CN104108001A - Exhaust pipe production process and system - Google Patents
Exhaust pipe production process and system Download PDFInfo
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- CN104108001A CN104108001A CN201310134907.2A CN201310134907A CN104108001A CN 104108001 A CN104108001 A CN 104108001A CN 201310134907 A CN201310134907 A CN 201310134907A CN 104108001 A CN104108001 A CN 104108001A
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- 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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
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- Exhaust Silencers (AREA)
Abstract
The invention discloses an exhaust pipe production process and system and belongs to the field of exhaust pipes. The process includes: cutting and blanking a raw round pipe and manufacturing a bend to obtain a rear exhaust pipe; after cutting and blanking another raw round pipe and manufacturing another bend, and cutting the pipe to obtain a tail pipe; using a triple-rolling device to manufacture a cover, and assembling and welding a flange, a silencer and the cover to obtain a silencer body; welding the rear exhaust pipe, the tail pipe and the silencer body, and performing airtightness test to obtain a finished exhaust pipe. Meanwhile, the invention further provides the exhaust pipe production system; according to the system, a CNC (computer numerical control) pipe bender, an end pipe machine, an inspection fixture, an angle cutting machine, the triple-rolling device, an assembly machine, a combined spot-welding machine, a sealing machine, an air leak tester and a manipulator welder are connected in order. The exhaust pipe production process and system has the advantages that the operating flow and process is precise, qualification rate of the exhaust pipe is increased, production cost is saved, and labor intensity is reduced for workers.
Description
Technical field
The present invention relates to automobile exhaust pipe, be specifically related to a kind of production technology and system thereof of blast pipe.
Background technology
Along with improving constantly of living standard, the use amount of automobile is also improving constantly, and meanwhile, people are also improving constantly the performance of each parts of automobile, quality requirement, blast pipe is as the respiratory system of automobile, and the quality of its production method and manufactured goods is that consumer is concerned about always.
Notification number is: the Chinese patent of CN1152665A discloses method for making exhausting pipe, the flow process that it comprises six large steps, wherein, air-tightness experiment and the repairing work of adapter, the second work station WELD NUTS, the 3rd work station welding extension and bracing frame, the 4th work station welding hanger, the 5th work station welding pressing plate and the 6th work station established in the first work station weldering, and its shortcoming has as follows:
1, welding workstation is too many, and production cost is too high, and waste resource, does not meet the theory that most of enterprise saves production cost;
2, artificial welding is all used in welding, and welding quality can not be guaranteed, easily occurs welding dead angle;
3, air-tightness experiment adopts and tests in tank, and test effect is unstable, and blast pipe immerses in tank, easily causes the getting rusty of blast pipe in later stage, affects quality;
4, manual operation program is too much, affects production efficiency.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of production technology and system of blast pipe, operating process and operation are rigorous, improved the qualification rate of producing blast pipe, fully-automatic production, has improved the production efficiency of product, airtight detection is simple to operate, adopts manipulator bonding machine, avoids welding dead angle.
In order to realize foregoing invention object, the technical solution used in the present invention is as follows:
A production technology for blast pipe, comprises following production stage:
1), raw material pipe shearing blanking and bend pipe are made, obtain final vacuum pipe;
2), raw material pipe shearing blanking and bend pipe are made after, carry out Pipe Cutting, obtain tailpipe;
3), adopt three rewinding equipment, make lid, by flange, muffler and lid assembly welding, obtain muffler body;
4), by final vacuum pipe, tailpipe and muffler body welding, carry out airtight test, obtain blast pipe finished product.
Further, in described step 1), the concrete making step of final vacuum pipe is:
(10), CNC bending machine is according to the pipe length numerical value of setting, and to raw material pipe shearing blanking, also carries out bend pipe operation simultaneously;
(11), to the port of the pipe after the bend pipe in (10) step, adopt end pipe machine to carry out reaming making;
(12) pipe, after utilizing detecting tool to expander is proofreaded, and it is qualified to proofread, and obtains final vacuum pipe.
Further, described step 2), the concrete making step of tailpipe is:
(20), CNC bending machine is according to the pipe length numerical value of setting, to raw material pipe shearing blanking;
(21), utilize beveler to be mitered into inclined plane shape to the pipe port of blanking in (20) step.
Further, in described step 3), the concrete making step of muffler body is:
(30), adopt three rewinding equipment that lid raw material iron sheet is carried out to reel and flange forming operation, obtain lid;
(31), silencer, baffle plate and lid are assembled into one, adopt compound mash welder equipment to be welded and fixed;
(32), utilize sealing machine that the lid in (31) is carried out to sealing two ends, obtain muffler body;
(33), adopt airtight leakage machine to carry out airtight detection to muffler body;
Further, the concrete making step of described step 4) is:
(40), adopt manipulator bonding machine that final vacuum pipe, tailpipe and muffler body are welded together;
(41), adopt airtight leakage machine to carry out airtight detection to blast pipe finished product.
As a kind of preferred version, the material of described pipe is SUS436 stainless steel.
Accordingly, the present invention also provides a kind of production system of blast pipe, comprising:
CNC bending machine, for carrying out bend pipe operation to raw material pipe shearing blanking and to pipe;
End pipe machine, so with the port of pipe is carried out to ream operation;
Detecting tool, its effect is that pipe is carried out to the check and correction of bent angle angle;
Beveler, its effect is that tailpipe tail end is cut into inclined plane shape;
Three rewinding equipment, are molded into lid for reel and flange;
The vertical machine of group, for assembling flange, muffler and lid;
Compound mash welder, for being fixed on one by flange, muffler and lid;
Sealing machine, its effect is by lid sealing two ends;
Airtight leakage machine, its effect is that muffler body and blast pipe finished product are carried out to air-tightness detection.
Manipulator bonding machine, welds together final vacuum pipe, tailpipe and muffler body, obtains blast pipe finished product.
Described CNC bending machine, end pipe machine, detecting tool, beveler, three rewinding equipment, the vertical machine of group, compound mash welder, sealing machine, airtight leakage machine and manipulator bonding machine are linked in sequence.
Further, described manipulator bonding machine operating current is 100-195A, the bonding wire wire diameter that described manipulator bonding machine uses is 1.0mm, and the frequency that described manipulator bonding machine tip is changed is to change once for every 2 hours, and the gas flow of described manipulator bonding machine work is 5L/min-20L/min.
Further, the airtight pressure of described airtight leakage machine is 30-35Kpa.
Known according to above description, the production technology of a kind of blast pipe provided by the invention and system thereof, compared with prior art, have the following advantages:
1, in technological process, adopt full-automatic production, improved production efficiency, reduced workman's labour intensity;
2, adopt manipulator bonding machine to weld, welding quality is improved, and has avoided the appearance at welding dead angle, has improved the quality of blast pipe;
3, adopt airtight leakage machine to detect the air-tightness of blast pipe, simple to operate, detection efficiency improves, and has avoided getting rusty of blast pipe later stage simultaneously, has improved product quality.
4, reduce at weldering station, and in compound electric welding, operation together, has reduced personnel amount, has reduced product cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structure chart of blast pipe provided by the invention;
Fig. 2 is the schematic flow sheet of the production technology embodiment mono-of a kind of blast pipe provided by the invention;
Fig. 3 is the schematic flow sheet of the production technology embodiment bis-of a kind of blast pipe provided by the invention;
Fig. 4 is the schematic flow sheet of the production technology embodiment tri-of a kind of blast pipe provided by the invention;
Fig. 5 is the schematic flow sheet of the production technology embodiment tetra-of a kind of blast pipe provided by the invention;
Fig. 6 is the schematic flow sheet of the production technology embodiment five of a kind of blast pipe provided by the invention;
Fig. 7 is the structural representation of the production system of a kind of blast pipe provided by the invention.
The specific embodiment
The production technology of a kind of blast pipe provided by the invention and system, operating process and operation are rigorous, have improved the qualification rate of producing blast pipe, fully-automatic production, has improved the production efficiency of product, and airtight detection is simple to operate, adopt manipulator bonding machine, avoid welding dead angle.
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, obviously, described is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
Referring to Fig. 1, be the structure chart of blast pipe provided by the invention, comprise final vacuum pipe 1, described final vacuum pipe 1 connects muffler body 2, described muffler body 2 comprises lid 20, in described lid 20, is provided with muffler 21, and described muffler body 2 connects tailpipe 3.
Referring to Fig. 2, be the schematic flow sheet of the production technology embodiment mono-of a kind of blast pipe provided by the invention, the present embodiment one provides a kind of production technology of blast pipe, comprising:
1), raw material pipe shearing blanking and bend pipe are made, obtain final vacuum pipe;
2), raw material pipe shearing blanking and bend pipe are made after, carry out Pipe Cutting, obtain tailpipe;
3), adopt three rewinding equipment, make lid, by flange, muffler and lid assembly welding, obtain muffler body;
4), by final vacuum pipe, tailpipe and muffler body welding, carry out airtight test, obtain blast pipe finished product.
A kind of blast pipe provided by the invention, first in CNC bending machine, set pipe length numerical value, CNC bending machine is sheared according to numerical value raw material pipe, bend pipe after shearing directly carries out bend pipe according to bend pipe program in CNC, for final vacuum pipe, carry out port reaming, tailpipe is carried out to the shearing of port inclined-plane, respectively final vacuum pipe and tailpipe are placed on detecting tool it is proofreaded, proofread qualified after, obtain final vacuum pipe and tailpipe, adopt three rewinding equipment, make lid, by flange, after muffler and lid assembling, adopt compound mash welder by flange, muffler and lid firm welding are fixed, obtain muffler body, muffler body is carried out after airtight detection, by muffler body, back segment blast pipe and tailpipe are placed on manipulator bonding machine, weld the close detection of laggard promoting the circulation of qi, after qualified, can put in storage.
The material of described pipe is SUS436 stainless steel, and this material long service life, can be satisfied with discharge of automobile exhaust fumes instructions for use.
Use a kind of blast pipe production technology provided by the invention, can reduce welding process, fully-automatic production, has improved production efficiency, has promoted product quality.
Referring to Fig. 3, the schematic flow sheet of the production technology embodiment bis-of a kind of blast pipe provided by the invention; The main concrete making step of describing final vacuum pipe of embodiment bis-.
The concrete making step of final vacuum pipe is:
(10), CNC bending machine is according to the pipe length numerical value of setting, and to raw material pipe shearing blanking, also carries out bend pipe operation simultaneously;
(11), to the port of the pipe after the bend pipe in (10) step, adopt end pipe machine to carry out reaming making;
(12) pipe, after utilizing detecting tool to expander is proofreaded, and it is qualified to proofread, and obtains final vacuum pipe.
Its detecting tool is according to bend pipe angle self manufacture, simple in structure, convenient pipe after bend pipe is proofreaded to detection, has improved the qualification rate of product, and shearing blanking bend pipe one completes, and has saved the production time, has improved product yield.
Referring to Fig. 4, the schematic flow sheet of the production technology embodiment tri-of a kind of blast pipe provided by the invention; The main concrete making step of describing tailpipe of embodiment tri-, the concrete making step of described tailpipe is:
(20), CNC bending machine is according to the pipe length numerical value of setting, to raw material pipe shearing blanking;
(21), utilize beveler to be mitered into inclined plane shape to the pipe port of blanking in (20) step.
Pipe port is mitered into inclined plane shape, increases leaving area.
Referring to Fig. 5, the schematic flow sheet of the production technology embodiment tetra-of a kind of blast pipe provided by the invention; The main concrete making step of describing muffler body of embodiment tetra-, the concrete making step of described muffler body is:
(30), adopt three rewinding equipment that lid raw material iron sheet is carried out to reel and flange forming operation, obtain lid;
(31), silencer, baffle plate and lid are assembled into one, adopt compound mash welder equipment to be welded and fixed;
(32), utilize sealing machine that the lid in (31) is carried out to sealing two ends, obtain muffler body;
(33), adopt airtight leakage machine to carry out airtight detection to muffler body;
Further, the concrete making step of described step 4) is:
(40), adopt manipulator welding that final vacuum pipe, tailpipe and muffler body are welded together;
(41), adopt airtight leakage machine to carry out airtight detection to blast pipe finished product.
In step (30), adopt three rewinding equipment to lid iron sheet material loading reel, flange moulding, the mark of simultaneously stamping, each parts of muffler body are fitted together in the vertical machine of group, then utilize compound mash welder that each parts and lid are fixed, prevent from causing in vehicle traveling process vibration the damage of muffler body, compound mash welder has electric welding process and adheres to without welding slag, surface is without be full of cracks and uneven, improved the progress of welding process, saved the working time, finally muffler body is carried out to airtight detection, utilize airtight leakage machine to detect, the airtight pressure of setting airtight leakage machine is 30-35KPa, be set as 20s airtight stabilization time, amount of leakage is 3(L/min) following be qualified, take this airtight leakage machine to detect, one can get rid of defective products in advance, improved product percent of pass.
Referring to Fig. 6, the schematic flow sheet of the production technology embodiment five of a kind of blast pipe provided by the invention; The main final production step of describing blast pipe finished product in step 4) of embodiment five, comprising:
(40), adopt manipulator bonding machine that final vacuum pipe, tailpipe and muffler body are welded together;
(41), adopt airtight leakage machine to carry out airtight detection to blast pipe finished product.
Adopt manipulator bonding machine that final vacuum pipe, tailpipe and muffler body are welded together, setting manipulator bonding machine operating current is 100-195A, the bonding wire wire diameter that described manipulator bonding machine uses is 1.0mm, the frequency that described manipulator bonding machine tip is changed is to change once for every 2 hours, the electric current of described manipulator bonding machine work is 100 A-195A, and the gas flow of described manipulator bonding machine work is 5L/min-20L/min.Adopt this manipulator bonding machine welding precision to improve, avoided the existence at welding dead angle, outward appearance detects welding bead surface and adheres to without a large amount of welding slags, foreign adheres to, welding bead pore-free, depression, solder skip, weldering partially, dry joint, cross molten, be full of cracks, surface irregularity, without polishing vestige, final airtight detection adopts airtight leakage machine to detect blast pipe finished product, the airtight pressure of setting airtight leakage machine is 30-35KPa, be set as 20s airtight stabilization time, amount of leakage is 3(L/min) following be qualified, without blast pipe finished product is placed in tank and is detected, avoid blast pipe finished product to get rusty in follow-up and caused the quality of product to reduce, improved the quality of blast pipe, this airtight leakage machine mechanism is simple simultaneously, easy for operation, reduced the production cost of product.
Referring to Fig. 7, the structural representation for the production system of a kind of blast pipe provided by the invention, comprising:
CNC bending machine 1, for carrying out bend pipe operation to raw material pipe shearing blanking and to pipe;
End pipe machine 2, so with the port of pipe is carried out to ream operation;
Detecting tool 3, its effect is that pipe is carried out to the check and correction of bent angle angle;
Beveler 4, its effect is that tailpipe tail end is cut into inclined plane shape;
Three rewinding equipment 5, are molded into lid for reel and flange;
The vertical machine 6 of group, for assembling flange, muffler and lid;
Compound mash welder 7, for being fixed on one by flange, muffler and lid;
Sealing machine 8, its effect is by lid sealing two ends;
Airtight leakage machine 9, its effect is that muffler body and blast pipe finished product are carried out to air-tightness detection.
Manipulator bonding machine 10, welds together final vacuum pipe, tailpipe and muffler body, obtains blast pipe finished product.
Described CNC bending machine 1, end pipe machine 2, detecting tool 3, beveler 4, three rewinding equipment 5, the vertical machine 6 of group, compound mash welder 7, sealing machine 8, airtight leakage machine 9 and manipulator bonding machine 10 are linked in sequence.
Further, described manipulator bonding machine 10 operating currents are 100-195A, the bonding wire wire diameter that described manipulator bonding machine 10 uses is 1.0mm, the frequency that described manipulator bonding machine 10 tips are changed is to change once for every 2 hours, and the gas flow of described manipulator bonding machine 10 work is 5L/min-20L/min.
Further, the airtight pressure of described airtight leakage machine 9 is 30-35Kpa.
Adopt this blast pipe production system, fully-automatic production, has alleviated workman's labour intensity, has improved production efficiency, has saved the production time, has improved product percent of pass.
By illustrating above, the production technology of known a kind of blast pipe provided by the invention and system thereof, have following beneficial effect:
1, in technological process, adopt full-automatic production, improved production efficiency, reduced workman's labour intensity;
2, adopt manipulator bonding machine to weld, welding quality is improved, and has avoided the appearance at welding dead angle, has improved the quality of blast pipe;
3, adopt airtight leakage machine to detect the air-tightness of blast pipe, simple to operate, detection efficiency improves, and has avoided getting rusty of blast pipe later stage simultaneously, has improved product quality;
4, reduce at weldering station, and in compound electric welding, operation together, has reduced personnel amount, has reduced product cost.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. a production technology for blast pipe, is characterized in that, comprises following production stage:
1), raw material pipe shearing blanking and bend pipe are made, obtain final vacuum pipe;
2), raw material pipe shearing blanking and bend pipe are made after, carry out Pipe Cutting, obtain tailpipe;
3), adopt three rewinding equipment, make lid, by flange, muffler and lid assembly welding, obtain muffler body;
4), by final vacuum pipe, tailpipe and muffler body welding, carry out airtight test, obtain blast pipe finished product.
2. the production technology of a kind of blast pipe according to claim 1, is characterized in that, in described step 1), the concrete making step of final vacuum pipe is:
(10), CNC bending machine is according to the pipe length numerical value of setting, and to raw material pipe shearing blanking, also carries out bend pipe operation simultaneously;
(11), to the port of the pipe after the bend pipe in (10) step, adopt end pipe machine to carry out reaming making;
(12) pipe, after utilizing detecting tool to expander is proofreaded, and it is qualified to proofread, and obtains final vacuum pipe.
3. the production technology of a kind of blast pipe according to claim 1, is characterized in that, described step 2) in the concrete making step of tailpipe be:
(20), CNC bending machine is according to the pipe length numerical value of setting, to raw material pipe shearing blanking;
(21), utilize beveler to be mitered into inclined plane shape to the pipe port of blanking in (20) step.
4. the production technology of a kind of blast pipe according to claim 1, is characterized in that, described step 3)
The concrete making step of middle muffler body is:
(30), adopt three rewinding equipment that lid raw material iron sheet is carried out to reel and flange forming operation, obtain lid;
(31), silencer, baffle plate and lid are assembled into one, adopt compound mash welder equipment to be welded and fixed;
(32), utilize sealing machine that the lid in (31) is carried out to sealing two ends, obtain muffler body;
(33), adopt airtight leakage machine to carry out airtight detection to muffler body.
5. the production technology of a kind of blast pipe according to claim 1, is characterized in that, the concrete making step of described step 4) is:
(40), adopt manipulator bonding machine that final vacuum pipe, tailpipe and muffler body are welded together;
(41), adopt airtight leakage machine to carry out airtight detection to blast pipe finished product.
