CN213997738U - Secondary divides mould to remove runner die casting die - Google Patents
Secondary divides mould to remove runner die casting die Download PDFInfo
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- CN213997738U CN213997738U CN202021751143.3U CN202021751143U CN213997738U CN 213997738 U CN213997738 U CN 213997738U CN 202021751143 U CN202021751143 U CN 202021751143U CN 213997738 U CN213997738 U CN 213997738U
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- 238000004512 die casting Methods 0.000 title claims abstract description 43
- 238000005266 casting Methods 0.000 claims abstract description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000007547 defect Effects 0.000 abstract description 2
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model discloses a secondary divides mould to remove runner die casting die. The device comprises a first fixed die side assembly, a second fixed die side assembly and a movable die side assembly; the first fixed die side component comprises a first fixed die frame and a first die core; the second fixed die side assembly comprises a second fixed die frame and a second die core; the movable mould side component comprises a movable mould frame and a third mould core; a pouring channel communicated with the material cylinder is arranged between the first mold core and the second mold core; a sliding block connected with the oil cylinder is arranged between the first fixed die frame and the second fixed die frame, and the front end of the sliding block is provided with an inclined wedge cutter; and a casting cavity matched with the shape of the casting is arranged on the second mold core and between the second mold core and the third mold core, the casting cavity is communicated with the pouring channel, and molten aluminum can be pressed into the casting through the pouring channel to form the casting. The secondary die-splitting die can overcome the defect of unsmooth transfer of the die-casting pressure in the original design scheme by utilizing the structure of the casting, improve the qualification rate of the casting and the continuity of die-casting production, and reduce the die-casting production cost and the human resource consumption.
Description
Technical Field
The utility model belongs to the technical field of die-casting production, a die casting die structure that is used for continuous die-casting production because of the special construction foundry goods (being difficult to improve the gas pocket problem), concretely relates to secondary divides mould to remove runner die casting die.
Background
Some types of die-casting products have a relatively sharp and thin wall thickness at the top end (such as the part circled by a thick ellipse at the top in fig. 1), the size requirement of the air holes (casting local air holes) at the wall thickness is high, the conventional scheme is to adopt a die which is poured from the bottom side part of a casting cavity (such as the arrow shown in fig. 2) and is divided at one time, but in the actual die-casting production process, the pressure of molten aluminum is difficult to be transferred to the sharp and thin wall thickness at the top end of the casting (such as the part circled in fig. 1), and the feeding is ineffective; the problem of air holes (thermal shrinkage) at the sharp and thin wall thickness of the top end of the casting (such as the part of a thickened oval ring at the top in fig. 1) is difficult to completely solve through the control of the extrusion process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a secondary that can solve the problem that the local gas pocket of foundry goods that leads to according to conventional scheme design can not satisfy the customer requirement and divide the mould to remove runner die casting die.
The technical idea of the utility model is as follows: due to the structural limitation of the die-casting products, the requirements of the die-casting products on air holes cannot be met according to the conventional feeding form; in order to meet the air hole requirement of the die-casting product, the inlet gate is required to be arranged at the sharp and thin wall thickness part close to the top end of the casting, but the die-casting product is difficult to split. In order to solve the mold splitting problem, the mold can be designed into a secondary mold splitting mode.
The technical scheme of the utility model as follows:
a secondary die-splitting gate-removing die-casting die comprises a first fixed die side component, a second fixed die side component and a movable die side component; the first fixed die side assembly comprises a first fixed die frame and a first die core fixedly arranged on the first fixed die frame; the second fixed die side assembly comprises a second fixed die frame and a second die core fixedly arranged on the second fixed die frame; the movable mould side assembly comprises a movable mould frame and a third mould core fixedly arranged on the movable mould frame; a pouring channel communicated with the material cylinder is arranged between the first mold core and the second mold core; two slide block guide plates which are vertically arranged side by side and a slide block assembly which can slide up and down in the grooves of the two slide block guide plates are arranged at the upper part between the first fixed die frame and the second fixed die frame; the upper end of the sliding block component is connected with a piston rod of the oil cylinder, and an inclined wedge knife is arranged below the sliding block component; and casting cavities matched with the shape of the casting are arranged on the second mold core and between the second mold core and the third mold core, the casting cavities are communicated with the pouring channel, and molten aluminum can be pressed in through the pouring channel to form the casting.
Furthermore, a guide pressure plate which plays a role of guiding the movement direction of the inclined wedge knife is arranged at the middle upper part between the first fixed die frame and the second fixed die frame; the guide pressure plate is positioned right below the two slide block guide plates, the slide block assembly and the inclined wedge knife; the inclined wedge knife passes through the guide hole of the guide pressure plate.
Furthermore, two inclined wedge knives are arranged below the sliding block assembly side by side, the upper ends of the two inclined wedge knives are fixedly installed in the sliding block assembly, and the lower parts of the two inclined wedge knives respectively penetrate through the two guide holes of the guide pressure plate.
Furthermore, the two slide block guide plates are fixedly arranged on the second fixed die frame and are positioned on the second fixed die frame and close to the upper part of the first fixed die frame side.
Furthermore, the guide pressure plate is fixedly arranged on the second fixed die frame and is positioned on the second fixed die frame close to the middle upper part of the first fixed die frame side.
Furthermore, the guide pressure plate is fixedly arranged on the second die holder through screws.
Furthermore, the two slide block guide plates are fixedly arranged on the second fixed die frame through screws.
Furthermore, a thimble is arranged on a movable mould frame of the movable mould side component, so that a casting formed by die casting can be ejected out.
Furthermore, a cooling water pipe is arranged on the movable mould frame of the movable mould side assembly and can be used for cooling and solidifying the aluminum liquid.
The utility model has the advantages that:
the utility model provides a die casting die structure different with the mould of mould is once divided to conventionality, a secondary divides mould to remove runner die casting die promptly, can solve the problem that the local gas pocket of foundry goods that leads to according to conventional scheme design can not satisfy the customer requirement. In other words, the utility model discloses a secondary divides mould to remove runner die casting die structure through the structure that utilizes foundry goods itself, solves the not smooth defect of former design scheme middling pressure transmission fundamentally to improve the qualification rate of this type of foundry goods and the continuity of die-casting production, the cost of the die-casting production that significantly reduces and the consumption of manpower resources.
Drawings
FIG. 1 is a schematic illustration of a die cast product of the prior art type;
fig. 2 is a prior art one-shot mold split pouring scheme: a schematic view of pouring from the bottom side of the casting cavity;
FIG. 3 is a schematic structural view of the secondary mold parting and degating die casting mold of the present invention;
FIG. 4 is a schematic view of the first opening of the secondary mold-splitting, sprue-removing and die-casting mold of the present invention;
FIG. 5 is a schematic view of a secondary parting degating die-casting mold cutting runner of the present invention;
FIG. 6 is a schematic view of the second opening of the secondary die-parting and degating die-casting mold of the present invention;
FIG. 7 is a schematic view of the ejection of a secondary parting degating die casting of the present invention;
fig. 8 is a schematic structural view (i.e., a left side view of a right half portion of fig. 4) of the present invention in which the guide platen 9 and the slider guide 11 are fixedly mounted on the second stationary mold frame (the stationary mold frame 2);
FIG. 9 is a schematic top view of the structure of FIG. 8;
FIG. 10 is a schematic bottom view of the structure of FIG. 8;
FIG. 11 is a schematic view of the inclined wedge 8 of FIG. 8 moving downward to cut the runner 10.
The figure is marked with: 1. the casting mould comprises a first fixed mould side component 2, a second fixed mould side component 3, a movable mould side component 4, a casting cavity 5, a sliding block component 6, a thimble 7, a cooling water pipe 8, a slanting wedge 9, a guide pressure plate 10, a pouring channel 11, a sliding block guide plate 12, a material cylinder 13, a first fixed mould base 14, a second fixed mould base 15, a movable mould base 16, a first mould core 17, a second mould core 18, a third mould core 19, a casting 20, a second mould splitting position 21, a first mould splitting position
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Examples
As shown in fig. 3, the utility model relates to a secondary die parting and gate removing die casting die, which comprises a first fixed die side component 1, a second fixed die side component 2 and a movable die side component 3; the first sizing side assembly 1 comprises a first sizing frame 13 and a first mold core 16 fixedly arranged on the first sizing frame 13; the second fixed mold side assembly 2 comprises a second fixed mold frame 14 and a second mold core 17 fixedly arranged on the second fixed mold frame 14; the movable mold side component 3 comprises a movable mold frame 15 and a third mold core 18 fixedly arranged on the movable mold frame 15; a pouring channel 10 communicated with the material cylinder 12 is arranged between the first mold core 16 and the second mold core 17; two slide block guide plates 11 which are vertically arranged side by side and a slide block assembly 5 which can slide up and down in the grooves of the two slide block guide plates 11 are arranged at the upper part between the first fixed die frame 13 and the second fixed die frame 14; the upper end of the sliding block component 5 is connected with a piston rod of the oil cylinder, and an inclined wedge knife 8 is arranged below the sliding block component 5; and a casting cavity 4 matched with the shape of the casting is arranged on the second mold core 17 and between the second mold core 17 and the third mold core 18, the casting cavity 4 is communicated with the pouring channel 10, and molten aluminum can be pressed in through the pouring channel 10 to form a casting 19. The ejector pin 6 is provided on the movable mold frame 15 of the movable mold side assembly 3, and can eject the die-cast casting 19. And a cooling water pipe 7 is also arranged on the movable mould frame 15 of the movable mould side component 3 and used for cooling and solidifying the aluminum liquid.
As shown in fig. 8 and 9, the left and right sides of the slider assembly 5 are respectively provided with a slider guide plate 11, and the lower slider assembly 5 is driven by the oil cylinder to slide in the groove of the slider guide plate 11. The two slide guide plates 11 are fixedly mounted on the second fixed mold frame 14 (by screws) and are positioned on the upper portion of the second fixed mold frame 14 close to the first fixed mold frame 13 side. Two inclined wedges 8 are fixedly arranged below the sliding block component 5 side by side. Two inclined wedge knives 8 are arranged below the sliding block component 5 side by side, the upper ends of the two inclined wedge knives 8 are fixedly installed in the sliding block component 5, and the lower parts of the two inclined wedge knives 8 respectively penetrate through two guide holes of the guide pressure plate 9.
As shown in fig. 8 and 10, a guide pressing plate 9 for guiding the moving direction of the slanting wedge 8 is provided at the middle upper part between the first fixed die frame 13 and the second fixed die frame 14; the guide pressure plate 9 is positioned right below the two slide block guide plates 11, the slide block assembly 5 and the inclined wedge knife 8; the guide pressure plate 9 is fixedly arranged on the second fixed die frame 14 (by screws) and is positioned at the middle upper part of the second fixed die frame 14 close to the first fixed die frame 13 side; the inclined wedge 8 passes through a guide hole of the guide pressure plate 9.
As shown in FIG. 11, the inclined wedge 8 is moved downward to cut the runner 10 and then falls as shown in FIG. 8.
The utility model discloses a runner die casting die is removed to secondary branch mould, carries out the action of continuous die-casting production as follows:
1. clamped state (see fig. 3): the oil cylinder is at an initial position, and the inclined wedge knife 8 at the front end of the sliding block connected with the oil cylinder retreats to the outside of the range of the first mold core 16.
2. First opening the mold (see fig. 4): after molten aluminum is pressed into the mold from the material cylinder 12 through the pouring channel 10 and the molten aluminum is cooled and solidified, the first fixed mold side assembly 1 is separated from the rest parts of the mold (the second fixed mold side assembly 2 and the movable mold side assembly 3) by a certain distance at the first mold splitting position 21 (when the second fixed mold side assembly 2 and the movable mold side assembly 3 are not separated yet): the purpose is to prepare for cutting off the material cake and the pouring gate by the inclined wedge knife and avoid the material cake and the pouring gate to be cut off, thereby facilitating the recovery of aluminum materials;
3. cut off the runner (see fig. 5): then the oil cylinder pushes the inclined wedge knife 8 to stably cut off the material cake and the pouring gate part with the help of the guide pressure plate 9 and then fall and recover;
4. second opening of the mold (see fig. 6): at this time, the second stationary mold side assembly 2 is partially separated from the rest of the mold (the first movable mold side assembly 1) at the second mold parting position 20, and moves to the mold opening position (this is the second mold opening) together with the first stationary mold side assembly 1 (keeping the distance at the time of the first mold opening) to wait for the removal of the mold.
5. Casting ejection (see fig. 7): the casting 19 is separated from the movable mould side component 3 in the pushing process of the ejector pin 6 on the movable mould side component 3, and then the casting is taken out through a mechanical arm.
6. Mold reset (see fig. 3): finally, the inclined wedge knife 8 (inclined cutter) is retreated to the initial state; and simultaneously, the die is also reset to a die closing state, so that preparation is made for the die casting production of the next die casting.
Claims (9)
1. A secondary die-splitting gate-removing die-casting die is characterized by comprising a first fixed die side component, a second fixed die side component and a movable die side component; the first fixed die side assembly comprises a first fixed die frame and a first die core fixedly arranged on the first fixed die frame; the second fixed die side assembly comprises a second fixed die frame and a second die core fixedly arranged on the second fixed die frame; the movable mould side assembly comprises a movable mould frame and a third mould core fixedly arranged on the movable mould frame; a pouring channel communicated with the material cylinder is arranged between the first mold core and the second mold core; two slide block guide plates which are vertically arranged side by side and a slide block assembly which can slide up and down in the grooves of the two slide block guide plates are arranged at the upper part between the first fixed die frame and the second fixed die frame; the upper end of the sliding block component is connected with a piston rod of the oil cylinder, and an inclined wedge knife is arranged below the sliding block component; and casting cavities matched with the shape of the casting are arranged on the second mold core and between the second mold core and the third mold core, the casting cavities are communicated with the pouring channel, and molten aluminum can be pressed in through the pouring channel to form casting cakes.
2. The secondary die-parting degating die-casting die as claimed in claim 1, wherein a guide pressing plate for guiding the movement direction of the slanting wedge is provided at the middle upper part between the first fixed die frame and the second fixed die frame; the guide pressure plate is positioned right below the two slide block guide plates, the slide block assembly and the inclined wedge knife; the inclined wedge knife passes through the guide hole of the guide pressure plate.
3. The secondary die-parting degating die-casting die as claimed in claim 1, wherein two slanting wedge knives are arranged side by side below the sliding block assembly, the upper ends of the two slanting wedge knives are fixedly installed in the sliding block assembly, and the lower parts of the two slanting wedge knives respectively penetrate through the two guide holes of the guide pressure plate.
4. The double split degating die casting mold as claimed in claim 1, 2 or 3, wherein the two slide guide plates are fixedly mounted on the second die carrier at an upper portion of the second die carrier adjacent to the side of the first die carrier.
5. The secondary parting degating die-casting mold as claimed in claim 2 or 3, wherein the guiding pressure plate is fixedly mounted on the second stationary mold frame at a middle upper portion of the second stationary mold frame near the first stationary mold frame side.
6. The secondary parting degating die casting mold as claimed in claim 5, wherein the guide platen is fixedly mounted on the second set mold frame by means of screws.
7. The secondary parting degating die casting mold as claimed in claim 4, wherein the two slide guide plates are fixedly mounted on the second stationary mold frame by screws.
8. The double-split degating die-casting mold as claimed in claim 1, 2 or 3, wherein the ejector pins are provided on the movable mold frame of the movable mold side assembly for ejecting the die-cast casting.
9. The double-split degating die-casting mold as claimed in claim 1, 2 or 3, wherein a cooling water pipe is further provided on the movable mold frame of the movable mold side assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021751143.3U CN213997738U (en) | 2020-08-20 | 2020-08-20 | Secondary divides mould to remove runner die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021751143.3U CN213997738U (en) | 2020-08-20 | 2020-08-20 | Secondary divides mould to remove runner die casting die |
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| Publication Number | Publication Date |
|---|---|
| CN213997738U true CN213997738U (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021751143.3U Active CN213997738U (en) | 2020-08-20 | 2020-08-20 | Secondary divides mould to remove runner die casting die |
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| Country | Link |
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| CN (1) | CN213997738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118023495A (en) * | 2024-01-17 | 2024-05-14 | 宁波嘉日汽车零部件有限公司 | Die casting die for producing new energy gearbox power system |
-
2020
- 2020-08-20 CN CN202021751143.3U patent/CN213997738U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118023495A (en) * | 2024-01-17 | 2024-05-14 | 宁波嘉日汽车零部件有限公司 | Die casting die for producing new energy gearbox power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 818 Fulian Road, Baoshan District, Shanghai 201900 Patentee after: Xudong Automotive Technology (Shanghai) Co.,Ltd. Country or region after: China Address before: 818 Fulian Road, Baoshan District, Shanghai 201900 Patentee before: KYOKUTO DIE CASTING(SHANGHAI) CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |