2015-01-04 CN CN201510001866.9A patent/CN104595000B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0582205A1 (en) * | 1992-08-07 | 1994-02-09 | Erhardt Bischoff GmbH & Co KG | Exhaust manifold |
| CN101331299A (en) * | 2006-01-24 | 2008-12-24 | 菲特尔莫古密封系统有限公司 | Heat shield |
| KR20120000636A (en) * | 2010-06-28 | 2012-01-04 | 현대자동차주식회사 | Heat-protector for automobile |
| CN201934175U (en) * | 2011-02-17 | 2011-08-17 | 重庆小康汽车集团有限公司 | Exhaust manifold heat insulating cover of engine |
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| CN108856492A (en) * | 2018-08-03 | 2018-11-23 | 浙江正鼎汽车零部件有限公司 | heat shield manufacturing method |
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