CN219805361U - Die casting die with locking device for arc core pulling - Google Patents
Die casting die with locking device for arc core pulling Download PDFInfo
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- CN219805361U CN219805361U CN202320825652.3U CN202320825652U CN219805361U CN 219805361 U CN219805361 U CN 219805361U CN 202320825652 U CN202320825652 U CN 202320825652U CN 219805361 U CN219805361 U CN 219805361U
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- die
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- 238000004512 die casting Methods 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 238000003825 pressing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model relates to a die-casting die with an arc core-pulling locking device, and belongs to the field of die-casting dies. The utility model comprises an upper die frame, a lower die frame and a die core, wherein the upper die frame is matched with the lower die frame, and the die core is arranged between the upper die frame and the lower die frame, and the structure is characterized in that: the core pulling machine comprises a core pulling machine frame, a lower die frame, a driving mechanism, a locking mechanism, a core pulling rack and a driving rack, wherein the core pulling rack is connected with the lower die frame, the driving rack is connected with the core pulling rack, the core pulling mechanism is arranged on the core pulling rack, the driving mechanism is arranged on the driving rack, a die core is connected with the core pulling mechanism, the core pulling mechanism is connected with the driving mechanism, the locking mechanism is arranged on the upper die frame, and the locking mechanism is matched with the die core and the core pulling mechanism. The driving mechanism can be changed from linear motion to arc motion through the core pulling mechanism, so that core pulling is performed on the die casting arranged in an arc shape.
Description
Technical Field
The utility model relates to a die-casting die with an arc core-pulling locking device, and belongs to the field of die-casting dies.
Background
At present, an oil cylinder or an inclined top is mostly adopted for the positioning mode of the arc core-pulling die casting forming die to reset the die core, and the die core is easy to displace after the pressure is applied by the die casting machine in the die casting process of the product by adopting the method, so that the later-stage wall thickness of the product is inconsistent or a large amount of flash is generated on the product, the production efficiency is low for the mass production of the structural parts of the bending die, the product is easy to scrap in batches, and the die-casting die is not suitable for mass production.
Because die casting is the arc structure setting, therefore the motion track at the in-process of loosing core is the arc, and arc resistance of loosing core is big, needs to match large-scale hydro-cylinder, and at the in-process of loosing core sometimes even directly breaks with the drive connecting rod, and the side needs hydro-cylinder to drive the mold core when loosing core to the arc product at present, adopts the clamp plate to push down the slider under the general circumstances, then drives the mode of loosing core through sliding friction, because sliding friction resistance is big, consequently also leads to drive connecting rod fracture easily at the in-process of loosing core.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the die casting die with the arc core-pulling belt locking device, which is reasonable in structural design.
The utility model solves the problems by adopting the following technical scheme: this arc takes locking device's die casting die of loosing core includes mould frame, lower mould frame and mold core, go up mould frame and lower mould frame cooperation, the mold core sets up between last mould frame and lower mould frame, its structural feature lies in: the core pulling machine comprises a core pulling machine frame, a lower die frame, a driving mechanism, a locking mechanism, a core pulling rack and a driving rack, wherein the core pulling rack is connected with the lower die frame, the driving rack is connected with the core pulling rack, the core pulling mechanism is arranged on the core pulling rack, the driving mechanism is arranged on the driving rack, a die core is connected with the core pulling mechanism, the core pulling mechanism is connected with the driving mechanism, the locking mechanism is arranged on the upper die frame, and the locking mechanism is matched with the die core and the core pulling mechanism. The driving mechanism can be changed from linear motion to arc motion through the core pulling mechanism, so that core pulling is performed on the die casting arranged in an arc shape.
Further, the core pulling mechanism comprises a core pulling sliding block, a core pulling sliding groove and a ball structure, wherein the core pulling sliding grooves are formed in the lower die frame and the core pulling frame, the core pulling sliding block is arranged in the core pulling sliding groove in a sliding mode through the ball structure, and the die core is connected with the core pulling sliding block. The core-pulling sliding groove is arranged in an arc-shaped structure, the core-pulling sliding block slides in the core-pulling sliding groove, the movement track of the core-pulling sliding block is arc-shaped, and the core-pulling sliding block moves along the core-pulling sliding groove so as to drive the mold core to complete the core-pulling process.
