CN218505149U - Special thermal insulation equipment for engineering plastic manufacturing - Google Patents
Special thermal insulation equipment for engineering plastic manufacturing Download PDFInfo
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- CN218505149U CN218505149U CN202222605469.0U CN202222605469U CN218505149U CN 218505149 U CN218505149 U CN 218505149U CN 202222605469 U CN202222605469 U CN 202222605469U CN 218505149 U CN218505149 U CN 218505149U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Injection Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a special heat preservation equipment of engineering plastics manufacturing relates to plastics manufacturing heat preservation technical field. The heat insulation device comprises a heat insulation layer, a heat insulation layer and a vacuum layer which are sequentially arranged, wherein the heat insulation layer is tightly attached to the outer wall of the injection molding pipe; the heat insulation layer is provided with a spiral groove, an air inlet of the spiral groove is provided with an air blower and a heating device, and an air outlet of the spiral groove is communicated with the annular preheater; the annular preheater is arranged in the vacuum layer, the outer wall of the injection molding head is sleeved with the annular preheater and used for heating the injection molding head, the annular preheater is communicated with the storage tank through a guide pipe arranged in the vacuum layer, and the storage tank is communicated with the cold water tank through an exhaust pipe. In the utility model, the hot air surrounds the heat preservation layer through the structure of the air blower and the spiral groove, so that the heat insulation effect of the heat preservation layer is improved; the annular preheater heats the injection molding head, reduces the temperature difference between the injection molding head and the injection molding pipe, reduces stress and improves production quality.
Description
Technical Field
The utility model belongs to the technical field of the plastics are made and are kept warm, especially a special heat preservation equipment is made to engineering plastics.
Background
An injection molding machine is used in the manufacturing process of engineering plastics, the injection molding machine is high-energy-consumption equipment applied to the production of thermoplastic materials, and the working temperature can reach 400 ℃ at most. The traditional injection molding machine consumes a large amount of electric energy, and is not provided with a heat preservation device, so that the high temperature of the outer wall of the traditional injection molding machine is directly dissipated into the air, the temperature of a production workshop is too high, operators cannot work for a long time, and the safety accident that the operators are scalded is easy to occur; the temperature difference between the feeding port and the injection molding head of the injection molding machine and the melting channel is too large, so that the plastic raw materials can generate stress at the feeding port and the injection molding head, and the quality problem of plastic products is caused. The existing solution is to install a heat preservation device outside the charging barrel of the injection molding machine, and preheat the heat preservation device and distribute the heat preservation device by a heat collection device to be collected and dried for a raw material box, so that the energy-saving effect is achieved. But this kind of mode can lead to the heat preservation effect of heat preservation equipment not good, and preheat inefficiency, so can preheat the plastics raw materials in injection head and the storage case and be the problem that most engineering plastics manufacture special heat preservation equipment need solve at present when improving the heat preservation effect.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a special heat preservation equipment of engineering plastics manufacturing to solve among the prior art heat preservation equipment during operation, the big problem that produces stress of the difference in temperature in head of moulding plastics and the storage incasement raw materials and the injection molding machine injection moulding pipe.
The technical scheme is as follows:
a special heat preservation device for manufacturing engineering plastics comprises; the heat insulation device comprises a heat insulation layer, a heat insulation layer and a vacuum layer which are sequentially arranged, wherein the heat insulation layer is tightly attached to the outer wall of the injection molding pipe; a spiral groove is formed in the heat insulation layer, extends from the feeding end of the injection molding pipe to the injection molding head around the heat insulation layer, an air blower is arranged at an air inlet of the spiral groove, a heating device is arranged between the air blower and the air inlet, and an air outlet of the spiral groove is communicated with the annular preheater; the annular preheater is arranged in the vacuum layer, the outer wall of the injection molding head is sleeved with the annular preheater and used for heating the injection molding head, the annular preheater is communicated with the storage tank through a guide pipe arranged in the vacuum layer, and the storage tank is communicated with the cold water tank through an exhaust pipe.
