CN219314052U - Polyimide resin screw pushing device - Google Patents
Polyimide resin screw pushing device Download PDFInfo
- Publication number
- CN219314052U CN219314052U CN202320270894.0U CN202320270894U CN219314052U CN 219314052 U CN219314052 U CN 219314052U CN 202320270894 U CN202320270894 U CN 202320270894U CN 219314052 U CN219314052 U CN 219314052U
- Authority
- CN
- China
- Prior art keywords
- polyimide resin
- resin powder
- pushing
- heat conduction
- conduction oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a polyimide resin screw pushing device, which relates to the technical field of polyimide resin transmission, wherein polyimide resin powder is conveyed into a bin for storage, if polyimide resin powder is required to be used, the polyimide resin powder fully contacts the inner wall of a first baffle plate in the pushing process, hot oil is introduced into and discharged from a heat conducting oil groove through a heat conducting oil pipeline by utilizing the action of a heat conducting oil circulating pump and an electric heating rod, so that the hot oil can always convey heat energy to the polyimide resin powder through the first baffle plate, trace solvent in the polyimide resin powder and moisture in absorbed air are heated, so that the polyimide resin powder can be changed into gaseous state for evaporation, when the polyimide resin powder is pushed out, the gas formed by evaporation is pushed out along with the polyimide resin powder, and is directly separated after pushing out, at the moment, the purity of the polyimide resin powder is higher, and the occurrence frequency of abnormal phenomena such as black spots or flow lines can be reduced in the process of molding of a later-stage plate.
Description
Technical Field
The utility model relates to the technical field of polyimide resin transmission, in particular to a polyimide resin screw pushing device.
Background
Polyimide resin is a high polymer material with high heat resistance, excellent dielectric property and good mechanical strength, and the existing thermosetting polyimide resin is usually prepared into powdery materials for facilitating later storage, transportation and processing, and the powdery materials are utilized to realize the resin molding process to generate plates.
The polyimide resin is subjected to chemical method or thermal solvent method to obtain resin powder, wherein trace solvent is remained in the resin powder after heat treatment and drying, so that trace solvent impurities are contained in the polyimide resin, and the polyimide resin absorbs moisture in the air due to moisture absorption phenomenon in the process of transferring and storing the polyimide resin powder, so that moisture exists in the polyimide resin, and defects such as black spots, flow lines and the like exist in a plate generated in the process of molding the resin by using the polyimide resin due to the impurities in the polyimide resin.
Disclosure of Invention
The utility model aims to provide a polyimide resin screw pushing device.
The technical problems solved by the utility model are as follows: the polyimide resin has trace amount of solvent remained in the polyimide resin powder generated after imidization, and the polyimide resin powder has moisture absorption property, so that the polyimide resin absorbs moisture in the air, therefore, the polyimide resin powder has certain impurities when in use, and abnormal phenomena of black spots and flow lines exist on the produced plate.
The utility model can be realized by the following technical scheme: the utility model provides a polyimide resin screw pushing device, includes fixed shell, and fixed shell is inside to be provided with first baffle, forms the heat conduction oil groove between first baffle and the fixed shell, and first baffle is inside to be provided with power pack, and it has hot oil to flow in the heat conduction oil groove, and polyimide resin powder is placed to first baffle inside.
The utility model further technically improves that: the power assembly comprises a pushing motor, the pushing motor is in driving connection with a pushing rotating shaft, the pushing rotating shaft is connected with a middle rotating shaft, the middle rotating shaft is rotationally arranged inside the first partition plate, and pushing spiral blades are fixed on the middle rotating shaft.
The utility model further technically improves that: the heat conduction oil groove is connected with a heat conduction oil pipeline, the heat conduction oil pipeline is connected with a power box, a circulating pump and a heating rod are arranged in the power box, and the circulating pump is connected with the heat conduction oil pipeline.
The utility model further technically improves that: and the first partition plate is also communicated with a nitrogen inlet pipeline, and nitrogen is introduced into the input end of the nitrogen inlet pipeline.
The utility model further technically improves that: the fixed shell is fixedly provided with a feed bin, and the output end of the feed bin is connected inside the first partition plate.
The utility model further technically improves that: the discharge gate has been seted up to first baffle bottom, and the discharge gate is connected at the mould.
Compared with the prior art, the utility model has the following beneficial effects:
1. the polyimide resin powder is conveyed to the inside of the bin for storage, if the polyimide resin powder is required to be used, the polyimide resin powder is fully contacted with the inner wall of the first partition board in the pushing process, hot oil enters and flows out of the heat conduction oil groove through the heat conduction oil pipeline by utilizing the action of the circulating pump and the heating rod, so that the hot oil can always convey heat energy to the polyimide resin powder through the first partition board, trace solvent in the polyimide resin powder and moisture in absorbed air are heated, the polyimide resin powder can be changed into gaseous state for evaporation, when the polyimide resin powder is pushed out, the gas formed by evaporation is also pushed out along with the polyimide resin powder, the polyimide resin powder is directly separated after being pushed out, the purity of the polyimide resin powder is higher, and the occurrence frequency of abnormal phenomena such as black spots or flow lines can be reduced.
2. This application is owing to be in the environment of high-purity nitrogen gas all the time to polyimide's propelling movement in-process, and the gaseous melting of evaporation formation is in nitrogen gas, when being released polyimide resin powder, nitrogen gas and the gaseous being released of evaporation formation can take out by nitrogen gas fast this moment, avoid contacting outside back again cooling to on the polyimide resin powder, so utilize nitrogen gas can guarantee polyimide resin powder's purity higher.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic view of the external structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the stationary housing of the present utility model;
FIG. 3 is a schematic view of the screw assembly of the present utility model.
In the figure: 1. a first support frame; 2. a power box; 3. a thermally conductive oil conduit; 4. a pushing motor; 5. a storage bin; 6. nitrogen enters the pipeline; 7. a fixed housing; 8. a second support frame; 9. a discharge port; 10. a pushing rotating shaft; 11. a screw assembly; 12. a first separator; 13. a pushing groove; 14. pushing spiral leaves; 15. a middle rotating shaft; 16. and a heat conduction oil groove.
Detailed Description
In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.
Referring to fig. 1-3, a polyimide resin screw pushing device comprises a first support frame 1 and a second support frame 8, wherein moving rollers are arranged at the bottoms of the first support frame 1 and the second support frame 8 and used for realizing the overall movement of the device, a power box 2 is arranged on the first support frame 1 and used for providing power for cyclic heating, a screw assembly 11 is arranged on the second support frame 8, the screw assembly 11 is connected with a storage bin 5 and used for pushing polyimide resin powder in the storage bin 5 through the screw assembly 11, meanwhile, due to the existence of the power box 2, the power box 2 provides power for cyclic heating for the screw assembly 11 and used for heating the polyimide resin powder in the screw assembly 11, and simultaneously, moisture and trace solvents in the polyimide resin powder are heated, so that the polyimide resin powder is drier and purer, meanwhile, the moisture and trace solvents in the polyimide resin powder are evaporated to form gas, and when the polyimide resin powder is conveyed to an output end, the generated gas can be discharged, the purity of the polyimide resin powder used in the production is ensured, and the frequency of black or flowing lines is reduced.
The polyimide resin powder is placed in the bin 5, and is sucked into the bin 5 through negative pressure, and the step can be replaced by other feeding modes to realize feeding of the polyimide resin powder.
The screw assembly 11 includes a power assembly and a fixed housing 7, the fixed housing 7 is fixedly installed on the second supporting frame 8, wherein a first partition 12 is provided in the fixed housing 7, an annular cavity is formed between the first partition 12 and the fixed housing 7, in this embodiment, a heat conduction oil groove 16 is defined, a power assembly is provided in the first partition 12 for realizing the transmission of polyimide resin powder, in this embodiment, heat conduction oil is filled in the heat conduction oil groove 16, high-temperature heat conduction oil is utilized for heating the first partition 12, and polyimide resin powder in the first partition 12 is heated, besides heat conduction oil is utilized for transmitting heat, a steam mode, an electric auxiliary heat mode and the like are utilized for heating the polyimide resin powder, but in this application, a circulating heat conduction oil mode is mainly adopted, so that the heating on the first partition 12 is uniform, and polyimide resin powder at each position is heated.
And heat conduction oil is introduced into the heat conduction oil groove 16, wherein the heat conduction oil groove 16 is connected with the power box 2 through the heat conduction oil pipeline 3, the power box 2 comprises a circulating pump, a heating rod, a controller and the like, the circulating pump is utilized to realize the circulation of the heat conduction oil from the inside of the heat conduction oil groove 16, the heat conduction oil pipeline 3 is provided with a plurality of groups for realizing the circulation of the heat conduction oil, the heating rod is utilized to heat the heat conduction oil, and the controller is utilized to realize the heating and flow control of the heat conduction oil.
The power component comprises a pushing motor 4, a pushing rotating shaft 10, a pushing groove 13, a pushing spiral blade 14 and an intermediate rotating shaft 15, wherein the pushing motor 4 is fixed on the side edge of the second supporting frame 8, the pushing rotating shaft 10 is in driving connection with the pushing motor 4 and used for providing rotating power for the pushing rotating shaft 10, the pushing rotating shaft 10 is connected with the intermediate rotating shaft 15, the pushing groove 13 is arranged in the first partition plate 12 and used for pushing polyimide resin powder, the intermediate rotating shaft 15 is located in the pushing groove 13, the output end of the storage bin 5 is connected in the pushing groove 13, the polyimide resin powder in the storage bin 5 is directly pushed into the pushing groove 13, and the pushing spiral blade 14 is fixed on the intermediate rotating shaft 15.
Specifically, in the present application, the pushing motor 4 is utilized to act to drive the pushing rotating shaft 10 to rotate, thereby driving the intermediate rotating shaft 15 to drive the pushing spiral blade 14 to realize pushing of the polyimide resin powder, the discharge port 9 is fixed on the fixed housing 7, wherein the input end of the discharge port 9 is connected to the pushing groove 13, the output end of the discharge port 9 is connected to the mold, when the polyimide resin powder is processed, the polyimide resin powder enters the mold from the discharge port 9, and at this time, the mold should be fully preheated.
In this application, still include nitrogen gas entering pipeline 6, wherein nitrogen gas entering pipeline 6's output is connected in pushing away the inside of silo 13, so nitrogen gas entering pipeline 6's input lets in nitrogen gas for realize inputting high-purity nitrogen gas and protect polyimide resin powder, avoid polyimide resin powder's water absorption, and polyimide resin powder is in the release process, through letting in nitrogen gas for nitrogen gas accompanies the material and is released together, and trace solvent and moisture evaporation melt in nitrogen gas inside, be favorable to carrying out individual discharge to trace solvent and moisture.
When the polyimide resin powder storage hopper is used, polyimide resin powder is firstly conveyed into the storage hopper 5 for storage, if polyimide resin powder is required to be used, the pushing motor 4 is firstly required to be started, so that polyimide resin powder in the storage hopper 5 enters the pushing groove 13, the pushing rotating shaft 10 is driven to rotate by the pushing motor 4, the middle rotating shaft 15 is driven to rotate, polyimide resin is driven to be conveyed when the pushing spiral blade 14 rotates, and the polyimide resin powder is pushed.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present utility model.
Claims (6)
1. A polyimide resin screw blevile of push which characterized in that: including fixed shell (7), fixed shell (7) inside is provided with first baffle (12), form heat conduction oil groove (16) between first baffle (12) and the fixed shell (7), first baffle (12) inside is provided with power component, it has hot oil to flow in heat conduction oil groove (16), polyimide resin powder is placed to inside of first baffle (12).
2. The polyimide resin screw pushing device according to claim 1, wherein the power assembly comprises a pushing motor (4), the pushing motor (4) is in driving connection with a pushing rotating shaft (10), the pushing rotating shaft (10) is connected with an intermediate rotating shaft (15), the intermediate rotating shaft (15) is rotatably arranged inside the first partition plate (12), and pushing spiral blades (14) are fixed on the intermediate rotating shaft (15).
3. The polyimide resin screw pushing device according to claim 1, wherein the heat conduction oil groove (16) is connected with a heat conduction oil pipeline (3), the heat conduction oil pipeline (3) is connected with a power box (2), a circulating pump and a heating rod are arranged inside the power box (2), and the circulating pump is connected with the heat conduction oil pipeline (3).
4. The polyimide resin screw pushing device according to claim 1, wherein the first partition plate (12) is further communicated with a nitrogen inlet pipeline (6), and nitrogen is introduced into the input end of the nitrogen inlet pipeline (6).
5. The polyimide resin screw pushing device according to claim 1, wherein a bin (5) is fixed on the fixed housing (7), and an output end of the bin (5) is connected inside the first partition plate (12).
6. The polyimide resin screw pushing device according to claim 5, wherein a discharge port (9) is formed in the bottom of the first partition plate (12), and the discharge port (9) is connected to the die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320270894.0U CN219314052U (en) | 2023-02-21 | 2023-02-21 | Polyimide resin screw pushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320270894.0U CN219314052U (en) | 2023-02-21 | 2023-02-21 | Polyimide resin screw pushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219314052U true CN219314052U (en) | 2023-07-07 |
Family
ID=87030338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320270894.0U Active CN219314052U (en) | 2023-02-21 | 2023-02-21 | Polyimide resin screw pushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219314052U (en) |
-
2023
- 2023-02-21 CN CN202320270894.0U patent/CN219314052U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101777977B1 (en) | Metal Powders Drying Apparatus for Manufacturing of Secondary Cell Battery And Drying Method Theeof | |
| CN107084611B (en) | Spiral material mixing airflow dryer | |
| CN219314052U (en) | Polyimide resin screw pushing device | |
| CN207622433U (en) | A kind of fish feed baking and cooling equipment | |
| CN117889631A (en) | Stirring mechanism for heating, stirring and conveying integrated dryer | |
| CN211204836U (en) | Drying furnace | |
| CN209257269U (en) | A kind of energy-efficient plastic granulating agitating device | |
| CN115451687A (en) | Device for rapidly drying battery raw materials | |
| CN109852408B (en) | Biomass pyrolysis gasification device | |
| CN220793674U (en) | Polyimide drying device | |
| CN204038431U (en) | A kind of PBT color masterbatch screw feeding machine | |
| CN103673558A (en) | Dryer with five or six barrels | |
| CN207307799U (en) | A kind of granulator of band cleaning platform | |
| CN208006229U (en) | Plastic extruder pretreatment unit | |
| KR20130067085A (en) | Hot decomposition system of waste plastic materials | |
| CN112708427A (en) | Waste material pyrolysis oven | |
| CN212283991U (en) | Reaction system for thermal dehydration into anhydride | |
| CN206700792U (en) | A kind of circulation and energy-saving type evaporating kettle of antimony glycol | |
| CN218602479U (en) | Lithium ion battery conductive agent black graphite processing apparatus | |
| CN218945266U (en) | System for preparing ferric phosphate dihydrate powder | |
| CN221685104U (en) | A drying device for antioxidant production | |
| CN218034178U (en) | Transmission device of three-cylinder dryer | |
| CN220547069U (en) | Lithium hydroxide dehydration crushing device based on lithium battery anode material | |
| CN218977982U (en) | Dewatering device for deep processing of vegetable production | |
| CN210638466U (en) | Device for drying micro silicon powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |