CN215463940U - Pouring sealant continuous production system - Google Patents
Pouring sealant continuous production system Download PDFInfo
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- CN215463940U CN215463940U CN202120343908.8U CN202120343908U CN215463940U CN 215463940 U CN215463940 U CN 215463940U CN 202120343908 U CN202120343908 U CN 202120343908U CN 215463940 U CN215463940 U CN 215463940U
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Abstract
The utility model provides a pouring sealant continuous production system, wherein methyl silicone oil and vinyl silicone oil stored in a base material tank are fed into a stirring kettle, a thixotropic agent is added into the stirring kettle through a stirring auxiliary agent port, and physical mixing is carried out; discharging the mixture from the stirring kettle to a double-screw conveyer, adding powder into the double-screw conveyer, and heating, stirring and conveying the material in the double-screw conveyer to reduce the hydroxyl value of the surface of the powder; the compound static mixer is used for receiving materials discharged by the double-screw conveyer, the materials are further mixed after passing through the compound static mixer, the materials and the compound auxiliary agent are mixed and sent to the dispersion machine, and the dispersion machine fully stirs and disperses the compound materials, so that various materials are dispersed more uniformly; the hydroxyl of the powder is replaced in the double-screw conveyor, the hydroxyl value is reduced, and the materials are further fully mixed by using the dispersion machine in the compounding stage, so that the acting force between the powder and the oil is enhanced, and the sedimentation amount of the pouring sealant is reduced.
Description
Technical Field
The utility model relates to the field of industrial glue making, and further relates to a pouring sealant continuous production system.
Background
With the development of electronic components towards high integration, high power and high performance, the heat generated inside the electronic components is more obviously accumulated, the internal temperature is too high, the service life and the stability of the product are seriously influenced, and the application of the heat conduction material is generated for solving the series of problems.
The pouring sealant is also called electronic sealant, has excellent weather resistance, electrical insulation and heat resistance, is applied to bonding, sealing, encapsulating and coating protection of electronic components, and is required to have good fluidity and low viscosity which is generally not higher than 2500mPa & s because the gaps of parts of the components are small and are not easy to encapsulate, and most of the commercially available pouring sealants have the thermal conductivity of more than 0.7W/(m & K) and the viscosity of not higher than 2500mPa & s.
When the filler settlement amount of the pouring sealant reaches more than 10% in 30 days, secondary processing is needed before use, working procedures are increased, and the production cost is increased.
For those skilled in the art, how to reduce the sedimentation rate of the potting adhesive is a technical problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a continuous production system of pouring sealant, which replaces hydroxyl of powder in a double-screw conveyor to reduce the hydroxyl value, and further fully mixes the materials by using a dispersion machine in a compounding stage, so that the acting force between the powder and oil is enhanced, and the sedimentation amount of the pouring sealant is reduced, and the specific scheme is as follows:
a pouring sealant continuous production system comprises:
the base material tank is used for respectively and independently storing methyl silicone oil and vinyl silicone oil;
the stirring kettle is provided with a stirring auxiliary agent port for adding a thixotropic agent; the stirring kettle receives the discharged materials conveyed by the base material tank and is used for mixing and stirring the materials in the stirring kettle;
the double-screw conveyer is connected with a powder conveying device for adding powder; the double-screw conveyer is used for receiving the discharged materials conveyed by the stirring kettle, and the double-screw conveyer is used for heating, stirring and conveying the materials in the double-screw conveyer so as to reduce the hydroxyl value of the surface of the powder;
the compound static mixer is used for receiving the materials discharged by the double-screw conveyer and is provided with a compound auxiliary agent port for adding a compound auxiliary agent;
the disperser is used for receiving the materials conveyed by the compound static mixer and stirring and dispersing the materials;
and the output pipelines of the base material tank, the stirring kettle, the double-screw conveyer and the dispersion machine are respectively provided with a power pump for driving materials.
Optionally, the powder conveying device comprises a hose and a pressing wheel, the pressing wheel is mounted on a circulation recovery mechanism, and the circulation recovery mechanism drives the pressing wheel to sequentially and circularly extrude the hose forwards.
Optionally, a powder metering device for metering the powder amount is arranged on the input pipeline of the powder conveying device.
Optionally, metering pumps are respectively arranged on the output pipelines of the base material tank, the stirring kettle and the compound switching valve;
and a rotor pump is arranged on an output pipeline of the double-screw conveyer, and a diaphragm pump is arranged on an output pipeline of the dispersion machine.
Optionally, a compounding switching valve is arranged on an output pipeline of the twin-screw conveyor to form at least two compounding pipelines, and the compounding static mixer and the disperser are arranged on each compounding pipeline.
Optionally, a discharge three-way valve is arranged on a pipeline between the compound switching valve and the double-screw conveyor, a buffer tank is connected to a bypass of the discharge three-way valve, and the buffer tank is used for storing unqualified materials.
Optionally, a preliminary mixing static mixer is arranged between the stirring kettle and the double-screw conveyer, and the stirring kettle is mixed by the preliminary mixing static mixer and then enters the double-screw conveyer.
Optionally, each compounding pipeline further comprises a basket filter, and the basket filter is arranged on the output pipeline of the dispersion machine.
Optionally, the thixotropic agent added from the stirring aid port is one or more of coupling agent KH550, KH560 and KH570 or polyether silicone oil, stearic acid and sodium dodecyl sulfate.
Optionally, the compounding aid added from the compounding aid port is a mixture of premixed vinyl silicone oil and a platinum catalyst, or a mixture of premixed vinyl silicone oil, hydrogen-containing silicone oil, color paste and an inhibitor.
The utility model provides a continuous production system of pouring sealant, which drives materials output from a base material tank, a stirring kettle, a double-screw conveyor and a dispersion machine through a power pump; the base material tanks respectively and independently store methyl silicone oil and vinyl silicone oil, the two base materials are respectively input into the stirring kettle, and a thixotropic agent is added into a stirring auxiliary agent port of the stirring kettle and is in contact with the mixed base materials to carry out physical mixing; discharging the mixture from the stirring kettle to a double-screw conveyer, adding powder into the double-screw conveyer through a powder conveying device, and heating, stirring and conveying the material in the double-screw conveyer to reduce the hydroxyl value of the surface of the powder; the compound static mixer is used for receiving materials discharged by the double-screw conveyer, the materials are further mixed after passing through the compound static mixer, the materials and the compound auxiliary agent are mixed and sent to the dispersion machine, and the dispersion machine fully stirs and disperses the compound materials, so that various materials are dispersed more uniformly; the hydroxyl of the powder is replaced in the double-screw conveyor, the hydroxyl value is reduced, and the materials are further fully mixed by using the dispersion machine in the compounding stage, so that the acting force between the powder and the oil is enhanced, and the sedimentation amount of the pouring sealant is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pouring sealant continuous production system provided by the present invention.
The figure includes:
the device comprises a base material tank 1, a stirring kettle 2, a stirring auxiliary agent port 21, a double-screw conveyer 3, a powder conveying device 31, a powder metering device 32, a primary mixing static mixer 33, a compound static mixer 4, a compound auxiliary agent port 41, a dispersion machine 5, a compound switching valve 6, a discharge three-way valve 7, a cache tank 71 and a basket filter 8.
Detailed Description
The core of the utility model is to provide a continuous production system of pouring sealant, which replaces hydroxyl of powder in a double-screw conveyor to reduce the hydroxyl value, and utilizes a dispersion machine to further fully mix the materials in a compounding stage, thereby enhancing the acting force between the powder and the oil and reducing the sedimentation amount of the pouring sealant.
In order to make those skilled in the art better understand the technical solution of the present invention, the continuous production system of potting adhesive of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of a continuous production system for pouring sealant provided by the present invention, in which various materials move in the directions indicated by arrows; the system comprises a base material tank 1, a stirring kettle 2, a double-screw conveyer 3, a compound static mixer 4, a dispersion machine 5 and other structures, wherein all the structures are positioned on a pipeline for continuously conveying materials.
The base material tank 1 is provided with two or more tank bodies, each tank body is arranged independently, and methyl silicone oil and vinyl silicone oil are stored in the two base material tanks 1 shown in figure 1 independently.
A stirring auxiliary agent port 21 for adding a thixotropic agent is arranged on the stirring kettle 2; the stirring kettle 2 receives the discharged materials conveyed by the base material tank 1 and is used for mixing and stirring the materials in the stirring kettle; be equipped with the blade of stirring in stirred tank 2, during the different types of base material of depositing got into stirred tank 2 in the base material jar 1, opened stirred tank 2's stirring auxiliary agent mouth 21, made thixotropic agent add into stirred tank 2 in, start the blade in stirred tank 2, made methyl silicone oil, vinyl silicone oil and thixotropic agent carry out the physics and mix, preliminary misce bene.
After the materials in the stirring kettle 2 are mixed uniformly, the materials are discharged and conveyed to a double-screw conveyer 3 along a pipeline, and the double-screw conveyer 3 is connected with a powder conveying device 31 for adding powder; the double-screw conveyor 3 is used for receiving the discharged materials conveyed by the stirring kettle 2 and mixing the discharged materials with the powder input by the material conveying device 31, the double-screw conveyor 3 is used for heating, stirring and conveying the materials in the double-screw conveyor 3, so that the granular powder is fully contacted with other materials in a fluid state, chemical reaction is carried out under the heating condition, and the hydroxyl on the surface of the powder is replaced by the thixotropic agent so as to reduce the hydroxyl value on the surface of the powder, enhance the acting force between the powder and oil and reduce the sedimentation rate.
The compound static mixer 4 is used for receiving materials discharged by the double-screw conveyor 3, a compound auxiliary agent port 41 for adding a compound auxiliary agent is arranged on the compound static mixer 4, and the materials discharged by the double-screw conveyor 3 are physically mixed with the compound auxiliary agent added in the compound auxiliary agent port 41 through the compound static mixer 4 and then are sent to the dispersion machine 5.
The disperser 5 is a high-speed disperser and is used for receiving the materials conveyed by the compound static mixer 4, stirring and dispersing the materials, and outputting the materials to form a final pouring sealant product; adding a compounding auxiliary agent into the compounding static mixer 4 to form different products; the disperser 5 physically stirs the materials in the compounding stage to uniformly mix the compounding aids.
The output pipelines of the base material tank 1, the stirring kettle 2, the double-screw conveyer 3 and the dispersing machine 5 are respectively provided with a power pump for driving materials, and each power pump is respectively connected to a DCS (distributed Control System) Control system; each feeding port for controlling feeding is also controlled to be opened and closed by a DCS control system, such as the stirring auxiliary agent port 21, the compounding auxiliary agent port 41 and the like, so that continuous production is realized.
According to the utility model, the base material tank 1, the stirring kettle 2, the double-screw conveyer 3, the dispersion machine 5 and other devices are mutually matched, and the DCS control system realizes automatic control, so that continuous production is realized; because the double-screw conveyor 3 and the dispersion machine 5 are adopted to fully mix materials, the hydroxyl on the outer surface of the powder is more fully converted, the hydroxyl value of the finally produced pouring sealant is lower, the thixotropic agent plays a role of a bridge, the acting force between the powder and an oil body is enhanced, the combination of the oil powder is firmer, and the anti-settling capacity of the pouring sealant is improved.
On the basis of the scheme, the powder conveying device 31 provided by the utility model comprises a hose and one or more pressing wheels, wherein the pressing wheels are arranged on a circulating return mechanism, and the circulating return mechanism drives the pressing wheels to sequentially and circularly extrude the hose forwards so as to convey the powder in the hose forwards.
A powder metering device 32 for metering the powder amount is arranged on an input pipeline of the powder conveying device 31, the powder metering device 32 is positioned in front of the powder conveying device 31, and the powder is weighed and then is driven by the powder conveying device 31 to be conveyed to the double-screw conveyer 3.
Specifically, metering pumps are respectively arranged on the output pipelines of the base material tank 1, the stirring kettle 2 and the compound switching valve 6, and the metering pumps are used for positioning and conveying the materials in a fluid state.
A rotor pump is arranged on an output pipeline of the double-screw conveyor 3, and a diaphragm pump is arranged on an output pipeline of the dispersion machine 5.
On the basis of any one of the technical schemes and the mutual combination thereof, the output pipeline of the double-screw conveyer 3 is provided with a compound switching valve 6, the compound switching valve 6 is at least provided with three interfaces to form at least two compound pipelines, and each compound pipeline is provided with a compound static mixer 4 and a dispersion machine 5. In the structure shown in fig. 1, the compound switching valve 6 adopts a three-way valve to form two compound pipelines, the two compound pipelines are provided with the same components, and different products can be formed when different compound additives are added.
A discharge three-way valve 7 is arranged on a pipeline between the compound switching valve 6 and the double-screw conveyer 3, the discharge three-way valve 7 and the compound switching valve 6 can respectively adjust the on-off of each pipeline, the discharge three-way valve 7 is positioned in front of the compound switching valve 6, a buffer tank 71 is connected to a bypass of the discharge three-way valve 7, and the buffer tank 71 is used for storing unqualified materials; the detection is carried out before the materials are compounded, the materials can enter a compounding pipeline for subsequent operation when the materials are qualified, and the materials enter the buffer tank 71 through the discharge three-way valve 7 when the materials are not qualified so as to be subjected to subsequent treatment.
A primary mixing static mixer 33 is arranged between the stirring kettle 2 and the double-screw conveyer 3, and the stirring kettle 2 is mixed by the primary mixing static mixer 33 and then enters the double-screw conveyer 3; the initial mixing static mixer 33 is located before the twin screw conveyor 3 and the material is further mixed before entering the twin screw conveyor 3.
Each compound pipeline further comprises a basket filter 8, the basket filters 8 are arranged on the output pipeline of the dispersion machine 5, and the basket filters 8 are positioned in front of the diaphragm pumps and used for filtering materials output by the dispersion machine 5.
The thixotropic agent added from the stirring aid port 21 is one or more of coupling agent KH550 (silane coupling agent), KH560 (gamma-glycidoxypropyltrimethoxysilane), KH570 (gamma- (methacryloyloxy) propyltrimethoxysilane) or polyether silicone oil, stearic acid and sodium dodecyl sulfate, and the thixotropic agent plays a role in replacing hydroxyl in the powder.
The compound additive added from the compound additive port 41 is a mixture of premixed vinyl silicone oil and a platinum catalyst, or a mixture of premixed vinyl silicone oil, hydrogen-containing silicone oil, color paste and an inhibitor; two different components are used in the compounding stage, so that two different pouring sealants can be formed.
The utility model herein provides a specific embodiment illustrative:
referring to fig. 1, two base material tanks 1 respectively store methyl silicone oil and vinyl silicone oil, outlet valves of the two base material tanks are respectively connected with a metering pump, 50Kg of methyl silicone oil and 100Kg of vinyl silicone oil are respectively added into a stirring kettle 2 by opening a DCS; 6KgKH560 is added into the stirring kettle 2 from the stirring auxiliary agent port 21, when the liquid level in the stirring kettle 2 reaches 140L, the outlet valves of the two basic material tanks 1 and the stirring auxiliary agent port 21 are closed, the stirring device in the stirring kettle 2 is opened, the rotating speed is set to 300rpm, and the stirring time is 20 min.
Then, an outlet valve of the base material tank 1 is opened, methyl silicone oil is fed according to 3.3Kg/min, an auxiliary agent is fed according to 0.1Kg/min, vinyl silicone oil is fed according to 6.6Kg/min, an outlet valve of the stirring kettle 2 is opened, a metering pump adds the materials in the stirring kettle 2 according to 10Kg/min into a primary mixing static mixer 33, the materials enter from a side inlet of the double-screw conveyer 3 through the primary mixing static mixer 33, silicon micropowder enters into a powder conveying device 31 from a powder metering device 32, and the silicon micropowder enters into the double-screw conveyer 3 at the speed of 1400Kg/h through DCS control.
The parameters of the twin-screw conveyor 3 were set as follows: rotating speed: 500rpm, temperature: the vacuum degree is less than or equal to-95 KPa at 110 ℃; the outlet of the double-screw conveyor 3 is connected with a rotor pump, the rotor pump is connected with a discharge three-way valve 7, the discharge three-way valve 7 is connected with a compound switching valve 6, the compound switching valve 6 is connected with a gear metering pump, the DCS controls the compound switching valve 6 to convey materials to a first compound pipeline at the upper part of the graph 1, the gear metering pump is added into the first compound pipeline at the speed of 2000Kg/h, and a compound static mixer 4 on the first compound pipeline is added with premixed vinyl silicone oil and platinum catalyst at the speed of 160Kg/h from a compound additive port 41. The compound static mixer 4 is connected with a dispersion machine 5, the materials are sent to a basket filter 8 after dispersion and mixing are finished in the dispersion machine 5, the mesh number of a filter screen in the basket filter 8 is 50 meshes, the basket filter 8 is connected with a diaphragm pump, the diaphragm pump is connected with a DCS acquisition and control point, the materials are sent to a packaging machine and packaged according to 25 kg/barrel,
after the compound static mixer 4 is added for 35min, the compound switching valve 6 is switched to add the material into the second compound pipeline below; the parameters of the dispersion machine 5 in the second compound pipeline are set as follows: rotating speed: 600rpm, time: 10min, and the vacuum degree is less than or equal to-95 Kpa. The premixed vinyl silicone oil, hydrogen-containing silicone oil, color paste and inhibitor are added into a compound static mixer 4 in a second compound pipeline, and are added through a compound auxiliary agent port 41 according to 150 Kg/h. Accomplish and send into dispenser 5, dispenser 5 opens through DCS, and the parameter setting is as follows: rotating speed: 550rpm, time: 10min, and the vacuum degree is less than or equal to-95 Kpa. After the preparation is finished, the basket filter 8 is connected, the number of the filter screens in the basket filter 8 is 50 meshes, the basket filter 8 is connected with a diaphragm pump, and the DCS controls the diaphragm pump to send materials to a packaging machine for packaging according to 25 kg/barrel.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a casting glue serialization production system which characterized in that includes:
the base material tank (1) is used for respectively and independently storing methyl silicone oil and vinyl silicone oil;
the stirring device comprises a stirring kettle (2), wherein a stirring auxiliary agent port (21) for adding a thixotropic agent is arranged on the stirring kettle (2); the stirring kettle (2) is used for receiving the discharged materials conveyed by the base material tank (1) and mixing and stirring the materials in the stirring kettle;
the double-screw conveyor (3), the double-screw conveyor (3) is connected with a powder conveying device (31) for adding powder; the double-screw conveyor (3) receives the discharged materials conveyed by the stirring kettle (2), and the double-screw conveyor (3) is used for heating, stirring and conveying the materials in the double-screw conveyor to reduce the hydroxyl value of the surface of the powder;
the compound static mixer (4) is used for receiving materials discharged by the double-screw conveyer (3), and a compound auxiliary agent port (41) for adding a compound auxiliary agent is arranged on the compound static mixer (4);
the disperser (5) is used for receiving the materials conveyed by the compound static mixer (4) and stirring and dispersing the materials;
the base material jar (1), stirred tank (2), double screw conveyer (3) set up the power pump of drive material respectively on the output pipeline of dispenser (5).
2. The continuous pouring sealant production system according to claim 1, wherein the powder conveying device (31) comprises a hose and a pressing wheel, the pressing wheel is mounted on a circulating return mechanism, and the circulating return mechanism drives the pressing wheel to sequentially circulate and extrude the hose forward.
3. The continuous production system of pouring sealant according to claim 1, wherein a powder metering device (32) for metering the amount of powder is disposed on the input pipeline of the powder conveying device (31).
4. The continuous production system of pouring sealant according to any one of claims 1 to 3, wherein a compounding switching valve (6) is disposed on the output pipeline of the twin-screw conveyor (3) to form at least two compounding pipelines, and the compounding static mixer (4) and the disperser (5) are disposed on each of the compounding pipelines.
5. The continuous production system of pouring sealant according to claim 4, wherein the output pipelines of the base material tank (1), the stirring kettle (2) and the compound switching valve (6) are respectively provided with a metering pump;
and a rotor pump is arranged on the output pipeline of the double-screw conveyor (3), and a diaphragm pump is arranged on the output pipeline of the disperser (5).
6. The pouring sealant continuous production system according to claim 5, wherein a discharge three-way valve (7) is arranged on a pipeline between the compound switching valve (6) and the double-screw conveyor (3), a buffer tank (71) is connected to a bypass of the discharge three-way valve (7), and the buffer tank (71) is used for storing unqualified materials.
7. The continuous pouring sealant production system according to claim 6, wherein a primary mixing static mixer (33) is arranged between the stirring kettle (2) and the double-screw conveyor (3), and the stirring kettle (2) enters the double-screw conveyor (3) after being mixed by the primary mixing static mixer (33).
8. The continuous production system of pouring sealant according to claim 6, wherein each of the compound pipelines further comprises a basket filter (8), and the basket filter (8) is disposed on the output pipeline of the dispenser (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120343908.8U CN215463940U (en) | 2021-02-04 | 2021-02-04 | Pouring sealant continuous production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120343908.8U CN215463940U (en) | 2021-02-04 | 2021-02-04 | Pouring sealant continuous production system |
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| Publication Number | Publication Date |
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| CN215463940U true CN215463940U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120343908.8U Active CN215463940U (en) | 2021-02-04 | 2021-02-04 | Pouring sealant continuous production system |
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- 2021-02-04 CN CN202120343908.8U patent/CN215463940U/en active Active
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