CN217021294U - Semi-heating type hot runner system - Google Patents
Semi-heating type hot runner system Download PDFInfo
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- CN217021294U CN217021294U CN202220607143.9U CN202220607143U CN217021294U CN 217021294 U CN217021294 U CN 217021294U CN 202220607143 U CN202220607143 U CN 202220607143U CN 217021294 U CN217021294 U CN 217021294U
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Abstract
The utility model discloses a semi-heating type hot runner system, which relates to the technical field of hot runners and comprises a flow distribution plate, wherein a filling port is fixedly arranged at the top of the flow distribution plate, a hot nozzle is fixedly arranged at the bottom of the flow distribution plate, the outer wall of the hot nozzle is in threaded connection with a heat insulation sleeve, the hot nozzle comprises a taper sleeve, the outer wall of the taper sleeve is inserted and connected with the bottom of the flow distribution plate, a fixing plate is fixedly arranged at the bottom of the taper sleeve, and a metal outer wall is fixedly arranged at the bottom of the fixing plate. The first heat conduction copper pipe is heated under the action of the first heating wire, so that the plastic melt is heated, the plastic melt is always kept in a molten state, the coagulation of a pouring system is avoided, meanwhile, the second heat conduction copper pipe is heated under the action of the second heating wire, the heating effect of the plastic melt is improved, the heat insulation effect of the first heat insulation layer and the second heat insulation layer is utilized, the heat insulation effect of the inner wall structure of the hot nozzle is realized, and the heat loss is reduced.
Description
Technical Field
The utility model relates to the technical field of hot runners, in particular to a semi-heating type hot runner system.
Background
The hot runner is used in injection mold, and has heat insulating or heating method for the pouring system of the injection mold to maintain the molten plastic melt, so as to avoid the solidification of the pouring system.
The following problems exist in the prior art:
1. the existing semi-heating type hot runner system has poor heating effect on the plastic melt, so that the problem that part of the plastic melt is solidified in the plastic melt is caused;
2. the existing semi-heating hot runner system has the problem of poor heat insulation effect on a plastic solution, so that the plastic solution is solidified frequently when coming out of a hot nozzle and entering a mold.
SUMMERY OF THE UTILITY MODEL
The utility model provides a semi-heating hot runner system, which aims to solve the problems in the background technology.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a semi-heating formula hot runner system, includes the flow distribution plate, the top fixed mounting of flow distribution plate has the sprue, the bottom fixed mounting of flow distribution plate has hot mouth, the outer wall threaded connection of hot mouth has the insulation cover.
The hot nozzle comprises a taper sleeve, the outer wall of the taper sleeve is connected with the bottom of the flow distribution plate in an inserting mode, a fixing plate is fixedly mounted at the bottom of the taper sleeve, a metal outer wall is fixedly mounted at the bottom of the fixing plate, a first heat conduction copper pipe is fixedly connected to the inner wall of the taper sleeve, and a discharge hole is formed in the bottom of the first heat conduction copper pipe.
The heat preservation cover includes the fixed cover of screw thread, the outer wall threaded connection of the inner wall of the fixed cover of screw thread and metal outer wall, the bottom fixedly connected with external metal sheet of the fixed cover of screw thread.
The technical scheme of the utility model is further improved as follows: the outer wall of the first heat conduction copper pipe is provided with a first heating wire, the inner wall of the first heat conduction copper pipe is fixedly provided with a support rod, one end of the support rod is fixedly provided with a second heat conduction copper pipe, and the front face of the second heat conduction copper pipe is provided with a second heating wire.
Adopt above-mentioned technical scheme, heater strip one, heater strip two, heat conduction copper pipe two, the mutually supporting between the heat conduction copper pipe one in this scheme, through the effect of heater strip one, heat conduction copper pipe one to heat the plastics melt, make the plastics melt remain the molten state throughout, thereby avoid producing the gating system and congeal the material, utilize the effect of heater strip two simultaneously, heat conduction copper pipe two, thereby improve the heating effect to the plastics melt.
The technical scheme of the utility model is further improved as follows: the outer wall of the first heat conduction copper pipe is provided with a first heat insulation layer, and the inner wall of the second heat conduction copper pipe is provided with a second heat insulation layer.
