CN216226861U - Prevent left longeron vacuum die-casting cover half mold core of flying material - Google Patents
Prevent left longeron vacuum die-casting cover half mold core of flying material Download PDFInfo
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- CN216226861U CN216226861U CN202122567295.9U CN202122567295U CN216226861U CN 216226861 U CN216226861 U CN 216226861U CN 202122567295 U CN202122567295 U CN 202122567295U CN 216226861 U CN216226861 U CN 216226861U
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- core body
- fixed die
- core
- die core
- cavity
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- 238000004512 die casting Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 title claims abstract description 19
- 239000002893 slag Substances 0.000 claims abstract description 28
- 239000003818 cinder Substances 0.000 claims 6
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a left longitudinal beam vacuum die-casting fixed die core capable of preventing flying materials. The main structure comprises a fixed die core body, a pouring channel insert, an exhaust block and the like. The runner insert is arranged at the front end of the fixed die core body, and the exhaust block is arranged at the right two ends and the rear end of the fixed die core body. A cavity is arranged in the middle of the upper end face of the fixed die core body, the front end of the cavity is communicated with an inner pouring gate, the rear end of the cavity is communicated with a plurality of slag ladles, and the slag ladles are communicated with an exhaust block through an exhaust passage. And core pulling grooves which are sunken downwards are arranged at the rear end and the left end of the fixed die core body. The up end left end undercut of cover half mold core body forms little step face, and the right-hand member is upwards protruding to form big step face, and when the mould was closed, originally straight gap became tortuous gap on the die joint, compares in straight die joint gap, and the metal liquid hardly spills over from tortuous gap to play fine flying materials effect of preventing.
Description
Technical Field
The utility model relates to a vacuum casting mold, in particular to a left longitudinal beam vacuum die-casting fixed mold core capable of preventing material flying.
Background
The traditional production mode of the left longitudinal beam of the automobile adopts channel steel punch forming, and then all parts formed by the punch forming are welded to form the left longitudinal beam assembly of the automobile. The left longitudinal beam produced by the method has poor structural strength and complex production process. The left longitudinal beam is produced by adopting the aluminum alloy vacuum die-casting process, the complex left longitudinal beam assembly structure can be integrally formed, the structural strength of the left longitudinal beam of the automobile is improved, and meanwhile, the light-weight requirement of the automobile can be met. In order to meet the light-weight requirements of high structural strength and low weight, the aluminum alloy left longitudinal beam adopts a complex reinforcing rib thin-wall structure, so that the resistance of molten metal in the process of filling a die cavity is increased, a large expansion force can be generated in the die-casting process, and flying materials are easily generated on the straight parting surface of a traditional die core, so that the die core is damaged and the quality of a die-casting piece is influenced.
Disclosure of Invention
The utility model discloses a left longitudinal beam vacuum die-casting fixed die core capable of preventing flying materials, which is characterized in that the front end of a fixed die core body is connected with a runner insert, a runner sleeve is arranged in the middle of the runner insert, and the rear end of the fixed die core body is connected with three exhaust blocks. The right end of the upper end surface of the fixed die core body is upwards convex, and the left end of the upper end surface of the fixed die core body is downwards concave. The middle of the mould is provided with a mould cavity, the front end of the mould cavity is connected with a plurality of comb-shaped inner gates, and the rear end of the mould cavity is connected with a plurality of slag ladles, so that the feeding effect can be achieved.
The runner insert is arranged at the front end of the fixed die core body, the upper end surface of the runner insert is flush with the upper end surface of the fixed die core, the upper end surface of the runner insert is flat, and the middle part of the runner insert is provided with the sprue bush. The edge of the runner insert is upwards protruded to form a step surface, and the step surface at the right end inwards extends to the fixed die core body and is connected with the big step surface which is upwards protruded at the right end of the fixed die core body. The step surface of the left end of the pouring gate insert extends to the corner of the left end of the pouring gate insert.
The inner gate is arranged at the front end of the mold cavity and is always connected to the right end from the left end of the mold cavity, so that multi-point pouring is realized. The molten metal is uniformly filled in the die cavity, and the uniform molding quality of the two ends of the left longitudinal beam is ensured.
