CN219686488U - Heating device of injection molding machine - Google Patents
Heating device of injection molding machine Download PDFInfo
- Publication number
- CN219686488U CN219686488U CN202320181559.3U CN202320181559U CN219686488U CN 219686488 U CN219686488 U CN 219686488U CN 202320181559 U CN202320181559 U CN 202320181559U CN 219686488 U CN219686488 U CN 219686488U
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- China
- Prior art keywords
- heat recovery
- waste heat
- recovery cover
- cover
- injection molding
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 63
- 238000001746 injection moulding Methods 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 claims abstract description 66
- 239000002918 waste heat Substances 0.000 claims abstract description 66
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 238000003825 pressing Methods 0.000 claims description 16
- 238000000605 extraction Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a heating device of an injection molding machine, which comprises a heater body, wherein the heater body is formed by hinging two heating rings through a pin shaft, and is characterized in that a heat dissipation hole is formed in the outer side of one heating ring, a waste heat recovery cover is arranged at the position of the heater aligned with the heat dissipation hole, the waste heat recovery cover is hollow, a cooling coil is arranged on the inner side of the waste heat recovery cover, and two ends of the cooling coil extend out from two ends of the waste heat recovery cover respectively. The side of the heater is provided with the waste heat recovery cover, the cooling coil is arranged in the waste heat recovery cover, and the cooling coils of the adjacent heaters can be connected together by the cooling coils, so that cold water is conveniently injected into the cooling coils, and heat released by the outer surfaces of the heaters can be recovered by the cold water. The waste of heat energy is avoided, and meanwhile, the workers can be prevented from being scalded.
Description
Technical Field
The utility model relates to the technical field of heating of injection molding machines, in particular to a heating device of an injection molding machine.
Background
The heating device of the injection molding machine is a heater arranged outside a machine barrel of the injection molding machine, and the heater is mainly used for conveniently heating and melting injection molding raw materials in the injection molding raw material conveying process, so that molten raw materials are conveniently injected into a mold.
The existing heaters used by the injection molding machine are mainly two types, namely an electromagnetic heater and an infrared heater, and the infrared heater gradually replaces the electromagnetic heater in the field of the injection molding machine because the outer surface temperature of the infrared heater is lower than that of the electromagnetic heater when the infrared heater works. For example, chinese patent grant publication No. CN211640874U discloses a heating device for an injection molding machine, which comprises a housing, an insulating layer and a heating body, the first housing and the second housing are all in a symmetrical semicircle ring shape, the first housing and the second housing are sequentially provided with a stainless steel outer cover layer, an insulating layer and an electric heater from outside to inside, the top ends of the first housing and the second housing are all provided with a temperature control port, a temperature sensor is arranged on the inner wall of the insulating layer, the temperature sensor is electrically connected with a control system of the injection molding machine, and the electric heater is fixed on the inner sides of the first housing and the second housing. The injection molding machine heating device adopts the electric heating wire as the heater, has high heat conversion rate, only generates heat radiation when being electrified, and does not generate harmonic waves through infrared radiation conduction, thereby having no influence on a power grid; the installation and maintenance are simple, the thermal inertia is small, the temperature control precision is high, and the silicon dioxide aerogel heat insulation layer and the ceramic heat insulation layer are arranged, so that the heat loss can be effectively controlled, and the practicability is strong.
The above patent is a common electromagnetic heater for injection molding machines, but in actual use, both the infrared heater and the electromagnetic heater release heat from the outer surface during operation. The external surfaces of the infrared heaters and the electromagnetic heaters in the prior art are not provided with waste heat recovery mechanisms, so that heat released by the external surfaces of the heaters of the injection molding machine is wasted, the temperature of a working workshop is increased, and workers are easy to scald. Therefore, there is an urgent need in the market for a heater for an injection molding machine capable of recovering waste heat.
Disclosure of Invention
The utility model aims to provide a heating device of an injection molding machine, which aims to solve the problems that the external surfaces of the existing infrared heaters and electromagnetic heaters are not provided with waste heat recovery mechanisms, so that the waste of heat released by the external surfaces of the heaters of the injection molding machine causes the temperature rise of a working workshop and the workers are easy to scald.
The utility model is realized in the following way:
the utility model provides an injection molding machine heating device, includes the heater body, the heater body is formed by two heating rings through the round pin axle is articulated, one of them the heating ring outside is equipped with the louvre, just should the position that the louvre was aligned in the heating ring outside is equipped with the waste heat recovery cover, the inside cavity of waste heat recovery cover, just the waste heat recovery cover inboard is equipped with cooling coil, the both ends of cooling coil follow the both ends of waste heat recovery cover respectively and stretch out.
Preferably, two non-articulated one ends of the heating rings are provided with connecting plates, the two connecting plates are connected together through bolts, a junction box is arranged on the side face of the heating ring of the waste heat recovery cover, an air extraction fan is arranged in the middle of the junction box, a wire is arranged at the top of the junction box and connected with the heating ring, and an electricity connection slot is arranged on the side face of the junction box.
Preferably, the inner side surface of the waste heat recovery cover is provided with ventilation holes, the top end and the bottom end of the waste heat recovery cover are respectively provided with a pressing plate, a plurality of compression bolts are arranged on the pressing plates, and the top end and the bottom end of the waste heat recovery cover are respectively provided with a perforation.
Preferably, one end of the cooling coil is provided with a switching cap, the other end of the cooling coil is provided with a screwed joint, and the switching cap is matched with the screwed joint.
Preferably, an exhaust hole is formed in one side of the waste heat recovery cover, drainage pipes are arranged at positions, close to the top and the bottom, of the other side of the waste heat recovery cover, a drainage cover is sleeved on the outer side of the air suction fan, and two ends of the drainage pipes are connected with the drainage cover.
Preferably, the top and the bottom of the drainage cover are respectively provided with a connecting pipe, the end parts of the connecting pipes are provided with connecting caps, and the side surfaces of the drainage cover are provided with jackscrews.
Compared with the prior art, the utility model has the beneficial effects that:
1. the side at the heater is equipped with the waste heat recovery cover, and the inside cooling coil that is equipped with of waste heat recovery cover, cooling coil can be so that the cooling coil of adjacent heater links together to conveniently pour into cold water into inside the cooling coil, can retrieve the heat that the heater surface released through cold water, avoided the waste of heat energy, also can effectively avoid the staff to be scalded simultaneously.
2. The drainage cover is arranged on the outer side of the air suction fan, and hot air drawn out by the air suction fan can be poured into the waste heat recovery cover, so that the waste heat recovery efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a heater of an injection molding machine according to the present utility model;
FIG. 2 is a schematic view of the structure of the heater body of the present utility model;
FIG. 3 is a schematic view of the construction of the waste heat recovery hood of the present utility model;
FIG. 4 is a schematic view of the structure of the cooling coil of the present utility model;
FIG. 5 is a schematic structural view of the drainage cover of the present utility model.
In the figure: 1. a heater body; 10. a heating ring; 11. a pin shaft; 12. a connecting plate; 13. a bolt; 14. a junction box; 15. an air extraction fan; 16. a wire; 17. a power connection slot; 18. a heat radiation hole; 2. a waste heat recovery cover; 21. an exhaust hole; 22. ventilation holes; 23. a drainage tube; 24. a pressing plate; 25. a compression bolt; 26. perforating; 3. a cooling coil; 31. a threaded joint; 32. a transfer cap; 4. a drainage cover; 41. a connecting pipe; 42. a connecting cap; 43. and (5) jackscrews.
The specific embodiment is as follows:
in the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The following is further described with reference to the accompanying drawings and specific examples:
example 1
As shown in fig. 1 and 2, a heating device of an injection molding machine comprises a heater body 1, wherein the heater body 1 is formed by hinging two heating rings 10 through a pin shaft 11, one of the heating rings 10 is provided with a heat dissipation hole 18 outside, the position of the heat dissipation hole 18 aligned with the outer side of the heating ring 10 is provided with a waste heat recovery cover 2, the waste heat recovery cover 2 is hollow, the inner side of the waste heat recovery cover 2 is provided with a cooling coil 3, and two ends of the cooling coil 3 respectively extend out from two ends of the waste heat recovery cover 2. The heater body 1 facilitates heating and melting of the raw material inside the barrel. The pin shaft 11 facilitates the connection of the two heating rings 10 and forms the heater body 1, and facilitates the clamping of the heater body 1 on the outer side of the machine barrel. The heat dissipation holes 18 facilitate the rapid dissipation of heat generated at the surface of the heating collar 10. The waste heat recovery cover 2 is matched with the cooling coil 3 to recover the heat emitted by the heating ring 10, so that the heat energy is effectively saved. Avoiding the waste of heat energy.
As shown in fig. 2, the non-hinged ends of the two heating rings 10 are respectively provided with a connecting plate 12, the two connecting plates 12 are connected together through bolts 13, the side surface of the heating ring 10, on which the waste heat recovery cover 2 is not mounted, is provided with a junction box 14, the middle part of the junction box 14 is provided with an air extraction fan 15, the top of the junction box 14 is provided with a wire 16 which is connected with the heating ring 10, and the side surface of the junction box 14 is provided with an electric connection slot 17. The cooperation of the connecting plate 12 and the bolt 13 is convenient for the heater body 1 to be stably arranged outside the machine barrel, and is convenient for the installation and the use of the heater. The junction box 14 facilitates the wiring and electrifying of the heater body 1, and facilitates the use of the heater body 1. The air extraction fan 15 is convenient for extracting heat outside the heating ring 10, and is convenient for rapidly dissipating the heat outside the heating ring 10. The leads 16 facilitate connection of the junction box 14 to circuitry within the heater coil 10. The power receiving slot 17 facilitates the connection of an external circuit to the heater body 1.
As shown in fig. 3, the inner side surface of the waste heat recovery cover 2 is provided with ventilation holes 22, the top end and the bottom end of the waste heat recovery cover 2 are respectively provided with a pressing plate 24, a plurality of pressing bolts 25 are arranged on the pressing plates 24, and the top end and the bottom end of the waste heat recovery cover 2 are respectively provided with a perforation 26. The ventilation holes 22 facilitate the heat generated by the heating ring 10 to rapidly enter the waste heat recovery cover 2. The pressing plate 24 is matched with the pressing bolt 25 to facilitate the stable installation of the waste heat recovery cover 2 on the heating ring 10. The perforations 26 facilitate the ability of the cooling coil 3 to protrude from the ends of the heat recovery hood 2.
As shown in fig. 4, one end of the cooling coil 3 is provided with an adapter cap 32, and the other end of the cooling coil 3 is provided with a screwed joint 31, and the adapter cap 32 is matched with the screwed joint 31. This configuration facilitates the interconnection of the cooling coils 3 of adjacent heaters on the barrel, thereby facilitating the simultaneous cooling of the cooling coils 3 of multiple heaters.
Working principle: when the cooling coil pipe cooling device is used, the plurality of heater bodies 1 are matched with the cooling coil pipe 3 and the waste heat recovery cover 2 for use, and the heaters are sequentially arranged on the outer side of the machine barrel of the injection molding machine, so that the cooling coil pipes 3 of the adjacent heaters are mutually spliced together, and the spliced cooling coil pipes 3 are connected with the cold water conveying pipes. After which cold water is introduced into the cooling coil 3. After the heater starts to work, heat generated on the outer side of the heater can be absorbed by cold water in the cooling coil 3, so that the purpose of waste heat recycling is achieved. Compared with the prior art, the waste heat recovery cover 2 is arranged on the side face of the heater, the cooling coil pipes 3 are arranged in the waste heat recovery cover 2, and the cooling coil pipes 3 can enable the cooling coil pipes 3 of adjacent heaters to be connected together, so that cold water is conveniently injected into the cooling coil pipes 3, and heat released by the outer surface of the heater can be recovered through the cold water. The waste of heat energy is avoided, and meanwhile, the workers can be prevented from being scalded.
Example 2
As shown in fig. 1 and 2, a heating device of an injection molding machine comprises a heater body 1, wherein the heater body 1 is formed by hinging two heating rings 10 through a pin shaft 11, one of the heating rings 10 is provided with a heat dissipation hole 18 outside, the position of the heat dissipation hole 18 aligned with the outer side of the heating ring 10 is provided with a waste heat recovery cover 2, the waste heat recovery cover 2 is hollow, the inner side of the waste heat recovery cover 2 is provided with a cooling coil 3, and two ends of the cooling coil 3 respectively extend out from two ends of the waste heat recovery cover 2. The heater body 1 facilitates heating and melting of the raw material inside the barrel. The pin shaft 11 facilitates the connection of the two heating rings 10 and forms the heater body 1, and facilitates the clamping of the heater body 1 on the outer side of the machine barrel. The heat dissipation holes 18 facilitate the rapid dissipation of heat generated at the surface of the heating collar 10. The waste heat recovery cover 2 is matched with the cooling coil 3 to recover the heat emitted by the heating ring 10, so that the heat energy is effectively saved. Avoiding the waste of heat energy.
As shown in fig. 2, the non-hinged ends of the two heating rings 10 are respectively provided with a connecting plate 12, the two connecting plates 12 are connected together through bolts 13, the side surface of the heating ring 10, on which the waste heat recovery cover 2 is not mounted, is provided with a junction box 14, the middle part of the junction box 14 is provided with an air extraction fan 15, the top of the junction box 14 is provided with a wire 16 which is connected with the heating ring 10, and the side surface of the junction box 14 is provided with an electric connection slot 17. The cooperation of the connecting plate 12 and the bolt 13 is convenient for the heater body 1 to be stably arranged outside the machine barrel, and is convenient for the installation and the use of the heater. The junction box 14 facilitates the wiring and electrifying of the heater body 1, and facilitates the use of the heater body 1. The air extraction fan 15 is convenient for extracting heat outside the heating ring 10, and is convenient for rapidly dissipating the heat outside the heating ring 10. The leads 16 facilitate connection of the junction box 14 to circuitry within the heater coil 10. The power receiving slot 17 facilitates the connection of an external circuit to the heater body 1.
As shown in fig. 3, the inner side surface of the waste heat recovery cover 2 is provided with ventilation holes 22, the top end and the bottom end of the waste heat recovery cover 2 are respectively provided with a pressing plate 24, a plurality of pressing bolts 25 are arranged on the pressing plates 24, and the top end and the bottom end of the waste heat recovery cover 2 are respectively provided with a perforation 26. The ventilation holes 22 facilitate the heat generated by the heating ring 10 to rapidly enter the waste heat recovery cover 2. The pressing plate 24 is matched with the pressing bolt 25 to facilitate the stable installation of the waste heat recovery cover 2 on the heating ring 10. The perforations 26 facilitate the ability of the cooling coil 3 to protrude from the ends of the heat recovery hood 2.
As shown in fig. 4, one end of the cooling coil 3 is provided with an adapter cap 32, and the other end of the cooling coil 3 is provided with a screwed joint 31, and the adapter cap 32 is matched with the screwed joint 31. This configuration facilitates the interconnection of the cooling coils 3 of adjacent heaters on the barrel, thereby facilitating the simultaneous cooling of the cooling coils 3 of multiple heaters.
As shown in fig. 1 and 2, an exhaust hole 21 is arranged on one side of the waste heat recovery cover 2, drainage pipes 23 are arranged on the other side of the waste heat recovery cover 2 and close to the top and the bottom, a drainage cover 4 is sleeved on the outer side of the air suction fan 15, and two ends of the drainage pipes 23 are connected with the drainage cover 4. The exhaust hole 21 is convenient for the gas exhausted by the air exhaust fan 15 to enter the waste heat recovery cover 2 and then can be exhausted out of the waste heat recovery cover 2. The draft tube 23 facilitates the introduction of the heat extracted by the extraction fan 15 into the interior of the waste heat recovery hood 2. The drainage cover 4 is convenient to be matched with the drainage cover 4 to drain the hot air pumped by the air suction fan 15.
As shown in fig. 5, the top and the bottom of the drainage cover 4 are respectively provided with a connecting pipe 41, the end part of the connecting pipe 41 is provided with a connecting cap 42, and the side surface of the drainage cover 4 is provided with a jackscrew 43. The cooperation of the connecting pipe 41 and the connecting cap 42 facilitates the connection of the drainage cover 4 and the drainage tube 23 together. The jackscrew 43 is convenient for fixing the drainage cover 4, and the drainage cover 4 is convenient to be stably arranged outside the air exhaust fan 15.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides an injection molding machine heating device, includes heater body (1), heater body (1) is formed through round pin axle (11) articulated by two heating rings (10), one of them heating ring (10) outside is equipped with louvre (18), and should heating ring (10) outside aligns the position of louvre (18) and is equipped with waste heat recovery cover (2), waste heat recovery cover (2) inside cavity, just waste heat recovery cover (2) inboard is equipped with cooling coil (3), the both ends of cooling coil (3) are stretched out from waste heat recovery cover (2) both ends respectively.
2. The heating device of the injection molding machine according to claim 1, wherein one end of each heating ring (10) which is not hinged is provided with a connecting plate (12), the two connecting plates (12) are connected together through bolts (13), the side face of the heating ring (10) which is not provided with the waste heat recovery cover (2) is provided with a junction box (14), the middle part of the junction box (14) is provided with an air extraction fan (15), the top of the junction box (14) is provided with a lead (16) which is connected with the heating ring (10), and the side face of the junction box (14) is provided with an electricity connection slot (17).
3. The heating device of the injection molding machine according to claim 1, wherein the inner side surface of the waste heat recovery cover (2) is provided with ventilation holes (22), the top end and the bottom end of the waste heat recovery cover (2) are respectively provided with a pressing plate (24), the pressing plates (24) are provided with a plurality of pressing bolts (25), and the top end and the bottom end of the waste heat recovery cover (2) are respectively provided with a perforation (26).
4. A heating device for an injection molding machine according to any one of claims 1-3, wherein one end of the cooling coil (3) is provided with a transfer cap (32), and the other end of the cooling coil (3) is provided with a threaded joint (31), and the transfer cap (32) is matched with the threaded joint (31).
5. The heating device of the injection molding machine according to claim 2, wherein an exhaust hole (21) is formed in one side of the waste heat recovery cover (2), drainage pipes (23) are respectively arranged at positions, close to the top and the bottom, of the other side of the waste heat recovery cover (2), a drainage cover (4) is sleeved on the outer side of the air suction fan (15), and two ends of the drainage pipes (23) are connected with the drainage cover (4).
6. The heating device of the injection molding machine according to claim 5, wherein connecting pipes (41) are arranged at the top and the bottom of the drainage cover (4), connecting caps (42) are arranged at the ends of the connecting pipes (41), and jackscrews (43) are arranged on the side surfaces of the drainage cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181559.3U CN219686488U (en) | 2023-02-10 | 2023-02-10 | Heating device of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181559.3U CN219686488U (en) | 2023-02-10 | 2023-02-10 | Heating device of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219686488U true CN219686488U (en) | 2023-09-15 |
Family
ID=87969231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320181559.3U Active CN219686488U (en) | 2023-02-10 | 2023-02-10 | Heating device of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219686488U (en) |
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2023
- 2023-02-10 CN CN202320181559.3U patent/CN219686488U/en active Active
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