CN219381458U - Secondary ejection mechanism of injection mold - Google Patents
Secondary ejection mechanism of injection mold Download PDFInfo
- Publication number
- CN219381458U CN219381458U CN202223430783.6U CN202223430783U CN219381458U CN 219381458 U CN219381458 U CN 219381458U CN 202223430783 U CN202223430783 U CN 202223430783U CN 219381458 U CN219381458 U CN 219381458U
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- China
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- plate
- ejector
- ejector pin
- accommodating cavity
- mold
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The utility model provides a secondary ejection mechanism of an injection mold, which comprises an ejector plate accommodating cavity, a first ejector pin and a second ejector pin, wherein the longitudinal section of the ejector plate accommodating cavity is in a convex shape, the ejector plate accommodating cavity is internally provided with the first ejector pin plate, the second ejector pin plate, a third ejector pin plate and a fourth ejector pin plate from bottom to top, the first ejector pin plate and the second ejector pin plate are connected with the third ejector pin plate and the fourth ejector pin plate through a shutter, the lengths of the first ejector pin plate and the second ejector pin plate are larger than those of the third ejector pin plate and the fourth ejector pin plate, the lengths of the first ejector pin plate and the second ejector pin plate are larger than the width of the narrow part of the ejector plate accommodating cavity, the lengths of the third ejector pin plate and the fourth ejector pin plate are smaller than the width of the narrow part of the ejector plate accommodating cavity, and the upper end surface of the second ejector pin plate and the upper end surface of the wide part of the ejector plate accommodating cavity are arranged at intervals. The secondary ejection mechanism of the injection mold can enable the outer side of the back-off part of the product to be separated from the mold core, and simultaneously enables the outer side wall of the product to have a certain deformation space, and has the advantage of reliable structure.
Description
Technical Field
The utility model relates to the technical field of injection molding, in particular to a secondary ejection mechanism of an injection mold.
Background
In the actual production process, some injection molding parts have inverted positions, forced ejection is needed, and some products have no deformation space because of special structures, so that demolding cannot be completed by adopting a one-time ejection mechanism for the injection molding parts, and therefore, an ejection mechanism needs to be designed to correspond to the situations.
Disclosure of Invention
The utility model provides a secondary ejection mechanism of an injection mold aiming at the technical problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the secondary ejection mechanism of the injection mold comprises an ejector plate accommodating cavity, a first ejector pin and a second ejector pin, wherein the longitudinal section of the ejector plate accommodating cavity is in a convex shape, a first ejector pin plate, a second ejector pin plate, a third ejector pin plate and a fourth ejector pin plate are sequentially arranged in the ejector plate accommodating cavity from bottom to top, the first ejector pin plate and the second ejector pin plate are connected with the third ejector pin plate and the fourth ejector pin plate through a shutter, the lengths of the first ejector pin plate and the second ejector pin plate are larger than those of the third ejector pin plate and the fourth ejector pin plate, the lengths of the first ejector pin plate and the second ejector pin plate are larger than those of the narrow part of the ejector pin plate accommodating cavity, the lengths of the third ejector pin plate and the fourth ejector pin plate are smaller than those of the narrow part of the accommodating cavity, and the upper end surface of the second ejector pin plate and the upper end surface of the wide part of the ejector pin plate accommodating cavity are arranged at intervals; the top ends of the first thimble and the second thimble extend into the forming cavity.
Further, the injection mold comprises a movable mold panel, a mold angle is arranged on the upper end face of the movable mold panel, a movable mold plate is arranged on the upper end face of the mold angle, a male mold core is embedded on the movable mold plate, the mold angle is of a hollow structure with an upper opening structure and a lower opening structure, the movable mold panel, the mold angle and the movable mold plate enclose a thimble plate accommodating cavity, a first thimble sequentially penetrates through the movable mold plate and the male mold core from the bottom end of a fourth thimble plate to extend into a forming cavity, and a second thimble sequentially penetrates through the bottom end of a second thimble plate to extend into the forming cavity.
Further, the first thimble comprises a first thimble seat and a first thimble rod, the first thimble rod is vertically arranged on the upper end surface of the first thimble seat, the second thimble comprises a second thimble seat and a second thimble rod, and the second thimble rod is vertically arranged on the upper end surface of the second thimble seat; the second ejector pin seat accommodating cavity is formed in the second ejector pin plate, the second ejector pin seat is arranged in the second ejector pin seat accommodating cavity, the first ejector pin seat accommodating cavity is formed in the fourth ejector pin plate, and the first ejector pin seat is arranged in the first ejector pin seat accommodating cavity.
Further, the upper end of the second thimble is abutted with the back-off position of the injection molding piece and used for enabling the injection molding piece to be separated from the back-off.
Further, the first ejector plate is connected with the second ejector plate through a screw, the third ejector plate is connected with the fourth ejector plate through a screw, the shutter can be used for detachably connecting the second ejector plate with the third ejector plate and is simultaneously connected with the second ejector plate in a locking mode, and when the force applied to the second ejector plate exceeds 90kg, the second ejector plate is separated from the third ejector plate.
Further, the length of the first ejector plate is the same as that of the second ejector plate, and the first ejector plate and the second ejector plate are arranged in left-right alignment; the length of the third ejector plate is the same as that of the fourth ejector plate, and the third ejector plate and the fourth ejector plate are arranged in left-right alignment.
Further, the lower end face of the first ejector pin plate is arranged at intervals with the upper end face of the movable die panel.
In the secondary ejection mechanism of the injection mold, the first ejector plate and the second ejector plate are connected with the third ejector plate and the fourth ejector plate through the shutter, so that the first ejector pin and the second ejector pin are ejected simultaneously during ejection of the first section, the outer side of a product back-off part is separated from a mold core, a certain deformation space is formed on the outer side wall of the product, when the second ejector plate is abutted against the upper end face of the width of the ejector plate accommodating cavity, the first ejector plate and the second ejector plate stop moving, the third ejector plate and the fourth ejector plate continue ejection of the second section, and forced ejection enables the product to be ejected, so that the injection mold has the advantage of reliable structure.
Drawings
Fig. 1 is a schematic structural view of a secondary ejection mechanism for an injection mold according to the present utility model.
The device comprises a first ejector plate, a second ejector plate, a third ejector plate, a fourth ejector plate, a first ejector pin, a second ejector pin, a 7-ejector plate accommodating cavity, a movable mold panel, a 9-mold angle, a movable mold plate, a 11-male mold core, a 12-shutter, a first ejector pin seat, a first ejector pin rod, a second ejector pin seat and a second ejector pin rod, wherein the first ejector pin plate, the second ejector pin plate, the third ejector pin plate, the fourth ejector pin plate, the first ejector pin, the second ejector pin, the 7-ejector pin plate accommodating cavity, the movable mold panel, the 9-mold angle, the 10-movable mold plate, the 11-male mold core, the 12-shutter, the first ejector pin seat, the first ejector pin rod, the second ejector pin seat and the second ejector pin rod.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific examples.
As shown in fig. 1, the secondary ejection mechanism of the injection mold comprises an ejector plate accommodating cavity 7, a first ejector pin 5 and a second ejector pin 6, the injection mold comprises a movable mold panel 8, a mold angle 9 is arranged on the upper end surface of the movable mold panel 8, a movable mold plate 10 is arranged on the upper end surface of the mold angle 9, a male mold core 11 is embedded on the movable mold plate 10, the mold angle 9 is of a hollow structure with an open top and bottom, the movable mold panel 8, the mold angle 9 and the movable mold plate 10 enclose an ejector plate accommodating cavity 7, the longitudinal section of the ejector plate accommodating cavity 7 is in a convex shape, a first ejector plate 1, a second ejector plate 2, a third ejector plate 3 and a fourth ejector plate 4 are sequentially arranged in the ejector plate accommodating cavity 7 from bottom to top, the length of the first ejector plate 1 is the same as that of the second ejector plate 2, and the first ejector plate 5 and the second ejector plate 2 are arranged in left-right alignment; the length of the third ejector plate 3 is the same as that of the fourth ejector plate 4, the third ejector plate 3 and the fourth ejector plate 4 are arranged in a left-right alignment mode, the lengths of the first ejector plate 1 and the second ejector plate 2 are larger than those of the third ejector plate 3 and the fourth ejector plate 4, the lengths of the first ejector plate 1 and the second ejector plate 2 are larger than the width of the narrow part of the ejector plate accommodating cavity 7, the lengths of the third ejector plate 3 and the fourth ejector plate 4 are smaller than the width of the narrow part of the ejector plate accommodating cavity 7, the upper end face of the second ejector plate 2 and the upper end face of the wide part of the ejector plate accommodating cavity 7 are arranged at intervals, and the lower end face of the first ejector plate 1 and the upper end face of the movable die panel 8 are arranged at intervals; the first ejector plate 1 and the second ejector plate 2 are connected through screws, the third ejector plate 3 and the fourth ejector plate 4 are connected through screws, the shutter 12 detachably connects the second ejector plate 2 and the third ejector plate 3 and is simultaneously in locking connection with the second ejector plate 2, and when the force applied to the second ejector plate 2 exceeds 90kg, the second ejector plate 2 and the third ejector plate 3 are separated; the first ejector pin 5 sequentially penetrates through the movable mould plate 10 and the male mould core 11 from the bottom end of the fourth ejector pin plate 4 to extend into the forming cavity, the second ejector pin 6 sequentially penetrates through the third ejector pin plate 3, the fourth ejector pin plate 4, the movable mould plate 10 and the male mould core 11 from the bottom end of the second ejector pin plate 2 to extend into the forming cavity, and the upper end of the second ejector pin 6 is abutted to the back-off position of the injection molding piece and used for enabling the injection molding piece to be separated from the back-off.
The first thimble 5 comprises a first thimble seat 51 and a first thimble rod 52, the first thimble rod 52 is vertically arranged on the upper end surface of the first thimble seat 51, the second thimble 6 comprises a second thimble seat 61 and a second thimble rod 62, and the second thimble rod 62 is vertically arranged on the upper end surface of the second thimble seat 61; the second ejector pin seat accommodating cavity is formed in the second ejector pin plate 2, the second ejector pin seat 61 is arranged in the second ejector pin seat 61 accommodating cavity, the first ejector pin seat accommodating cavity is formed in the fourth ejector pin plate 4, and the first ejector pin seat 51 is arranged in the first ejector pin seat 51 accommodating cavity.
The above is merely a preferred embodiment of the present utility model, and the scope of the present utility model is not limited to the above embodiments, but any simple modification, equivalent variation and modification of the above embodiments according to the technical matters of the present utility model should be considered as the scope of the present utility model for those skilled in the art.
Claims (7)
1. The secondary ejection mechanism of the injection mold is characterized by comprising an ejector plate accommodating cavity, a first ejector pin and a second ejector pin, wherein the longitudinal section of the ejector plate accommodating cavity is in a convex shape, the ejector plate accommodating cavity is internally provided with the first ejector pin plate, the second ejector pin plate, a third ejector pin plate and a fourth ejector pin plate from bottom to top in sequence, the first ejector pin plate and the second ejector pin plate are connected with the third ejector pin plate and the fourth ejector pin plate through a shutter, the lengths of the first ejector pin plate and the second ejector pin plate are larger than those of the third ejector pin plate and the fourth ejector pin plate, the lengths of the first ejector pin plate and the second ejector pin plate are larger than those of the narrow part of the ejector pin plate accommodating cavity, the lengths of the third ejector pin plate and the fourth ejector pin plate are smaller than those of the narrow part of the ejector pin plate accommodating cavity, and the upper end surface of the second ejector pin plate and the upper end surface of the wide part of the ejector pin plate accommodating cavity are arranged at intervals; the top ends of the first thimble and the second thimble extend into the forming cavity.
2. The secondary ejection mechanism of an injection mold according to claim 1, wherein the injection mold comprises a movable mold panel, a mold angle is arranged on the upper end face of the movable mold panel, a movable mold plate is arranged on the upper end face of the mold angle, a male mold core is embedded on the movable mold plate, the mold angle is a hollow structure with an upper opening structure and a lower opening structure, the movable mold panel, the mold angle and the movable mold plate enclose an ejector plate accommodating cavity, a first ejector pin sequentially penetrates through the movable mold plate and the male mold core from the bottom end of a fourth ejector plate to extend into a molding cavity, and a second ejector pin sequentially penetrates through the third ejector plate, the fourth ejector plate, the movable mold plate and the male mold core from the bottom end of the second ejector plate to extend into the molding cavity.
3. The secondary ejection mechanism of an injection mold according to claim 2, wherein the first ejector pin comprises a first ejector pin seat and a first ejector pin rod, the first ejector pin rod is vertically arranged on the upper end surface of the first ejector pin seat, the second ejector pin comprises a second ejector pin seat and a second ejector pin rod, and the second ejector pin rod is vertically arranged on the upper end surface of the second ejector pin seat; the second ejector pin seat accommodating cavity is formed in the second ejector pin plate, the second ejector pin seat is arranged in the second ejector pin seat accommodating cavity, the first ejector pin seat accommodating cavity is formed in the fourth ejector pin plate, and the first ejector pin seat is arranged in the first ejector pin seat accommodating cavity.
4. The secondary ejection mechanism of an injection mold of claim 3, wherein the upper end of the second ejector pin abuts against a back-off position of the injection molding member for releasing the injection molding member from the back-off.
5. The secondary ejection mechanism of an injection mold of claim 4, wherein the first ejector plate and the second ejector plate are connected by screws, the third ejector plate and the fourth ejector plate are connected by screws, the shutter detachably connects the second ejector plate and the third ejector plate and is simultaneously locked with the second ejector plate, and when a force applied to the second ejector plate exceeds 90kg, the second ejector plate and the third ejector plate are separated.
6. The secondary ejection mechanism of an injection mold of claim 5, wherein the length of the first ejector plate is the same as the length of the second ejector plate, and the first ejector plate and the second ejector plate are arranged in left-right alignment; the length of the third ejector plate is the same as that of the fourth ejector plate, and the third ejector plate and the fourth ejector plate are arranged in left-right alignment.
7. The secondary ejection mechanism of an injection mold of claim 6, wherein the lower end surface of the first ejector plate is spaced from the upper end surface of the movable mold panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223430783.6U CN219381458U (en) | 2022-12-21 | 2022-12-21 | Secondary ejection mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223430783.6U CN219381458U (en) | 2022-12-21 | 2022-12-21 | Secondary ejection mechanism of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219381458U true CN219381458U (en) | 2023-07-21 |
Family
ID=87190263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223430783.6U Active CN219381458U (en) | 2022-12-21 | 2022-12-21 | Secondary ejection mechanism of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219381458U (en) |
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2022
- 2022-12-21 CN CN202223430783.6U patent/CN219381458U/en active Active
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| GR01 | Patent grant |