CN106181267B - The production technology of the automobile exhaust pipe of punching after a kind of first molding - Google Patents
The production technology of the automobile exhaust pipe of punching after a kind of first molding Download PDFInfo
- Publication number
- CN106181267B CN106181267B CN201610778245.6A CN201610778245A CN106181267B CN 106181267 B CN106181267 B CN 106181267B CN 201610778245 A CN201610778245 A CN 201610778245A CN 106181267 B CN106181267 B CN 106181267B
- Authority
- CN
- China
- Prior art keywords
- exhaust pipe
- plate
- punching
- edge rolling
- carries out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
- B21D28/285—Perforating, i.e. punching holes in tubes or other hollow bodies punching outwards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Exhaust Silencers (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a kind of production technologies of the automobile exhaust pipe of punching after first molding, which is characterized in that including：Step S1：Pretreatment：Exhaust pipe plank cut/cut, then carries out sanding and polishing；Step S2：Edge rolling process：Edge rolling is carried out using two roller edge rolling technologies to pretreated exhaust pipe plank；Step S3：Necking is carried out to the exhaust pipe after edge rolling；Step S4：The exhaust pipe complete to necking carries out welding fabrication；Step S5：The exhaust pipe of welding fabrication is put into hole punched device and is punched out by the way of interior punching；Step S6：Duct work finally complete to punching carries out removing surface.Local deformation phenomenon in punch process can be inhibited simultaneously by being effectively improved bore edges and the problem of burr occur, reached raising production efficiency, reduced the technique effect of production cost.
Description
Technical field
The present invention relates to a kind of automobile exhaust pipe of punching after first molding, a kind of more particularly to use prevents local deformation
Automobile exhaust pipe made of hole punched device.
Background technology
The punching process of existing automobile exhaust pipe is typically：（1）Exhaust pipe plank is punched out；（2）It will
The exhaust pipe plank of hole punch carries out edge rolling；（3）Last welding fabrication.But a large amount of production practices show that above-mentioned technique exists
Following technical problem：In the process of edge rolling is carried out to the exhaust pipe plank of hole punch, the edge in hole is susceptible to burr,
Product quality is caused to decline, and then following process is needed to handle burr, reduces production efficiency, the production cost increases.In addition, vapour
Also local deformation phenomenon of the workpiece in punch process is seldom considered in traditional punching process of vehicle exhaust pipe, and then is caused
Punching quality declines, and even scraps entire workpiece when serious.
Invention content
In order to solve above-mentioned the deficiencies in the prior art, the present invention provides it is a kind of first be molded after punching automobile exhaust pipe,
Local deformation phenomenon in punch process can be inhibited simultaneously by being effectively improved bore edges and the problem of burr occur, reach raising production
Efficiency reduces the technique effect of production cost.
Technical solution of the present invention is as follows：
The production technology of the automobile exhaust pipe of punching after a kind of first molding, including：Step S1：Pretreatment：To being vented tube sheet
Material cut/cut, and then carries out sanding and polishing；Step S2：Edge rolling process：Two are used to pretreated exhaust pipe plank
Roller edge rolling technology carries out edge rolling；Step S3：Necking is carried out to the exhaust pipe after edge rolling；Step S4：The exhaust pipe complete to necking
Carry out welding fabrication；Step S5：The exhaust pipe of welding fabrication is put into hole punched device and is punched out by the way of interior punching；
Step S6：Duct work finally complete to punching carries out removing surface.
Further, the hole punched device includes：Workpiece positioning guiding plate（8、9）, the workpiece positioning guiding plate（8、9）
The detachably connected pedestal in one end（10）, the workpiece positioning guiding plate（8、9）The other end be fixedly connected with lower binder
Backplate limiting fixed seat（7）One end, the lower binder backplate limiting fixed seat（7）Inside it is coaxially provided with lower interior material guide and limit plate
（6）, the lower binder backplate limiting fixed seat（7）The other end be fixedly connected with internal model slide block limiting plate（5）One end, it is described in
Mode slider limiting plate（5）The radially coaxial cavity plate that is arranged with enters that block is secondary to fix plate（4）, the internal model slide block limiting plate（5）It is another
One end is fixedly connected with interior material guide and limit plate（3）One end, the upper interior material guide and limit plate（3）It is radially coaxial to be arranged with
Binder backplate limiting fixed seat（2）；The cavity plate enters that block is secondary to fix plate（4）The groove in outside（42）In circumferentially averagely set
At least three cavity plates（41）, the cavity plate（41）Duct work is withstood by hydraulic mechanism pressurization（1）；The interior mode slider limiting
Plate（5）It has been disposed radially the first punch stroke hole（50）, the cavity plate（41）It has been disposed radially the second punch stroke hole
（40）, the cavity plate（41）On be also provided in the axial direction with dumping pit（43）, the dumping pit（43）With second punch stroke
Hole（40）Connection.
Further, the present invention also provides a kind of automobile exhaust pipes, are made according to above-mentioned production technology.
The beneficial effects of the invention are as follows：Using automobile exhaust pipe made of punching production technology after being first molded, it is effectively improved
The problem of burr occur in bore edges can inhibit local deformation phenomenon in punch process simultaneously, reach raising production efficiency, drop
The technique effect of low production cost.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the production technological process of the automobile exhaust pipe of punching after the present invention is first molded；
Fig. 2 is the decomposition diagram of hole punched device of the present invention；
Fig. 3 is the schematic diagram of hole punched device of the present invention；
Fig. 4 is the sectional view of hole punched device of the present invention；
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
All other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.Therefore, below to attached
The detailed description of the embodiment of the present invention provided in figure is not intended to limit the range of claimed invention, but only
Represent the selected embodiment of the present invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or one
Connect to body；Can be mechanical connection or electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two original papers.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Referring to Fig. 1, the production technology of the automobile exhaust pipe of punching is as follows after first molding of the invention：Step S1：Pretreatment：
Exhaust pipe plank cut/cut, then carries out sanding and polishing；Step S2：Edge rolling process：To pretreated exhaust pipe
Plank carries out edge rolling using two roller edge rolling technologies（Brake forming）；Step S3：Necking is carried out to the exhaust pipe after edge rolling；Step
S4：The exhaust pipe complete to necking carries out welding fabrication；Step S5：The exhaust pipe of welding fabrication is put into hole punched device using interior
The mode of punching is punched out；Step S6：Workpiece finally complete to punching carries out removing surface.It, can using above-mentioned production technology
Occurring the phenomenon that burr during edge rolling with the edge for effectivelying prevent hole.
Wherein step S3 can selectively be carried out according to needs of production.
Fig. 2-3 shows the schematic diagram of hole punched device, wherein, which includes：Workpiece positioning guiding plate 8,9, work
The detachably connected pedestal 10 in one end of part positioning guiding plate 8,9, the other end of workpiece positioning guiding plate 8,9 are fixedly connected with pushing
Expect one end of backplate limiting fixed seat 7, lower interior material guide and limit plate 6 to be coaxially provided in lower binder backplate limiting fixed seat 7, push
The other end of material backplate limiting fixed seat 7 is fixedly connected with one end of internal model slide block limiting plate 5, and 5 radial direction of internal model slide block limiting plate is same
Axle sleeve enters that block is secondary to fix plate 4 equipped with cavity plate, and the other end of internal model slide block limiting plate 5 is fixedly connected with interior material guide and limit plate 3
One end, upper interior material guide and limit plate 3 is radially coaxial to be arranged with binder backplate limiting fixed seat 2.
Fig. 4 shows the sectional view of hole punched device, wherein, cavity plate 41 is circumferentially averagely arranged on cavity plate and enters that block is secondary to be fixed
In the groove 42 in 4 outside of plate, cavity plate 41 sets 3 in the embodiment, and cavity plate 41 is by hydraulic mechanism（It is not shown in figure）Pressurization top
Firmly duct work 1 can effectively prevent treating the local deformation at punching position in duct work 1.5 edge of internal model slide block limiting plate
The first punch stroke hole 50 radially is provided with, the cavity plate 41 has been disposed radially the second punch stroke hole 40, the cavity plate 41
On be also provided in the axial direction with dumping pit 43, the dumping pit 43 is connected with the second punch stroke hole 40.
