CN110743739B - Automatic spraying equipment for cable fireproof coating - Google Patents
Automatic spraying equipment for cable fireproof coating Download PDFInfo
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- CN110743739B CN110743739B CN201911066986.1A CN201911066986A CN110743739B CN 110743739 B CN110743739 B CN 110743739B CN 201911066986 A CN201911066986 A CN 201911066986A CN 110743739 B CN110743739 B CN 110743739B
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- 238000005507 spraying Methods 0.000 title claims abstract description 36
- 239000011248 coating agent Substances 0.000 title claims description 38
- 238000000576 coating method Methods 0.000 title claims description 38
- 238000002156 mixing Methods 0.000 claims abstract description 80
- 238000003756 stirring Methods 0.000 claims abstract description 62
- 239000003973 paint Substances 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000243 solution Substances 0.000 claims description 23
- 238000007667 floating Methods 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 8
- 239000011550 stock solution Substances 0.000 claims description 8
- 210000003437 trachea Anatomy 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
- B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0405—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
- B05B13/041—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
Abstract
The invention discloses an automatic spraying device for cable fireproof paint, which comprises an unmanned vehicle, wherein a main cavity is arranged in the unmanned vehicle, a mixing device for stirring and mixing fireproof paint is arranged in the main cavity, a concentration adjusting device for storing and supplying raw materials of the fireproof paint is arranged in the main cavity, and a spraying device for spraying the fireproof paint is arranged on the left side end face of the unmanned vehicle. The spraying mechanism carries out automatic spraying under the control of the vision module.
Description
Technical Field
The invention relates to the technical field of fireproof paint spraying, in particular to automatic spraying equipment for cable fireproof paint.
Background
The invention relates to cable fire protection construction, wherein a cable penetrating through two sides of a fire-proof plate needs to be coated with a fire-proof coating, the cable fire-proof coating is generally formed by adding various fire-proof flame retardants, plasticizers and the like into a tertiary acrylic emulsion aqueous material, a uniform and compact spongy foam heat-insulating layer can be generated when a coating is on fire, the spread and propagation of flame can be effectively inhibited and blocked, and the electric wire and the cable are protected.
Disclosure of Invention
The technical problem is as follows: the existing spraying process and the dilution and stirring of the fireproof coating are both completed manually, the automation degree is low, and the labor cost is high.
In order to solve the problems, the automatic spraying equipment for the cable fireproof paint is designed in the embodiment, and comprises an unmanned vehicle, a main cavity is arranged in the unmanned vehicle, a mixing device for stirring and mixing the fireproof paint is arranged in the main cavity, the mixing device comprises a mixing box fixedly connected to the lower inner wall of the main cavity, a mixing cavity arranged in the mixing box, a stirring shaft rotationally connected to the upper inner wall of the main cavity and extending downwards into the mixing cavity, a motor and a stirring impeller, wherein the stirring shaft and the power are connected to the stirring shaft, the motor is fixedly connected to the upper inner wall of the main cavity, the stirring impeller is fixedly connected to the stirring shaft and is positioned in the mixing cavity, the stirring impeller is driven to rotate by the stirring shaft, the stirring and mixing functions can be realized, and a concentration adjusting device for storing and supplying the raw materials of the fireproof paint is arranged in the main cavity, the concentration adjusting device comprises two cylinders which are fixedly connected to the stirring shaft and are bilaterally symmetrical, the cylinders are located in the main cavity, an air cavity is arranged in the cylinders, a piston is connected in the air cavity in a sliding mode, a rotating box is fixedly connected to the inner wall of the upper side of the main cavity, an auxiliary air cavity is arranged in the rotating box and is penetrated by the stirring shaft, the stirring shaft is rotatably connected with the auxiliary air cavity, and an air passage hole is arranged in the stirring shaft and enables the air cavity to be communicated with the auxiliary air cavity, the concentration of solution in the mixing cavity is different, so that the stirring shaft generates different rotating speeds, different centrifugal forces generated by the different rotating speeds of the stirring shaft enable the amount of movement of the piston to be different, and therefore displacement required for automatically adjusting the concentration is generated, and a spraying device for spraying fireproof paint is.
Wherein the mixing device also comprises a discharge hole which is arranged on the inner wall of the lower side of the mixing cavity and has a downward opening, a discharge electromagnetic valve fixedly connected to the lower end face of the unmanned vehicle is arranged at an opening at the lower side of the discharge hole, the inner wall of the lower side of the mixing cavity is rotationally connected with a screw rod which extends upwards to the outside of the end surface of the main cavity, the screw rod is in threaded connection with a nut positioned in the mixing cavity, the nut is connected to the inner wall of the right side of the mixing cavity in a sliding manner, the screw rod is fixedly connected with a knob positioned outside the upper end face of the main cavity, the screw rod is connected with a floating block positioned on the lower side of the nut in a sliding manner, the floating block is connected on the inner wall of the right side of the mixing cavity in a sliding way, a position switch which can be abutted against the nut is fixedly connected on the upper side end face of the floating block, and a feeding pump is fixedly connected to the left end face of the mixing cavity, and is communicated with the mixing cavity and is connected with a feeding hole.
Wherein, the concentration adjusting device also comprises two storage boxes which are respectively fixedly connected on the left side and the right side of the main cavity, the storage box is close to a side end face of a symmetric center and is fixedly connected with a delivery pump communicated with the storage box, the delivery pump is communicated with a water pipe between the mixing cavities, an electromagnetic valve is arranged on the water pipe, a valve body which is positioned on the left side of the electromagnetic valve is arranged on the water pipe on the right side, a valve body cavity which is communicated with the water pipe on the right side is arranged in the valve body, a flow limiting block is connected in the valve body cavity in a sliding way, the flow cross-sectional area of the water pipe on the right side can be adjusted by the flow limiting block, an auxiliary valve body which is positioned on the right side of the electromagnetic valve is arranged on the water pipe on the left side, an auxiliary valve body cavity which is communicated with, the auxiliary valve body cavity and the valve body cavity are respectively communicated with the auxiliary air cavity to be connected with an air passage pipe, the upper end face of the flow limiting block is fixedly connected with a connecting rod which upwards extends to the right side in the air passage pipe, the connecting rod is fixedly connected with a sliding plug which is connected to the right side in the air passage pipe, the right side is fixedly connected with a limiting block which is positioned on the upper side of the sliding plug, the limiting block can be abutted to the sliding plug, the upper end face of the auxiliary flow limiting block is fixedly connected with a push rod which upwards extends to the left side in the air passage pipe, the push rod is fixedly connected with a sliding plug which is connected to the left side in the air passage pipe, the left side is fixedly connected with an auxiliary limiting block which is positioned on the lower side of the auxiliary sliding plug, and the auxiliary limiting.
Preferably, the storage box on the left side is used for storing the fire retardant coating stock solution, the storage box on the right side is used for storing the diluted solution, when the stirring shaft does not rotate, the auxiliary flow limiting block is located at the lower limit position, the water pipe is the smallest in flow cross-sectional area communicated with the auxiliary valve body cavity, the flow limiting block is located at the lower limit position, and the valve body cavity is the largest in flow cross-sectional area communicated with the water pipe.
Wherein, the spraying device comprises a transverse guide rail fixedly connected on the left end face of the main cavity, a linear motor is connected on the front end face of the transverse guide rail in a sliding way, a lifting guide rail is fixedly connected on the left end face of the linear motor, a mechanical vision module for detecting the position of a cable is fixedly connected on the upper end face of the lifting guide rail, an auxiliary linear motor is connected on the left end face of the lifting guide rail in a sliding way, a sliding table is fixedly connected on the left end face of the auxiliary linear motor, two symmetrical spray guns are connected on the lower end face of the sliding table in a sliding way, a spray head is arranged on one end face of the spray gun close to the symmetry center, a downwardly extending rotating shaft is rotatably connected on the lower end face of the sliding table, an auxiliary motor fixedly connected on the lower end face of the, oval carousel with be connected with the connecting rod between the spray gun, and two the connecting rod about pivot axle center symmetry, the front side the spray gun with it has the conveyer pipe to communicate with each other between the delivery pump, conveyer pipe and rear side communicate with each other between the spray gun and be connected with vice conveyer pipe, fixedly connected with air pump on the terminal surface of main cavity upside, air pump and front side communicate with each other between the spray gun and be connected with the trachea, trachea and rear side communicate with each other between the spray gun and be connected with vice trachea.
The invention has the beneficial effects that: the mixing and stirring mechanism of the invention can automatically stir and mix the fireproof coating solution, when the concentration of the fireproof coating solution in the mixing box is too high, the viscosity of the fireproof coating solution is higher, so that the rotating speed of the stirring shaft is lower, the centrifugal force applied to a sliding plug in an air cylinder mechanism on the automatic adjusting mechanism is smaller, so that the flow of the valve body on the pipeline for conveying the diluted solution is larger, the flow of the valve body on the pipeline for conveying the fire-retardant coating stock solution is reduced, thereby diluting the fireproof coating solution, achieving the set fireproof coating concentration, realizing automatic adjustment of the fireproof coating to the set concentration, improving the consistency of the sprayed fireproof coating concentration, thereby improving the stability of the spraying quality, the spraying mechanism carries out automatic spraying under the control of the vision module, therefore, the invention can realize automatic stirring and mixing of the fireproof coating, automatically adjust the concentration of the fireproof coating and realize automatic spraying of the fireproof coating.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of an automatic spraying apparatus for cable fire-retardant coating according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is an enlarged view of the structure at "C" of FIG. 3;
FIG. 5 is an enlarged view of the structure at "D" of FIG. 4;
FIG. 6 is an enlarged view of the structure at "E" in FIG. 1;
FIG. 7 is an enlarged view of the structure at "F" in FIG. 1;
fig. 8 is an enlarged schematic view of the structure at "G" of fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1 to 8, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to an automatic spraying device for cable fireproof paint, which is mainly applied to spraying fireproof paint, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to an automatic spraying device of cable fireproof paint, which comprises an unmanned vehicle 11, wherein a main cavity 12 is arranged in the unmanned vehicle 11, a mixing device 101 for stirring and mixing the fireproof paint is arranged in the main cavity 12, the mixing device 101 comprises a mixing box 14 fixedly connected to the inner wall of the lower side of the main cavity 12, a mixing cavity 15 arranged in the mixing box 14, a stirring shaft 36 rotatably connected to the inner wall of the upper side of the main cavity 12 and extending downwards into the mixing cavity 15, a motor 38 dynamically connected to the stirring shaft 36 and fixedly connected to the inner wall of the upper side of the main cavity 12, a stirring impeller 16 fixedly connected to the stirring shaft 36 and positioned in the mixing cavity 15, the stirring impeller 16 is driven by the stirring shaft 36 to rotate, so that the stirring and mixing functions can be realized, a concentration adjusting device 102 for storing and supplying the raw material of the fireproof paint is arranged in the main cavity 12, the concentration adjusting device 102 comprises two cylinders 53 which are fixedly connected to the stirring shaft 36 and are bilaterally symmetrical, the cylinders 53 are positioned in the main cavity 12, air cavities 54 are arranged in the cylinders 53, pistons 56 are slidably connected in the air cavities 54, a rotating box 37 is fixedly connected on the upper inner wall of the main cavity 12, an auxiliary air cavity 59 is arranged in the rotating box 37 and is penetrated by the stirring shaft 36, the stirring shaft 36 is rotatably connected with the auxiliary air cavity 59, and an air channel hole 57 is arranged in the stirring shaft 36 and enables the air cavities 54 to be communicated and connected with the auxiliary air cavity 59, the concentration of the solution in the mixing chamber 15 is different, so that the stirring shaft 36 generates different rotating speeds, the centrifugal force generated by the different rotating speeds of the stirring shaft 36 causes the movement amount of the piston 56 to be different, thereby generating the displacement required for realizing the automatic adjustment of the concentration, and the spraying device 103 for spraying the fireproof paint is arranged on the left end face of the unmanned vehicle 11.
According to the embodiment, the mixing device 101 is described in detail below, the mixing device 101 further includes a discharge hole 18 disposed on the inner wall of the lower side of the mixing chamber 15 and having a downward opening, a discharge solenoid valve 17 fixedly connected to the end surface of the lower side of the unmanned vehicle 11 is disposed at the opening of the lower side of the discharge hole 18, a screw 40 extending upward beyond the end surface of the main chamber 12 is rotatably connected to the inner wall of the lower side of the mixing chamber 15, a nut 52 located in the mixing chamber 15 is threadedly connected to the screw 40, the nut 52 is slidably connected to the inner wall of the right side of the mixing chamber 15, a knob 39 located outside the end surface of the upper side of the main chamber 12 is fixedly connected to the screw 40, a floating block 64 located on the lower side of the nut 52 is slidably connected to the screw 40, the floating block 64 is slidably connected to the inner wall of the right side of the mixing chamber 15, a position switch 35 capable of abutting against the nut 52 is, the left end face of the mixing cavity 15 is fixedly connected with a feeding pump 20, the feeding pump 20 is communicated with the mixing cavity 15 and is connected with a feeding hole 19, and the stirring shaft 36 and the stirring impeller 16 are driven by the motor 38 to rotate, so that stirring and mixing motion can be realized.
According to the embodiment, the following detailed description is made on the concentration adjusting device 102, the concentration adjusting device 102 further includes two storage tanks 22 fixedly connected to the left and right inner walls of the main chamber 12, the storage tank 22 is fixedly connected to a delivery pump 21 communicated with the storage tank 22 on the end surface of one side close to the symmetry center, a water pipe 60 is connected between the delivery pump 21 and the mixing chamber 15, an electromagnetic valve 61 is disposed on the water pipe 60, a valve body 62 disposed on the left side of the electromagnetic valve 61 is disposed on the water pipe 60 on the right side, a valve body cavity 65 communicated with the water pipe 60 on the right side is disposed in the valve body 62, a flow limiting block 63 is slidably connected in the valve body cavity 65, the flow cross-sectional area of the water pipe 60 on the right side of the flow limiting block 63 can be adjusted, an auxiliary valve body 69 disposed on the right side of, an auxiliary valve body cavity 70 communicated with the water pipe 60 on the left side is arranged in the auxiliary valve body 69, an auxiliary flow limiting block 71 is connected in the auxiliary valve body cavity 70 in a sliding manner, the auxiliary flow limiting block 71 can adjust the flow cross-sectional area of the water pipe 60 on the left side, the auxiliary valve body cavity 70 and the valve body cavity 65 are respectively communicated with the auxiliary air cavity 59 and connected with an air passage pipe 34, a connecting rod 66 extending upwards into the air passage pipe 34 on the right side is fixedly connected on the upper side end face of the flow limiting block 63, a sliding plug 67 connected in the air passage pipe 34 on the right side in a sliding manner is fixedly connected on the connecting rod 66, a limiting block 68 located on the upper side of the sliding plug 67 is fixedly connected in the air passage pipe 34 on the right side, the limiting block 68 can be abutted against the sliding plug 67, and a push rod 72 extending upwards into the air passage pipe 34 on the left side is, the push rod 72 is fixedly connected with an auxiliary sliding plug 74 which is slidably connected in the left air path pipe 34, the left air path pipe 34 is fixedly connected with an auxiliary limiting block 73 which is positioned on the lower side of the auxiliary sliding plug 74, the auxiliary limiting block 73 can be abutted against the auxiliary sliding plug 74, the piston 56 is driven to move through the rotation of the piston 36, and the air flow is conveyed into the air path pipe 34 through the air path hole 57 and the auxiliary air cavity 59 to drive the auxiliary sliding plug 74 and the sliding plug 67 to move, so that the auxiliary flow limiting block 71 and the flow limiting block 63 are driven to move, the flow cross-sectional area of the water pipe 60 is changed, and the solution concentration in the mixing cavity 15 can be automatically adjusted.
Advantageously, the storage tank 22 on the left side is used for storing the fire retardant coating stock solution, the storage tank 22 on the right side is used for storing the diluted solution, when the stirring shaft 36 is not rotated, the auxiliary flow limiting block 71 is located at the lower limit position, the flow cross-sectional area of the water pipe 60 communicated with the auxiliary valve body cavity 70 is the smallest, the flow limiting block 63 is located at the lower limit position, and the flow cross-sectional area of the valve body cavity 65 communicated with the water pipe 60 is the largest.
According to the embodiment, the following detailed description is made on the spraying device 103, the spraying device 103 includes a transverse guide rail 25 fixedly connected to the left end surface of the main cavity 12, a linear motor 26 is slidably connected to the front end surface of the transverse guide rail 25, a lifting guide rail 24 is fixedly connected to the left end surface of the linear motor 26, a machine vision module 31 for detecting the cable position is fixedly connected to the upper end surface of the lifting guide rail 24, an auxiliary linear motor 30 is slidably connected to the left end surface of the lifting guide rail 24, a sliding table 29 is fixedly connected to the left end surface of the auxiliary linear motor 30, two front and back symmetrical spray guns 27 are slidably connected to the lower end surface of the sliding table 29, the spray guns 27 are provided with spray heads 28 near to one end surface of the symmetry center, a downwardly extending rotating shaft 43 is rotatably connected to the lower end surface of the sliding table 29, an auxiliary motor 47 fixedly connected to the lower end surface, an elliptic turntable 46 is fixedly connected on the lower end surface of the rotating shaft 43, a connecting rod 42 is connected between the elliptic turntable 46 and the spray gun 27, the two connecting rods 42 are symmetrical about the axis of the rotating shaft 43, a conveying pipe 23 is communicated and connected between the spray gun 27 at the front side and the feeding pump 20, a secondary delivery pipe 45 is communicated between the delivery pipe 23 and the rear spray gun 27, an air pump 33 is fixedly connected on the upper end face of the main cavity 12, an air pipe 32 is communicated and connected between the air pump 33 and the spray gun 27 at the front side, an auxiliary air pipe 41 is communicated and connected between the air pipe 32 and the spray gun 27 at the rear side, the fireproof paint in the mixing chamber 15 is fed into the spray gun 27 through the feed pipe 23 and the sub-feed pipe 45 by the feed pump 20, and is sprayed from the spray head 28, thereby achieving a function of spraying the fireproof paint.
The following will describe in detail the use steps of an automatic spraying device for fire-retardant coating of cables with reference to fig. 1 to 8:
at the beginning, under the action of the compression spring 55, the piston 56 is positioned at a limit position on one side close to the symmetric center, the auxiliary flow limiting block 71 and the flow limiting block 63 are positioned at a lower limit position, the electromagnetic valve 61 is in an open state, the floating block 64 is positioned at the lower limit position, the knob 39 is manually rotated, the knob 39 drives the screw rod 40 to rotate, the screw rod 40 drives the nut 52 to move up and down through threaded connection, therefore, the required liquid level height is set, and the auxiliary linear motor 30 is positioned at the upper limit position.
When the device works, the delivery pump 21 and the motor 38 are electrified to work, the motor 38 drives the stirring shaft 36 and the stirring impeller 16 to rotate, as no solution exists in the mixing cavity 15 at the moment, the rotating speed of the stirring shaft 36 is highest, the centrifugal force generated by the rotation of the stirring shaft 36 enables the piston 56 to move to the side far away from the symmetry center to the limiting position, the negative pressure generated by the movement of the piston 56 is delivered into the air passage pipe 34 through the air passage hole 57 and the auxiliary air cavity 59, the auxiliary sliding plug 74 and the sliding plug 67 are driven to move upwards, the auxiliary sliding plug 74 drives the auxiliary flow limiting block 71 to move upwards through the push rod 72, the communication cross-sectional area of the auxiliary valve cavity 70 and the water pipe 60 on the left side is increased, the sliding plug 67 drives the connecting rod 66 and the flow limiting block 63 to move upwards, the communication cross-sectional area of the valve cavity 65 and the water pipe 60 on the right side is reduced, the delivery pump 21 delivers the fire, the rotation speed of the stirring shaft 36 is reduced, the centrifugal force of the piston 56 is reduced, the piston 56 moves towards one side close to the symmetric center, the auxiliary sliding plug 74 and the sliding plug 67 are moved downwards by the airflow generated by the piston 56, the flow cross-sectional area of the valve cavity 65 is increased, the flow of the diluted solution is increased, the auxiliary flow limiting block 71 moves downwards, the flow cross-sectional area of the auxiliary valve cavity 70 is reduced, the flow of the fireproof coating stock solution is reduced, the concentration of the solution in the mixing cavity 15 is reduced, when the concentration of the solution in the mixing cavity 15 reaches the set concentration, the rotation speed of the stirring shaft 36 is not changed, the mixed concentration of the fireproof coating stock solution and the diluted solution conveyed into the mixing cavity 15 through the water pipe 60 is the same as the set concentration, the fireproof coating stock solutions with different concentrations are automatically adjusted to the required set concentration, manual blending is not needed, when the floating block 64, the electromagnetic valve 61 and the delivery pump 21 are closed, the motor 38 drives the stirring shaft 36 to continue stirring the solution in the mixing cavity 15,
after the mixing is completed, the unmanned vehicle 11 moves to the cable to be sprayed with the fireproof material under the control of the mechanical vision module 31, then the mechanical vision module 31 controls the linear motor 26 to move to a proper position along the transverse guide rail 25, the auxiliary motor 47 drives the rotating shaft 43 to rotate, the rotating shaft 43 drives the elliptical rotating disc 46 to rotate, the elliptical rotating disc 46 drives the spray gun 27 to move to a proper position along the sliding table 29 through the connecting rod 42, then the auxiliary motor 47 stops rotating, the air pump 33 and the feeding pump 20 are started, the air pump 33 generates air flow and conveys the air flow into the spray gun 27 through the air pipe 32 and the auxiliary air pipe 41, meanwhile, the feeding pump 20 conveys the mixed fireproof paint in the mixing cavity 15 into the spray gun 27 through the conveying pipe 23 and the auxiliary conveying pipe 45 and sprays the fireproof paint onto the cable through the spray head 28, meanwhile, the auxiliary linear motor 30 moves from top to,
after finishing the spraying work, the auxiliary linear motor 30 moves upwards to reset, the air pump 33, the feeding pump 20 and the motor 38 stop rotating, and because the deterioration time of the fireproof paint is short and the spraying needs to be performed once every twelve hours, the redundant fireproof paint can be discharged through the discharge hole 18 and the discharge electromagnetic valve 17 by opening the discharge electromagnetic valve 17.
The invention has the beneficial effects that: the mixing and stirring mechanism of the invention can automatically stir and mix the fireproof coating solution, when the concentration of the fireproof coating solution in the mixing box is too high, the viscosity of the fireproof coating solution is higher, so that the rotating speed of the stirring shaft is lower, the centrifugal force applied to a sliding plug in an air cylinder mechanism on the automatic adjusting mechanism is smaller, so that the flow of the valve body on the pipeline for conveying the diluted solution is larger, the flow of the valve body on the pipeline for conveying the fire-retardant coating stock solution is reduced, thereby diluting the fireproof coating solution, achieving the set fireproof coating concentration, realizing automatic adjustment of the fireproof coating to the set concentration, improving the consistency of the sprayed fireproof coating concentration, thereby improving the stability of the spraying quality, the spraying mechanism carries out automatic spraying under the control of the vision module, therefore, the invention can realize automatic stirring and mixing of the fireproof coating, automatically adjust the concentration of the fireproof coating and realize automatic spraying of the fireproof coating.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (1)
1. An automatic spraying device for cable fireproof paint comprises an unmanned vehicle; the method is characterized in that: be equipped with the main cavity in the unmanned vehicle, be equipped with the mixing arrangement who is used for stirring mixed fire prevention coating in the main cavity, mixing arrangement include fixed connection in mixing box on the inner wall of main cavity downside, set up in mixing chamber in the mixing box, rotate connect in just downwardly extending to on the inner wall of main cavity upside (mixing) shaft, power connect in on the (mixing) shaft and fixed connection in motor on the inner wall of main cavity upside, fixed connection in just be located on the (mixing) shaft impeller of mixing intracavity, through the (mixing) shaft drives impeller rotates, can realize stirring mixing function, be equipped with the concentration adjustment device who is used for storing and supplying fire prevention coating's raw materials in the main cavity, concentration adjustment device include two fixed connection in on the (mixing) shaft and bilateral symmetry the cylinder, just the cylinder is located in main cavity, An air cavity, a piston, a rotating box, an auxiliary air cavity, a stirring shaft and an air channel hole are arranged in the air cylinder, the piston is connected in the air cavity in a sliding mode, the rotating box is fixedly connected to the inner wall of the upper side of the main cavity, the auxiliary air cavity is arranged in the rotating box and is penetrated through by the stirring shaft, the stirring shaft is rotatably connected with the auxiliary air cavity, the air channel hole is arranged in the stirring shaft and enables the air cavity to be communicated and connected with the auxiliary air cavity, different concentrations of solutions in the mixing cavity enable the stirring shaft to generate different rotating speeds, different centrifugal forces generated by the different rotating speeds of the stirring shaft enable the piston to move differently, so that displacement required for automatically adjusting the concentration is generated; the mixing device also comprises a discharge hole which is arranged on the inner wall of the lower side of the mixing cavity and has a downward opening, a discharge electromagnetic valve fixedly connected to the lower end face of the unmanned vehicle is arranged at an opening at the lower side of the discharge hole, the inner wall of the lower side of the mixing cavity is rotationally connected with a screw rod which extends upwards to the outside of the end surface of the main cavity, the screw rod is in threaded connection with a nut positioned in the mixing cavity, the nut is connected to the inner wall of the right side of the mixing cavity in a sliding manner, the screw rod is fixedly connected with a knob positioned outside the upper end face of the main cavity, the screw rod is connected with a floating block positioned on the lower side of the nut in a sliding manner, the floating block is connected on the inner wall of the right side of the mixing cavity in a sliding way, a position switch which can be abutted against the nut is fixedly connected on the upper side end face of the floating block, a feeding pump is fixedly connected to the left end face of the mixing cavity, and the feeding pump is communicated with the mixing cavity and is connected with a feeding hole; the concentration adjusting device also comprises two storage boxes fixedly connected to the inner walls of the left side and the right side of the main cavity respectively, the storage boxes are close to a conveying pump which is fixedly connected to one side end face of the symmetric center and communicated with the storage boxes, the conveying pump is communicated with the mixing cavity and connected with a water pipe, an electromagnetic valve is arranged on the water pipe on the right side, a valve body which is positioned on the left side of the electromagnetic valve is arranged on the water pipe on the right side, a valve body cavity which is communicated with the water pipe on the right side is arranged in the valve body, a flow limiting block is connected in the valve body cavity in a sliding manner, the flow cross-sectional area of the water pipe on the right side can be adjusted by the flow limiting block, an auxiliary valve body which is positioned on the right side of the electromagnetic valve is arranged on the water pipe on the left side, the auxiliary valve body cavity and the valve body cavity are respectively communicated with the auxiliary air cavity to be connected with an air path pipe, the upper end face of the flow limiting block is fixedly connected with a connecting rod which extends upwards to the air path pipe on the right side, the connecting rod is fixedly connected with a sliding plug which is connected to the air path pipe on the right side in a sliding manner, the air path pipe on the right side is fixedly connected with a limiting block which is positioned on the upper side of the sliding plug, the limiting block can be abutted against the sliding plug, the upper end face of the auxiliary flow limiting block is fixedly connected with a push rod which extends upwards to the air path pipe on the left side, the push rod is fixedly connected with an auxiliary sliding plug which is connected to the air path pipe on the left side in a sliding manner, the air path pipe on the left side is fixedly connected with an auxiliary; the left storage tank is used for storing fire-retardant coating stock solution, the right storage tank is used for storing diluted solution, when the stirring shaft does not rotate, the auxiliary flow limiting block is positioned at the lower limit position, the flow cross-sectional area of the water pipe communicated with the auxiliary valve body cavity is the smallest, the flow limiting block is positioned at the lower limit position, and the flow cross-sectional area of the valve body cavity communicated with the water pipe is the largest; the spraying device comprises a transverse guide rail fixedly connected to the left end face of the main cavity, a linear motor is connected to the front end face of the transverse guide rail in a sliding manner, a lifting guide rail is fixedly connected to the left end face of the linear motor, a mechanical vision module for detecting the position of a cable is fixedly connected to the upper end face of the lifting guide rail, an auxiliary linear motor is connected to the left end face of the lifting guide rail in a sliding manner, a sliding table is fixedly connected to the left end face of the auxiliary linear motor, two symmetrical spray guns are connected to the lower end face of the sliding table in a sliding manner, a spray head is arranged on one side end face of the spray gun close to the center of symmetry, a downwardly extending rotating shaft is rotatably connected to the lower end face of the sliding table, an auxiliary motor fixedly connected to the lower end face, oval carousel with be connected with the connecting rod between the spray gun, and two the connecting rod about pivot axle center symmetry, the front side the spray gun with it has the conveyer pipe to communicate with each other between the delivery pump, conveyer pipe and rear side communicate with each other between the spray gun and be connected with vice conveyer pipe, fixedly connected with air pump on the terminal surface of main cavity upside, air pump and front side communicate with each other between the spray gun and be connected with the trachea, trachea and rear side communicate with each other between the spray gun and be connected with vice trachea.
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| CN111053295B (en) * | 2020-02-14 | 2020-12-04 | 新沂市锡沂高新材料产业技术研究院有限公司 | Printing and smearing device for feeding materials on surface of ceramic atomizing core |
| CN111266228B (en) * | 2020-03-17 | 2020-12-18 | 安徽天威羊绒制品有限公司 | Coating equipment capable of automatically adjusting dye concentration |
| CN111320219B (en) * | 2020-04-18 | 2020-12-25 | 安徽新宇生态产业股份有限公司 | Ecological restoration device for removing pollutants from polluted drainage basin |
| CN111729795B (en) * | 2020-07-02 | 2021-06-25 | 重庆医药高等专科学校 | Laboratory is with mixing atomizer certainly |
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| CN110333745A (en) * | 2019-08-09 | 2019-10-15 | 临海永存智能技术有限公司 | A kind of concentration of poison control device for toxicological experiment |
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| US6322630B1 (en) * | 1998-10-30 | 2001-11-27 | Nordson Corporation | Retractable coating dispenser and method |
| CN108295685A (en) * | 2018-04-12 | 2018-07-20 | 潘玉娇 | A kind of cable skin coatings injection-moulding device |
| CN109201410A (en) * | 2018-11-06 | 2019-01-15 | 李瑞鹏 | A kind of twisted glue stations of the ship armored cable cable core that can guarantee uniformity |
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