CN204914421U - High precision injection mould - Google Patents
High precision injection mould Download PDFInfo
- Publication number
- CN204914421U CN204914421U CN201520619667.XU CN201520619667U CN204914421U CN 204914421 U CN204914421 U CN 204914421U CN 201520619667 U CN201520619667 U CN 201520619667U CN 204914421 U CN204914421 U CN 204914421U
- Authority
- CN
- China
- Prior art keywords
- projection
- locating hole
- guide pillar
- mould
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model is suitable for a mould technical field provides a high precision injection mould, including last mould and lower mould, go up the mould and include the upper die base and go up mould benevolence that the lower mould includes die holder and lower mould benevolence, going up mould benevolence and being equipped with first projection and the first locating hole that the interval set up in the die cavity periphery, lower mould benevolence is equipped with second projection and the second locating hole that the interval set up in the die cavity periphery, and first projection corresponds the cooperation with the second locating hole and the second projection corresponds the cooperation with first reference column, first projection includes that first guide pillar and external diameter are less than the second guide pillar of first guide pillar, and the second projection includes that three guide pillars and external diameter are less than the fourth guide pillar of third guide pillar. This high precision injection mould is through setting first projection and second projection to be the step form from top to bottom structure respectively to strengthen with the cooperation of second locating hole and first locating hole, can fix a position between the merciful and peaceful lower mould benevolence of mould assurances in accurate, thereby the accuracy of assurance die cavity position has improved the precision of goods afterwards of moulding plastics.
Description
Technical field
The utility model belongs to technical field of mold, particularly relates to a kind of high-precision injection mold.
Background technology
Mould be in industrial production in order to injection moulding, blowing, extrude, various mould and instrument that the method such as die casting or forging forming, smelting, punching press, stretching obtains required product.
Existing injection mold comprises dynamic model and cover half, and a part of die cavity is at dynamic model, and another part die cavity is at cover half.Sprue is at cover half, and runner is opened on die joint, and after die sinking, goods and runner stay dynamic model, and dynamic model part is provided with ejection system.After dynamic model and cover half are drawn close, middle formation injection moulding cavity, but alignment problem not accurately can be there is when drawing close, once deviation occurs in alignment, product will be made to occur quality problems.
Utility model content
The purpose of this utility model is to provide a kind of high-precision injection mold, is intended to solve the problem that in prior art, high-precision injection mold precision is not high enough.
The utility model realizes like this, a kind of high-precision injection mold, the counterdie comprising patrix and be oppositely arranged with described patrix, described patrix is comprised upper bolster and to be fixedly connected with by screw with described upper bolster and upper cores between described upper bolster and described counterdie, described counterdie is comprised die shoe and to be fixedly connected with by screw with described die shoe and lower die between described die shoe and described upper cores, forms the die cavity for pouring into plastic cement between described upper cores and described lower die; Described upper cores is provided with spaced first projection and the first locating hole in described die cavity periphery, described lower die is provided with spaced second projection and the second locating hole in described die cavity periphery, described first projection and described second locating hole corresponding matching and described second projection and described first locating hole corresponding matching; Described first projection comprises the first guide pillar of protruding along described upper cores surface and to extend and external diameter is less than the second guide pillar of described first guide pillar along described first guide pillar end, and described second projection comprises along the 3rd outstanding guide pillar of described lower die surface and along described 3rd guide pillar end and external diameter is less than the 4th guide pillar of described 3rd guide pillar.
Further, at grade, the axle center of described first projection and the axle center of described first locating hole are along circumferentially equidistantly distributing of being the center of circle with the center of described die cavity.
Further, the quantity of described first projection and described first locating hole is at least 1 respectively.
Further, described first projection and described second locating hole are matched in clearance, and described second projection and described first locating hole are matched in clearance.
The utility model relative to the technique effect of prior art is: this high-precision injection mold by arranging described first projection and described first locating hole and arrange the second locating hole coordinated with described first projection and the second projection coordinated with described first locating hole on described lower die in described upper cores, and by described first projection and described second projection being arranged respectively to up and down in step-like structure, to strengthen and the coordinating of described second locating hole and described first locating hole, ensure energy accurate positioning between upper cores and described lower die, thus ensure the accuracy of described cavity positions, improve the precision of goods after injection moulding.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in the utility model embodiment or description of the prior art below, apparently, accompanying drawing described is below only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the high-precision injection mold that the utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1, the counterdie 20 that the high-precision injection mold that the utility model embodiment provides comprises patrix 10 and is oppositely arranged with described patrix 10, described patrix 10 is comprised upper bolster 12 and to be fixedly connected with by screw 30 with described upper bolster 12 and upper cores 15 between described upper bolster 12 and described counterdie 20, described counterdie 20 is comprised die shoe 22 and to be fixedly connected with by screw 30 with described die shoe 22 and lower die 25 between described die shoe 22 and described upper cores 15, the die cavity 40 for pouring into plastic cement is formed between described upper cores 15 and described lower die 25, described upper cores 15 is provided with spaced first projection 152 and the first locating hole 154 in described die cavity 40 periphery, described lower die 25 is provided with spaced second projection 252 and the second locating hole 254 in described die cavity 40 periphery, described first projection 152 and described second locating hole 254 corresponding matching and described second projection 252 and described first locating hole 154 corresponding matching, described first projection 152 comprises the first guide pillar 1520 of protruding along described upper cores 15 surface and to extend and external diameter is less than the second guide pillar 1522 of described first guide pillar 1520 along described first guide pillar 1520 end, and described second projection 252 comprises along the 3rd outstanding guide pillar 2520 of described lower die 25 surface and along described 3rd guide pillar 2520 end and external diameter is less than the 4th guide pillar 2522 of described 3rd guide pillar 2520.
The high-precision injection mold that the utility model embodiment provides by arranging described first projection 152 and described first locating hole 154 and arrange the second locating hole 254 coordinated with described first projection 152 and the second projection 252 coordinated with described first locating hole 154 on described lower die 25 in described upper cores 15, and by described first projection 152 and described second projection 252 being arranged respectively to up and down in step-like structure, to strengthen and the coordinating of described second locating hole 254 and described first locating hole 154, ensure energy accurate positioning between upper cores 15 and described lower die 25, thus ensure the accuracy of described die cavity 40 position, improve the precision of goods after injection moulding.
Further, at grade, the axle center of described first projection 152 and the axle center of described first locating hole 154 are along circumferentially equidistantly distributing of being the center of circle with the center of described die cavity 40.Understandably, at grade, the axle center of the axle center of described second projection 252 and the axle center of described second locating hole 254 and described first projection 152 and the axle center of described first locating hole 154 are positioned at circumferentially same, to ensure the accuracy after upper cores 15 and described lower die 25 matched moulds.By the equidistant distribution of the first projection 152 and described first locating hole 154 to improve upper cores 15 and the uniform force of each several part during described lower die 25 matched moulds, improve accuracy.Preferably, the quantity of described first projection 152 and described first locating hole 154 is at least 1 respectively.More preferably, the quantity of described first projection 152 is 2, and the quantity of described first locating hole 154 is 2.
Further, described first projection 152 is matched in clearance with described second locating hole 254, and described second projection 252 is matched in clearance with described first locating hole 154.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a high-precision injection mold, the counterdie comprising patrix and be oppositely arranged with described patrix, it is characterized in that, described patrix is comprised upper bolster and to be fixedly connected with by screw with described upper bolster and upper cores between described upper bolster and described counterdie, described counterdie is comprised die shoe and to be fixedly connected with by screw with described die shoe and lower die between described die shoe and described upper cores, forms the die cavity for pouring into plastic cement between described upper cores and described lower die; Described upper cores is provided with spaced first projection and the first locating hole in described die cavity periphery, described lower die is provided with spaced second projection and the second locating hole in described die cavity periphery, described first projection and described second locating hole corresponding matching and described second projection and described first locating hole corresponding matching; Described first projection comprises the first guide pillar of protruding along described upper cores surface and to extend and external diameter is less than the second guide pillar of described first guide pillar along described first guide pillar end, and described second projection comprises along the 3rd outstanding guide pillar of described lower die surface and along described 3rd guide pillar end and external diameter is less than the 4th guide pillar of described 3rd guide pillar.
2. high-precision injection mold as claimed in claim 1, is characterized in that, at grade, the axle center of described first projection and the axle center of described first locating hole are along circumferentially equidistantly distributing of being the center of circle with the center of described die cavity.
3. high-precision injection mold as claimed in claim 1, it is characterized in that, the quantity of described first projection and described first locating hole is at least 1 respectively.
4. high-precision injection mold as claimed in claim 1, it is characterized in that, described first projection and described second locating hole are matched in clearance, and described second projection and described first locating hole are matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619667.XU CN204914421U (en) | 2015-08-17 | 2015-08-17 | High precision injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619667.XU CN204914421U (en) | 2015-08-17 | 2015-08-17 | High precision injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204914421U true CN204914421U (en) | 2015-12-30 |
Family
ID=54963594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520619667.XU Expired - Fee Related CN204914421U (en) | 2015-08-17 | 2015-08-17 | High precision injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204914421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109049535A (en) * | 2018-09-07 | 2018-12-21 | 瑞安市亚力汽车零部件有限公司 | A kind of worm shaft processing mold |
-
2015
- 2015-08-17 CN CN201520619667.XU patent/CN204914421U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109049535A (en) * | 2018-09-07 | 2018-12-21 | 瑞安市亚力汽车零部件有限公司 | A kind of worm shaft processing mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20190817 |