CN110125228B - Hollow square cross beam machining die - Google Patents
Hollow square cross beam machining die Download PDFInfo
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- CN110125228B CN110125228B CN201910398324.8A CN201910398324A CN110125228B CN 110125228 B CN110125228 B CN 110125228B CN 201910398324 A CN201910398324 A CN 201910398324A CN 110125228 B CN110125228 B CN 110125228B
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- insert
- extrusion surface
- die assembly
- groove
- die
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- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
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- 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
- B21D47/00—Making rigid structural elements or units, e.g. honeycomb structures
- B21D47/01—Making rigid structural elements or units, e.g. honeycomb structures beams or pillars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a hollow square beam processing die, which is characterized in that a first insert, a second insert and a third insert are arranged on an upper die assembly, the first insert and the third insert are positioned on two sides of the second insert, the second insert can move relative to the upper die assembly along the die opening direction of the die, the first insert is provided with a first extrusion surface, the third insert is provided with a second extrusion surface, an opening of an included angle formed by the first extrusion surface and the second extrusion surface faces a lower die assembly, a fourth insert, a fifth insert and a sixth insert are arranged on the lower die assembly, the fourth insert and the sixth insert are positioned on two sides of the fifth insert, the fifth insert can move relative to the lower die assembly along the die opening direction of the die, the fourth insert is provided with a third extrusion surface, the sixth insert is provided with a fourth extrusion surface, and an opening of an included angle formed by the third extrusion surface and the fourth extrusion surface faces the upper die assembly; in the invention, the preforming and the molding are designed in a pair of dies, and the purpose of one-step molding is achieved by controlling the movement of the die insert, so that the working procedure is saved and the management is easy.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a die for processing a hollow square cross beam.
Background
And (3) bending the raw material circular tube, then carrying out internal high-pressure forming, and finally carrying out laser cutting to produce a square hollow square beam product. The manufacturing process of the raw material circular tube is relatively mature, and the performance is good; the pipe bending process of the round pipe is simple, and the pipe bending die is easy to process.
In order to make the cross section of the cross beam be processed into a square shape from a circle, the existing processing mode is to perform the circle through a performing die firstly and then perform internal high-pressure forming through an internal high-pressure forming die, the forming mode has more processes, the cross beam needs to be transferred, the process is not easy to control, and improvement is needed urgently.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a hollow square cross beam machining die.
The invention provides a hollow square beam processing die which comprises an upper die assembly, a lower die assembly, a first insert, a second insert, a third insert, a fourth insert, a fifth insert and a sixth insert;
the first insert, the second insert and the third insert are mounted on the upper die assembly, the first insert and the third insert are respectively located on two sides of the second insert, the second insert can move along the die opening direction of the die relative to the upper die assembly, a first extrusion surface is arranged on one side, close to the third insert, of the first insert, a second extrusion surface is arranged on one side, close to the first insert, of the third insert, the first extrusion surface and the second extrusion surface are oppositely arranged and are separated by a preset distance, and an opening of an included angle formed by the first extrusion surface and the second extrusion surface faces the lower die assembly;
the fourth insert, the fifth insert and the sixth insert are mounted on the lower die assembly, the fourth insert and the sixth insert are respectively located on two sides of the fifth insert, the fifth insert can move along the die opening direction of the die relative to the lower die assembly, a third extrusion surface is arranged on one side, close to the sixth insert, of the fourth insert, a fourth extrusion surface is arranged on one side, close to the fourth insert, of the sixth insert, the third extrusion surface and the fourth extrusion surface are oppositely arranged and are separated by a preset distance, and an opening of an included angle formed by the third extrusion surface and the fourth extrusion surface faces the upper die assembly;
the first insert is arranged opposite to the fourth insert, the second insert is arranged opposite to the fifth insert, and the third insert is arranged opposite to the sixth insert.
Preferably, the first insert is provided with a plurality of first bulges along the length direction, and a first groove is formed between any adjacent first bulges;
the third insert is provided with a plurality of second bulges along the length direction, and a second groove is formed between any two adjacent second bulges;
a plurality of third bulges are arranged on the fourth insert along the length direction, and a third groove is formed between any adjacent third bulges;
a plurality of fourth bulges are arranged on the sixth insert along the length direction, and a fourth groove is formed between any adjacent fourth bulges;
in the mold clamping state, the first protrusion is matched in the third groove, the second protrusion is matched in the fourth groove, the third protrusion is matched in the first groove, and the fourth protrusion is matched in the second groove.
Preferably, the first groove penetrates through the first extrusion surface, the second groove penetrates through the second extrusion surface, the third groove penetrates through the third extrusion surface, and the third groove penetrates through the third extrusion surface;
and in the die closing state, the first extrusion surface is positioned in the third groove, the second extrusion surface is positioned in the fourth groove, the third extrusion surface is positioned in the first groove, and the fourth extrusion surface is positioned in the second groove.
Preferably, one side of the second insert close to the lower die assembly is provided with a rectangular groove, and one side of the fifth insert close to the upper die assembly is provided with a rectangular groove.
In the invention, the hollow square beam processing die is characterized in that a round beam to be formed is placed between a third extrusion surface and a fourth extrusion surface, the round beam is abutted against the third extrusion surface and the fourth extrusion surface, an upper die assembly starts to be closed, and after the upper die assembly moves for a certain distance, the first extrusion surface and the second extrusion surface are contacted with the round cross beam, the round cross beam begins to deform, the round cross beam is gradually pressed into the cross beam with an oval section along with the continuous movement of the upper die assembly, the first insert is abutted against the fourth insert, the third insert is abutted against the sixth insert, the process is pre-forming, then high-pressure water is injected into the cross beam, meanwhile, the second insert and the fifth insert move oppositely, the second insert and the fifth insert press the oval cross beam, when the second insert and the fifth insert move in place, maintaining the pressure for a period of time, and finishing the product molding, wherein the process is internal high-pressure molding; therefore, the processing die provided by the invention can realize preforming and internal high-pressure forming, avoid the transfer of the cross beam and simplify the processing procedure.
Drawings
FIG. 1 is a schematic structural view of a hollow square beam processing mold provided by the invention in a mold closing state;
FIG. 2 is a schematic structural view of a hollow square beam processing mold provided by the invention in an open state;
FIG. 3 is a schematic view of a mold closing process of the hollow square beam processing mold provided by the invention;
FIG. 4 is a schematic view of a mold closing process of the hollow square beam processing mold provided by the invention;
FIG. 5 is a schematic view of a mold closing process of the hollow square beam processing mold provided by the invention;
fig. 6 is a schematic view of a mold closing process of the hollow square beam processing mold provided by the invention.
Detailed Description
As shown in fig. 1-6, fig. 1 is a schematic structural diagram of a hollow square beam processing mold provided by the present invention in a mold closing state, fig. 2 is a schematic structural diagram of a hollow square beam processing mold provided by the present invention in a mold opening state, fig. 3 is a schematic diagram of a mold closing process of a hollow square beam processing mold provided by the present invention, fig. 4 is a schematic diagram of a mold closing process of a hollow square beam processing mold provided by the present invention, fig. 5 is a schematic diagram of a mold closing process of a hollow square beam processing mold provided by the present invention, and fig. 6 is a schematic diagram of a mold closing process of a hollow square beam processing mold provided by the present invention.
Referring to fig. 1-2, the invention provides a hollow square beam processing die, which comprises an upper die assembly, a lower die assembly, a first insert 1, a second insert 2, a third insert 3, a fourth insert 4, a fifth insert 5 and a sixth insert 6;
in the embodiment, the round cross beam to be processed is subjected to pipe bending treatment, so that the die is correspondingly matched with the bent cross beam;
the first insert 1, the second insert 2 and the third insert 3 are mounted on the upper die assembly, the first insert 1, the second insert 2 and the third insert 3 move synchronously with the upper die assembly, the first insert 1 and the third insert 3 are respectively located on two sides of the second insert 2, the second insert 2 can move relative to the upper die assembly along the die opening direction of the die, the second insert 2 can move driven by an ejector pin in the upper die assembly, a first extrusion surface 11 is arranged on one side of the first insert 1 close to the third insert 3, a second extrusion surface 31 is arranged on one side of the third insert 3 close to the first insert 1, the first extrusion surface 11 and the second extrusion surface 31 are arranged oppositely and spaced by a preset distance, an opening of an included angle formed by the first extrusion surface 11 and the second extrusion surface 31 faces the lower die assembly, and the first extrusion surface 11 and the second extrusion surface 31 are used for extruding a cross beam;
the fourth insert 4, the fifth insert 5 and the sixth insert 6 are mounted on the lower die assembly, the fourth insert 4, the fifth insert 5 and the sixth insert 6 move synchronously with the lower die assembly, the fourth insert 4 and the sixth insert 6 are respectively located on two sides of the fifth insert 5, the fifth insert 5 can move relative to the lower die assembly along the die opening direction of the die, the fifth insert 5 can move driven by an ejector pin in the lower die assembly, a third extrusion surface 41 is arranged on one side of the fourth insert 4 close to the sixth insert 6, a fourth extrusion surface 61 is arranged on one side of the sixth insert 6 close to the fourth insert 4, the third extrusion surface 41 and the fourth extrusion surface 61 are arranged oppositely and spaced by a preset distance, an opening of an included angle formed by the third extrusion surface 41 and the fourth extrusion surface 61 faces the upper die assembly, and the third extrusion surface 41 and the fourth extrusion surface 61 are used for extruding the beam;
the first insert 1 is arranged opposite to the fourth insert 4, the second insert 2 is arranged opposite to the fifth insert 5, and the third insert 3 is arranged opposite to the sixth insert 6.
In the working process of the hollow square beam machining die provided by the embodiment, referring to fig. 3, a round beam to be formed is placed between the third extrusion surface 41 and the fourth extrusion surface 61, and the round beam abuts against the third extrusion surface 41 and the fourth extrusion surface 61; referring to fig. 4, the upper die assembly starts to be closed, after the upper die assembly moves for a certain distance, the first extrusion surface 11 and the second extrusion surface 31 are in contact with the circular cross beam, the circular cross beam starts to deform, and along with the continuous movement of the upper die assembly, the circular cross beam is gradually pressed into a cross beam with an oval cross section, referring to fig. 5, the first insert 1 is abutted against the fourth insert 4, the third insert 3 is abutted against the sixth insert 6, the second insert 2 and the fifth insert 5 move in the direction under the action of the cross beam, the process is pre-forming, and the cross beam cross section becomes oval; then injecting high-pressure water into the cross beam, enabling the second insert 2 and the fifth insert 5 to move oppositely under the action of the ejector pins, enabling the second insert 2 and the fifth insert 5 to press the oval cross beam, maintaining the pressure for a period of time after the second insert 2 and the fifth insert 5 move in place, finishing product molding, and referring to fig. 6, changing the cross section of the cross beam into a rectangle, wherein the process is internal high-pressure molding; therefore, in the embodiment, the preforming and the forming are designed in a pair of dies, and the purpose of one-step forming is achieved by controlling the movement of the die insert, so that the working procedure is saved, and the management is easy.
In order to ensure that the first insert 1 and the fourth insert 4 are tightly matched, and the third insert 3 and the sixth insert 6 are tightly matched, in the embodiment, the first insert 1 is provided with a plurality of first protrusions 12 along the length direction, and a first groove is formed between any adjacent first protrusions 12;
the third insert 3 is provided with a plurality of second protrusions 32 along the length direction, and a second groove is formed between any two adjacent second protrusions 32;
the fourth insert 4 is provided with a plurality of third protrusions 42 along the length direction, and a third groove is formed between any adjacent third protrusions 42;
the sixth insert 6 is provided with a plurality of fourth protrusions 62 along the length direction, and a fourth groove is formed between any adjacent fourth protrusions 62;
in the die-clamping state, the first protrusion 12 is fitted in the third groove, the second protrusion 32 is fitted in the fourth groove, the third protrusion 42 is fitted in the first groove, and the fourth protrusion 62 is fitted in the second groove, and in the die-clamping process, the first protrusion 12, the second protrusion 32, the third protrusion and the fourth protrusion 62 play a guiding role, so that the first insert 1 is tightly fitted with the fourth insert 4, and the third insert 3 is tightly fitted with the sixth insert 6.
Further, the first groove penetrates through the first pressing surface 11, the second groove penetrates through the second pressing surface 31, the third groove penetrates through the third pressing surface 41, and the third groove penetrates through the third pressing surface 41;
in the mold closing state, the first extrusion surface 11 is located in the third groove, the second extrusion surface 31 is located in the fourth groove, the third extrusion surface 41 is located in the first groove, and the fourth extrusion surface 61 is located in the second groove.
In this embodiment, a rectangular groove is formed in one side of the second insert 2 close to the lower die assembly, a rectangular groove is formed in one side of the fifth insert 5 close to the upper die assembly, and the cross beam is pressed into the rectangular groove during internal high-pressure molding.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A hollow square beam processing die is characterized by comprising an upper die assembly, a lower die assembly, a first insert (1), a second insert (2), a third insert (3), a fourth insert (4), a fifth insert (5) and a sixth insert (6);
the die comprises an upper die assembly, and is characterized in that a first insert (1), a second insert (2) and a third insert (3) are mounted on the upper die assembly, the first insert (1) and the third insert (3) are respectively positioned on two sides of the second insert (2), the second insert (2) can move relative to the upper die assembly along the die opening direction of the die, a first extrusion surface (11) is arranged on one side, close to the third insert (3), of the first insert (1), a second extrusion surface (31) is arranged on one side, close to the first insert (1), of the third insert (3), the first extrusion surface (11) and the second extrusion surface (31) are arranged oppositely and spaced by a preset distance, and an opening of an included angle formed by the first extrusion surface (11) and the second extrusion surface (31) faces the lower die assembly;
the die comprises a lower die assembly, a fourth insert (4), a fifth insert (5) and a sixth insert (6) are mounted on the lower die assembly, the fourth insert (4) and the sixth insert (6) are respectively located on two sides of the fifth insert (5), the fifth insert (5) can move relative to the lower die assembly along the die opening direction of the die, a third extrusion surface (41) is arranged on one side, close to the sixth insert (6), of the fourth insert (4), a fourth extrusion surface (61) is arranged on one side, close to the fourth insert (4), of the sixth insert (6), the third extrusion surface (41) and the fourth extrusion surface (61) are arranged oppositely and spaced by a preset distance, and an opening of an included angle formed by the third extrusion surface (41) and the fourth extrusion surface (61) faces the upper die assembly;
the first insert (1) and the fourth insert (4) are arranged oppositely, the second insert (2) and the fifth insert (5) are arranged oppositely, and the third insert (3) and the sixth insert (6) are arranged oppositely;
in the working process of the hollow square beam processing die, a round beam to be formed is placed between the third extrusion surface (41) and the fourth extrusion surface (61), and the round beam abuts against the third extrusion surface (41) and the fourth extrusion surface (61); the upper die assembly starts to be assembled, after the upper die assembly moves for a certain distance, the first extrusion surface (11) and the second extrusion surface (31) are contacted with the circular cross beam, the circular cross beam starts to deform, the circular cross beam is gradually pressed into the cross beam with the oval cross section along with the continuous movement of the upper die assembly, the first insert (1) is abutted against the fourth insert (4), the third insert (3) is abutted against the sixth insert (6), and the process is pre-forming; and then injecting high-pressure water into the cross beam, simultaneously moving the second insert (2) and the fifth insert (5) in opposite directions, pressing the oval cross beam by the second insert (2) and the fifth insert (5), and maintaining the pressure for a period of time after the second insert (2) and the fifth insert (5) move in place, so that the product is formed.
2. The hollow square beam processing die according to claim 1, wherein the first insert (1) is provided with a plurality of first protrusions (12) along the length direction, and a first groove is formed between any adjacent first protrusions (12);
the third insert (3) is provided with a plurality of second bulges (32) along the length direction, and a second groove is formed between any two adjacent second bulges (32);
a plurality of third bulges (42) are arranged on the fourth insert (4) along the length direction, and a third groove is formed between any adjacent third bulges (42);
the sixth insert (6) is provided with a plurality of fourth bulges (62) along the length direction, and a fourth groove is formed between any adjacent fourth bulges (62);
in the closed state of the mold, the first projection (12) fits in the third recess, the second projection (32) fits in the fourth recess, the third projection (42) fits in the first recess, and the fourth projection (62) fits in the second recess.
3. The hollow square beam processing die according to claim 2, wherein the first groove penetrates through a first pressing surface (11), the second groove penetrates through a second pressing surface (31), the third groove penetrates through a third pressing surface (41), and the fourth groove penetrates through a fourth pressing surface (61);
in the die closing state, the first extrusion surface (11) is located in the third groove, the second extrusion surface (31) is located in the fourth groove, the third extrusion surface (41) is located in the first groove, and the fourth extrusion surface (61) is located in the second groove.
4. The hollow square beam machining die according to claim 1, characterized in that a side of the second insert (2) adjacent to the lower die assembly is provided with a rectangular groove, and a side of the fifth insert (5) adjacent to the upper die assembly is provided with a rectangular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398324.8A CN110125228B (en) | 2019-05-14 | 2019-05-14 | Hollow square cross beam machining die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398324.8A CN110125228B (en) | 2019-05-14 | 2019-05-14 | Hollow square cross beam machining die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110125228A CN110125228A (en) | 2019-08-16 |
| CN110125228B true CN110125228B (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910398324.8A Active CN110125228B (en) | 2019-05-14 | 2019-05-14 | Hollow square cross beam machining die |
Country Status (1)
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| CN (1) | CN110125228B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6033832A (en) * | 1983-08-03 | 1985-02-21 | Hitachi Ltd | Bulging method of special shaped pipe |
| US6931906B2 (en) * | 2002-03-28 | 2005-08-23 | Eugene Angelo Sorgi | Method and apparatus for cold forging a trailer hitch receiving housing |
| CN201295718Y (en) * | 2008-10-18 | 2009-08-26 | 桂林电子科技大学 | Radial pressing and bulging device for pipes |
| CN101780507B (en) * | 2010-01-11 | 2012-06-20 | 金振文 | Method for manufacturing deep square cylindrical metal shell |
| CN107052124A (en) * | 2017-03-09 | 2017-08-18 | 柳州科瑞科技有限公司 | A kind of method for bending thin-wall rectangular section tubing |
| CN109127886B (en) * | 2018-11-02 | 2019-11-15 | 哈尔滨工业大学 | A kind of air pressure-molding combined shaping method of seamed edge fillet R≤2t difficult-to-deformation material rectangular section hollow object |
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- 2019-05-14 CN CN201910398324.8A patent/CN110125228B/en active Active
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