CN114012993A - Slider pushes up delay demoulding structure to one side in injection mold - Google Patents
Slider pushes up delay demoulding structure to one side in injection mold Download PDFInfo
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- CN114012993A CN114012993A CN202111237777.6A CN202111237777A CN114012993A CN 114012993 A CN114012993 A CN 114012993A CN 202111237777 A CN202111237777 A CN 202111237777A CN 114012993 A CN114012993 A CN 114012993A
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- China
- Prior art keywords
- block
- die core
- inclined ejection
- core
- demoulding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an inclined ejection delay demoulding structure of a sliding block in an injection mould, which belongs to the technical field of injection moulds and comprises an upper mould core, a lower mould core, an inclined ejection demoulding mechanism and an inclined ejection driving mechanism, wherein the upper mould core is clamped on the lower mould core from the upper part, the inclined ejection demoulding mechanism is positioned at one side of the upper mould core and one side of the lower mould core, the inclined ejection demoulding mechanism extends into the upper mould core and the lower mould core, the upper mould core, the lower mould core and the inclined ejection demoulding mechanism enclose a forming cavity, and the inclined ejection driving mechanism is inserted into the inclined ejection demoulding mechanism from the upper part; according to the invention, the inclined ejection demoulding mechanism which does not interfere with the upper mould kernel and the lower mould kernel is arranged, so that the upper mould kernel and the lower mould kernel are separated from the formed workpiece independently, and then the inclined ejection demoulding mechanism is separated from the buckle structure on the formed workpiece under the action of the inclined ejection driving mechanism, so that delayed demoulding is realized, the demoulding process is simple and convenient, a complex mould structure is not required to be designed, and the cost input of the mould is saved.
Description
Technical Field
The invention belongs to the technical field of injection molds, and particularly relates to a sliding block pitched roof delayed demoulding structure in an injection mold.
Background
Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various designs and colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, suitability for the fields of mass production, products with complex shapes and the like, and the injection mold is a necessary component for injection molding.
At present, to the forming work piece that the structure is complicated, for example have buckle structure on the forming work piece, there is round muscle position around the buckle to make the back mould also can't insert go, so the unable demolding of traditional slider structure, need the mould that the project organization is complicated just can solve above-mentioned problem, can lead to the input cost increase of mould like this.
Disclosure of Invention
The invention aims to: in order to solve the problems that the demolding process is complex and the mold cost is high due to the fact that an injection mold with a complex structure is required to be designed for smoothly demolding a product with a buckle structure, the slider inclined ejection delay demolding structure in the injection mold is provided.
In order to achieve the purpose, the invention adopts the following technical scheme: a slider inclined ejection delay demoulding structure in an injection mould comprises an upper mould core, a lower mould core, an inclined ejection demoulding mechanism and an inclined ejection driving mechanism, wherein the upper mould core is clamped on the lower mould core from the upper part, the inclined ejection demoulding mechanism is positioned on one side of the upper mould core and one side of the lower mould core, the inclined ejection demoulding mechanism extends into the upper mould core and the lower mould core, the upper mould core, the lower mould core and the inclined ejection demoulding mechanism enclose a forming cavity, the inclined ejection driving mechanism is inserted into the inclined ejection demoulding mechanism from the upper part, and the inclined ejection driving mechanism supports against the inclined ejection demoulding mechanism;
the top demoulding mechanism to one side includes fixed block, first slider, second slider and two body of pushing up to one side, the fixed block laminating go up the mould benevolence with the lateral wall of lower mould benevolence, be provided with the boss on the fixed block, the boss extends to go up the mould benevolence with in the lower mould benevolence, the boss go up the mould benevolence with lower mould benevolence encloses to keep off into the die cavity, first slider with the second slider all slides and locates in the fixed block, first slider salient in the side of fixed block is arranged, two the body of pushing up to one side articulates on the second slider, two the body of pushing up to one side passes the boss extends to in the die cavity.
As a further description of the above technical solution:
two oblique chutes are formed in the boss, and the two oblique jacking bodies are respectively slidably arranged in the two oblique chutes.
As a further description of the above technical solution:
the inclined top driving mechanism comprises a driving block and two guide pillars, the driving block abuts against the top surface and the side surface of the fixed block, the driving block abuts against the first sliding block, the two guide pillars are fixedly installed on the driving block, the two guide pillars are arranged at a certain inclination angle, and the two guide pillars are inserted in the fixed block.
As a further description of the above technical solution:
the side of the fixed block is an inclined plane, the first sliding block protrudes out of the inclined plane, and the inclination angle of the guide pillar is equal to that of the inclined plane.
As a further description of the above technical solution:
the driving block is provided with a groove, and the first sliding block is clamped in the groove.
As a further description of the above technical solution:
and the second sliding block is provided with a limiting column, and the limiting column extends to the outside of the fixing block and props against the side wall of the lower die core.
As a further description of the above technical solution:
a first spring is arranged in the fixed block and abuts against the lower die core.
As a further description of the above technical solution:
and a second spring is arranged on the second sliding block and is propped against the boss.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the inclined ejection demoulding mechanism which does not interfere with the upper mould core and the lower mould core is arranged, so that the upper mould core and the lower mould core are separated from the formed workpiece independently, and then the inclined ejection demoulding mechanism is separated from the buckle structure on the formed workpiece under the action of the inclined ejection driving mechanism, so that delayed demoulding is realized, the demoulding process is simple and convenient, a complex mould structure is not required to be designed, and the cost input of the mould is saved.
2. According to the invention, the driving block slides along the inclined plane by moving the driving block upwards, the groove on the driving block acts on the first sliding block protruding out of the inclined plane, so that the first sliding block starts to slide, the first sliding block slides to drive the second sliding block to slide, the second sliding block slides to push the two pitched roof bodies to slide along the inclined sliding groove, and the distance between the end parts of the two pitched roof bodies is gradually increased, so that a formed workpiece is separated, delayed demoulding is realized, the structural design is ingenious and reasonable, and rapid demoulding is facilitated.
Drawings
Fig. 1 is a schematic view of an overall structure of a slider lifter delayed demolding structure in an injection mold.
FIG. 2 is a reference diagram of a use state of a slide block pitched roof delayed release structure in an injection mold.
FIG. 3 is a schematic diagram of an internal structure of a slanted ejecting delayed demolding structure of a slider in an injection mold.
FIG. 4 is a schematic diagram of an internal structure of a slider lifter delayed demolding structure in an injection mold
FIG. 5 is a schematic diagram of the internal structure of a slanted ejecting delayed demolding structure of a slider in an injection mold.
Illustration of the drawings:
1. an upper die core; 2. a lower die core; 3. a lifter demoulding mechanism; 31. a fixed block; 32. a first slider; 33. a second slider; 34. a lifter body; 4. a slanted ejecting drive mechanism; 41. a drive block; 42. a guide post; 5. a cavity; 6. a boss; 7. an oblique chute; 8. a bevel; 9. a groove; 10. a limiting column; 11. a first spring; 12. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a slider inclined ejection delay demoulding structure in an injection mould comprises an upper mould core 1, a lower mould core 2, an inclined ejection demoulding mechanism 3 and an inclined ejection driving mechanism 4, wherein the upper mould core 1 is clamped on the lower mould core 2 from the upper part, the inclined ejection demoulding mechanism 3 is positioned at one side of the upper mould core 1 and one side of the lower mould core 2, the inclined ejection demoulding mechanism 3 extends into the upper mould core 1 and the lower mould core 2, the upper mould core 1, the lower mould core 2 and the inclined ejection demoulding mechanism 3 enclose a forming cavity 5, the inclined ejection driving mechanism 4 is inserted into the inclined ejection demoulding mechanism 3 from the upper part, and the inclined ejection driving mechanism 4 abuts against the inclined ejection demoulding mechanism 3;
the inclined ejection demolding mechanism 3 comprises a fixed block 31, a first sliding block 32, a second sliding block 33 and two inclined ejection bodies 34, the fixed block 31 is attached to the side walls of the upper mold core 1 and the lower mold core 2, a boss 6 is arranged on the fixed block 31, the boss 6 extends into the upper mold core 1 and the lower mold core 2, the boss 6, the upper mold core 1 and the lower mold core 2 enclose and block the cavity 5, the first sliding block 32 and the second sliding block 33 are arranged in the fixed block 31 in a sliding manner, the first sliding block 32 protrudes out of the side face of the fixed block 31 and is hinged to the second sliding block 33, and the two inclined ejection bodies 34 penetrate through the boss 6 and extend into the cavity 5;
two oblique sliding grooves 7 are formed in the boss 6, the two oblique jacking bodies 34 are respectively arranged in the two oblique sliding grooves 7 in a sliding manner, the oblique sliding grooves 7 have a guiding effect on the sliding of the oblique jacking bodies 34, and the stable sliding of the oblique jacking bodies 34 is ensured;
the inclined top driving mechanism 4 comprises a driving block 41 and two guide posts 42, the driving block 41 abuts against the top surface and the side surface of the fixed block 31, the driving block 41 abuts against the first sliding block 32, the two guide posts 42 are fixedly arranged on the driving block 41, the two guide posts 42 are arranged at a certain inclination angle, and the two guide posts 42 are inserted into the fixed block 31; the side surface of the fixed block 31 is an inclined surface 8, the first sliding block 32 protrudes out of the inclined surface 8, and the inclination angle of the guide pillar 42 is equal to that of the inclined surface 8; the driving block 41 is provided with a groove 9, the first sliding block 32 is clamped in the groove 9, the guide post 42 has a guiding effect on the sliding of the driving block 41, so that the driving block 41 slides along the inclined plane 8, when the mold is opened, the driving block 41 slides along the inclined plane 8, the groove 9 is acted on the first sliding block 32 protruding out of the inclined plane 8, so that the first sliding block 32 starts to slide, the first sliding block 32 slides to drive the second sliding block 33 to slide, the second sliding block 33 slides to push the two pitched roof bodies 34 to slide along the inclined sliding groove 7, and the distance between the end parts of the two pitched roof bodies 34 is gradually increased, so that a formed workpiece is separated, and delayed demolding is realized;
the second sliding block 33 is provided with a limiting column 10, the limiting column 10 extends to the outside of the fixed block 31 and abuts against the side wall of the lower die core 2, so that the position of the second sliding block 33 is not changed when the lower die core 2 does not fall off, and the inclined top body 34 is prevented from being demoulded in a delayed manner compared with the lower die core 2;
a first spring 11 is arranged in the fixed block 31, and the first spring 11 is propped against the lower die core 2;
the second slider 33 is provided with a second spring 12, the second spring 12 abuts against the boss 6, and the second spring 12 has an elastic damping effect on the sliding of the second slider 33, so that the sliding of the pitched roof body 34 is smooth, and smooth demoulding of the pitched roof body 34 is facilitated.
The working principle is as follows: firstly, injecting plastic flow into a cavity 5 for molding, when opening the mold, separating an upper mold core 1 from a lower mold core 2, enabling the upper mold core 1 and the lower mold core 2 to fall off from a molded workpiece, at the moment, clamping two pitched roof bodies 34 and a lug boss 6 on the molded workpiece, enabling a limiting column 10 to abut against the lower mold core 2 to ensure that a second slide block 33 does not slide, secondly, moving a driving block 41 upwards, enabling the driving block 41 to slide along an inclined plane 8 under the guiding action of the inclined plane 8 and a guide column 42, enabling a groove 9 on the driving block 41 to act on the first slide block 32 protruding out of the inclined plane 8 to enable the first slide block 32 to start sliding, enabling the first slide block 32 to slide and drive the second slide block 33 to slide, enabling the second slide block 33 to slide to push the two pitched roof bodies 34 to slide along an inclined sliding groove 7, enabling a second spring 12 to be compressed to generate an elastic damping action on the second slide block 33, and finally, enabling the distance between the end parts of the two pitched roof bodies 34 to gradually increase, thereby separating from the formed workpiece and realizing delayed demoulding.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a slider pushes up postpones demoulding structure to one side in injection mold which characterized in that: the device comprises an upper die core (1), a lower die core (2), an inclined ejection mechanism (3) and an inclined ejection driving mechanism (4), wherein the upper die core (1) is clamped on the lower die core (2) from the top, the inclined ejection mechanism (3) is positioned on one side of the upper die core (1) and one side of the lower die core (2), the inclined ejection mechanism (3) extends into the upper die core (1) and the lower die core (2), the upper die core (1), the lower die core (2) and the inclined ejection mechanism (3) enclose a forming cavity (5), the inclined ejection driving mechanism (4) is inserted into the inclined ejection mechanism (3) from the top, and the inclined ejection driving mechanism (4) abuts against the inclined ejection mechanism (3);
the inclined top demoulding mechanism (3) comprises a fixed block (31), a first sliding block (32), a second sliding block (33) and two inclined top bodies (34), the fixed block (31) is attached to the side walls of the upper die core (1) and the lower die core (2), a boss (6) is arranged on the fixed block (31), the boss (6) extends into the upper die core (1) and the lower die core (2), the boss (6), the upper die core (1) and the lower die core (2) enclose and block the die cavity (5), the first sliding block (32) and the second sliding block (33) are arranged in the fixed block (31) in a sliding manner, the first sliding block (32) is arranged in a protruding mode on the side face of the fixed block (31), the two inclined top bodies (34) are hinged to the second sliding block (33), and the two inclined top bodies (34) penetrate through the boss (6) and extend into the cavity (5).
2. The structure for delaying demoulding by inclined ejection of the sliding block in the injection mould according to claim 1, wherein two inclined chutes (7) are formed in the boss (6), and two inclined ejection bodies (34) are respectively slidably arranged in the two inclined chutes (7).
3. The structure for delaying the demoulding of the inclined top of the sliding block in the injection mould according to claim 1, wherein the inclined top driving mechanism (4) comprises a driving block (41) and two guide posts (42), the driving block (41) is abutted against the top surface and the side surface of the fixed block (31), the driving block (41) is abutted against the first sliding block (32), the two guide posts (42) are fixedly arranged on the driving block (41), the two guide posts (42) are arranged at a certain inclined angle, and the two guide posts (42) are inserted into the fixed block (31).
4. The structure of claim 3, wherein the side of the fixed block (31) is a slope (8), the first slide block (32) protrudes from the slope (8), and the angle of inclination of the guide post (42) is equal to the angle of inclination of the slope (8).
5. The structure of claim 4, wherein the driving block (41) is provided with a groove (9), and the first slide block (32) is clamped in the groove (9).
6. The structure of claim 1, wherein the second slide block (33) is provided with a limiting post (10), and the limiting post (10) extends to the outside of the fixing block (31) and abuts against the sidewall of the lower mold core (2).
7. The structure of claim 1, wherein a first spring (11) is disposed in the fixed block (31), and the first spring (11) abuts against the lower mold core (2).
8. A slide lifter delayed demolding structure in an injection mold according to claim 1, wherein a second spring (12) is arranged on the second slide (33), and the second spring (12) abuts against the boss (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237777.6A CN114012993A (en) | 2021-10-25 | 2021-10-25 | Slider pushes up delay demoulding structure to one side in injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237777.6A CN114012993A (en) | 2021-10-25 | 2021-10-25 | Slider pushes up delay demoulding structure to one side in injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114012993A true CN114012993A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111237777.6A Pending CN114012993A (en) | 2021-10-25 | 2021-10-25 | Slider pushes up delay demoulding structure to one side in injection mold |
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| CN (1) | CN114012993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071078A (en) * | 2022-06-16 | 2022-09-20 | 台州拓彩科技有限公司 | Pitched roof demoulding structure |
-
2021
- 2021-10-25 CN CN202111237777.6A patent/CN114012993A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071078A (en) * | 2022-06-16 | 2022-09-20 | 台州拓彩科技有限公司 | Pitched roof demoulding structure |
| CN115071078B (en) * | 2022-06-16 | 2024-04-19 | 台州拓彩科技有限公司 | Inclined ejection demoulding structure |
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