CN220741964U - Injection molding structure for preventing uneven thickness of transition area - Google Patents
Injection molding structure for preventing uneven thickness of transition area Download PDFInfo
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- CN220741964U CN220741964U CN202322312531.1U CN202322312531U CN220741964U CN 220741964 U CN220741964 U CN 220741964U CN 202322312531 U CN202322312531 U CN 202322312531U CN 220741964 U CN220741964 U CN 220741964U
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- die
- upper die
- core
- positioning
- lower die
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- 230000007704 transition Effects 0.000 title claims abstract description 41
- 238000001746 injection moulding Methods 0.000 title claims abstract description 21
- 210000000746 body region Anatomy 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model relates to an injection molding structure for preventing uneven thickness of a transition zone, which comprises a high concentricity core-embedded structure matched with a forming die cavity of a cover body; the high concentricity core embedding structure comprises a lower die, a lower die main body is arranged on the lower die, a lower die groove matched with the cover body is formed in the lower die main body, and a lower reference positioning structure for positioning the lower die groove is arranged on the lower die; the high concentricity core embedding structure also comprises an upper die, wherein the upper die comprises an outer region corresponding body corresponding to the cover surface and an upper die core embedding body which penetrates through the outer region corresponding body to form a transition surface and a cover body region; the upper die is provided with an upper die positioning groove matched with the lower reference positioning structure for use corresponding to the upper die core inserting part, so that concentricity of the transition surface corresponding to elements on two sides of the upper die and the lower die is effectively ensured, and an injection molding die for preventing uneven thickness of a transition area is formed.
Description
Technical Field
The utility model relates to a precision manufacturing technology, in particular to an injection molding technology, and specifically relates to an injection molding structure for preventing uneven thickness of a transition area.
Background
Referring to fig. 1, a cover body 100 includes a cover surface 101, the cover surface 101 is connected with a cover body 102, the cover surface 101 is connected with the cover body 102 through a transition surface 103, and in the design of a conventional injection molding mold, elements on two sides of the cover body 100 are correspondingly processed and distributed to an upper mold and a lower mold, particularly, the upper mold and the lower mold correspond to the transition surface 103, and corresponding deviation and thickness deviation are easily generated in the area of the upper mold and the lower mold corresponding to the transition surface 103, thereby influencing the product quality.
Accordingly, there is a need to provide an injection molded structure that prevents uneven thickness in the transition region to address the above-described issues.
Disclosure of Invention
The utility model aims to provide an injection molding structure for preventing uneven thickness of a transition area.
The technical proposal is as follows:
an injection molding structure for preventing uneven thickness in a transition area comprises a high concentricity core-embedded structure which is matched with a cover body molding cavity;
the high concentricity core embedding structure comprises a lower die, a lower die main body is arranged on the lower die, a lower die groove matched with the cover body is formed in the lower die main body, and a lower reference positioning structure for positioning the lower die groove is arranged on the lower die;
the high concentricity core embedding structure also comprises an upper die, wherein the upper die comprises an outer region corresponding body corresponding to the cover surface and an upper die core embedding body which penetrates through the outer region corresponding body to form a transition surface and a cover body region;
the upper die is provided with an upper die positioning groove matched with the lower reference positioning structure for use corresponding to the upper die core inserting part, so that concentricity of the transition surface corresponding to elements on two sides of the upper die and the lower die is effectively ensured, and an injection molding die for preventing uneven thickness of a transition area is formed.
Further, the lower reference positioning structure comprises an external mold changing positioning groove which is arranged on the lower mold main body, and the external mold changing positioning groove is correspondingly provided with a lower reference fixing part to form a lower mold basic reference part.
Further, the lower die is also provided with a lower reference corresponding center hole matched with the upper die core insert.
Further, an upper reference corresponding hole matched with the lower reference corresponding center hole is formed in the upper die embedded core.
Further, the upper die positioning groove is funnel-shaped, and the lower end of the upper die positioning groove is connected with the corresponding die groove of the transition surface.
Further, the overflow area locating right angle is further arranged on the lower die embedded core corresponding to the transition surface, the overflow area locating right angle is used as an upper area locating body matched with the lower portion reference locating structure, the formed overflow portion is processed and removed after the product is formed, and the external matching corresponding area centering injection molding setting structure is formed.
Compared with the prior art, the injection molding die has the advantages that through the injection molding die capable of preventing uneven thickness of the transition area, concentricity of the transition surface corresponding to elements on two sides of the upper die and the lower die is effectively ensured, uneven thickness of the transition area is prevented, and quality of products is ensured.
Drawings
Fig. 1 is a schematic structural view of a cover 100.
Fig. 2 is a schematic structural view of the present utility model.
Description of the embodiments
Examples
Referring to fig. 2, the present embodiment shows an injection molding structure for preventing uneven thickness in the transition region, comprising a high concentricity core-insert structure 200 used in combination to form a molding cavity for a cover;
the high concentricity core-embedded structure 200 comprises a lower die 1, a lower die main body 11 is arranged on the lower die 1, a lower die groove 12 matched with the cover body is formed in the lower die main body 11, and a lower reference positioning structure 10 for positioning the lower die groove 12 is arranged on the lower die 1;
the high concentricity core-insert structure 200 further comprises an upper die 2, wherein the upper die 2 comprises an outer region corresponding body 21 corresponding to the cover surface 101, and an upper die core-insert 3 penetrating through the outer region corresponding body 21 to form a transition surface 103 and a cover body 102 region;
the upper die 2 is provided with an upper die positioning groove 21 matched with the lower reference positioning structure 10 for use at the penetrating part of the upper die embedded core 3, so that concentricity of the transition surface 103 corresponding to elements at two sides of the upper die and the lower die is effectively ensured, and an injection molding die for preventing uneven thickness of a transition region is formed.
The lower reference positioning structure 10 includes an external mold-changing positioning groove 101 formed in the lower mold main body 11, and the external mold-changing positioning groove 101 is correspondingly provided with a lower reference fixing portion to form a lower mold base reference portion.
The lower die 1 is also provided with a lower reference corresponding center hole 4 matched with the upper die embedded core 3.
The upper die insert 3 is provided with an upper reference corresponding hole 31 which is matched with the lower reference corresponding center hole 4.
The upper die positioning groove 21 is funnel-shaped, and the lower end is connected with a corresponding die groove of the transition surface.
The lower die embedded core 3 is further provided with an overflow area positioning right angle 30 corresponding to the transition surface, the overflow area positioning right angle 30 is used as an upper area positioning body matched with a lower reference positioning structure, the formed overflow part is processed and removed after product molding, and an external matching corresponding area centering injection molding setting structure is formed.
Compared with the prior art, the injection molding die has the advantages that through the injection molding die capable of preventing uneven thickness of the transition area, concentricity of the transition surface corresponding to elements on two sides of the upper die and the lower die is effectively ensured, uneven thickness of the transition area is prevented, and quality of products is ensured.
The foregoing are some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (6)
1. An injection molding structure for preventing uneven thickness in a transition area, which is characterized in that: comprises a high concentricity core-embedded structure which is matched with the cover body to form a molding die cavity;
the high concentricity core embedding structure comprises a lower die, a lower die main body is arranged on the lower die, a lower die groove matched with the cover body is formed in the lower die main body, and a lower reference positioning structure for positioning the lower die groove is arranged on the lower die;
the high concentricity core embedding structure also comprises an upper die, wherein the upper die comprises an outer region corresponding body corresponding to the cover surface and an upper die core embedding body which penetrates through the outer region corresponding body to form a transition surface and a cover body region;
the upper die is provided with an upper die positioning groove matched with the lower reference positioning structure for use corresponding to the upper die core inserting part, so that concentricity of the transition surface corresponding to elements on two sides of the upper die and the lower die is effectively ensured, and an injection molding die for preventing uneven thickness of a transition area is formed.
2. An injection molded structure for preventing thickness unevenness in a transition zone according to claim 1, wherein: the lower reference positioning structure comprises an external mold changing positioning groove which is arranged on the lower mold main body, and the external mold changing positioning groove is correspondingly provided with a lower reference fixing part to form a lower mold basic reference part.
3. An injection molded structure for preventing thickness unevenness in a transition zone according to claim 2, wherein: the lower die is also provided with a lower reference corresponding center hole matched with the upper die core insert.
4. An injection molded structure for preventing thickness unevenness in a transition zone according to claim 3, wherein: the upper die embedding core is provided with an upper reference corresponding hole matched with the lower reference corresponding center hole.
5. An injection molded structure for preventing thickness variation in a transition zone as defined in claim 4, wherein: the upper die positioning groove is funnel-shaped, and the lower end is connected with the corresponding die groove of the transition surface.
6. An injection molded structure for preventing thickness variation in a transition zone as defined in claim 5, wherein: the lower die embedded core is also provided with an overflow area positioning right angle corresponding to the transition surface, the overflow area positioning right angle is used as an upper area positioning body matched with the lower reference positioning structure, the formed overflow part is processed and removed after the product is molded, and an external matched corresponding area is formed for centering injection molding setting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322312531.1U CN220741964U (en) | 2023-08-28 | 2023-08-28 | Injection molding structure for preventing uneven thickness of transition area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322312531.1U CN220741964U (en) | 2023-08-28 | 2023-08-28 | Injection molding structure for preventing uneven thickness of transition area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220741964U true CN220741964U (en) | 2024-04-09 |
Family
ID=90560205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322312531.1U Active CN220741964U (en) | 2023-08-28 | 2023-08-28 | Injection molding structure for preventing uneven thickness of transition area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220741964U (en) |
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2023
- 2023-08-28 CN CN202322312531.1U patent/CN220741964U/en active Active
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