CN112090319A - Preparation method of epoxy coiled material joint mixture - Google Patents
Preparation method of epoxy coiled material joint mixture Download PDFInfo
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- CN112090319A CN112090319A CN202010821154.2A CN202010821154A CN112090319A CN 112090319 A CN112090319 A CN 112090319A CN 202010821154 A CN202010821154 A CN 202010821154A CN 112090319 A CN112090319 A CN 112090319A
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- epoxy resin
- stirring device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2214—Speed during the operation
- B01F35/22142—Speed of the mixing device during the operation
- B01F35/221422—Speed of rotation of the mixing axis, stirrer or receptacle during the operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/31—Couplings
Abstract
The invention discloses a preparation method of an epoxy coil joint mixture, which comprises the following specific steps: ensuring the drying of the interior of the original stirring device main body, introducing powder into the stirring device through a first feeding hole according to the mixing proportion, and controlling a main motor to uniformly rotate to obtain uniformly premixed powder; a certain amount of liquid material is weighed according to the formula and added into a stirring device, and the proportion of the added powder material and the liquid material is controlled, so that the internal raw materials are uniformly stirred. The rotation speed sensor detects the change of the rotation speed of the stirring rod, transmits a signal to the central processing unit, then the central processing unit controls the current control module to work, the current signal, the current feedback signal and the like are integrated conveniently through the plurality of input ends, the rotation speed of the main stirring blade and the arc-shaped stirring blade in the stirring device main body is accelerated, the first stirring blade and the second stirring blade start to rotate, the internal stirring is not influenced by consistency, and the uniform mixing of raw materials is better realized.
Description
Technical Field
The invention relates to the field of joint mixture, in particular to a preparation method of an epoxy coil joint mixture.
Background
The acid and alkali resistant epoxy coiled material is a novel floor material in the terrace industry, a polymer composite material is prepared by using an elastomer toughening epoxy resin and polyurethane compound resin system as a matrix, using glass fiber for toughening and reinforcing, and using a special curing process, in the process of laying construction, gaps between adjacent coiled materials need to be filled by adopting a joint mixture, and along with improvement of living standard and cognition of people, the coiled material joint mixture is also developed from initial white cement to the current mainstream polymer coiled material joint mixture.
The existing joint mixture needs to be stirred in the production process, however, the judgment on the uniform stirring degree has no absolute standard, the existing stirring device cannot meet the stirring requirement in the production of the joint mixture, and the compression strength and the bending strength of the joint mixture are seriously influenced in the preparation and stirring processes of the joint mixture because of too many variable factors, including the proportion of powder to liquid, the mass ratio of epoxy resin emulsion to epoxy resin curing agent and the like;
the proportion of powder and liquid plays a key role and is the key for synthesizing the joint mixture, too much powder influences stirring due to too large consistency, and the synthesis of the finished product of the joint mixture is further influenced; in addition, when the mass ratio of the epoxy resin emulsion to the epoxy resin curing agent is more than or equal to 1.80, the consistency of the joint mixture is the largest, the stirring is difficult, the stirring speed cannot be controlled to be increased at the moment when the consistency is reached by the conventional stirring device, the stirring force of the stirring device can be caused by the stirring difficulty, a motor is damaged, the stirring can be completed only at a constant speed by the conventional stirring, the uniform stirring cannot be better realized, the quality of the synthesized joint mixture is poor, and the compression strength and the rupture strength of the joint mixture are seriously influenced.
Disclosure of Invention
The invention mainly aims to provide a preparation method of an epoxy coil joint mixture, which is convenient for integrating current signals, current feedback signals and the like through a plurality of input ends and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the preparation method of the epoxy coil joint mixture comprises the following specific steps:
s1: ensuring the drying of the interior of the original stirring device main body, introducing powder into the stirring device through a first feeding hole according to the mixing proportion, and controlling a main motor to uniformly rotate to obtain uniformly premixed powder;
s2: weighing a certain amount of liquid material according to a formula, adding the liquid material into a stirring device, controlling the proportion of added powder and liquid material, and controlling an electric cabinet to uniformly stir the internal raw materials to obtain the joint mixture;
in the step S2, the ratio of the powder material to the liquid material is controlled to be constant, and when the ratio of the epoxy resin emulsion to the epoxy resin curing agent in the added liquid is controlled to be increased, the compressive strength and the flexural strength of the joint mixture can be realized, when the mass ratio of the epoxy resin emulsion to the epoxy resin curing agent is greater than or equal to 1.80, the consistency of the joint mixture is the largest and the stirring is difficult, at this time, the stirring speed of the main motor is influenced, the set rotation speed sensor detects the change of the rotation speed of the stirring rod and transmits a signal to the central processing unit, then the central processing unit controls the operation of the current control module, firstly, the current control module feeds information back to the main motor controller, so that the current transmitted to the main motor is increased, the rotation speed of the main motor is increased, then, the current control module respectively controls the starting switch of the first motor and the starting, and then control a motor and No. two motor work, at this moment, the inside main stirring leaf of agitating unit main part is accelerated with arc stirring leaf rotational speed, and a stirring leaf begins to rotate with No. two stirring leaves for inside stirring does not receive the consistency to influence, realizes the misce bene between the inside raw materials, the homogeneous mixing of better realization raw materials.
Furthermore, the current control module can regulate the current of the circuit and synthesize a current signal, a current feedback signal and other signals; the high-voltage power amplifier comprises resistors R1-R10, sliding varistors R11, capacitors C1-C4, an amplifier A, a diode VD1 and a diode VD2, wherein a pin 1 of the amplifier A is connected with a cathode of the diode VD2, a pin 10 of the amplifier A is connected with an anode of the diode VD2, an anode and a cathode of the diode VD2 are respectively connected with a cathode and an anode of the diode VD1, a pin 4 of the amplifier A is connected with a pin 5 and a pin 8 of the amplifier A, a pin 6 of the amplifier A is connected with an external input end, a capacitor C2 and a resistor R4 are connected between a pin 3 and a pin 9 of the amplifier A, a pin 2 of the amplifier A is grounded, a pin 7 of the amplifier A is connected with the external input end, the pin 7 of the amplifier A is also connected with a sliding rheostat R11, one end of the sliding rheostat R11 is connected with a resistor R8, and the other end of the R8 is grounded, the slide bar of the slide rheostat R11 is connected with a capacitor C3, the capacitor C3 is also connected with a resistor R7, two ends of the resistor R7 are connected in parallel with a resistor R10, the other end of the resistor R7 is connected with the anode of a diode VD2, the negative electrode of the diode VD1 is connected with a resistor R2, the resistor R2 is connected with a resistor R1, the resistor R1 is connected with an external input end Uf1, a capacitor C1 is connected between the connection part of the resistor R1 and the resistor R2, the other end of the capacitor C1 is grounded, the resistor R7 is also connected with a resistor R6, the resistor R6 is connected with a resistor R5, the other end of the resistor R5 is connected with an external input end Un, the connection part of the resistor R5 and the resistor R6 is connected with a capacitor C4, the other end of the resistor C4 is grounded, the anode of the diode VD1 is connected with a resistor R3, one end of the resistor R3 is grounded and externally connected with an input end respectively, and two ends of the resistor R3 are connected with a resistor R9 in parallel.
Further, the powder material comprises quartz sand, shell powder and polysiloxane, the liquid material comprises epoxy resin emulsion, epoxy resin curing agent, resin adhesive and isopropanol, and the weight parts are as follows: 50-100 parts of quartz sand, 100-300 parts of shell powder, 10-30 parts of polysiloxane, 400 parts of epoxy resin emulsion, 100-300 parts of epoxy resin curing agent, 50-150 parts of resin adhesive and 50-200 parts of isopropanol.
Further, the epoxy resin emulsion is milky water-based epoxy resin liquid, the epoxy resin curing agent is nonionic water-based epoxy resin curing agent liquid, the solid content of the liquid is 48.6-56.7%, the mesh number of the quartz sand is 120-160 meshes, and the mesh number of the shell powder is 200-300 meshes.
The invention also provides an acid and alkali resistant epoxy coiled material joint mixture stirring device, which comprises a stirring device main body and an upper cover, wherein the upper end of the stirring device main body is fixedly provided with an upper mounting flange, the lower end of the upper cover is fixedly provided with a lower mounting flange, and the upper mounting flange is fixedly connected with the lower mounting flange through bolts, and the acid and alkali resistant epoxy coiled material joint mixture stirring device is characterized in that: the electric cabinet is fixedly installed at the upper end of the upper cover, the control panel is fixedly installed on the outer surface of the front end of the electric cabinet, the first feed port, the second feed port and the third feed port are also formed in the upper end of the upper cover and are all located at the front end of the electric cabinet, the protective partition plate is fixedly installed on the outer surface of the bottom end of the stirring device main body, and the first motor and the second motor are respectively and fixedly installed on two sides of the protective partition plate;
in the step S2, in order to keep the ratio of the powder to the liquid constant, according to the blending requirement, the powder is added through the first feed inlet, the liquid is added through the second feed inlet, and the epoxy resin emulsion and the epoxy resin curing agent are added through the third feed inlet so as to satisfy the mass ratio of 1.80 or more;
the electric cabinet is electrically connected with the control panel, and the control panel is common in the prior art and used for controlling various control operations inside the electric cabinet.
Further, the upper end fixed mounting of electric cabinet has main motor, the pivot of main motor runs through in the inside of electric cabinet, the lower extreme fixed mounting of main motor pivot has the puddler, the lower extreme central point of upper cover puts fixed mounting and has the sleeve pipe, and the puddler runs through in sheathed tube inside, install main stirring leaf on the puddler, the lower extreme fixed mounting of puddler has arc stirring leaf, and puddler, main stirring leaf and arc stirring leaf all are located the inside of agitating unit main part.
Further, the inside fixed mounting of electric cabinet has the PCB board, fixed mounting has central processing unit, main motor controller and current control module on the PCB board, and the input of main motor controller and current control module all with central processing unit's output electric connection, the lower extreme of current control module is connected with motor starting switch and No. two motor starting switches through the wire, and the equal fixed mounting of motor starting switch and No. two motor starting switches in the inside of electric cabinet, motor starting switch and No. two motor starting switches's input all with current control module's output electric connection, current control module's output still with the input electric connection of main motor controller, main motor controller passes through the wire with main motor and is connected.
Further, the inside fixed mounting of sheathed tube has speed sensor, speed sensor's output and central processing unit's input electric connection.
Further, the bottom of agitating unit main part communicates with each other and is connected with the bin outlet, install the automatically controlled valve on the bin outlet, the input and the output electric connection of central processing unit of automatically controlled valve.
Further, fixed mounting has a stirring leaf in the pivot of a motor, fixed mounting has a stirring leaf No. two in the pivot of No. two motors, and a stirring leaf all are located the inside of agitating unit main part, a motor passes through the wire with a motor starting switch and is connected, No. two motors pass through the wire with No. two motor starting switches and are connected.
Further, the inside of protection baffle is provided with zone of heating and heat preservation, the inside of zone of heating runs through and is provided with a plurality of heater strips of group, the inside fixed mounting of heat preservation has the rock wool board.
Compared with the prior art, the invention has the following beneficial effects:
weighing a certain amount of liquid material according to the formula, adding into a stirring device, controlling the ratio of the added powder material to the liquid material, controlling an electric cabinet to uniformly stir the internal raw materials, in the test range, the proportion of the powder material to the liquid material is kept unchanged, and when the proportion of the epoxy resin emulsion and the epoxy resin curing agent in the added liquid is controlled to be increased, the compressive strength and the flexural strength of the joint mixture can be realized, when the mass ratio of the epoxy resin emulsion to the epoxy resin curing agent is more than or equal to 1.80, the joint mixture has the maximum consistency and is difficult to stir, at the moment, the stirring speed of the main motor is influenced, the arranged rotating speed sensor detects the change of the rotating speed of the stirring rod and transmits a signal to the central processing unit, then the central processing unit controls the current control module to work, the current control module designed by the invention can adjust the circuit current and synthesize the current signal, the current feedback signal and other signals; at first, the current control module feeds back information to main motor controller, make the electric current increase to main motor transport, improve the rotational speed of main motor, then, the current control module controls a motor starting switch and No. two motor starting switches respectively and starts, and then control a motor and No. two motor work, at this moment, the inside main stirring leaf of agitating unit main part accelerates with arc stirring leaf rotational speed, a stirring leaf begins to rotate with No. two stirring leaves, make inside stirring not influenced by the consistency, realize the misce bene between the inside raw materials, better realization raw materials's homogeneous mixing.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view of the overall structure of a stirring device for preparing an epoxy coil joint mixture according to the present invention;
FIG. 2 is a cross-sectional view of a stirring device for epoxy coil joint mixture preparation according to the present invention;
FIG. 3 is a system diagram of the internal control part of the stirring device for preparing the epoxy coil gap filler of the invention;
FIG. 4 is a circuit diagram of a current control module of a stirring device for epoxy coil gap filler preparation according to the present invention.
