CN215428702U - Ketoxime-removing type transparent silicone sealant continuous production device - Google Patents
Ketoxime-removing type transparent silicone sealant continuous production device Download PDFInfo
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- CN215428702U CN215428702U CN202121737820.0U CN202121737820U CN215428702U CN 215428702 U CN215428702 U CN 215428702U CN 202121737820 U CN202121737820 U CN 202121737820U CN 215428702 U CN215428702 U CN 215428702U
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Abstract
The utility model discloses a ketoxime removing type transparent silicone sealant continuous production device, wherein a pipeline of a premixing tank is communicated with an intermediate tank, an outlet pipeline of a coarse mixing tank is communicated with a screw extruder, an outlet pipeline of the screw extruder is communicated with a condenser, an outlet pipeline of the condenser is communicated with a material pressing machine, and a pipeline of the material pressing machine is communicated with a racking machine. The premixing tank can premix the liquid raw material and the crosslinking agent, the activity of the crosslinking agent is fully excited, the reaction is thorough, the mixing effect is better, the premixing tank uniformly mixes and stirs the premixed liquid raw material, the crosslinking agent and the powder raw material and conveys the mixture to the screw extruder, the coupling agent and the catalyst are added to the screw extruder, the base material is fully and uniformly mixed, the base material is controlled at a proper temperature through the cooling of the screw extruder and the condenser, the cooled base material is conveyed to the racking machine through the material pressing machine for subsequent packaging, the activity of the crosslinking agent is fully activated, and the performance index of the product is improved.
Description
Technical Field
The utility model relates to the technical field of silicone sealant production, in particular to a ketoxime removing type transparent silicone sealant continuous production device.
Background
The silicone sealant is commonly known as room temperature vulcanized silicone rubber which is prepared by taking polysiloxane as a basic polymer and combining components such as reinforcing filler, curing agent (comprising cross-linking agent, coupling agent, catalyst and the like). When the reinforcing filler is precipitated silica, gas-phase silica or nano silica, the produced sealant is semitransparent or completely transparent, and is generally called transparent silicone sealant. The reaction mechanism is that polysiloxane is fully reacted with cross-linking agent in curing agent and then silica is added, and the cross-linking agent is reacted with hydroxyl on the surface of silica continuously. The ketoxime type cross-linking agent has moderate reactivity, and needs to keep sufficient reaction time in the process of each process step of material mixing, but in order to improve the production efficiency when continuous automatic line production is adopted, the material mixing time is greatly shortened, so that the reaction time is insufficient, the reaction is insufficient, and indexes such as the thickness, the mechanical property and the like of the finished product glue fluctuate.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: aiming at the defects in the prior art, the continuous production device for the deketoxime type transparent silicone sealant is provided, liquid raw materials and a cross-linking agent are premixed, a base material finished product is uniformly mixed, and the product performance is good.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a continuous production device of a deketoxime type transparent silicone sealant comprises a premixing tank which is communicated with a liquid raw material storage tank and a cross-linking agent storage tank through pipelines respectively, wherein the premixing tank is communicated with an intermediate tank through a pipeline, and the intermediate tank is communicated to a rough mixing tank through a pipeline;
the device comprises a rough mixing tank, a coupling agent storage tank, a catalyst storage tank, a condenser, a material pressing machine and a sub-packaging machine, wherein the rough mixing tank is communicated with a powder feeding tank through a pipeline;
the premixing tank, the rough mixing tank and the screw extruder are communicated to a vacuum system through pipelines.
As an improved technical scheme, a powder feeding tank pipeline is communicated with a powder raw material storage tank, a powder raw material storage tank pipeline is communicated with an air compressor, and a powder raw material storage tank pipeline is communicated with a bag-type dust collector.
As an improved technical scheme, a plurality of air inlets are formed in a pipeline between the powder raw material storage tank and the powder feeding tank, a plurality of air inlet pipelines are communicated to the air compressor, and the air inlets are obliquely arranged along the advancing direction of materials.
As an improved technical scheme, the powder raw material storage tank and the powder feeding tank are both provided with weighing sensors, a flow meter is arranged between the intermediate tank and the rough mixing tank, and the weighing sensors and the flow meter are interlocked to a control system.
As an improved technical scheme, a buffer tank is arranged between the material pressing machine and the racking machine, and the buffer tank is provided with a cooling jacket.
As an improved technical scheme, the buffer tank is provided with a circulating pipeline, and a cooling sleeve is arranged on the outer side of the circulating pipeline.
As a preferable technical scheme, metering pumps are arranged on feeding pipelines of the cross-linking agent storage tank, the coupling agent storage tank and the catalyst storage tank.
As a preferred technical scheme, a pneumatic gate valve is arranged between the rough mixing tank and the powder feeding tank.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the utility model relates to a ketoxime removing type transparent silicone sealant continuous production device which comprises a premixing tank communicated with a liquid raw material storage tank and a cross-linking agent storage tank through pipelines, wherein the premixing tank is communicated with an intermediate tank through a pipeline, and the intermediate tank is communicated to a coarse mixing tank through a pipeline; the device comprises a rough mixing tank, a coupling agent storage tank, a catalyst storage tank, a condenser, a material pressing machine and a sub-packaging machine, wherein the rough mixing tank is communicated with a powder feeding tank through a pipeline; the premixing tank, the rough mixing tank and the screw extruder are communicated to a vacuum system through pipelines. The premixing tank can premix the liquid raw material and the cross-linking agent in a negative pressure state, the activity of the cross-linking agent is fully excited, the reaction is thorough, the mixing effect is better, and the performance index of the product is guaranteed.
The pipeline of the powder feeding tank is communicated with a powder raw material storage tank, the pipeline of the powder raw material storage tank is communicated with an air compressor, and the pipeline of the powder raw material storage tank is communicated with a bag-type dust collector. The pipeline between the powder raw material storage tank and the powder feeding tank is provided with a plurality of air inlets, the air inlets are communicated to the air compressor through pipelines, and the air inlets are obliquely arranged along the advancing direction of the material. The automatic powder feeding mode is adopted, so that the labor is saved, the damage of dust to the environment and a human body is reduced, the feeding is stable, and the waste of powder raw materials is less.
The powder raw material storage tank with powder throws the material jar and all is equipped with weighing sensor, the intermediate tank with be equipped with the flowmeter between the jar roughly mixed, weighing sensor with the flowmeter interlock is to control system. The numerical values of the flow meter and the weighing sensor collected by the control system are used for controlling the switches of the corresponding valves on the feeding pipelines of the powder raw material storage tank, the powder feeding tank and the intermediate tank, so that accurate feeding of materials is realized, and the product quality is improved.
A buffer tank is arranged between the material pressing machine and the racking machine, and the buffer tank is provided with a cooling jacket. The buffer tank is provided with a circulating pipeline, and a cooling sleeve is arranged on the outer side of the circulating pipeline. The base material is fully cooled through the cooling jacket and the cooling sleeve, so that the coupling agent and the catalyst are prevented from being aged due to overhigh temperature, and the scalding risk caused by overhigh temperature during packaging is reduced.
And metering pumps are arranged on the feeding pipelines of the cross-linking agent storage tank, the coupling agent storage tank and the catalyst storage tank. The amount of the cross-linking agent, the coupling agent, the catalyst and other auxiliary agents added into the base material is ensured, and the quality of the product is ensured.
The pneumatic gate valve is arranged between the coarse mixing tank and the powder feeding tank, the valve body drift diameter of the pneumatic gate valve is not provided with a groove, a medium cannot be blocked and blocked, and the pneumatic gate valve has the full-drift-diameter circulation characteristic, so that the feeding accuracy is ensured.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
wherein: 1. a premixing tank; 2. a liquid raw material storage tank; 3. a crosslinker reservoir; 4. an intermediate tank; 5. a coarse mixing tank; 6. a powder feeding tank; 7. a screw extruder; 8. a coupling agent storage tank; 9. a catalyst storage tank; 10. a condenser; 11. a material pressing machine; 12. a racking machine; 13. a powder raw material storage tank; 14. an air compressor; 15. a bag-type dust collector; 16. a buffer tank; 17. a circulation pipe; 18. a cooling sleeve; 19. a metering pump; 20. a pneumatic gate valve; 21. a vacuum system.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples.
As shown in fig. 1, a continuous production device of a ketoxime removing type transparent silicone sealant comprises a premixing tank 1 which is communicated with a liquid raw material storage tank 2 and a cross-linking agent storage tank 3 through pipelines respectively, a feeding pipeline of the liquid raw material storage tank 2 is provided with a feeding pump, the premixing tank 1 is communicated with an intermediate tank 4 through a pipeline, and the intermediate tank 4 is communicated to a rough mixing tank 5 through a pipeline; the device comprises a rough mixing tank 5, a powder feeding tank 6, a screw extruder 7, a coupling agent storage tank 8 and a catalyst storage tank 9, wherein the rough mixing tank 5 is communicated with the powder feeding tank 6 through a pipeline, an outlet of the rough mixing tank 5 is communicated with the screw extruder 7 through a pipeline, the screw extruder 7 is respectively communicated with the coupling agent storage tank 8 and the catalyst storage tank 9 through pipelines, an outlet of the screw extruder 7 is communicated with a condenser 10 through a pipeline, an outlet of the condenser 10 is communicated with a material pressing machine 11 through a pipeline, and the material pressing machine 11 is communicated with a racking machine 12 through a pipeline. The premixing tank 1, the rough mixing tank 5 and the screw extruder 7 are all communicated to a vacuum system 21 through pipelines. The premixing tank 1 can premix the liquid raw material and the crosslinking agent in a negative pressure state, the activity of the crosslinking agent is fully excited, the reaction is thorough, the mixing time of the raw materials is prolonged, the mixing effect is better, and the performance index of a product is guaranteed, the premixing tank 5 uniformly mixes and stirs the premixed liquid raw material, the crosslinking agent and the powder raw material and conveys the mixture to the screw extruder 7, the coupling agent and the catalyst are added into a conveying pipeline of the screw extruder 7, the base material is fully and uniformly mixed, the property of the base material is adjusted, then the base material is controlled at a proper temperature through the cooling of the screw extruder 7 and the condenser 10, the cooled base material is conveyed to the racking machine 12 through the material pressing machine 11 for subsequent packaging, the activity of the crosslinking agent is fully activated, and the performance index of the product is improved.
The powder feeding tank 6 is communicated with a powder raw material storage tank 13 through a pipeline, the powder raw material storage tank 13 is communicated with an air compressor 14 through a pipeline, and the powder raw material storage tank 13 is communicated with a bag-type dust collector 15 through a pipeline. A plurality of air inlets are arranged on a pipeline between the powder raw material storage tank 13 and the powder feeding tank 6, a plurality of air inlet pipelines are communicated to the air compressor 14, and the air inlets are obliquely arranged along the advancing direction of the materials. The automatic powder feeding mode is adopted, so that the labor is saved, the damage of dust to the environment and a human body is reduced, the feeding is stable, and the waste of powder raw materials is less.
The powder raw material storage tank 13 and the powder feeding tank 6 are both provided with weighing sensors, a flow meter is arranged between the intermediate tank 4 and the rough mixing tank 5, and the weighing sensors and the flow meter are interlocked to a control system. The numerical values of the flow meter and the weighing sensor collected by the control system are used for controlling the switches of the corresponding valves on the feeding pipelines of the powder raw material storage tank 13, the powder feeding tank 6 and the intermediate tank 4, so that accurate feeding of materials is realized, and the quality of products is improved.
A buffer tank 16 is arranged between the material pressing machine 11 and the racking machine 12, and the buffer tank 16 is provided with a cooling jacket. The buffer tank 16 is provided with a circulating pipeline 17, and a cooling sleeve 18 is arranged on the outer side of the circulating pipeline 17. The circulating pump drives the base material and circulates along circulating line 17, and through cooling jacket and the cooling sleeve 18 abundant cooling to the base material, guaranteed that coupling agent and catalyst can not appear ageing because of the high temperature, the scald risk that the high temperature caused when also having reduced the packing simultaneously.
And metering pumps 19 are arranged on feeding pipelines of the cross-linking agent storage tank 3, the coupling agent storage tank 8 and the catalyst storage tank 9. The amount of the cross-linking agent, the coupling agent, the catalyst and other auxiliary agents added into the base material is ensured, and the quality of the product is ensured.
The pneumatic gate valve 20 is arranged between the rough mixing tank 5 and the powder feeding tank 6, the valve body drift diameter of the pneumatic gate valve 20 is free of grooves, a medium cannot be blocked and blocked, the full-drift-diameter circulation characteristic is achieved, and the feeding accuracy is guaranteed.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. A deketoxime type transparent silicone sealant continuous production device is characterized in that: the system comprises a premixing tank which is communicated with a liquid raw material storage tank and a cross-linking agent storage tank through pipelines respectively, wherein the premixing tank is communicated with an intermediate tank through a pipeline, and the intermediate tank is communicated to a coarse mixing tank through a pipeline;
the device comprises a rough mixing tank, a coupling agent storage tank, a catalyst storage tank, a condenser, a material pressing machine and a sub-packaging machine, wherein the rough mixing tank is communicated with a powder feeding tank through a pipeline;
the premixing tank, the rough mixing tank and the screw extruder are communicated to a vacuum system through pipelines.
2. The apparatus for continuously producing a ketoxime-removing type transparent silicone sealant as claimed in claim 1, wherein: the powder feeding tank is communicated with a powder raw material storage tank through a pipeline, the powder raw material storage tank is communicated with an air compressor through a pipeline, and the powder raw material storage tank is communicated with a bag-type dust collector through a pipeline.
3. The apparatus for continuously producing a ketoxime-removing type transparent silicone sealant as claimed in claim 2, wherein: the pipeline between the powder raw material storage tank and the powder feeding tank is provided with a plurality of air inlets, the air inlets are communicated to the air compressor through pipelines, and the air inlets are obliquely arranged along the advancing direction of the material.
4. The apparatus for continuously producing a ketoxime-removing type transparent silicone sealant as claimed in claim 2, wherein: the powder raw material storage tank with powder throws the material jar and all is equipped with weighing sensor, the intermediate tank with be equipped with the flowmeter between the jar roughly mixed, weighing sensor with the flowmeter interlock is to control system.
5. The apparatus for continuously producing a ketoxime-removing type transparent silicone sealant as claimed in claim 1, wherein: a buffer tank is arranged between the material pressing machine and the racking machine, and the buffer tank is provided with a cooling jacket.
6. The apparatus for continuously producing a ketoxime-removing type transparent silicone sealant as claimed in claim 5, wherein: the buffer tank is provided with a circulating pipeline, and a cooling sleeve is arranged on the outer side of the circulating pipeline.
7. The apparatus for continuously producing a ketoxime-removing type transparent silicone sealant as claimed in claim 1, wherein: and metering pumps are arranged on the feeding pipelines of the cross-linking agent storage tank, the coupling agent storage tank and the catalyst storage tank.
8. The apparatus for continuously producing a ketoxime-removing type transparent silicone sealant as claimed in claim 1, wherein: and a pneumatic gate valve is arranged between the rough mixing tank and the powder feeding tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121737820.0U CN215428702U (en) | 2021-07-28 | 2021-07-28 | Ketoxime-removing type transparent silicone sealant continuous production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121737820.0U CN215428702U (en) | 2021-07-28 | 2021-07-28 | Ketoxime-removing type transparent silicone sealant continuous production device |
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| Publication Number | Publication Date |
|---|---|
| CN215428702U true CN215428702U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121737820.0U Active CN215428702U (en) | 2021-07-28 | 2021-07-28 | Ketoxime-removing type transparent silicone sealant continuous production device |
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| CN (1) | CN215428702U (en) |
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- 2021-07-28 CN CN202121737820.0U patent/CN215428702U/en active Active
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