CN110142019B - RTV electronic adhesive serial reaction kettle and production method - Google Patents
RTV electronic adhesive serial reaction kettle and production method Download PDFInfo
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- CN110142019B CN110142019B CN201910568197.1A CN201910568197A CN110142019B CN 110142019 B CN110142019 B CN 110142019B CN 201910568197 A CN201910568197 A CN 201910568197A CN 110142019 B CN110142019 B CN 110142019B
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- 239000000853 adhesive Substances 0.000 title claims abstract description 47
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 43
- 238000003756 stirring Methods 0.000 claims abstract description 51
- 238000007599 discharging Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000003292 glue Substances 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 21
- 239000000047 product Substances 0.000 description 13
- 230000000875 corresponding effect Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 6
- 239000012459 cleaning agent Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007863 gel particle Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- -1 polysiloxane Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0073—Sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to a RTV electronic glue serial reaction kettle and a production method, wherein the serial reaction kettle comprises a closable reaction container and a stirrer extending into the reaction container; the bottom of the reaction container is communicated with the discharge container through a channel, an opening and closing device is arranged on the channel, a piston is arranged in the discharge container so as to change the volume and the pressure of the discharge container through the movement of the piston, and the piston is connected with a driving device so as to provide the power for the movement of the piston; the device also comprises an openable discharge port communicated with the discharge container. The invention can effectively realize the reaction and sealed discharging of viscous RTV electronic adhesive, and avoid the problem that the quality is reduced due to the fact that the material contacts with air when being discharged after stirring, thereby ensuring the quality of products; the stirring processing production and the discharging can be synchronously carried out, so that the production efficiency is effectively improved; the cleaning is easier to clean in a closed environment, the frequency of parts which have to be replaced because the cleaning is not thorough due to the bonding problem is greatly reduced, and the use cost is reduced.
Description
Technical Field
The invention belongs to the field of polysiloxane preparation in the chemical field, and particularly relates to an RTV electronic adhesive serial reaction kettle and a production method thereof.
Background
Dealcoholized single-component RTV (room temperature vulcanized silicone rubber) electronic silicon rubber (also called as electronic rubber and silicon rubber for short) is widely used as an adhesive and a coating material in electronic and electric industries, and has the performance requirements of good electrical performance and physical performance after solidification, good adhesion to contacted materials and no corrosion. The product is related to CN102757759A, CN109161204A, CN105038690A, CN107513367A, can be used in MCU photoetching manufacture, and has high value.
Regarding the production and preparation of RTV electronic adhesive, the RTV electronic adhesive is mainly developed on a large intelligent production line at home and abroad at present, as related to CN106751850A, CN103467508A, but due to certain difference in product performance requirements, most of products cannot be produced in large equipment in quantity, and small and medium-scale customized production is required, the production equipment is a traditional intermittent stirring kettle (also called a reaction kettle), the feeding, stirring and discharging are all performed through the stirring kettle, the efficiency is low, in the operation process, particularly, the stirring kettle is required to be opened during discharging after stirring, the materials are transferred to a packaging station, the materials are exposed in the environment in the transfer process, the problems of skinning impurities, gel particles, bubbles, pollution and the like are inevitably caused, the quality of the materials is influenced, unnecessary solid waste and liquid waste are generated, and certain environmental pollution is also caused; the RTV electronic adhesive is severe in viscosity peak during production, the produced finished product needs to be slowly reduced in viscosity in the stirring kettle to be discharged and split, and when the stirring kettle is opened for discharging, the RTV electronic adhesive remained on the inner wall of the accommodating cavity of the stirring kettle, the stirrer and the blades of the stirrer is adhered to the air after being adhered, so that the RTV electronic adhesive is very difficult to clean and remove, and corresponding parts of the stirring kettle are frequently replaced. The whole process of conveying materials in pipelines is also described in CN106751850A to avoid the materials contacting air, but the description of how the viscous RTV electronic adhesive in a stirring kettle (a screw machine in the process) is conveyed is not very detailed, and related structural design is still required to be further refined.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the RTV electronic adhesive serial reaction kettle and the production method thereof, which can avoid the problem that materials can contact air when discharging after stirring, and achieve the effects of effectively realizing sealed discharging, ensuring the product quality and improving the production efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
An RTV electronic glue serial reaction kettle comprises a closable reaction container and a stirrer extending into the reaction container; the bottom of the reaction container is communicated with the discharge container through a channel, an opening and closing device is arranged on the channel to control whether the reaction container is communicated with the discharge container, a piston is arranged in the discharge container to change the volume and the pressure of the discharge container through the movement of the piston, and the piston is connected with a driving device to provide the power for the movement of the piston; the device also comprises an openable discharge port communicated with the discharge container.
The serial reaction kettle can effectively realize sealed discharging of viscous RTV electronic glue, avoid the problem that the quality is reduced due to the fact that materials contact air when the materials are discharged after stirring, and further ensure the quality of products; when the device is used, the opening and closing device is in a closed state firstly so that the reaction container and the discharge container are also in a non-communication state correspondingly, the driving device drives the piston to move to a position close to the channel, and the discharge port is closed; adding raw material components into a reaction container, sealing the reaction container, stirring the reaction container by a stirrer (with blades) extending into the reaction container, obtaining a finished product after stirring, opening the opening and closing device to enable the reaction container to be communicated with a discharge container, driving a piston to move away from the channel by a driving device, enabling the finished product RTV electronic adhesive in the reaction container to enter the discharge container through the channel under the action of negative pressure, closing the opening and closing device again to enable the reaction container and the discharge container to return to a non-communicated state, opening a discharge port, driving the piston to move towards a direction close to the channel by the driving device, compressing the volume of the corresponding side of the discharge container and pressurizing, and extruding and packaging the finished product RTV electronic adhesive from the discharge port. The reaction kettle is not required to be opened for discharging, so that the problem that the quality is reduced due to the fact that a finished product contacts air in a traditional discharging mode of opening the reaction kettle is avoided; it should be noted that, because the reaction vessel is provided with the stirrer, the blade, etc., it is not suitable for directly pressurizing and setting the discharge hole in the reaction vessel to carry out sealed discharge, and the reaction vessel is in negative pressure during stirring, if the pressurizing and discharging function is additionally provided, the switching between negative pressure and positive pressure will put higher structural strength and detail design requirements on the reaction vessel.
Corresponding to the realization of the operation and the function in the use process of the invention, the process of adding raw materials into the reaction vessel can be the traditional process of opening the sealing cover of the reaction vessel for feeding, or the process of preferably arranging a plurality of openable and closable feed inlets on the reaction vessel and correspondingly connecting the raw materials to be added through pipelines, so that the materials in the whole process are not contacted with air, and the effect is better; the channel has certain rigidity to prevent the channel from collapsing under the action of negative pressure to influence the service performance, the channel is preferably a rigid pipeline, and the opening and closing device can be a stop valve on the rigid pipeline; the discharging port can be in a reverse discharging mode or/and side discharging mode, and the specific setting position of the discharging port can be arranged on the channel of one side of the opening and closing device facing the discharging container, or can be arranged at a position close to the channel on the discharging container, and the discharging port can be used for extruding the finished RTV electronic adhesive from the discharging port only when the driving device drives the piston to move in a direction close to the channel according to the specific structure size; the above-mentioned openable and closable feed inlet and discharge outlet may be pipe joints disposed on the corresponding accommodating chambers and connected with pipes externally through the pipe joints, and the shutoff valve may be disposed on the pipe joints (i.e. in the form of angle valve) or on the pipes externally connected with the pipe joints.
The serial reaction kettle has two advantages, namely the production efficiency can be improved, the cleaning is convenient, and the frequency of part maintenance and replacement is reduced. Because the stirring device is connected with the original reaction container in series with a special discharging container for discharging, the stirred finished RTV electronic adhesive enters the discharging container under the action of negative pressure, and after the opening and closing device is closed, the reaction container can be used for stirring and processing production of the next round, and the discharging process is synchronously carried out in the discharging container, so that the production efficiency is improved; the viscosity reduction process before the extrusion of the RTV electronic adhesive can be carried out in a discharging container, so that the next round of stirring processing of the reaction container is not influenced, and the production efficiency is further improved; the cleaning process is similar to the production process, because the RTV electronic adhesive is not exposed (in the form of the openable feed inlet) in the whole process, adhesion which is difficult to clean is not formed at the positions of the inner wall of each accommodating cavity, the stirrer, the blades and the like, when cleaning is needed or the cleaning is carried out regularly, the cleaning agent is fed into the reaction container through the feed inlet, and the production process of stirring and discharging is carried out for one time, so that the production process channel is cleaned, the cleaning of equipment is kept, the quality of products is ensured, the frequency of parts which have to be replaced due to the adhesion problem is greatly reduced, and the use cost is reduced.
Further perfecting the technical scheme, the opening and closing device is provided by a flat gate valve, the reaction vessel and the discharging vessel are respectively and hermetically connected at two ends of a channel hole of the flat gate valve, the channel hole is formed into the channel, and a flashboard in the flat gate valve is perpendicular to the channel hole and can slide to control whether the reaction vessel and the discharging vessel are communicated through the channel hole.
Further, the discharge port is arranged at one end of the discharge container, which is close to the channel hole.
Further, the reaction vessel, the passage hole and the discharge vessel are all arranged vertically and coaxially.
Further, the flat gate valve also comprises a base frame upright post, wherein the flat gate valve is fixedly connected to the middle part of the base frame upright post; the reaction vessel and the discharging vessel are rigid cylinders with upper and lower openings, the lower end of the reaction vessel is connected with the upper end of the passage hole, the upper end of the reaction vessel is buckled with a sealing cover, the sealing cover is connected with a stirring motor, and the stirrer is connected with the stirring motor and penetrates through the sealing cover to extend into the reaction vessel.
Further, the upper end of the discharging container is connected with the lower end of the channel hole; the lower part of the pedestal upright post is provided with a cavity-shaped base, the driving device is a hydraulic oil cylinder and is fixedly connected in the cavity-shaped base, and a telescopic rod of the hydraulic oil cylinder vertically penetrates out of the cavity-shaped base upwards and is connected with the piston.
Further, the sealing cover comprises a lifting plate and a cylindrical cover main body, the cover main body is fixedly connected to one end of the lower surface of the lifting plate, the other end of the lifting plate is provided with a vertical through hole and can be vertically and slidably sleeved on a base frame upright post through the vertical through hole, and the base frame upright post is provided with a lifting driving mechanism and is used for driving the lifting plate to correspondingly control whether the cover main body is buckled with the reaction container or not; the stirring motor is arranged on the upper surface of the lifting plate, and the stirrer penetrates through the lifting plate and the cover main body.
Further, the lifting driving mechanism comprises a horizontal base plate, the horizontal base plate is fixedly connected to the upper portion of the base frame upright post, the horizontal base plate is fixedly connected with a lifting motor, an output shaft of the lifting motor vertically penetrates through a driving hole formed in the lifting plate, and the output shaft and the driving hole are respectively provided with a matched thread in a machining mode and are connected through a thread matching mode.
Further, the cover main body is provided with a plurality of feed inlets which can be opened and closed.
The invention also relates to a RTV electronic adhesive production method, which is carried out based on the RTV electronic adhesive serial reaction kettle; the method comprises the following steps:
1) Closing the flat gate valve to intercept the passage hole, moving the piston to a position close to the flat gate valve, and closing the discharge hole; the sealing cover is buckled with the reaction container;
2) Adding materials into the reaction vessel from the feed inlet according to the requirements, and closing the feed inlet;
3) Starting a stirring motor, and stirring the materials through a stirrer to obtain a finished RTV electronic adhesive;
4) Opening a flat gate valve to enable a channel hole to be communicated, enabling a piston to move downwards, and enabling finished RTV electronic adhesive in a reaction container to enter a discharge container through the channel hole;
5) Closing the flat gate valve to intercept the passage hole, opening the discharge port, moving the piston upwards, and extruding the finished RTV electronic adhesive from the discharge port for packaging.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can effectively realize the sealed discharging of the viscous RTV electronic adhesive, and avoid the problem that the quality is reduced due to the fact that the material contacts with air when the material is discharged after stirring, thereby ensuring the quality of the product.
2. According to the invention, the discharging container special for discharging is arranged, after the stirred finished RTV electronic adhesive enters the discharging container under the action of negative pressure and the opening and closing device is closed, the reaction container can start the stirring processing production of the next round, the discharging process is synchronously carried out in the discharging container, and the production efficiency of the RTV electronic adhesive is effectively improved.
3. Because RTV electronic adhesive is not exposed in the production process, adhesion which is difficult to clean is not formed at the positions of the inner wall of each accommodating cavity, the stirrer, the blades and the like, the cleaning is convenient, the cleaning agent is sent into the reaction container through the feed inlet, and the production process channels can be cleaned by one-time operation according to the production process of stirring and discharging, so that the frequency of parts which have to be replaced due to the adhesion problem is greatly reduced, and the use cost is reduced; solves the cleaning problem of the reaction kettle and the stirrer in a sealing state.
4. The invention has simple structure, reliable use and good integrity, and is convenient to be applied to small and medium-scale production; the application principle method can also be applied to large-scale production equipment and production lines, and is also applicable.
Drawings
FIG. 1 is an isometric view of an RTV electronic adhesive serial reaction kettle according to one embodiment;
FIG. 2 is a schematic cross-sectional view of an RTV electronic adhesive serial reaction kettle according to an embodiment;
The reaction vessel 1, the feed inlet 11, the sealing cover 2, the cover main body 21, the lifting plate 22, the stirrer 23, the stirring motor 24, the movable sealing ring 25, the flat gate valve 3, the upper shell 31, the lower shell 32, the channel hole 33, the oil cylinder 34, the discharge vessel 4, the discharge outlet 41, the driving device 42, the telescopic rod 43, the piston 44, the pedestal column 5, the cavity-shaped base 51, the top plate 52, the lifting driving mechanism 6, the horizontal base plate 61, the lifting motor 62 and the output shaft 63.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Referring to fig. 1 and 2, an RTV electronic glue tandem reactor according to an embodiment includes a closable reaction vessel 1 and a stirrer 23 extending into the reaction vessel 1; the bottom of the reaction vessel 1 is communicated with the discharge vessel 4 through a channel, an opening and closing device is arranged on the channel to control whether the reaction vessel 1 is communicated with the discharge vessel 4, a piston 44 corresponding to the section shape of the discharge vessel 4 is slidably matched in the discharge vessel 4 to change the volume and the pressure of the discharge vessel 4 close to one side of the channel through the movement of the piston 44, and the piston 44 is connected with a driving device 42 to provide the power for the movement of the piston 44; and further comprises an openable and closable discharge port 41 communicating with the discharge container 4.
Wherein the opening and closing device is a flat gate valve 3, the reaction vessel 1 and the discharge vessel 4 are respectively and hermetically connected to two ends of a channel hole 33 of the flat gate valve 3, the channel hole 33 is formed as the channel, and a gate plate in the flat gate valve 3 is perpendicular to the channel hole 33 and can slide to control whether the reaction vessel 1 and the discharge vessel 4 are communicated through the channel hole 33.
Thus, the flat gate valve 3 is used as an intermediate connecting member, has the characteristics required by the channel, and the reaction vessel 1 and the discharge vessel 4 are directly connected with the flat gate valve 3, so that the channel is short, no pipeline exists, the result is compact, the space occupation is reduced, the operation is convenient, the flat gate valve 3 is used as a mature product, the basic structure is that the flat gate valve 3 is provided with a channel hole 33 for connecting and communicating pipelines at two ends, a flashboard is arranged in the flat gate valve 3, and the flashboard can slide and is perpendicular to the channel hole 33 to control the opening and closing of the channel hole 33, and the use of the opening and closing functions is very reliable. In practice, a manual, pneumatic or electric flat gate valve can be selected, and the RTV electronic adhesive is viscous, so that the flat gate valve in a hydraulic driving mode is preferred in the embodiment, and the oil cylinder 34 is connected with the gate plate through the driving of the valve rod to ensure that the gate plate slides reliably and in place. The reaction vessel 1 and the discharging vessel 4 are connected and communicated at two ends of the channel hole 33, can be in the form of bolting by uniformly distributed bolts and flanges, and the butt joint surface is provided with a sealing ring to ensure sealing connection, and can also be in the form of rotationally buckling back and forth by matched convex edges and buckling grooves uniformly distributed on the butt joint surface, so that the disassembly and the assembly are more convenient.
Wherein the discharge port 41 is disposed at one end of the discharge container 4 near the channel hole 33. In this way, for the sake of cost, the existing flat gate valve 3 can be purchased and used, and the discharge port 41 is provided on the self-designed discharge container 4, so that the manufacturing is facilitated, and the finished RTV electronic paste can be extruded from the discharge port 41 as much as possible at one end of the discharge container 4 close to the channel hole 33.
Wherein, the reaction vessel 1, the passage hole 33 and the discharge vessel 4 are all arranged vertically and coaxially. Thus, the blanking is convenient, and the stirred finished RTV electronic adhesive can enter the discharging container 4 more quickly and completely under the action of negative pressure and gravity.
The flat gate valve comprises a base frame upright post 5, and is characterized by further comprising a flat gate valve 3 fixedly connected to the vertical middle position of the base frame upright post 5; the reaction vessel 1 and the discharging vessel 4 are rigid cylinders with upper and lower openings, preferably have equal inner diameters and correspond to the inner diameter of the channel hole 33, the lower end of the reaction vessel 1 is connected with the upper end of the channel hole 33, the upper end of the reaction vessel 1 is buckled with a sealing cover 2, the sealing cover 2 is connected with a stirring motor 24, and the stirrer 23 is in transmission connection with the stirring motor 24 and penetrates through the sealing cover 2 to extend into the reaction vessel 1.
Therefore, the human-machine efficacy is improved by combining the detailed design of the experience in the use process, so that the integrity is better, and the operation and the use are convenient; the designed pedestal upright 5 determines a carrier with an integral structure, and the flat gate valve 3 is fixedly connected to the pedestal upright 5 and can be used as an intermediate carrier to connect the reaction vessel 1 and the discharge vessel 4 up and down. In the embodiment, the oil cylinder 34 of the flat gate valve 3 is connected with the radially split upper and lower shells through a flange structure at one end of the oil cylinder 34, and is also connected with the base frame upright 5 through the flange structure, and the other end of the oil cylinder 34 passes through a horizontal through hole formed in the base frame upright 5, so that the space can be saved and the stability can be maintained; the upper and lower shells are horizontally buckled up and down to form a vertical channel hole 33, gaps for sliding the flashboard are arranged on the opposite surfaces of the upper and lower shells, the flashboard and the valve rod are movably arranged in the gaps, and the upper and lower shells are also bolted through a plurality of vertical bolts arranged at intervals along the edges; the design of the integral strength can ensure effective use.
Wherein the upper end of the discharging container 4 is connected with the lower end of the channel hole 33; the lower part of the pedestal upright 5 is provided with a cavity-shaped base 51, in particular to a part below the flat gate valve 3 and the discharging container 4, the driving device 42 is a hydraulic cylinder and is fixedly connected in the cavity-shaped base 51, and a telescopic rod 43 of the hydraulic cylinder vertically penetrates out of the cavity-shaped base 51 and is connected with a piston 44 in the discharging container 4.
Thus, the center of gravity of the whole body is lowered, the whole body can be more stable by placing the cavity-shaped base 51 on the ground, and working noise is reduced. In practice, for convenience in assembly and maintenance, the cavity-shaped base 51 may be a square hollow cavity as in the present embodiment, and its lower end and one side wall are designed to be open for installing and maintaining the hydraulic cylinder, the hydraulic cylinder is fixedly connected to the lower surface of the top plate 52 of the cavity-shaped base 51, and a hole is formed in the top plate 52 for extending the telescopic rod 43 of the hydraulic cylinder and driving and connecting the piston 44 in the discharge container 4; the pedestal pillar 5 is preferably fixedly connected to a side wall opposite to the open side of the cavity-shaped base 51; in order to ensure more safety, a protective door can be hinged to the end face of the top plate 52 on the open side of the cavity-shaped base 51, and when not in use, the protective door can rotate to a vertical state by means of dead weight and shields the open side of the cavity-shaped base 51.
The sealing cover 2 comprises a lifting plate 22 and a cylindrical cover main body 21, wherein the cover main body 21 is fixedly connected to one end of the lower surface of the lifting plate 22, and a plurality of openable and closable feed inlets 11 are formed in the cover main body 21; the other end of the lifting plate 22 is provided with a vertical through hole, the vertical through hole is sleeved on the base frame upright post 5 in a vertically sliding manner, the horizontal section of the base frame upright post 5 is square, the vertical through hole is also a corresponding square hole so as to play a role in rotation control, and the base frame upright post 5 is provided with a lifting driving mechanism 6 which is used for driving the lifting plate 22 to move up and down so as to correspondingly control whether the lower end of the cover main body 21 is buckled with the upper end of the reaction container 1 in a sealing manner; the stirring motor 24 is arranged on the upper surface of the lifting plate 22, the stirrer 23 penetrates through the lifting plate 22 and the cover main body 21, namely, the upper end of the stirrer 23 is in transmission connection with the stirring motor 24, and the lower end of the stirrer penetrates through the lifting plate 22 and the cover main body 21 and stretches into the reaction vessel 1.
In this way, the lifting of the sealing cover 2 can be controlled more conveniently, the corresponding function is to control whether the sealing cover 2 is buckled with the reaction container 1 or not, the lifting driving mechanism 6 drives the lifting plate 22 to move downwards to the design position, the lower end of the cover main body 21 is in sealing buckling with the upper end of the reaction container 1, when the sealing cover is implemented, the buckling area can be increased by arranging the convex edge at the lower end of the cover main body 21 and the upper end of the reaction container 1 as in the embodiment, the sealing ring can be arranged between the buckling surfaces to ensure the sealing effect, the stirrer 23 penetrates through the lifting plate 22 and the cover main body 21, and the movable sealing ring 25 can be correspondingly arranged for sealing the sealing effect. Although the whole use process is described before, the reaction vessel 1 can not be opened to avoid physical exposure, the lifting driving mechanism 6 is designed to drive the lifting plate 22 to move upwards so as to open the reaction vessel 1, so that the man-machine efficiency is improved, the assembly is convenient, and the maintenance and the part replacement are convenient; the degree of automation can also be improved, and the sealing cover 2 does not need to be manually buckled.
The lifting driving mechanism 6 comprises a horizontal substrate 61, the horizontal substrate 61 is fixedly connected to the upper portion of the base frame upright 5, a lifting motor 62 is fixedly connected to the horizontal substrate 61, an output shaft 63 of the lifting motor 62 vertically penetrates through a driving hole formed in the lifting plate 22, and adaptive threads are respectively machined on the output shaft 63 and the driving hole and are in fit connection through thread transmission. In this way, the output shaft 63 is driven to rotate by the lifting motor 62, the lifting motor 62 and the output shaft 63 cannot move vertically, the threads on the output shaft 63 can drive the lifting plate 22 to slide vertically, and the forward and reverse rotation of the lifting motor 62 correspondingly realizes the lifting action of the lifting plate 22. The horizontal base plate 61 can be above or below the lifting plate 22, and the corresponding output shaft 63 can pass through the lifting plate 22 from top to bottom or from bottom to top, so that functions can be realized; in this embodiment, the horizontal substrate 61 is optionally disposed at the top end of the base frame upright 5, that is, above the lifting plate 22, so that the lifting plate 22 can be prevented from falling off when sliding upwards along the base frame upright 5, and the lifting plate 22 is limited in descending by the buckling height of the cover main body 21, so long as the length of the output shaft 63 is properly designed, the lifting plate 22 will not fall off the output shaft 63 when descending, thereby ensuring reliable use.
In this embodiment, the upper housing 31 of the reaction vessel 1 and the flat gate valve 3 is rotationally fastened by adopting the form of convex edges and fastening grooves so as to facilitate assembly and disassembly, specifically, four convex edges are uniformly distributed around the lower end face of the reaction vessel 1, the upper surface of the upper housing 31 is convexly provided with a circle of circular ring and is coaxial with the channel hole 33, the inner diameter of the circular ring corresponds to the outer diameter of the four convex edges, the upper end face of the circular ring is uniformly distributed inwards to form four inner edges, the fastening grooves are formed between the lower surface of the inner edges and the upper surface of the upper housing 31, when in use, the reaction vessel 1 is placed down, the four convex edges at the lower end of the reaction vessel 1 pass through the gaps between the four inner edges, the lower end face of the reaction vessel 1 is attached to the upper surface of the upper housing 31 (a sealing ring can be additionally arranged between the facing surfaces), the four convex edges at the lower end of the reaction vessel 1 are enabled to enter into the fastening grooves below the four inner edges so as to realize sealing connection, and if the rotation process is hoped to have the effect of gradually locking, the upper surface of the convex edges or the lower surface of the inner edges and the lower surface of the inner edges are enabled to have the function of gradually locking and similar to screw connection. The lower housing 32 of the discharge container 4 and the flat gate valve 3 are also connected by the same structure.
The invention also provides a RTV electronic adhesive production method, which is carried out based on the RTV electronic adhesive serial reaction kettle; the method comprises the following steps:
1) Closing the flat gate valve 3 to intercept the passage hole 33, moving the piston 44 in the discharge container 4 up to a position near the top dead center of the flat gate valve 3, and closing the discharge port 41; the sealing cover 2 is buckled with the reaction vessel 1;
2) Adding the base material and the component materials into the reaction vessel 1 from a plurality of feed openings 11 on the cover main body 21 as required, and closing the feed openings 11;
3) Starting a stirring motor 24, stirring materials through a stirrer 23, controlling parameters such as temperature, negative pressure and the like, and reacting in a reaction container 1 to obtain a finished RTV electronic adhesive;
4) Opening the flat gate valve 3 to enable the channel hole 33 to be communicated, enabling the piston 44 to move downwards, and enabling the finished RTV electronic adhesive in the reaction container 1 to enter the discharging container 4 through the channel hole 33;
5) The flat gate valve 3 is closed to intercept the passage hole 33, the discharge port 41 is opened, the piston 44 is moved upward, and the finished RTV electronic paste is pressed out from the discharge port 41 for packaging.
The method applies the RTV electronic glue serial reaction kettle of the embodiment, and can achieve the corresponding effect when in use.
To facilitate an understanding of the process and effect, the following is further described in relation: the RTV electronic adhesive production method comprises a powder output pump, a powder bin and a powder metering tank which are connected in sequence through pipelines besides the main innovation part of the RTV electronic adhesive production method which is applied to the serial reaction kettle; the white carbon black powder output pump, the white carbon black powder bin and the white carbon black powder metering tank are connected through a pipeline in sequence; the liquid material storage tank is connected with the liquid material metering tank through a pipeline; the slow-release equipment is connected with the pipeline in sequence; the outlets of the powder metering tank, the white carbon black powder metering tank and the liquid metering tank are respectively connected to a feed inlet 11 on the reaction vessel 1 through pipelines, or can be connected to a feeder firstly and then connected to the feed inlet 11 on the reaction vessel 1; the auxiliary agent metering tank is also arranged, and the outlet of the auxiliary agent metering tank is connected with a feed inlet 11 on the reaction vessel 1 through a pipeline; the slow-assembling equipment comprises a filter and a split charging device, wherein a discharge hole 41 on the discharge container 4 is connected with the filter, and the filter is connected with the split charging device.
During production, the flashboard of the flat gate valve 3 is closed, the passage hole 33 is cut off, the piston 44 moves upwards to a position close to the flashboard, and the discharge port 41 is closed; the sealing cover 2 is buckled downwards to seal the reaction vessel 1; opening the feed inlet 11, adding each material into the reaction vessel 1 through the feed inlet 11, and closing the feed inlet 11; starting a stirring motor 24, and fully mixing, dispersing, grinding and reacting all materials in the reaction container 1 to obtain a finished RTV electronic adhesive; in the stirring process, air in the closed reaction container 1 can be pumped out according to the design requirement, so that stirring is performed under negative pressure, and nitrogen can be introduced into the reaction container 1 according to the design requirement, but still the negative pressure state is maintained; after stirring, standing, then opening a flashboard of the flat gate valve 3 to enable the channel hole 33 to be completely communicated, enabling the piston 44 to move downwards, enabling finished RTV electronic adhesive in the reaction container 1 to enter the discharge container 4 through the channel hole 33 under the action of dead weight and negative pressure, and enabling the stirring motor 24 to be started in the process, namely enabling the RTV electronic adhesive to smoothly enter the discharge container 4 by means of multiple actions of downward rotation of the stirrer 23 (comprising helical blades) to the head, dead weight of materials and negative pressure; closing the flashboard of the flat gate valve 3 again, cutting off the channel hole 33, opening the discharge port 41, moving the piston 44 upwards to compress the volume of the corresponding side of the discharge container 4 and pressurizing, extruding the finished RTV electronic adhesive from the discharge port 41, filtering, and then entering a sub-packaging device for sub-packaging to obtain the final product.
The whole production process avoids the problem that the quality of the materials is reduced due to contact with air, and the discharging process is clear and effective.
In step 5), the flashboard of the flat gate valve 3 is closed again, after the channel hole 33 is cut off, the stirring processing production of the next round in the reaction vessel 1 is started while the discharging vessel 4 discharges, and the stirring processing production is synchronously carried out, so that the production efficiency is improved.
In the production process, RTV electronic adhesive is not exposed, adhesion which is difficult to clean is not formed at the positions of the inner wall of each container, the stirrer 23, the blades and the like, the cleaning is convenient, the cleaning agent is fed into the reaction container 1 through the feed inlet 11, the production process is operated for one time according to stirring and discharging, the production process channels can be cleaned completely, the frequency of parts which have to be replaced due to the adhesion problem is greatly reduced, and the use cost is reduced. Step 6) cleaning the production process channel can also be included; after the finished RTV electronic adhesive is pressed out from the discharge hole 41, the discharge hole 41 is closed; adding a cleaning agent into the reaction vessel 1 from the feed inlet 11, and closing the feed inlet 11; starting a stirring motor 24 to stir and clean, opening a flat gate valve 3 to enable a channel hole 33 to be communicated after the time length requirement is met, enabling a piston 44 to move downwards, and enabling a cleaning agent in a reaction container 1 to enter a discharge container 4 through the channel hole 33; the flat gate valve 3 is closed to intercept the passage hole 33, the discharge port 41 is opened, and the piston 44 is moved upward to press the used detergent out of the discharge port 41.
In practice, the feed inlet 11 may be provided in the reaction vessel 1, and the use process is the same.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (5)
1. An RTV electronic glue serial reaction kettle comprises a closable reaction container and a stirrer extending into the reaction container; the method is characterized in that: the bottom of the reaction container is communicated with the discharge container through a channel, an opening and closing device is arranged on the channel to control whether the reaction container is communicated with the discharge container, a piston is arranged in the discharge container to change the volume and the pressure of the discharge container through the movement of the piston, and the piston is connected with a driving device to provide the power for the movement of the piston; the device also comprises an openable discharge port communicated with the discharge container;
the shutter in the flat gate valve is perpendicular to the channel hole and can slide to control whether the reaction container and the discharge container are communicated through the channel hole;
the discharge port is arranged at one end of the discharge container, which is close to the channel hole;
the reaction vessel, the channel hole and the discharge vessel are all arranged vertically and coaxially;
The flat gate valve is fixedly connected to the middle of the base frame upright post; the reaction vessel and the discharge vessel are rigid cylinders with upper and lower openings, the lower end of the reaction vessel is connected with the upper end of the passage hole, the upper end of the reaction vessel is buckled with a sealing cover, the sealing cover is connected with a stirring motor, and the stirrer is connected with the stirring motor and extends into the reaction vessel through the sealing cover;
the upper end of the discharging container is connected with the lower end of the channel hole; the lower part of the pedestal upright post is provided with a cavity-shaped base, the driving device is a hydraulic oil cylinder and is fixedly connected in the cavity-shaped base, and a telescopic rod of the hydraulic oil cylinder vertically penetrates out of the cavity-shaped base upwards and is connected with the piston;
The cavity-shaped base is a square hollow cavity, the lower end and one side wall of the cavity-shaped base are designed to be opened so as to install and maintain the hydraulic cylinder, the hydraulic cylinder is fixedly connected to the lower surface of a top plate of the cavity-shaped base, and a hole is formed in the top plate so that a telescopic rod of the hydraulic cylinder extends out and is in transmission connection with a piston in the discharging container; the pedestal upright post is fixedly connected with the side wall opposite to the open side of the cavity-shaped base; a protective door is hinged to the end face of the top plate at the opening side of the cavity-shaped base, and the protective door rotates to a vertical state by means of dead weight and shields the opening side of the cavity-shaped base;
The flat gate valve is a hydraulic driving type flat gate valve, an oil cylinder of the flat gate valve is connected with the flashboard through a valve rod in a driving way,
The oil cylinder of the flat gate valve is connected with the upper and lower shells of the radially split flat gate valve through a flange structure at one end of the oil cylinder, and is also connected with the upright post of the base frame through the flange structure, and the other end of the oil cylinder penetrates through a horizontal through hole formed in the upright post of the base frame; the upper and lower shells of the flat gate valve are horizontally buckled up and down to form vertical passage holes, gaps for sliding the gate plates are arranged on the opposite surfaces of the upper and lower shells, the gate plates and the valve rod are movably arranged in the gaps, and the upper and lower shells are also bolted through a plurality of vertical bolts arranged at intervals along the edges;
four convex edges are uniformly distributed around the lower end face of the reaction vessel, a circle of circular ring is arranged on the upper surface of the upper shell in a protruding mode and is coaxial with the channel hole, the inner diameter of the circular ring corresponds to the outer diameter of the four convex edges, four inner edges are uniformly distributed and protruded inwards on the upper end face of the circular ring, a buckling groove is formed between the lower surface of the inner edges and the upper surface of the upper shell, the lower end face of the reaction vessel is attached to the upper surface of the upper shell, the four convex edges enter the buckling grooves below the four inner edges to realize sealing connection, and the upper surfaces of the convex edges or/and the lower surfaces of the inner edges are inclined surfaces.
2. The RTV electronic glue serial reaction kettle according to claim 1, wherein: the sealing cover comprises a lifting plate and a cylindrical cover main body, the cover main body is fixedly connected to one end of the lower surface of the lifting plate, the other end of the lifting plate is provided with a vertical through hole and is sleeved on a base frame upright post in a vertically sliding manner through the vertical through hole, and the base frame upright post is provided with a lifting driving mechanism and is used for driving the lifting plate to correspondingly control whether the cover main body is buckled with the reaction container or not; the stirring motor is arranged on the upper surface of the lifting plate, and the stirrer penetrates through the lifting plate and the cover main body.
3. The RTV electronic glue serial reaction kettle according to claim 2, wherein: the lifting driving mechanism comprises a horizontal substrate, the horizontal substrate is fixedly connected to the upper portion of the base frame upright post, a lifting motor is fixedly connected to the horizontal substrate, an output shaft of the lifting motor vertically penetrates through a driving hole formed in the lifting plate, and adaptive threads are respectively machined on the output shaft and the driving hole and are connected through threads.
4. A series-type reaction kettle for RTV electronic glue according to claim 2 or 3, characterized in that: the cover main body is provided with a plurality of feed inlets which can be opened and closed.
5. A RTV electronic adhesive production method is characterized in that: the method is carried out based on the RTV electronic glue serial reaction kettle of claim 4; the method comprises the following steps:
1) Closing the flat gate valve to intercept the passage hole, moving the piston to a position close to the flat gate valve, and closing the discharge hole; the sealing cover is buckled with the reaction container;
2) Adding materials into the reaction vessel from the feed inlet, and closing the feed inlet;
3) Starting a stirring motor, and stirring the materials through a stirrer to obtain a finished RTV electronic adhesive;
4) Opening a flat gate valve to enable a channel hole to be communicated, enabling a piston to move downwards, and enabling finished RTV electronic adhesive in a reaction container to enter a discharge container through the channel hole;
5) Closing the flat gate valve to intercept the passage hole, opening the discharge port, moving the piston upwards, and extruding the finished RTV electronic adhesive from the discharge port for packaging.
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