CN214294413U - Thermoplastic molding blow mold - Google Patents
Thermoplastic molding blow mold Download PDFInfo
- Publication number
- CN214294413U CN214294413U CN202022459724.6U CN202022459724U CN214294413U CN 214294413 U CN214294413 U CN 214294413U CN 202022459724 U CN202022459724 U CN 202022459724U CN 214294413 U CN214294413 U CN 214294413U
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- CN
- China
- Prior art keywords
- pipeline
- blow molding
- blow
- blowing
- cooling
- 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
- 238000009757 thermoplastic moulding Methods 0.000 title claims description 5
- 238000000071 blow moulding Methods 0.000 claims abstract description 79
- 238000001816 cooling Methods 0.000 claims abstract description 56
- 238000007664 blowing Methods 0.000 claims abstract description 36
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 30
- 229920001169 thermoplastic Polymers 0.000 claims 6
- 239000004416 thermosoftening plastic Substances 0.000 claims 6
- 239000004033 plastic Substances 0.000 abstract description 31
- 229920003023 plastic Polymers 0.000 abstract description 31
- 238000000465 moulding Methods 0.000 abstract description 7
- 238000007493 shaping process Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000010104 thermoplastic forming Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a blowing technical field just discloses a fashioned blowing mould of heat moulding, including the blowing pipeline, support fixedly connected with water conservancy diversion piece is passed through to the bottom of blowing pipeline, the cooling chamber has been seted up to the inside of blowing pipeline and the position that is located the centre. This thermoplastic forming's blow mold, blow hot-blast shaping through the air heater during the blowing, thereby keep the heating to the grog at the in-process of blowing, prevent that the quick cooling of plastics leads to the poor problem of shaping effect, and blow simultaneously through a plurality of blowing mouths during the blowing, it is even to make to blow, thereby the effect of blow molding has been improved, when cooling after the completion of moulding plastics, blow cold wind to the blow molding pipeline inside through the cooling tube, cold wind enters into to the bottom of blow molding pipeline and flows into the inside of blow molding plastics through the cooling chamber, upwards blow the inside hot-blast of plastics, by the cooling rate of inside acceleration plastics, thereby the refrigerated efficiency has been improved, the efficiency of processing has been improved.
Description
Technical Field
The utility model relates to a blowing technical field specifically is a fashioned blowing mould is moulded to heat.
Background
The blowing pipeline of a general blowing machine only blows air to the inside of a mold, when plastic is contacted with the mold in the process of blow molding, clinker can be rapidly cooled due to the too low temperature of the mold, so that the thickness of the plastic in blowing is uneven and the plastic is deformed, the general cooling is performed through natural air cooling, the cooling efficiency is low, the processing efficiency is influenced, some blowing cooling is performed through cooling the mold, the cooling of the clinker is accelerated, the cooling mode is low in cooling efficiency, and the molding effect of subsequent blowing is influenced due to the lower temperature of the mold.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a fashioned blowing mould is moulded to heat has solved the lower problem that leads to the low cooling efficiency that influences the machining efficiency of the lower grog quick cooling that influences the shaping effect and the completion back of moulding plastics of mould temperature.
(II) technical scheme
In order to achieve the above object, the present invention provides the following technical solutions: a blow mold for thermoplastic molding comprises a blow molding pipeline, wherein the bottom of the blow molding pipeline is fixedly connected with a flow guide block through a support, a cooling cavity is formed in the middle of the blow molding pipeline, a hot air blowing cavity is formed in the blow molding pipeline and is positioned at the outer side of the cooling cavity, a hot air pipeline is fixedly connected to the top of the blow molding pipeline and is positioned at the outer side of the hot air blowing cavity, a cooling pipeline is fixedly connected to the top of the blow molding pipeline and is positioned at the outer side of the cooling cavity, one end, far away from the blow molding pipeline, of the cooling pipeline penetrates through the hot air pipeline and extends to the outer side of the hot air pipeline, a connecting sleeve is fixedly connected to the outer wall of the blow molding pipeline and is positioned close to the top of the cooling pipeline, an exhaust opening is formed in the top of the connecting sleeve, a wind guide opening is formed in the bottom end of the connecting sleeve, and an inner sealing block is fixedly connected to the inner wall of the hot air blowing cavity and is positioned close to the top of the connecting sleeve, the blow molding pipeline has seted up the slip chamber with the position that the adapter sleeve is connected, the inside activity joint in slip chamber has the slider, the bottom fixedly connected with supporting spring of slider, supporting spring's bottom and the bottom inner wall fixed connection in slip chamber, the outer wall of slider is located and passes through support fixedly connected with inner seal slider by inboard position, the outside of slider is located and leans on the position fixedly connected with outer seal ring in the outside.
Preferably, one end of the hot air pipeline, which is far away from the blow molding pipeline, is fixedly connected with an air outlet of an air heater, and the air heater blows hot air to the inside of the hot air blow molding cavity through the hot air pipeline.
Preferably, the one end that the blow molding pipeline was kept away from to the cooling duct is fixed connection with the air outlet of cold blower, cools off the inside cold blast of cooling duct through the cold blower during the cooling to the inside check valve that is provided with of air outlet of cold blower makes the air outlet only can go out the air, inside gas leakage influences the fashioned effect of blow molding when preventing to carry out hot-blast blow molding.
Preferably, the outer wall of the blow molding pipeline is provided with a blow molding opening at a position close to the bottom, the blow molding opening is communicated with the inside of the hot air blow molding cavity, hot air in the hot air blow molding cavity is discharged outwards through the blow molding opening for blow molding, the wind receiving uniformity of the plastic inner wall during blow molding is improved, and the blow molding uniformity is improved.
Preferably, the guide block is bent upwards near the outer side wall, and cold air flows downwards to the upper side under the action of the guide block, so that the plastic is prevented from being deformed due to the fact that air flow directly blows to the inner wall of the plastic.
Preferably, the outer diameter of the outer sealing ring is larger than the diameter of the air guide opening, and the outer sealing ring moves downwards when being blown by hot air so as to seal the air guide opening, so that the inside is sealed.
Preferably, the cross-sectional shapes of the inner sealing block and the inner sealing sliding block are both right trapezoid, and the outer side cambered surface of the inner sealing block and the inner side cambered surface of the inner sealing sliding block are both fixedly connected with a layer of rubber pad, so that the sealing effect is improved.
Compared with the prior art, the utility model provides a shaping's blowing mould is moulded to heat possesses following beneficial effect:
1. this thermoplastic forming's blow mold blows hot-blast shaping through the air heater during the blowing to keep the heating to the grog at the in-process of blowing, prevent that the quick cooling of plastics leads to the poor problem of shaping effect, and blow simultaneously through a plurality of blowing mouths during the blowing, make and blow evenly, thereby improved blow molding's effect.
2. This thermoplastic forming's blow mold, when cooling off after the completion of moulding plastics, blow cold wind to the blow molding pipeline inside through the cooling tube, cold wind gets into to the bottom of blow molding pipeline and flows into the inside of blow molding plastics through the cooling chamber, upwards blows the hot-blast of plastics inside, by the inside cooling rate who accelerates plastics to improve refrigerated efficiency, improved the efficiency of processing.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention;
fig. 4 is an enlarged view of a structure B in fig. 3 according to the present invention.
Wherein: 1. blow molding a pipe; 2. a flow guide block; 3. blowing the cavity by hot air; 4. a hot air duct; 5. a cooling chamber; 6. a cooling duct; 7. connecting sleeves; 8. an exhaust opening; 9. an air guide opening; 10. an inner sealing block; 11. a sliding cavity; 12. a slider; 13. a support spring; 14. an inner sealing slide block; 15. an outer seal ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a blow mold for thermoplastic molding, which comprises a blow pipeline 1, wherein the bottom of the blow pipeline 1 is fixedly connected with a flow guide block 2 through a bracket, the flow guide block 2 is bent upwards by the outer side wall, cold air flows downwards and upwards under the action of the flow guide block 2, so as to prevent the plastic from deforming due to the direct blowing of the air flow to the inner wall of the plastic, a cooling cavity 5 is formed in the middle of the blow pipeline 1, a blow opening is formed in the outer wall of the blow pipeline 1 and is located near the bottom, the blow opening is communicated with the inside of the hot air blow molding cavity 3, hot air in the hot air blow molding cavity 3 is discharged outwards through the blow opening for blow molding, so as to improve the wind-receiving uniformity of the inner wall of the plastic during blow molding, thereby improving the uniformity of blow molding, the hot air blow molding cavity 3 is formed in the blow pipeline 1 and is located outside the cooling cavity 5, the position of the top of the blow molding pipeline 1 and positioned at the outer side of the hot air blow molding cavity 3 is fixedly connected with a hot air pipeline 4, one end of the hot air pipeline 4 far away from the blow molding pipeline 1 is fixedly connected with an air outlet of an air heater, the air heater blows hot air to the inside of the hot air blow molding cavity 3 through the hot air pipeline 4, the hot air is blown by the air heater for molding during blow molding, thereby keeping the heating of clinker during the blow molding process, preventing the problem of poor molding effect caused by rapid cooling of plastics, and simultaneously blowing through a plurality of blow molding ports during blow molding, so that the blowing is uniform, thereby improving the effect of blow molding, the top of the blow molding pipeline 1 and positioned at the outer side of the cooling cavity 5 are fixedly connected with a cooling pipeline 6, one end of the cooling pipeline 6 far away from the blow molding pipeline 1 penetrates through the hot air pipeline 4 and extends to the outer side of the hot air pipeline 4, one end of the cooling pipeline 6 far away from the blow molding pipeline 1 is fixedly connected with an air outlet of a cold air blower, when cooling is carried out after injection molding is finished, cold air is blown into the blow molding pipeline 1 through the cooling pipeline 6, the cold air enters the bottom of the blow molding pipeline 1 through the cooling cavity 5 and flows into the blow molding plastic, hot air in the plastic is blown upwards, the cooling speed of the plastic is accelerated from the inside, the cooling efficiency is improved, the processing efficiency is improved, the cold air is blown into the cooling pipeline 6 through the cold air blower for cooling, a check valve is arranged inside an air outlet of the cold air blower, the air outlet can only blow air out, the influence of internal gas leakage on the blow molding effect during hot air blow molding is prevented, a connecting sleeve 7 is fixedly connected to the outer wall of the blow molding pipeline 1 at a position close to the top, an exhaust opening 8 is formed at the top of the connecting sleeve 7, a wind guide opening 9 is formed at the bottom end of the connecting sleeve 7, an inner sealing block 10 is fixedly connected to the inner wall of the hot air blow molding cavity 3 at a position close to the top, a sliding cavity 11 is arranged at the position where the blow molding pipeline 1 is connected with the connecting sleeve 7, a sliding block 12 is movably clamped in the sliding cavity 11, a supporting spring 13 is fixedly connected to the bottom of the sliding block 12, the bottom end of the supporting spring 13 is fixedly connected with the inner wall of the bottom of the sliding cavity 11, an inner sealing sliding block 14 is fixedly connected to the outer wall of the sliding block 12 at the position close to the inner side through a support, the cross-sectional shapes of the inner sealing block 10 and the inner sealing sliding block 14 are both right trapezoid, a layer of rubber pad is fixedly connected to the outer side cambered surface of the inner sealing block 10 and the inner side cambered surface of the inner sealing sliding block 14 close to the inner side, so that the sealing effect is improved, an outer sealing ring 15 is fixedly connected to the position close to the outer side outside of the sliding block 12, the outer diameter of the outer sealing ring 15 is larger than the diameter of the air guide opening 9, and the outer sealing ring 15 can move downwards when being blown by hot air so as to seal the air guide opening 9, thereby sealing the interior.
When the hot air blowing device is used, hot air is blown into the hot air pipeline 4 through the hot air blower, the hot air enters the hot air blowing cavity 3 through the hot air pipeline 4, the hot air pushes the inner sealing slide block 14 to move downwards, the inner sealing slide block 14 moves downwards to drive the slide block 12 to compress the supporting spring 13 downwards, the slide block 12 drives the outer sealing ring 15 to move downwards to seal the air guide opening 9, so that the hot air is prevented from entering the connecting sleeve 7, then the hot air flows downwards to enter the blow molding plastic through the sliding cavity 11 and the blow molding opening to blow molding, the plastic is heated through the hot air in the blow molding process, so that the non-uniform blow molding caused by plastic cooling is prevented, after the blow molding is completed, the hot air blower stops working, the outer sealing ring 15 moves upwards under the action of the supporting spring 13 and the slide block 12 to remove the sealing of the connecting sleeve 7, and meanwhile, the slide block 12 drives the inner sealing slide block 14 to move upwards to seal the hot air blowing cavity 3, start cold hair-dryer, cold hair-dryer passes through cooling tube 6 and cooling chamber 5 carries the inside to plastics with cold air, cold wind flows to upside under the effect of water conservancy diversion piece 2 downwards, thereby prevent that the air current from directly blowing to the inner wall of plastics and lead to plastics to take place deformation, thereby inside atmospheric pressure increase will be hot-blast through wind-guiding opening 9 and discharge to the inside of adapter sleeve 7, it upwards discharges through exhaust opening 8 to get into the hot-blast after 7 inside adapters sleeve, cool off by the inside of plastic bottle, the cooling efficiency after the plastic molding has been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A blow mould for thermoplastic moulding, comprising a blow pipe (1), characterized in that: the bottom of the blow molding pipeline (1) is fixedly connected with a flow guide block (2) through a support, a cooling cavity (5) is formed in the middle of the inside of the blow molding pipeline (1) and is positioned in the middle of the blow molding pipeline, a hot air blowing cavity (3) is formed in the inside of the blow molding pipeline (1) and is positioned in the position outside the cooling cavity (5), a hot air pipeline (4) is fixedly connected to the top of the blow molding pipeline (1) and is positioned in the position outside the hot air blowing cavity (3), a cooling pipeline (6) is fixedly connected to the top of the blow molding pipeline (1) and is positioned in the position outside the cooling cavity (5), one end, far away from the blow molding pipeline (1), of the cooling pipeline (6) penetrates through the hot air pipeline (4) and extends to the outside of the hot air pipeline (4), a connecting sleeve (7) is fixedly connected to the position, close to the top, an exhaust opening (8) is formed in the top of the connecting sleeve (7), wind-guiding opening (9) have been seted up to the bottom of adapter sleeve (7), the inner wall of hot-blast blowing chamber (3) is located the position fixedly connected with inner seal piece (10) that is close to the top, slip chamber (11) have been seted up to the position that blow molding pipeline (1) and adapter sleeve (7) are connected, the inside activity joint of slip chamber (11) has slider (12), the bottom fixedly connected with supporting spring (13) of slider (12), the bottom of supporting spring (13) and the bottom inner wall fixed connection of slip chamber (11), the outer wall of slider (12) is located and passes through support fixedly connected with inner seal slider (14) by the inboard position, the outside of slider (12) is located the position fixedly connected with outer seal ring (15) that leans on the outside.
2. A thermoplastic blow mold according to claim 1, wherein: and one end of the hot air pipeline (4) far away from the blow molding pipeline (1) is fixedly connected with an air outlet of the hot air blower.
3. A thermoplastic blow mold according to claim 1, wherein: one end, far away from the blow molding pipeline (1), of the cooling pipeline (6) is fixedly connected with an air outlet of the cold air blower, and a one-way valve is arranged inside the air outlet of the cold air blower.
4. A thermoplastic blow mold according to claim 1, wherein: the outer wall of the blow molding pipeline (1) is provided with a blow molding opening at a position close to the bottom, and the blow molding opening is communicated with the inside of the hot air blow molding cavity (3).
5. A thermoplastic blow mold according to claim 1, wherein: the guide block (2) is bent upwards by the outer side wall.
6. A thermoplastic blow mold according to claim 1, wherein: the outer diameter of the outer sealing ring (15) is larger than the diameter of the air guide opening (9).
7. A thermoplastic blow mold according to claim 1, wherein: the cross sections of the inner sealing block (10) and the inner sealing sliding block (14) are both right-angled trapezoids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022459724.6U CN214294413U (en) | 2020-10-28 | 2020-10-28 | Thermoplastic molding blow mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022459724.6U CN214294413U (en) | 2020-10-28 | 2020-10-28 | Thermoplastic molding blow mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214294413U true CN214294413U (en) | 2021-09-28 |
Family
ID=77840851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022459724.6U Expired - Fee Related CN214294413U (en) | 2020-10-28 | 2020-10-28 | Thermoplastic molding blow mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214294413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290648A (en) * | 2022-01-17 | 2022-04-08 | 珠海保税区中富聚酯啤酒瓶有限公司 | Equipment for manufacturing PET plastic container blank |
-
2020
- 2020-10-28 CN CN202022459724.6U patent/CN214294413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290648A (en) * | 2022-01-17 | 2022-04-08 | 珠海保税区中富聚酯啤酒瓶有限公司 | Equipment for manufacturing PET plastic container blank |
| CN114290648B (en) * | 2022-01-17 | 2024-02-13 | 珠海保税区中富聚酯啤酒瓶有限公司 | Manufacturing equipment for PET plastic container blanks |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |