CN104492987A - High-precision flared fitting forming tool - Google Patents
High-precision flared fitting forming tool Download PDFInfo
- Publication number
- CN104492987A CN104492987A CN201410557402.1A CN201410557402A CN104492987A CN 104492987 A CN104492987 A CN 104492987A CN 201410557402 A CN201410557402 A CN 201410557402A CN 104492987 A CN104492987 A CN 104492987A
- Authority
- CN
- China
- Prior art keywords
- necking
- pipe fitting
- pipe body
- length
- external diameter
- 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.)
- Pending
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Classifications
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
-
- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- 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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Exhaust Silencers (AREA)
Abstract
A high-precision flared fitting forming tool is characterized by comprising a pipe body; the pipe body is dived into an upper pipe body end, a middle pipe body end and a lower pipe body end; the upper pipe body end is a necking-down end; the middle pipe body end is a transition segment; the lower pipe body end is a flaring end; the necking-down end comprises a necking-down body and a necking-down circular arc; the flaring end comprises a flaring body and a flaring circular arc; when a pipe fitting is machined, the stamping necking manner is adopted; the machining time of the pipe fitting is greatly reduced, and the technical characteristics of stamping necking are combined; the necking precision is effectively improved, and the product quality is improved; meanwhile, the machining time is reduced, the machining speed and the efficiency of the pipe fitting are improved, and cost generated by purchasing of a plurality of necking-down devices is saved; and the manual cost is reduced, and meanwhile energy losses are reduced.
Description
Technical field
The present invention relates to automobile exhaust system blast pipe technology field, is a kind of horn mouth pipe fitting forming frock.
Background technology
Relate to a kind of horn mouth pipe fitting forming frock in automobile exhaust system blast pipe field, this type of horn mouth pipe fitting forming frock circulated in market, when making, the normally numerical control reducing used and monolateral enlarging, and numerical control reducing ubiquity low precision, the uncontrollable problem of pipe fitting length, carry out numerical control reducing and monolateral enlarging respectively, complicated operation, complicated, process velocity is slow simultaneously.
Summary of the invention
The present invention be solve low precision that above-mentioned horn mouth pipe fitting forming frock exists, pipe fitting length is uncontrollable and procedure is complicated, complicated, the problem that process velocity is slow, proposes a kind of high accuracy horn mouth pipe fitting forming frock.
For solving above technical problem, technical scheme provided by the invention is:
A kind of high accuracy horn mouth pipe fitting forming frock, it is characterized in that, comprise body, body divides body upper end, body middle-end and body lower end, body upper end is necking end, and body middle-end is changeover portion, and body lower end is flared end, described necking end comprises the reducing of hollow cylinder and the reducing circular arc of open circles taper, and described flared end comprises the enlarging of hollow cylinder and the enlarging circular arc of open circles taper, the length of body upper end is D1, the length of body middle-end is D2, the length of body lower end is D3, the length of body upper end, the ratio of the length of body middle-end and the length of body lower end is 1:1.97:1.82, the external diameter of described body upper end is R1, the external diameter of body middle-end is R2, the external diameter of body lower end is R3, the external diameter of body upper end, the ratio of the external diameter of body middle-end and the external diameter of body lower end is 1:1.07:1.28, described body upper end and body central axis be angle be α, °-25 °, described α=18, described body lower end and body central axis be angle be β, °-25 °, described β=19.
A kind of high accuracy horn mouth pipe fitting forming frock, its work flow comprises reducing operation and enlarging operation, more normally used numerical control reducing mode is compared, reducing mode of the present invention is stamping necking, combine the technical characterstic of stamping necking, not only the precision of pipe fitting also improves greatly, product quality gets a promotion, significantly reduce process time simultaneously, decrease the cost of configuration multiple stage necking machine, improve the operating efficiency of flow process, body upper end, the ratio that the external diameter of middle-end and lower end is, effectively can ensure the exhaust performance after pipe fitting installation, body upper end simultaneously, the ratio that the length of middle-end and lower end is, can effectively ensure pipe fitting install after firm, reach the effect of better damping noise reduction.
A kind of high accuracy horn mouth pipe fitting forming frock, its beneficial effect is:
The present invention adds man-hour, the stamping necking mode adopted, not only greatly reduce the process time of pipe fitting, and in conjunction with the technical characterstic of stamping necking, effectively raise the precision of reducing, improve product quality, the minimizing of process time simultaneously, not only the process velocity of pipe fitting and efficiency are improved, and also save and purchase more than one piece reducing device and the cost produced, also reduce cost of labor, also reduce the loss of the energy simultaneously, body upper end, the ratio that the external diameter of middle-end and lower end is, effectively can ensure the exhaust performance after pipe fitting installation, body upper end simultaneously, the ratio that the length of middle-end and lower end is, can effectively ensure pipe fitting install after firm, reach the effect of better damping noise reduction.
Accompanying drawing explanation
Fig. 1 structure chart of the present invention.
Fig. 2 sectional view 1 of the present invention.
Fig. 3 sectional view 2 of the present invention.
Detailed description of the invention
A kind of high accuracy horn mouth pipe fitting forming frock, it is characterized in that, comprise body 1, body 1 point of body upper end 11, body middle-end 12 and body lower end 13, body upper end 11 is necking end 2, and body middle-end 12 is changeover portion 3, and body lower end 13 is flared end 4, described necking end 2 comprises the reducing 21 of hollow cylinder and the reducing circular arc 22 of open circles taper, and described flared end 4 comprises the enlarging 41 of hollow cylinder and the enlarging circular arc 42 of open circles taper, the length of body upper end 11 is D1, the length of body middle-end 12 is D2, the length of body lower end 13 is D3, the length of body upper end 11, the ratio of the length of body middle-end 12 and the length of body lower end 13 is 1:1.97:1.82, the external diameter of described body upper end 11 is R1, the external diameter of body middle-end 12 is R2, the external diameter of body lower end 13 is R3, the external diameter of body upper end 11, the ratio of the external diameter of body middle-end 12 and the external diameter of body lower end 13 is 1:1.07:1.28, described body upper end 11 and body 1 central axis be angle be α, °-25 °, described α=18, described body lower end 13 and body 1 central axis be angle be β, °-25 °, described β=19.
A kind of high accuracy horn mouth pipe fitting forming frock, its work flow comprises reducing operation and enlarging operation, more normally used numerical control reducing mode is compared, reducing mode of the present invention is stamping necking, the technical characterstic of stamping necking is, the effective controlled working precision of energy, process time is short simultaneously, one-shot forming.
A kind of high accuracy horn mouth pipe fitting forming frock, it adds man-hour, the stamping necking mode adopted, not only greatly reduce the process time of pipe fitting, and in conjunction with the technical characterstic of stamping necking, effectively raise the precision of reducing, improve product quality, the minimizing of process time simultaneously, not only the process velocity of pipe fitting and efficiency are improved, and also save and purchase more than one piece reducing device and the cost produced, also reduce cost of labor, also reduce the loss of the energy simultaneously, body upper end, the ratio that the external diameter of middle-end and lower end is, effectively can ensure the exhaust performance after pipe fitting installation, body upper end simultaneously, the ratio that the length of middle-end and lower end is, can effectively ensure pipe fitting install after firm, reach the effect of better damping noise reduction.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (5)
1. a high accuracy horn mouth pipe fitting forming frock, it is characterized in that, comprise body, body divides body upper end, body middle-end and body lower end, body upper end is necking end, body middle-end is changeover portion, body lower end is flared end, described necking end comprises the reducing of hollow cylinder and the reducing circular arc of open circles taper, described flared end comprises the enlarging of hollow cylinder and the enlarging circular arc of open circles taper, the length of body upper end is D1, the length of body middle-end is D2, the length of body lower end is D3, the external diameter of described body upper end is R1, the external diameter of body middle-end is R2, the external diameter of body lower end is R3, described body upper end and body central axis be angle be α, described body lower end and body central axis be angle be β.
2. a kind of high accuracy horn mouth pipe fitting forming frock as claimed in claim 1, it is characterized in that, the ratio of the length D3 of the length D1 of described body upper end, the length D2 of body middle-end and body lower end is 1:1.97:1.82.
3. a kind of high accuracy horn mouth pipe fitting forming frock as claimed in claim 1, it is characterized in that, the ratio of the external diameter R3 of the external diameter R1 of described body upper end, the external diameter R2 of body middle-end and body lower end is 1:1.07:1.28.
4. a kind of high accuracy horn mouth pipe fitting forming frock as claimed in claim 1, is characterized in that, body upper end and body central axis L-L be °-25 °, angle α=18.
5. a kind of high accuracy horn mouth pipe fitting forming frock as claimed in claim 1, is characterized in that, body lower end and body central axis L-L be °-25 °, angle β=19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557402.1A CN104492987A (en) | 2014-10-21 | 2014-10-21 | High-precision flared fitting forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557402.1A CN104492987A (en) | 2014-10-21 | 2014-10-21 | High-precision flared fitting forming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104492987A true CN104492987A (en) | 2015-04-08 |
Family
ID=52934487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410557402.1A Pending CN104492987A (en) | 2014-10-21 | 2014-10-21 | High-precision flared fitting forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104492987A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344813A (en) * | 2015-11-13 | 2016-02-24 | 重庆市迈鸿食品有限公司 | Integrated die |
| CN107442632A (en) * | 2017-09-11 | 2017-12-08 | 宁国隆世金属制品有限公司 | A kind of exhaust tail pipe of automobile extrusion formation equipment |
| CN109909388A (en) * | 2018-12-18 | 2019-06-21 | 广东龙丰精密铜管有限公司 | A kind of reduced copper capillary tube or pipe fitting high-efficiency high-accuracy processing tool and processing technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2129921A1 (en) * | 1971-03-22 | 1972-11-03 | Besson Louis | |
| CN1886210A (en) * | 2003-11-28 | 2006-12-27 | 威齐格及弗兰克有限责任公司 | Method for producing a coupling on a pipe and device for producing said coupling |
| CN101869948A (en) * | 2010-06-02 | 2010-10-27 | 无锡新得宝金属软管有限公司 | Horn mouth expansion machine |
| CN204234602U (en) * | 2014-10-21 | 2015-04-01 | 镇江利奥排气技术有限公司 | A kind of high accuracy horn mouth pipe fitting forming frock |
-
2014
- 2014-10-21 CN CN201410557402.1A patent/CN104492987A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2129921A1 (en) * | 1971-03-22 | 1972-11-03 | Besson Louis | |
| CN1886210A (en) * | 2003-11-28 | 2006-12-27 | 威齐格及弗兰克有限责任公司 | Method for producing a coupling on a pipe and device for producing said coupling |
| CN101869948A (en) * | 2010-06-02 | 2010-10-27 | 无锡新得宝金属软管有限公司 | Horn mouth expansion machine |
| CN204234602U (en) * | 2014-10-21 | 2015-04-01 | 镇江利奥排气技术有限公司 | A kind of high accuracy horn mouth pipe fitting forming frock |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344813A (en) * | 2015-11-13 | 2016-02-24 | 重庆市迈鸿食品有限公司 | Integrated die |
| CN107442632A (en) * | 2017-09-11 | 2017-12-08 | 宁国隆世金属制品有限公司 | A kind of exhaust tail pipe of automobile extrusion formation equipment |
| CN107442632B (en) * | 2017-09-11 | 2022-09-27 | 宁国隆世金属制品有限公司 | Extrusion forming equipment for automobile tail pipe |
| CN109909388A (en) * | 2018-12-18 | 2019-06-21 | 广东龙丰精密铜管有限公司 | A kind of reduced copper capillary tube or pipe fitting high-efficiency high-accuracy processing tool and processing technology |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |