CN220297720U - Outside-mold longitudinal core pulling mechanism of injection mold - Google Patents
Outside-mold longitudinal core pulling mechanism of injection mold Download PDFInfo
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- CN220297720U CN220297720U CN202321299498.7U CN202321299498U CN220297720U CN 220297720 U CN220297720 U CN 220297720U CN 202321299498 U CN202321299498 U CN 202321299498U CN 220297720 U CN220297720 U CN 220297720U
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- core pulling
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- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 150000001875 compounds Chemical class 0.000 claims abstract description 16
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005206 flow analysis Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
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Abstract
The utility model provides an injection mold mould is outside vertical mechanism of loosing core, includes cover half compound plate and movable mould compound plate, installs the cover half frame under the cover half compound plate, sets up the mould foot on the movable mould compound plate, installs the movable mould board on the mould foot, sets up movable mould insert on the movable mould board, and movable mould insert cooperates with the cover half frame and constitutes the die cavity, has injection moulding's product in the die cavity, and the system has counter bore connecting hole on the product, its characterized in that: and arranging an out-mold longitudinal core pulling structure on the outer wall of the fixed die frame corresponding to the counter bore connecting hole, wherein the out-mold longitudinal core pulling structure is used for pulling the counter bore connecting hole. The beneficial effects are as follows: 1. after the product is injection molded, the counter bore connecting hole is firstly subjected to core pulling by the out-of-mold longitudinal core pulling structure, and after core pulling is completed, the mold is opened again, and the product has certain positioning pressure in the mold, so that counter bore connection Kong Lashang and tensile deformation can be effectively prevented, and loss is reduced; 2. the core pulling structure is longitudinally arranged, so that the whole volume of the die can be reduced, the die is suitable for processing of small and medium-sized injection molding machines, and the equipment investment cost is saved.
Description
Technical Field
The utility model relates to an out-mold longitudinal core pulling mechanism of an injection mold, and belongs to the field of injection molds.
Background
The injection mold is one of main equipment for producing plastic products, and a corresponding molding structure and a demolding structure are arranged in the injection mold according to the appearance and the structural analysis of the products. For example, when the side plate rear connecting plate of the electric vehicle is produced, connecting holes are formed in two sides of the front part of the side plate rear connecting plate according to die flow analysis, and after the product is subjected to injection molding, the connecting clamp Kong Xuyao is used for pulling cores. The similar structure of the traditional mould generally adopts an inner core-pulling structure of an inclined guide post, namely, the mould opening power is utilized, and the inclined guide block and the inclined guide rod are matched to drive the core to pull the core. However, in actual production, the core pulling and die opening are carried out simultaneously, or the die opening is carried out firstly and then the core pulling is carried out, when the core pulling is carried out on a connecting hole with a counter bore, the length of the core pulling is deeper, the counter bore is coated on a core, the holding force is larger, after the die is opened, the product loses positioning pressure, the counter bore and the connection Kong Lashang are easy to be carried out by the core when the core pulling is carried out, the whole product is scrapped, and the cost loss is large.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an injection mold external longitudinal core pulling mechanism which adopts an external core pulling structure, firstly pulls cores and then opens the mold, prevents strain, is longitudinally arranged, has small volume, is suitable for processing of small and medium-sized injection molding machines and saves processing cost.
The technical scheme of the injection mold external longitudinal core pulling mechanism is as follows: including cover half compound board and movable mould compound board, install the cover half frame under the cover half compound board, set up the mould foot on the movable mould compound board, install the movable mould board on the mould foot, set up the movable mould insert on the movable mould board, the movable mould insert cooperates with the cover half frame and constitutes the die cavity, has injection moulding's product in the die cavity, has counter bore connecting hole, its characterized in that on the product: and arranging an out-mold longitudinal core pulling structure on the outer wall of the fixed die frame corresponding to the counter bore connecting hole, wherein the out-mold longitudinal core pulling structure is used for pulling the counter bore connecting hole.
The injection mold outer longitudinal core pulling mechanism has the beneficial effects that:
after the product is injection molded, the counter bore connecting hole is firstly subjected to core pulling by the out-of-mold longitudinal core pulling structure, and after core pulling is completed, the mold is opened, and as the product has certain positioning pressure in the mold, the counter bore connection Kong Lashang and the pulling deformation can be effectively prevented, the loss is reduced, and the cost is saved;
2. the core pulling structure is longitudinally arranged, so that the whole volume of the die can be reduced, the die is suitable for processing of small and medium-sized injection molding machines, and the equipment investment cost is saved.
The utility model discloses an external longitudinal core pulling mechanism of an injection mold, which comprises a seat plate longitudinally arranged on the outer wall of a fixed mold frame, wherein a core pulling through groove is formed in the lower part of the seat plate, a core pulling sliding block is arranged in the core pulling through groove, a longitudinal inclined I-shaped groove is arranged at the front part of the core pulling sliding block, a core pulling core is connected to the inclined I-shaped groove in a sliding manner, passes through the fixed mold frame and is matched with a counter bore connecting hole, a T-shaped guide strip is arranged at the rear part of the core pulling sliding block, a guide frame is further arranged at the lower part of the seat plate, a T-shaped guide groove is formed in the guide frame, the T-shaped guide groove is matched with the T-shaped guide strip, a core pulling oil cylinder is arranged at the upper part of the seat plate, and an oil cylinder rod of the core pulling oil cylinder is connected with the core pulling sliding block. When the core is pulled, the core pulling oil cylinder drives the core pulling sliding block to slide upwards in the core pulling through groove, the T-shaped guide bar is matched with the T-shaped guide groove, so that the sliding action of the core pulling sliding block is accurate, when the core pulling sliding block slides upwards, the sliding force acts on the core pulling core reversely, the core pulling core slides outwards and downwards along the oblique I-shaped groove, the core pulling core is pulled out of the counter bore connecting hole, the core pulling is completed, and the die is driven to open by power. The seat board is fixed on the outer wall of the fixed die frame through screws, and the seat board is provided with fixing convex blocks which are embedded into the outer wall of the fixed die frame, so that the seat board is fixed more firmly.
Drawings
FIG. 1 is a schematic cross-sectional view of an out-mold longitudinal core-pulling mechanism of an injection mold according to the present utility model;
FIG. 2 is a schematic perspective view of an out-mold longitudinal core pulling mechanism of the present utility model;
fig. 3 is a schematic perspective view of an injection mold of the present utility model.
Description of the embodiments
The utility model relates to an external longitudinal core pulling mechanism of an injection mold, which is shown in fig. 1-3, and comprises a fixed mold compound plate 1 and a movable mold compound plate 2, wherein a fixed mold frame 3 is arranged below the fixed mold compound plate, a mold foot 5 is arranged on the movable mold compound plate, a movable mold plate 6 is arranged on the mold foot, a movable mold insert 7 is arranged on the movable mold plate, the movable mold insert 7 is matched with the fixed mold frame 3 to form a mold cavity, an injection molded product 8 is arranged in the mold cavity, a counter bore connecting hole 9 is formed in the product 8, wherein the external longitudinal core pulling structure is arranged on the outer wall of the fixed mold frame 3 corresponding to the counter bore connecting hole 9, and the external longitudinal core pulling structure is used for pulling cores of the counter bore connecting hole 9.
The method is characterized in that an optimal scheme is selected to implement an external longitudinal core-pulling structure by combining the actual condition of a die, the method comprises the steps that a seat board 10 is longitudinally arranged on the outer wall of a fixed die frame 3, a core-pulling through groove 11 is formed in the lower portion of the seat board, a core-pulling sliding block 12 is arranged in the core-pulling through groove, an inclined I-shaped groove 13 which is inclined longitudinally is arranged at the front part of the core-pulling sliding block, a core-pulling core 14 is connected to the inclined I-shaped groove 13 in a sliding manner, the core-pulling core 14 penetrates through the fixed die frame 3 and is matched with a counter bore connecting hole 9, a T-shaped guide bar 15 is arranged at the rear part of the core-pulling sliding block, a guide frame 16 is further arranged at the lower portion of the seat board 10, a T-shaped guide groove 17 is formed in the guide frame, the T-shaped guide groove 17 is matched with the T-shaped guide bar 15, a core-pulling oil cylinder 18 is arranged at the upper portion of the seat board 10, and an oil cylinder rod 19 of the core-pulling cylinder is connected to the core-pulling sliding block 12. When the core is pulled, the core pulling oil cylinder 18 drives the core pulling slide block 12 to slide upwards in the core pulling through groove 11, the T-shaped guide bar 15 is matched with the T-shaped guide groove 17, so that the sliding action of the core pulling slide block is accurate, when the core pulling slide block 12 slides upwards, the sliding force acts on the core pulling core 14 reversely, the core pulling core 14 slides downwards outwards along the oblique I-shaped groove 13, the core pulling core 14 is pulled out of the counter bore connecting hole 9, the core pulling is completed, and the die is driven by power to open the die. The seat board 10 is fixed on the outer wall of the fixed die frame 3 through screws, and the seat board is provided with fixing lugs 20, and the fixing lugs 20 are embedded into the outer wall of the fixed die frame 3, so that the seat board is fixed more firmly.
The beneficial effects of this embodiment are:
1. after the product is injection molded, the counter bore connecting hole is firstly subjected to core pulling by the out-of-mold longitudinal core pulling structure, and after core pulling is completed, the mold is opened, and as the product has certain positioning pressure in the mold, the counter bore connection Kong Lashang and the pulling deformation can be effectively prevented, the loss is reduced, and the cost is saved;
2. the core pulling structure is longitudinally arranged, so that the whole volume of the die can be reduced, the die is suitable for processing of small and medium-sized injection molding machines, and the equipment investment cost is saved.
Claims (3)
1. The utility model provides an injection mold mould is outside vertical mechanism of loosing core, including cover half compound board (1) and movable mould compound board (2), install cover half frame (3) under the cover half compound board, set up mould foot (5) on the movable mould compound board, install movable mould board (6) on the mould foot, set up movable mould insert (7) on the movable mould board, movable mould insert (7) and cover half frame (3) cooperation constitute the die cavity, have injection moulding's product (8) in the die cavity, the system has counter bore connecting hole (9) on product (8), its characterized in that: an outer longitudinal core pulling structure is arranged on the outer wall of the fixed die frame (3) corresponding to the counter bore connecting hole (9), and the counter bore connecting hole (9) is pulled by the outer longitudinal core pulling structure.
2. The out-mold longitudinal core pulling mechanism of the injection mold according to claim 1, characterized in that the out-mold longitudinal core pulling structure comprises a seat plate (10) longitudinally arranged on the outer wall of a fixed mold frame (3), a core pulling through groove (11) is formed in the lower portion of the seat plate, a core pulling sliding block (12) is arranged in the core pulling through groove, a longitudinal oblique I-shaped groove (13) is formed in the front portion of the core pulling sliding block, a core pulling core (14) is connected to the oblique I-shaped groove (13) in a sliding mode, the core pulling core (14) penetrates through the fixed mold frame (3) to be matched with a counter bore connecting hole (9), a T-shaped guide strip (15) is arranged at the rear portion of the core pulling sliding block, a guide frame (16) is further arranged at the lower portion of the seat plate (10), a T-shaped guide groove (17) is formed in the guide frame, a T-shaped guide groove (17) is matched with the T-shaped guide strip (15), a core pulling oil cylinder (18) is arranged on the upper portion of the seat plate (10), and an oil cylinder rod (19) of the core pulling oil cylinder is connected to the core pulling sliding block (12).
3. The out-mold longitudinal core pulling mechanism of the injection mold according to claim 2, wherein the seat plate (10) is fixed on the outer wall of the fixed mold frame (3) through screws, the seat plate is provided with a fixing lug (20), and the fixing lug (20) is embedded into the outer wall of the fixed mold frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321299498.7U CN220297720U (en) | 2023-05-26 | 2023-05-26 | Outside-mold longitudinal core pulling mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321299498.7U CN220297720U (en) | 2023-05-26 | 2023-05-26 | Outside-mold longitudinal core pulling mechanism of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220297720U true CN220297720U (en) | 2024-01-05 |
Family
ID=89353376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321299498.7U Active CN220297720U (en) | 2023-05-26 | 2023-05-26 | Outside-mold longitudinal core pulling mechanism of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220297720U (en) |
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2023
- 2023-05-26 CN CN202321299498.7U patent/CN220297720U/en active Active
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