Preferably, the storage box is provided with a ventilation gauze which divides the storage box into an air inlet bin and a storage bin, the air inlet bin is communicated with the guide pipe, and the top of the storage bin is communicated with an exhaust pipe; the bottom of the storage bin is communicated with the injection molding pipe through a feeding pipe.
Preferably, the air intake bin surrounds the storage bin.
Preferably, the ventilation gauze is arranged to be detachable.
Preferably, the annular preheater is provided with a labyrinth type heat exchange groove, an air inlet and an air outlet of the heat exchange groove are respectively communicated with the spiral groove and the guide pipe, the outer wall of the injection molding head is provided with a plurality of fins, and the fins extend into the heat exchange groove.
Preferably, the communicating part of the storage bin and the feeding pipe is provided with an electromagnetic valve, and a temperature sensor is arranged in the storage bin.
Preferably, the storage bin with inlet pipe intercommunication department is equipped with the solenoid valve, be equipped with temperature sensor in the storage bin.
Preferably, the bottom of the storage bin is provided with an annular inclined plane.
The utility model has the advantages that:
1. the utility model discloses in, through the structure of air-blower and helicla flute for the hot-blast heat preservation that encircles of heating improves the thermal-insulated effect of heat preservation, reduces the intraduct heat consumption of moulding plastics, improves production efficiency.
2. The utility model discloses in, helicla flute and annular preheater intercommunication, rethread labyrinth heat transfer groove and fin structure's combination heats the head of moulding plastics for in the injection molding machine use, reduce the head of moulding plastics and mould plastics intraductal difference in temperature, reduce stress, improve production quality.
3. The utility model discloses in, through annular preheater and storage case intercommunication, hot-blast entering storage case from annular preheater gives through the ventilation gauze and waits to process plastic raw materials and preheats, reduces the intraductal difference in temperature with plastic raw materials of moulding plastics, reduces the intraductal heating time of melting of moulding plastics, improves production efficiency.
4. The utility model discloses in, the ventilation gauze can be dismantled, and convenient regular cleaning and change prevent to use piece and dust for a long time to plug up the ventilation gauze, lead to the ventilation effect poor, and the effect is preheated in the influence.
Drawings
Fig. 1 is a schematic front sectional structural view of the present invention.
Fig. 2 is a schematic bottom perspective view of the present invention.
Fig. 3 is a left side perspective view structure diagram of the present invention.
Fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
Fig. 5 is a schematic view of the expanded structure of the labyrinth heat exchange tank of the present invention.
Fig. 6 is a schematic view of a development structure of the labyrinth heat exchange groove of the present invention.
The reference signs are: 1. a heat-insulating layer; 2. a thermal insulation layer; 3. a vacuum layer; 4. injection molding a tube; 5. a helical groove; 6. a blower; 7. a heating device; 8. a conduit; 9. an exhaust pipe; 10. a material storage box; 11. a cold water pool; 12. ventilating gauze; 13. an air inlet bin; 14. a storage bin; 15. a feed pipe; 16. an annular preheater; 17. an injection head; 18. an annular bevel; 19. a heat exchange tank; 20. a fin; 21. an electromagnetic valve; 22. a temperature sensor.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-6, the heat preservation device special for engineering plastic manufacturing disclosed by the utility model comprises a heat preservation layer 1, a heat insulation layer 2 and a vacuum layer 3 which are arranged in sequence, wherein the heat preservation layer 1 is tightly attached to the outer wall of an injection molding pipe 4; a spiral groove 5 is formed in the heat insulation layer 2, the spiral groove 5 surrounds the heat insulation layer 1 and extends from the feeding end of the injection molding pipe 4 to the injection molding head 17, an air blower 6 is arranged at the air inlet of the spiral groove 5, a heating device 7 is arranged between the air blower 6 and the air inlet, and the air outlet of the spiral groove 5 is communicated with an annular preheater 16; annular pre-heater 16 locates in vacuum layer 3, and the head 17 outer wall of moulding plastics is located to annular pre-heater 16 cover for the heating head 17 of moulding plastics, annular pre-heater 16 is through locating 8 intercommunication storage tanks 10 of pipe in the vacuum layer 3, and storage tanks 10 passes through blast pipe 9 and 11 intercommunications in cold water pond. The hot air finally flows to the cold water tank 11, so that the temperature of the working space of the working personnel is prevented from rising, and the work is not facilitated.
