CN202715726U - Sagging forming mold of T-shaped section bar - Google Patents
Sagging forming mold of T-shaped section bar Download PDFInfo
- Publication number
- CN202715726U CN202715726U CN 201220375803 CN201220375803U CN202715726U CN 202715726 U CN202715726 U CN 202715726U CN 201220375803 CN201220375803 CN 201220375803 CN 201220375803 U CN201220375803 U CN 201220375803U CN 202715726 U CN202715726 U CN 202715726U
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- mould
- shaped material
- counterdie
- sagging
- patrix
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Abstract
The utility model discloses a sagging forming mold of a T-shaped section bar. The sagging forming mold comprises an upper mold (1) and a lower mold (2). A working surface of the upper mold (1) is made into a molded surface matched with an ultimate edge strip molded surface of the T-shaped section bar which needs sagging forming. A working surface of the lower mold (2) is made into a molded surface matched with the working surface of the upper mold (1). The lower mold (2) is provided with a groove containing a web plate (12) and vertical to the working surface of the lower mold (2). A protrusion portion (8) protruding upwards is made on the bottom face of the groove corresponding to a bent portion of the molded surface on the working surface of the lower mold (2). In forming, the protrusion portion (8) is matched with the upper mold (1) to enable the bent portion of the T-shaped section bar to be under the pressure stress action, materials in a difficult deformation area do not easily crack in tension or wrinkle, plastic deformation amount of the materials in the difficult deformation area is increased, and therefore the depth and width of a sagging pit are small and within an allowed value, and a T-shaped section bar part in sagging forming is qualified.
Description
Technical field
The utility model relates to a kind of sagging mould with the T-shaped material in T-shaped cross section, relates in particular to the sagging mould of the aluminum alloy T section bar with T-shaped cross section.
Background technology
Sheet metal or section bar, along rolling over certain distance under the bending line, being called sink is shaped, T-shaped material has an edge strip and perpendicular to the web of edge strip, general this T-shaped material with T-shaped cross section adopts to sink in the mould that sink and is shaped, described sagging mould comprises upper die and lower die, described patrix is fixed on the cope match-plate pattern, the working face of described patrix is made the corresponding profile of the final profile of T-shaped material of sinking and being shaped with needs, described counterdie is fixed on the die shoe, the working face of described counterdie is made and the corresponding profile of the working face of patrix, and has the groove that holds web perpendicular to the working face of described counterdie at described counterdie.After T-shaped material is shaped in above-mentioned sagging mould, generally can form the stagnant zone and Collapse Pit occur at the bending part of tension stress and with edge strip face that web crosses, the degree of depth of Collapse Pit and also often cracking at the Collapse Pit periphery when the transverse width dimension of T-shaped material cross section surpasses permissible value causes the T-shaped material part that is shaped defective.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of degree of depth of Collapse Pit and the sagging mould of the T-shaped material that do not crack along the transverse width dimension of T-shaped material cross section in allowed band and at the Collapse Pit periphery.
For solving the problems of the technologies described above, the sagging mould of T-shaped material of the present utility model comprises upper die and lower die, described patrix is fixed on the cope match-plate pattern, the working face of described patrix is made the corresponding profile of the final edge strip profile of T-shaped material of sinking and being shaped with needs, described counterdie is fixed on the die shoe, the working face of described counterdie is made and the corresponding profile of the working face of patrix, and have the groove that holds web perpendicular to the working face of described counterdie at described counterdie, it is characterized in that, make the lug boss that raises up corresponding to the profile bending part bit position on the working face of counterdie on the described groove floor, when T-shaped material to be formed is placed on the described counterdie and T-shaped material web when placing in the described groove, the peak of described lug boss contacts with T-shaped material web.
Described counterdie is comprised of lower-left mould and bottom right mould, between described lower-left mould and bottom right mould, be provided with backing plate, described lower-left mould, bottom right mould and backing plate are fixed together and are connected on the die shoe, the side that described lower-left mould is relative with the bottom right mould and the end face of backing plate surround the groove that holds web, described lug boss is arranged on the end face of backing plate corresponding to the position of the profile bending part on the working face of counterdie, when T-shaped material to be formed was placed in the described groove, the peak of described lug boss contacted with T-shaped material web.
Described counterdie both sides have the gathering sill of guiding usefulness, the corresponding guide pad that can slide that is equipped with in described patrix both sides in described gathering sill.
Described lower-left mould and both sides, bottom right mould two outside have the gathering sill of guiding usefulness, the corresponding guide pad that can slide that is equipped with in described patrix both sides in described gathering sill.
When described guide pad rises to upper limit position at patrix with the installation lathe, do not deviate from gathering sill.
The profile of the working face of described upper die and lower die is by the actual springback capacity increase and decrease in each position molding surface size.
In that be provided with perpendicular to the described lower-left mould side relative with the bottom right mould and the part that surrounds groove can be with lower-left mould and tight stretching screw or the turnbuckle of bottom right die drawing, the installation site of described stretching screw or turnbuckle is positioned at the web of T-shaped material outside the zone that described groove occupies.
The utility model has following good effect than prior art, the sagging mould of T-shaped material of the present utility model is owing to be provided with lug boss in groove floor or the backing plate end face that crosses groove floor, and the position of lug boss is corresponding to the profile bending part bit position on the working face of counterdie, when T-shaped material to be formed is placed in the described groove, the peak of described lug boss contacts with T-shaped material web, after the beginning that is shaped, lug boss cooperates with the patrix working surface makes T-shaped material bending part be subject to action of compressive stress, therefore improved the material force-bearing situation of stagnant zone, material is difficult for drawing crack or wrinkling, can to increase the flow of material momentum of stagnant zone be the plastic deformation amount to jut in addition, therefore the Collapse Pit degree of depth and the width dimensions of stagnant zone appearance are less, in the permissible value scope, the T-shaped material part that making sink is shaped is qualified.
Description of drawings
Below in conjunction with accompanying drawing specific embodiment of the utility model is described in further detail.
Fig. 1 is a kind of schematic diagram of T-shaped material part.
Fig. 2 is the schematic diagram of an embodiment of the sagging mould of T-shaped material of the present utility model.
Fig. 3 is the partial schematic diagram of the left view of Fig. 2.
Fig. 4 is the schematic diagram of another embodiment of the sagging mould of T-shaped material of the present utility model.
Fig. 5 is the backing plate schematic diagram of another embodiment of the sagging mould of T-shaped material of the present utility model.
The specific embodiment
Fig. 1 is a kind of schematic diagram of T-shaped material part, T-shaped material has an edge strip 11 and perpendicular to the web 12 of edge strip, section bar is along rolling over certain distance under the bending line, being called sink is shaped, general this T-shaped material with T-shaped cross section adopts to sink in the mould that sink and is shaped, after T-shaped material is shaped in the mould that sink, generally can form the stagnant zone and Collapse Pit occur at the bending part of tension stress and with 11 of edge strips that web 12 crosses, general processing specification has been stipulated the permissible value that subsides, also often crack at the Collapse Pit periphery when the degree of depth of Collapse Pit with when the transverse width dimension of T-shaped material cross section surpasses permissible value, cause the T-shaped material part that is shaped defective.
Fig. 2 and Fig. 3 are the schematic diagrames of an embodiment of the sagging mould of T-shaped material of the present utility model, the sagging mould of T-shaped material comprises patrix 1 and counterdie 2, described patrix 1 is fixed on cope match-plate pattern 7(referring to Fig. 4) on, the working face of described patrix 1 is made the corresponding profile of the final edge strip profile of T-shaped material of sinking and being shaped with needs, described counterdie 2 is fixed on the die shoe 3, the working face of described counterdie 2 is made and the corresponding profile of the working face of patrix 1, and have the groove that holds web 12 perpendicular to the working face of described counterdie 2 at described counterdie 2, it is characterized in that, make the lug boss 8 that raises up corresponding to the profile bending part bit position on the working face of counterdie 2 on the described groove floor, when T-shaped material to be formed is placed on the described counterdie 2 and T-shaped material web 12 when placing in the described groove, the peak of described lug boss 8 contacts with T-shaped material web 12.
As a kind of improvement, described counterdie 2 both sides have the gathering sill 5 of guiding usefulness, and corresponding being equipped with in described patrix 1 both sides can be at the guide pad 4 of described gathering sill 5 interior slips.
Further, when described guide pad 4 rises to upper limit position at patrix 1 with the installation lathe, do not deviate from gathering sill 5, guide effect is better like this.
The profile of the working face of described patrix 1 and counterdie 2 is by the actual springback capacity increase and decrease in each position molding surface size, thus the resilience of compensation edge strip.
Fig. 4 and Fig. 5 are the schematic diagrames of another embodiment of the sagging mould of T-shaped material of the present utility model, described counterdie 2 is comprised of lower-left mould 21 and bottom right mould 22, between described lower-left mould 21 and bottom right mould 22, be provided with backing plate 6, described lower-left mould 21, bottom right mould 22 and backing plate 6 are fixed together and are connected on the die shoe 3, the side that described lower-left mould 21 and bottom right mould 22 are relative and the end face of backing plate 6 surround the groove that holds web, described lug boss 8 is arranged on the end face of backing plate 6 corresponding to the position of the profile bending part on the working face of counterdie 2, when T-shaped material to be formed was placed in the described groove, the peak of described lug boss 8 contacted with T-shaped material web 12.
As a kind of improvement, both sides, 22 liang of outsides of described lower-left mould 21 and bottom right mould have the gathering sill 5 of guiding usefulness, and corresponding being equipped with in described patrix 1 both sides can be at the guide pad 4 of described gathering sill 5 interior slips.
Further, when described guide pad 4 rises to upper limit position at patrix 1 with the installation lathe, do not deviate from gathering sill 5, guide effect is better like this.
The profile of the working face of described patrix 1 and counterdie 2 is by the actual springback capacity increase and decrease in each position molding surface size, thus the resilience of compensation edge strip.
In that be provided with perpendicular to the relative side of described lower-left mould 21 and bottom right mould 22 and the part that surrounds groove can be with stretching screw or the turnbuckle of lower-left mould 21 and 22 tensions of bottom right mould, the installation site of described stretching screw or turnbuckle is positioned at the web 12 of T-shaped material outside the zone that described groove occupies, and it is crooked to make like this part web 12 avoid occurring the side direction unstability in the shaping.
Parts employing screw and pin among the above-mentioned mould embodiment are fastening.
Claims (8)
1. the sagging mould of T-shaped material comprises patrix (1) and counterdie (2), described patrix (1) is fixed on the cope match-plate pattern (7), the working face of described patrix (1) is made the corresponding profile of the final edge strip profile of T-shaped material of sinking and being shaped with needs, described counterdie (2) is fixed on the die shoe (3), the working face of described counterdie (2) is made the corresponding profile of working face with patrix (1), and have the groove that holds web (12) perpendicular to the working face of described counterdie (2) at described counterdie (2), it is characterized in that, make the lug boss (8) that raises up corresponding to the profile bending part bit position on the working face of counterdie (2) on the described groove floor, when T-shaped material to be formed was placed on the upper and T-shaped material web (12) of described counterdie (2) and places in the described groove, the peak of described lug boss (8) contacted with T-shaped material web (12).
2. the sagging mould of T-shaped material according to claim 1, it is characterized in that: described counterdie (2) both sides have the gathering sill (5) of guiding usefulness, the corresponding guide pad (4) that can slide that is equipped with in described patrix (1) both sides in described gathering sill (5).
3. the sagging mould of T-shaped material according to claim 2 is characterized in that: when described guide pad (4) rises to upper limit position at patrix (1) with the installation lathe, do not deviate from gathering sill (5).
4. the sagging mould of a kind of T-shaped material according to claim 1, it is characterized in that: described counterdie (2) is comprised of lower-left mould (21) and bottom right mould (22), between described lower-left mould (21) and bottom right mould (22), be provided with backing plate (6), described lower-left mould (21), bottom right mould (22) and backing plate (6) are fixed together and are connected on the die shoe (3), the side that described lower-left mould (21) is relative with bottom right mould (22) and the end face of backing plate (6) surround the groove that holds web, described lug boss (8) is arranged on the end face of backing plate (6) corresponding to the position of the profile bending part on the working face of counterdie (2), when T-shaped material to be formed was placed in the described groove, the peak of described lug boss (8) contacted with T-shaped material web (12).
5. the sagging mould of T-shaped material according to claim 4, it is characterized in that: described lower-left mould (21) and both sides, bottom right mould (22) two outside have the gathering sill of guiding usefulness, the corresponding guide pad (4) that can slide that is equipped with in described patrix (1) both sides in described gathering sill (5).
6. the sagging mould of T-shaped material according to claim 5 is characterized in that: when described guide pad (4) rises to upper limit position at patrix (1) with the installation lathe, do not deviate from gathering sill (5).
7. it is characterized in that according to claim 1 or the sagging mould of 4 described T-shaped materials: the profile of the working face of described patrix (1) and counterdie (2) increases and decreases molding surface size by the actual springback capacity in each position.
8. according to claim 4, the sagging mould of 5 or 6 arbitrary described T-shaped materials, it is characterized in that, in that be provided with perpendicular to described lower-left mould (21) side relative with bottom right mould (22) and the part that surrounds groove can be with stretching screw or the turnbuckle of lower-left mould (21) and bottom right mould (22) tension, the installation site of described stretching screw or turnbuckle is positioned at the web of T-shaped material (12) outside the zone that described groove occupies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220375803 CN202715726U (en) | 2012-08-01 | 2012-08-01 | Sagging forming mold of T-shaped section bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220375803 CN202715726U (en) | 2012-08-01 | 2012-08-01 | Sagging forming mold of T-shaped section bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202715726U true CN202715726U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220375803 Expired - Lifetime CN202715726U (en) | 2012-08-01 | 2012-08-01 | Sagging forming mold of T-shaped section bar |
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| CN (1) | CN202715726U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447677A (en) * | 2013-09-12 | 2013-12-18 | 浙江海洋学院 | Method for preventing deformation of marine T-shaped material |
| CN103639297A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Hot pressing sinking die |
| CN104889258A (en) * | 2015-06-19 | 2015-09-09 | 江西洪都航空工业集团有限责任公司 | Universal profile heating sinking die |
| CN105667867A (en) * | 2016-01-12 | 2016-06-15 | 大连富地重工机械制造有限公司 | Split lower cutter body of buckle-free steel strip strapping machine |
| CN105728529A (en) * | 2014-12-12 | 2016-07-06 | 中国航空工业集团公司北京航空材料研究院 | Sinking slow-speed cold forming method of Z-section high-strength aluminum alloy profile |
| CN105945146A (en) * | 2016-05-05 | 2016-09-21 | 中国商用飞机有限责任公司 | Forming mold and method for aluminum alloy profile |
| CN106424359A (en) * | 2016-10-14 | 2017-02-22 | 福州大学 | Double-base type V-shaped and T-shaped synchronous mold bending structure and working method |
| CN106890898A (en) * | 2017-03-23 | 2017-06-27 | 西安飞机工业（集团）有限责任公司 | The bending and forming method and Bending Mould of a kind of fourth hook material part |
| CN113510187A (en) * | 2021-04-29 | 2021-10-19 | 中国航发北京航空材料研究院 | Method and device for improving sinking forming quality of metal thin-wall section |
-
2012
- 2012-08-01 CN CN 201220375803 patent/CN202715726U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447677B (en) * | 2013-09-12 | 2015-12-02 | 浙江海洋学院 | The anti-deformation method of a kind of factory ship T profile |
| CN103447677A (en) * | 2013-09-12 | 2013-12-18 | 浙江海洋学院 | Method for preventing deformation of marine T-shaped material |
| CN103639297A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Hot pressing sinking die |
| CN105728529A (en) * | 2014-12-12 | 2016-07-06 | 中国航空工业集团公司北京航空材料研究院 | Sinking slow-speed cold forming method of Z-section high-strength aluminum alloy profile |
| CN104889258A (en) * | 2015-06-19 | 2015-09-09 | 江西洪都航空工业集团有限责任公司 | Universal profile heating sinking die |
| CN105667867B (en) * | 2016-01-12 | 2018-12-25 | 大连富地重工机械制造有限公司 | A kind of split type lower knife body of binding machine with buckling-free steel belt |
| CN105667867A (en) * | 2016-01-12 | 2016-06-15 | 大连富地重工机械制造有限公司 | Split lower cutter body of buckle-free steel strip strapping machine |
| US10640245B2 (en) | 2016-01-12 | 2020-05-05 | Dalian Field Heavy-Machinery Manufacturing Co., Ltd. | Separatable lower mold of steel strapping machine without using joint |
| CN105945146A (en) * | 2016-05-05 | 2016-09-21 | 中国商用飞机有限责任公司 | Forming mold and method for aluminum alloy profile |
| CN106424359A (en) * | 2016-10-14 | 2017-02-22 | 福州大学 | Double-base type V-shaped and T-shaped synchronous mold bending structure and working method |
| CN106890898A (en) * | 2017-03-23 | 2017-06-27 | 西安飞机工业（集团）有限责任公司 | The bending and forming method and Bending Mould of a kind of fourth hook material part |
| CN113510187A (en) * | 2021-04-29 | 2021-10-19 | 中国航发北京航空材料研究院 | Method and device for improving sinking forming quality of metal thin-wall section |
| CN113510187B (en) * | 2021-04-29 | 2023-06-23 | 中国航发北京航空材料研究院 | Method and device for improving sinking forming quality of metal thin-wall section |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |