CN114101494A - Forming die for changing round pipe into square pipe and method for producing square shell - Google Patents
Forming die for changing round pipe into square pipe and method for producing square shell Download PDFInfo
- Publication number
- CN114101494A CN114101494A CN202111518004.5A CN202111518004A CN114101494A CN 114101494 A CN114101494 A CN 114101494A CN 202111518004 A CN202111518004 A CN 202111518004A CN 114101494 A CN114101494 A CN 114101494A
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- Prior art keywords
- core
- mold core
- die
- die core
- square
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000008358 core component Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a forming die for a round tube-to-square tube, which comprises a base, wherein a die core assembly and an outer baffle plate are arranged on the base in a surrounding manner, a forming cavity is formed between the die core assembly and the outer baffle plate, the die core assembly comprises a movable inner die core and a movable outer die core, and the outer die core moves and expands from inside to outside along with the movement of the inner die core towards the corresponding outer baffle plate. The invention also provides a method for producing the square shell by using the forming die. According to the square shell forming device, the mold core assembly is matched with the outer baffles arranged on the periphery of the mold core assembly to form the square shell meeting the requirement; the inner mold core moves to drive the outer mold core to expand to form a square shape, and the outer mold core is matched with the outer baffle for extrusion, so that the bending degree of the edge part of the product is reduced, the product requirement is met, and the yield is high; meanwhile, the mold is simple in structure and simple and convenient to use.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the field of dies, in particular to a forming die for changing a round tube into a square tube and a method for producing a square shell.
[ background of the invention ]
The limit crookedness of the product that present pipe becomes the forming die processing of square pipe is great, can not satisfy the needs of the strict requirement product of high standard, for example in the aspect of new energy automobile application, new energy automobile's battery case is made by pure aluminium, because the material is softer, when the square shell of shaping, limit easy bending deformation, the yields of current mould and technology is low, high in production cost. Therefore, a die and a process which meet the process requirements and have high yield are urgently needed to be designed.
[ summary of the invention ]
The invention aims to provide a forming die for changing a round pipe into a square pipe and a method for producing a square shell by using the forming die, and the problem that the edge of a square product processed in the related technology is high in bending degree is solved.
The invention provides a forming die for a round tube-to-square tube, which comprises a base, wherein a die core assembly and an outer baffle plate are arranged on the base in a surrounding mode, a forming cavity is formed between the die core assembly and the outer baffle plate, the die core assembly comprises a movable inner die core and a movable outer die core, and the outer die core moves and expands from inside to outside along with the movement of the inner die core towards the corresponding outer baffle plate.
Further, the outer mold core comprises a plurality of outer mold core single bodies, and the inner mold core comprises a first inner mold core for pushing the outer mold core single bodies to move from inside to outside along the X direction.
Further, the inner mold core comprises a second inner mold core for pushing the outer mold core single body to move from inside to outside along the Y direction.
Furthermore, the inner mold core is provided with at least one first inner mold core inclined plane, the outer mold core is provided with at least one first outer mold core inclined plane, and when the inner mold core moves, the first inner mold core inclined plane and the first outer mold core inclined plane are matched to push the outer mold core to move from inside to outside along the X direction.
Furthermore, the inner mold core is provided with at least one second inner mold core inclined plane, the outer mold core is provided with at least one second outer mold core inclined plane, and when the inner mold core moves, the outer mold core is pushed to move from inside to outside along the Y direction through the cooperation of the second inner mold core inclined plane and the second outer mold core inclined plane.
Further, the moving direction of the inner mold core is perpendicular to the moving direction of the outer mold core.
Further, the inner mold core comprises two second inner mold cores, and the two second inner mold cores are located on two opposite sides of the first inner mold core.
Furthermore, the outer mold core comprises four outer mold core monomers, and the four outer mold core monomers are distributed at four corners of the inner mold core.
Furthermore, the base is provided with a groove, the groove comprises a middle groove for the inner mold core to move and a channel which is corresponding to the outer mold core in position and communicated with the middle groove, and a supporting block which can move along the channel and is used for supporting the outer mold core is arranged in the channel.
The invention also provides a method for producing the square shell, which uses any one of the forming dies for processing and comprises the following steps:
placing the cylindrical material in a forming cavity;
pressing the inner mold core downwards, moving and expanding the outer mold core from inside to outside, and deforming the cylindrical material under stress;
when the outer mold core moves outwards to expand to a forming position, the cylindrical material is formed into a square shape under the combined action of the outer mold core and the outer baffle.
Compared with the prior art, the method has the following advantages:
the mold core component is matched with the outer baffles arranged around the mold core component to form a square shell meeting the requirement; the inner mold core moves to drive the outer mold core to expand to form a square shape, and the outer mold core is matched with the outer baffle for extrusion, so that the bending degree of the edge part of the product is reduced, the product requirement is met, and the yield is high; meanwhile, the mold is simple in structure and simple and convenient to use.
[ description of the drawings ]
Fig. 1 is a perspective view of the forming die for the round tube-to-square tube according to the present application.
Fig. 2 is a top view of the forming die for the round tube-to-square tube according to the present application.
Fig. 3 is a perspective view of the die core assembly and the base of the forming die for the round tube-to-square tube according to the present invention in an initial state.
FIG. 4 is a top view of the die core assembly and the base of the forming die for the round tube-to-square tube of the present application in an initial state.
Fig. 5 is a perspective view of the die core assembly and the base of the forming die for the round tube-to-square tube according to the present invention in a post-processing state.
Fig. 6 is a top view of the die core assembly and the base of the forming die for the round tube-to-square tube according to the present invention after processing.
Fig. 7 is a perspective view of the round tube-to-square tube forming mold according to the present invention in a post-processing state.
Fig. 8 is a plan view of the round tube-to-square tube forming mold according to the present invention in a state after processing.
Fig. 9 is an exploded view of the base of the forming die for the round tube-to-square tube according to the present invention.
FIG. 10 is a front view of the mold core assembly for forming round tubes and square tubes according to the present invention.
FIG. 11 is a side view of a die core assembly for forming round tubes and square tubes according to the present invention.
Fig. 12 is a schematic view of another first inclined plane of the forming die for the round tube and the square tube.
[ detailed description ] embodiments
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
As shown in fig. 1-11, this embodiment provides a forming die for a round tube-to-square tube, which includes a base 1, a core assembly 8 is arranged on the base 1, and an outer baffle 6 surrounding the core assembly 8 is provided, a forming cavity 100 is formed between the core assembly 8 and the outer baffle 6, the core assembly 8 includes a movable inner core 2 and a movable outer core 3, and the outer core 3 is corresponding to the movement of the inner core 2 from inside to outside as the outer baffle 6 moves and expands. The square shell meeting the requirements is formed by matching the mold core component 8 with the outer baffle 6 which is surrounded by the mold core component 8.
When a mould is used for processing, the cylindrical material 9 is placed in a forming cavity 100 of the mould; pressing the inner mold core 2 downwards, moving and expanding the outer mold core 3 from inside to outside, and deforming the cylindrical material 9 under stress; when the outer mold core 3 is moved outward to expand to the molding position, as shown in fig. 5, the cylindrical material 9 is molded into a square shape by the cooperation of the outer mold core 3 and the outer baffle 6.
The outer mold core 3 comprises a plurality of outer mold core single bodies 33, and the inner mold core 2 comprises a first inner mold core 21 for pushing the outer mold core single bodies 33 to move from inside to outside along the X direction. There may be two outer mold core single bodies 33, or there may be four outer mold core single bodies 33.
The inner mold core 2 comprises a second inner mold core 22 used for pushing the outer mold core monomer 33 to move from inside to outside along the Y direction, the inner mold core 2 can be integrated or combined separately, the processing is convenient when the inner mold core is combined separately, and meanwhile, when a certain part is damaged, only damaged parts need to be replaced, so that the maintenance cost is reduced.
The inner mold core 2 is provided with at least one first inner mold core inclined plane 201, the outer mold core 3 is provided with at least one first outer mold core inclined plane 301, and when the inner mold core 2 moves, the outer mold core 3 is pushed to move from inside to outside along the X direction by the cooperation of the first inner mold core inclined plane 201 and the first outer mold core inclined plane 301. The included angle A1 formed by the first inner mold core inclined plane 201 and the vertical plane is 20-65 degrees, the angle of the first outer mold core inclined plane 301 is the same as that of the first inner mold core inclined plane 201, and a plurality of first inner mold core inclined planes 201 and a plurality of first outer mold core inclined planes 301 are arranged from top to bottom. In this embodiment there are 4.
In addition, at least one first inner core inclined plane 201 may be inclined in both the X-direction and the Y-direction, as shown by at least one inner core inclined plane 41 in fig. 12, to move and expand the outer core 3 in both the X-direction and the Y-direction.
The inner mold core 2 is provided with at least one second inner mold core inclined surface 202, the outer mold core 3 is provided with at least one second outer mold core inclined surface 302, and when the inner mold core 2 moves, the outer mold core 3 is pushed to move from inside to outside along the Y direction by the cooperation of the second inner mold core inclined surface 202 and the second outer mold core inclined surface 302. The included angle A2 formed by the second inner core inclined planes 202 and the vertical plane is between 1 and 50 degrees, the angles of the second outer core inclined planes 302 and the second inner core inclined planes 202 are the same, and a plurality of second inner core inclined planes 202 and at least one second outer core inclined plane 302 are arranged from top to bottom. In the present embodiment, there are 4 from top to bottom.
The moving direction of the inner mold core 2 is vertical to the moving direction of the outer mold core 3.
The inner mold core 2 comprises two second inner mold cores 22, and the two second inner mold cores 22 are positioned at two opposite sides of the first inner mold core 21. The inner mold core 2 is separately combined, so that the processing is convenient, and meanwhile, when a certain part is damaged, only the damaged part needs to be replaced, and the maintenance cost is reduced.
The outer mold core 3 comprises four outer mold core single bodies 33, and the four outer mold core single bodies 33 are distributed at four corners of the inner mold core 2. The corners 331 of the outer mold core single bodies 33 are provided with chamfers, so that the cylindrical material 9 is not easy to damage at the corners due to excessive stress.
The base 1 is provided with a groove 101, the groove 101 comprises a middle groove 1011 for the movement of the inner mold core 2 and a channel 1012 corresponding to the outer mold core 3 and communicated with the middle groove 1011, and a supporting block 7 capable of moving along the channel 1012 and supporting the outer mold core 3 is arranged in the channel 1012. The contact part of the supporting block 7 and the outer mold core 3 is right-angled. The stability of the outer mould core 3 is improved by means of support blocks 7.
The base 1 comprises a first base 11, a hollow second base 12 and a hollow third base 13, the hollows of the second base 12 and the third base 13 forming the recess 101 and the channel 1012. The base is arranged in a split mode, so that the processing and the maintenance are convenient, and the maintenance cost is reduced.
The protrusion 131 of the third chassis 13 is larger than the protrusion 121 of the second chassis 12. The third base 13 limits the movement of the support block 7 within the channel 1012, so that the die is convenient to use and the risk of ejection is reduced.
At least one sliding groove 1011 is arranged on the groove 101 of the base 1, at least one protrusion 2011 corresponding to the at least one sliding groove 1011 is arranged on the inner mold core 2, the inner mold core 2 moves along the at least one sliding groove 1011, and the height of the at least one protrusion 2011 on the inner mold core 2 does not exceed the height of the sliding groove 1011 on the base 1; or the groove 101 of the base 1 is provided with at least one protrusion, the inner mold core 2 is provided with at least one groove corresponding to the at least one protrusion, and the inner mold core 2 moves along the at least one protrusion. The accurate displacement direction of the inner mold core 2 is ensured.
The invention also provides a method for producing the square shell, which uses the die for processing and comprises the following steps:
placing the cylindrical material 9 in the forming cavity 100;
pressing the inner mold core 2 downwards, moving and expanding the outer mold core 3 from inside to outside, and deforming the cylindrical material 9 under stress;
when the outer mold core 3 moves outwards and expands to the molding position, the cylindrical material 9 is molded into a square shape under the combined action of the outer mold core 3 and the outer baffle 6.
The method is simple and convenient, and simultaneously meets the requirement of the product on the bending degree.
Claims (10)
1. The utility model provides a pipe becomes forming die of side pipe, includes base (1), its characterized in that, be equipped with mold core assembly (8) on base (1) to and enclose all around and establish outer baffle (6) of mold core assembly (8), mold core assembly (8) with form between outer baffle (6) into die cavity (100), mold core assembly (8) are including mobilizable interior mold core (2) and mobilizable outer mold core (3), outer mold core (3) are along with the removal from interior to exterior of interior mold core (2) is corresponding outer baffle (6) remove the expansion.
2. The forming die for the round and square tubes as claimed in claim 1, wherein the outer die core (3) comprises a plurality of outer die core single bodies (33), and the inner die core (2) comprises a first inner die core (21) for pushing the outer die core single bodies (33) to move from inside to outside along the X direction.
3. The forming die for the round and square tubes as claimed in claim 2, wherein the inner die core (2) comprises a second inner die core (22) for pushing the outer die core single body (33) to move from inside to outside along the Y direction.
4. The forming die for the round tube-variable square tube as claimed in claim 2, wherein at least one first inner die core inclined plane (201) is arranged on the inner die core (2), at least one first outer die core inclined plane (301) is arranged on the outer die core (3), and when the inner die core (2) moves, the first inner die core inclined plane (201) and the first outer die core inclined plane (301) are matched to push the outer die core (3) to move from inside to outside along the X direction.
5. The forming die of pipe change square pipe of claim 3, characterized in that, be equipped with in at least one second mold core inclined plane (202) on interior mold core (2), be equipped with at least one second outer mold core inclined plane (302) on outer mold core (3) when interior mold core (2) remove, through second interior mold core inclined plane (202) and second outer mold core inclined plane (302) cooperate and promote outer mold core (3) are along Y to the removal from inside to outside.
6. The forming die for the round and square tubes as claimed in claim 1, wherein the moving direction of the inner die core (2) is perpendicular to the moving direction of the outer die core (3).
7. The forming die of the round pipe and variable square pipe as claimed in claim 3, wherein the inner die core (2) comprises two second inner die cores (22), and the two second inner die cores (22) are located on two opposite sides of the first inner die core (21).
8. The forming die of the round tube-variable square tube as claimed in claim 2, wherein the outer die core (3) comprises four outer die core monomers (33), and the four outer die core monomers (33) are distributed at four corners of the inner die core (2).
9. The forming die for the round and square tubes as claimed in claim 4, wherein the base (1) is provided with a groove (101), the groove (101) comprises a middle groove (1011) for moving the inner die core (2) and a channel (1012) corresponding to the outer die core (3) and communicated with the middle groove (1011), and a supporting block (7) capable of moving along the channel (1012) and supporting the outer die core (3) is arranged in the channel (1012).
10. A method for producing a square shell is characterized in that any one of the forming dies is used for processing, and comprises the following steps:
placing the cylindrical material (9) in a forming cavity (100);
the inner mold core (2) is pressed downwards, the outer mold core (3) moves and expands from inside to outside, and the cylindrical material (9) deforms under stress;
when the outer mold core (3) moves outwards and expands to a forming position, the cylindrical material (9) is formed into a square shape under the combined action of the outer mold core (3) and the outer baffle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111518004.5A CN114101494A (en) | 2021-12-13 | 2021-12-13 | Forming die for changing round pipe into square pipe and method for producing square shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111518004.5A CN114101494A (en) | 2021-12-13 | 2021-12-13 | Forming die for changing round pipe into square pipe and method for producing square shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114101494A true CN114101494A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111518004.5A Pending CN114101494A (en) | 2021-12-13 | 2021-12-13 | Forming die for changing round pipe into square pipe and method for producing square shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114101494A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10118728A (en) * | 1996-10-18 | 1998-05-12 | Dai Ichi High Frequency Co Ltd | Expandable and contractible core device |
| CN204912359U (en) * | 2015-08-28 | 2015-12-30 | 陈波 | Plastic mould manages in side |
| CN207655763U (en) * | 2017-12-25 | 2018-07-27 | 广东富华机械装备制造有限公司 | The local bulging device of pipe fitting |
| CN207971310U (en) * | 2018-01-29 | 2018-10-16 | 广州市花都志达不锈钢制品有限公司 | A kind of high-precision section pipe expansion shaped insertion-type device |
| CN212494889U (en) * | 2020-04-09 | 2021-02-09 | 山东金梁建工机械有限公司 | Mould for round pipe and square pipe |
| CN216501898U (en) * | 2021-12-13 | 2022-05-13 | 中山市润厚精密五金有限公司 | Forming die for changing round pipe into square pipe |
-
2021
- 2021-12-13 CN CN202111518004.5A patent/CN114101494A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10118728A (en) * | 1996-10-18 | 1998-05-12 | Dai Ichi High Frequency Co Ltd | Expandable and contractible core device |
| CN204912359U (en) * | 2015-08-28 | 2015-12-30 | 陈波 | Plastic mould manages in side |
| CN207655763U (en) * | 2017-12-25 | 2018-07-27 | 广东富华机械装备制造有限公司 | The local bulging device of pipe fitting |
| CN207971310U (en) * | 2018-01-29 | 2018-10-16 | 广州市花都志达不锈钢制品有限公司 | A kind of high-precision section pipe expansion shaped insertion-type device |
| CN212494889U (en) * | 2020-04-09 | 2021-02-09 | 山东金梁建工机械有限公司 | Mould for round pipe and square pipe |
| CN216501898U (en) * | 2021-12-13 | 2022-05-13 | 中山市润厚精密五金有限公司 | Forming die for changing round pipe into square pipe |
Non-Patent Citations (2)
| Title |
|---|
| 张铁成: "最新新型工程材料生产新技术应用与新产品开发研制及行业技术标准实用大全 涂料与胶粘剂卷", vol. 1, 30 November 2004, 学苑音像出版社, pages: 324 * |
| 杨长顺: "冷挤压模具设计", vol. 1, 31 August 1994, 国防工业出版社, pages: 99 * |
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