CN217393754U - Metal powder injection molding equipment - Google Patents
Metal powder injection molding equipment Download PDFInfo
- Publication number
- CN217393754U CN217393754U CN202221112698.2U CN202221112698U CN217393754U CN 217393754 U CN217393754 U CN 217393754U CN 202221112698 U CN202221112698 U CN 202221112698U CN 217393754 U CN217393754 U CN 217393754U
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- Prior art keywords
- injection molding
- metal powder
- stirring
- screw rod
- powder injection
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 62
- 239000000843 powder Substances 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 title claims abstract description 45
- 238000003756 stirring Methods 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 229920003023 plastic Polymers 0.000 claims description 21
- 239000004033 plastic Substances 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000000750 progressive effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 11
- 239000007921 spray Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of metal powder injection molding, and discloses metal powder injection molding equipment, which comprises a frame and a feeding mechanism, wherein the feeding mechanism is arranged on the frame and comprises a feeding hopper and a mixing drum, and a stirring assembly is arranged in the mixing drum; the stirring assembly comprises a first driving motor arranged on the mixing drum and a stirring rod arranged in the mixing drum, wherein a stirring coil is arranged on the stirring rod, and an antistatic layer is arranged on the stirring coil; the cylinder shell is installed on the fixing seat, the second driving motor is installed on the rack, the material conveying screw rod is installed in the cylinder shell, and the material conveying screw rod is connected with an output shaft of the second driving motor. The utility model discloses a metal powder mixture of stirring subassembly in to feeding mechanism stirs, has improved the degree of consistency that the metal powder mixes, through improving defeated material screw rod for defeated material speed.
Description
Technical Field
The utility model relates to a metal powder technical field that moulds plastics specifically is a metal powder injection moulding equipment.
Background
The development of metal powder injection molding has been very compelling, and the use of injection molding in the clay and plastic industries has been in history for many years, only recently has the metallurgical industry come to be a strict powder, and although the market for metal powder injection molded products is still very limited, there is a huge potential market. The injection molding process includes setting mixed granular material or powder inside the material barrel of injection molding machine, applying pressure to the plasticized metal powder with the aid of plunger or screw, injecting high temperature fluid into low temperature mold cavity via nozzle runner system, cooling to set, opening the mold and ejecting out product to obtain product in certain geometric shape and precision.
However, in the process of transporting the material to the injection molding, the metal powder is easily subjected to thermal shrinkage and condensation, so that the injection molding is not uniform or hardened, and the injection molding quality is further affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a metal powder injection moulding equipment possesses the improvement metal powder and mixes the degree of consistency, improves the beneficial effect of defeated material pressure and unloading speed, has solved the in-process of mentioning among the above-mentioned background art nevertheless at defeated material to moulding plastics, and the metal powder produces the condition of pyrocondensation, condensation easily, has inhomogeneous or the condition of sclerosis when causing moulding plastics, and then influences the problem of the quality of moulding plastics.
The utility model provides a following technical scheme: a metal powder injection molding device comprises a rack and a feeding mechanism, wherein the feeding mechanism is arranged on the rack and comprises a feeding hopper and a mixing barrel, and a stirring assembly is arranged in the mixing barrel;
the stirring assembly comprises a first driving motor arranged on the mixing drum and a stirring rod arranged in the mixing drum, wherein a stirring coil is arranged on the stirring rod, and an antistatic layer is arranged on the stirring coil;
the frame is provided with a fixed seat, the fixed seat is provided with a cylindrical shell, the frame is provided with a second driving motor, the cylindrical shell is internally provided with a material conveying screw rod, and the material conveying screw rod is connected with an output shaft of the second driving motor.
As an alternative of the metal powder injection molding apparatus of the present invention, wherein: the coil ring of the stirring coil is arranged in a progressive increasing mode from top to bottom.
As an alternative of the metal powder injection molding apparatus of the present invention, wherein: the injection molding device is characterized in that an injection molding spray head is installed on the cylindrical shell, a check valve is installed in the cylindrical shell, and the check valve is installed on one side of the injection molding spray head.
As an alternative of the metal powder injection molding apparatus of the present invention, wherein: and an injection molding liquid cavity is arranged on the injection molding nozzle and is conical.
