CN220802802U - Stirring device for polyimide slurry - Google Patents
Stirring device for polyimide slurry Download PDFInfo
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- CN220802802U CN220802802U CN202322613619.7U CN202322613619U CN220802802U CN 220802802 U CN220802802 U CN 220802802U CN 202322613619 U CN202322613619 U CN 202322613619U CN 220802802 U CN220802802 U CN 220802802U
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- stirring
- slurry
- stirring tank
- rod
- tank
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- 238000003756 stirring Methods 0.000 title claims abstract description 186
- 239000002002 slurry Substances 0.000 title claims abstract description 106
- 229920001721 polyimide Polymers 0.000 title claims abstract description 31
- 239000004642 Polyimide Substances 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 12
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000010907 mechanical stirring Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 description 15
- 238000009434 installation Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000012772 electrical insulation material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Abstract
The utility model discloses a stirring device for polyimide slurry, which comprises a slurry stirring tank, wherein a rotatable stirring rod is vertically arranged in the slurry stirring tank, the lower end of the stirring rod penetrates through the bottom of the slurry stirring tank downwards and then is connected with a rotary power mechanism, and the rotary power mechanism drives the stirring rod to perform rotary motion; four groups of stirring blades are respectively arranged on the stirring rod from top to bottom, a round ultrasonic vibration ring is arranged between two groups of stirring blades which are adjacent from top to bottom, one end of the ultrasonic vibration ring extends outwards and penetrates through the side wall of the slurry stirring tank, and the end parts of the three groups of ultrasonic vibration rings are connected with an ultrasonic generator together. According to the utility model, the mechanical stirring structure of the stirring rod and the stirring blade is arranged in the slurry stirring tank, and the stirring rod and the stirring blade are matched with the ultrasonic vibration ring and the ultrasonic generator to work together, so that the accumulation phenomenon of materials in the slurry stirring tank is reduced, the mixing and dispersing efficiency between the materials is improved, the stirring quality is further improved, and the product quality is improved.
Description
Technical Field
The utility model relates to the technical field of polyimide slurry production, in particular to a stirring device for polyimide slurry.
Background
Polyimide has the characteristics of performance and synthetic chemistry, is difficult to find out in a plurality of polymers, has such wide application aspects as polyimide, and has extremely outstanding performance in each aspect, polyimide slurry has outstanding high-temperature resistance, radiation resistance, chemical corrosion resistance and electrical insulation performance, can be used in the air of 250-280 ℃ for a long time, and is particularly suitable for being used as a flexible printed circuit board substrate and various high-temperature resistant motor electrical insulation materials.
When polyimide in the form of slurry is prepared, the preparation raw materials of various polyimide slurries are required to be stirred, and the preparation of the polyimide slurries can be completed after various materials are uniformly mixed together.
In the prior art, for example, chinese patent publication No. CN217368083U discloses a preparation device for polyimide slurry, which includes a preparation barrel and a mixing mechanism; preparing a barrel: a feeding pipe is arranged at a feeding hole at the upper end of the outer cambered surface, a discharging pipe is arranged at a discharging hole at the center of the bottom surface of the preparation barrel, a rotating rod is rotatably connected at the center of the inner top wall of the preparation barrel through a bearing, and stirring sheets distributed at equal angles are arranged at the bottom end of the outer cambered surface of the rotating rod; mixing mechanism: is arranged in the preparation barrel; wherein: the outer cambered surface of the preparation barrel is provided with a control switch, and the input end of the control switch is electrically connected with an external power supply; wherein: the center of the upper surface of the preparation barrel is provided with a motor, and an output shaft of the motor is fixedly connected with the upper end of the rotating rod. The preparation device for the polyimide slurry can sufficiently and comprehensively stir the preparation raw materials of the polyimide slurry, and promote the preparation raw materials of the polyimide slurry to be quickly and uniformly mixed to finish the preparation work of the polyimide slurry.
Since polyimide slurries generally require mixing of polyimide resin, solvent, filler and various auxiliaries, the applicant found that the slurry viscosity is high: the stirring piece on the rotating rod of the device is easy to cause raw material accumulation in the stirring process, so that the uniformity of materials in the preparation barrel cannot be ensured, and the preparation quality of polyimide slurry can be influenced to a certain extent.
Disclosure of utility model
The utility model aims to provide a stirring device for polyimide slurry, which aims to solve the technical problems in the background art.
To achieve the above object, the present utility model adopts the following:
The stirring device for the polyimide slurry comprises a slurry stirring tank, wherein a rotatable stirring rod is vertically arranged in the middle of the interior of the slurry stirring tank, the top end of the stirring rod is rotationally connected to a horizontal rod body, the rod body is fixedly arranged above the interior of the slurry stirring tank, the lower end of the stirring rod downwards penetrates through the bottom of the slurry stirring tank and is then connected to a rotary power mechanism, and the rotary power mechanism is arranged outside the bottom end of the slurry stirring tank and drives the stirring rod to perform rotary motion;
the top of the slurry stirring tank is respectively communicated with three connecting pipe orifices, the side wall of the slurry stirring tank is communicated with a feeding pipe orifice, and the bottom of the slurry stirring tank is communicated with a discharging pipe orifice;
Four groups of stirring blades are respectively arranged on the stirring rod from top to bottom, a round ultrasonic vibration ring is arranged between two groups of stirring blades adjacent from top to bottom, one end of the ultrasonic vibration ring extends outwards and penetrates through the side wall of the slurry stirring tank, and the end parts of the three groups of ultrasonic vibration rings are connected onto an ultrasonic generator.
Further stated, the rotary power mechanism comprises a rotary driven gear, a driving gear, a rotary motor and a motor mounting seat, wherein the motor mounting seat is fixedly arranged at the bottom end of the slurry stirring tank, the rotary motor is arranged on the motor mounting seat, an output shaft of the rotary motor is connected with the driving gear, the rotary driven gear is meshed with the driving gear, and the bottom end of the stirring rod is downwards connected to the central position of the rotary driven gear. The rotary power mechanism has the advantages of simple structure, simple manufacture and low cost.
Further stated, the slurry stirring tank comprises an inner container body and an outer shell body, a space is reserved between the inner container body and the outer shell body, and a plurality of connecting partition plate bodies are arranged between the inner container body and the outer shell body. A gap exists between the inner container body and the outer shell body, so that the slurry contained in the inner container body can flow in the gap only even if the inner container body leaks, and the slurry cannot overflow out of the outer shell body to pollute the environment.
Further, the two groups of stirring blades which are adjacent up and down are distributed in a cross staggered way. Thus, more vortex is formed in the flowing process of the materials, and the mixing speed of the materials in the slurry stirring tank is increased.
Further, the stirring blade comprises a horizontal bearing rod sleeved on the stirring rod, two sides of the horizontal bearing rod are respectively and fixedly provided with inclined plate bodies along the length direction of the horizontal bearing rod, and the two inclined plate bodies are in a rotationally symmetrical structure relative to the horizontal bearing rod. The stirring blade has the advantages of simple structure, simple manufacture, strong stirring function and good uniformity.
Further, the bottom of the slurry stirring tank is provided with a stirring rod mounting hole matched with the stirring rod, the side wall of the slurry stirring tank is provided with an ultrasonic stirring mounting hole matched with the ultrasonic vibration ring, and the stirring rod mounting hole and the ultrasonic stirring mounting hole are fixedly provided with sealing shaft parts. The stirring rod is installed and fixed through the stirring rod installation hole, the ultrasonic vibration ring is installed and fixed through the ultrasonic stirring installation hole, and the positions of the stirring rod installation hole and the ultrasonic stirring installation hole are sealed through the sealing shaft piece.
Further stated, the bottom ends of the slurry stirring tanks are respectively and vertically provided with four supporting legs. Therefore, the bottom surface of the slurry stirring tank is prevented from being directly contacted with the platform or the ground by arranging the supporting legs to lift the bottom surface of the slurry stirring tank.
Further illustratively, the slurry stirring tank further comprises a heating rod extending downwardly from the top of the slurry stirring tank into the interior of the slurry stirring tank. The slurry in the slurry stirring tank is properly heated through the heating rod body, so that the defoaming effect can be achieved to a certain extent.
Compared with the prior art, the utility model has the beneficial effects that: the mechanical stirring structure of stirring rod and stirring blade is arranged inside the slurry stirring tank, and then the stirring rod and stirring blade are matched with the ultrasonic vibration ring and the ultrasonic generator to work together, namely ultrasonic wave is generated by the ultrasonic generator, the ultrasonic vibration ring drives the materials in the slurry stirring tank to vibrate, the stirring range of the stirring rod is improved under the interaction of the ultrasonic vibration rings, so that the accumulation phenomenon of the materials in the slurry stirring tank is reduced, the mixing and dispersing efficiency between the materials is improved, the stirring quality is further improved, and the product quality is improved.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
FIG. 1 is a schematic cross-sectional view of a stirring apparatus for polyimide slurry according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is a schematic diagram of an embodiment of the present utility model relating to a slurry agitation tank;
FIG. 4 is a schematic diagram of an embodiment of the present utility model relating to a rotary power mechanism;
FIG. 5 is a schematic diagram of an embodiment of the present utility model related to a stirring rod;
FIG. 6 is a schematic diagram of an embodiment of the present utility model with respect to a stirring blade;
FIG. 7 is a partial schematic view of a stirring device according to another embodiment of the present utility model;
In the drawings, each reference numeral is:
1-slurry stirring tank, 2-stirring rod, 3-rotary power mechanism, 4-stirring blade, 5-ultrasonic vibration ring, 6-ultrasonic generator, 7-landing leg, 8-heating rod body, 11-inner container body, 12-outer shell body, 13-connection baffle body, 14-connection pipe orifice, 15-feeding pipe orifice, 16-discharging pipe orifice, 17-stirring rod mounting hole, 18-ultrasonic stirring mounting hole, 19-sealing shaft piece, 21-rod body, 31-rotary driven gear, 32-driving gear, 33-rotary motor, 34-motor mounting seat, 41-horizontal bearing rod and 42-sloping plate body.
Detailed Description
In order to more clearly illustrate the present utility model, the present utility model will be further described with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and that this utility model is not limited to the details given herein.
Referring to fig. 1 to 6, the present embodiment provides a stirring apparatus for polyimide slurry, which includes a slurry stirring tank 1, which is generally in a hollow cylindrical shape, a rotatable stirring rod 2 is vertically disposed in the middle of the interior of the slurry stirring tank 1, the top end of the stirring rod 2 is rotatably connected to a horizontal rod body 21, the rod body 21 is fixedly disposed above the interior of the slurry stirring tank 1, the lower end of the stirring rod 2 penetrates through the bottom of the slurry stirring tank 1 downward and is then connected to a rotary power mechanism 3, the rotary power mechanism 3 is disposed outside the bottom end of the slurry stirring tank 1, and the rotary power mechanism 3 drives the stirring rod 2 to perform a rotary motion.
Wherein, the top of the slurry stirring tank 1 is respectively communicated with three connecting pipe orifices 14, the side wall of the slurry stirring tank 1 is communicated with a feeding pipe orifice 15, and the bottom of the slurry stirring tank 1 is communicated with a discharging pipe orifice 16.
Four groups of stirring blades 4 are respectively arranged on the stirring rod 2 from top to bottom, a round ultrasonic vibration ring 5 is arranged between two groups of stirring blades 4 adjacent from top to bottom, one end of the ultrasonic vibration ring 5 extends outwards and penetrates through the side wall of the slurry stirring tank 1, and the end parts of the three groups of ultrasonic vibration rings 5 are connected onto an ultrasonic generator 6 together.
The main principle of the stirring device is as follows: the stirring rod and stirring blade mechanical stirring structure is arranged inside the slurry stirring tank, the stirring rod is driven by the rotary power mechanism to perform rotary motion so as to realize stirring operation of the stirring blade, then the stirring blade is matched with the ultrasonic vibration ring and the ultrasonic generator to work together, namely, ultrasonic waves are generated by the ultrasonic generator, the ultrasonic vibration ring drives materials in the slurry stirring tank to vibrate, and the stirring range of the stirring rod is improved under the interaction of the ultrasonic vibration rings.
In the present embodiment, the rotary power mechanism 3 includes a rotary driven gear 31, a driving gear 32, a rotary motor 33 and a motor mount 34, the motor mount 34 is fixedly provided at the bottom end of the slurry stirring tank 1, the rotary motor 33 is provided on the motor mount 34, and an output shaft of the rotary motor 33 is connected to the driving gear 32, the rotary driven gear 31 is engaged with the driving gear 32, and the bottom end of the stirring rod 2 is connected downward to the center position of the rotary driven gear 31. The rotary power mechanism has the advantages of simple structure, simple manufacture and low cost, and the output shaft of the rotary motor drives the driving gear to rotate, so that the rotary driven gear meshed with the driving gear rotates, and the rotary action of the stirring rod in the slurry stirring tank is realized.
In this embodiment, the slurry stirring tank 1 includes an inner container body 11 and an outer housing 12, a space is left between the inner container body 11 and the outer housing 12, and a plurality of connection partition plates 13 are provided between the inner container body 11 and the outer housing 12. A gap exists between the inner container body and the outer shell body, so that the slurry contained in the inner container body can flow in the gap only even if the inner container body leaks, and the slurry cannot overflow out of the outer shell body to pollute the environment.
In this embodiment, two sets of stirring blades 4 adjacent to each other up and down are arranged in a cross staggered manner. Thus, more vortex is formed in the flowing process of the materials, and the mixing speed of the materials in the slurry stirring tank is increased.
Further, the stirring vane 4 includes a horizontal bearing rod 41 sleeved on the stirring rod 2, two sides of the horizontal bearing rod 41 are respectively and fixedly provided with an inclined plate body 42 along the length direction thereof, and the two inclined plate bodies 42 are in a rotationally symmetrical structure relative to the horizontal bearing rod 41. The stirring blade has the advantages of simple structure, simple manufacture, strong stirring function and good uniformity.
In this embodiment, a stirring rod mounting hole 17 matched with the stirring rod 2 is formed in the bottom of the slurry stirring tank 1, an ultrasonic stirring mounting hole 18 matched with the ultrasonic vibration coil 5 is formed in the side wall of the slurry stirring tank 1, and sealing shaft pieces 19 are fixedly arranged at the stirring rod mounting hole 17 and the ultrasonic stirring mounting hole 18. The stirring rod is installed and fixed through the stirring rod installation hole, the ultrasonic vibration ring is installed and fixed through the ultrasonic stirring installation hole, and the positions of the stirring rod installation hole and the ultrasonic stirring installation hole are sealed through the sealing shaft piece.
In the present embodiment, the bottom ends of the slurry agitation tanks 1 are vertically provided with four legs 7, respectively. Therefore, the bottom surface of the slurry stirring tank is prevented from being directly contacted with the platform or the ground by arranging the supporting legs to lift the bottom surface of the slurry stirring tank.
In another possible embodiment, as shown in fig. 7, a heating rod 8 may be added, and the heating rod 8 may be inserted downward from the top of the slurry stirring tank 1 into the slurry stirring tank 1. The slurry in the slurry stirring tank is properly heated through the heating rod body, so that the defoaming effect can be achieved to a certain extent.
It should be understood that the foregoing examples of the present utility model are provided merely for clearly illustrating the present utility model and are not intended to limit the embodiments of the present utility model, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present utility model as defined by the appended claims.
Claims (8)
1. The stirring device for the polyimide slurry is characterized by comprising a slurry stirring tank, wherein a rotatable stirring rod is vertically arranged in the middle of the inside of the slurry stirring tank, the top end of the stirring rod is rotatably connected to a horizontal rod body, the rod body is fixedly arranged above the inside of the slurry stirring tank, the lower end of the stirring rod penetrates through the bottom of the slurry stirring tank downwards and then is connected to a rotary power mechanism, and the rotary power mechanism is arranged outside the bottom end of the slurry stirring tank and drives the stirring rod to rotate by the rotary power mechanism;
the top of the slurry stirring tank is respectively communicated with three connecting pipe orifices, the side wall of the slurry stirring tank is communicated with a feeding pipe orifice, and the bottom of the slurry stirring tank is communicated with a discharging pipe orifice;
Four groups of stirring blades are respectively arranged on the stirring rod from top to bottom, a round ultrasonic vibration ring is arranged between two groups of stirring blades adjacent from top to bottom, one end of the ultrasonic vibration ring extends outwards and penetrates through the side wall of the slurry stirring tank, and the end parts of the three groups of ultrasonic vibration rings are connected onto an ultrasonic generator.
2. The stirring device for polyimide slurry according to claim 1, wherein the rotary power mechanism comprises a rotary driven gear, a driving gear, a rotary motor and a motor mounting seat, the motor mounting seat is fixedly arranged at the bottom end of the slurry stirring tank, the rotary motor is arranged on the motor mounting seat, an output shaft of the rotary motor is connected with the driving gear, the rotary driven gear is meshed with the driving gear, and the bottom end of the stirring rod is downwards connected to the central position of the rotary driven gear.
3. The stirring device for polyimide slurry according to claim 1, wherein the slurry stirring tank comprises an inner container body and an outer shell body, a space is reserved between the inner container body and the outer shell body, and a plurality of connecting partition plate bodies are arranged between the inner container body and the outer shell body.
4. The stirring device for polyimide slurry according to claim 1, wherein the two sets of stirring blades adjacent to each other up and down are arranged in a cross-like staggered manner.
5. The stirring device for polyimide slurry according to claim 4, wherein the stirring blade comprises a horizontal carrier bar sleeved on the stirring bar, two sides of the horizontal carrier bar are respectively and fixedly provided with inclined plate bodies along the length direction of the horizontal carrier bar, and the two inclined plate bodies are in a rotationally symmetrical structure relative to the horizontal carrier bar.
6. The stirring device for polyimide slurry according to claim 1, wherein a stirring rod mounting hole matched with the stirring rod is formed in the bottom of the slurry stirring tank, an ultrasonic stirring mounting hole matched with the ultrasonic vibration ring is formed in the side wall of the slurry stirring tank, and sealing shaft parts are fixedly arranged at the stirring rod mounting hole and the ultrasonic stirring mounting hole.
7. The stirring device for polyimide slurry according to claim 1, wherein four supporting legs are vertically provided at the bottom ends of the slurry stirring tanks, respectively.
8. The stirring device for polyimide slurry according to any one of claims 1 to 7, further comprising a heating rod penetrating downward from the top of the slurry stirring tank into the interior of the slurry stirring tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322613619.7U CN220802802U (en) | 2023-09-26 | 2023-09-26 | Stirring device for polyimide slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322613619.7U CN220802802U (en) | 2023-09-26 | 2023-09-26 | Stirring device for polyimide slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220802802U true CN220802802U (en) | 2024-04-19 |
Family
ID=90705690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322613619.7U Active CN220802802U (en) | 2023-09-26 | 2023-09-26 | Stirring device for polyimide slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220802802U (en) |
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2023
- 2023-09-26 CN CN202322613619.7U patent/CN220802802U/en active Active
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