On the basis of the above embodiment, the heat-insulating layer 1 and the heat-insulating layer 2 are both made of heat-insulating materials, the heating device 7 is a thermistor, the heating device 7 is arranged on the inner wall of the inlet of the spiral groove 5, the air blower 6 is tightly matched with the inlet of the spiral groove 5, and the combination of the heating device 7 and the air blower 6 can rapidly heat the air blown into the spiral groove 5.
On the basis of the above embodiment, the storage box 10 is provided with the ventilation gauze 12, the ventilation gauze 12 divides the storage box 10 into an air inlet bin 13 and a storage bin 14, the air inlet bin 13 is communicated with the guide pipe 8, and the top of the storage bin 14 is communicated with the exhaust pipe 9; the bottom of the storage bin 14 is communicated with the injection molding pipe 4 through a feeding pipe 15.
On the basis of the above embodiment, the position of the feeding pipe 15 has two options, the first is that the feeding pipe 15 penetrates through the vacuum layer 3, the heat insulation layer 2 and the heat insulation layer 1 to be communicated with the storage bin and the injection molding pipe 4, when the feeding pipe 15 penetrates through the heat insulation layer 2, the pitch of the spiral groove 5 needs to be larger than the diameter of the feeding pipe 15, so that the feeding pipe 15 is prevented from being communicated with the spiral groove 5 in a crossing manner, and hot air is prevented from passing through the spiral groove 5 and blocking raw materials from entering the injection molding pipe 4; secondly, the feeding pipe 15 can be arranged outside the heat preservation device, and the feeding pipe 15 is directly communicated with the injection molding pipe 4.
On the basis of the above embodiment, the air inlet bin 13 surrounds the storage bin 14, and the surrounding structure enables the plastic raw materials in the storage bin 14 to be uniformly preheated, so that the production efficiency is improved.
On the basis of the above-described embodiment, the ventilation screen 12 is provided to be detachable. The ventilation gauze 12 can be dismantled, makes things convenient for regular cleaning and change, prevents to use piece and dust for a long time to plug up ventilation gauze 12, leads to the ventilation effect poor, and the effect is preheated in the influence.
On the basis of the above embodiment, the annular preheater 16 is provided with a labyrinth type heat exchange groove 19, an air inlet and an air outlet of the heat exchange groove 19 are respectively communicated with the spiral groove 5 and the conduit 8, the outer wall of the injection molding head 17 is provided with a plurality of fins 20, and the fins 20 extend into the heat exchange groove 19. Labyrinth heat transfer groove 19 can increase the hot-blast circulation route, and fin 20 stretches into heat transfer groove 19 and directly contacts with hot-blast, reinforcing annular pre-heater 16 heat conduction effect for the heating is moulded plastics first 17 effects better.
On the basis of the above embodiment, the labyrinth-type heat exchange groove 19 is a symmetrical semicircular structure, the air inlets of the heat exchange groove 19 are two symmetrical air inlets, hot air enters the heat exchange groove 19 from the two air inlets in two ways, the heat exchange groove 19 is a first structure or a second structure, the first structure is formed by a plurality of U-shaped grooves as shown in fig. 5, and the second structure is a labyrinth structure formed by a plurality of baffles as shown in fig. 6.
On the basis of the above embodiment, the electromagnetic valve 21 is disposed at the communication position between the storage bin 14 and the feeding pipe 15, and the temperature sensor 22 is disposed in the storage bin 14. The electromagnetic valve 21 and the temperature sensor 22 are controlled by a system, the temperature sensor 22 sets the preheating temperature in advance, when the temperature in the storage bin 14 reaches the preset temperature, the system control electromagnetic valve 21 is opened, after all the plastic raw materials leave the storage bin 14, the system control electromagnetic valve 21 is closed, and the plastic raw materials enter the injection molding pipe 4 through the feeding pipe 9 for processing.
On the basis of the above embodiment, the bottom of the storage bin 14 is provided with an annular inclined surface 18. Effectively preventing the plastic feedstock from accumulating within the storage bin 14.
The utility model discloses one of them implementation does: the staff sets up the preheating temperature of temperature sensor 22 in advance, then opens heating device 7 and air-blower 6, and hot-blast loop through helicla flute 5, annular preheater 16 and pipe 8 gets into air inlet bin 13, preheats for the plastics raw materials in injection head 17 and the storage silo 14, and surplus gas gets into cold water pool 11 through blast pipe 9 and cools off. When the temperature in the storage bin 14 reaches a preset value, the electromagnetic valve 21 is opened, the plastic raw materials enter the injection molding pipe 4 for processing, after all the plastic raw materials leave the storage bin 14, the electromagnetic valve 21 is closed, after all the plastic raw materials are processed, the heating device 7 and the air blower 6 are closed, and the injection molding machine is closed.
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.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a special heat preservation equipment of engineering plastics manufacturing which characterized in that: the heat insulation device comprises a heat insulation layer (1), a heat insulation layer (2) and a vacuum layer (3) which are sequentially arranged, wherein the heat insulation layer (1) is tightly attached to the outer wall of the injection molding pipe (4); a spiral groove (5) is formed in the heat insulation layer (2), the spiral groove (5) surrounds the heat insulation layer (1) and extends from the feed end of the injection molding pipe (4) to the injection molding head (17), an air inlet of the spiral groove (5) is provided with an air blower (6), a heating device (7) is arranged between the air blower (6) and the air inlet, and an air outlet of the spiral groove (5) is communicated with an annular preheater (16); annular pre-heater (16) are located in vacuum layer (3), the head (17) outer wall of moulding plastics is located to annular pre-heater (16) cover for the heating head (17) of moulding plastics, annular pre-heater (16) are through locating pipe (8) intercommunication storage case (10) in vacuum layer (3), storage case (10) are through blast pipe (9) and cold water basin (11) intercommunication.
2. The special insulation equipment for engineering plastic manufacture according to claim 1, wherein: the storage box (10) is provided with a ventilation gauze (12), the ventilation gauze (12) divides the storage box (10) into an air inlet bin (13) and a storage bin (14), the air inlet bin (13) is communicated with the guide pipe (8), and the top of the storage bin (14) is communicated with an exhaust pipe (9); the bottom of the storage bin (14) is communicated with the injection molding pipe (4) through a feeding pipe (15).
3. The special insulation equipment for engineering plastic manufacture according to claim 2, wherein: the air inlet bin (13) surrounds the storage bin (14).
4. The special insulation equipment for engineering plastic manufacture according to claim 2, wherein: the ventilation gauze (12) is detachably arranged.
5. The special insulation equipment for engineering plastic manufacture according to claim 1, wherein: labyrinth heat exchange groove (19) are seted up in annular preheater (16), heat exchange groove (19) air inlet and gas outlet respectively with helicla flute (5) with pipe (8) intercommunication, it is equipped with a plurality of fins (20) to mould plastics first (17) outer wall, fin (20) stretch into to heat exchange groove (19).
6. The special insulation equipment for engineering plastic manufacture according to claim 2, wherein: the storage bin (14) with inlet pipe (15) intercommunication department is equipped with solenoid valve (21), be equipped with temperature sensor (22) in storage bin (14).
7. The special insulation equipment for engineering plastic manufacture according to claim 2, wherein: the bottom of the storage bin (14) is provided with an annular inclined surface (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222605469.0U CN218505149U (en) | 2022-09-30 | 2022-09-30 | Special thermal insulation equipment for engineering plastic manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222605469.0U CN218505149U (en) | 2022-09-30 | 2022-09-30 | Special thermal insulation equipment for engineering plastic manufacturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218505149U true CN218505149U (en) | 2023-02-21 |
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ID=85213417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222605469.0U Active CN218505149U (en) | 2022-09-30 | 2022-09-30 | Special thermal insulation equipment for engineering plastic manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218505149U (en) |
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2022
- 2022-09-30 CN CN202222605469.0U patent/CN218505149U/en active Active
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