CN204234602U - A kind of high accuracy horn mouth pipe fitting forming frock - Google Patents
A kind of high accuracy horn mouth pipe fitting forming frock Download PDFInfo
- Publication number
- CN204234602U CN204234602U CN201420605679.2U CN201420605679U CN204234602U CN 204234602 U CN204234602 U CN 204234602U CN 201420605679 U CN201420605679 U CN 201420605679U CN 204234602 U CN204234602 U CN 204234602U
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- horn mouth
- high accuracy
- necking
- reducing
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- Expired - Fee Related
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Abstract
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, body middle-end is changeover portion, body lower end is flared end, necking end comprises reducing and reducing circular arc, flared end comprises enlarging and enlarging circular arc, pipe fitting 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.
Description
Technical field
The utility model 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.
Utility model content
The utility model 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, the technical scheme that the utility model provides 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 utility model 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 utility model 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 the utility model structure chart.
Fig. 2 the utility model sectional view 1.
Fig. 3 the utility model sectional view 2.
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 utility model 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 utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model 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 |
|---|---|---|---|
| CN201420605679.2U CN204234602U (en) | 2014-10-21 | 2014-10-21 | A kind of high accuracy horn mouth pipe fitting forming frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605679.2U CN204234602U (en) | 2014-10-21 | 2014-10-21 | A kind of high accuracy horn mouth pipe fitting forming frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204234602U true CN204234602U (en) | 2015-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420605679.2U Expired - Fee Related CN204234602U (en) | 2014-10-21 | 2014-10-21 | A kind of high accuracy horn mouth pipe fitting forming frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204234602U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492987A (en) * | 2014-10-21 | 2015-04-08 | 镇江利奥排气技术有限公司 | High-precision flared fitting forming tool |
| CN112427559A (en) * | 2020-10-22 | 2021-03-02 | 浙江美联智能科技有限公司 | Method for forming ingot cover of covered spindle |
-
2014
- 2014-10-21 CN CN201420605679.2U patent/CN204234602U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492987A (en) * | 2014-10-21 | 2015-04-08 | 镇江利奥排气技术有限公司 | High-precision flared fitting forming tool |
| CN112427559A (en) * | 2020-10-22 | 2021-03-02 | 浙江美联智能科技有限公司 | Method for forming ingot cover of covered spindle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20181021 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |