CN213919389U - Quick cooling type injection molding device - Google Patents
Quick cooling type injection molding device Download PDFInfo
- Publication number
- CN213919389U CN213919389U CN202022598340.2U CN202022598340U CN213919389U CN 213919389 U CN213919389 U CN 213919389U CN 202022598340 U CN202022598340 U CN 202022598340U CN 213919389 U CN213919389 U CN 213919389U
- Authority
- CN
- China
- Prior art keywords
- cooling
- die
- heat dissipation
- cover half
- injection molding
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- 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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- 238000001816 cooling Methods 0.000 title claims abstract description 111
- 238000001746 injection moulding Methods 0.000 title claims abstract description 19
- 238000005267 amalgamation Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 230000017525 heat dissipation Effects 0.000 claims description 39
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims 1
- 229920003023 plastic Polymers 0.000 abstract description 26
- 239000004033 plastic Substances 0.000 abstract description 26
- 238000000465 moulding Methods 0.000 abstract description 6
- 239000000498 cooling water Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a quick cooled injection molding device belongs to the field of moulding plastics, and it includes cope match-plate pattern and lower bolster, the lower fixed surface of cope match-plate pattern is provided with the movable mould, the top of lower bolster is provided with the cover half, the cover half pass through the support column fixed set up in the lower bolster, the lower surface of movable mould is provided with the die, the upper surface of cover half is provided with the terrace die, the lower surface of movable mould fit in the upper surface setting of cover half, the die with the terrace die amalgamation is the die cavity, still be provided with on the cover half a plurality of with the thimble hole of die cavity intercommunication, be provided with the thimble in the thimble hole, the fixed push pedal that is provided with of lower extreme of thimble, be provided with on the movable mould and be used for doing the radiating first cooling system of die, be provided with on the cover half and be used for doing the radiating second cooling system of terrace die. The utility model discloses the drawing of patterns and the cooling rate of being convenient for are fast.
Description
Technical Field
The utility model relates to a field of moulding plastics, in particular to quick cooling type device of moulding plastics.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, the injection molding is a processing method used when parts with complex shapes are produced in batches, heated and melted plastics are injected into an injection molding cavity through an injection molding opening, after cooling and molding are carried out, the plastic products can be obtained, after injection molding, an upper mold and a lower mold are pulled open, and after placement, the molds can be taken. However, after high-temperature processing, the work efficiency is low and the mold taking is difficult because the standing heat dissipation time is too long.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a quick cooling type injection moulding device, including cope match-plate pattern and lower bolster, the fixed lower surface of cope match-plate pattern is provided with the movable mould, the top of lower bolster is provided with the cover half, the cover half pass through the support column fixed set up in the lower bolster, the lower surface of movable mould is provided with the die, the upper surface of cover half is provided with the terrace die, the lower surface of movable mould laminate in the upper surface setting of cover half, the die with the terrace die amalgamation is the die cavity, still be provided with on the cover half a plurality of with the thimble hole of die cavity intercommunication, be provided with the thimble in the thimble hole, the fixed push pedal that is provided with of lower extreme of thimble, be provided with on the movable mould and be used for doing the radiating first cooling system of die, be provided with on.
The utility model discloses in, use independent first cooling system and second cooling system to dispel the heat respectively the die on the movable mould and the terrace die on the cover half, radiating precedence order dispels the heat for the second cooling system prior to first cooling system, consequently the utility model discloses when carrying out the drawing of patterns, can use the second cooling system to cool off the terrace die alone with the lower temperature of temperature when comparing in the cooling shaping of plastic goods to can make the terrace die reduce, so that the drawing of patterns.
Furthermore, first cooling system including set up in encircle in the movable mould the first heat dissipation pipeline that the die set up, the both ends of first heat dissipation pipeline extend respectively the leading flank of movable mould and be in the leading flank of movable mould forms first water inlet and first delivery port.
The first heat dissipation pipeline surrounds the die, so that the die can be cooled more quickly, the cooling time of the plastic product can be reduced, and the first water inlet and the first water outlet are respectively used for connecting a water supply pipeline and a return pipeline of cooling water.
Further, the second cooling system including set up in second heat dissipation pipeline in the cover half, second heat dissipation pipeline corresponds the terrace die is formed with the portion of falling the U-shaped, just the portion of falling the U-shaped is located laminate in the terrace die the edge of terrace die sets up, the both ends of second heat dissipation pipeline extend respectively the left and right sides of cover half to form second water inlet and second delivery port respectively at the left surface and the right flank of cover half.
The cooling that can accelerate the terrace die is arranged at the edge that laminates the terrace die in the terrace die to the shape of falling U of second heat dissipation pipeline to can reduce the cooling time of plastic product, wherein, second water inlet and second delivery port are used for connecting cooling water's water supply pipe and backflow pipeline respectively.
Furthermore, a cooling cavity is arranged in the upper die plate, a plurality of cooling fans are arranged on the side wall of the cooling cavity, the air outlet direction of each cooling fan is arranged upwards, heat dissipation holes are formed in the upper portion of the cooling cavity corresponding to the cooling fans, and the heat dissipation holes are located above the corresponding cooling fans.
The radiator fan in the cooling chamber can carry out the forced air cooling to the device of moulding plastics, consequently the utility model discloses can carry out forced air cooling and water-cooling simultaneously, can effectively accelerate its cooling rate.
Furthermore, an upright post is arranged in the middle of the cooling cavity, a first flow channel is formed in the middle of the upright post, the first flow channel extends upwards out of the upper die plate to form a filling opening, and the lower end of the first flow channel is communicated with the die cavity through a second flow channel.
The first runner, the second runner and the injection port in the upright are used for injecting the plastic material in a molten state into the cavity.
Furthermore, the surface of the upright post is coated with a heat-insulating layer.
Wherein, the heat preservation on the stand is used for preventing that the temperature of the plastic material in the stand from receiving the influence in cooling chamber to guarantee going on smoothly of the injection process of plastic material.
In addition, the influence of the temperature of the plastic material in the cooling cavity corresponding to the upright post can be eliminated by increasing the injection temperature of the plastic material.
Furthermore, a third water inlet and a third water outlet are formed in the cooling cavity.
Wherein, third inlet and third delivery port are used for respectively with the delivery pipe and the backward flow water piping connection of cooling water, the cooling water can enter into the cooling chamber through the third water inlet, and radiator fan in the cooling chamber can promote the evaporation of the water in the cooling chamber to can increase the cooling effect in cooling chamber, and then further increase the utility model discloses a cooling rate.
The third water outlet is used for timely discharging cooling water which is not evaporated in the cooling cavity, and the influence of the cooling water in the cooling cavity on the operation of the cooling fan is prevented.
Further, the height of the lower end of the third water outlet is higher than that of the lower end of the third water inlet, and the height of the lower end of the third water outlet is lower than that of the lower end of the heat dissipation fan.
The height of the lower end of the third water outlet is higher than that of the lower end of the third water inlet, so that the cooling water can be guaranteed to be accumulated at the bottom of the cooling cavity all the time, and the stability of the cooling effect of the cooling cavity can be guaranteed.
The principle and effect of the present invention will be further explained below with reference to the above technical solutions and the accompanying drawings:
the utility model discloses in, use independent first cooling system and second cooling system to dispel the heat respectively the die on the movable mould and the terrace die on the cover half, radiating precedence order dispels the heat for the second cooling system prior to first cooling system, consequently the utility model discloses when carrying out the drawing of patterns, can use the second cooling system to cool off the terrace die alone with the lower temperature of temperature when comparing in the cooling shaping of plastic goods to can make the terrace die reduce, so that the drawing of patterns.
Drawings
Fig. 1 is a schematic cross-sectional view of a rapid cooling type injection molding apparatus according to an embodiment of the present invention;
fig. 2 is a schematic sectional view of the fast cooling injection molding apparatus according to the embodiment of the present invention when the movable mold and the fixed mold are separated.
Description of reference numerals:
1-upper template, 11-cooling cavity, 12-upright post, 121-first flow channel, 122-injection port, 13-cooling fan, 14-cooling hole, 151-third water inlet, 152-third water outlet, 2-moving mold, 211-first water inlet, 212-first water outlet, 22-female mold, 23-second flow channel, 3-fixed mold, 31-male mold, 32-second cooling pipeline, 321-inverted U-shaped part, 322-second water inlet, 323-second water outlet, 4-lower template, 41-support column, 42-push plate and 43-thimble.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples:
referring to fig. 1-2, a rapid cooling type injection molding apparatus includes an upper mold plate 1 and a lower mold plate 4, a movable mould 2 is fixedly arranged on the lower surface of the upper template 1, a fixed mould 3 is arranged above the lower template 4, the fixed die 3 is fixedly arranged on the lower template 4 through a support column 41, the lower surface of the movable die 2 is provided with a concave die 22, the upper surface of the fixed die 3 is provided with a convex die 31, the lower surface of the movable die 2 is arranged in a way of being attached to the upper surface of the fixed die 3, the female die 22 and the male die 31 are spliced into a cavity, the fixed die 3 is also provided with a plurality of thimble holes communicated with the cavity, a thimble 43 is arranged in the thimble hole, a push plate 42 is fixedly arranged at the lower end of the thimble 43, the movable die 2 is provided with a first heat dissipation system for dissipating heat of the female die 22, and the fixed die 3 is provided with a second heat dissipation system for dissipating heat of the male die 31.
The utility model discloses in, use independent first cooling system and second cooling system to dispel the heat to the terrace die 31 on die 22 on the movable mould 2 and the cover half 3 respectively, radiating precedence dispels the heat for the second cooling system prior to first cooling system, consequently the utility model discloses when drawing of patterns, can use the second cooling system to cool off terrace die 31 alone with the lower temperature of temperature when comparing in the cooling shaping of plastic goods to can make terrace die 31 reduce, so that the drawing of patterns.
In one embodiment, the first heat dissipation system includes a first heat dissipation pipe disposed inside the movable mold 2 and surrounding the concave mold 22, two ends of the first heat dissipation pipe respectively extend out of the front side surface of the movable mold 2, and a first water inlet 211 and a first water outlet 212 are formed in the front side surface of the movable mold 2.
The first heat dissipation pipe is disposed around the cavity die 22 so that the cavity die 22 can be cooled more quickly, and thus the cooling time of the plastic product can be reduced, wherein the first water inlet 211 and the first water outlet 212 are respectively used for connecting a water supply pipe and a return pipe for cooling water.
One of them embodiment, the second cooling system including set up in second heat dissipation pipeline 32 in the cover half 3, second heat dissipation pipeline 32 corresponds terrace die 31 is formed with the portion of falling U321, just the portion of falling U321 is located laminate in the terrace die 31 the edge of terrace die 31 sets up, the both ends of second heat dissipation pipeline 32 extend respectively the left and right sides of cover half 3 to form second water inlet 322 and second delivery port 323 in the left surface and the right flank of cover half 3 respectively.
The inverted U-shaped portion 321 of the second heat dissipation pipe 32 is located at the edge of the male mold 31, which is close to the male mold 31, so as to accelerate the cooling of the male mold 31, and thus reduce the cooling time of the plastic product, wherein the second water inlet 322 and the second water outlet 323 are respectively used for connecting a water supply pipe and a return pipe for cooling water.
In one embodiment, a cooling cavity 11 is provided in the upper mold plate 1, a plurality of heat dissipation fans 13 are provided on the side walls of the cooling cavity 11, the air outlet direction of the heat dissipation fans 13 is upward, heat dissipation holes 14 are provided above the cooling cavity 11 corresponding to the heat dissipation fans 13, and the heat dissipation holes 14 are located above the corresponding heat dissipation fans 13.
The radiator fan 13 in the cooling chamber 11 can carry out the forced air cooling to the device of moulding plastics, consequently the utility model discloses can carry out forced air cooling and water-cooling simultaneously, can effectively accelerate its cooling rate.
In one embodiment, an upright column 12 is disposed in the middle of the cooling cavity 11, a first flow channel 121 is disposed in the middle of the upright column 12, the first flow channel 121 extends upward out of the upper mold plate 1 to form an injection port 122, and the lower end of the first flow channel 121 is communicated with the cavity through a second flow channel 23.
The first flow channel 121, the second flow channel 23 and the sprue 122 in the column 12 are used for injecting the plastic material in a molten state into the cavity.
In one embodiment, the surface of the column 12 is covered with an insulating layer.
The insulating layer on the column 12 is used to prevent the temperature of the plastic material in the column 12 from being affected by the cooling cavity 11, so as to ensure the smooth injection process of the plastic material.
It is also possible to eliminate the effect of the cooling chamber 11 on the temperature of the plastic material in the upright 12 by raising the injection temperature of the plastic material.
In one embodiment, the cooling cavity 11 is further provided with a third water inlet 151 and a third water outlet 152.
Wherein, third inlet 151 and third delivery port 152 are used for respectively with the delivery pipe and the backward flow water piping connection of cooling water, cooling water can enter into cooling chamber 11 through third inlet 151, and radiator fan 13 in cooling chamber 11 can promote the evaporation of the water in cooling chamber 11 to can increase the cooling effect in cooling chamber 11, and then further increase the utility model discloses a cooling rate.
The third water outlet 152 is used for timely removing the cooling water that is not evaporated in the cooling cavity 11, and preventing the cooling water in the cooling cavity 11 from affecting the operation of the heat dissipation fan 13.
In one embodiment, the height of the lower end of the third water outlet 152 is higher than the height of the lower end of the third water inlet 151, and the height of the lower end of the third water outlet 152 is lower than the height of the lower end of the heat dissipation fan 13.
The height of the lower end of the third water outlet 152 is higher than that of the lower end of the third water inlet 151, so that the cooling water can be always accumulated at the bottom of the cooling chamber 11, and the stability of the cooling effect of the cooling chamber 11 can be ensured.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a quick cooled injection molding device, includes cope match-plate pattern and lower bolster, the lower fixed surface of cope match-plate pattern is provided with the movable mould, the top of lower bolster is provided with the cover half, the cover half pass through the support column fixed set up in the lower bolster, the lower surface of movable mould is provided with the die, the upper surface of cover half is provided with the terrace die, the lower surface laminating of movable mould in the upper surface setting of cover half, the die with the terrace die amalgamation is the die cavity, still be provided with on the cover half a plurality of with the thimble hole of die cavity intercommunication, be provided with the thimble in the thimble hole, the fixed push pedal that is provided with of lower extreme of thimble, a serial communication port, be provided with on the movable mould and be used for doing the radiating first cooling system of die, be provided with on.
2. The rapid cooling type injection molding device according to claim 1, wherein the first heat dissipation system comprises a first heat dissipation pipe disposed in the movable mold and surrounding the concave mold, two ends of the first heat dissipation pipe respectively extend out of the front side surface of the movable mold and form a first water inlet and a first water outlet on the front side surface of the movable mold.
3. The rapid cooling type injection molding device according to claim 2, wherein the second heat dissipation system comprises a second heat dissipation pipe arranged in the fixed mold, the second heat dissipation pipe is formed with an inverted U-shaped portion corresponding to the male mold, the inverted U-shaped portion is located in the male mold and attached to the edge of the male mold, two ends of the second heat dissipation pipe extend out of the left side and the right side of the fixed mold respectively, and a second water inlet and a second water outlet are formed in the left side and the right side of the fixed mold respectively.
4. The rapid cooling injection molding device according to claim 3, wherein a cooling cavity is provided in the upper mold plate, a plurality of cooling fans are provided on the side walls of the cooling cavity, the air outlet direction of the cooling fans is upward, heat dissipation holes are provided above the cooling cavity corresponding to the cooling fans, and the heat dissipation holes are located above the corresponding cooling fans.
5. The rapid cooling type injection molding device according to claim 4, wherein a column is disposed in a middle portion of the cooling cavity, a first runner is disposed in a middle portion of the column, the first runner extends upward out of the upper mold plate to form an injection opening, and a lower end of the first runner is communicated with the cavity through a second runner.
6. The rapid cooling injection molding apparatus of claim 5, wherein the surface of the pillar is coated with an insulating layer.
7. The rapid cooling type injection molding apparatus according to claim 4, wherein the cooling cavity further has a third water inlet and a third water outlet.
8. The rapid-cooling injection molding apparatus according to claim 7, wherein a height of a lower end of the third water outlet is higher than a height of a lower end of the third water inlet, and the height of the lower end of the third water outlet is lower than a height of a lower end of the heat dissipation fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022598340.2U CN213919389U (en) | 2020-11-12 | 2020-11-12 | Quick cooling type injection molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022598340.2U CN213919389U (en) | 2020-11-12 | 2020-11-12 | Quick cooling type injection molding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213919389U true CN213919389U (en) | 2021-08-10 |
Family
ID=77168587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022598340.2U Expired - Fee Related CN213919389U (en) | 2020-11-12 | 2020-11-12 | Quick cooling type injection molding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213919389U (en) |
-
2020
- 2020-11-12 CN CN202022598340.2U patent/CN213919389U/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: 20210810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |