CN209869312U - Injection mold secondary ejection structure - Google Patents
Injection mold secondary ejection structure Download PDFInfo
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- CN209869312U CN209869312U CN201920669224.XU CN201920669224U CN209869312U CN 209869312 U CN209869312 U CN 209869312U CN 201920669224 U CN201920669224 U CN 201920669224U CN 209869312 U CN209869312 U CN 209869312U
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- roof
- mounting
- groove
- injection mold
- ejector
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Abstract
The utility model discloses an injection mold secondary is ejecting structure, including fixing the bed die on the base, a die cavity, a ladder groove and a plurality of connection chamber have been seted up on the bed die, and connect the chamber simultaneously with die cavity, ladder groove intercommunication, roof one has been placed on the bed die, roof two has been placed on the roof one, fixed mounting has a plurality of springs on the roof of ladder groove, and the lower extreme of spring supports tightly on roof two, roof one is gone up fixed mounting and has a plurality of thimbles one, and the upper end of thimble one runs through roof two, the upper end fixed mounting of roof two has a plurality of thimbles two, be equipped with first extending structure between base and the roof one, roof one has a mounting panel through a plurality of connecting rod fixed mounting. Has the advantages that: the utility model discloses ejecting simple structure of secondary, it is easy and simple to handle, can carry out the ejecting operation of secondary fast, be convenient for ejecting from the die cavity with fashioned product.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to an injection mold secondary is ejecting structure.
Background
In general, the finished product is taken out of the mold, and the ejection action is completed once no matter a single or multi-element ejection structure is adopted, but in many cases, the molded product cannot be ejected out of the mold cavity by one ejection operation, and then a secondary ejection operation is needed;
however, the conventional double ejection structure is relatively complex (refer to the conventional double ejection structure described in the background of the patent No. CN 206855940U), so it is necessary to design a mold structure with a double ejection mechanism that is simple in structure and easy to implement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem found in the background art and providing an injection mold secondary ejection structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an injection mold ejecting structure of secondary, is including fixing the bed die on the base, a die cavity, a ladder groove and a plurality of connection chamber have been seted up on the bed die, and connect the chamber simultaneously with die cavity, ladder groove intercommunication, roof one has been placed on the bed die, roof two has been placed on the roof one, fixed mounting has a plurality of springs on the roof in ladder groove, and the lower extreme of spring supports tightly on roof two, fixed mounting has a plurality of thimbles one on the roof one, and the upper end of thimble one runs through roof two, the upper end fixed mounting of roof two has a plurality of thimbles two, be equipped with first extending structure between base and the roof one, roof one has a mounting panel through a plurality of connecting rod fixed mounting, and the mounting panel is the annular, and is equipped with second extending structure between mounting panel and the roof two.
In foretell injection mold secondary ejection structure, first extending structure contains mounting groove, installation cavity, cylinder one, telescopic link one, mounting groove, installation cavity have been seted up on the base, and mounting groove and installation cavity communicate each other, fixed mounting has a cylinder one on the installation cavity, fixed mounting has telescopic link one on the cylinder one, and the lower fixed surface of the upper end of telescopic link one and roof one is connected.
In foretell injection mold secondary ejection structure, the second extending structure contains two through-holes, two cylinders two, two telescopic links two and two kicking blocks, two through-holes have been seted up on the roof one, fixed mounting has two cylinders two, two on the cylinder two equal fixed mounting has a telescopic link two, two on the cylinder two the equal fixed mounting in upper end of telescopic link two has a kicking block, and the upper end of kicking block offsets with the lower extreme of roof two.
In the above-mentioned injection mold secondary ejection structure, a plurality of shoulder holes are formed on the second top plate, and the ejector pins respectively penetrate through the corresponding shoulder holes.
In the above-mentioned injection mold secondary ejection structure, the shape of the first thimble is the same as that of the second thimble, and the length of the first thimble is greater than that of the second thimble.
In the above-mentioned injection mold secondary ejection structure, the maximum groove length of the stepped groove is greater than or equal to the length of the first top plate, and the minimum groove length of the stepped groove is less than the length of the second top plate.
Compared with the prior art, the utility model discloses the advantage lies in:
1. the elasticity of the spring is utilized to enable the second top plate to always abut against the first top plate under the condition that the second top plate is not subjected to external force (thrust generated by extension of the second telescopic rod on the second top plate), and the first top plate moves through the connecting rod and the mounting plate to drive the second telescopic structure to move together, so that secondary ejection operation is facilitated;
2. the secondary ejection structure is simple, the secondary ejection operation can be completed by driving the second telescopic rod to extend through the second cylinder, the overall operation is simple, and the secondary ejection operation can be rapidly performed.
To sum up, the utility model discloses ejecting simple structure of secondary, it is easy and simple to handle, can carry out the ejecting operation of secondary fast, be convenient for ejecting from the die cavity with fashioned product.
Drawings
Fig. 1 is a schematic structural view of a secondary ejection structure of an injection mold according to the present invention;
FIG. 2 is a schematic structural view of a lower mold portion of FIG. 1;
FIG. 3 is a schematic view of the base portion of FIG. 1;
fig. 4 is an enlarged view of a portion a of fig. 1.
In the figure: the die comprises a base 1, a lower die 2, a die cavity 3, a step groove 4, a mounting groove 5, a mounting cavity 6, a first top plate 7, a second top plate 8, a spring 9, a first thimble 10, a second thimble 11, a first cylinder 12, a first telescopic rod 13, a through hole 14, a connecting rod 15, a mounting plate 16, a second cylinder 17, a second telescopic rod 18, a top block 19, a step hole 20 and a connecting cavity 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, an injection mold secondary ejection structure comprises a lower mold 2 fixed on a base 1, wherein a cavity 3, a stepped groove 4 and a plurality of connecting cavities 21 are formed in the lower mold 2, the connecting cavities 21 are communicated with the cavity 3 and the stepped groove 4, a first top plate 7 is placed on the lower mold 2, and a second top plate 8 is placed on the first top plate 7.
A plurality of springs 9 are fixedly mounted on the top wall of the stepped groove 4, the lower ends of the springs 9 are abutted against the second top plate 8, and the second top plate 8 is always in contact with the first top plate 7 under the condition that no external force is applied to the second top plate 8 due to the arrangement of the springs 9.
A plurality of first ejector pins 10 are fixedly mounted on the first ejector plate 7, the upper ends of the first ejector pins 10 penetrate through the second ejector plate 8, a plurality of second ejector pins 11 are fixedly mounted on the upper ends of the second ejector plates 8, the first ejector pins 10 and the second ejector pins 11 are identical in shape, the length of the first ejector pins 10 is larger than that of the second ejector pins 11, a plurality of stepped holes 20 are formed in the second ejector plates 8, and the first ejector pins 10 penetrate through the corresponding stepped holes 20 respectively.
The maximum groove length of the stepped groove 4 is larger than the length of the first top plate 7, the minimum groove length of the stepped groove 4 is smaller than the length of the second top plate 8, and the movable first top plate 7 and the movable second top plate 8 are limited by the aid of different lengths of the stepped groove 4.
Be equipped with first extending structure between base 1 and roof 7, first extending structure contains mounting groove 5, installation cavity 6, cylinder 12, telescopic link 13, has seted up mounting groove 5 on the base 1, installation cavity 6, and mounting groove 5 and installation cavity 6 communicate each other, and fixed mounting has a cylinder 12 on the installation cavity 6, and fixed mounting has telescopic link 13 on cylinder 12, and the lower fixed surface of the upper end of telescopic link 13 and roof 7 is connected.
Roof 7 has a mounting panel 16 through a plurality of connecting rods 15 fixed mounting, and mounting panel 16 is the annular, moves together through connecting rod 15 drive mounting panel 16 when roof 7 moves, and annular mounting panel 16 makes its removal in-process can not receive the influence of telescopic link 13.
Be equipped with second extending structure between mounting panel 16 and the roof two 8, second extending structure contains two through-holes 14, two cylinders two 17, two telescopic link two 18 and two kicking blocks 19, two through-holes 14 have been seted up on roof one 7, fixed mounting has two cylinders two 17 on mounting panel 16, equal fixed mounting has a telescopic link two 18 on two cylinders two 17, the equal fixed mounting in upper end of two telescopic link two 18 has a kicking block 19, and the upper end of kicking block 19 offsets with the lower extreme of roof two 8.
It should be noted that the first cylinder 12 and the second cylinder 17 are the same as those described in the patent document CN 208664299U.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The utility model discloses in, once ejecting step as follows: the cylinder I12 works to drive the telescopic rod I13 to extend, the telescopic rod I13 extends to drive the top plate I7 to move upwards, the top plate I7 moves upwards to drive the ejector pin I10 fixedly connected with the top plate I to move upwards, and an ejecting external force is applied to the molded article in the cavity 3; in the primary ejection process, the first top plate 7 moves to drive the mounting plate 16 to move together through the connecting rod 15, so that the distance between the second top plate 8 and the second air cylinder 17 is not changed in the primary ejection process; the secondary ejection step is as follows: the second cylinder 17 works to drive the second telescopic rod 18 to extend, and the second telescopic rod 18 extends to drive the second ejector pin 11 fixedly connected with the second telescopic rod to continuously move upwards so as to apply a secondary ejection external force to the molded article in the cavity 3.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an injection mold secondary ejection structure, includes the bed die (2) of fixing on base (1), its characterized in that, a die cavity (3), a ladder groove (4) and a plurality of connection chamber (21) have been seted up on bed die (2), and connect chamber (21) and die cavity (3), ladder groove (4) intercommunication simultaneously, roof (7) have been placed on bed die (2), roof two (8) have been placed on roof (7), fixed mounting has a plurality of springs (9) on the roof of ladder groove (4), and the lower extreme of spring (9) supports tightly on roof two (8), fixed mounting has a plurality of first (10) of thimbles on roof (7), and the upper end of first (10) of thimble runs through roof two (8), the upper end fixed mounting of roof two (8) has a plurality of second thimbles (11), be equipped with a extending structure between base (1) and roof (7), roof (7) have a mounting panel (16) through a plurality of connecting rods (15) fixed mounting, and mounting panel (16) are the annular, and are equipped with second extending structure between mounting panel (16) and roof two (8).
2. The secondary ejection structure of the injection mold according to claim 1, wherein the first telescopic structure comprises a mounting groove (5), a mounting cavity (6), a first cylinder (12) and a first telescopic rod (13), the mounting groove (5) and the mounting cavity (6) are formed in the base (1), the mounting groove (5) and the mounting cavity (6) are communicated with each other, the first cylinder (12) is fixedly mounted on the mounting cavity (6), the first telescopic rod (13) is fixedly mounted on the first cylinder (12), and the upper end of the first telescopic rod (13) is fixedly connected with the lower surface of the first top plate (7).
3. The secondary ejection structure of the injection mold according to claim 1, wherein the second telescopic structure comprises two through holes (14), two second air cylinders (17), two second telescopic rods (18) and two ejector blocks (19), the first ejector plate (7) is provided with the two through holes (14), the mounting plate (16) is fixedly provided with the two second air cylinders (17), the two second air cylinders (17) are respectively and fixedly provided with one second telescopic rod (18), the upper ends of the two second telescopic rods (18) are respectively and fixedly provided with one ejector block (19), and the upper end of the ejector block (19) abuts against the lower end of the second ejector plate (8).
4. The secondary ejection structure of an injection mold according to claim 1, wherein the second top plate (8) is provided with a plurality of stepped holes (20), and the first ejector pins (10) respectively penetrate through the corresponding stepped holes (20).
5. The secondary ejection structure of an injection mold according to claim 1, wherein the shape of the first ejector pin (10) is the same as that of the second ejector pin (11), and the length of the first ejector pin (10) is greater than that of the second ejector pin (11).
6. An injection mold double ejection structure as claimed in claim 1, wherein the maximum groove length of the stepped groove (4) is greater than or equal to the length of the first top plate (7), and the minimum groove length of the stepped groove (4) is less than the length of the second top plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920669224.XU CN209869312U (en) | 2019-05-11 | 2019-05-11 | Injection mold secondary ejection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920669224.XU CN209869312U (en) | 2019-05-11 | 2019-05-11 | Injection mold secondary ejection structure |
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| Publication Number | Publication Date |
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| CN209869312U true CN209869312U (en) | 2019-12-31 |
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| CN201920669224.XU Active CN209869312U (en) | 2019-05-11 | 2019-05-11 | Injection mold secondary ejection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020469A (en) * | 2021-03-31 | 2021-06-25 | 常州博赢精密模具科技股份有限公司 | Secondary ejection structure die for automobile trunk cover |
-
2019
- 2019-05-11 CN CN201920669224.XU patent/CN209869312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020469A (en) * | 2021-03-31 | 2021-06-25 | 常州博赢精密模具科技股份有限公司 | Secondary ejection structure die for automobile trunk cover |
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