CN108748891B - Nozzle tip, hot nozzle assembly and hot runner system - Google Patents
Nozzle tip, hot nozzle assembly and hot runner system Download PDFInfo
- Publication number
- CN108748891B CN108748891B CN201810948804.2A CN201810948804A CN108748891B CN 108748891 B CN108748891 B CN 108748891B CN 201810948804 A CN201810948804 A CN 201810948804A CN 108748891 B CN108748891 B CN 108748891B
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- layer
- tip
- nozzle
- nozzle tip
- tip body
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- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 238000005219 brazing Methods 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 17
- 229920003023 plastic Polymers 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/278—Nozzle tips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/278—Nozzle tips
- B29C2045/2785—Nozzle tips with high thermal conductivity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/278—Nozzle tips
- B29C2045/2787—Nozzle tips made of at least 2 different materials
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a nozzle tip, which comprises a nozzle tip body, a first runner forming part of a hot runner, a heat conducting layer sleeved outside the nozzle tip body and a supporting layer sleeved outside the heat conducting layer, wherein the first runner is arranged inside the nozzle tip body, the nozzle tip body is provided with a lower end part corresponding to a gate of the hot runner, the first runner is communicated with the outside at the lower end part, and the heat conducting layer is sleeved outside the nozzle tip body. Compared with the prior art, the invention has the following beneficial effects: through setting up the point into the nested mode of point body, heat conduction layer and supporting layer three-layer, provided the possibility of selecting multiple material for use, through the combination of different materials, combine together heat conduction and wearability, guaranteed the bulk temperature of point, and improved the wearability of the runner department of point, guaranteed the product quality of moulding plastics, widened the shaping scope.
Description
Technical Field
The invention relates to the field of hot runner molds, relates to a nozzle tip, and also relates to a hot nozzle assembly with the nozzle tip and a hot runner system.
Background
At present, the injection mold commonly adopted in the injection molding industry is a hot runner injection mold, compared with a common mold, the quality of a plastic product injected by a hot runner system is higher, and the hot runner system has the advantages of saving raw materials, improving production efficiency, being high in automation degree and the like.
The hot nozzle assembly is an integral part of the hot runner system that has a nozzle tip that corresponds to the gate. The selection of the nozzle tip requires good heat conductivity on one hand, ensures the temperature of the pouring gate, requires good wear resistance on the other hand, and ensures a wide molding range. The existing materials are mutually restricted in two aspects, and only one aspect can be focused according to the material of the injection molding product during the shape selection application.
In the prior art, the tip is usually made of a certain material, such as copper, steel, tungsten steel, etc. When the material of the nozzle tip is copper, the copper has better heat conductivity, so that the gate can be ensured to have a certain temperature, but the copper has poorer wear resistance, and the part of the nozzle tip gate area is easier to wear, so that the gate can be damaged, and the injection molding is influenced; when the tip material is steel or tungsten steel, the wear resistance is good, and the nozzle tip material can be used for injection molding glass fiber-containing materials, but the thermal conductivity is insufficient.
Disclosure of Invention
The invention aims to solve the problem that the nozzle tip cannot achieve both wear resistance and thermal conductivity in the prior art, and further provides a hot nozzle assembly and a hot runner system with the nozzle tip.
To achieve one of the above objects, an embodiment of the present invention provides a tip including a tip body and a first flow path constituting part of a hot flow path, the first flow path being provided inside the tip body, the tip body having a lower end portion corresponding to a gate of the hot flow path, the first flow path being in communication with the outside at the lower end portion, the tip further including a heat conductive layer sleeved outside the tip body, and a support layer sleeved outside the heat conductive layer.
As a further improvement of an embodiment of the present invention, the heat conducting layer includes a first heat receiving portion and a discharge heating portion, and the first heat receiving portion is exposed outward from the support layer and defines a part of the outer surface of the tip.
As a further improvement of an embodiment of the present invention, the tip body includes a discharge portion defining the lower end portion and a feed portion connected above the discharge portion, the feed portion has an outer diameter larger than an outer diameter of the discharge portion, the outer surface of the tip body is stepped at an intersection of the discharge portion and the feed portion, and the first heat receiving portion is clamped between the support layer and the feed portion in an up-down direction and is exposed to a side of the tip.
As a further improvement of an embodiment of the present invention, the supporting layer includes a second heat receiving portion adjacent to the first heat receiving portion and a supporting portion connected below the second heat receiving portion, and the feeding portion, the first heat receiving portion and the second heat receiving portion together form a hollow structure with a cylindrical outer surface.
As a further improvement of an embodiment of the invention, the heat conducting layer is interference fit inwardly to the exterior of the tip body and/or the support layer is interference fit inwardly to the exterior of the heat conducting layer.
As a further improvement of an embodiment of the invention, a first brazing layer fixing part is arranged between the heat conducting layer and the tip body and/or a second brazing layer fixing part is arranged between the supporting layer and the heat conducting layer.
As a further improvement of an embodiment of the present invention, the heat conducting layer is an integrally formed copper-based heat conducting member, and the tip body and the supporting layer are respectively formed as an integrally formed steel structural member or tungsten steel structural member.
In order to achieve one of the above objects, an embodiment of the present invention provides a hot nozzle assembly including a hot nozzle having a second flow passage and a nozzle tip connected to the hot nozzle so that the first flow passage communicates with the second flow passage.
As a further improvement of an embodiment of the present invention, the hot nozzle assembly further includes a heater in contact with part or all of the tip body, the heat conducting layer, and the supporting layer; the hot nozzle comprises a main body part and a matching part formed at the lower end of the main body part, wherein the upper end part of the nozzle tip body is sleeved outside the matching part in an interference manner, and the outer diameters of the nozzle tip body and the matching part are equal to each other and are butted below the main body part.
To achieve one of the above objects, an embodiment of the present invention provides a hot runner system including the nozzle tip.
Compared with the prior art, the invention has the following beneficial effects: through setting up the point into the nested structure of point body, heat conduction layer and supporting layer three-layer, for the point provides the possibility of selecting multiple material of use, through the combination of different materials, combines together heat conduction and wearability, guaranteed the bulk temperature of point, and improved the wearability of the runner department of point, guaranteed the injection molding product quality, widened the shaping scope.
Drawings
FIG. 1 is a schematic view of a longitudinal section of a thermal nozzle assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of a longitudinal cross-sectional structure of a tip according to an embodiment of the present invention;
wherein, 1, the tip of the mouth; 11. a mouth tip body; 111. a feed section; 112. a discharging part; 12. a heat conducting layer; 121. a first heat receiving unit; 122. a discharge heating part; 13. a support layer; 131. a second heat receiving unit; 132. a support part; 133. a groove; 14. a first brazing layer fixing portion; 15. a second brazing layer fixing portion; 2. a hot nozzle; 21. a main body portion; 22. a mating portion; 3. a sprue bush; 4. a heater; 5. a workpiece; a0, a hot nozzle assembly; r0, flow channel; r1, a first runner; r2, a second runner; s1, pouring gate.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.
Referring to fig. 1 and 2, a preferred embodiment of a hot nozzle assembly A0 of the present invention is shown, and an embodiment of the present invention provides a hot runner system, where the hot runner system includes a splitter plate, a hot nozzle assembly A0 assembled on the splitter plate, a temperature control box, and a hot runner formed at least in the splitter plate and the hot nozzle assembly A0, and plastic in a molten state is poured into a cavity of a mold after passing through the splitter plate and the hot nozzle assembly A0 in sequence by means of heating and controlling temperature of a glue injection material, so as to avoid forming a solidifying material of a pouring system.
The hot runner system has a gate S1 formed near the end of the hot nozzle assembly A0, in this embodiment, the hot runner system includes a sprue bush 3, the gate S1 is surrounded by the sprue bush 3 and the mold, and of course, in other possible embodiments, the hot runner system may also cancel the sprue bush 3, and a space is formed on the mold, and the hot nozzle assembly A0 extends into the space to surround the gate S1 with the mold.
In this embodiment, the hot nozzle assembly A0 has a central axis, and for clarity of description of the position and direction in the present application, reference is generally made to the upstream and downstream of the hot runner in the hot nozzle assembly A0, and the direction from the upstream of the hot runner to the downstream along the central axis is defined as "down", and vice versa.
In the present embodiment, the hot nozzle assembly A0 includes a hot nozzle 2, a nozzle tip 1, and a heater 4.
The hot nozzle 2 includes a main body portion 21 and a coupling portion 22 formed at a lower end of the main body portion 21; the mouth tip 1 is positioned at the lower end part of the hot nozzle 2, the upper end part of the mouth tip is sleeved outside the matching part 22, and the outer diameter of the mouth tip is equal to the outer diameter of the mouth tip and is butted under the main body part 21; the heater 4 is located the side of hot mouth 2 and point 1, and the inner wall of heater 4 is laminated with the surface of hot mouth 2 and point 1.
