CN211640812U - Nozzle tip for hot runner - Google Patents
Nozzle tip for hot runner Download PDFInfo
- Publication number
- CN211640812U CN211640812U CN201922114727.3U CN201922114727U CN211640812U CN 211640812 U CN211640812 U CN 211640812U CN 201922114727 U CN201922114727 U CN 201922114727U CN 211640812 U CN211640812 U CN 211640812U
- Authority
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- China
- Prior art keywords
- tip
- mouth point
- hot runner
- nozzle tip
- main part
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- 239000003292 glue Substances 0.000 claims abstract description 32
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910001080 W alloy Inorganic materials 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 5
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 31
- 239000000843 powder Substances 0.000 abstract description 18
- 239000000956 alloy Substances 0.000 abstract description 14
- 229910045601 alloy Inorganic materials 0.000 abstract description 13
- 238000007493 shaping process Methods 0.000 abstract description 12
- 230000004927 fusion Effects 0.000 abstract description 11
- 238000002844 melting Methods 0.000 abstract description 7
- 230000008018 melting Effects 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 18
- 239000004033 plastic Substances 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 14
- 239000000654 additive Substances 0.000 description 10
- 230000000996 additive effect Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
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- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
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- 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
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
- C22C1/0458—Alloys based on titanium, zirconium or hafnium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
- B29C2045/2782—Nozzle tips metallurgically bonded to the nozzle body
-
- 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
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Nozzles (AREA)
Abstract
The utility model discloses a mouth point for hot runner, a mouth point for hot runner includes mouth point main part and mouth point portion, be provided with the face of weld that is used for the butt fusion on the top of mouth point main part, mouth point portion with the face of weld butt fusion is fixed, the utility model discloses an earlier put the mouth point main part of copper alloy on vibration material disk equipment work platform to melting alloy powder at the high temperature of mouth point main part on the surface and making it as an organic whole with the butt fusion of mouth point main part, further spread the mouth point structure of powder fusion powder shaping final formation multiple material repeatedly, the mouth point that combines together through this multiple material can make its shaping product more stable in the use, and the runner broken glue is pleasing to the eye, and mouth point life is longer.
Description
Technical Field
The utility model relates to a plastic mould hot runner technical field, in particular to a mouth point for hot runner.
Background
In the processing and manufacturing of plastic products, a forming die is not separated, molten plastic liquid needs to be injected into a cavity of the die before the products are formed and cooled, so that high requirements on heat resistance and corrosion resistance of a tip structure for a hot runner system are met, the conventional tip structure is integrally formed and is obtained in a machining mode as shown in figure 1, namely a material removing mode, the tip material is generally copper alloy with good heat conductivity, but due to high heat conductivity and large expansibility of a copper material, tip parts in the tip structure are abraded and corroded in long-term use, poor product forming is caused, when some strong corrosive materials are produced, only tip parts of other materials with good corrosion resistance can be replaced for use, but due to the fact that the heat conductivity of other materials is not as good as the heat conductivity of the copper material, the products can be formed only by raising the temperature and prolonging the forming period in the forming process, greatly influencing the quality stability of the product.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a tip for hot runner, which aims to solve the problem of unstable quality of the existing tip structure when forming products due to the use of other materials except copper alloy materials.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a nozzle tip for a hot runner comprises a nozzle tip main body and a nozzle tip portion, wherein a welding surface for welding is arranged on the top end of the nozzle tip main body, and the nozzle tip portion is fixed with the welding surface in a welding mode.
Further, the tip for a hot runner described herein, wherein the tip portion comprises one or more metal layers.
Further, the tip for a hot runner is characterized in that the metal layer comprises one or more of tungsten alloy, titanium alloy, alloy steel and heat-resistant steel.
Further, the nozzle tip for the hot runner, wherein the nozzle tip main body and the nozzle tip portion are in a cone shape.
Further, the tip for a hot runner described, wherein the tip body is a copper alloy.
Further, the nozzle tip for the hot runner, wherein the nozzle tip main body comprises at least one glue outlet.
Further, the nozzle tip for the hot runner, wherein a top surface of the nozzle tip portion is a plane.
Further, the nozzle tip for the hot runner is characterized in that a flow channel is arranged in the nozzle tip main body, and the glue outlet is communicated with the flow channel.
Has the advantages that: the utility model provides a pair of a mouth point for hot runner, a mouth point for hot runner includes mouth point main part and mouth point portion, be provided with the face of weld that is used for the butt fusion on the top of mouth point main part, mouth point portion with the face of weld butt fusion is fixed, the utility model discloses an earlier put the mouth point main part of copper alloy on vibration material disk equipment work platform to melting alloy powder makes its and the butt fusion of mouth point main part as an organic whole with high temperature on the surface of mouth point main part, further spread the mouth point structure of powder fusion powder shaping final formation multiple material repeatedly, the mouth point that combines together through this multiple material can make its shaping product more stable in the use, and the runner broken glue is pleasing to the eye, and mouth point life is longer.
Drawings
FIG. 1 is a schematic view of a prior art tip construction;
fig. 2 is a schematic structural view of a nozzle tip for a hot runner according to the present invention;
fig. 3 is a schematic structural view of a tip body in a tip for a hot runner according to the present invention;
fig. 4 is another schematic structural view of a tip for a hot runner according to the present invention;
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
At present, the tip structure for the hot runner system is all the same material machine-shaping (generally copper alloy), because the high heat conduction and the big expansibility of copper material, lead to tip wearing and tearing and corruption when using for a long time, the product shaping is bad appears, can only change other materials that corrosion resistance is good when producing some strong corrosive materials and use, because other material heat conductivities are not as good as copper material, need raise the temperature and prolong the shaping cycle in the forming process and just can make the product shaping, greatly influence the shaping cycle, product quality and delivery phase, so, current structure tip urgently needs a new construction to replace. The utility model provides a tip that multiple material combined together can make its shaping product more stable in the use, and the runner is glued absolutely beautifully, and tip life is longer.
Referring to fig. 2 and 3, fig. 2 is a schematic structural view of a tip for a hot runner according to the present invention; fig. 3 is a schematic structural view of a tip body in a tip for a hot runner according to the present invention; the nozzle tip comprises a nozzle tip main body 10 and a nozzle tip part 20, wherein a welding surface 11 for welding is arranged at the top end of the nozzle tip main body 10, and the nozzle tip part 20 is fixed with the welding surface 11 in a welding mode.
In this embodiment, the bottom and the middle part of the tip main body 10 are cylinders, the diameter of the middle cylinder is smaller than that of the bottom cylinder, the whole body is in a stepped shaft shape, the top end of the tip main body 10 is a cone, and the outer surface of the cone is in a concave arc shape, so that the tip main body is convenient to be matched with a plastic mold during injection molding; the bottom of the nozzle tip main body 10 is provided with a glue inlet 14, the top surface of the cone at the top end is provided with a welding surface 11 for connecting with other metal materials, specifically, by fixing the nozzle tip main body 10 on a working platform of additive manufacturing equipment (additive manufacturing technology: fusing computer aided design, material processing and forming technology, manufacturing solid objects by stacking special metal materials, non-metal materials and medical biological materials layer by layer in a manner of extrusion, sintering, melting, photocuring, spraying and the like through software and a numerical control system based on digital model files), alloy powder is laid on the welding surface 11 of the nozzle tip main body 10, the alloy powder is melted to form an alloy layer through the additive manufacturing technology, the nozzle tip part 20 is constructed by welding the alloy layer by layer, the mechanical performance of the nozzle tip part 20 manufactured by welding of various alloy powder is obviously stronger than that of the nozzle tip part 20 made of copper alloy only, and also make the tip main part 10 and tip 20 more firmly be connected through the mode of butt fusion, therefore tip 20 in the use of tip has better wearability and corrosion resistance, and the life of the integrative tip structure of tip of simultaneously for traditional copper alloy is longer to the plastic product quality that is being moulded through the tip is more stable.
What deserves to mention is that traditional mouth point is because the non-wear-resisting of mouth point portion, and it can lead to the product after moulding plastics to glue mouthful too high to mould plastics again after the wearing and tearing of mouth point portion, influences the outward appearance nature and the yields of plastic product, and the utility model provides a mouth point portion benefits from possessing good wearability and corrosion resistance, can not wear and tear easily for a long time using, and the runner of mouth point is glued absolutely more beautifully.
It should be noted that the welding and soldering processes are not the same, and the soldering is to combine the two through other materials, which is simply a direct combination, and is only a combination of the appearance; the welding is natural connection of melting one of two materials on the other, firstly melting and then cooling, belongs to integral connection, and has better stability compared with the welding process and cannot easily fall off; in addition, in long-term use, the wearing and tearing of the tip of mouth point through integrated into one piece then can only carry out the whole change if appear, in the same tip of mouth point through welded tip portion if appear wearing and tearing need change whole tip of mouth point equally or change welded tip portion, both economic nature is not good, has consequently improved use cost, and the utility model provides a tip of mouth point after using a period if appear the wearing and tearing situation, only need again on the tip of mouth point weld the one deck can, for the whole tip of mouth point of changing or the cost of changing the tip of mouth point portion lower, more press close to actual production demand.
As a further alternative, the mouth tip portion 20 comprises one or more metal layers; the metal layer comprises one or more of tungsten alloy, titanium alloy, alloy steel and heat-resistant steel; in the process of manufacturing the nozzle tip part by an additive manufacturing technology, at least one metal layer is welded on the welding surface, and the metal layer is composed of one or more of tungsten alloy, titanium alloy, alloy steel and heat-resistant steel; for example, when the tip body is fixed on the working platform of the additive manufacturing equipment, when the tip part 20 needs to be welded, a layer of tungsten alloy powder is firstly laid on the welding surface 11 of the tip body, then the tungsten alloy powder is melted by the additive manufacturing technology, after the melted tungsten alloy powder is cooled to form an alloy layer and is welded and fixed with the welding surface, one or more of titanium alloy powder, alloy steel powder and heat-resistant steel powder is sequentially melted by the additive manufacturing technology to form a corresponding alloy layer, and is welded and fixed with the previous alloy layer to finally form the tip part, it is naturally conceivable that when the wear condition of the alloy layer exists in the tip part 20, then an alloy layer is welded on the tip part 20 by the additive manufacturing technology.
As a further scheme, please refer to fig. 1, the tip main body 10 and the tip part 20 are in a cone shape, the tip main body 10 is made of copper alloy, specifically, the tip part 20 is in a trapezoid shape, the lower surface of the tip part is welded with the tip main body 10, and the top surface of the tip part 20 is a plane, such a design can prevent the tip part 20 from damaging a plastic mold cavity when colliding due to too sharp stress concentration, and meanwhile, in order to save materials, only the tip part which is often worn and corroded is manufactured by an additive manufacturing technology, and the tip main body 10 is still made of copper alloy, so that the manufacturing cost is saved, and the processing and production of the tip main body 10 are facilitated; meanwhile, the nozzle tip main body 10 and the nozzle tip part 20 are integrally in a conical shape, the structure of the original nozzle tip part 20 is changed under the condition that the main structure of the nozzle tip is kept to be basically consistent with the original structure, so that the integral shape of the nozzle tip is not changed under the condition that the nozzle tip part 20 can obtain better mechanical performance, the manufacturing and processing of the nozzle tip are facilitated, and a cavity in injection molding is not influenced; it should be noted that the material of the tip main body 10 is selected as the copper alloy, which is considered that the copper alloy has good thermal conductivity, and different materials of the tip main body 10 may be selected according to actual production, and the above materials are only examples, and only the required thermal conductivity requirement is met in actual use, which is not limited by the present invention.
As a further alternative, with continued reference to fig. 1, the tip body 10 includes at least one glue outlet 12; a flow channel 13 is arranged in the nozzle tip main body, and the glue outlet 12 is communicated with the flow channel 13; specifically, a glue inlet 14 is arranged at the bottom of the nozzle tip main body 10, the molten glue after melting flows to a glue outlet 12 through the glue inlet 14, of course, the glue outlet 12 is only one, and may be as shown in fig. 3, and further includes a glue outlet 15 symmetrically arranged with the glue outlet 12, the molten glue flowing from the glue inlet 14 at the bottom enters a shunt shuttle 16, and the molten glue after being shunted by the shunt shuttle 16 flows into two shunt runners at two sides of the nozzle tip main body 10, so that two strands of molten glue are shunted and respectively flow into the glue outlet 12 and the glue outlet 15; the nozzle tip 20 is fixed in contact with the plastic mold, so that the molten glue of the glue outlet 12 and the glue outlet 15 is injected into the mold cavity to complete the molding process.
In the present embodiment, please refer to fig. 4, fig. 4 is another schematic structural diagram of a tip for a hot runner according to the present invention; when the glue outlet 12 is only one, the nozzle tip part 20 is penetrated through the nozzle tip main body 10, it can be considered that the glue inlet 14 and the glue outlet 12 are located on the same axis, the sectional area of the runner 13 in the nozzle tip main body 10 is gradually decreased from the glue inlet 14 to the glue outlet 12, the flow speed of the plastic in the runner 13 is controlled through the change of the sectional area in the runner 13, the plastic flow speed of the plastic flowing out of the glue outlet 12 is further controlled, the phenomenon that the plastic flow is overlarge and blocks a mold cavity is prevented, and the specific selection of the nozzle tip structure can be determined by the actual product needing injection molding.
It should be noted that the present invention is intended to protect the structure of the novel tip manufactured by additive manufacturing techniques, the specific structure of the tip main body and the processing method thereof, and the specific steps during injection molding, and the present invention is not discussed in any way.
To sum up, the utility model provides a pair of a mouth point for hot runner, a mouth point for hot runner includes mouth point main part and mouth point portion, be provided with on the top of mouth point main part and be used for the welded splice surface, mouth point portion with the splice surface butt fusion is fixed, the utility model discloses an earlier put copper alloy's mouth point main part on vibration material disk equipment work platform to melting alloy powder with high temperature on the surface of mouth point main part and making it and mouth point main part butt fusion as an organic whole, further spread the mouth point structure of powder melt powder shaping final formation multiple material repeatedly, the mouth point that combines together through this multiple material can make its shaping product more stable in the use, and the runner is glued absolutely beautifully, and mouth point life is longer.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It should be understood that equivalents and modifications of the technical solution of the present invention and its inventive concept may be made by those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (6)
1. A nozzle tip for a hot runner is characterized by comprising a nozzle tip main body and a nozzle tip part, wherein a welding surface for welding is arranged at the top end of the nozzle tip main body, and the nozzle tip part is fixedly welded with the welding surface; the tip part of the nozzle is in a cone shape, and the top surface of the tip part of the nozzle is a plane; the tip portion includes one or more metal layers.
2. A tip for a hot runner according to claim 1, wherein the metal layer comprises one of a tungsten alloy, a titanium alloy, and an alloy steel.
3. A tip for a hot runner according to claim 1, wherein the tip body is cone-shaped.
4. A tip for a hot runner according to claim 1, wherein the tip body is a copper alloy.
5. A tip for a hot runner according to claim 1, wherein the tip body comprises at least one glue outlet.
6. A tip for a hot runner according to claim 5, wherein a flow channel is provided in the tip body, the glue outlet communicating with the flow channel.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922114727.3U CN211640812U (en) | 2019-11-28 | 2019-11-28 | Nozzle tip for hot runner |
DE202020106070.8U DE202020106070U1 (en) | 2019-11-28 | 2020-10-23 | Nozzle tip for a hot runner |
KR2020200003885U KR20210001273U (en) | 2019-11-28 | 2020-10-28 | Nozzle tip for a hot runner |
JP2020004673U JP3230210U (en) | 2019-11-28 | 2020-10-29 | Tips for hot runners |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922114727.3U CN211640812U (en) | 2019-11-28 | 2019-11-28 | Nozzle tip for hot runner |
Publications (1)
Publication Number | Publication Date |
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CN211640812U true CN211640812U (en) | 2020-10-09 |
Family
ID=72693973
Family Applications (1)
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CN201922114727.3U Active CN211640812U (en) | 2019-11-28 | 2019-11-28 | Nozzle tip for hot runner |
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JP (1) | JP3230210U (en) |
KR (1) | KR20210001273U (en) |
CN (1) | CN211640812U (en) |
DE (1) | DE202020106070U1 (en) |
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CN113968001B (en) * | 2021-10-26 | 2023-09-01 | 重庆精渝田科技股份有限公司 | Soft and hard composite glue piece injection molding device and molding method |
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2019
- 2019-11-28 CN CN201922114727.3U patent/CN211640812U/en active Active
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2020
- 2020-10-23 DE DE202020106070.8U patent/DE202020106070U1/en active Active
- 2020-10-28 KR KR2020200003885U patent/KR20210001273U/en not_active Application Discontinuation
- 2020-10-29 JP JP2020004673U patent/JP3230210U/en active Active
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DE202020106070U1 (en) | 2020-11-05 |
KR20210001273U (en) | 2021-06-08 |
JP3230210U (en) | 2021-01-14 |
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