The punch process of duct work 1 is as follows：Duct work 1 is in hole punched device after positioning and clamping, punch（In figure
It is not shown）By duct work 1 inner radial from inside to outside（I.e. by the way of interior punching）Along punch stroke hole 50,40
Punching position, which is punched out, is treated to duct work 1, the discharging gone out is discharged via dumping pit 43.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification for all within the spirits and principles of the present invention, being made,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of production technology of the automobile exhaust pipe of punching after first molding, which is characterized in that including：Step S1：Pretreatment：It is right
Exhaust pipe plank cut/cut, and then carries out sanding and polishing；Step S2：Edge rolling process：To pretreated exhaust tube sheet
Material carries out edge rolling using two roller edge rolling technologies；Step S3：Necking is carried out to the exhaust pipe after edge rolling；Step S4：It is complete to necking
Exhaust pipe carry out welding fabrication；Step S5：The exhaust pipe of welding fabrication is put into hole punched device by the way of interior punching
It is punched out；Step S6：Duct work finally complete to punching carries out removing surface；The hole punched device includes：Workpiece is determined
Position guide plate（8、9）, the workpiece positioning guiding plate（8、9）The detachably connected pedestal in one end（10）, the workpiece positioning
Guide plate（8、9）The other end be fixedly connected with lower binder backplate limiting fixed seat（7）One end, the lower binder backplate limiting is solid
Reservation（7）Inside it is coaxially provided with lower interior material guide and limit plate（6）, the lower binder backplate limiting fixed seat（7）The other end fix
Connect internal model slide block limiting plate（5）One end, the internal model slide block limiting plate（5）It is radially coaxial to be arranged with cavity plate to enter block secondary fixed
Quasi- plate（4）, the internal model slide block limiting plate（5）The other end be fixedly connected with interior material guide and limit plate（3）One end, it is described on
Interior material guide and limit plate（3）It is radially coaxial to be arranged with binder backplate limiting fixed seat（2）；The cavity plate enters that block is secondary to fix plate
（4）The groove in outside（42）In at least three cavity plates are circumferentially averagely set（41）, the cavity plate（41）It is pressurizeed by hydraulic mechanism
Withstand duct work（1）；The internal model slide block limiting plate（5）It has been disposed radially the first punch stroke hole（50）, it is described recessed
Mould（41）It has been disposed radially the second punch stroke hole（40）, the cavity plate（41）On be also provided in the axial direction with dumping pit（43）,
The dumping pit（43）With the second punch stroke hole（40）Connection.
2. a kind of automobile exhaust pipe, the production of the automobile exhaust pipe of punching after a kind of first molding according to claim 1
Technique is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610778245.6A CN106181267B (en) | 2016-08-31 | 2016-08-31 | The production technology of the automobile exhaust pipe of punching after a kind of first molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610778245.6A CN106181267B (en) | 2016-08-31 | 2016-08-31 | The production technology of the automobile exhaust pipe of punching after a kind of first molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106181267A CN106181267A (en) | 2016-12-07 |
| CN106181267B true CN106181267B (en) | 2018-06-12 |
Family
ID=58086171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610778245.6A Active CN106181267B (en) | 2016-08-31 | 2016-08-31 | The production technology of the automobile exhaust pipe of punching after a kind of first molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106181267B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736298B (en) * | 2016-12-29 | 2019-02-01 | 无锡威孚力达催化净化器有限责任公司 | A kind of production technology of outlet pipe assembly |
| CN107313846A (en) * | 2017-07-20 | 2017-11-03 | 佛山市维杰汽车部件制造有限公司 | The manufacture method of integrated car blast pipe |
| CN107990834B (en) * | 2017-11-21 | 2019-11-08 | 中山市电赢科技有限公司 | A kind of burr detection method of lithium battery pole slice |
| CN107932002A (en) * | 2017-12-19 | 2018-04-20 | 石坚 | A kind of central tube automatic production process |
| CN108296780A (en) * | 2018-01-29 | 2018-07-20 | 湖州龙溢机械有限公司 | A kind of automobile exhaust pipe process equipment |
| CN110355527A (en) * | 2018-04-11 | 2019-10-22 | 张文票 | A kind of punching production technique of hemisphere |
| CN108637050B (en) * | 2018-05-03 | 2019-11-12 | 绍兴柯桥富荣纺织有限公司 | A method of it improving ship plate and rolls precision |
| CN109500214B (en) * | 2018-12-21 | 2024-01-12 | 安徽新悦精密机械有限公司 | Die structure for punching four holes on side wall of barrel-shaped part simultaneously and application of die structure |
| CN111168337B (en) * | 2020-03-06 | 2022-04-22 | 苏州事达同泰汽车零部件有限公司 | Manufacturing method of commercial vehicle exhaust pipe |
-
2016
- 2016-08-31 CN CN201610778245.6A patent/CN106181267B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106181267A (en) | 2016-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106181267B (en) | The production technology of the automobile exhaust pipe of punching after a kind of first molding | |
| CN105149455B (en) | A kind of vertical stilling well drawing forming method and its mould | |
| CN104847794B (en) | The processing method of bearing retainer | |
| CN204396941U (en) | A kind of chuck and movable jaw thereof | |
| SI1815922T1 (en) | Method of and tool for fine-cutting pieces with small edge radius and strongly reduced depth in a single step arrangement | |
| CN203390328U (en) | Gear shaving clamp allowing rapid replacement | |
| CN106078080A (en) | Semi-automatic inner forming machine | |
| CN206356491U (en) | The mechanism that a kind of utilization inertia auxiliary waste material low angle glides | |
| KR101617674B1 (en) | Molding apparatus of the hydraulic pipe | |
| CN104841756A (en) | Semiautomatic bore-forming machine | |
| CN205166671U (en) | Steering column end -face grinding chuck | |
| CN105033037A (en) | Semi-automatic inner hole forming machine | |
| CN202180135U (en) | Railway-vehicle sliding-plug-door hinge edge-coiling molding die | |
| CN101614628A (en) | Be used to detect the stretching punching reaming composite die of sheet material reaming performance | |
| CN106001149A (en) | Semi-automatic inner hole forming machine | |
| CN106111786A (en) | Semi-automatic inner forming machine | |
| CN206065225U (en) | A kind of subframe upper body stamping mold | |
| CN209288103U (en) | It is punched component | |
| CN106180233A (en) | Semi-automatic inner forming machine | |
| JPH0615381A (en) | Method for shearing sheet like material | |
| CN201618801U (en) | Stretching mould | |
| CN216096556U (en) | Multifunctional positioning and clamping device for drilling row residual materials | |
| CN103522025B (en) | A kind of production technology of supporting single lug | |
| CN218252419U (en) | Punch press is used in automobile pipe spare processing | |
| CN103394624A (en) | Adjustable positioning device for open punching of press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191008 Address after: 226600 169 Li Fa FA Road, Chengdong Town, Haian City, Nantong, Jiangsu. Patentee after: Nantong Ji Zhi Intellectual Property Service Co., Ltd. Address before: 215000 Jiangsu city of Suzhou province Xiangcheng District Taiping Industrial Zone gold community Jin Yu Lu 3-1 Patentee before: SUZHOU BOHUI ACCURATE MACHINE CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191015 Address after: 226300 Jiangsu city of Nantong province Tongzhou District Purple Star East Village town seven groups Patentee after: Nantong Steel Machinery Manufacturing Co., Ltd. Address before: 226600 169 Li Fa FA Road, Chengdong Town, Haian City, Nantong, Jiangsu. Patentee before: Nantong Ji Zhi Intellectual Property Service Co., Ltd. |