CN211464429U - Rectangular pipe manufacturing die - Google Patents
Rectangular pipe manufacturing die Download PDFInfo
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- CN211464429U CN211464429U CN201922191469.9U CN201922191469U CN211464429U CN 211464429 U CN211464429 U CN 211464429U CN 201922191469 U CN201922191469 U CN 201922191469U CN 211464429 U CN211464429 U CN 211464429U
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Abstract
The invention relates to the technical field of rectangular pipe manufacturing, in particular to a rectangular pipe manufacturing die. The technical scheme adopted by the invention is as follows: rectangular pipe preparation mould, including one-level mould and second grade mould, the one-level mould includes that the hem goes up mould and hem lower mould, and the middle part downside of going up the mould on the hem is the hem terrace die, and the length direction edge of hem terrace die is the circular arc edge, and the middle part of hem lower mould is gone up the side and is the hem die cavity, and the length direction top edge of hem die cavity is the circular arc edge, and the length direction both sides of hem die cavity are equipped with the width locating piece, and the shape and size cooperation between hem terrace die and the hem die cavity. The utility model has the advantages that: the sheet material is processed into the rectangular square tube in a sheet metal extrusion mode, the standard rectangular square tube can be formed only by folding the sheet metal twice, and the processing speed is high; due to the adoption of die extrusion, the rectangular square tube has high dimensional accuracy.
Description
Technical Field
The invention relates to the technical field of rectangular pipe manufacturing, in particular to a rectangular pipe manufacturing die.
Background
The current processing method of rectangular metal pipes is to first roll the sheet metal and then change the sheet metal from a round to a rectangular pipe by mechanical extrusion. Extrusion into a circular tube and then into a rectangular tube is a common processing method for obtaining rectangular tubes at present. The processing is generally carried out by installing a bending tool on a press machine or bending and forming the metal plate for multiple times through a numerical control bending machine. And the bending is performed for many times, the shape and size precision is difficult to control, the efficiency is low, and the like.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rectangular tube manufacturing die, which solves the problems of multiple processing procedures and inaccurate size caused by firstly rolling and then pressing a square tube.
In order to achieve the purpose, the invention adopts the technical scheme that:
the rectangular pipe manufacturing die comprises a primary die and a secondary die, wherein the primary die comprises a flanging upper die and a flanging lower die, the lower side surface of the middle part of the flanging upper die is a flanging male die, the edge of the flanging male die in the length direction is an arc edge, the upper side surface of the middle part of the flanging lower die is a flanging female die groove, the edge of the top of the flanging female die groove in the length direction is an arc edge, width positioning blocks are arranged on two sides of the flanging female die groove in the length direction, and the flanging male die and the flanging female die groove are matched in shape and size;
second grade mould is including mould and shaping lower mould in the shaping, the lower part of mould is equipped with horizontal shaping square column on the shaping, the shaping square column is rectangular column, the cross sectional dimension of shaping square column is the rectangular pipe internal diameter size of waiting to process, shaping square column one end is fixed in mould one end on the shaping, the shaping terrace die other end is equipped with can dismantle the mounting, the side middle part of going up of shaping lower mould is equipped with the shaping die cavity, the top edge of shaping die cavity is the circular arc edge, the width of shaping die cavity is for waiting the rectangular pipe external diameter width or the thickness of processing, the side edge of going up of shaping lower mould is equipped with the shaping locating piece.
Preferably, the upper flanging die further comprises an upper flanging die holder, a flanging male die is arranged on the lower side surface of the upper flanging die holder and consists of two parts, a reinforcing plate is arranged between the two flanging male dies, the flanging male die and the reinforcing plate are fixed on the upper flanging die holder through screws, and the upper flanging die holder is fixed on a press machine.
Preferably, the lower flanging die comprises a lower flanging die holder, a top plate is arranged in the middle of the upper side face of the lower flanging die holder, two parting flanging dies are arranged on two sides of the top plate, a flanging die groove is formed by the parting flanging dies and the top plate, width positioning blocks are respectively arranged at the edge positions of the upper side face of the parting flanging dies, and the width between the two width positioning blocks is equal to the width of the metal plate to be flanged.
Preferably, reinforcing blocks are arranged on two sides of the parting and folding female die and used for fixing the width between the parting and folding female dies.
Preferably, a flanging top plate hole is formed in the flanging lower die seat, the flanging top plate hole penetrates through the ejector rod to eject the top plate, and the top plate ejects the flanged metal plate from the flanging female die groove.
Preferably, the upper forming die further comprises an upper forming die base, the right side of the lower side face of the upper forming die base is fixedly connected with the right end of the forming square column through a right connecting base, a left connecting base is arranged on the left side of the lower side face of the upper forming die base, connecting grooves are respectively formed in the side faces of the left connecting base and the forming square column, the side face of the sliding block is fixedly connected between the left connecting base and the forming square column in a protruding embedding connecting groove, and the upper forming die base is fixed on a press machine.