6. according to the production technology of a kind of blast pipe described in claim 1-5 any one, it is characterized in that, the material of described pipe is SUS436 stainless steel.
7. a production system for blast pipe, is characterized in that, comprising:
CNC bending machine, for carrying out bend pipe operation to raw material pipe shearing blanking and to pipe;
End pipe machine, so with the port of pipe is carried out to ream operation;
Detecting tool, its effect is that pipe is carried out to the check and correction of bent angle angle;
Beveler, its effect is that tailpipe tail end is cut into inclined plane shape;
Three rewinding equipment, are molded into lid for reel and flange;
The vertical machine of group, for assembling flange, muffler and lid;
Compound mash welder, for being fixed on one by flange, muffler and lid;
Sealing machine, its effect is by lid sealing two ends;
Airtight leakage machine, its effect is that muffler body and blast pipe finished product are carried out to air-tightness detection;
Manipulator bonding machine, welds together final vacuum pipe, tailpipe and muffler body, obtains blast pipe finished product;
Described CNC bending machine, end pipe machine, detecting tool, beveler, three rewinding equipment, the vertical machine of group, compound mash welder, sealing machine, airtight leakage machine and manipulator bonding machine are linked in sequence.
8. the production system of a kind of blast pipe according to claim 7, it is characterized in that, described manipulator bonding machine operating current is 100-195A, the bonding wire wire diameter that described manipulator bonding machine uses is 1.0mm, the frequency that described manipulator bonding machine tip is changed is to change once for every 2 hours, and the gas flow of described manipulator bonding machine work is 5L/min-20L/min.
9. the production system of a kind of blast pipe according to claim 7, is characterized in that, the airtight pressure of described airtight leakage machine is 30-35Kpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310134907.2A CN104108001A (en) | 2013-04-18 | 2013-04-18 | Exhaust pipe production process and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310134907.2A CN104108001A (en) | 2013-04-18 | 2013-04-18 | Exhaust pipe production process and system |
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| CN104108001A true CN104108001A (en) | 2014-10-22 |
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| CN201310134907.2A Pending CN104108001A (en) | 2013-04-18 | 2013-04-18 | Exhaust pipe production process and system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104564452A (en) * | 2014-12-26 | 2015-04-29 | 曹铃强 | Automobile engine intake pipe and integrated manufacturing process thereof |
| CN104690108A (en) * | 2015-03-30 | 2015-06-10 | 西峡县内燃机进排气管有限责任公司 | Manufacturing method for tubular stainless steel manifold |
| CN105500009A (en) * | 2016-01-19 | 2016-04-20 | 陈吉美 | Processing and producing line of simple axillary crutch |
| CN105643285A (en) * | 2015-09-18 | 2016-06-08 | 湖北农谷环保科技有限公司 | Environment-friendly automobile noise reduction catalyst converter production line |
| CN106553065A (en) * | 2017-01-04 | 2017-04-05 | 太仓世钟汽车配件有限公司 | A kind of exhaust pipe of engine automatic production line |
| CN108971718A (en) * | 2018-08-31 | 2018-12-11 | 常州德研自动化科技有限公司 | Straightening blanking electric resistance welding tube and section bending line |
| CN109317972A (en) * | 2017-07-31 | 2019-02-12 | 宁波精达成形装备股份有限公司 | A kind of bend pipe lantern ring all-in-one machine of pipe fitting |
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| CN111531363A (en) * | 2020-04-22 | 2020-08-14 | 招商局重工（江苏）有限公司 | Intelligent control 'welding-before-bending' process method for pipe |
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| CN106553065A (en) * | 2017-01-04 | 2017-04-05 | 太仓世钟汽车配件有限公司 | A kind of exhaust pipe of engine automatic production line |
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Application publication date: 20141022 |