CN214521641U - Injection mold capable of improving demolding efficiency - Google Patents
Injection mold capable of improving demolding efficiency Download PDFInfo
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- CN214521641U CN214521641U CN202120664033.1U CN202120664033U CN214521641U CN 214521641 U CN214521641 U CN 214521641U CN 202120664033 U CN202120664033 U CN 202120664033U CN 214521641 U CN214521641 U CN 214521641U
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Abstract
The utility model belongs to the technical field of the injection mold and specifically relates to a can realize that great, and the inconsistent product of thickness carries out fashioned injection mold that promotes drawing of patterns efficiency, it includes module and lower module, the module has at least one lower die cavity down, arbitrary down the corresponding thimble group in die cavity, thimble group is including main needle and a plurality of supplementary needle, main needle can wear to locate in the lower die cavity, a plurality of supplementary needles are followed the inner wall interval of die cavity sets up down to carry out axial displacement and realize ejecting drawing of patterns by a roof group drive. The utility model discloses a main thimble and a plurality of supplementary needle cooperation are realized ejecting to the product, carry out the ejecting in-process of main part at main thimble, utilize a plurality of supplementary needle cooperations to assist ejecting to ensure the high-efficient realization of drawing of patterns process, and effectively avoid appearing because of the circumstances such as product damage that ejecting structure leads to in the drawing of patterns in-process.
Description
Technical Field
The utility model belongs to the technical field of the injection mold and specifically relates to an injection mold that can realize that thickness is great, reach the product of thickness nonconformity and carry out fashioned promotion drawing of patterns efficiency.
Background
The injection molding is widely applied to the production and processing of plastic parts due to the advantages of high processing accuracy, high molding efficiency and the like, and the mold for realizing the injection molding processing is also designed and improved due to different processed products.
The injection molding process is relatively accurate for the existing products with larger thickness or inconsistent thickness, the product is difficult to demold due to poor ejection effect of the ejector rod in the demolding process, and the products are damaged greatly after demolding and need to be further repaired, so that the processing cost is improved and the processing efficiency is reduced.
Therefore, how to improve the ejection structure in the mold forming process for the product with larger thickness or inconsistent thickness is one of the technical problems to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model discloses a technical scheme of an injection mold for improving demolding efficiency, which comprises an upper module and a lower module, wherein the upper module is provided with a cavity;
the lower die set is provided with at least one lower die cavity, any lower die cavity corresponds to a thimble group, the thimble group comprises a main needle and a plurality of auxiliary needles, the main needle can penetrate through the lower die cavity, the auxiliary needles are arranged at intervals along the inner wall of the lower die cavity, and the ejection and demolding are realized by driving the thimble group to perform axial displacement.
Further preferred is: the diameter of the main needle is larger than that of each auxiliary needle.
Further preferred is: the top end of the main needle is a main ejection end, and the main ejection end is a tip end;
the top end of each auxiliary needle is an auxiliary ejection end, and the auxiliary ejection end is a plane end.
Further preferred is: the number of the main needles is 1-2, and the number of the auxiliary needles is 3-8.
Further preferred is: lower module is including from last lower bolster, the bottom plate that sets gradually down, wherein:
the lower template is connected with the lower fixing plate at intervals and forms a cavity area;
the cavity area is provided with the top plate group and a guide post vertically arranged on the lower fixing plate, and the top plate group is sleeved on the guide post and slides and displaces along the direction of the guide post so as to drive demoulding.
Further preferred is: the lower template is provided with the lower die cavity.
Further preferred is: the lower die cavity is arranged on a lower die core, and the lower die core is embedded in the middle of the lower die plate.
Further preferred is: go up the module and include from last to stacking in proper order down and establish continuous roof, fixed plate, cope match-plate pattern, wherein:
the upper die plate is provided with an upper die cavity, and the upper die cavity and the lower die cavity are matched to form an injection molding cavity.
Further preferred is: the pneumatic clamping group comprises two clamping units which are symmetrically distributed on two sides of the lower die set;
each clamping unit comprises a fixing frame and a clamping mechanism, the fixing frame is fixed on the outer side wall of the lower template, the clamping mechanism is arranged on the fixing frame, and a clamping end of the clamping mechanism corresponds to the injection molding cavity.
Further preferred is: the clamping mechanism comprises a clamping cylinder and a clamping push block, the clamping cylinder is fixed on the fixing frame, and the output end of the clamping cylinder is connected with the clamping push block so as to drive the clamping push block to perform pneumatic clamping.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses a main thimble and a plurality of supplementary needle cooperation are realized ejecting to the product, carry out the ejecting in-process of main part at main thimble, utilize a plurality of supplementary needle cooperations to assist ejecting to ensure the high-efficient realization of drawing of patterns process, and effectively avoid appearing because of the circumstances such as product damage that ejecting structure leads to in the drawing of patterns in-process.
Drawings
Fig. 1 is a schematic structural perspective view of an injection mold for improving demolding efficiency in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the structure of FIG. 1;
fig. 3 is a top view of the structure of the thimble group in the embodiment of the present invention.
Detailed Description
The injection molding process is relatively accurate for the existing products with larger thickness or inconsistent thickness, the product is difficult to demold due to poor ejection effect of the ejector rod in the demolding process, and the products are damaged greatly after demolding and need to be further repaired, so that the processing cost is improved and the processing efficiency is reduced.
The inventor continuously researches and discovers a technical scheme of the injection mold for improving the demolding efficiency by aiming at the technical problems through analyzing reasons, wherein the technical scheme comprises an upper mold set and a lower mold set;
the lower die set is provided with at least one lower die cavity, any lower die cavity corresponds to a thimble group, the thimble group comprises a main needle and a plurality of auxiliary needles, the main needle can penetrate through the lower die cavity, the auxiliary needles are arranged at intervals along the inner wall of the lower die cavity, and the ejection and demolding are realized by driving the thimble group to perform axial displacement.
Among the above-mentioned technical scheme, adopt main thimble and a plurality of supplementary needle cooperation to realize ejecting to the product, carry out main part ejecting in-process at main thimble, utilize a plurality of supplementary needle cooperations to assist ejecting to ensure that the drawing of patterns process is high-efficient to be realized, and effectively avoid appearing because of the circumstances such as product damage that ejecting structure leads to in the drawing of patterns in-process, effectively solve the technical problem who exists among the prior art.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Example (b):
as shown in fig. 1 and 2, an injection mold for improving demolding efficiency includes an upper mold set 1, a lower mold set 2, and a pneumatic clamping set; the upper and lower modules 1 and 2 are stacked, wherein:
the upper die set 1 comprises a top plate 1-1, a fixed plate 1-2 and a lower die plate 1-3 which are sequentially overlapped and connected from top to bottom, an upper die core is embedded in the upper die plate 1-3, an upper die cavity is formed in the upper die core, and the number of the upper die cavities can be set according to specific processing requirements; as an embodiment of the present invention, the number of the upper mold cavities is two;
specifically, the method comprises the following steps: glue injection holes penetrating through the upper die cavities are formed in the top plate 1-1 and the fixing plate 1-2 so as to form glue injection runners, and the two upper die cavities are arranged at intervals;
as shown in fig. 1 and 2, the lower module 2 includes a lower template 2-1 and a lower fixing plate 2-2, which are sequentially arranged from top to bottom, the lower template 2-1 and the lower fixing plate 2-2 are connected by a vertical plate, and a support is formed between the lower template 2-1 and the lower fixing plate 2-2 to obtain a cavity area; a top plate group 4 and a guide post are arranged in the cavity area, the guide post is erected between the lower fixing plate 2-2 and the lower template 2-1, and is sleeved with a spring; the top plate group 4 is sleeved on the guide post and slides and displaces along the direction of the guide post so as to drive demoulding, the top plate group 4 comprises two stacked plate bodies which are respectively a top plate fixing plate and a top plate, and the top plate is positioned on the top plate fixing plate;
as shown in fig. 1 and fig. 2, a lower mold core is embedded in the lower mold plate 2-1, the lower mold core is provided with a lower mold cavity a, the lower mold cavity a is matched with the upper mold cavity, as an embodiment of the present invention, the number of the lower mold cavities a is two, each upper mold cavity is disposed above the lower mold cavity a, and an injection molding cavity is formed, that is: the number of the injection molding cavities is two in the embodiment;
as shown in fig. 1 and 2, the pneumatic clamping group 3 includes two clamping units symmetrically distributed on two sides of the lower module; each clamping unit comprises a fixed frame 3-1 and a clamping mechanism 3-2, the fixed frame 3-1 is a C-shaped plate body, the open end of the fixed frame is fixed on the outer side wall of the lower template 2-1, the clamping mechanism 3-2 is arranged on the fixed frame 3-1, and the clamping end of the clamping mechanism corresponds to the injection molding cavity; the clamping mechanism 3-2 comprises a clamping cylinder and a clamping push block, the clamping cylinder is fixed on the fixed frame, and the output end of the clamping cylinder is connected with the clamping push block so as to drive the clamping push block to perform pneumatic clamping;
specifically, the method comprises the following steps: the clamping push block comprises a block body and a linkage plate, the block body is embedded in the middle of the linkage plate, two clamping push rods are arranged on the corresponding side faces of the linkage plate, and the two clamping push rods respectively correspond to the two injection molding cavities.
As shown in fig. 1 to 3, the top plate group 4 is provided with a top pin group 5, and the top pin group 5 is disposed corresponding to the lower mold cavity a, that is: in this embodiment, the number of the thimble groups 5 is two, and the thimble groups are respectively arranged corresponding to the two lower mold cavities a;
as shown in fig. 1 to 3, each thimble assembly 5 is mounted on the top plate assembly 4 and is driven by a top plate in the top plate assembly 4 to perform axial displacement so as to realize ejection and demolding; each thimble group 5 comprises a main needle 5-1 and a plurality of auxiliary needles 5-2, the thimble 5-1 can penetrate through the lower die cavity A, the plurality of auxiliary needles 5-2 are arranged at intervals along the inner wall of the lower die cavity A, the number of the main needles 5-1 is 1-2, and the number of the plurality of auxiliary needles 5-2 is 3-8;
as shown in fig. 1 to 3, the top end of any one of the main needles 5-1 is a main ejection end, and the main ejection end is a tip end; the top end of each auxiliary needle 5-2 is an auxiliary ejection end which is a plane end; the diameter of the main needle 5-1 is larger than that of each auxiliary needle 5-2.
Specifically, the method comprises the following steps: each auxiliary needle 5-2 comprises a needle handle part and a needle part which are integrally connected, the needle part is flat, one end connected with the needle handle part is a large-diameter end, and the top end of the needle part is a plane so as to better realize ejection; the main needle is a cylinder, and only the main ejection end of the main needle is a tip.
More preferably: the top of each auxiliary needle is provided with and promotes protruding, promote protruding towards the middle part of injection moulding cavity is protruding, promote protruding hemispherical arch, two auxiliary needles cooperation on the relative lateral wall can effectual pressurization and centre gripping product in the process of ejecting drawing of patterns to further promote drawing of patterns efficiency.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make modifications and changes without departing from the spirit and scope of the present invention.
Claims (10)
1. Promote injection mold of drawing of patterns efficiency, its characterized in that: it comprises an upper module and a lower module, wherein;
the lower die set is provided with at least one lower die cavity, any lower die cavity corresponds to a thimble group, the thimble group comprises a main needle and a plurality of auxiliary needles, the main needle can penetrate through the lower die cavity, the auxiliary needles are arranged at intervals along the inner wall of the lower die cavity, and the ejection and demolding are realized by driving the thimble group to perform axial displacement.
2. The injection mold for improving demolding efficiency as claimed in claim 1, wherein: the diameter of the main needle is larger than that of each auxiliary needle.
3. The injection mold for improving demolding efficiency as claimed in claim 1 or 2, wherein: the top end of the main needle is a main ejection end, and the main ejection end is a tip end;
the top end of each auxiliary needle is an auxiliary ejection end, and the auxiliary ejection end is a plane end.
4. The injection mold for improving demolding efficiency as claimed in claim 3, wherein: the number of the main needles is 1-2, and the number of the auxiliary needles is 3-8.
5. The injection mold for improving demolding efficiency as claimed in claim 1, wherein: lower module is including from last lower bolster, the bottom plate that sets gradually down, wherein:
the lower template is connected with the lower fixing plate at intervals and forms a cavity area;
the cavity area is provided with the top plate group and a guide post vertically arranged on the lower fixing plate, and the top plate group is sleeved on the guide post and slides and displaces along the direction of the guide post so as to drive demoulding.
6. The injection mold for improving demolding efficiency as claimed in claim 5, wherein: the lower template is provided with the lower die cavity.
7. The injection mold for improving demolding efficiency as claimed in claim 6, wherein: the lower die cavity is arranged on a lower die core, and the lower die core is embedded in the middle of the lower die plate.
8. The injection mold for improving demolding efficiency as claimed in claim 5, wherein: go up the module and include from last to stacking in proper order down and establish continuous roof, fixed plate, cope match-plate pattern, wherein:
the upper die plate is provided with an upper die cavity, and the upper die cavity and the lower die cavity are matched to form an injection molding cavity.
9. The injection mold for improving demolding efficiency as claimed in claim 8, wherein: the pneumatic clamping group comprises two clamping units which are symmetrically distributed on two sides of the lower die set;
each clamping unit comprises a fixing frame and a clamping mechanism, the fixing frame is fixed on the outer side wall of the lower template, the clamping mechanism is arranged on the fixing frame, and a clamping end of the clamping mechanism corresponds to the injection molding cavity.
10. The injection mold for improving demolding efficiency as claimed in claim 9, wherein: the clamping mechanism comprises a clamping cylinder and a clamping push block, the clamping cylinder is fixed on the fixing frame, and the output end of the clamping cylinder is connected with the clamping push block so as to drive the clamping push block to perform pneumatic clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120664033.1U CN214521641U (en) | 2021-03-31 | 2021-03-31 | Injection mold capable of improving demolding efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120664033.1U CN214521641U (en) | 2021-03-31 | 2021-03-31 | Injection mold capable of improving demolding efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214521641U true CN214521641U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120664033.1U Active CN214521641U (en) | 2021-03-31 | 2021-03-31 | Injection mold capable of improving demolding efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214521641U (en) |
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2021
- 2021-03-31 CN CN202120664033.1U patent/CN214521641U/en active Active
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Effective date of registration: 20230802 Address after: Room 1201-4, No. 1707, Wulian Road, Tong'an District, Xiamen, Fujian 361000 Patentee after: Xiamen Kaiyuansheng Industrial Co.,Ltd. Address before: 1 / F, No.2 workshop, 69 Tongsheng Road, Tong'an industrial concentration area, Xiamen City, Fujian Province, 361000 Patentee before: Xiamen kaiyuanda Technology Co.,Ltd. |