The hot nozzle assembly A0 is internally provided with a runner R0 penetrating through the hot nozzle 2 and the nozzle tip 1 and forming part of a hot runner, the runner R0 comprises a first runner R1 and a second runner R2, the first runner R1 penetrates through the inside of the nozzle tip body 11, the second runner R2 penetrates through the inside of the hot nozzle 2, when the nozzle tip 1 is connected with the hot nozzle 2, the first runner R1 is communicated with the second runner R2 to form the runner R0, and molten plastic in the hot nozzle 2 is injected into a cavity of the die after passing through the nozzle tip 1 along the runner R0.
The tip 1 is provided with a three-layer nested structure of a tip body 11, a heat conducting layer 12 and a supporting layer 13, as shown in fig. 1 and 2;
The upper end of the tip body 11 constitutes the upper end of the tip 1; the lower end part of the nozzle tip body 11 forms the lower end part of the nozzle tip 1, the lower end part of the nozzle tip body 11 corresponds to the gate S1 of the hot runner, and the first runner R1 is communicated with the outside at the lower end part; the heat conduction layer 12 is sleeved outside the tip body 11; the supporting layer 13 is further sleeved outside the heat conducting layer 12. Like this, through setting up the point 1 into the nested structure of point body 11, heat conduction layer 12 and supporting layer 13 three-layer, for point 1 provides the possibility of selecting multiple material, through the combination of different materials, combines together heat conduction and wearability, guaranteed the whole temperature of point 1, and improved the wearability of the runner S1 department of point 1, guaranteed the injection molding product quality, the extension of the shaping scope.
For example, the heat conducting layer 12 is set to be an integrally formed copper-based heat conducting piece, the nozzle tip body 11 and the supporting layer 13 are respectively set to be an integrally formed steel structural piece or tungsten steel structural piece, due to better copper heat conductivity, a certain temperature of the pouring gate S1 is ensured through the heat conducting layer 12, meanwhile, due to better wear resistance of steel or tungsten steel, the nozzle tip body 11 corresponding to the pouring gate S1 enables the region of the pouring gate S1 to be difficult to wear, the structure of the nozzle tip 1 is stabilized through the supporting layer 13, and the three-layer nested structure similar to a sandwich structure enables the nozzle tip 1 to have the advantages of good wear resistance and heat conduction.
Further, the heat conductive layer 12 includes a first heat receiving portion 121 and a discharge heating portion 122, and the first heat receiving portion 121 is exposed from the inside of the support layer 13 to the outside and defines a part of the outer surface of the tip 1. The exposed outer surface of the first heated part 121 contacts with the heater 4, and after being heated by the heater 4, the heat is transferred to the discharge heating part 122, and the discharge heating part 122 transfers the heat to the tip body 11, so that the tip body 11 is kept at a certain temperature.
The supporting layer 13 includes a second heat receiving portion 131 adjacent to the first heat receiving portion 121 and a supporting portion 132 connected below the second heat receiving portion 131, where the second heat receiving portion 131 of the supporting layer 13 is used to raise the temperature of the tip 1, avoid the dissipation of the temperature of the heat conducting layer 12, and the supporting portion 132 is used to support the cooperation of the tip 1 with other components (such as the sprue bush 3).
The tip body 11 further includes a discharging portion 112 defining a lower end portion of the tip body 11, and a feeding portion 111 connected above the discharging portion 112, the feeding portion 111 defines an upper end portion of the tip body 11, the first heat receiving portion 121 is clamped between the feeding portion 111 of the tip body 11 and the supporting portion 132 of the supporting layer 13 in an upper and lower direction and is exposed to a side of the tip 1, and the heater 4 is sequentially attached to the outer surfaces of the feeding portion 111 of the tip body 11, the heat conducting layer 12 and the supporting layer 13 from top to bottom.
In this embodiment, the outer diameter of the feeding portion 111 is larger than the outer diameter of the discharging portion 112, and the outer surface of the tip body 11 is stepped at the intersection of the discharging portion 112 and the feeding portion 111. The heat conducting layer 12 is sleeved on the discharging part 112, and the upper surface of the first heated part 121 is propped against the lower surface of the feeding part 111; the supporting layer 13 is sleeved on the discharging heating portion 122, and the upper surface of the second heat receiving portion 131 abuts against the lower surface of the first heat receiving portion 121. The feeding portion 111, the first heat receiving portion 121 and the second heat receiving portion 131 together form a hollow structure with a cylindrical outer surface, and the heater 4 is also provided with a hollow structure with a cylindrical inner surface and is sleeved on the outer surfaces of the feeding portion 111, the first heat receiving portion 121 and the second heat receiving portion 131. The arrangement makes the production and processing process of the heater 4 simple, can be assembled and combined with the three-layer structure without manufacturing complex appearance, and makes the appearance attractive on the other hand, and the assembly relation among the three is simple.
In addition, if the tip body 11, the heat conductive layer 12 and the support layer 13 are provided in other structures, the interior of the heater 4 is adjusted according to the structures of the three, and after the assembly requirements are satisfied, the heater 4 is brought into contact with the three, respectively, so that the object of the present invention can be achieved.
In this embodiment, the heat conducting layer 12 and the tip body 11, and the supporting layer 13 and the heat conducting layer 12 are all in interference fit, so that after the assembly of the tip body 11, the heat conducting layer 12 and the supporting layer 13 is completed, sliding falling is not easy to occur, the possibility of failure of relative rotation between the three is avoided, the thermal expansion coefficients of the three are different when heated, the problem of sliding after heating is avoided, and the connection relationship is more compact. Of course, in other possible embodiments, only an interference fit between the heat conducting layer 12 and the body of the hot nozzle 2, or only an interference fit between the supporting layer 13 and the heat conducting layer 12 may be provided.
Further, a first brazing layer fixing part 14 is arranged between the heat conducting layer 12 and the tip body 11, and/or a second brazing layer fixing part 15 is arranged between the supporting layer 13 and the heat conducting layer 12, so that the tip 1 after interference fit is reinforced, the connection between the two parts is tighter, and the possibility of failure is avoided.
Further, the sprue bush 3 is sleeved outside the nozzle tip 1, and the sprue bush 3 abuts against the supporting portion 132 of the supporting layer 13.
Compared with the prior art, the invention has the following beneficial effects:
(1) By changing the structure of the end part of the tip 1, using a three-layer nesting mode of the tip body 11, the heat conducting layer 12 and the supporting layer 13, utilizing the wear-resistant characteristic of the tip body 11 to enable the tip body 11 to correspond to the position of the gate S1, simultaneously heating the three-layer structure through the heater 4, enabling the heat conducting layer 12 to transfer heat to the tail end of the tip body 11, and enabling the supporting layer 13 to simultaneously play the functions of supporting and resisting wear and preserving heat for the heat conducting layer 12;
(2) By combining copper and steel alloy, on one hand, the high heat conductivity of copper material is utilized, and the overall temperature of the tip 1 is ensured; on the other hand, the wear resistance of the steel material is utilized, the wear resistance of the gate S1 end of the nozzle tip 1 and the wear resistance between the nozzle tip 1 and the gate sleeve 3 are improved, the quality of injection molding products is ensured, and the molding range is widened.
The above detailed description is merely illustrative of possible embodiments of the present invention, which should not be construed as limiting the scope of the invention, and all equivalent embodiments or modifications that do not depart from the spirit of the invention are intended to be included in the scope of the invention.
Claims (7)
1. The nozzle tip comprises a nozzle tip body and a first runner forming part of a hot runner, wherein the first runner is arranged inside the nozzle tip body, the nozzle tip body is provided with a lower end part corresponding to a pouring gate of the hot runner, and the first runner is communicated with the outside at the lower end part, and the nozzle tip is characterized by further comprising a heat conducting layer sleeved outside the nozzle tip body and a supporting layer sleeved outside the heat conducting layer, wherein the heat conducting layer is arranged as an integrally formed copper-based heat conducting piece, and the nozzle tip body and the supporting layer are respectively arranged as integrally formed steel structural pieces or tungsten steel structural pieces;
The heat conduction layer comprises a first heated part and a discharging heating part, the supporting layer is sleeved on the discharging heating part, the first heated part is outwards exposed from the supporting layer and defines part of the outer surface of the nozzle tip, the exposed outer surface of the first heated part is used for being in contact with a heater, the nozzle tip body comprises a discharging part defining the lower end part and a feeding part connected above the discharging part, and the first heated part is clamped between the feeding part and the supporting layer in the vertical direction and is exposed at the side of the nozzle tip;
The supporting layer comprises a second heated part adjacent to the first heated part and a supporting part connected below the second heated part, the outer surface of the second heated part is used for being in contact with the heater, and the feeding part, the first heated part and the second heated part jointly form a hollow structure with a cylindrical outer surface;
The heater is arranged to be of a hollow structure with a cylindrical inner surface, and is sleeved on the outer surfaces of the feeding part, the first heated part and the second heated part.
2. The tip according to claim 1, wherein the outer diameter of the feed portion is greater than the outer diameter of the discharge portion, and the outer surface of the tip body is stepped at the intersection of the discharge portion and the feed portion.
3. The tip according to claim 1, wherein the thermally conductive layer is an inward interference fit to the exterior of the tip body and/or the support layer is an inward interference fit to the exterior of the thermally conductive layer.
4. The tip according to claim 1, wherein a first brazing layer fixing part is provided between the heat conducting layer and the tip body and/or a second brazing layer fixing part is provided between the supporting layer and the heat conducting layer.
5. A thermal nozzle assembly comprising a thermal nozzle having a second flow passage and the tip of any one of claims 1-4, the tip being connected to the thermal nozzle such that the first flow passage is in communication with the second flow passage.
6. The thermal nozzle assembly of claim 5 further comprising a heater in contact with some or all of said tip body, said thermally conductive layer and said support layer, said thermal nozzle comprising a main body portion and a mating portion formed at a lower end of said main body portion, an upper end of said tip body being nested outside said mating portion and having an outer diameter that is equally butted under said main body portion.
7. A hot runner system, characterized in that it comprises the tip of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948804.2A CN108748891B (en) | 2018-08-20 | 2018-08-20 | Nozzle tip, hot nozzle assembly and hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948804.2A CN108748891B (en) | 2018-08-20 | 2018-08-20 | Nozzle tip, hot nozzle assembly and hot runner system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108748891A CN108748891A (en) | 2018-11-06 |
| CN108748891B true CN108748891B (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810948804.2A Active CN108748891B (en) | 2018-08-20 | 2018-08-20 | Nozzle tip, hot nozzle assembly and hot runner system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108748891B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366895A (en) * | 2018-11-19 | 2019-02-22 | 柳道万和(苏州)热流道系统有限公司 | Hot mouth component and hot runner system |
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| CN208730252U (en) * | 2018-08-20 | 2019-04-12 | 柳道万和(苏州)热流道系统有限公司 | Sharp-tongued, hot mouth component and hot runner system |
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| CN2931069Y (en) * | 2006-02-27 | 2007-08-08 | 先锐模具配件(东莞)有限公司 | Inner nozzle-tip structure of heat flow passage die |
| CN101941270A (en) * | 2008-08-21 | 2011-01-12 | 马斯特模具（2007）有限公司 | Injection molding apparatus having a nozzle tip component for taking a nozzle out of service |
| CN203543003U (en) * | 2013-09-26 | 2014-04-16 | 优利浦注塑科技（昆山）有限公司 | Hot nozzle at hot runner |
| CN204471750U (en) * | 2015-01-26 | 2015-07-15 | 深圳市金三维模具有限公司 | A kind of hot mouth of cusp formula for high luminescent material injection moulding |
| CN205915602U (en) * | 2016-08-02 | 2017-02-01 | 东莞市贝斯特热流道科技有限公司 | Hot nozzle of copper clad steel combination formula bimetal |
| CN206254433U (en) * | 2016-11-28 | 2017-06-16 | 东莞市金特玛热流道科技有限公司 | A kind of new single site needle valve structure |
| CN206796420U (en) * | 2017-03-04 | 2017-12-26 | 昆山准达热流道有限公司 | One kind is incubated wear-resisting Jiao Kou departments |
| CN207448980U (en) * | 2017-08-24 | 2018-06-05 | 东莞市瀚茂热流道科技有限公司 | Hot mouth structure with copper clad steel mouth core |
| CN207481116U (en) * | 2017-10-19 | 2018-06-12 | 珠海格力精密模具有限公司 | Needle-valve nozzle core, hot runner system and hot pouring mold |
| CN208730252U (en) * | 2018-08-20 | 2019-04-12 | 柳道万和(苏州)热流道系统有限公司 | Sharp-tongued, hot mouth component and hot runner system |
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