By adopting the technical scheme, the first heat insulation layer and the second heat insulation layer in the scheme are mutually matched, and the heat insulation layer and the second heat insulation layer are utilized to insulate the inner wall structure of the hot nozzle, so that the heat loss is reduced.
The technical scheme of the utility model is further improved as follows: the heat insulation plate is arranged on the inner wall of the external metal plate, the heat insulation plate is arranged on the inner wall of the heat insulation plate, and the inner metal plate is arranged on the inner wall of the heat insulation plate.
Adopt above-mentioned technical scheme, mutually supporting between heat insulating board, the heated board in this scheme, through the effect of heat insulating board and heated board, the gap is too big when preventing hot mouth's outer wall and mould from pegging graft, leads to the problem that the heat looses from the gap to reach isolated effect, reduce thermal loss.
The technical scheme of the utility model is further improved as follows: the bottom of the inner metal plate is provided with a high-elasticity plate, the top of the front surface of the high-elasticity plate is fixedly provided with a spring, and the bottom of the high-elasticity plate is fixedly provided with a chassis.
By adopting the technical scheme, the high-elasticity plate, the spring and the chassis in the scheme are mutually matched, and the bottom of the heat-insulating sleeve has a certain moving space by utilizing the action of the high-elasticity plate and the spring, so that the bottom of the chassis is ensured to be in close contact with the mold, the contact position of the bottom of the heat-insulating sleeve and the mold is prevented from having a gap, and the heat-insulating effect of the heat-insulating sleeve is better improved.
The technical scheme of the utility model is further improved as follows: the top of the inner cavity of the high-elasticity plate is fixedly provided with a guide pillar, and the bottom of the outer wall of the guide pillar is provided with a guide sleeve seat.
Adopt above-mentioned technical scheme, the guide pillar in this scheme, the mutually supporting between the guide sleeve seat utilize the guide pillar to the effect of guide sleeve seat, improve the stability of insulation cover bottom, prevent that the bottom of insulation cover from taking place the problem of rocking.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:
1. the utility model provides a semi-heating type hot runner system, which adopts the mutual matching of a hot nozzle, a first heating wire, a first heat conduction copper pipe, a second heating wire and a second heat insulation layer, heats the first heat conduction copper pipe through the action of the first heating wire, thereby heating a plastic melt and keeping the plastic melt in a molten state all the time, thereby avoiding the generation of casting system congelation, and simultaneously heats the second heat conduction copper pipe through the action of the second heating wire, thereby improving the heating effect of the plastic melt, and preserving the heat of the inner wall structure of the hot nozzle by utilizing the action of the first heat insulation layer and the second heat insulation layer, thereby reducing the loss of heat.
2. The utility model provides a semi-heating type hot runner system, which adopts the mutual matching of a hot nozzle, a heat insulation sleeve, a heat insulation plate, a high-elasticity plate, a spring, a guide pillar, a guide sleeve seat and a chassis, and prevents the problem that heat is scattered from a gap due to the overlarge gap when the outer wall of the hot nozzle is inserted into a mould through the action of the heat insulation plate and the heat insulation plate, thereby achieving the effect of insulation and reducing the loss of heat.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a hot nozzle according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention A;
FIG. 4 is a schematic cross-sectional view of the insulating jacket of the present invention;
FIG. 5 is an enlarged schematic view of the present invention B.