The mold comprises a mold cavity, a mold core insert and a mold core, wherein the mold core insert is arranged in the middle of the mold cavity, molten metal enters the mold cavity from an inner gate and then directly impacts the mold core insert, and the mold core insert is more seriously worn compared with other positions in the mold cavity in the actual production process, so that the mold core insert is arranged at the position, and the mold core insert can be directly replaced after being impacted and worn by the molten metal, and the maintenance cost of the mold is reduced.
The rear end of the core insert is provided with a second core-pulling groove which is downwards concave and is used for embedding the core-pulling block, a second slag ladle is arranged on the upper end surface of the second core-pulling groove, which is close to the core insert, and the second slag ladle arranged on the position can play a good feeding role in a reinforcing rib thin-wall structure formed by the core insert. The slag ladle is communicated with the second exhaust block through an exhaust passage, the cavity can be vacuumized during pouring, and the second exhaust block is arranged in the middle of the rear end of the fixed die core body.
And a first core-pulling groove which is sunken downwards is arranged at the left end of the mold cavity and is used for embedding a core-pulling block. Two slag ladles are arranged at the position, close to the mold cavity, of the first core pulling groove, one slag ladle is arranged beside the mold cavity at the left end of the second core pulling groove, and the slag ladles are communicated with the first exhaust block through an exhaust passage. The right end of the mold cavity is provided with a slag ladle which is communicated with a third exhaust block through an exhaust passage, and the third exhaust block is arranged at the right end of the fixed mold core body.
The left end of the upper end surface of the fixed die core is sunken downwards, a small step surface is formed on the periphery of the upper end surface of the fixed die core, the right end of the upper end surface of the fixed die core is protruded upwards, and a large step surface is formed on the periphery of the upper end surface of the fixed die core. And a cavity, a slag ladle, an exhaust passage and an inner pouring gate on the fixed die core are all enclosed in an enclosure surrounded by the large step surface and the small step surface. When the movable mould and the fixed mould are assembled, originally straight gaps on the parting surfaces of the movable mould core and the fixed mould core are changed into zigzag gaps, and molten metal is difficult to overflow from the zigzag gaps during pouring, so that flying materials are avoided to a great extent.
Drawings
FIG. 1 is a top view of a mold core of a fixed mold for vacuum die casting of a left longitudinal beam for preventing flying materials, which is disclosed by the utility model; FIG. 2 is a perspective view of a mold core of a left longitudinal beam vacuum die-casting fixed mold for preventing flying materials according to the utility model; FIG. 3 is a die core block of the left longitudinal beam vacuum die-casting fixed die for preventing flying materials according to the utility model.
The labels in the figures show: 1-sprue bush, 2-runner insert, 3-fixed die core body, 4-cavity, 51-first loose core groove, 52-second loose core groove, 61-first exhaust block, 62-second exhaust block, 63-third exhaust block, 7-die core insert, 81-large step surface, 82-small step surface, 91-first slag ladle, 92-second slag ladle, 93-third slag ladle and 10-inner sprue.
Detailed Description
The following detailed description of the embodiments of the utility model is provided in conjunction with the accompanying drawings.
As shown in the attached figure 1, the pouring gate insert 2 is arranged at the front end of the fixed die core body 3, the pouring gate sleeve 1 is arranged in the middle of the pouring gate insert 2, and the first exhaust block 61, the second exhaust block 62 and the third exhaust block 63 are arranged at the rear end of the fixed die core body 3. The middle part of the upper end surface of the fixed die core body 3 is provided with a cavity 4, the front end of the cavity 4 is communicated with an inner pouring gate 10 to form multi-point pouring, and the rear end of the cavity is connected with a first slag ladle 91, a second slag ladle 92 and a third slag ladle 93 to play a role in feeding. The left end of the upper end surface of the fixed die core body 3 is sunken downwards, and the right end of the upper end surface of the fixed die core body is raised upwards.
The upper end surface of the pouring gate insert 2 is flush with the upper end surface of the fixed die core body 3, the upper end surface of the pouring gate insert 2 is flat, and a pouring gate sleeve 4 is arranged in the middle. The outer edge of the pouring gate insert 2 protrudes upwards to form a pouring gate step surface 201, and the right end of the pouring gate step surface extends towards the inside of the fixed die core body 3 and is connected with a large step surface 81 protruding upwards at the right end of the fixed die core body 3. The left end of the runner step surface 201 extends to the corner of the runner insert.
The inner pouring gate 10 is arranged on the upper end surface of the fixed die core body 3, is communicated with the front end of the cavity 4 and extends from the left end to the right end of the cavity 4. And multi-point pouring is realized, so that the molten metal can be uniformly filled in the die cavity 4, and the forming quality of each part of the die-casting product is ensured.
The mold is characterized in that the mold cavity 4 is provided with a detachable mold core insert 7 in the middle, and molten metal directly impacts the mold core insert 7 after entering the mold cavity from the inner gate 10, so that the mold core insert 7 is easily abraded in actual production. The runner insert 7 is arranged at the position and can be directly replaced when the abrasion is excessive, so that the maintenance cost of the die is reduced.
And a second core pulling groove 52 which is sunken downwards is formed in the rear end of the upper end surface of the fixed die core body 3 and is used for embedding a core pulling block. The second core pulling groove 52 extends to the position of the core insert 7 towards the middle part of the fixed die core body 3, and a second slag ladle 92 is arranged on the upper end surface of the second core pulling groove 52 close to the cavity, so that a reinforcing rib thin-wall structure formed by the core insert 7 can be well fed. The second slag ladle 92 is communicated with the second exhaust block 62 through an exhaust passage, and the second exhaust block 62 is arranged at the rear end of the fixed die core body 3.
The left end of the upper end surface of the fixed die core body 3 is provided with a first core pulling groove 51 which is sunken downwards and used for embedding a core pulling block. The first core pulling groove 51 extends to the left end of the cavity 4 towards the middle part of the fixed die core body. Two first slag ladles 91 are arranged at the position, close to the cavity 4, of the upper surface of the first core pulling groove 51, and one first slag ladle 91 is arranged at the left end of the cavity 4. The first slag ladles 91 are communicated with a first exhaust block 61 through exhaust passages, and the first exhaust block 61 is arranged at the left end of the fixed die core body 3. And a third slag ladle 93 is arranged at the right end of the cavity 4 close to the second exhaust block 62 and is communicated with the third exhaust block 63 through an exhaust passage. The third exhaust block 63 is arranged at the right end of the fixed die core body 3.
The left end of the upper end surface of the fixed die core body 3 is sunken downwards, and a small step surface 82 is formed on the outer edge of the left end of the upper end surface of the fixed die core body 3. The right end is protruded upwards, and a large step surface 81 is formed on the outer edge of the right end of the upper end surface of the fixed die core body 3. The die cavity 4, the inner gate 10, the first slag ladle 91, the second slag ladle 92, the third slag ladle 93 and the die core block 7 which are arranged on the upper end surface of the fixed die core body 3 are all enclosed in an enclosure formed by the large step surface 81 and the small step surface 82. When the movable mold core and the fixed mold core are closed, the originally straight gap on the parting surface is changed into a zigzag gap. Compared with a straight parting surface gap, the metal liquid is difficult to overflow from a zigzag gap, so that the good material flying prevention effect is achieved.
Claims (7)
1. The utility model provides a left longeron vacuum die-casting cover half mold core of preventing flying material, its characterized in that cover half mold core body (3) front end links to each other with watering insert (2), the rear end links to each other with three exhaust piece, the up end left end undercut of cover half mold core body (3), the right-hand member is upwards protruding, big step face (81) and little step face (82) around cover half mold core up end off-plate edge have been formed, set up die cavity (4) in the up end middle part of cover half mold core body (3), die cavity (4) front end and interior runner (10) intercommunication, the rear end communicates with a plurality of cinder ladles, these cinder ladles pass through exhaust passage and exhaust piece intercommunication, still be provided with first recess of loosing core (51) and second recess of loosing core (52) of undercut simultaneously at the rear end and the left end of cover half mold core body (3).
2. The left longitudinal beam vacuum die-casting fixed die core capable of preventing flying materials according to claim 1, which is characterized in that the pouring insert (2) is arranged at the front end of the fixed die core body (3), the upper end surfaces of the pouring insert and the fixed die core body are flush, the middle part of the pouring insert (2) is provided with the sprue bush (1), the upper end surface of the pouring insert (2) is straight, the outer edge of the pouring insert protrudes upwards to form a pouring step surface (201), the right end of the pouring step surface (201) extends into the fixed die core body (3) and is connected with a large step surface (81) at the right end of the fixed die core body (3), and the left end of the pouring step surface (201) extends to the corner of the pouring insert (2).
3. The mould core of the left longitudinal beam vacuum die casting fixed mould for preventing the flying materials according to claim 1, which is characterized in that an inner pouring gate (10) arranged on the upper end surface of the fixed mould core body (3) is communicated with the front end of the cavity (4), and the inner pouring gate (10) extends from the left end to the right end of the cavity (4).
4. The mould core of the left longitudinal beam vacuum die-casting fixed mould capable of preventing the flying materials according to claim 1, which is characterized in that a removable core block (7) is arranged in the middle of the mould cavity (4), and the core block (7) which is excessively worn can be directly replaced.
5. The left longitudinal beam vacuum die-casting fixed die core capable of preventing flying materials as claimed in claim 1, wherein a second core-pulling groove (52) which is concave downwards and used for embedding the core-pulling block is arranged at the rear end of the fixed die core body (3), a second slag ladle (92) is arranged on the upper end surface of the second core-pulling groove (52) close to the core block (7) and communicated with a second exhaust block (62) through an exhaust passage, and the second exhaust block (62) is arranged at the rear end of the fixed die core body (3).
6. The left longitudinal beam vacuum die-casting fixed die core capable of preventing flying materials as claimed in claim 1, wherein a first core-pulling groove (51) which is recessed downwards is formed in the left end of the fixed die core body (3) and used for embedding a core-pulling block, two first cinder ladles (91) are arranged on the upper end face of the first core-pulling groove (51) close to the left end of the die cavity (4), another first cinder ladle (91) is arranged on the upper end face of the fixed die core body (3) beside, the cinder ladles are communicated with the first exhaust block (61) through an exhaust passage, the first exhaust block (61) is arranged at the left end of the fixed die core body (3), a third cinder ladle (93) is arranged on the right end of the die cavity (4) close to the second exhaust block (62), and is communicated with a third exhaust block (63) located at the right end of the fixed die core body (3) through the exhaust passage.
7. The left longitudinal beam vacuum die-casting fixed die core capable of preventing flying materials according to claim 1, characterized in that the left end of the upper end surface of the fixed die core body (3) is concave downwards, and the right end is convex upwards to form a small step surface (82) and a large step surface (81) which surround the outer edge of the upper end surface of the fixed die core body (3), and a cavity (4), a slag ladle, an exhaust passage and an inner pouring gate (10) on the fixed die core body (3) are all surrounded in a surrounding way which is formed by the large step surface (81) and the small step surface (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122567295.9U CN216226861U (en) | 2021-10-25 | 2021-10-25 | Prevent left longeron vacuum die-casting cover half mold core of flying material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122567295.9U CN216226861U (en) | 2021-10-25 | 2021-10-25 | Prevent left longeron vacuum die-casting cover half mold core of flying material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216226861U true CN216226861U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122567295.9U Expired - Fee Related CN216226861U (en) | 2021-10-25 | 2021-10-25 | Prevent left longeron vacuum die-casting cover half mold core of flying material |
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|---|---|
| CN (1) | CN216226861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815568A (en) * | 2022-12-06 | 2023-03-21 | 杭州合立机械有限公司 | Battery pack mold and processing method thereof |
-
2021
- 2021-10-25 CN CN202122567295.9U patent/CN216226861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815568A (en) * | 2022-12-06 | 2023-03-21 | 杭州合立机械有限公司 | Battery pack mold and processing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220408 |