CN214720553U - Nozzle assembly for powder alloy injection molding - Google Patents
Nozzle assembly for powder alloy injection molding Download PDFInfo
- Publication number
- CN214720553U CN214720553U CN202120769991.5U CN202120769991U CN214720553U CN 214720553 U CN214720553 U CN 214720553U CN 202120769991 U CN202120769991 U CN 202120769991U CN 214720553 U CN214720553 U CN 214720553U
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- Prior art keywords
- injection molding
- fixedly connected
- molding pipe
- heating
- annular
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 79
- 239000000843 powder Substances 0.000 title claims abstract description 24
- 239000000956 alloy Substances 0.000 title claims abstract description 18
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 238000003756 stirring Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 6
- 238000007711 solidification Methods 0.000 abstract description 5
- 230000008023 solidification Effects 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a nozzle assembly for powder alloy moulds plastics relates to the nozzle technical field of moulding plastics. The utility model comprises an installation mechanism, a heating mechanism and a lower injection molding pipe; the mounting mechanism is positioned right above the heating mechanism and is fixedly connected with the heating mechanism; the lower injection molding pipe is positioned right below the heating mechanism and is fixedly connected with the heating mechanism; the mounting mechanism comprises an annular mounting plate; wherein, the upper surface of the annular mounting plate is provided with a plurality of mounting holes along the annular direction; the lower surface of the annular mounting plate is fixedly connected with an upper injection molding pipe; the inner diameter of the upper injection molding pipe is the same as that of the annular mounting plate. The utility model discloses a heating ring, heat-conducting plate, heat conduction pole, heat conduction puddler, go up the injection molding pipe and the design of lower injection molding pipe, can realize the heating of the inside raw materials stream liquid of injection molding pipe and lower injection molding pipe, effectively prevent the solidification of raw materials stream liquid, and then guaranteed product quality, work efficiency also obtains increasing substantially.
Description
Technical Field
The utility model belongs to the technical field of the nozzle of moulding plastics, especially, relate to a nozzle assembly for powder alloy moulds plastics.
Background
The metal powder injection molding technology is a novel powder metallurgy technology formed by introducing the modern plastic injection molding technology into the powder metallurgy field, and the basic process flow of the metal powder injection molding technology is as follows: the method comprises the steps of uniformly mixing solid powder and an organic binder, granulating, injecting the mixture into a die cavity by an injection molding machine in a heating and plasticizing state, curing and forming, removing the binder in a formed blank by a chemical or thermal decomposition method, and sintering and densifying to obtain a finished product.
The metal powder injection molding technology is characterized in that structural parts with high density, high precision and three-dimensional complex shapes are rapidly manufactured by sintering by utilizing the characteristic that a mold can be subjected to injection molding, the design concept can be rapidly and accurately materialized into products with certain structural and functional characteristics, and the part products can be directly produced in batches. The metal powder injection molding technology not only has the advantages of less procedures, no cutting, high economic benefit and the like of the conventional powder metallurgy technology, but also overcomes the defects of uneven material, low mechanical property and difficult thin wall forming in the traditional technology, and is particularly suitable for mass production of small, complex and special metal parts.
However, when metal powder is produced by injection molding at present, the situation that the injection nozzle is blocked often occurs in the process that raw materials are poured into a mold through the injection nozzle, and the reason is studied because the nozzle part is not provided with a related heating structure, the temperature of the raw materials is rapidly reduced and solidified when the raw materials flow through the nozzle so as to block the nozzle, so that the product quality is seriously affected, and the working efficiency is greatly reduced, which is a main defect of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a nozzle assembly for powder alloy is moulded plastics, through installation mechanism, fixed subassembly, heating stirring subassembly and the design of lower injection moulding pipe, solved current injection moulding nozzle and at the easy solidification of the in-process inside raw materials of moulding plastics, and then block up the nozzle, seriously influence product quality, work efficiency is also by a wide margin the problem that reduces.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a nozzle component for powder alloy injection molding, which comprises an installation mechanism, a heating mechanism and a lower injection molding pipe; the mounting mechanism is positioned right above the heating mechanism and is fixedly connected with the heating mechanism; the lower injection molding pipe is positioned right below the heating mechanism and is fixedly connected with the heating mechanism.
Further, the mounting mechanism includes an annular mounting plate; the upper surface of the annular mounting plate is provided with a plurality of mounting holes along the annular direction; the lower surface of the annular mounting plate is fixedly connected with an upper injection molding pipe; the inner diameter of the upper injection molding pipe is the same as that of the annular mounting plate.
Further, the heating mechanism consists of a fixing component and a heating and stirring component; wherein, the fixed component comprises a fixed disc; the inner wall of the fixed disc is fixedly connected with a plurality of support rods along the annular direction; an end face of the support rod is fixedly connected with an arc-shaped limiting block.
Furthermore, the outer wall of the fixed disc is provided with a plane opening; the plane port is fixedly provided with a micro motor; one end of the output shaft of the micro motor is fixedly connected with a driving tooth column; the fixed disk is fixedly connected with the upper injection molding pipe, and the inner diameter of the fixed disk is the same as that of the upper injection molding pipe; the fixed disk is fixedly connected with the lower injection molding pipe, and the inner diameter of the fixed disk is the same as that of the lower injection molding pipe.
Further, the heating and stirring assembly comprises a heating ring; wherein, the lower surface of the heating ring is provided with an annular limiting groove; the annular limiting groove is connected with the arc limiting block in a sliding mode.
Furthermore, a tooth-shaped structure is fixedly connected to the lower surface of the heating ring along the annular direction; the tooth-shaped structure is meshed with the driving tooth column.
Further, a heat-conducting plate is fixedly connected to the inner wall of the heating ring; the upper surface and the lower surface of the heat conducting plate are fixedly connected with heat conducting rods; the peripheral side surface of the heat conducting rod is fixedly connected with a plurality of heat conducting stirring rods; the heat-conducting stirring rod positioned above is sleeved inside the upper injection molding pipe, and the heat-conducting stirring rod positioned below is sleeved inside the lower injection molding pipe.
The utility model discloses following beneficial effect has:
1. the utility model discloses a heating ring, heat-conducting plate, heat conduction pole, heat conduction puddler, go up the injection molding pipe and the design of lower injection molding pipe, can realize the heating of the inside raw materials stream liquid of injection molding pipe and lower injection molding pipe, effectively prevent the solidification of raw materials stream liquid, and then guaranteed product quality, work efficiency also obtains increasing substantially.
2. The utility model discloses a bracing piece, arc stopper, annular spacing groove, profile of tooth structure, micro motor, drive tooth post and heat conduction puddler's design, the rotation that utilizes the drive tooth post drives the heating ring and rotates, and then orders about the heat conduction puddler and rotate, realizes simultaneously that injection moulding pipe and injection moulding intraduct raw materials flow liquid's stirring, makes it be in the state of stirring all the time, has further avoided the solidification of raw materials.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a nozzle assembly for injection molding of powder alloys;
FIG. 2 is an exploded view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of the mounting mechanism;
FIG. 4 is a schematic structural view of a heating mechanism;
FIG. 5 is a schematic view of the bottom view of FIG. 4;
FIG. 6 is a bottom view of the structure of FIG. 4;
FIG. 7 is a schematic structural view of a fixing assembly;
FIG. 8 is a top view of the structure of FIG. 7;
FIG. 9 is a schematic structural view of a heating and stirring assembly;
fig. 10 is a bottom view of the structure of fig. 9.
In the drawings, the components represented by the respective reference numerals are listed below:
1-mounting mechanism, 101-annular mounting plate, 102-mounting hole, 103-upper injection molding pipe, 2-heating mechanism, 21-fixing component, 2101-fixing disc, 2102-supporting bar, 2103-arc limiting block, 2104-plane opening, 2105-micro motor, 2106-driving tooth column, 22-heating stirring component, 2201-heating ring, 2202-annular limiting groove, 2203-tooth-shaped structure, 2204-heat conducting plate, 2205-heat conducting rod, 2206-heat conducting stirring rod and 3-lower injection molding pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-10, the present invention relates to a nozzle assembly for powder alloy injection molding, which comprises an installation mechanism 1, a heating mechanism 2 and a lower injection molding pipe 3; the fixed connection of the installation mechanism 1 and the injection molding equipment can realize the fixation of the position of the nozzle assembly;
the mounting mechanism 1 is positioned right above the heating mechanism 2 and is fixedly connected with the heating mechanism 2; through the arrangement of the heating mechanism 2, on one hand, the heating and stirring of the raw material liquid can be realized, and on the other hand, the fixing of the positions of the installation mechanism 1 and the lower injection molding pipe 3 can be realized;
the lower injection molding pipe 3 is positioned under the heating mechanism 2 and is fixedly connected with the heating mechanism 2.
Wherein, the mounting mechanism 1 comprises an annular mounting plate 101; the upper surface of the annular mounting plate 101 is provided with a plurality of mounting holes 102 along the annular direction, and the mounting mechanism 1 can be fixed on injection molding equipment through connecting bolts;
the lower surface of the annular mounting plate 101 is fixedly connected with an upper injection molding pipe 103; the inner diameter of the upper injection molding pipe 103 is the same as that of the annular mounting plate 101; the powder alloy raw material entering the upper injection molding pipe 103 flows into the lower injection molding pipe 3 through the heating mechanism 2, and is ejected to an injection mold along the lower injection molding pipe 3, so that the powder alloy injection molding operation is realized.
Wherein, the heating mechanism 2 consists of a fixed component 21 and a heating and stirring component 22; wherein, the fixing component 21 comprises a fixing disc 2101; the inner wall of the fixed disc 2101 is fixedly connected with a plurality of support rods 2102 along the annular direction; an end face of the support rod 2102 is fixedly connected with an arc-shaped limit block 2103.
Wherein, the outer wall of the fixed disc 2101 is provided with a plane opening 2104; the micro motor 2105 is fixedly mounted at the plane port 2104;
wherein, one end of the output shaft of the micro motor 2105 is fixedly connected with a driving tooth post 2106;
the fixed disc 2101 is fixedly connected with the upper injection molding pipe 103, and the inner diameter of the fixed disc 2101 is the same as that of the upper injection molding pipe 103;
the fixed disc 2101 is fixedly connected with the lower injection molding pipe 3, and the inner diameter of the fixed disc 2101 is the same as that of the lower injection molding pipe 3.
Wherein, the heating and stirring assembly 22 comprises a heating ring 2201, and a heating element is arranged in the heating ring 2201; wherein, the lower surface of the heating ring 2201 is provided with an annular spacing groove 2202; the annular limiting groove 2202 is in sliding connection with the arc-shaped limiting block 2103;
the lower surface of the heating ring 2201 is fixedly connected with a tooth-shaped structure 2203 along the annular direction; the tooth-shaped structure 2203 is meshed with the driving tooth column 2106; in the process of powder alloy raw material injection molding, the micro motor 2105 is started, and the heating ring 2201 can be driven to rotate along the annular limiting groove 2202 by the rotation of the driving tooth column 2106.
Wherein, the inner wall of the heating ring 2201 is fixedly connected with a heat conducting plate 2204; the upper surface and the lower surface of the heat conducting plate 2204 are fixedly connected with heat conducting rods 2205; the peripheral side surface of the heat conducting rod 2205 is fixedly connected with a plurality of heat conducting stirring rods 2206; the heating ring 2201 is used for transferring heat to the heat conducting plate 2204, the heat conducting plate 2204 is transferred to the heat conducting rods 2205, and then the heat is transferred to each heat conducting stirring rod 2206 along the heat conducting rods 2205, and the heating and stirring of the raw materials in the upper injection molding pipe 103 and the lower injection molding pipe 3 are realized by utilizing the regional distribution characteristics of the heat conducting stirring rods 2206, so that the raw material solidification is effectively avoided, and the quality of injection molding products is ensured;
wherein, the upper heat conduction stirring rod 2206 is sleeved inside the upper injection molding pipe 103, and the lower heat conduction stirring rod 2206 is sleeved inside the lower injection molding pipe 3.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A nozzle component for powder alloy injection molding comprises a mounting mechanism (1), a heating mechanism (2) and a lower injection molding pipe (3); the method is characterized in that:
the mounting mechanism (1) is positioned right above the heating mechanism (2) and is fixedly connected with the heating mechanism (2);
the lower injection molding pipe (3) is positioned under the heating mechanism (2) and is fixedly connected with the heating mechanism (2).
2. A nozzle assembly for injection molding of powder alloys according to claim 1, wherein said mounting mechanism (1) comprises an annular mounting plate (101);
wherein, a plurality of mounting holes (102) are arranged on the upper surface of the annular mounting plate (101) along the annular direction;
the lower surface of the annular mounting plate (101) is fixedly connected with an upper injection molding pipe (103); the inner diameter of the upper injection molding pipe (103) is the same as that of the annular mounting plate (101).
3. A nozzle assembly for injection molding of powder alloys according to claim 2, characterized in that the heating means (2) consists of a fixing assembly (21) and a heating and stirring assembly (22);
wherein, the fixed component (21) comprises a fixed disc (2101); the inner wall of the fixed disc (2101) is fixedly connected with a plurality of supporting rods (2102) along the annular direction; one end face of the support rod (2102) is fixedly connected with an arc-shaped limiting block (2103).
4. A nozzle assembly for injection molding of powder alloy as claimed in claim 3, wherein said retainer plate (2101) defines a flat mouth (2104) on its outer wall; the plane opening (2104) is fixedly provided with a micro motor (2105);
wherein, one end of the output shaft of the micro motor (2105) is fixedly connected with a driving tooth column (2106);
the fixed disc (2101) is fixedly connected with the upper injection molding pipe (103), and the inner diameter of the fixed disc (2101) is the same as that of the upper injection molding pipe (103);
the fixed disc (2101) is fixedly connected with the lower injection molding pipe (3), and the inner diameter of the fixed disc (2101) is the same as that of the lower injection molding pipe (3).
5. A nozzle assembly for injection molding of powder alloys according to claim 4, wherein said heating and stirring assembly (22) comprises a heating ring (2201);
wherein, the lower surface of the heating ring (2201) is provided with an annular spacing groove (2202); the annular limiting groove (2202) is in sliding connection with the arc limiting block (2103).
6. A nozzle assembly for powder alloy injection molding according to claim 5, wherein a toothed structure (2203) is fixedly connected to the lower surface of the heating ring (2201) in a circumferential direction; the tooth-shaped structure (2203) is meshed with the driving tooth column (2106).
7. A nozzle assembly for injection molding of powder alloys according to claim 6, characterized in that a heat conducting plate (2204) is fixedly connected to the inner wall of the heating ring (2201); the upper surface and the lower surface of the heat conducting plate (2204) are fixedly connected with heat conducting rods (2205); the peripheral side surface of the heat conducting rod (2205) is fixedly connected with a plurality of heat conducting stirring rods (2206);
the heat conduction stirring rod (2206) positioned above is sleeved inside the upper injection molding pipe (103), and the heat conduction stirring rod (2206) positioned below is sleeved inside the lower injection molding pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120769991.5U CN214720553U (en) | 2021-04-15 | 2021-04-15 | Nozzle assembly for powder alloy injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120769991.5U CN214720553U (en) | 2021-04-15 | 2021-04-15 | Nozzle assembly for powder alloy injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214720553U true CN214720553U (en) | 2021-11-16 |
Family
ID=78603180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120769991.5U Expired - Fee Related CN214720553U (en) | 2021-04-15 | 2021-04-15 | Nozzle assembly for powder alloy injection molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214720553U (en) |
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2021
- 2021-04-15 CN CN202120769991.5U patent/CN214720553U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |