CN104595000B - Exhaust heat shield and its production technology applied to diesel engine - Google Patents
Exhaust heat shield and its production technology applied to diesel engine Download PDFInfo
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- CN104595000B CN104595000B CN201510001866.9A CN201510001866A CN104595000B CN 104595000 B CN104595000 B CN 104595000B CN 201510001866 A CN201510001866 A CN 201510001866A CN 104595000 B CN104595000 B CN 104595000B
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- heat shield
- insulated body
- heat
- exhaust heat
- diesel engine
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Abstract
The invention discloses a kind of exhaust heat shield and its production technology applied to diesel engine, belongs to structure design and the production technology field of heat shield, should include applied to the exhaust heat shield of diesel engine：Left view structure is the heat-insulated body of rounding " M " shape, the back plate of the foreboard of heat-insulated body and heat-insulated body is equipped with resigning notch board, the upper plate contact portion of resigning notch board and heat-insulated body is provided with resigning lower concave part, resigning lower concave part is provided with mounting hole, it is the breach that " Contraband " shape facing structure is " L " shape that the right-hand member of heat-insulated body, which is provided with a plan structure, and is provided with reinforcement on heat-insulated body；So as to both enhance the intensity applied to the exhaust heat shield of diesel engine, service life is extended, in turn simplify its production technology, production efficiency is improved, reduces production cost, the exhaust heat shield structure that should be applied to diesel engine is simple, it is easy to process, so as to suitably promote the use of.
Description
Technical field
The present invention relates to a kind of heat shield and its production technology, more particularly to a kind of exhaust heat shield applied to diesel engine
And its production technology.
Background technology
Diesel engine is diesel engine, and it is a kind of burning diesel oil to obtain exergonic engine.Diesel engine by
In its thermal efficiency is high, good economy performance it is gentle it is visibly moved easily the advantages that and be widely used in industry-by-industry, be typically located at affiliated industry
The position of the opposite core of chain, is mainly used in final auxiliary products, such as the main heavy truck of Large-power High-Speed diesel engine, large-scale
Car, engineering machinery, ship, generating set etc..
Diesel engine in normal operation work, through blast pipe arrange by the high-temp waste gas after combustion gas acting burning in its cylinder body
Go out, because these high-temp waste gas carry substantial amounts of heat, so when by blast pipe, have heat and give out, so as to meeting
Cause the temperature in diesel engine cabin too high, in order to reduce the heat radiation to other parts outside diesel engine, extend and use
In the life-span, ensure the normal work and safety of diesel engine, people are kept apart blast pipe by using heat shield, to the row of high temperature
Tracheae is thermally insulated.
However, heat shield of the prior art, its bulk strength is poor, easily shakes and the failure such as splits, and service life is short,
It is fragile, it is often necessary to repair and replacement, so as to add the maintenance cost of diesel engine；Heat shield production of the prior art simultaneously
Technique is complex, and production efficiency is relatively low, and then adds the production cost of heat shield.
The content of the invention
For above-mentioned problem, the present invention provides a kind of exhaust heat shield applied to diesel engine and its production work
Skill, the problem of to overcome heat shield bulk strength of the prior art poor, fragile, service life is short, also overcome existing skill
Heat shield production technology complex the problem of causing production efficiency relatively low in art, it is applied to diesel engine so as to both enhance this
Exhaust heat shield intensity, extend service life, in turn simplify its production technology, improve production efficiency, reduce life
Cost is produced, this is simple applied to the exhaust heat shield structure of diesel engine, easy to process, so as to suitably promote the use of.
To achieve these goals, the technical scheme taken of the present invention is：
A kind of exhaust heat shield applied to diesel engine, wherein, including：Left view structure is heat-insulated of rounding " M " shape
The back plate of body, the foreboard of the heat-insulated body and the heat-insulated body is equipped with resigning notch board, the resigning notch board and it is described every
The upper plate contact portion of hot body is provided with resigning lower concave part, and the resigning lower concave part is provided with mounting hole, the heat-insulated body
Right-hand member be provided with a plan structure be " Contraband " shape and facing structure be " L " shape breach；
Wherein, it is provided with reinforcement on the heat-insulated body.
The above-mentioned exhaust heat shield applied to diesel engine, wherein, the foreboard of the heat-insulated body is provided with two institutes
Resigning notch board is stated, the back plate of the heat-insulated body is also provided with two resigning notch boards；
Wherein, the position of the resigning notch board of the foreboard of the heat-insulated body and the resigning notch board of the back plate of the heat-insulated body
Position it is corresponding.
The above-mentioned exhaust heat shield applied to diesel engine, wherein, where the resigning notch board of the foreboard of the heat-insulated body
Plane it is parallel with the foreboard of the heat-insulated body, and both are at a distance of 5mm.
The above-mentioned exhaust heat shield applied to diesel engine, wherein, the resigning notch board institute of the back plate of the heat-insulated body
Plane it is parallel with the back plate of the heat-insulated body, and both are at a distance of 5mm.
The above-mentioned exhaust heat shield applied to diesel engine, wherein, the foreboard of the heat-insulated body, back plate, upper plate and
The thickness of resigning notch board is between 2~5mm.
The above-mentioned exhaust heat shield applied to diesel engine, wherein, the foreboard of the heat-insulated body, back plate, upper plate and
The thickness of resigning notch board is 3mm.
A kind of production technology of exhaust heat shield applied to diesel engine, wherein, including：
Blanking：Cold drawing material is cut into billot with plate shearing machine；
Shaping：The billot is pressed into shaping stock with press and mould；
Cut wedge angle：With the first punch press and cut wedge angle mould the left end of the shaping stock is gone out into a left breach；
Circle of contact head：Have with the second punch press and circle of contact head mould by the wedge angle circle of contact of the left breach, obtain left view structure to fall
The primary exhaust heat shield of fillet " M " shape；
Punching：With the 3rd punch press and punching die mounting hole is gone out on the primary exhaust heat shield；
Cut baseplane：With the 4th punch press and base mould is cut by unnecessary cold drawing excision；
Sawing machine joint-cutting：Plan structure is cut out as " Contraband " shape in the right-hand member of the primary exhaust heat shield with sawing machine and faces knot
Structure is the vertical masonry joint of " L " shape；
Manual slot：The vertical masonry joint is cut into arc-shaped slit with burning torch；
Trimming：It is rounding that the primary exhaust heat shield with arc-shaped slit is gone out into left end left view structure with the 5th punch press
Angle " M " shape, right-hand member plan structure are " Contraband " shape and facing structure is the intermediate exhaust heat shield of " L " shape；
Remove wedge angle, burr：Remove the wedge angle and burr of the intermediate exhaust heat shield；
Surface treatment：High-temperature resistant membrane is coated in the intermediate exhaust heat shield surface, obtains final exhaust heat shield.
The production technology of the above-mentioned exhaust heat shield for being applied to diesel engine, wherein, the press uses 315 tons of press.
The production technology of the above-mentioned exhaust heat shield for being applied to diesel engine, wherein, first punch press and the described 4th
Punch press uses 250 tons of punch presses, and second punch press, the 3rd punch press and the 5th punch press use 80 tons of punch presses.
The production technology of the above-mentioned exhaust heat shield for being applied to diesel engine, wherein, the high-temperature resistant membrane is high temperature resistant
Paint.
Above-mentioned technical proposal has the following advantages that or beneficial effect：
Exhaust heat shield provided by the invention applied to diesel engine includes：Left view structure is heat-insulated for rounding " M " shape
The back plate of body, the foreboard of heat-insulated body and heat-insulated body is equipped with resigning notch board, and the upper plate of resigning notch board and heat-insulated body connects
Contact portion is arranged with resigning lower concave part, and resigning lower concave part is provided with mounting hole, and the right-hand member of heat-insulated body is provided with a plan structure
" Contraband " shape and facing structure are the breach of " L " shape, and are provided with reinforcement on heat-insulated body；It is of the prior art so as to overcome
The problem of heat shield bulk strength is poor, fragile, service life is short, and then it is heat-insulated applied to the exhaust of diesel engine to enhance this
The intensity of cover, service life is extended, and it is simple in construction, it is easy to process, so as to suitably promote the use of.
It is provided by the invention applied to diesel engine exhaust heat shield production technology, by blanking, chamfering one end, into
Type, cut wedge angle, circle of contact head, punching, cut at baseplane, sawing machine joint-cutting, manual slot, trimming, break corner, burr and surface
Reason, so as to complete the production to the exhaust heat shield applied to diesel engine, the production technology is relatively simple, existing so as to overcome
Heat shield production technology complex the problem of causing production efficiency relatively low in technology, due to simplifying its production technology, from
And production efficiency is improved, reduce production cost, suitable popularization and application.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, the present invention and its feature, outside
Shape and advantage will become more apparent.The identical mark instruction identical part in whole accompanying drawings.Not deliberately according to than
Example draws accompanying drawing, it is preferred that emphasis is shows the purport of the present invention.
Fig. 1 is the positive structure schematic for the exhaust heat shield for being applied to diesel engine that the embodiment of the present invention 1 provides；
Fig. 2 is the bottom surface structure schematic diagram for the exhaust heat shield for being applied to diesel engine that the embodiment of the present invention 1 provides.
Embodiment
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings, but not as the limit of the present invention
It is fixed.
Embodiment 1：
Fig. 1 is the positive structure schematic for the exhaust heat shield for being applied to diesel engine that the embodiment of the present invention 1 provides；Fig. 2
It is the bottom surface structure schematic diagram for the exhaust heat shield for being applied to diesel engine that the embodiment of the present invention 1 provides；It is as illustrated, of the invention
The exhaust heat shield applied to diesel engine that embodiment 1 provides includes：Left view structure is the heat-insulated body 101 of rounding " M " shape,
The foreboard of heat-insulated body 101 and the back plate of heat-insulated body 101 are respectively provided with two resigning notch boards 102, resigning notch board 102 and every
The upper plate contact portion of hot body 101 is provided with resigning lower concave part 103, and resigning lower concave part 103 is provided with mounting hole 104, heat-insulated
The right-hand member of body 101 be provided with a plan structure be " Contraband " shape and facing structure be " L " shape breach 105, meanwhile, heat-insulated body 101
On be provided with two reinforcements 106；The exhaust heat shield applied to diesel engine of the structure design overcomes of the prior art
The problem of heat shield bulk strength is poor, fragile, service life is short, and then it is heat-insulated applied to the exhaust of diesel engine to enhance this
The intensity of cover, service life is extended, and it is simple in construction, it is easy to process, so as to suitably promote the use of.
In the exhaust heat shield applied to diesel engine that the embodiment of the present invention 1 provides, the foreboard of heat-insulated body 101 allows
The position of position notch board 102 is corresponding with the position of the resigning notch board 102 of the back plate of heat-insulated body 101, meanwhile, heat-insulated body 101
Foreboard and the resigning lower concave part 103 of upper plate and the resigning lower concave part 103 of the back plate of heat-insulated body 101 and upper plate it is also corresponding,
So as to ensure that the symmetry of installation and stability, it ensure that and will not fall off during use, improve security performance.
In the exhaust heat shield applied to diesel engine that the embodiment of the present invention 1 provides, the foreboard of heat-insulated body 101 allows
The plane of position notch board 102 is parallel with the foreboard of heat-insulated body 101, and both are at a distance of 5mm, meanwhile, the back plate of heat-insulated body 101
Resigning notch board 102 where plane it is parallel with the back plate of heat-insulated body 101, and both apart 5mm；Symmetrical structure designs,
It further ensure that the exhaust heat shield for being applied to diesel engine is installed on the stability in automobile and the peace during use
Quan Xing.
In the exhaust heat shield applied to diesel engine that the embodiment of the present invention 1 provides, the foreboard of heat-insulated body, back plate,
The thickness of upper plate and resigning notch board is between 2~5mm, such as 2mm, 3mm, 4mm, 5mm, preferably 3mm, the application of the thickness
The miscellaneous part in heat transfer to automobile can sufficiently be stopped in the exhaust heat shield of diesel engine, and it is not thick quite well, so as to
On the basis of heat-insulated efficiency is ensured, material quantity is reduced, and then reduce production cost.
The exhaust heat shield applied to diesel engine that the embodiment of the present invention 1 provides includes：Left view structure is rounding " M " shape
Heat-insulated body, the back plate of the foreboard of heat-insulated body and heat-insulated body is equipped with resigning notch board, resigning notch board and heat-insulated body
Upper plate contact portion is provided with resigning lower concave part, and resigning lower concave part is provided with mounting hole, and the right-hand member of heat-insulated body is provided with one and overlooks knot
Structure is " Contraband " shape and facing structure is the breach of " L " shape, and is provided with reinforcement on heat-insulated body；So as to overcome prior art
In heat shield bulk strength it is poor, fragile, service life is short the problem of, and then enhance this be applied to diesel engine exhaust
The intensity of heat shield, service life is extended, and it is simple in construction, it is easy to process, so as to suitably promote the use of.
The production technology for the exhaust heat shield applied to diesel engine that the embodiment of the present invention 1 provides includes：
Blanking：Cold drawing material is cut into billot with plate shearing machine；
Shaping：Billot is pressed into shaping stock with 315 tons of press and mould；
Cut wedge angle：With 250 tons of the first punch presses and cut wedge angle mould the left end of shaping stock is gone out into a left breach；
Circle of contact head：Have with 80 tons of the second punch presses and circle of contact head mould by the wedge angle circle of contact of left breach, obtaining left view structure is
The primary exhaust heat shield of rounding " M " shape；
Punching：With 80 tons of the 3rd punch presses and punching die mounting hole is gone out on primary exhaust heat shield；
Cut baseplane：With 250 tons of the 4th punch presses and base mould is cut by unnecessary cold drawing excision；
Sawing machine joint-cutting：Cut out plan structure in the right-hand member of primary exhaust heat shield with sawing machine is for " Contraband " shape and facing structure
The vertical masonry joint of " L " shape；
Manual slot：Vertical masonry joint is cut into arc-shaped slit with burning torch；
Trimming：The primary exhaust heat shield with arc-shaped slit is gone out into left end left view structure to fall with 80 tons of the 5th punch presses
Fillet " M " shape, right-hand member plan structure are " Contraband " shape and facing structure is the intermediate exhaust heat shield of " L " shape；
Remove wedge angle, burr：Remove the wedge angle and burr of intermediate exhaust heat shield；
Surface treatment：High-temperature resistant membrane is coated in intermediate exhaust heat shield surface, the high-temperature resistant membrane paints for high temperature resistant,
Obtain final exhaust heat shield.
What the embodiment of the present invention 1 provided is applied to the production technology of the exhaust heat shield of diesel engine, passes through blanking, chamfering one
Hold, be molded, cut wedge angle, circle of contact head, punching, cut baseplane, sawing machine joint-cutting, manual slot, trimming, break corner, burr and table
Face is handled, and so as to complete the production to the exhaust heat shield applied to diesel engine, the production technology is relatively simple, so as to overcome
Heat shield production technology complex the problem of causing production efficiency relatively low of the prior art, work is produced due to simplifying it
Skill, so as to improve production efficiency, reduce production cost, suitable popularization and application.
It should be appreciated by those skilled in the art that those skilled in the art combine prior art and above-described embodiment can be real
The existing change case, will not be described here.Such change case has no effect on the substantive content of the present invention, will not be described here.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as giving reality with the common mode in this area
Apply；Any those skilled in the art, many possible changes and modifications are made not departing from technical solution of the present invention, or
The equivalent embodiment of equivalent variations is revised as, this has no effect on the substantive content of the present invention.Therefore, it is every without departing from skill of the present invention
The content of art scheme, the technical spirit according to the present invention to any simple modification made for any of the above embodiments, equivalent variations and are repaiied
Decorations, still fall within technical solution of the present invention protection in the range of.
Claims (5)
- A kind of 1. exhaust heat shield applied to diesel engine, it is characterised in that including：Left view structure for rounding " M " shape every The back plate of hot body, the foreboard of the heat-insulated body and the heat-insulated body is equipped with two resigning notch boards, the resigning notch board Be provided with resigning lower concave part with the upper plate contact portion of the heat-insulated body, the resigning lower concave part is provided with mounting hole, it is described every The right-hand member of hot body be provided with a plan structure be " Contraband " shape and facing structure be " L " shape breach；The foreboard of the heat-insulated body Resigning notch board position it is corresponding with the position of the resigning notch board of the back plate of the heat-insulated body；The foreboard of the heat-insulated body Resigning notch board where plane it is parallel with the foreboard of the heat-insulated body, and both are at a distance of 5mm；After the heat-insulated body Plane where the resigning notch board of plate is parallel with the back plate of the heat-insulated body, and both are at a distance of 5mm；Before the heat-insulated body Plate, back plate, the thickness of upper plate and resigning notch board are between 2~5mm；The foreboard of the heat-insulated body, back plate, upper plate and allow The thickness of position notch board is 3mm；Wherein, it is provided with reinforcement on the heat-insulated body.
- A kind of 2. production technology of exhaust heat shield applied to diesel engine, it is characterised in that including：Blanking：Cold drawing material is cut into billot with plate shearing machine；Shaping：The billot is pressed into shaping stock with press and mould；Cut wedge angle：With the first punch press and cut wedge angle mould the left end of the shaping stock is gone out into a left breach；Circle of contact head：Have with the second punch press and circle of contact head mould by the wedge angle circle of contact of the left breach, it is rounding to obtain left view structure The primary exhaust heat shield of " M " shape；Punching：With the 3rd punch press and punching die mounting hole is gone out on the primary exhaust heat shield；Cut baseplane：With the 4th punch press and base mould is cut by unnecessary cold drawing excision；Sawing machine joint-cutting：Cut out plan structure in the right-hand member of the primary exhaust heat shield with sawing machine is for " Contraband " shape and facing structure The vertical masonry joint of " L " shape；Manual slot：The vertical masonry joint is cut into arc-shaped slit with burning torch；Trimming：It is rounding that the primary exhaust heat shield with arc-shaped slit is gone out into left end left view structure with the 5th punch press " M " shape, right-hand member plan structure are " Contraband " shape and facing structure is the intermediate exhaust heat shield of " L " shape；Remove wedge angle, burr：Remove the wedge angle and burr of the intermediate exhaust heat shield；Surface treatment：High-temperature resistant membrane is coated in the intermediate exhaust heat shield surface, obtains final exhaust heat shield.
- 3. the production technology for being vented heat shield applied to diesel engine as claimed in claim 2, it is characterised in that the press Using 315 tons of press.
- 4. the production technology for being vented heat shield applied to diesel engine as claimed in claim 2, it is characterised in that described first Punch press and the 4th punch press use 250 tons of punch presses, and second punch press, the 3rd punch press and the 5th punch press use 80 tons of punch presses.
- 5. the production technology for being vented heat shield applied to diesel engine as claimed in claim 2, it is characterised in that the resistance to height Warm film paints for high temperature resistant.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104595000A CN104595000A (en) | 2015-05-06 |
| CN104595000B true CN104595000B (en) | 2018-04-06 |
Family
ID=53121005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510001866.9A Active CN104595000B (en) | 2015-01-04 | 2015-01-04 | Exhaust heat shield and its production technology applied to diesel engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104595000B (en) |
Families Citing this family (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 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4226171A1 (en) * | 1992-08-07 | 1994-02-10 | Bischoff Erhardt Gmbh Co Kg | Exhaust manifold |
| DE102006003229A1 (en) * | 2006-01-24 | 2007-08-02 | Federal-Mogul Sealing Systems Gmbh | Heat shield, for exhaust gas manifold, for example, consists of several elements which at least partially overlap one another, wherein in overlapping region the elements are fixed at least in places but can move relative to one another |
| 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 |
| CN202100314U (en) * | 2011-05-31 | 2012-01-04 | 长城汽车股份有限公司 | Insulating cover of gas intake manifold of supercharged diesel engine |
| 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 |
-
2015
- 2015-01-04 CN CN201510001866.9A patent/CN104595000B/en active Active
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| CN104595000A (en) | 2015-05-06 |
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