CN220591493U - Mould for improving weld joint and surface chromatic aberration of aluminum pipe - Google Patents
Mould for improving weld joint and surface chromatic aberration of aluminum pipe Download PDFInfo
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- CN220591493U CN220591493U CN202322181288.4U CN202322181288U CN220591493U CN 220591493 U CN220591493 U CN 220591493U CN 202322181288 U CN202322181288 U CN 202322181288U CN 220591493 U CN220591493 U CN 220591493U
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- die
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- aluminum pipe
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- wall
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 35
- 230000004075 alteration Effects 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 29
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000000956 alloy Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model discloses a die for improving weld joints and surface chromatic aberration of an aluminum pipe, which comprises an upper die and a lower die which are mutually matched and installed; the upper die comprises an upper die cylinder and a die core arranged in the center of the upper die cylinder; the lower die comprises a lower die cylinder and a bowl-shaped welding chamber arranged at the center of the upper part of the lower die cylinder; the lower end of the mold core penetrates into the bowl-shaped welding chamber and is provided with a core head, wherein four split bridges for supporting the mold core are uniformly arranged in the upper mold cylinder along the circumferential direction of the mold core, split holes communicated with the bowl-shaped welding chamber are formed between two adjacent split bridges and the inner wall of the upper mold cylinder, a pier with a sharp barb arc transition is arranged between the two adjacent split holes and the inner wall of the upper mold cylinder, and the bottom of the pier is in contact connection with the bowl-shaped welding chamber; the side surface of the diversion hole, which is close to the inner wall of the upper die cylinder, is sequentially provided with a straight edge and a bevel edge along the flowing direction of the aluminum alloy raw material. The utility model can improve the welding seam problem of the aluminum pipe and solve the surface color difference problem of the aluminum pipe.
Description
Technical Field
The utility model relates to the technical field of aluminum pipe production equipment, in particular to a die for improving welding seams and surface chromatic aberration of an aluminum pipe.
Background
With the continuous upgrading and improvement of automobile technology, aluminum pipes used in some new energy automobiles are continuously improved in shape and inner and outer surfaces, and particularly the surfaces of the aluminum pipes and the internal technical requirements are very high.
However, the existing mould for producing the aluminum pipe is usually a three-bridge mould, the bottom of the cavity is extruded without pressure, the welding seam of the extruded pipe is easy to crack through the forming part, and the surface of the aluminum pipe is easy to have chromatic aberration, so that the yield and the yield of the aluminum pipe production are very low.
Disclosure of Invention
The utility model aims to solve the technical problems of improving the weld joint and the surface chromatic aberration of an aluminum pipe, and can improve the weld joint problem of the aluminum pipe and solve the surface chromatic aberration problem of the aluminum pipe, thereby improving the yield and the yield of the aluminum pipe production.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
A die for improving weld joint and surface chromatic aberration of an aluminum pipe comprises an upper die and a lower die which are mutually matched and installed; the upper die comprises an upper die cylinder and a die core arranged in the center of the upper die cylinder along the length direction of the upper die cylinder; the lower die comprises a lower die cylinder and a bowl-shaped welding chamber arranged at the center of the upper part of the lower die cylinder; the lower end of the mold core penetrates into the bowl-shaped welding chamber and is provided with a core head, wherein four split bridges for supporting the mold core are uniformly arranged in the upper mold cylinder along the circumferential direction of the mold core, split holes which are communicated with the bowl-shaped welding chamber and used for circulating aluminum alloy raw materials are formed between two adjacent split bridges and the inner wall of the upper mold cylinder, a pier with a sharp barb arc transition is arranged between the two adjacent split holes and the inner wall of the upper mold cylinder, and the bottom of the pier is in contact connection with the bowl-shaped welding chamber; the side surface of the shunt hole, which is close to the inner wall of the upper die cylinder, is sequentially provided with a straight edge and a bevel edge along the flowing direction of the aluminum alloy raw materials.
Preferably, the upper part of the side surface of the split-flow bridge connected to the mold core is arc-shaped which is bent towards the side surface of the upper end of the mold core.
Preferably, the lower end face of the shunt bridge, which is close to the lower die, is inclined and is high close to the side of the die core, and is close to the side bottom of the inner wall of the cylinder of the upper die.
Preferably, the upper end face of the bridge pier is lower than the upper end face of the upper die cylinder, and the arc is transited to the upper die cylinder to form a step.
Preferably, a die ring is arranged at the lower part of the bowl-shaped welding chamber, the inner wall of the die ring is in a stepped shape with a small upper caliber and a large lower caliber, and a working belt for realizing aluminum pipe molding is formed between the upper part of the inner wall of the die ring and the core print.
Preferably, the hollow knife which is communicated with the lower part of the inner wall of the die ring and used for the steel pipe to pass through is arranged at the inner center of the lower die cylinder along the length direction of the lower die cylinder.
By adopting the technical scheme, the utility model has the following technical progress.
The utility model can improve the welding seam problem of the aluminum pipe and solve the surface color difference problem of the aluminum pipe through the diversion holes and the bridge piers arranged on the upper die, thereby improving the output and the yield of the aluminum pipe production,
drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a cross-sectional view of the present utility model.
Wherein: 1. the upper die, 11, an upper die cylinder, 12, a die core, 13, a core head, 14, a shunt bridge, 141, an arc shape, 142, an inclined shape, 15, a shunt hole, 151, a straight edge, 152, a bevel edge, 16, a bridge pier, 17, a step, 2, a lower die, 21, a lower die cylinder, 22, a bowl-shaped welding chamber, 23, a die ring, 24, a working band and 25, a blank.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
The die for improving the weld joint and the surface chromatic aberration of the aluminum pipe comprises an upper die 1 and a lower die 2, wherein the upper die 1 and the lower die 2 are mutually matched and installed, the upper die 1 comprises an upper die cylinder 11 and a die core 12, and the die core 12 is arranged in the center of the upper die cylinder 11 along the length direction of the upper die cylinder 11; the lower die 2 includes a lower die cylinder 21 and a bowl-shaped welding chamber 22, and the bowl-shaped welding chamber 22 is opened at the upper center of the lower die cylinder 21. The lower end of the mold core 12 penetrates into a bowl-shaped welding chamber 22 and is provided with a core head 13; the lower part of the bowl-shaped welding chamber 22 is provided with a die ring 23, the inner wall of the die ring 23 is in a step shape with a small upper caliber and a large lower caliber, a working belt 24 is formed between the upper part of the inner wall of the die ring 23 and the core print 13, and the working belt 24 is used for realizing aluminum pipe molding.
Four split-flow bridges 14 for supporting the mold core 12 are uniformly arranged in the upper mold cylinder 11 along the circumferential direction of the mold core 12, split-flow holes 15 are formed between two adjacent split-flow bridges 14 and the inner wall of the upper mold cylinder 11, the four split-flow holes 15 are communicated with the bowl-shaped welding chamber 22, and the four split-flow holes 15 are used for circulating aluminum alloy raw materials.
The upper part of the side surface of the shunt bridge 14 connected to the mold core 12 is an arc 141 bent towards the side surface of the upper end of the mold core 12, so that the strength of the shunt bridge 14 can be increased. The lower end face of the shunt bridge 14, which is close to the lower die 2, is inclined 142 and is high close to the die core 12, and is close to the side bottom of the inner wall of the upper die cylinder 11, so that the aluminum alloy raw materials flowing down from the four shunt holes 15 can meet at the lower end of the intermediate die core 12.
Bridge piers 16 with sharp barbs and arc transition are arranged between two adjacent flow dividing holes 15 and the inner wall of the upper die cylinder 11, the upper end face of each bridge pier 16 is lower than the upper end face of the upper die cylinder 11, the arc transition is conducted to the upper die cylinder 11 to form a step 17, the side face, close to the inner wall of the upper die cylinder 11, of each flow dividing hole 15 is sequentially provided with a straight edge 151 and a bevel edge 152 along the flowing direction of the aluminum alloy raw material, and the effect of pressurizing the aluminum alloy raw material at the bottom can be achieved.
The bottom of the bridge pier 16 is in contact connection with the bowl-shaped welding chamber 22, when the aluminum alloy raw material is divided into four strands of aluminum alloy raw materials through the flow dividing holes 15, the four strands of aluminum alloy raw materials are fed into the bowl-shaped welding chamber 22, the aluminum alloy raw materials are welded in the bowl-shaped welding chamber 22 under strong pressure, and then are formed through the working belt 24 formed between the core head 13 and the die ring 23, so that a circular tube meeting technical requirements can be formed, the problem of welding seams of the aluminum tube is solved, and the problem of color difference on the surface of the aluminum tube is solved.
When the formed aluminum pipe flows out of the die, in order to reduce friction, the product can pass smoothly, and further, the surface quality is ensured, a hollow knife 25 communicated with the lower part of the inner wall of the die ring 23 is arranged at the inner center of the lower die cylinder 21 along the length direction of the lower die cylinder 21, the hollow knife 25 is in a horn shape with a small upper caliber and a large lower caliber, and the formed aluminum pipe flows out of the die from the hollow knife 25.
When the aluminum alloy material is used, the aluminum alloy material is poured from the top of the upper die 1, the aluminum alloy material is split into four through the flow dividing holes 15 and then is gathered into the bowl-shaped welding chamber 22, the aluminum alloy material is welded in the bowl-shaped welding chamber 22 under strong pressure, then the aluminum alloy material is formed through the working belt 24 formed between the core head 13 and the die ring 23, finally the aluminum alloy material flows out of the die through the empty knife 25, and the round tube meeting the technical requirements can be obtained, and the yield of aluminum tube production are improved.
Claims (6)
1. A die for improving weld joint and surface chromatic aberration of an aluminum pipe comprises an upper die (1) and a lower die (2) which are mutually matched and installed; the upper die (1) comprises an upper die cylinder (11) and a die core (12) arranged in the center of the upper die cylinder (11) along the length direction of the upper die cylinder (11); the lower die (2) comprises a lower die cylinder (21) and a bowl-shaped welding chamber (22) arranged in the center of the upper part of the lower die cylinder (21); the lower extreme of mold core (12) penetrates bowl shape seam room (22) and is provided with core print (13), its characterized in that: four split bridges (14) for supporting the mold cores (12) are uniformly arranged in the upper mold cylinder (11) along the circumferential direction of the mold cores (12), split holes (15) communicated with a bowl-shaped welding chamber (22) and used for circulating aluminum alloy raw materials are formed between two adjacent split bridges (14) and the inner wall of the upper mold cylinder (11), bridge piers (16) with sharp barb circular arc transition are arranged between the two adjacent split holes (15) and the inner wall of the upper mold cylinder (11), and the bottoms of the bridge piers (16) are in contact connection with the bowl-shaped welding chamber (22); the side surface of the shunt hole (15) close to the inner wall of the upper die cylinder (11) is sequentially provided with a straight edge (151) and a bevel edge (152) along the flowing direction of the aluminum alloy raw material.
2. The die for improving weld joint and surface chromatic aberration of aluminum pipe according to claim 1, wherein: the upper part of the side surface of the shunt bridge (14) connected to the mold core (12) is an arc (141) bent towards the side surface of the upper end of the mold core (12).
3. The die for improving weld joint and surface chromatic aberration of aluminum pipe according to claim 1, wherein: the lower end face of the shunt bridge (14) close to the lower die (2) is inclined (142) and is high close to the side of the die core (12) and close to the side bottom of the inner wall of the upper die cylinder (11).
4. The die for improving weld joint and surface chromatic aberration of aluminum pipe according to claim 1, wherein: the upper end face of the bridge pier (16) is lower than the upper end face of the upper die cylinder (11) and is in arc transition to the upper die cylinder (11) to form a step (17).
5. The die for improving weld joint and surface chromatic aberration of aluminum pipe according to claim 1, wherein: the lower part of the bowl-shaped welding chamber (22) is provided with a die ring (23), the inner wall of the die ring (23) is in a step shape with a small upper caliber and a large lower caliber, and a working belt (24) for realizing aluminum pipe molding is formed between the upper part of the inner wall of the die ring (23) and the core print (13).
6. The die for improving weld and surface chromatic aberration of aluminum pipe according to claim 5, wherein: the inner center of the lower die cylinder (21) is provided with a hollow knife (25) which is communicated with the lower part of the inner wall of the die ring (23) and used for passing through the steel pipe along the length direction of the lower die cylinder (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322181288.4U CN220591493U (en) | 2023-08-15 | 2023-08-15 | Mould for improving weld joint and surface chromatic aberration of aluminum pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322181288.4U CN220591493U (en) | 2023-08-15 | 2023-08-15 | Mould for improving weld joint and surface chromatic aberration of aluminum pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220591493U true CN220591493U (en) | 2024-03-15 |
Family
ID=90181383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322181288.4U Active CN220591493U (en) | 2023-08-15 | 2023-08-15 | Mould for improving weld joint and surface chromatic aberration of aluminum pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220591493U (en) |
-
2023
- 2023-08-15 CN CN202322181288.4U patent/CN220591493U/en active Active
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