Further preferred, the shaping lower mould is including still shaping die holder, sets up the shaping roof in the middle of the side of going up of shaping die holder, and shaping roof both sides are two shaping female modules, and two shaping female module and roof constitute shaping die cavity, and two shaping female module outsides are equipped with the shaping reinforcing block, and on the shaping reinforcing block was fixed in the shaping die holder, shaping reinforcing block top set up the support frame, and the side of going up of support frame and the side of going up of the concave module of shaping are in the coplanar, and the edge of support frame sets up the shaping locating piece.
Further preferably, a forming top plate hole is formed in the forming lower die base, the blanking top plate hole penetrates through the ejector rod to eject the top plate, and the top plate ejects the formed metal rectangular square pipe from the forming female die groove.
The utility model has the advantages that: the sheet material is processed into the rectangular square tube in a sheet metal extrusion mode, the standard rectangular square tube can be formed only by folding the sheet metal twice, and the processing speed is high;
due to the adoption of die extrusion, the rectangular square tube has high dimensional accuracy.
Drawings
Figure 1 is a cross-sectional cut-away view of a primary die of the present invention,
figure 2 is a top view of the primary mold of the present invention,
FIG. 3 is a longitudinal sectional view of the second stage mold of the present invention,
fig. 4 is a cross-sectional cut-away view of the secondary die of the present invention.
Reference numerals: 1. the upper die holder of the hem, 2, a reinforcing plate, 3, a hem male die, 4, a width positioning block, 5, a hem female die groove, 6, a hem top plate, 7, a hem lower die holder, 8, a hem reinforcing block, 9 parting hem female dies, 10 hem top plate holes, 11 and a forming upper die holder; 12. forming a square column; 13. a right connecting seat; 14. a slider; 15. a left connecting seat; 16. a support frame; 17. forming a reinforcing block; 18. forming a female die block; 19. forming a top plate; 20. forming a lower die holder; 21. and (6) forming a positioning block.
Detailed Description
The following is a detailed description of the present invention:
the utility model discloses rectangular pipe preparation mould, including one-level mould and second grade mould. And the first-stage die folds two folded edges of the plate, and the sum of the widths of the two folded edges is the width of the rectangular pipe. The second-stage mould pressing is used for forming a square pipe, and the middle pressing width of the second-stage mould is the width of the rectangular pipe.
The structure of the primary mode and the secondary mode is explained,
the one-level mould includes mould and hem lower mould on the hem, and mould includes hem upper die base 1 on the hem, and hem terrace die 3 is established to the middle part downside of hem upper die base 1, and hem terrace die 3 comprises two parts, and the centre of two hem terrace dies 3 is gusset plate 2, and hem terrace die 3 and gusset plate 2 pass through the fix with screw on hem upper die base 1, and the length direction edge of hem terrace die 3 is the circular arc edge.
The upper side surface of the middle part of the flanging lower die is provided with a flanging female die groove 5, the top edge of the length direction of the flanging female die groove 5 is an arc edge, width positioning blocks 4 are arranged on two sides of the length direction of the flanging female die groove 5, and the flanging male die 3 and the flanging female die groove 5 are matched in shape and size. The arc edge of the flanging female die groove 5 can be replaced by a roll shaft, and two ends of the roll shaft are hinged to the flanging female die groove 5. The roll shaft can realize rolling contact with the panel beating when hem terrace die 3 extrudees the panel beating, avoids direct frictional contact, avoids the wearing and tearing at circular arc edge, also can improve the shaping quality of panel beating extrusion position.
The concrete structure of one-level mould is explained in implementation, the hem lower mould includes still hem lower bolster 7, sets up the roof in the middle of the last side of hem lower bolster 7, and the roof both sides are bipartition type hem die 9, and bipartition type hem die 9 and roof constitute hem die cavity 5, and the last side border position of bipartition type hem die 9 sets up width locating piece 4 respectively, and the width equals the metal sheet width of treating the hem between two width locating pieces 4.
Reinforcing blocks are arranged on two sides of the parting folding female dies 9 and used for fixing the width between the two parting folding female dies 9.
And a flanging top plate hole 10 is formed in the flanging lower die seat 7, the top plate penetrates through the ejector rod in the flanging top plate hole 10 to be ejected out, and the metal plate after flanging is ejected out of the flanging concave die groove 5 by the top plate.
The flanging upper die is fixedly connected with the working end of the press, the flanging lower die is fixedly connected with the working table of the press, and the raw material metal plate is placed in the width positioning block 4 of the flanging female die groove 5. The press works, the working end of the press drives the flanging upper die to be pressed downwards, the flanging upper die and the flanging lower die bend raw material metal plates into a U-shaped plate, the working end of the press retracts to drive the flanging upper die to return to an original position, the top plate 6 is upwards jacked under the action of the spring mechanism or the hydraulic mechanism, and the U-shaped plate after being bent is pushed out of the flanging female die groove 5.
Second grade mould is including shaping mould and shaping lower mould, the lower part of mould is equipped with horizontal shaping square column 12 on the shaping, shaping square column 12 is rectangular column, the cross sectional dimension of shaping square column 12 is for the rectangular pipe internal diameter size of treating the processing, shaping square column 12 one end is fixed in shaping mould one end, the shaping terrace die other end is equipped with can dismantle the mounting, the side middle part of going up of shaping lower mould is equipped with the shaping die cavity, the top edge of shaping die cavity is the circular arc edge, the width of shaping die cavity is for the rectangular pipe external diameter width or the thickness of treating the processing, the side edge of going up of shaping lower mould is equipped with shaping locating piece 21.
The concrete structure of second grade mould is implemented and is explained, mould still includes shaping upper die base 11 on the shaping, and shaping upper die base 11 downside right side is fixed with shaping square column 12 right side through right connecting seat 13 and is linked to each other, and 11 downside left sides on the shaping upper die base are equipped with left connecting seat 15, and the side of left connecting seat 15 and shaping square column 12 is equipped with connecting grooves respectively, and the side of sliding block 14 is established even protruding embedding connecting grooves in with left connecting seat 15 and shaping square column 12 fixed link to each other within a definite time, and shaping upper die base 11 is fixed in on the press.
The lower forming die comprises a lower forming die holder 20, a forming top plate 19 is arranged in the middle of the upper side face of the lower forming die holder 20, two forming concave die blocks 18 are arranged on two sides of the forming top plate 19, forming concave die grooves are formed by the two forming concave die blocks 18 and the top plate, forming reinforcing blocks 17 are arranged on the outer sides of the two forming concave die blocks 18, the forming reinforcing blocks 17 are fixed on the lower forming die holder 20, a supporting frame 16 is arranged above the forming reinforcing blocks 17, the upper side face of the supporting frame 16 and the upper side face of the forming concave die blocks 18 are located on the same plane, and forming positioning blocks 21 are arranged on the edge of. The upper edge position of the forming cavity block 18 may also be rounded by a roller.
And 19 holes of a forming top plate are formed in the forming lower die holder 20, a blanking top plate hole penetrates through the ejector rod to eject the top plate, and the top plate ejects the formed metal rectangular square pipe out of the forming female die groove.
The upper forming die is fixedly connected with the working end of the press machine, the lower forming die is fixedly connected with the workbench of the press machine, and a workpiece manufactured through one-stage molding is placed between the upper part of the female forming die groove and the forming positioning block 21.
The press work, press work end drive shaping square column 12 pushes down, with the shaping lower mould with raw and other materials panel beating bend into the rectangular pipe, the press work end returns and contracts, drives shaping square column 12 and returns the primary importance, takes off the sliding block, takes out the rectangular pipe from shaping square column 12 left side.
Claims (8)
1. A rectangular pipe manufacturing die is characterized by comprising a primary die and a secondary die, wherein the primary die comprises a flanging upper die and a flanging lower die, the lower side surface of the middle part of the flanging upper die is a flanging male die (3), the length direction edge of the flanging male die (3) is an arc edge, a flanging female die groove (5) is formed in the upper side surface of the middle part of the flanging lower die, the length direction top edge of the flanging female die groove (5) is an arc edge, width positioning blocks (4) are arranged on two sides of the length direction of the flanging female die groove (5), and the flanging male die (3) is matched with the flanging female die groove (5) in shape and size;
second grade mould is including mould and shaping lower mould in the shaping, the lower part of mould is equipped with horizontal shaping square column (12) on the shaping, shaping square column (12) are rectangular column, the cross sectional dimension of shaping square column (12) is for the rectangular pipe internal diameter size of waiting to process, shaping square column (12) one end is fixed in mould one end on the shaping, the shaping terrace die other end is equipped with can dismantle the mounting, the side middle part of going up of shaping lower mould is equipped with the shaping die cavity, the top edge of shaping die cavity is the circular arc edge, the width of shaping die cavity is for waiting the rectangular pipe external diameter width or the thickness of processing, the side edge of going up of shaping lower mould is equipped with shaping locating piece (21).
2. The rectangular tube manufacturing die of claim 1, wherein the upper flanging die further comprises an upper flanging die holder (1), a flanging male die (3) is arranged on the lower side surface of the upper flanging die holder (1), the flanging male die (3) is composed of two parts, a reinforcing plate (2) is arranged in the middle of the two flanging male dies (3), the flanging male die (3) and the reinforcing plate (2) are fixed on the upper flanging die holder (1) through screws, and the upper flanging die holder (1) is fixed on a press machine.
3. The rectangular tube manufacturing mold according to claim 2, wherein the lower flanging die comprises a lower flanging die holder (7), a top plate is arranged in the middle of the upper side of the lower flanging die holder (7), two split flanging dies (9) are arranged on two sides of the top plate, the two split flanging dies (9) and the top plate form a flanging die groove (5), width positioning blocks (4) are respectively arranged at the edge positions of the upper side of the two split flanging dies (9), and the width between the two width positioning blocks (4) is equal to the width of a metal plate to be flanged.
4. A rectangular pipe forming die according to claim 3, wherein reinforcing blocks are provided on both sides of the split flanging dies (9) to fix the width between the split flanging dies (9).
5. The rectangular tube manufacturing die of claim 3, wherein a folded edge top plate hole (10) is formed in the folded edge lower die base (7), the top plate penetrates through the top rod in the folded edge top plate hole (10) to eject the top plate, and the top plate ejects the folded edge metal plate from the folded edge concave die groove (5).
6. The rectangular tube forming die of claim 1, wherein the upper forming die further comprises an upper forming die holder (11), the right side of the lower side of the upper forming die holder (11) is fixedly connected with the right side of the forming square column (12) through a right connecting seat (13), a left connecting seat (15) is arranged on the left side of the lower side of the upper forming die holder (11), connecting grooves are respectively formed on the sides of the left connecting seat (15) and the forming square column (12), connecting protrusions are arranged on the sides of the sliding block (14) and are embedded into the connecting grooves to fixedly connect the left connecting seat (15) and the forming square column (12), and the upper forming die holder (11) is fixed on a press.
7. The rectangular tube manufacturing mold according to claim 6, wherein the lower molding mold comprises a lower molding mold base (20), a molding top plate (19) is arranged in the middle of the upper side face of the lower molding mold base (20), two molding concave modules (18) are arranged on two sides of the molding top plate (19), a molding concave mold groove is formed by the two molding concave modules (18) and the top plate, molding reinforcing blocks (17) are arranged on the outer sides of the two molding concave modules (18), the molding reinforcing blocks (17) are fixed on the lower molding mold base (20), a support frame (16) is arranged above the molding reinforcing blocks (17), the upper side face of the support frame (16) and the upper side face of each molding concave module (18) are located on the same plane, and molding positioning blocks (21) are arranged on the edge of the support frame (16).
8. The rectangular tube manufacturing die of claim 7, wherein a forming top plate (19) hole is formed in the forming lower die holder (20), the blanking top plate hole penetrates through the ejector rod to eject the top plate, and the top plate ejects the formed metal rectangular square tube from the forming female die groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922191469.9U CN211464429U (en) | 2019-12-10 | 2019-12-10 | Rectangular pipe manufacturing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922191469.9U CN211464429U (en) | 2019-12-10 | 2019-12-10 | Rectangular pipe manufacturing die |
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| Publication Number | Publication Date |
|---|---|
| CN211464429U true CN211464429U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922191469.9U Active CN211464429U (en) | 2019-12-10 | 2019-12-10 | Rectangular pipe manufacturing die |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000641A (en) * | 2021-02-09 | 2021-06-22 | 沈阳和世泰通用钛业有限公司 | Titanium alloy square tube integrated forming device and method |
| CN114951364A (en) * | 2022-03-21 | 2022-08-30 | 枣庄保源工程机械有限公司 | Rectangular pipe integral forming die and hydraulic forming machine and forming method thereof |
-
2019
- 2019-12-10 CN CN201922191469.9U patent/CN211464429U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000641A (en) * | 2021-02-09 | 2021-06-22 | 沈阳和世泰通用钛业有限公司 | Titanium alloy square tube integrated forming device and method |
| CN113000641B (en) * | 2021-02-09 | 2022-11-04 | 沈阳和世泰通用钛业有限公司 | Titanium alloy square tube integrated forming device and method |
| CN114951364A (en) * | 2022-03-21 | 2022-08-30 | 枣庄保源工程机械有限公司 | Rectangular pipe integral forming die and hydraulic forming machine and forming method thereof |
| CN114951364B (en) * | 2022-03-21 | 2023-10-13 | 山东合利工程机械有限公司 | Rectangular pipe integrated forming die, hydraulic forming machine and forming method thereof |
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Effective date of registration: 20220316 Address after: 277100 east courtyard, 100m north of the junction of Xichang Road and Zhongxing Avenue, Shizhong District, Zaozhuang City, Shandong Province Patentee after: Zaozhuang Baoyuan Construction Machinery Co.,Ltd. Address before: 277100 mining area office, Shizhong District, Zaozhuang City, Shandong Province Patentee before: Li Zenghong |