CN220995293U - Multi-station efficient injection mold - Google Patents
Multi-station efficient injection mold Download PDFInfo
- Publication number
- CN220995293U CN220995293U CN202322972315.XU CN202322972315U CN220995293U CN 220995293 U CN220995293 U CN 220995293U CN 202322972315 U CN202322972315 U CN 202322972315U CN 220995293 U CN220995293 U CN 220995293U
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- 238000002347 injection Methods 0.000 title claims abstract description 13
- 239000007924 injection Substances 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000001746 injection moulding Methods 0.000 description 8
- 239000002699 waste material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a multi-station efficient injection mold, which relates to the technical field of molds and comprises an upper mold and a corresponding lower mold, wherein the upper mold is provided with an upper mold core, the lower mold is provided with a lower mold core, and the upper mold core and the lower mold core are mutually butted to form a mold cavity of a molded product; a first groove and a second groove which are opposite and symmetrically arranged are formed along the parting surface of the lower die core, a convex stepped part is formed between the first groove and the second groove, a plurality of first stations and second stations which are uniformly distributed are respectively arranged on the surfaces of the first groove and the second groove, the first stations and the second stations are in one-to-one correspondence, a hot runner main channel is arranged on the stepped part, and a plurality of hot runner sub channels extend to two sides of the hot runner main channel so as to jointly act on the first stations and the second stations through the hot runner sub channels; the first station and the second station comprise a first insert, a second insert and a third insert positioned between the first insert and the second insert; high-efficiency production of multiple stations is realized.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to a multi-station efficient injection mold.
Background
The mould is used for producing various moulds and tools of the needed products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industry. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The method mainly realizes the processing of the surface of the article through the change of the physical state of the formed material, and has the name of 'industrial mother'. The injection mold is a tool for producing plastic products, and generally consists of an upper mold and a lower mold, wherein the upper mold and the lower mold are closed to form a runner system and a mold cavity of the plastic products during injection molding. During injection molding, the mold is clamped on the injection molding machine, molten plastic is injected into the mold cavity and is cooled and molded in the mold cavity, meanwhile, the molten plastic is cooled in the runner system to form runner system solidification materials, the upper mold and the lower mold are separated after plastic products are molded, the plastic products are ejected out of the mold cavity through the ejection system and leave the mold, finally, the upper mold and the lower mold are closed again to carry out the next injection molding, and the whole injection molding process is circularly carried out.
As shown in FIG. 1, a plastic part has a corresponding hole site structure on its side and bottom, and in a corresponding conventional mold, a slide mechanism is generally designed to realize side core pulling, so as to form the hole site structure on the side of the plastic part, and a corresponding insert or slide mechanism is designed to form the hole site structure on the bottom of the plastic part, so that the overall structure of the mold is complex due to the slide structure and inserts with multiple directions, which affects the coordination of the mold design, so that multiple stations are difficult to design, the plastic part cannot be produced in large quantities, and the production efficiency is seriously affected.
There is a need for an improved solution to the above-mentioned problems.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
A multi-station efficient injection mold comprises an upper mold and a corresponding lower mold, wherein the upper mold is provided with an upper mold core, the lower mold is provided with a lower mold core, and the upper mold core and the lower mold core are mutually butted to form a mold cavity of a molded product;
A first groove and a second groove which are opposite and symmetrically arranged are formed along the parting surface of the lower die core, a convex stepped part is formed between the first groove and the second groove, a plurality of first stations and second stations which are uniformly distributed are respectively arranged on the surfaces of the first groove and the second groove, the first stations and the second stations are in one-to-one correspondence, a hot runner main channel is arranged on the stepped part, and a plurality of hot runner sub channels extend to two sides of the hot runner main channel so as to jointly act on the first stations and the second stations through the hot runner sub channels;
The first station and the second station comprise a first insert, a second insert and a third insert positioned between the first insert and the second insert;
The slide block is provided with a core pulling insert at one side of the slide block corresponding to the die cavity, and the inclined guide post is in sliding fit with the slide block so as to drive the slide block and the core pulling insert thereof to butt against the die cavity or be separated from the die cavity.
As a further scheme of the utility model: a lower template is fixedly arranged below the lower die, and an ejector plate is movably connected between the lower die and the lower template;
The ejector plate is fixedly provided with a first ejector pin corresponding to the first station and the second station respectively and a second ejector pin corresponding to the hot runner main channel.
As a further scheme of the utility model: the lower die plate is fixedly provided with a third insert, one end of the third insert is fixedly connected with the lower die plate, the other end of the third insert sequentially penetrates through the ejector pin plate and the lower die and is convexly arranged on the surface of the lower die core, and the first insert and the second insert are both convexly arranged on the surface of the lower die core;
The first thimble can be sleeved on the third insert in a sliding manner, and a spacing space for the first thimble to slide is formed between the first insert and the second insert.
As a further scheme of the utility model: the lower die and the lower die core are jointly provided with a first channel for the first thimble to slide, the diameter of the third insert is smaller than that of the first channel, and the diameter of the first thimble corresponds to that of the first channel.
As a further scheme of the utility model: the hot runner branches at two sides of the hot runner main channel are horizontally butted with the corresponding first station and second station respectively, and the second thimble is arranged on the hot runner main channel and positioned at the hot runner branch connection positions at two sides.
As a further scheme of the utility model: the lower die and the lower die core are jointly provided with a second channel for the second ejector pin to slide, wherein the upper end of the second channel corresponds to the upper end of the second ejector pin and is provided with a buffer space corresponding to the main channel of the hot runner.
Compared with the prior art, the utility model has the following beneficial effects:
through first mold insert, second mold insert, third mold insert and core pulling mold insert, the demand of the hole site structure of shaping product bottom and side has been satisfied, through first recess that the recess was established and a plurality of first stations on it, and second recess that the recess was established and the second station on it, the hot runner main road on the combination step portion and hot runner lane for this mould can realize the design of multistation, and the mode of first station and second station sharing hot runner main road, the holistic structure of mould is being satisfied, can also effectively reduce the production of waste material simultaneously, do benefit to manufacturing cost.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural view of a product;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of the utility model with the upper mold removed;
FIG. 4 is a schematic diagram of the lower mold core according to the present utility model;
FIG. 5 is a schematic cross-sectional view of the present utility model;
fig. 6 is an enlarged schematic view of the structure at a in fig. 5.
Reference numerals and names in the drawings are as follows:
1. An upper die; 2. a lower die; 3. a lower die core; 4. a mold cavity; 5. a first groove; 6. a second groove; 7. a step portion; 8. a first station; 9. a second station; 10. a hot runner main channel; 11. a hot runner is divided; 12. a first insert; 13. a second insert; 14. a third insert; 15. a row position mechanism; 16. oblique guide posts; 17. a first guide rail; 18. a second guide rail; 19. a slide block; 20. core-pulling inserts; 21. a lower template; 22. a needle ejection plate; 23. a first thimble; 24. a second thimble; 25. a first channel; 26. a second channel; 27. cache space.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 2-6, in an embodiment of the present utility model, a multi-station efficient injection mold includes an upper mold 1 and a corresponding lower mold 2, wherein the upper mold 1 has an upper mold core 1, the lower mold 2 has a lower mold core 3, and the upper mold core 1 and the lower mold core 3 are mutually butted to form a mold cavity 4 of a molded product;
A first groove 5 and a second groove 6 which are opposite and symmetrically arranged are formed along the parting surface of the lower die core 3, a convex step part 7 is formed between the first groove 5 and the second groove 6, wherein a plurality of first stations 8 and second stations 9 which are uniformly arranged are respectively arranged on the surfaces of the first groove 5 and the second groove 6, the first stations 8 and the second stations 9 are in one-to-one correspondence, a hot runner main runner 10 is arranged on the step part 7, and a plurality of hot runner sub-runners 11 extend to two sides of the hot runner main runner 10 so as to jointly act on the first stations 8 and the second stations 9 through the hot runner sub-runners 11;
The first station 8 and the second station 9 comprise a first insert 12, a second insert 13 and a third insert 14 positioned between the first insert 12 and the second insert 13;
The slide block type die comprises an upper die 1, a lower die 2 and a slide block 19, wherein a slide mechanism 15 corresponding to a first groove 5 and a second groove 6 is arranged between the upper die 1 and the lower die 2, the slide mechanism 15 comprises an inclined guide post 16 fixedly arranged on the upper die 1, a first guide rail 17 and a second guide rail 18 arranged on the lower die 2, and the slide block 19 can be slidably embedded between the first guide rail 17 and the second guide rail 18, a core-pulling insert 20 is arranged on one side of the slide block 19 corresponding to the die cavity 4, and the inclined guide post 16 is in sliding fit with the slide block 19 so as to drive the slide block 19 and the core-pulling insert 20 thereof to butt against the die cavity 4 or be separated from the die cavity 4.
According to the technical scheme, the first grooves 5 and the second grooves 6 which are symmetrically arranged are respectively formed in two sides of the lower die core 3, the first grooves 5 are provided with a plurality of first stations 8 which are uniformly arranged, the second grooves 6 are provided with a plurality of second stations 9 which are uniformly arranged, the first stations 8 and the second stations 9 are in one-to-one symmetrical correspondence, a convex stepped part 7 is formed between the first grooves 5 and the second grooves 6 in a combined mode, a hot runner main runner 10 is arranged on the stepped part 7, and hot runner branches 11 which are respectively connected with the first stations 8 and the second stations 9 extend from two sides of the hot runner main runner 10, so that the requirement of synchronously forming a plurality of stations of the die is realized in an injection molding process;
On the basis, a first insert 12, a second insert 13 and a third insert 14 positioned between the first insert 12 and the second insert 13 are arranged on the first station 8/the second station 9, so that a hole site structure at the bottom of a product is formed through the first insert 12, the second insert 13 and the third insert 14, and then a row position mechanism 15 corresponding to the first groove 5/the second groove 6 is combined, so that lateral core pulling of the product is realized through a core pulling insert 20 on the hole site structure, and the hole site structure at the side surface of the product is formed;
In sum, through first mold insert 12, second mold insert 13, third mold insert 14 and core pulling mold insert 20, the hole site structure's of shaping product bottom and side demand has been satisfied, through first recess 5 of concave setting and a plurality of first stations 8 on it, and second recess 6 of concave setting and second station 9 on it, combine hot runner main runner 10 on the step portion 7 and its hot runner branch way 11, make this mould can realize the design of multistation, and the mode of first station 8 and the common hot runner main runner 10 of second station 9 is satisfying the holistic structure of simplifying the mould, can also effectively reduce the production of waste material simultaneously, do benefit to manufacturing cost.
In the embodiment of the utility model, a lower die plate 21 is fixedly arranged below a lower die 2, and a thimble plate 22 is movably connected between the lower die 2 and the lower die plate 21;
Wherein, the thimble plate 22 is fixedly provided with a first thimble 23 corresponding to the first station 8 and the second station 9 and a second thimble 24 corresponding to the hot runner main channel 10.
Through the arrangement of the first ejector pins 23, a plurality of first ejector pins 23 are correspondingly arranged, so that ejection of products on the first station 8 and the second station 9 is realized through the first ejector pins 23; the second thimble 24 is used for ejecting out the waste materials molded in the hot runner main runner 10 and the hot runner sub-runner 11 through the arrangement of the second thimble 24; therefore, the arrangement of the first thimble 23 and the second thimble 24 is combined, so that high-efficiency production efficiency is realized.
In the embodiment of the utility model, the third insert 14 is fixedly arranged on the lower die plate 21, one end of the third insert 14 is fixedly connected with the lower die plate 21, the other end of the third insert 14 sequentially passes through the ejector plate 22 and the lower die 2 and is convexly arranged on the surface of the lower die core 3, and the first insert 12 and the second insert 13 are convexly arranged on the surface of the lower die core 3;
The first ejector pin 23 is slidably sleeved on the third insert 14, and a space for sliding the first ejector pin 23 is provided between the first insert 12 and the second insert 13.
According to the characteristics of the product structure, the first ejector pin 23 and the third insert 14 are combined in a sliding manner, so that the first ejector pin 23 is positioned right below the first station 8/the second station 9, ejection of the product is facilitated, and the design space is correspondingly saved.
In the embodiment of the utility model, the lower die 2 and the lower die core 3 are jointly provided with a first channel 25 for the first thimble 23 to slide, the diameter of the third insert 14 is smaller than that of the first channel 25, and the diameter of the first thimble 23 corresponds to that of the first channel 25.
By this arrangement, the first ejector pins 23 can seal the lower die core 3 of the desired molded product at the first station 8/the second station 9.
In the embodiment of the utility model, the hot runner branches 11 at two sides of the hot runner main runner 10 are respectively horizontally butted with the corresponding first station 8 and second station 9, and the second thimble 24 is arranged on the hot runner main runner 10 and positioned at the connecting position of the hot runner branches 11 at two sides.
By this arrangement, the second ejector pin 24 can act on the connecting position of the hot runner main runner 10 and the hot runner sub-runner 11, so that a better ejection stress point is obtained.
In the embodiment of the present utility model, the lower mold 2 and the lower mold core 3 are jointly provided with a second channel 26 for sliding the second ejector pin 24, wherein the upper end of the second channel 26 corresponds to the upper end of the second ejector pin 24 and has a buffer space 27 corresponding to the hot runner main channel 10.
In the injection molding process, the buffer space 27 is conveniently filled with and molded with the runner waste stress points, so that the second ejector pin 24 can conveniently eject the whole runner waste through the runner waste stress points, and the whole design is reasonable.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The multi-station efficient injection mold is characterized by comprising an upper mold and a corresponding lower mold, wherein the upper mold is provided with an upper mold core, the lower mold is provided with a lower mold core, and the upper mold core and the lower mold core are mutually butted to form a mold cavity of a molded product;
A first groove and a second groove which are opposite and symmetrically arranged are formed along the parting surface of the lower die core, a convex stepped part is formed between the first groove and the second groove, a plurality of first stations and second stations which are uniformly distributed are respectively arranged on the surfaces of the first groove and the second groove, the first stations and the second stations are in one-to-one correspondence, a hot runner main channel is arranged on the stepped part, and a plurality of hot runner sub channels extend to two sides of the hot runner main channel so as to jointly act on the first stations and the second stations through the hot runner sub channels;
The first station and the second station comprise a first insert, a second insert and a third insert positioned between the first insert and the second insert;
The slide block is provided with a core pulling insert at one side of the slide block corresponding to the die cavity, and the inclined guide post is in sliding fit with the slide block so as to drive the slide block and the core pulling insert thereof to butt against the die cavity or be separated from the die cavity.
2. The multi-station efficient injection mold of claim 1, wherein a lower mold plate is fixedly arranged below the lower mold, and an ejector plate is movably connected between the lower mold and the lower mold plate;
The ejector plate is fixedly provided with a first ejector pin corresponding to the first station and the second station respectively and a second ejector pin corresponding to the hot runner main channel.
3. The multi-station efficient injection mold according to claim 2, wherein the third insert is fixedly arranged on the lower die plate, one end of the third insert is fixedly connected with the lower die plate, the other end of the third insert sequentially penetrates through the ejector plate and the lower die and is convexly arranged on the surface of the lower die core, and the first insert and the second insert are convexly arranged on the surface of the lower die core;
The first thimble can be sleeved on the third insert in a sliding manner, and a spacing space for the first thimble to slide is formed between the first insert and the second insert.
4. The multi-station efficient injection mold of claim 3, wherein the lower mold and the lower mold insert are provided with a first channel for sliding of the first ejector pin, the diameter of the third insert is smaller than that of the first channel, and the diameter of the first ejector pin corresponds to that of the first channel.
5. The multi-station efficient injection mold of claim 2, wherein the hot runner branches at two sides of the hot runner main runner are horizontally butted with the corresponding first station and second station respectively, and the second thimble is arranged on the hot runner main runner and positioned at the hot runner branch connection position at two sides.
6. The multi-station efficient injection mold of claim 5, wherein the lower mold and the lower mold core are jointly provided with a second channel for sliding a second ejector pin, and the upper end of the second channel corresponds to the upper end of the second ejector pin and is provided with a buffer space corresponding to the main channel of the hot runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322972315.XU CN220995293U (en) | 2023-11-03 | 2023-11-03 | Multi-station efficient injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322972315.XU CN220995293U (en) | 2023-11-03 | 2023-11-03 | Multi-station efficient injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220995293U true CN220995293U (en) | 2024-05-24 |
Family
ID=91124694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322972315.XU Active CN220995293U (en) | 2023-11-03 | 2023-11-03 | Multi-station efficient injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220995293U (en) |
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2023
- 2023-11-03 CN CN202322972315.XU patent/CN220995293U/en active Active
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