CN215704161U - Three-dimensional injection molding equipment without mold - Google Patents
Three-dimensional injection molding equipment without mold Download PDFInfo
- Publication number
- CN215704161U CN215704161U CN202120525180.0U CN202120525180U CN215704161U CN 215704161 U CN215704161 U CN 215704161U CN 202120525180 U CN202120525180 U CN 202120525180U CN 215704161 U CN215704161 U CN 215704161U
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- Prior art keywords
- micro valve
- mold
- gate array
- injection molding
- raw material
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 34
- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a three-dimensional injection molding device without a mold, which comprises a base, wherein a support piece is arranged above the base, a tray is arranged at the position, close to the base, of the support piece, a raw material flow passage is arranged above the tray, a micro valve gate array is arranged below the raw material flow passage, a raw material inlet is arranged above the micro valve gate array, an extrusion device is arranged at the other side of the raw material inlet, and a micro valve gate control mechanism is arranged on the micro valve gate array; the equipment can produce various parts simultaneously by only putting a plurality of same or different part patterns into the file without a mould, has continuous production process and high speed, and is convenient for production statistics and control; the traditional injection mold is not needed, a large amount of mold manufacturing time and capital cost are saved, and a sprue is not formed in the production process, so that the waste material is less, the material is saved, and the energy is saved.
Description
Technical Field
The utility model relates to three-dimensional injection molding equipment, in particular to three-dimensional injection molding equipment without a mold.
Background
An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.
The existing injection molding equipment needs a plurality of different molds when producing a plurality of products with different shapes, can not produce continuously, and needs to pause and wait between pieces and between batches, so that the production efficiency is to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a three-dimensional injection molding device without a mold, which is used for overcoming the defect of low production efficiency caused by the fact that a plurality of different molds are needed when the injection molding device in the prior art is used for producing a plurality of products with different shapes.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses a three-dimensional injection molding device without a mold, which comprises a base, wherein a support piece is arranged above the base, a tray is arranged at the position, close to the base, of the support piece, a raw material flow passage is arranged above the tray, a micro valve gate array is arranged below the raw material flow passage, a raw material inlet is arranged above the micro valve gate array, the other end of the raw material inlet is provided with an extrusion device, and a micro valve gate control mechanism is arranged on the micro valve gate array.
Furthermore, the extrusion device pushes the raw materials to the array of the micro valve gates by extruding the raw materials.
Furthermore, the micro valve gate array is arranged in two layers and comprises an openable pipeline at the upper part and a conical pipeline at the bottom, the openable pipeline of each valve and the conical pipeline at the bottom are arranged on the same axial lead, and the bottom of the conical pipeline is a raw material outlet.
Further, the tray is used for carrying the extruded part, and the tray moves longitudinally on the support according to the extrusion speed, or the tray is fixed and the array of the micro valve gates moves longitudinally on the support according to the extrusion speed.
Furthermore, the micro valve gate array control mechanism controls the opening and closing of each valve in the micro valve gate array so as to control the extrusion shape and size of the raw materials, and controls the extrusion amount of the extrusion device according to the number of the opened valves.
Furthermore, the sectional dimension of a single micro valve in the micro valve gate array is 0.01 mm-10 mm, the diameter of the openable pipeline is 30% -80% of the sectional dimension of the single micro valve, the tail end of the conical pipeline is designed to be deep conical, the section of the raw material outlet is the largest, the section of the micro valve outlet is the smallest, and the pipe wall of the conical pipeline is designed to be a non-smooth surface.
The utility model has the following beneficial effects:
the equipment does not need a mould, only needs to put a plurality of same or different parts into the injection molding file, generates a production file after file processing, controls the variety, the quantity, the sequence and the like of production through the production file, has high production speed, does not need pause among sections of each layer, and is convenient for production statistics and control; because the part is hung on the spray head array, normal printing can be ensured only by arranging a few and extremely fine supporting pieces between the part and the spray head array so that the part is not inclined and deformed, the surface quality of the part is high, and the surface treatment is easier; because the number of the supporting pieces is small, the size is small, and a traditional injection molding sprue is not arranged, the waste material is less, the material is saved, and the energy is saved; hollow or porous objects can be produced very easily; when the photosensitive resin is used as a raw material, all the extruded photosensitive resin is cured into a part of a part, and no redundant liquid or paste photosensitive resin is adhered to the surface of the part, so that the surface of the part is very clean, cleaning is not needed, a large amount of labor hour and solvents are saved, pollution is reduced, and when metal or plastic is used as a raw material, a release agent is not needed, and the surface is also very clean.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic diagram of the structure of a microvalve of the present invention;
fig. 4 is a control block diagram of a microvalve gate array of the present invention.
In the figure: 1. a raw material inlet; 2. a raw material runner; 3. a micro valve gate array; 31. the pipeline can be opened and closed; 32. a tapered conduit; 33. a raw material outlet; 4. a tray; 5. a base; 6. raw materials; 7. micro-valve control mechanism.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-4, a three-dimensional injection molding device without a mold comprises a base 5, a support member is arranged above the base 5, a tray 4 is arranged at a position of the support member close to the base 5, a raw material flow passage 2 is arranged above the tray 4, a micro valve gate array 3 is arranged below the raw material flow passage 2, a raw material inlet 1 is arranged above the micro valve gate array, an extrusion device is arranged at the other side of the raw material inlet 1, and a micro valve gate control mechanism 7 is arranged on the micro valve gate array 3.
The extrusion device pushes the raw material 6 to the array of microvalve gates 3 by extruding it.
The micro valve gate array 3 is arranged in two layers and comprises an openable pipeline 31 at the upper part and a conical pipeline 32 at the bottom part, the openable pipeline 31 and the conical pipeline 32 are arranged at the same axial lead, and a raw material outlet 33 is arranged at the bottom part of the conical pipeline 32.
The tray 4 is a part carrying the extrusion, and the tray 4 is moved longitudinally on the support according to the extrusion speed, or the tray 4 is fixed and the micro valve gate array 3 is moved longitudinally on the support according to the extrusion speed.
The micro valve gate array control mechanism 7 controls the opening and closing of each valve in the micro valve gate array 3 to control the extrusion shape and size of the raw material 6, and controls the extrusion amount of the extrusion device according to the number of the opened valves.
The section size of a single micro valve in the micro valve gate array 3 is 0.01 mm-10 mm, the diameter of the openable pipeline 31 is 30% -80% of the section size of the single micro valve, the tail end of the conical pipeline 32 is designed to be deep conical, the section of the raw material outlet 33 is the largest, the section of the micro valve outlet is the smallest, and the pipe wall of the pipe is designed to be a non-smooth surface.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a need not three-dimensional injection moulding equipment of mould which characterized in that, includes the base, the top of base is equipped with support piece, support piece is close to base department and is equipped with the tray, the top of tray is equipped with the raw materials runner, the below of raw materials runner is equipped with the microvalve gate array, and its top is equipped with the raw materials entry, the other end of raw materials entry is equipped with extrusion device, be equipped with microvalve gate control mechanism on the microvalve gate array.
2. The mold-less three-dimensional injection molding apparatus of claim 1, wherein the extrusion device pushes the feedstock to the array of microvalve gates by extruding the feedstock.
3. The three-dimensional injection molding equipment without the mold according to claim 1, wherein the array of micro valve gates is arranged in two layers and comprises an upper openable pipe and a bottom conical pipe which are arranged at the same axial line, and the bottom of the conical pipe is a raw material outlet.
4. The mold-less three-dimensional injection molding apparatus of claim 1, wherein the tray is a part carrying the extrusion, the tray being moved longitudinally on the support according to the extrusion rate, or the tray being stationary and the array of microvalves being moved longitudinally on the support according to the extrusion rate.
5. The mold-less three-dimensional injection molding apparatus according to claim 1, wherein the micro valve gate array control mechanism controls the opening and closing of each valve in the micro valve gate array to control the extrusion shape and size of the raw material, and controls the extrusion amount of the extrusion device according to the number of the opened valves.
6. The mold-free three-dimensional injection molding device according to claim 1, wherein the cross-sectional dimension of each micro valve in the micro valve gate array is 0.01 mm-10 mm, the diameter of the openable and closable pipeline is 30% -80% of the cross-sectional dimension of each micro valve, the end of the tapered pipeline is designed to be deep tapered, the cross section of the raw material outlet is the largest, the cross section of the micro valve outlet is the smallest, and the pipe wall of the tapered pipeline is designed to be a non-smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120525180.0U CN215704161U (en) | 2021-03-12 | 2021-03-12 | Three-dimensional injection molding equipment without mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120525180.0U CN215704161U (en) | 2021-03-12 | 2021-03-12 | Three-dimensional injection molding equipment without mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215704161U true CN215704161U (en) | 2022-02-01 |
Family
ID=80012990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120525180.0U Active CN215704161U (en) | 2021-03-12 | 2021-03-12 | Three-dimensional injection molding equipment without mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215704161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848314A (en) * | 2021-03-12 | 2021-05-28 | 杜晖 | Three-dimensional injection molding equipment without mold |
-
2021
- 2021-03-12 CN CN202120525180.0U patent/CN215704161U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848314A (en) * | 2021-03-12 | 2021-05-28 | 杜晖 | Three-dimensional injection molding equipment without mold |
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