Further, the ball structure comprises a ball, a ball retainer and a ball sliding block, wherein the ball is arranged in the ball retainer, one side of the ball is in contact with the ball sliding block, the other side of the ball is in contact with a core pulling sliding groove, and the core pulling sliding block is arranged on the ball sliding block. Friction can be reduced by providing a ball structure.
Further, the ball retainer and the ball sliding block are arranged in the core-pulling sliding groove through the ball sliding block pressing plate, and the ball sliding block and the ball retainer are arranged in a sliding manner relatively. The ball retainer is fixed in the core pulling process, and the ball sliding block is movable.
Further, a ball limiting groove is formed in the core pulling sliding groove, a ball limiting hole is formed in the ball sliding block, and two sides of the ball are respectively arranged in the ball limiting groove and the ball limiting hole. One side of the ball is always embedded in the ball limiting hole in the core pulling process, and the other side of the ball slides in the ball limiting groove to realize the movement track of the ball.
Further, the driving mechanism comprises a driving oil cylinder, a driving sliding rail, a driving sliding block and a driving connecting rod, wherein the driving sliding rail is arranged on the driving rack, the driving sliding block is arranged on the driving sliding rail, one end of the driving connecting rod is connected with the driving sliding block, the other end of the driving connecting rod is connected with the core-pulling sliding block, a cylinder barrel of the driving oil cylinder is arranged on the driving rack, and a piston rod of the driving oil cylinder is connected with the driving sliding block. The driving sliding block can be driven to move in the driving sliding rail through the driving oil cylinder, and the driving connecting rod is driven to move through the driving sliding block, so that the core pulling process is realized.
Further, the locking mechanism comprises a first locking block and a second locking block, and the first locking block and the second locking block are arranged on the upper die frame.
Further, the first locking block is clamped with the mold core, and the second locking block is clamped with the core-pulling sliding block. The mold core and the core pulling sliding block can be locked through the first locking block and the second locking block respectively, so that the mold can be prevented from being expanded in the high-pressure aluminum casting process, and the mold core is not accurate in position size.
Compared with the prior art, the utility model has the following advantages: on the premise of not changing the pushing direction of the driving oil cylinder, the movement track of the mold core is changed by arranging the core-pulling sliding block and the core-pulling sliding groove which are arc-shaped structures, so that the core-pulling process is realized.
Through setting up first latch segment and second latch segment on last die frame can be after the compound die, fix a position mold core and loose core slider respectively, can prevent the mould at the in-process of high pressure casting aluminium, expand the mold core, lead to the size of mold core position not accurate enough.
The ball structure through setting up can be with loose core slider and loose core spout by sliding friction change in order to rolling friction, reducible arc drag of loosing core, avoid the drive connecting rod fracture, increased the life of mould.
Through the rotation connection of the two ends of the driving connecting rod with the driving sliding block and the core-pulling sliding block, the core-pulling track can be changed into an arc shape so as to be matched with a die casting arranged in an arc structure to finish core pulling when the telescopic rod of the driving oil cylinder moves along the linear direction.
Drawings
Fig. 1 is a schematic perspective view of a die casting mold with a locking device for arc core pulling according to an embodiment of the present utility model.
Fig. 2 is an exploded view of a die casting mold with a locking device for arc core pulling according to an embodiment of the present utility model.
Fig. 3 is a schematic perspective view of a die casting mold (with an upper mold frame removed) with a locking device for arc-shaped core pulling according to an embodiment of the present utility model.
Fig. 4 is a schematic perspective view of a die casting mold (with upper and lower mold frames removed) with a locking device for arc-shaped core pulling according to an embodiment of the present utility model.
Fig. 5 is a schematic perspective view of a die casting mold (with upper and lower mold frames removed) with a locking device for arc-shaped core pulling according to an embodiment of the present utility model.
Fig. 6 is a schematic perspective view of an upper mold frame and a core pulling frame according to an embodiment of the present utility model.
Fig. 7 is an exploded view of the upper mold frame and the core pulling frame according to the embodiment of the present utility model.
Fig. 8 is an exploded view of the upper mold frame and the core pulling frame according to the embodiment of the present utility model.
Description of the reference numerals: the upper die frame 1, the lower die frame 2, the core pulling mechanism 3, the driving mechanism 4, the locking mechanism 5, the core pulling frame 6, the driving frame 7, the die core 8, the die casting 9,
Core-pulling slide block 31, core-pulling slide groove 32, ball 33, ball retainer 34, ball slide block 35, ball slide block pressing plate 36, ball limit groove 37, ball limit hole 38,
A driving cylinder 41, a driving sliding rail 42, a driving sliding block 43, a driving connecting rod 44,
A first locking block 51, a second locking block 52.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
Examples
Referring to fig. 1 to 8, it should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are shown only for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the applicable limitations of the present utility model, so that any structural modification, change in proportion, or adjustment of size does not have any technical significance, and all fall within the scope of the technical content of the present utility model without affecting the efficacy and achievement of the present utility model. In the meantime, if the terms such as "upper", "lower", "left", "right", "middle" and "a" are used in the present specification, they are merely for convenience of description, but are not intended to limit the scope of the present utility model, and the relative relation changes or modifications are considered to be within the scope of the present utility model without substantial modification of the technical content.
The die casting die with the locking device comprises an upper die frame 1, a lower die frame 2, a core pulling mechanism 3, a driving mechanism 4, a locking mechanism 5, a core pulling frame 6, a driving frame 7 and a die core 8, wherein the upper die frame 1 is matched with the lower die frame 2, the die core 8 is arranged between the upper die frame 1 and the lower die frame 2, the core pulling frame 6 is connected with the lower die frame 2, the driving frame 7 is connected with the core pulling frame 6, the core pulling mechanism 3 is arranged on the core pulling frame 6, the driving mechanism 4 is arranged on the driving frame 7, the die core 8 is connected with the core pulling mechanism 3, the core pulling mechanism 3 is connected with the driving mechanism 4, the locking mechanism 5 is arranged on the upper die frame 1, and the locking mechanism 5 is matched with the die core 8 and the core pulling mechanism 3.
The core pulling mechanism 3 in the embodiment comprises a core pulling sliding block 31, a core pulling sliding groove 32 and a ball structure, wherein the core pulling sliding groove 32 is arranged on the lower die frame 2 and the core pulling frame 6, the core pulling sliding block 31 is arranged in the core pulling sliding groove 32 in a sliding manner through the ball structure, and the die core 8 is connected with the core pulling sliding block 31.
The ball structure in this embodiment includes a ball 33, a ball holder 34 and a ball slider 35, the ball 33 is disposed in the ball holder 34, one side of the ball 33 contacts the ball slider 35, the other side of the ball 33 contacts the core-pulling chute 32, that is, a ball limit groove 37 is disposed in the core-pulling chute 32, a ball limit hole 38 is disposed on the ball slider 35, and two sides of the ball 33 are disposed in the ball limit groove 37 and the ball limit hole 38, respectively.
The core-pulling slide block 31 in the present embodiment is provided on a ball slide block 35, the ball holder 34 and the ball slide block 35 are provided in the core-pulling slide groove 32 by a ball slide block pressing plate 36, and the ball slide block 35 and the ball holder 34 are provided to slide relatively.
The driving mechanism 4 in this embodiment includes a driving cylinder 41, a driving sliding rail 42, a driving sliding block 43 and a driving connecting rod 44, the driving sliding rail 42 is disposed on the driving frame 7, the driving sliding block 43 is disposed on the driving sliding rail 42, one end of the driving connecting rod 44 is connected with the driving sliding block 43, the other end of the driving connecting rod 44 is connected with the core-pulling sliding block 31, a cylinder barrel of the driving cylinder 41 is disposed on the driving frame 7, and a piston rod of the driving cylinder 41 is connected with the driving sliding block 43.
The locking mechanism 5 in this embodiment includes a first locking block 51 and a second locking block 52, where the first locking block 51 and the second locking block 52 are both disposed on the upper mold frame 1, the first locking block 51 is clamped with the mold core 8, and the second locking block 52 is clamped with the core pulling slider 31.
Specifically, the working principle of the die casting die with the locking device for the arc core pulling is as follows: the driving oil cylinder 41 obtains thrust, and the piston rod of the driving oil cylinder 41 pushes the driving sliding block 43 to move along the driving sliding rail 42, so that the core pulling sliding block 31 moves forwards along the core pulling sliding groove 32 which is arranged in an arc structure after the driving connecting rod 44 obtains thrust, and when the core pulling sliding block 31 pushes the mold core 8 to a specified position, the upper mold frame 1 and the lower mold frame 2 are assembled to drive the first locking block 51 and the second locking block 52 to move, the mold core 8 and the core pulling sliding block 31 are respectively fixed through the first locking block 51 and the second locking block 52, and a casting hole on the upper mold frame 1 is used for casting and forming a die casting 9.
Through set up a crooked spout 32 of loosing core on lower mould frame 2 and frame 6 of loosing core, change the direction of motion of mold core 8 through this spout 32 of loosing core, can fix mold core 8 and slider 31 of loosing core through locking mechanism 5 simultaneously, reduce the mold core and produce the displacement, reduce die casting manufacturing cost's purpose.
It can be seen from fig. 2 that the die casting 9 is constructed as a curved product, which requires a uniform wall thickness, so that the die is provided with the locking mechanism 5.
The die casting 9 is a bending product, and the cavity after the upper die frame 1 and the lower die frame 2 are in die closing contact is the structural characteristic of the die casting 9.
The piston rod of the driving oil cylinder 41 is connected with a driving sliding block 43, the driving sliding block 43 is connected with one end of a driving connecting rod 44, the other end of the driving connecting rod 44 is connected with a core-pulling sliding block 31, the core-pulling sliding block 31 is connected with the mold core 8, and the movement direction of the mold core 8 is changed by moving the core-pulling sliding block 31 in the core-pulling sliding groove 32, so that the mold core 8 is pushed into and pulled out of the cavity of the mold.
The locking mechanism 5 is arranged on the upper die frame 1, after the upper die frame 1 and the lower die frame 2 are clamped, the die core 8 is clamped by the first locking block 51, and the core pulling sliding block 31 is clamped by the second locking block 52.
The upper die frame 1 and the lower die frame 2 are provided with two detachable threaded holes, and after the upper die frame 1 is opened or only outside, the first locking block 51 and the second locking block 52 can be directly maintained, maintained and replaced.
A set of rolling mechanism which is simply fixed by a ball guide rail is formed by the arranged ball structures, and is shown in figures 4 and 5.
After the upper die frame 1 and the lower die frame 2 are assembled, the driving oil cylinder 41 pulls the driving connecting rod 44 to drive the core-pulling sliding block 31 and the die core 8 to move along the core-pulling sliding groove 32, and the core-pulling sliding block 31 and the die core 8 drive the ball structure to slide in the core-pulling sliding groove 32 when moving, namely the ball 33 slides in the ball limiting groove 37, so that the sliding friction between the original core-pulling sliding block 31 and the core-pulling sliding groove 32 is changed into rolling friction, and the friction force can be reduced.
After the upper die frame 1 and the lower die frame 2 are assembled, the driving oil cylinder 41 pulls the driving sliding block 43 to slide on the driving sliding rail 42, the driving sliding block 43 pulls the driving connecting rod 44 to drive the core pulling sliding block 31 to pull the die core 8, two ends of the driving connecting rod 44 are respectively connected with the driving sliding block 43 and the core pulling sliding block 31 in a rotating way, and the two ends of the driving connecting rod 44 rotate with the driving sliding block 43, the core pulling sliding block 31 and the connecting part through the pulling force of the driving oil cylinder 41, so that the core pulling track is changed into arc-shaped motion matched with the die casting 9 from linear motion.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present utility model. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.
Claims (8)
1. The utility model provides a take locking device's die casting die is loosed core to arc, includes mould frame (1), lower mould frame (2) and mold core (8), go up mould frame (1) and lower mould frame (2) cooperation, mold core (8) set up between last mould frame (1) and lower mould frame (2), its characterized in that: still include mechanism (3) of loosing core, actuating mechanism (4), locking mechanism (5), frame (6) and drive frame (7) of loosing core, frame (6) of loosing core is connected with lower mould frame (2), drive frame (7) are connected with frame (6) of loosing core, mechanism (3) of loosing core set up on frame (6) of loosing core, actuating mechanism (4) set up on drive frame (7), mold core (8) are connected with mechanism (3) of loosing core, mechanism (3) of loosing core are connected with actuating mechanism (4), locking mechanism (5) set up on last mould frame (1), and locking mechanism (5) and mold core (8) and mechanism (3) cooperation of loosing core.
2. The die casting die of the arc core pulling belt locking device according to claim 1, wherein: the core pulling mechanism (3) comprises a core pulling sliding block (31), a core pulling sliding groove (32) and a ball structure, wherein the core pulling sliding groove (32) is formed in the lower die frame (2) and the core pulling frame (6), the core pulling sliding block (31) is arranged in the core pulling sliding groove (32) in a sliding mode through the ball structure, and the die core (8) is connected with the core pulling sliding block (31).
3. The die casting die of the arc core pulling belt locking device according to claim 2, wherein: the ball structure comprises a ball (33), a ball retainer (34) and a ball sliding block (35), wherein the ball (33) is arranged in the ball retainer (34), one side of the ball (33) is in contact with the ball sliding block (35), the other side of the ball (33) is in contact with a core pulling sliding groove (32), and the core pulling sliding block (31) is arranged on the ball sliding block (35).
4. The die casting die with locking device for arc core pulling according to claim 3, wherein: the ball retainer (34) and the ball slide block (35) are arranged in the core-pulling chute (32) through a ball slide block pressing plate (36).
5. The die casting die with locking device for arc core pulling according to claim 3, wherein: the core pulling sliding groove (32) is internally provided with a ball limiting groove (37), the ball sliding block (35) is provided with a ball limiting hole (38), and two sides of the ball (33) are respectively arranged in the ball limiting groove (37) and the ball limiting hole (38).
6. The die casting die of the arc core pulling belt locking device according to claim 1, wherein: the driving mechanism (4) comprises a driving oil cylinder (41), a driving sliding rail (42), a driving sliding block (43) and a driving connecting rod (44), wherein the driving sliding rail (42) is arranged on the driving rack (7), the driving sliding block (43) is arranged on the driving sliding rail (42), one end of the driving connecting rod (44) is connected with the driving sliding block (43), the other end of the driving connecting rod (44) is connected with the core-pulling sliding block (31), a cylinder barrel of the driving oil cylinder (41) is arranged on the driving rack (7), and a piston rod of the driving oil cylinder (41) is connected with the driving sliding block (43).
7. The die casting die of the arc core pulling belt locking device according to claim 1, wherein: the locking mechanism (5) comprises a first locking block (51) and a second locking block (52), and the first locking block (51) and the second locking block (52) are arranged on the upper die frame (1).
8. The die casting die of the arc core pulling belt locking device according to claim 7, wherein: the first locking block (51) is clamped with the mold core (8), and the second locking block (52) is clamped with the core pulling sliding block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320825652.3U CN219805361U (en) | 2023-04-11 | 2023-04-11 | Die casting die with locking device for arc core pulling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320825652.3U CN219805361U (en) | 2023-04-11 | 2023-04-11 | Die casting die with locking device for arc core pulling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219805361U true CN219805361U (en) | 2023-10-10 |
Family
ID=88209583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320825652.3U Active CN219805361U (en) | 2023-04-11 | 2023-04-11 | Die casting die with locking device for arc core pulling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219805361U (en) |
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2023
- 2023-04-11 CN CN202320825652.3U patent/CN219805361U/en active Active
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