CN210308849U - Plastic mould with exhaust structure - Google Patents
Plastic mould with exhaust structure Download PDFInfo
- Publication number
- CN210308849U CN210308849U CN201920904989.7U CN201920904989U CN210308849U CN 210308849 U CN210308849 U CN 210308849U CN 201920904989 U CN201920904989 U CN 201920904989U CN 210308849 U CN210308849 U CN 210308849U
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- Prior art keywords
- conical section
- injection molding
- chamber
- section
- bight
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- 239000004033 plastic Substances 0.000 title claims abstract description 31
- 229920003023 plastic Polymers 0.000 title claims abstract description 31
- 238000001746 injection moulding Methods 0.000 claims abstract description 46
- 238000000465 moulding Methods 0.000 claims abstract description 11
- 238000013022 venting Methods 0.000 claims 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a plastic mould with exhaust structure, including upper die base and the die holder that cooperatees in order to form the chamber of moulding plastics, the bottom inboard of die holder is equipped with arch and a plurality of bights chamber of moulding plastics, bights chamber of moulding plastics encircles the arch sets up, still includes first cone section and second cone section, the pointed end of first cone section and second cone section all is linked together with the chamber of moulding plastics, the big end of first cone section and second cone section links to each other with the external world respectively, the bottom of die holder is located to first cone section and with the bight chamber of moulding plastics is linked together, second cone section is located on the lateral wall of upper die base. The first conical section that links to each other with bight injection molding chamber can discharge the gaseous of bight injection molding intracavity, and the second conical section of locating the upper die base can discharge the gaseous of injection molding chamber top, avoids gaseous bubble formation in fashioned product, promotes product quality.
Description
Technical Field
The utility model relates to a mould equipment technical field especially relates to plastic mould with exhaust structure.
Background
When an injection mold is adopted to process a plastic product, an exhaust structure is usually arranged in the injection mold, and the exhaust structure can exhaust gas in the injection molding process, so that the product is prevented from having defects; particularly, in the product with corners, gas is more likely to form and accumulate at the corners during the injection molding process, and gas which is difficult to be discharged out of the mold is cooled to form bubbles or air holes, so that the quality of the product is seriously influenced. However, when the exhaust structure is used for exhausting gas, the injection molding material can overflow from the exhaust structure, so that the appearance of the product is influenced, the yield of the final product is reduced, and the repair cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides a plastic mold with an exhaust structure and high yield.
In order to solve the technical problem, the utility model discloses a technical scheme be: plastic mould with exhaust structure, including upper die base and the die holder that cooperatees in order to form the chamber of moulding plastics, the bottom inboard of die holder is equipped with arch and a plurality of bight injection molding chamber, bight injection molding chamber encircles protruding setting still includes first conical section and second conical section, the pointed end of first conical section and second conical section all is linked together with the chamber of moulding plastics, the big end of first conical section and second conical section links to each other with the external world respectively, the bottom of die holder is located to first conical section and with the bight injection molding chamber is linked together, the second conical section is located on the lateral wall of upper die base.
Furthermore, the device also comprises a straight cylinder section, and one ends of the first conical section and the second conical section, which are far away from the tip end, are connected with the outside through the straight cylinder section.
Further, the protrusion is an arc protrusion.
Furthermore, the bulge is arranged close to the center of the lower die holder.
Furthermore, the number of the first conical sections is multiple, and the first conical sections and the corner injection molding cavities are arranged in a one-to-one correspondence mode.
The die further comprises a boss and a groove which are matched with each other, the boss is arranged on the upper die base, and the groove is arranged on the lower die base.
The beneficial effects of the utility model reside in that: the first conical section that links to each other with bight injection molding chamber can discharge the gaseous of bight injection molding intracavity, and the second conical section of locating the upper die base can discharge the gaseous of injection molding chamber top, avoids gaseous bubble formation in fashioned product, promotes product quality.
Drawings
Fig. 1 is an overall structure diagram of a plastic mold according to a first embodiment of the present invention;
fig. 2 is an exploded view of a plastic mold according to a first embodiment of the present invention.
Description of reference numerals:
1. an upper die holder;
2. a lower die holder;
3. a protrusion;
4. a corner injection molding cavity;
5. a first conical section;
6. a second conical section;
7. a straight cylinder section;
8. a boss;
9. a groove;
10. and (5) an injection molding cavity.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the first conical section connected with the corner injection molding cavity can discharge gas in the corner injection molding cavity, and the second conical section arranged on the upper die holder can discharge gas above the injection molding cavity.
Referring to fig. 1 and 2, the plastic mold with the exhaust structure includes an upper mold base 1 and a lower mold base 2 which are matched to form an injection molding cavity 10, a protrusion 3 and a plurality of corner injection molding cavities 4 are arranged on the inner side of the bottom of the lower mold base 2, the corner injection molding cavities 4 are arranged around the protrusion 3, the plastic mold further includes a first conical section 5 and a second conical section 6, the tips of the first conical section 5 and the second conical section 6 are both communicated with the injection molding cavity 10, the big ends of the first conical section 5 and the second conical section 6 are respectively connected with the outside, the first conical section 5 is arranged at the bottom of the lower mold base 2 and is communicated with the corner injection molding cavities 4, and the second conical section 6 is arranged on the side wall of the upper mold base 1.
The utility model discloses a structural principle brief follows as follows: the tips of the first conical section and the second conical section are communicated with the injection molding cavity, the first conical section is located at the bottom of the lower die base, gas accumulated in the corner injection molding cavity is easily discharged from the first conical section, gas above the liquid level is discharged from the second conical section, and the first conical section and the second conical section effectively discharge the gas in the whole injection molding cavity outwards.
From the above description, the beneficial effects of the present invention are: the first conical section that links to each other with bight injection molding chamber can discharge the gaseous of bight injection molding intracavity, and the second conical section of locating the upper die base can discharge the gaseous of injection molding chamber top, avoids gaseous bubble formation in fashioned product, promotes product quality.
Further, still include straight section of thick bamboo 7, the one end that most advanced was kept away from to first conical segment 5 and second conical segment 6 all passes through straight section of thick bamboo 7 links to each other with the external world.
As can be seen from the above description, the straight cylinder section has a large accommodating space, which is convenient for accommodating and cleaning overflowed injection molding material.
Further, the protrusion 3 is an arc-shaped protrusion.
Further, the protrusion 3 is disposed near the center of the lower die base 2.
Furthermore, the number of the first conical sections 5 is multiple, and the first conical sections 5 are arranged in one-to-one correspondence with the corner injection molding cavities 4.
As can be seen from the above description, the plurality of first conical sections can effectively improve the efficiency of gas discharge.
Further, the die comprises a boss 8 and a groove 9 which are matched with each other, wherein the boss 8 is arranged on the upper die base 1, and the groove 9 is arranged on the lower die base 2.
As can be seen from the above description, the connection effect of the matched boss and the groove is stable, and the structure is simple.
Example one
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: plastic mould with exhaust structure, including upper die base 1 and the lower bolster 2 that cooperatees in order to form injection molding chamber 10, the bottom inboard of lower bolster 2 is equipped with protruding 3 and a plurality of bight injection molding chamber 4, bight injection molding chamber 4 encircles protruding 3 sets up, still includes first cone section 5 and second cone section 6, the pointed end of first cone section 5 and second cone section 6 all is linked together with injection molding chamber 10, the big end of first cone section 5 and second cone section 6 links to each other with the external world respectively, the bottom of lower bolster 2 and with bight injection molding chamber 4 is linked together, second cone section 6 is located on the lateral wall of upper die base 1.
It is easy to understand that the tips of the first conical section 5 and the second conical section 6 are both communicated with the injection molding cavity 10, the first conical section 5 is positioned at the bottom of the lower die base 2, gas accumulated in the corner injection molding cavity 4 is easily discharged from the first conical section 5, gas above the liquid level is discharged from the second conical section 6, and the first conical section 5 and the second conical section 6 effectively discharge the gas in the whole injection molding cavity 10 outwards.
In detail, still include straight section of thick bamboo 7, the one end that most advanced was kept away from to first conical section 5 and second conical section 6 is all passed through straight section of thick bamboo 7 links to each other with the external world, the big volume that straight section of thick bamboo 7 had is convenient for accomodate and clean the material of moulding plastics.
In detail, the protrusion 3 is an arc protrusion, and specifically, the protrusion 3 is disposed near the center of the lower die holder 2.
Optionally, the number of the first conical sections 5 is multiple, and the first conical sections 5 are arranged in one-to-one correspondence with the corner injection molding cavities 4.
Optionally, the number of the second conical sections 6 is multiple, and the multiple second conical sections 6 are uniformly arranged on the upper die holder 1.
In this embodiment, the die holder further comprises a boss 8 and a groove 9 which are matched with each other, the boss 8 is arranged on the upper die holder 1, the groove 9 is arranged on the lower die holder 2, namely, the upper die holder 1 and the lower die holder 2 are connected in a matching manner through the boss 8 and the groove 9.
To sum up, the utility model provides a plastic mould with exhaust structure, the first circular cone section that links to each other with the bight chamber of moulding plastics can discharge the bight and mould plastics the intracavity gas, and the second circular cone section of locating the upper die base can discharge the gas of moulding plastics the chamber top, avoids gaseous bubble formation in fashioned product, promotes product quality.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (6)
1. Plastic mould with exhaust structure, including upper die base and the die holder that cooperatees in order to form the chamber of moulding plastics, the bottom inboard of die holder is equipped with arch and a plurality of bight injection molding chamber, bight injection molding chamber encircles protruding setting, its characterized in that: the injection molding die is characterized by further comprising a first conical section and a second conical section, the pointed ends of the first conical section and the second conical section are communicated with the injection molding cavity, the big end ends of the first conical section and the second conical section are respectively connected with the outside, the first conical section is arranged at the bottom of the lower die holder and communicated with the corner injection molding cavity, and the second conical section is arranged on the side wall of the upper die holder.
2. The plastic mold with venting structure as defined in claim 1, wherein: the first conical section and the second conical section are far away from one ends of the pointed ends and are connected with the outside through the straight cylinder section.
3. The plastic mold with venting structure as defined in claim 1, wherein: the bulges are arc bulges.
4. The plastic mold with venting structure as defined in claim 3, wherein: the bulge is arranged close to the center of the lower die holder.
5. The plastic mold with venting structure as defined in claim 4, wherein: the quantity of first conical section is a plurality of, first conical section and bight injection molding chamber one-to-one set up.
6. The plastic mold with venting structure as defined in claim 1, wherein: the die comprises an upper die base and a lower die base, and is characterized by further comprising a boss and a groove which are matched with each other, wherein the boss is arranged on the upper die base, and the groove is formed in the lower die base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904989.7U CN210308849U (en) | 2019-06-14 | 2019-06-14 | Plastic mould with exhaust structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904989.7U CN210308849U (en) | 2019-06-14 | 2019-06-14 | Plastic mould with exhaust structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210308849U true CN210308849U (en) | 2020-04-14 |
Family
ID=70144254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920904989.7U Active CN210308849U (en) | 2019-06-14 | 2019-06-14 | Plastic mould with exhaust structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210308849U (en) |
-
2019
- 2019-06-14 CN CN201920904989.7U patent/CN210308849U/en active Active
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