CN103223431A - Process for forming turned edges of barrel body of sound eliminator in one step - Google Patents
Process for forming turned edges of barrel body of sound eliminator in one step Download PDFInfo
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- CN103223431A CN103223431A CN2013101187472A CN201310118747A CN103223431A CN 103223431 A CN103223431 A CN 103223431A CN 2013101187472 A CN2013101187472 A CN 2013101187472A CN 201310118747 A CN201310118747 A CN 201310118747A CN 103223431 A CN103223431 A CN 103223431A
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- flange
- moulding
- cylindrical shell
- oval
- profiled part
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Abstract
The invention discloses a process for forming turned edges of a barrel body of a sound eliminator in one step. The process comprises the steps as follows: forming an ellipse of the barrel body and turned edges at the two ends of the barrel body by a special mould in one step; and placing the barrel body into the mould, pressing the mould down to finish formation of the ellipse of the barrel body, and turning the two ends of the barrel body to the periphery to finish formation of the turned edge at the two ends of the barrel body. According to the process, the ellipse of the barrel body and the turned edges at the two ends of the barrel body are formed by a special mould in one step, so that the original six steps are simplified into one step, the production efficiency is greatly improved, and the labor force is also reduced; and meanwhile, the turned edges are formed in one step, so that four forming seams are not existent, the leakage of the sound eliminator is reduced, and the product quality is improved.
Description
Technical field
The present invention relates to a kind of flange moulding process, relate to flange moulding process of a kind of silencer cylinder specifically.
Background technology
The silencer cylinder flange forming step of prior art generally was divided into for 6 steps, and as shown in Figure 1: the first step is pressed into ellipse to steel pipe; In second step, flange is carried out in oval upper end; In the 3rd step, flange is carried out in oval lower end; In the 4th step, oval left end is carried out flange; In the 5th step, oval right-hand member is carried out flange; In the 6th step, both ends of the surface are flattened; Therefore efficient is lower because work step is many, simultaneously between two forming surface, (have 4 places) and have the moulding seam, after the silencer overall package, (after placing other part in the cylindrical shell, add upper end cover at the cylindrical shell two ends, carry out rolling again) easily produce seepage, noise elimination poor effect.
Summary of the invention
Technical problem at above-mentioned existence the objective of the invention is: proposed flange moulding process of a kind of silencer cylinder that reduces procedure of processing, improves product quality and production efficiency.
Technical solution of the present invention is achieved in that flange moulding process of a kind of silencer cylinder, and this technology adopts the particular manufacturing craft one-shot forming with oval moulding of cylindrical shell and the flange moulding of cylindrical shell two ends; Described cylindrical shell is placed in the mould, described mould press down finish after the oval moulding of cylindrical shell with the cylindrical shell two ends to around carry out the flange moulding.
Preferably, described cylindrical shell after oval moulding, the inside and outside wall of cylindrical shell be in the stretching stationary state until the cylindrical shell two ends flange moulding finish.
Preferably, described mould comprises and presses down parts, push mechanism, flange profiled part, oval profiled part, bottom support seat that described push mechanism is fixed on and presses down on the parts; Described oval profiled part comprises being connected and presses down the patrix on the parts and be fixed on counterdie on the bottom support seat, forms a die cavity between patrix and the counterdie; Described push mechanism moves downward promotion flange profiled part and moves in die cavity, and the flange profiled part cooperates with oval profiled part finishes the flange moulding; Described oval profiled part finishes the back in the oval process of compacting to be finished until the flange moulding with flange profiled part stretching fixed cylinder.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
Flange moulding process of a kind of silencer cylinder of the present invention, by the particular manufacturing craft one-shot forming is adopted in oval moulding of cylindrical shell and the flange moulding of cylindrical shell two ends, the original six steps processing of adopting is shortened into a step, enhance productivity greatly, also reduced required labour, flange adopts one-shot forming simultaneously, does not therefore have 4 moulding seams, reduce the seepage of silencer integral body, improved the quality of product.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Accompanying drawing 1 is the cylindrical shell moulding process flow chart of prior art;
Accompanying drawing 2 is the mould structure schematic diagram of a flange moulding process of a kind of silencer cylinder of the present invention;
Wherein: 1, press down parts; 2, push mechanism; 3, bottom support seat; 4, patrix; 5, counterdie; 6, die cavity; 7, slanted kicking block; 8, flange forming blocks.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described.
Accompanying drawing 1 is the cylindrical shell moulding process flow chart of prior art;
Be flange moulding process of a kind of silencer cylinder of the present invention as shown in Figure 2, this technology adopts the particular manufacturing craft one-shot forming with oval moulding of cylindrical shell and the flange moulding of cylindrical shell two ends; Described cylindrical shell is placed in the mould, described mould press down finish after the oval moulding of cylindrical shell with the cylindrical shell two ends to around carry out the flange moulding; Described cylindrical shell after oval moulding, the inside and outside wall of cylindrical shell be in the stretching stationary state until the cylindrical shell two ends flange moulding finish; Described mould comprises and presses down parts 1, push mechanism 2, flange profiled part, oval profiled part, bottom support seat 3 that described push mechanism 2 is fixed on and presses down on the parts 1; Described oval profiled part comprises and is connected the patrix 4 that presses down on the parts 1 and is fixed on counterdie 5 on the bottom support seat 3, forms a die cavity 6 between patrix 4 and the counterdie 5; Described push mechanism 2 moves downward promotion flange profiled part and moves in die cavity, and the flange profiled part cooperates with oval profiled part finishes the flange moulding; Described oval profiled part finishes the back in the oval process of compacting to be finished until the flange moulding with flange profiled part stretching fixed cylinder.
Add man-hour in that silencer cylinder is carried out flange, circular thin-wall steel tube is put into the die cavity 6 of ovalize, press down parts 1 and move down the patrix 4 that drives oval profiled part and move down, circular thin-wall steel tube becomes ellipse under the effect of power; Press down parts 1 and continue effect downwards, oval cylindrical shell fixedly is compressed in the die cavity 6, make it to maintain static.
Drive push mechanism 2 when parts 1 move down and move downward pressing down, push mechanism 2 promotes the flange profiled parts and moves to the die cavity direction, finishes the flange moulding.
In the present embodiment, push mechanism 2 is for having the voussoir on an inclined-plane, and the flange profiled part comprises slanted kicking block 7, flange forming blocks 8; Slanted kicking block 7 one ends are connected with flange forming blocks 8, and the other end is provided with the inclined-plane that is used with the voussoir inclined-plane; When voussoir moves downward, promote slanted kicking block 7 and move horizontally to a side, move in die cavity 6 thereby drive flange forming blocks 8, thereby finish the flange moulding.
More specifically embodiment is, flange forming blocks 8 front end guiding circular arc ends enter in the oval cylindrical shell, and with the cylinder inboard wall stretching, cylinder body outer wall is encased by oval profiled part, and the cylindrical shell inside and outside wall is encased motionless tightly like this; Press down parts 1 when continuing to press down, flange forming blocks 8 also continues to move in die cavity 6, and flange is being carried out around outwards under the circular arc guiding of the flange shaping area on the flange forming blocks 8 in the cylindrical shell two ends; After finishing flange, press down parts 1 and move up, get back to initial position, take out cylindrical shell and finish processing
The present invention is by adopting the particular manufacturing craft one-shot forming with oval moulding of cylindrical shell and the flange moulding of cylindrical shell two ends, the original six steps processing of adopting is shortened into a step, enhance productivity greatly, also reduced required labour, flange adopts one-shot forming simultaneously, therefore there are not 4 moulding seams, reduced the seepage of silencer integral body, improved the quality of product.
The foregoing description only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (3)
1. flange moulding process of a silencer cylinder is characterized in that: this technology is with oval moulding of cylindrical shell and the one-shot forming of cylindrical shell two ends flange moulding employing particular manufacturing craft; Described cylindrical shell is placed in the mould, described mould press down finish after the oval moulding of cylindrical shell with the cylindrical shell two ends to around carry out the flange moulding.
2. flange moulding process of a kind of silencer cylinder as claimed in claim 1 is characterized in that: described cylindrical shell after oval moulding, the inside and outside wall of cylindrical shell be in the stretching stationary state until the cylindrical shell two ends flange moulding finish.
3. flange moulding process of a kind of silencer cylinder as claimed in claim 2, it is characterized in that: described mould comprises and presses down parts, push mechanism, flange profiled part, oval profiled part, bottom support seat that described push mechanism is fixed on and presses down on the parts; Described oval profiled part comprises being connected and presses down the patrix on the parts and be fixed on counterdie on the bottom support seat, forms a die cavity between patrix and the counterdie; Described push mechanism moves downward promotion flange profiled part and moves in die cavity, and the flange profiled part cooperates with oval profiled part finishes the flange moulding; Described oval profiled part finishes the back in the oval process of compacting to be finished until the flange moulding with flange profiled part stretching fixed cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101187472A CN103223431A (en) | 2013-04-08 | 2013-04-08 | Process for forming turned edges of barrel body of sound eliminator in one step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101187472A CN103223431A (en) | 2013-04-08 | 2013-04-08 | Process for forming turned edges of barrel body of sound eliminator in one step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103223431A true CN103223431A (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101187472A Pending CN103223431A (en) | 2013-04-08 | 2013-04-08 | Process for forming turned edges of barrel body of sound eliminator in one step |
Country Status (1)
| Country | Link |
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| CN (1) | CN103223431A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103785731A (en) * | 2014-01-17 | 2014-05-14 | 太原科技大学 | Device for forming cylindrical thin-wall flanging part |
| CN108856411A (en) * | 2018-07-20 | 2018-11-23 | 无锡威孚力达催化净化器有限责任公司 | A kind of processing technology of cylinder flange |
| CN110102640A (en) * | 2019-05-22 | 2019-08-09 | 苏州宝成汽车冲压有限公司 | A kind of flange punching mould tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070175038A1 (en) * | 2006-02-01 | 2007-08-02 | Hayes Lemmerz International | Method for producing a wheel disc |
| CN101352743A (en) * | 2008-07-28 | 2009-01-28 | 奇瑞汽车股份有限公司 | Inclined cut flanging compound knife block mechanism |
| CN202037252U (en) * | 2011-04-07 | 2011-11-16 | 柳州豫新汽车空调有限公司 | Steel pipe forming mould |
| CN102416420A (en) * | 2011-12-12 | 2012-04-18 | 合肥华龙模具有限责任公司 | Door shell flanging forming mold for refrigerating chamber of refrigerator |
| CN102527821A (en) * | 2012-01-20 | 2012-07-04 | 重庆至信实业有限公司 | Processing and trimming die for inner skin of front pillar of minicar |
-
2013
- 2013-04-08 CN CN2013101187472A patent/CN103223431A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070175038A1 (en) * | 2006-02-01 | 2007-08-02 | Hayes Lemmerz International | Method for producing a wheel disc |
| CN101352743A (en) * | 2008-07-28 | 2009-01-28 | 奇瑞汽车股份有限公司 | Inclined cut flanging compound knife block mechanism |
| CN202037252U (en) * | 2011-04-07 | 2011-11-16 | 柳州豫新汽车空调有限公司 | Steel pipe forming mould |
| CN102416420A (en) * | 2011-12-12 | 2012-04-18 | 合肥华龙模具有限责任公司 | Door shell flanging forming mold for refrigerating chamber of refrigerator |
| CN102527821A (en) * | 2012-01-20 | 2012-07-04 | 重庆至信实业有限公司 | Processing and trimming die for inner skin of front pillar of minicar |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103785731A (en) * | 2014-01-17 | 2014-05-14 | 太原科技大学 | Device for forming cylindrical thin-wall flanging part |
| CN103785731B (en) * | 2014-01-17 | 2016-04-20 | 太原科技大学 | A kind of device of forming cylinder shape thin-walled flange part |
| CN108856411A (en) * | 2018-07-20 | 2018-11-23 | 无锡威孚力达催化净化器有限责任公司 | A kind of processing technology of cylinder flange |
| CN110102640A (en) * | 2019-05-22 | 2019-08-09 | 苏州宝成汽车冲压有限公司 | A kind of flange punching mould tool |
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Application publication date: 20130731 |
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| RJ01 | Rejection of invention patent application after publication |