In the figure: 1. a material injection port; 2. a splitter plate; 3. a hot nozzle; 31. a taper sleeve; 32. a fixing plate; 33. a metal outer wall; 34. a first heating wire; 35. a first heat insulation layer; 36. a support rod; 37. a first heat conducting copper pipe; 38. a discharge port; 39. a second heat conducting copper pipe; 310. heating a second wire; 311. and a second heat insulation layer. 4. A heat-insulating sleeve; 41. a threaded fixing sleeve; 42. an external metal plate; 43. a heat insulation plate; 44. a thermal insulation board; 45. an inner metal plate; 46. a high elastic sheet; 47. a spring; 48. a guide post; 49. a guide sleeve seat; 410. a chassis.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-5, the utility model provides a semi-heating hot runner system, which comprises a flow distribution plate 2, wherein a filling port 1 is fixedly installed at the top of the flow distribution plate 2, a hot nozzle 3 is fixedly installed at the bottom of the flow distribution plate 2, an insulation sleeve 4 is connected to the outer wall of the hot nozzle 3 through a thread, the hot nozzle 3 comprises a taper sleeve 31, the outer wall of the taper sleeve 31 is inserted into the bottom of the flow distribution plate 2, a fixing plate 32 is fixedly installed at the bottom of the taper sleeve 31, a metal outer wall 33 is fixedly installed at the bottom of the fixing plate 32, a first heat conduction copper pipe 37 is fixedly connected to the inner wall of the taper sleeve 31, a discharge port 38 is formed at the bottom of the first heat conduction copper pipe 37, the insulation sleeve 4 comprises a thread fixing sleeve 41, the inner wall of the thread fixing sleeve 41 is in threaded connection with the outer wall of the metal outer wall 33, and an external metal plate 42 is fixedly connected to the bottom of the thread fixing sleeve 41.
In this embodiment, through pouring into the plastics melt into sprue 1, then under the effect of flow distribution plate 2, with the plastics melt reposition of redundant personnel to hot mouth 3, utilize the effect of hot mouth 3, heat the plastics melt, prevent the plastics melt solidification, then flow out from discharge gate 38, pour into the mould into, under the effect of insulation cover 4, keep warm to the plastics melt that pours into the mould, reduce the loss of heat in the plastics melt.
Example 2
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, a first heating wire 34 is arranged on the outer wall of the first heat conducting copper pipe 37, a support rod 36 is fixedly mounted on the inner wall of the first heat conducting copper pipe 37, a second heat conducting copper pipe 39 is fixedly mounted at one end of the support rod 36, a second heating wire 310 is arranged on the front face of the second heat conducting copper pipe 39, a first thermal insulation layer 35 is arranged on the outer wall of the first heat conducting copper pipe 37, and a second thermal insulation layer 311 is arranged on the inner wall of the second heat conducting copper pipe 39.
In this embodiment, through the effect of heater strip one 34, heat conduction copper pipe one 37, thereby heat the plastics melt, make the plastics melt remain the molten condition all the time, thereby avoid producing the gating system and congeal the material, utilize two 310's of heater strip effects simultaneously, heat conduction copper pipe two 39, thereby improve the heating effect to the plastics melt, utilize one 35 of insulating layer and two 311's effects, keep warm to the inner wall structure of hot mouth 3, reduce thermal loss.
Example 3
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the inner wall of the external metal plate 42 is provided with a heat insulation plate 43, the inner wall of the heat insulation plate 43 is provided with a heat insulation plate 44, the inner wall of the heat insulation plate 44 is provided with an inner metal plate 45, the bottom of the inner metal plate 45 is provided with a high elasticity plate 46, the top of the front surface of the high elasticity plate 46 is fixedly provided with a spring 47, the bottom of the high elasticity plate 46 is fixedly provided with a chassis 410, the top of the inner cavity of the high elasticity plate 46 is fixedly provided with a guide pillar 48, and the bottom of the outer wall of the guide pillar 48 is provided with a guide sleeve seat 49.
In this embodiment, through the effect of heat insulating board 43 and heated board 44, the gap is too big when preventing that the outer wall of hot mouth 3 from pegging graft with the mould, lead to the heat to spill out from the gap, thereby reach isolated effect, reduce thermal loss, utilize high elastic sheet 46 and spring 47's effect, make the bottom of insulation cover 4 have certain removal space, thereby ensure bottom and the mould in close contact with of chassis 410, it is gapped with the position of mould contact to prevent the bottom of insulation cover 4, thereby improve the heat preservation effect of insulation cover 4 better, utilize the effect to guide sleeve seat 49 of guide pillar 48, improve the stability of insulation cover 4 bottom, prevent that the bottom of insulation cover 4 from taking place to rock.
The working principle of the semi-heating hot runner system will be described in detail below.
As shown in fig. 1-5, firstly, injecting a plastic melt into the injection port 1, then shunting the plastic melt into the hot nozzle 3 under the action of the shunting plate 2, heating the first heat conducting copper pipe 37 by the action of the first heating wire 34, thereby heating the plastic melt, so that the plastic melt is always kept in a molten state, thereby avoiding the generation of casting system congelation, simultaneously heating the second heat conducting copper pipe 39 by the action of the second heating wire 310, thereby improving the heating effect of the plastic melt, insulating the inner wall structure of the hot nozzle 3 by the action of the first thermal insulation layer 35 and the second thermal insulation layer 311, reducing the loss of heat, then flowing out from the discharge port 38, injecting into a mold, and using the action of the thermal insulation plate 43 and the thermal insulation plate 44, thereby achieving the effect of insulation, reducing the loss of heat, and using the action of the high elastic plate 46 and the spring 47, the bottom of the insulating sleeve 4 has a certain moving space, so that the bottom of the chassis 410 is ensured to be in close contact with the mold, the insulating effect of the insulating sleeve 4 is better improved, and the stability of the bottom of the insulating sleeve 4 is improved by utilizing the effect of the guide pillar 48 on the guide sleeve seat 49.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.
Claims (6)
1. A semi-heating hot runner system, includes flow distribution plate (2), its characterized in that: the top of the flow distribution plate (2) is fixedly provided with a feeding port (1), the bottom of the flow distribution plate (2) is fixedly provided with a hot nozzle (3), and the outer wall of the hot nozzle (3) is in threaded connection with a heat insulation sleeve (4);
the hot nozzle (3) comprises a taper sleeve (31), the outer wall of the taper sleeve (31) is inserted into the bottom of the flow distribution plate (2), a fixing plate (32) is fixedly mounted at the bottom of the taper sleeve (31), a metal outer wall (33) is fixedly mounted at the bottom of the fixing plate (32), the inner wall of the taper sleeve (31) is fixedly connected with a first heat conduction copper pipe (37), and a discharge hole (38) is formed in the bottom of the first heat conduction copper pipe (37);
the insulating sleeve (4) comprises a thread fixing sleeve (41), the inner wall of the thread fixing sleeve (41) is in threaded connection with the outer wall of the metal outer wall (33), and the bottom of the thread fixing sleeve (41) is fixedly connected with an external metal plate (42).
2. A semi-heated hot-runner system according to claim 1, wherein: the outer wall of the first heat conduction copper pipe (37) is provided with a first heating wire (34), the inner wall of the first heat conduction copper pipe (37) is fixedly provided with a support rod (36), one end of the support rod (36) is fixedly provided with a second heat conduction copper pipe (39), and the front face of the second heat conduction copper pipe (39) is provided with a second heating wire (310).
3. A semi-heated hot-runner system according to claim 2, wherein: the outer wall of the first heat conduction copper pipe (37) is provided with a first heat insulation layer (35), and the inner wall of the second heat conduction copper pipe (39) is provided with a second heat insulation layer (311).
4. A semi-heated hot-runner system according to claim 1, wherein: the heat insulation plate (43) is arranged on the inner wall of the external metal plate (42), the heat insulation plate (44) is arranged on the inner wall of the heat insulation plate (43), and the inner metal plate (45) is arranged on the inner wall of the heat insulation plate (44).
5. The semi-heated hot-runner system of claim 4, wherein: the bottom of interior metal sheet (45) is provided with high elastic plate (46), the positive top fixed mounting of high elastic plate (46) has spring (47), the bottom fixed mounting of high elastic plate (46) has chassis (410).
6. A semi-heated hot-runner system according to claim 5, wherein: the top of the inner cavity of the high-elasticity plate (46) is fixedly provided with a guide post (48), and the bottom of the outer wall of the guide post (48) is provided with a guide sleeve seat (49).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220607143.9U CN217021294U (en) | 2022-03-18 | 2022-03-18 | Semi-heating type hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220607143.9U CN217021294U (en) | 2022-03-18 | 2022-03-18 | Semi-heating type hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217021294U true CN217021294U (en) | 2022-07-22 |
Family
ID=82455078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220607143.9U Active CN217021294U (en) | 2022-03-18 | 2022-03-18 | Semi-heating type hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217021294U (en) |
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2022
- 2022-03-18 CN CN202220607143.9U patent/CN217021294U/en active Active
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