CN215619550U - High-concentricity injection molding die - Google Patents
High-concentricity injection molding die Download PDFInfo
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- CN215619550U CN215619550U CN202122274739.XU CN202122274739U CN215619550U CN 215619550 U CN215619550 U CN 215619550U CN 202122274739 U CN202122274739 U CN 202122274739U CN 215619550 U CN215619550 U CN 215619550U
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Abstract
The utility model relates to a high-concentricity injection molding mould, which comprises a mould core, wherein the mould core comprises a shell corresponding body correspondingly forming a coil framework, the shell corresponding body is correspondingly provided with a central hole corresponding column, and the central hole corresponding column and the shell corresponding body are correspondingly formed into a coil framework cavity; the central hole corresponding column comprises a lower central hole corresponding column body, the lower central hole corresponding column body is connected with the upper central hole corresponding column body through an accurate positioning structure, and the lower central hole corresponding column body and the upper central hole corresponding column body form a combined high-concentricity die cavity structure through the accurate positioning structure. According to the utility model, the central hole die cavity of the coil framework is separately arranged through the accurate positioning structure, and the accurate positioning structure enables the lower central hole corresponding cylinder and the upper central hole corresponding cylinder to form a combined high-concentricity die cavity structure, so that the concentricity of the central hole forming of the coil framework is ensured, and the production stability and the qualified rate of products are ensured.
Description
Technical Field
The utility model relates to an injection molding production technology, in particular to a high-concentricity injection molding die.
Background
Injection molding is a common plastic product preparation method, but the injection molding of partial products at the present stage has problems to be solved, such as the coil frame 100, the coil frame 100 is used for transformers, high-low voltage electric cabinet coils, coil winding links and the key thereof, and if the center hole of the coil frame 100 has eccentricity, poor winding can be caused, and voltage instability is caused.
In the existing injection molding mode, a mold core is set integrally, a central hole of a coil framework 100 forms a corresponding mold cavity through an integral cylinder, but the central hole 100 of the coil framework comprises a lower central hole 101 and an upper central hole 102, the outer diameter of the upper central hole 102 is larger than that of the lower central hole 101, and the connecting part of the lower central hole 101 and the upper central hole 102 is step-shaped; the setting mode of the steps of the center hole of the die at the present stage is easy to cause eccentricity, the product quality cannot be ensured, and the production is unstable.
Therefore, it is necessary to provide a high-concentricity injection molding die to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-concentricity injection molding die.
The first technical scheme is as follows:
a high-concentricity injection molding mould comprises a mould core, wherein the mould core comprises a shell corresponding body correspondingly forming a coil framework, the shell corresponding body is correspondingly provided with a central hole corresponding column, and the central hole corresponding column and the shell corresponding body are correspondingly formed into a coil framework cavity; the central hole corresponding column comprises a lower central hole corresponding column body, the lower central hole corresponding column body is connected with the upper central hole corresponding column body through an accurate positioning structure, and the lower central hole corresponding column body and the upper central hole corresponding column body form a combined high-concentricity die cavity structure through the accurate positioning structure.
Furthermore, accurate location structure is including setting up in the constant head tank that the centre bore corresponds the cylinder center down to and set up in the location boss that the cylinder matches with the constant head tank that corresponds the centre bore.
Furthermore, the positioning groove is a circular groove body or a regular polygonal groove body.
Furthermore, the shell corresponding body comprises a lower corresponding block, a splicing block spliced with the lower corresponding block to form the appearance of the coil framework, and an upper corresponding block arranged corresponding to the lower corresponding block and used for forming the appearance of the top of the coil framework.
Furthermore, the two sides of the corresponding body of the shell are both provided with a jacking block, the jacking block on one side jacks the splicing block, and the jacking block jacks the vertical plane of the end face of the splicing block.
Furthermore, the other side end face of the jacking block is a slope face, and a pressing and holding fixed block for pressing and holding the slope face of the jacking block is correspondingly arranged on the die carrier.
Furthermore, the jacking block is fixedly connected with the die carrier through an oblique fixed rod.
Compared with the prior art, the utility model has the advantages that the center hole die cavity of the coil framework is separately arranged through the accurate positioning structure, the accurate positioning structure enables the lower center hole corresponding cylinder and the upper center hole corresponding cylinder to form a combined type high-concentricity die cavity structure, the concentricity of the formed center hole of the coil framework is ensured, and the production stability and the qualified rate of products are ensured.
Drawings
Fig. 1 is a schematic diagram of a bobbin 100.
Fig. 2 is one of the structural schematic diagrams of the present invention.
FIG. 3 is a second schematic structural diagram of the present invention.
Detailed Description
Example (b):
referring to fig. 2-3, the embodiment shows a high-concentricity injection molding mold, which includes a mold core, the mold core includes a shell corresponding body 1 correspondingly forming a coil skeleton, the shell corresponding body 1 is correspondingly provided with a central hole corresponding column 2, the central hole corresponding column 2 and the shell corresponding body 1 correspond to form a cavity of the coil skeleton 100; the central hole corresponding column 2 comprises a lower central hole corresponding column body 21, the lower central hole corresponding column body 21 is connected with an upper central hole corresponding column body 22 through a precise positioning structure, and the lower central hole corresponding column body 21 and the upper central hole corresponding column body 22 form a combined high-concentricity die cavity structure through the precise positioning structure.
The precise positioning structure includes a positioning groove 211 disposed at the center of the lower central hole corresponding to the cylinder 21, and a positioning boss 221 disposed at the center of the upper central hole corresponding to the cylinder 22 and matching with the positioning groove.
The positioning groove 211 is a circular groove body or a regular polygonal groove body.
The housing counter body 1 includes a lower counter block 11, a splicing block 12 spliced with the lower counter block 11 to form the shape of the bobbin 100, and an upper counter block (not shown) disposed corresponding to the lower counter block 11 for forming the top shape of the bobbin 100.
The two sides of the shell corresponding body 1 are both provided with a jacking block 3, the jacking block 3 on one side jacks the splicing block 12, and the jacking block 3 jacks the end face vertical plane of the splicing block 12.
The other side end face of the supporting block 3 is a slope face, and a pressing and supporting fixed block 4 for pressing and supporting the slope face of the supporting block is correspondingly arranged on the die carrier.
The jacking block 3 is also fixedly connected with the die carrier through an oblique fixed rod 5.
Compared with the prior art, the utility model has the advantages that the center hole die cavity of the coil framework is separately arranged through the accurate positioning structure, the accurate positioning structure enables the lower center hole corresponding cylinder and the upper center hole corresponding cylinder to form a combined type high-concentricity die cavity structure, the concentricity of the formed center hole of the coil framework is ensured, and the production stability and the qualified rate of products are ensured.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a high concentricity injection moulding mould which characterized in that: the mold core comprises a shell corresponding body which correspondingly forms a coil framework, the shell corresponding body is correspondingly provided with a central hole corresponding column, and the central hole corresponding column and the shell corresponding body correspondingly form a coil framework cavity; the central hole corresponding column comprises a lower central hole corresponding column body, the lower central hole corresponding column body is connected with the upper central hole corresponding column body through an accurate positioning structure, and the lower central hole corresponding column body and the upper central hole corresponding column body form a combined high-concentricity die cavity structure through the accurate positioning structure.
2. The high concentricity injection molding die of claim 1, wherein: the accurate positioning structure comprises a positioning groove arranged at the center of the lower center hole corresponding to the cylinder, and a positioning boss arranged at the upper center hole corresponding to the cylinder and matched with the positioning groove.
3. The high concentricity injection molding die of claim 2, wherein: the positioning groove is a circular groove body or a regular polygonal groove body.
4. A high concentricity injection moulding die as claimed in any one of claims 1 to 3 wherein: the shell corresponding body comprises a lower corresponding block, a splicing block spliced with the lower corresponding block to form the appearance of the coil framework, and an upper corresponding block arranged corresponding to the lower corresponding block and used for forming the appearance of the top of the coil framework.
5. The high concentricity injection molding die of claim 4, wherein: the two sides of the corresponding body of the shell are both provided with a jacking block, the jacking block on one side jacks the splicing blocks, and the jacking block jacks the vertical plane of the end face of the splicing block.
6. The high concentricity injection molding die of claim 5, wherein: the other side end face of the jacking block is a slope face, and a pressing and holding fixed block for pressing and holding the slope face of the jacking block is correspondingly arranged on the die carrier.
7. The high concentricity injection molding mold of claim 6, wherein: the jacking block is also fixedly connected with the die carrier through an oblique fixed rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274739.XU CN215619550U (en) | 2021-09-18 | 2021-09-18 | High-concentricity injection molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274739.XU CN215619550U (en) | 2021-09-18 | 2021-09-18 | High-concentricity injection molding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215619550U true CN215619550U (en) | 2022-01-25 |
Family
ID=79917903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122274739.XU Active CN215619550U (en) | 2021-09-18 | 2021-09-18 | High-concentricity injection molding die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215619550U (en) |
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2021
- 2021-09-18 CN CN202122274739.XU patent/CN215619550U/en active Active
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