CN215396711U - Heat dissipation mold for PLA plastic mold - Google Patents
Heat dissipation mold for PLA plastic mold Download PDFInfo
- Publication number
- CN215396711U CN215396711U CN202122114964.7U CN202122114964U CN215396711U CN 215396711 U CN215396711 U CN 215396711U CN 202122114964 U CN202122114964 U CN 202122114964U CN 215396711 U CN215396711 U CN 215396711U
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- CN
- China
- Prior art keywords
- mould
- die
- mold
- heat dissipation
- upper 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
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 18
- 229920003023 plastic Polymers 0.000 title claims abstract description 15
- 239000004033 plastic Substances 0.000 title claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 7
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 15
- 239000004626 polylactic acid Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 240000003183 Manihot esculenta Species 0.000 description 1
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920000704 biodegradable plastic Polymers 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a heat dissipation mold for a PLA plastic mold, and belongs to the technical field of injection molds. It is including last mould, well mould and the lower mould that is connected through pegging graft from top to bottom, the lower terminal surface shaping of going up the mould has a plurality of mould faces of going up, and well mould internal slipping is equipped with the ejector pin, the top of ejector pin and the upper surface formation of well mould with go up the lower mould face of mould face looks adaptation, the lower mould with ejector pin lower extreme fixed connection, lower mould are through reciprocating the drive the ejector pin reciprocates along the inner wall of well mould, go up and set up communicating oil filler point around a plurality of on the mould. The utility model has the advantages of good heat dissipation of the die, guarantee of the service life of the die and the like.
Description
Technical Field
The utility model belongs to the technical field of injection molds, and particularly relates to a heat dissipation mold for a PLA plastic mold.
Background
PLA is an english abbreviation of biodegradable plastic polylactic acid, which is a polymer synthesized from lactic acid as a main raw material, has a sufficient and renewable original source, and mainly uses corn, cassava, and the like as raw materials. The production process of the polylactic acid is pollution-free. Moreover, the product can be biodegraded, realizes the circulation in nature and has wide market application.
For a PLA product, the production and manufacturing are usually performed in an injection molding mode, and due to the particularity of the PLA material, the temperature requirement on the PLA material is higher than that in the traditional production process of the product, so that a mold is usually in a high-temperature state, if the surface structure of the product is complex, the contact area between the mold and the PLA is larger, the mold is hotter, and the PLA product produced and processed for a long time has certain loss to the mold.
Disclosure of Invention
The present invention is directed to solving the above problems, and provides a heat dissipation mold for a PLA plastic mold, which can provide good heat dissipation for a mold for a PLA product, ensuring long-term use of the mold.
The purpose of the utility model is realized as follows:
the utility model provides a radiating mould for PLA plastic mold, includes from top to bottom through grafting last mould, well mould and the lower mould that is connected, the lower terminal surface shaping of going up the mould has a plurality of mould faces of going up, well mould internal slipping is equipped with the ejector pin, the top of ejector pin and the upper surface formation of well mould with the lower mould face of going up mould face looks adaptation, the lower mould with ejector pin lower extreme fixed connection, the lower mould is through reciprocating the drive the ejector pin reciprocates along the inner wall of well mould, go up and set up communicating oil filler point around a plurality of on the mould.
The utility model is further provided that the upper die sequentially comprises a first upper die, a second upper die and a third upper die from top to bottom, the lower end surface of the third upper die is provided with the upper die surface, and the third upper die is provided with the oil injection hole.
The utility model is further provided that the first upper die, the second upper die and the third upper die are connected in an inserting way, and the first upper die, the second upper die and the third upper die are provided with upper die inserting holes which are communicated up and down in a clamping way.
The utility model is further provided that the third upper die is longitudinally provided with a plurality of middle die inserting holes for connecting with the upper end of the middle die.
The utility model is further provided that the oil injection holes are positioned above the upper die surface, and two oil injection holes are arranged above the upper die surface.
The utility model is further arranged in that the lower die comprises a bottom plate, side plates are arranged on the front side and the rear side of the bottom plate, an adjusting cavity is formed between the adjacent side plates, an ejector rod fixing plate is arranged between the adjacent side plates, the ejector rod fixing plate moves up and down in the adjusting cavity and is fixed and locked by bolts, and the bottom of the ejector rod is fixed with the surface of the ejector rod fixing plate.
The middle die is further provided with a mandril sleeve, the mandril is positioned in the mandril sleeve, the mandril slides up and down along the mandril sleeve, and the mandril sleeve slides up and down along the middle die.
The middle die is further provided with a first limiting ring for limiting the ejector rod sleeve to slide up and down, and the ejector rod sleeve is provided with a second limiting ring for limiting the ejector rod to slide up and down.
Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:
1. the heat dissipation mould provided by the utility model comprises the upper mould, the middle mould and the lower mould, the split design enhances a certain heat dissipation effect, the upper mould is provided with the oil injection hole, and the temperature of the upper mould is reduced by using the specific heat of oil, so that the service life of the PLA mould is ensured.
2. The upper die comprises a first upper die, a second upper die and a third upper die, and the adjacent upper dies are provided with the plug holes, so that certain heat dissipation capacity is enhanced while connection strength is guaranteed.
3. The middle die inserting hole formed in the utility model can enable the upper die surface and the lower die surface to be more attached to enhance the sealing property during die assembly.
4. The lower die provided by the utility model can be used for fine adjustment of the position of the ejector rod, and is easy for processing and production of products.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is an exploded view of the upper die of the present invention;
FIG. 4 is an exploded view of the upper die of the present invention;
reference numerals:
1-upper mould; 10-feeding a die surface; 11-oil filler holes; 12-a first upper die; 13-a second upper die; 14-a third upper die; 15-inserting holes on the upper die; 16-inserting holes in the middle mold;
2-middle mold; 20-ejector pin sleeve; 21-a first stop collar; 22-a second stop collar;
3, lower die; 30-a bottom plate; 31-side plate; 32-a regulating cavity; 33-ejector pin fixing plate;
4-a top rod; and 40-lower die surface.
Detailed Description
The utility model will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which fig. 1-4:
the utility model provides a radiating mould for PLA plastic mold, includes from top to bottom through grafting last mould 1 that is connected, well mould 2 and lower mould 3, the lower terminal surface shaping of going up mould 1 has a plurality of mould faces 10 of going up, and well mould 2 internal slipping is equipped with a plurality of ejector pins 4, the top of ejector pin 4 and well mould 2 the upper surface form with the lower mould face 40 of going up mould face 10 looks adaptation, lower mould 3 with 4 lower extreme fixed connection of ejector pin, lower mould 3 through reciprocating the drive ejector pin 4 reciprocates along well mould 2's inner wall, go up and set up communicating oil filler point 11 around a plurality of on the mould 1.
And the bottom of the upper die 1, the middle die 2 and the top of the ejector rod 4 form a product during die assembly. During die assembly, oil is continuously injected into the oil injection hole 11, the temperature of the upper die 1 is reduced, the temperature of the upper die can be reduced, and the die can be used for a long time.
It is worth mentioning that the oil injection hole is in the form of a through hole, the flow velocity of oil liquid is enhanced, and the oil liquid is preferably used as cooling liquid, the specific heat is low, and the cooling effect is strong.
Preferably, go up mould 1 and include mould 12 on the first mould 12, the second in proper order from top to bottom and go up mould 13 and mould 14 on the third, mould 14 lower terminal surface is seted up on the third mould 10 go up the mould 14 and set up on the third mould 14 oil filler point 11. The upper die 1 comprises a first upper die 12, a second upper die 13 and a third upper die 14, which provide convenience in disassembly or maintenance.
Preferably, the first upper die 12, the second upper die 13 and the third upper die 14 are connected in an inserting manner, and upper die inserting holes 15 which are communicated up and down are formed in the first upper die 12, the second upper die 13 and the third upper die 14. Because go up the mould by a plurality of constitutions, for can letting provide good fixed effect between adjacent, the mode that utilizes the bolt inserts the spliced eye, lets three mould simultaneously fixed, convenience very.
Preferably, a plurality of middle mold insertion holes 16 for connecting with the upper end of the middle mold 2 are longitudinally formed on the third upper mold 14.
Preferably, the oil injection hole 11 is located above the upper die surface 10, and two oil injection holes 11 are arranged above the upper die surface 10. Set up oil filler point 11 position in the top of last mould face, let the cooling effect direct action in the top of last mould face 10, play and cool off the hottest position of mould, the temperature of mould 1 is gone up in the guarantee obtains reducing, the long-term use of being convenient for.
Preferably, the lower die 3 includes a bottom plate 30, side plates 31 are fixed to the bottom plate 30 in a front-back manner, an adjusting cavity 32 is formed between adjacent side plates 31, a push rod fixing plate 33 is arranged between adjacent side plates, the push rod fixing plate 33 moves up and down in the adjusting cavity 32 and is fixed and locked by bolts, and the bottom of the push rod 4 is fixed to the surface of the push rod fixing plate 33.
In the structure, the position of the mandril 4 can be adjusted according to the position of the mandril fixing plate 33 in the adjusting cavity 32, so that the production and the processing are convenient.
Preferably, a mandril sleeve 20 is arranged in the middle die 2, the mandril 4 is positioned in the mandril sleeve 20, the mandril 4 slides up and down along the inside of the mandril sleeve 20, and the mandril sleeve 20 slides up and down along the inside of the middle die 2.
Preferably, a first limiting ring 21 for limiting the ejector rod sleeve 20 to slide up and down is arranged in the middle die 2, and a second limiting ring 22 for limiting the ejector rod 4 to slide up and down is arranged in the ejector rod sleeve 20.
The product that has down the helicitic texture to producing, the clearance between usable ejector pin cover 20 and the ejector pin 4 upper end is injection moulding to constitute lower die surface 40 with two structures, not only can provide good drawing of patterns effect, can also facilitate for the development of mould.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (8)
1. The utility model provides a heat dissipation mould for PLA plastic mold, its characterized in that, includes from top to bottom through grafting last mould (1), well mould (2) and lower mould (3) that are connected, the lower terminal surface shaping of going up mould (1) has a plurality of mould face (10) of going up, well mould (2) internal slip is equipped with a plurality of ejector pins (4), the top of ejector pin (4) and the upper surface of well mould (2) form with go up lower mould face (40) of mould face (10) looks adaptation, lower mould (3) with ejector pin (4) lower extreme fixed connection, lower mould (3) are through reciprocating the drive the inner wall of well mould (2) is reciprocated in ejector pin (4), go up communicating oil filler point (11) around offering a plurality of on mould (1).
2. The heat dissipation mold for the PLA plastic mold as claimed in claim 1, wherein the upper mold (1) comprises a first upper mold (12), a second upper mold (13) and a third upper mold (14) from top to bottom in sequence, the lower end surface of the third upper mold (14) is provided with the upper mold surface (10), and the third upper mold (14) is provided with the oil hole (11).
3. The heat dissipation die for the PLA plastic die as claimed in claim 2, wherein the first upper die (12), the second upper die (13) and the third upper die (14) are connected in an inserting manner, and the first upper die (12), the second upper die (13) and the third upper die (14) are provided with upper die inserting holes (15) which are communicated up and down.
4. The heat dissipation die for the PLA plastic die as claimed in claim 2, wherein the third upper die (14) is longitudinally provided with a plurality of middle die insertion holes (16) for connecting with the upper end of the middle die (2).
5. The heat dissipation mold for PLA plastic molds as claimed in claim 2, wherein the oil injection hole (11) is located above the upper mold surface (10), and two oil injection holes (11) are provided above the upper mold surface (10).
6. The heat dissipation mold for the PLA plastic mold as claimed in claim 1, wherein the lower mold (3) comprises a bottom plate (30), side plates (31) are fixed on the bottom plate (30) in a front-back manner, an adjustment cavity (32) is formed between the adjacent side plates (31), a mandrel fixing plate (33) is arranged between the adjacent side plates, the mandrel fixing plate (33) moves up and down in the adjustment cavity (32) and is fixed and locked by bolts, and the bottom of the mandrel (4) is fixed with the surface of the mandrel fixing plate (33).
7. The heat dissipation die for the PLA plastic die as claimed in claim 1, wherein a top rod sleeve (20) is arranged in the middle die (2), the top rod (4) is located in the top rod sleeve (20), the top rod (4) slides up and down along the top rod sleeve (20), and the top rod sleeve (20) slides up and down along the middle die (2).
8. The heat dissipation die for the PLA plastic die as claimed in claim 7, wherein a first limit ring (21) for limiting the up-and-down sliding of the ejector rod sleeve (20) is arranged in the middle die (2), and a second limit ring (22) for limiting the up-and-down sliding of the ejector rod (4) is arranged in the ejector rod sleeve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122114964.7U CN215396711U (en) | 2021-09-03 | 2021-09-03 | Heat dissipation mold for PLA plastic mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122114964.7U CN215396711U (en) | 2021-09-03 | 2021-09-03 | Heat dissipation mold for PLA plastic mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215396711U true CN215396711U (en) | 2022-01-04 |
Family
ID=79664996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122114964.7U Expired - Fee Related CN215396711U (en) | 2021-09-03 | 2021-09-03 | Heat dissipation mold for PLA plastic mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215396711U (en) |
-
2021
- 2021-09-03 CN CN202122114964.7U patent/CN215396711U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220104 |