In the figure: 1. a stirring device main body; 2. an upper cover; 3. a first feed inlet; 4. a second feeding hole; 5. a third feeding hole; 6. an electric cabinet; 7. a main motor; 8. a protective barrier; 9. a first motor; 10. a second motor; 11. a discharge outlet; 12. an electrically controlled valve; 13. a sleeve; 14. a rotational speed sensor; 15. a stirring rod; 16. a main stirring blade; 17. an arc-shaped stirring blade; 18. a first stirring blade; 19. a second stirring blade; 20. a central processing unit; 21. a current control module; 22. a first motor starting switch; 23. a second motor starting switch; 24. a main motor controller.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
A preparation method of an epoxy coil joint mixture comprises the following specific steps:
s1: the drying of the interior of the original stirring device main body 1 is ensured, the powder is introduced into the stirring device through the first feeding hole 3 according to the mixing proportion, and the main motor 7 is controlled to rotate uniformly to obtain premixed uniform powder;
s2: weighing a certain amount of liquid material according to the formula, adding the liquid material into a stirring device, controlling the proportion of the added powder material and the liquid material, and controlling an electric cabinet 6 to uniformly stir the internal raw materials to obtain the joint mixture;
the powder material comprises quartz sand, shell powder and polysiloxane, the liquid material comprises epoxy resin emulsion, epoxy resin curing agent, resin adhesive and isopropanol, and the weight parts are as follows: 50-100 parts of quartz sand, 300 parts of shell powder, 10-30 parts of polysiloxane, 400 parts of epoxy resin emulsion, 300 parts of epoxy resin curing agent, 50-150 parts of resin adhesive and 50-200 parts of isopropanol;
the epoxy resin emulsion is milky water-based epoxy resin liquid, the epoxy resin curing agent is nonionic water-based epoxy resin curing agent liquid, the solid content of the epoxy resin emulsion is 48.6-56.7%, the mesh number of the quartz sand is 160 meshes, and the mesh number of the shell powder is 200 meshes and 300 meshes.
Example 2
As shown in fig. 1-3, the invention further provides an acid and alkali resistant epoxy coil joint mixture stirring device, which comprises a stirring device main body 1 and an upper cover 2, wherein an upper mounting flange is fixedly mounted at the upper end of the stirring device main body 1, a lower mounting flange is fixedly mounted at the lower end of the upper cover 2, and the upper mounting flange and the lower mounting flange are fixedly connected through bolts, and the acid and alkali resistant epoxy coil joint mixture stirring device is characterized in that: an electric cabinet 6 is fixedly installed at the upper end of an upper cover 2, a control panel is fixedly installed on the outer surface of the front end of the electric cabinet 6, a first feed port 3, a second feed port 4 and a third feed port 5 are also arranged at the upper end of the upper cover 2, the first feed port 3, the second feed port 4 and the third feed port 5 are all located at the front end of the electric cabinet 6, a protective partition plate 8 is fixedly installed on the outer surface of the bottom end of a stirring device main body 1, a first motor 9 and a second motor 10 are respectively fixedly installed on two sides of the protective partition plate 8, and the first motor 9 and the second motor 10 are respectively fixedly installed on two sides of;
in step S2 of example 1, in order to keep the ratio of the powder to the liquid constant, the powder may be added through the first feed port 3, the liquid may be added through the second feed port 4, and the epoxy resin emulsion and the epoxy resin curing agent may be added through the third feed port 5 according to the blending requirement so as to satisfy the mass ratio of 1.80 or more;
the electric cabinet 6 is electrically connected with a control panel, and the control panel is a common prior art and is used for controlling various control operations inside the electric cabinet 6.
The upper end fixed mounting of electric cabinet 6 has main motor 7, the pivot of main motor 7 runs through in the inside of electric cabinet 6, the lower extreme fixed mounting of main motor 7 pivot has puddler 15, the lower extreme central point of upper cover 2 puts fixed mounting has sleeve pipe 13, and puddler 15 runs through in the inside of sleeve pipe 13, install main stirring leaf 16 on the puddler 15, the lower extreme fixed mounting of puddler 15 has arc stirring leaf 17, and puddler 15, main stirring leaf 16 all is located the inside of agitating unit main part 1 with arc stirring leaf 17.
Inside fixed mounting of electric cabinet 6 has the PCB board, fixed mounting has central processing unit 20 on the PCB board, main motor controller 24 and current control module 21, and main motor controller 24 and current control module 21's input all with central processing unit 20's output electric connection, current control module 21's lower extreme is connected with motor starting switch 22 and No. two motor starting switch 23 through the wire, and motor starting switch 22 and No. two motor starting switch 23 all fixed mounting in electric cabinet 6's inside, motor starting switch 22 and No. two motor starting switch 23's input all with current control module 21's output electric connection, current control module 21's output still with main motor controller 24's input electric connection, main motor controller 24 passes through the wire with main motor 7 and is connected.
A rotation speed sensor 14 is fixedly installed inside the sleeve 13, and an output end of the rotation speed sensor 14 is electrically connected with an input end of the central processing unit 20.
The current control module 21 comprises resistors R1-R10, a sliding rheostat R11, capacitors C1-C4, an amplifier A, a diode VD1 and a diode VD2, wherein a pin 1 of the amplifier A is connected with a cathode of a diode VD2, a pin 10 of the amplifier A is connected with an anode of the diode VD2, an anode and a cathode of a diode VD2 are respectively connected with a cathode and an anode of a diode VD1, a pin 4 of the amplifier A is connected with a pin 5 and a pin 8 of the amplifier A, a pin 6 of the amplifier A is connected with an external input terminal, a capacitor C2 and a resistor R4 are connected between a pin 3 and a pin 9 of the amplifier A, a pin 2 of the amplifier A is connected with the ground, a pin 7 of the amplifier A is connected with the external input terminal, the pin 7 of the amplifier A is also connected with a sliding rheostat R11, one end of the sliding rheostat R11 is connected with a resistor R8, and the other end of the R8 is connected with the ground, the slide bar of the slide rheostat R11 is connected with a capacitor C3, the capacitor C3 is also connected with a resistor R7, two ends of the resistor R7 are connected in parallel with a resistor R10, the other end of the resistor R7 is connected with the anode of a diode VD2, the negative electrode of the diode VD1 is connected with a resistor R2, the resistor R2 is connected with a resistor R1, the resistor R1 is connected with an external input end Uf1, a capacitor C1 is connected between the connection part of the resistor R1 and the resistor R2, the other end of the capacitor C1 is grounded, the resistor R7 is also connected with a resistor R6, the resistor R6 is connected with a resistor R5, the other end of the resistor R5 is connected with an external input end Un, the connection part of the resistor R5 and the resistor R6 is connected with a capacitor C4, the other end of the resistor C4 is grounded, the anode of the diode VD1 is connected with a resistor R3, one end of the resistor R3 is grounded and externally connected with an input end respectively, and two ends of the resistor R3 are connected with a resistor R9 in parallel.
The bottom end of the stirring device main body 1 is communicated with a discharge hole 11, an electric control valve 12 is installed on the discharge hole 11, and the input end of the electric control valve 12 is electrically connected with the output end of the central processing unit 20.
A fixed mounting has stirring leaf 18 in the pivot of a motor 9, and fixed mounting has stirring leaf 19 No. two in the pivot of No. two motors 10, and stirring leaf 18 and stirring leaf 19 No. two all are located the inside of agitating unit main part 1, and a motor 9 passes through the wire with a motor starting switch 22 and is connected, and No. two motors 10 pass through the wire with No. two motor starting switch 23 and are connected.
The inside of protection baffle 8 is provided with zone of heating and heat preservation, and the inside of zone of heating runs through and is provided with a plurality of heater strips of group, and the inside fixed mounting of heat preservation has the rock wool board.
By adopting the technical scheme: in step S2 of example 1, in the test range, the ratio of the powder material to the liquid material is controlled to be constant, and the ratio of the epoxy resin emulsion to the epoxy resin curing agent in the added liquid is controlled to be increased, so as to achieve the compressive strength and the flexural strength of the caulking agent, when the mass ratio of the epoxy resin emulsion to the epoxy resin curing agent is greater than or equal to 1.80, the consistency of the caulking agent is the largest and the stirring is difficult, at this time, the stirring speed of the main motor 7 is affected, the set rotation speed sensor 14 detects the change of the rotation speed of the stirring rod 15, transmits a signal to the central processor 20, the central processor 20 controls the operation of the current control module 21, first, the current control module 21 feeds information back to the main motor controller 24, so that the current transmitted to the main motor 7 is increased, the rotation speed of the main motor 7 is increased, then, the current control module 21 respectively controls the first motor start switch 22 and the second motor start switch 23 to, and then control the work of a motor 9 and No. two motors 10, this moment, the main stirring leaf 16 and the arc stirring leaf 17 rotational speed of agitating unit main part 1 inside accelerate, and a stirring leaf 18 begins to rotate with No. two stirring leaves 19 for inside stirring is not influenced by the consistency, realizes the misce bene between the inside raw materials, the homogeneous mixing of better realization raw materials.
The invention relates to an acid and alkali resistant epoxy coiled material joint mixture, which comprises the following steps of firstly, ensuring the internal drying of a main body 1 of an original stirring device, introducing powder into the stirring device through a first feeding hole 3 according to the proportion of ingredients, and controlling a main motor 7 to uniformly rotate to obtain uniformly premixed powder; then weighing a certain amount of liquid materials according to the formula, adding the liquid materials into a stirring device, controlling the proportion of the added powder materials to the liquid materials, and controlling an electric cabinet 6 to uniformly stir the internal raw materials to obtain the joint mixture;
in order to control the proportion of the powder material and the liquid material to be kept unchanged, according to the batching requirement, the powder material is added through a first feed inlet 3, the liquid material is added through a second feed inlet 4, and the epoxy resin emulsion and the epoxy resin curing agent are added through a third feed inlet 5 so as to meet the requirement that the mass ratio is more than or equal to 1.80;
when the stirring device is used, the device is placed on a horizontal plane, the electric cabinet 6 is connected with an external power supply, the first-added powder and liquid are uniformly mixed and kept unchanged, and the first-added powder and liquid are enough and are not influenced by the subsequently added epoxy resin emulsion and epoxy resin curing agent, then the mass ratio of the epoxy resin emulsion to the epoxy resin curing agent is adjusted according to the feeding requirement, and the stirring device can effectively avoid the influence of the consistency on the stirring speed;
when the mixing speed is affected by the consistency of the powder and liquid mixture ratio added for the first time or the mixing speed is affected by the later feeding, the set rotating speed sensor 14 can detect the change of the rotating speed of the mixing rod 15, at this time, the mixing speed of the main motor 7 is affected, a signal is transmitted to the central processing unit 20, then the central processing unit 20 controls the current control module 21 to work, firstly, the current control module 21 feeds information back to the main motor controller 24, so that the current transmitted to the main motor 7 is increased, the rotating speed of the main motor 7 is increased, then, the current control module 21 respectively controls the starting switch 22 of the first motor and the starting switch 23 of the second motor to start, and further controls the first motor 9 and the second motor 10 to work, at this time, the rotating speeds of the main mixing blade 16 and the arc-shaped mixing blade 17 in the mixing device main body 1 are increased, and the first mixing blade 18 and the second mixing blade 19 start, the internal stirring is not influenced by the consistency, so that the internal raw materials are uniformly mixed, and the raw materials are uniformly mixed better;
when speed sensor 14 detects behind internal stirring a period of time that the puddler 15 rotational speed does not have great change, it is comparatively even to explain internal mixing, and the compounding is accomplished this moment, and the signal transmission that will mix the completion gives central processing unit 20, then central processing unit 20 control automatically controlled valve 12 is opened, and the gap filler that processing stirring was accomplished passes through bin outlet 11 and discharges agitating unit main part 1, and is comparatively practical.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The preparation method of the epoxy coil joint mixture comprises the following specific steps:
s1: the drying of the interior of the original stirring device main body (1) is ensured, the powder is introduced into the stirring device through the first feeding hole (3) according to the proportion of the ingredients, and the main motor (7) is controlled to rotate uniformly to obtain the uniformly premixed powder;
s2: weighing a certain amount of liquid materials according to the formula, adding the liquid materials into a stirring device, and controlling an electric cabinet (6) by controlling the proportion of the added powder materials to the liquid materials so as to uniformly stir the internal raw materials to obtain the joint mixture;
the method is characterized in that in the step S2, the proportion of powder and liquid is controlled to be constant, when the proportion of epoxy resin emulsion and epoxy resin curing agent in added liquid is controlled to be increased, the compression strength and the bending strength of the gap filler are realized, when the mass ratio of the epoxy resin emulsion to the epoxy resin curing agent is greater than or equal to 1.80, the consistency of the gap filler is the largest, the stirring speed of a main motor (7) is influenced, a rotating speed sensor (14) detects the change of the rotating speed of a stirring rod (15), a current control module (21) is controlled to work, the current control module (21) feeds information back to a main motor controller (24), so that the current transmitted to the main motor (7) is increased, the rotating speed of the main motor (7) is increased, and then the current control module (21) respectively controls a first motor starting switch (22) and a second motor starting switch (23) to be started, and then control a motor (9) and No. two motor (10) work, main stirring leaf (16) and arc stirring leaf (17) the rotational speed of agitating unit main part (1) inside accelerates, and stirring leaf (18) and No. two stirring leaf (19) begin to rotate for inside stirring is not influenced by the consistency, realizes the misce bene between the inside raw materials.
2. The method for preparing the epoxy coil joint mixture according to claim 1, wherein the powder comprises quartz sand, shell powder and polysiloxane, the liquid comprises epoxy resin emulsion, epoxy resin curing agent, resin adhesive and isopropanol, and the weight parts are as follows: 50-100 parts of quartz sand, 100-300 parts of shell powder, 10-30 parts of polysiloxane, 400 parts of epoxy resin emulsion, 100-300 parts of epoxy resin curing agent, 50-150 parts of resin adhesive and 50-200 parts of isopropanol.
3. The method for preparing the epoxy coil caulking agent according to claim 2, wherein the epoxy resin emulsion is milky water-based epoxy resin liquid, the epoxy resin curing agent is nonionic water-based epoxy resin curing agent liquid, the solid content is 48.6-56.7%, the mesh number of the quartz sand is 120-160 meshes, and the mesh number of the shell powder is 200-300 meshes.
4. The utility model provides an agitating unit of epoxy coiled material gap filler preparation, includes agitating unit main part (1) and upper cover (2), the upper end fixed mounting of agitating unit main part (1) has last installation rowland, the lower extreme fixed mounting of upper cover (2) has installation rowland down, and goes up installation rowland and passes through bolt fixed connection, its characterized in that with installation rowland down: an electric cabinet (6) is fixedly mounted at the upper end of the upper cover (2), a control panel is fixedly mounted on the outer surface of the front end of the electric cabinet (6), a first feeding hole (3), a second feeding hole (4) and a third feeding hole (5) are further formed in the upper end of the upper cover (2), the first feeding hole (3), the second feeding hole (4) and the third feeding hole (5) are all located at the front end of the electric cabinet (6), a protective partition plate (8) is fixedly mounted on the outer surface of the bottom end of the stirring device main body (1), a first motor (9) and a second motor (10) are fixedly mounted on two sides of the protective partition plate (8) respectively, and the first motor (9) and the second motor (10) are fixedly mounted on two sides of the protective partition plate; in the step S2, in order to keep the ratio of the powder to the liquid constant, according to the blending requirement, the powder is added through the first feed port (3), the liquid is added through the second feed port (4), and the epoxy resin emulsion and the epoxy resin curing agent are added through the third feed port (5) so as to satisfy the mass ratio of 1.80 or more; the electric cabinet (6) is electrically connected with the control panel and is used for controlling various control operations inside the electric cabinet (6).
5. The stirring device for epoxy coil gap filler preparation according to claim 4, wherein the upper end of the electric cabinet (6) is fixedly provided with a main motor (7), the rotating shaft of the main motor (7) penetrates through the electric cabinet (6), the lower end of the rotating shaft of the main motor (7) is fixedly provided with a stirring rod (15), the lower end center of the upper cover (2) is fixedly provided with a sleeve (13), the stirring rod (15) penetrates through the sleeve (13), the stirring rod (15) is provided with a main stirring blade (16), the lower end of the stirring rod (15) is fixedly provided with an arc-shaped stirring blade (17), and the stirring rod (15), the main stirring blade (16) and the arc-shaped stirring blade (17) are all located inside the stirring device main body (1).
6. The stirring device for epoxy coil gap filler preparation according to claim 5, wherein a PCB is fixedly installed inside the electric control box (6), a central processing unit (20), a main motor controller (24) and a current control module (21) are fixedly installed on the PCB, the input ends of the main motor controller (24) and the current control module (21) are electrically connected with the output end of the central processing unit (20), the lower end of the current control module (21) is connected with a first motor starting switch (22) and a second motor starting switch (23) through wires, the first motor starting switch (22) and the second motor starting switch (23) are fixedly installed inside the electric control box (6), the input ends of the first motor starting switch (22) and the second motor starting switch (23) are electrically connected with the output end of the current control module (21), the output end of the current control module (21) is also electrically connected with the input end of a main motor controller (24), and the main motor controller (24) is connected with a main motor (7) through a lead; and a rotating speed sensor (14) is fixedly arranged in the sleeve (13).
7. The stirring device for epoxy coil gap filler preparation as claimed in claim 6, wherein the output end of the rotation speed sensor (14) is electrically connected with the input end of the central processing unit (20); the bottom of agitating unit main part (1) communicates with each other and is connected with bin outlet (11), install automatically controlled valve (12) on bin outlet (11), the input of automatically controlled valve (12) and the output electric connection of central processing unit (20).
8. The stirring device for the preparation of epoxy coil gap filler according to claim 1, wherein a current regulator circuit comprises resistors R1-R10, a slide rheostat R11, capacitors C1-C4, an amplifier A, a diode VD1 and a diode VD2, wherein the pin 1 of the amplifier A is connected with the cathode of the diode VD2, the pin 10 of the amplifier A is connected with the anode of the diode VD2, the anodes and the cathodes of the diodes VD2 are respectively connected with the cathodes and the anodes of the diodes VD1, the pin 4 of the amplifier A is connected with the pins 5 and 8 of the amplifier A, the pin 6 of the amplifier A is connected with an external input terminal, a capacitor C2 and a resistor R4 are connected between the pin 3 and the pin 9 of the amplifier A, the pin 2 of the amplifier A is connected with a ground, the pin 7 of the amplifier A is connected with the external input terminal, and the pin 7 of the amplifier A is also connected with a slide rheostat R11, one end of the sliding rheostat R11 is connected with a resistor R11, the other end of the R11 is grounded, a sliding rod of the sliding rheostat R11 is connected with a capacitor C11, the capacitor C11 is further connected with a resistor R11, two ends of the resistor R11 are connected in parallel with the resistor R11, the other end of the resistor R11 is connected with the anode of a diode VD 11, the cathode of the diode VD 11 is connected with the resistor R11, the resistor R11 is connected with an external input end Uf 11, the connection position of the resistor R11 and the resistor R11 is connected with the capacitor C11 indirectly, the other end of the capacitor C11 is grounded, the resistor R11 is also connected with the resistor R11, the resistor R11 is connected with the resistor R11, the other end of the resistor R11 is connected with an external input end Un, the connection position of the resistor R11 and the positive electrode of the diode VD 11 are respectively connected with the external input end of the resistor R11 and the external input end of the resistor R11, and a resistor R9 is connected in parallel with two ends of the resistor R3.
9. The stirring device for preparing the epoxy coil gap filler according to claim 6, wherein a first stirring blade (18) is fixedly installed on a rotating shaft of the first motor (9), a second stirring blade (19) is fixedly installed on a rotating shaft of the second motor (10), the first stirring blade (18) and the second stirring blade (19) are both located inside the stirring device main body (1), the first motor (9) is connected with the first motor starting switch (22) through a conducting wire, and the second motor (10) is connected with the second motor starting switch (23) through a conducting wire.
10. The stirring device for preparing the epoxy coil gap filler according to claim 4, wherein a heating layer and a heat insulation layer are arranged inside the protective partition plate (8), a plurality of groups of heating wires are arranged inside the heating layer in a penetrating manner, and a rock wool board is fixedly arranged inside the heat insulation layer.
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| WO2016164562A1 (en) * | 2015-04-07 | 2016-10-13 | President And Fellows Of Harvard College | Microfluidic active mixing nozzle for three-dimensional printing of viscoelastic inks |
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