As an alternative of the metal powder injection molding apparatus of the present invention, wherein: the heating plate is installed on the cylinder shell, and the number of the heating plates is two.
As an alternative of the metal powder injection molding apparatus of the present invention, wherein: defeated material screw rod includes pivot and screw rod piece, the screw rod piece is installed on the pivot outer wall, the screw rod piece is provided with a plurality of, the pitch between the screw rod piece is the equidistance setting, the radius of pivot presents into the increase setting.
As an alternative of the metal powder injection molding apparatus of the present invention, wherein: the injection molding spray head is internally provided with a nozzle, a sliding groove and a compression spring are formed in the nozzle, the compression spring is installed in the sliding groove, one end of the compression spring is provided with a first guide plate, and the other end of the compression spring is provided with a second guide plate.
As an alternative of the metal powder injection molding apparatus of the present invention, wherein: all install the sliding block on first guide plate and the second guide plate, sliding block slidable mounting is in the inside of spout.
The utility model discloses possess following beneficial effect:
1. this a metal powder injection moulding equipment, before moulding plastics, stir the metal powder mixture in the feeding mechanism through stirring subassembly, and then make metal powder and mixture intensive mixing, it is too big to reduce the inhomogeneous part of concentration, it is inhomogeneous and produce the condition that condenses to be heated, and stirring coil's coil loop is the increase setting that advances from top to bottom, and then improves the scope of stirring, and the stirring coil loop of lower floor is when the stirring, accelerates the metal powder velocity of flow of mixing cylinder lower floor, improves the speed of unloading.
2. This metal powder injection moulding equipment improves through defeated material screw rod, and the pivot is by shallow deepening to the end by the initial position, is radius presentment promptly and advances the increase setting, and then forms the compression ratio, improves the compressive force, and then at the defeated in-process of the defeated material of moulding plastics for defeated material speed has been accelerated, has improved the production efficiency of moulding plastics.
3. This metal powder injection moulding equipment improves through the nozzle to in the shower nozzle of moulding plastics, at the in-process of moulding plastics, first guide plate and second guide plate play the effect of water conservancy diversion, the equal slidable mounting of first guide plate and second guide plate is in the inside of nozzle, and is connected through compression spring, when the fluid of moulding plastics stops, compression spring's inertia for the fluid flows back to the liquid chamber of moulding plastics, reduces the condition of flash, has improved the injection moulding quality.
Drawings
Fig. 1 is a schematic perspective view of the structure of the present invention.
Fig. 2 is a schematic view of the cross-sectional structure of the present invention.
Fig. 3 is an enlarged schematic view of a structure in fig. 2 according to the present invention.
Fig. 4 is a schematic perspective view of the feeding screw of the present invention.
In the figure: 1. a frame; 2. a feeding mechanism; 3. a hopper; 4. a mixing drum; 5. a fixed seat; 6. a cylindrical shell; 7. a second drive motor; 8. a material conveying screw rod; 9. a first drive motor; 10. a stirring rod; 11. stirring the coil; 12. an antistatic layer; 13. a check valve; 14. injection molding a spray head; 15. injecting a liquid cavity; 16. heating plates; 17. a rotating shaft; 18. a screw piece; 19. a nozzle; 20. a chute; 21. a compression spring; 22. a first baffle; 23. a second baffle; 24. and a slider.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
However, in the process of transporting the material to the injection molding, the metal powder is easily subjected to thermal shrinkage and condensation, so that the injection molding is not uniform or hardened, and the injection molding quality is further affected.
The utility model provides a following technical scheme: a metal powder injection molding device, please refer to fig. 1-4, includes a frame 1 and a feeding mechanism 2, the feeding mechanism 2 is installed on the frame 1, the feeding mechanism 2 includes a feeding hopper 3 and a mixing drum 4, a stirring component is arranged in the mixing drum 4;
the stirring assembly comprises a first driving motor 9 arranged on the mixing drum 4 and a stirring rod 10 arranged inside the mixing drum 4, wherein a stirring coil 11 is arranged on the stirring rod 10, and an antistatic layer 12 is arranged on the stirring coil 11;
the coil loops of the stirring coil 11 are arranged in an increasing manner from top to bottom.
The antistatic layer 12 improves the antistatic effect;
a first driving motor 9 in the stirring assembly drives a stirring rod 10 to rotate, and further drives a stirring coil 11 on the stirring rod 10 to rotate, so that metal powder and a mixture in the mixing cylinder 4 are stirred and mixed, and the effect of improving uniformity is achieved;
before moulding plastics, stir the metal powder mixture in feeding mechanism 2 through stirring the subassembly, and then make metal powder and mixture intensive mixing, it is too big to reduce the inhomogeneous part of concentration, it is inhomogeneous and produce the condition that condenses to be heated, and the coil ring of stirring coil 11 is the increase setting that from top to bottom carries on one's turn to one's turn, and then improves the scope of stirring, and the stirring coil ring of lower floor is when the stirring, accelerates the metal powder velocity of flow of mixing cylinder 4 lower floor, improves the speed of unloading.
Example 2
This embodiment is an improved description made on the basis of embodiment 1, and specifically, refer to fig. 1 to 4, in which: a fixed seat 5 is installed on the rack 1, a cylindrical shell 6 is installed on the fixed seat 5, a second driving motor 7 is installed on the rack 1, a material conveying screw 8 is installed in the cylindrical shell 6, and the material conveying screw 8 is connected with an output shaft of the second driving motor 7;
an injection molding spray head 14 is arranged on the cylindrical shell 6, a check valve 13 is arranged in the cylindrical shell 6, and the check valve 13 is arranged on one side of the injection molding spray head 14.
The check valve 13 is used for preventing water and metal mixture media and reducing backflow.
The second driving motor 7 drives the material conveying screw 8 to rotate, so that the thread pieces on the material conveying screw 8 drive the material to be conveyed, and then the injection molding is carried out through the injection molding nozzle 14.
Example 3
This embodiment is an improved description made on the basis of embodiment 1, and specifically, refer to fig. 1 to 4, in which: an injection molding liquid cavity 15 is arranged on the injection molding spray head 14, and the injection molding liquid cavity 15 is conical.
The injection molding liquid cavity 15 is conical, so that metal powder is compressed for injection molding, the blanking capacity is enhanced, the flow length and the wall thickness of an injection molding part can be increased, and the injection molding pressure is improved.
Example 4
This embodiment is an improved description made on the basis of embodiment 1, and specifically, refer to fig. 1 to 4, in which: the cylinder shell 6 is provided with two heating plates 16.
Heating is carried out through two hot plates 16, and the first hot plate preheats, and the second hot plate heaies up to a certain extent for the fluid temperature of moulding plastics is more even.
Example 5
This embodiment is an improved description made on the basis of embodiment 1, and specifically, refer to fig. 1 to 4, in which: the material conveying screw 8 comprises a rotating shaft 17 and screw pieces 18, the screw pieces 18 are installed on the outer wall of the rotating shaft 17, the screw pieces 18 are arranged in a plurality, the screw pitches among the screw pieces 18 are arranged in an equidistant mode, and the radius of the rotating shaft 17 is increased.
Through improving defeated material screw rod 8, pivot 17 presents into increase setting by shallow deepening from the starting point to the end, namely the radius, and then forms the compression ratio, improves the compressive force, and then at the defeated in-process of the defeated material of moulding plastics, has accelerated defeated material speed, has improved the production efficiency of moulding plastics.
Example 6
This embodiment is an improved description made on the basis of embodiment 1, and specifically, refer to fig. 1 to 4, in which: a nozzle 19 is arranged in the injection molding nozzle 14, a sliding groove 20 and a compression spring 21 are arranged in the nozzle 19, the compression spring 21 is arranged in the sliding groove 20, a first guide plate 22 is arranged at one end of the compression spring 21, and a second guide plate 23 is arranged at the other end of the compression spring 21.
Wherein: sliding blocks 24 are mounted on the first guide plate 22 and the second guide plate 23, and the sliding blocks 24 are mounted inside the sliding grooves 20 in a sliding mode.
Through improving the nozzle 19 in the shower nozzle 14 of moulding plastics, at the in-process of moulding plastics, first guide plate 22 and second guide plate 23 play the effect of water conservancy diversion, and first guide plate 22 and second guide plate 23 are all slidable mounting in the inside of nozzle 19, and connect through compression spring 21, and when the fluid of moulding plastics stops, compression spring 21's inertia for the fluid backward flow is to the liquid chamber 15 of moulding plastics, reduces the condition of flash, has improved the injection moulding quality.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a metal powder injection moulding equipment, includes frame (1) and feeding mechanism (2), its characterized in that: the feeding mechanism (2) is installed on the rack (1), the feeding mechanism (2) comprises a feeding hopper (3) and a mixing drum (4), and a stirring assembly is arranged in the mixing drum (4);
the stirring assembly comprises a first driving motor (9) installed on the mixing drum (4) and a stirring rod (10) installed inside the mixing drum (4), a stirring coil (11) is installed on the stirring rod (10), and an antistatic layer (12) is installed on the stirring coil (11);
install fixing base (5) on frame (1), install cylinder casing (6) on fixing base (5), install second driving motor (7) on frame (1), install defeated material screw rod (8) in cylinder casing (6), the output shaft of defeated material screw rod (8) and second driving motor (7) is connected.
2. A metal powder injection molding apparatus as claimed in claim 1, wherein: the coil ring of the stirring coil (11) is arranged in a progressive increasing manner from top to bottom.
3. A metal powder injection molding apparatus as claimed in claim 1, wherein: install injection molding nozzle (14) on cylinder casing (6), install check valve (13) in cylinder casing (6), one side at injection molding nozzle (14) is installed in check valve (13).
4. A metal powder injection molding apparatus as claimed in claim 3, wherein: and an injection molding liquid cavity (15) is arranged on the injection molding nozzle (14), and the injection molding liquid cavity (15) is conical.
5. A metal powder injection molding apparatus as claimed in claim 1, wherein: the heating plate (16) is installed on the cylinder shell (6), and two heating plates (16) are arranged.
6. A metal powder injection molding apparatus as claimed in claim 1, wherein: defeated material screw rod (8) are including pivot (17) and screw rod piece (18), install on pivot (17) outer wall screw rod piece (18), screw rod piece (18) are provided with a plurality of, pitch between screw rod piece (18) is the equidistance setting, the radius of pivot (17) presents into the increase setting.
7. A metal powder injection molding apparatus as claimed in claim 3, wherein: be equipped with nozzle (19) in shower nozzle (14) of moulding plastics, spout (20) and compression spring (21) have been seted up in nozzle (19), the inside at spout (20) is installed in compression spring (21), first guide plate (22) are installed to the one end of compression spring (21), second guide plate (23) are installed to the other end of compression spring (21).
8. A metal powder injection molding apparatus as claimed in claim 7, wherein: all install sliding block (24) on first guide plate (22) and second guide plate (23), sliding block (24) slidable mounting is in the inside of spout (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221112698.2U CN217393754U (en) | 2022-05-10 | 2022-05-10 | Metal powder injection molding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221112698.2U CN217393754U (en) | 2022-05-10 | 2022-05-10 | Metal powder injection molding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217393754U true CN217393754U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221112698.2U Active CN217393754U (en) | 2022-05-10 | 2022-05-10 | Metal powder injection molding equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN217393754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116079050A (en) * | 2022-11-25 | 2023-05-09 | 广州市迅兴精密工业有限公司 | Metal powder injection molding equipment |
| CN118513554A (en) * | 2024-05-27 | 2024-08-20 | 湖南昊宏新材料科技有限公司 | Metal powder injection molding device |
-
2022
- 2022-05-10 CN CN202221112698.2U patent/CN217393754U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116079050A (en) * | 2022-11-25 | 2023-05-09 | 广州市迅兴精密工业有限公司 | Metal powder injection molding equipment |
| CN116079050B (en) * | 2022-11-25 | 2023-07-25 | 广州市迅兴精密工业有限公司 | Metal powder injection molding equipment |
| CN118513554A (en) * | 2024-05-27 | 2024-08-20 | 湖南昊宏新材料科技有限公司 | Metal powder injection molding device |
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