CN113000313A - Extrusion coating uniform speed control device - Google Patents
Extrusion coating uniform speed control device Download PDFInfo
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- CN113000313A CN113000313A CN202110208135.7A CN202110208135A CN113000313A CN 113000313 A CN113000313 A CN 113000313A CN 202110208135 A CN202110208135 A CN 202110208135A CN 113000313 A CN113000313 A CN 113000313A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
- B05C7/06—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work
- B05C7/08—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work for applying liquids or other fluent materials to the inside of tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
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Abstract
The extrusion coating uniform speed control device of the invention comprises: the device comprises an extrusion coating pipeline, a feeding pipe and an extrusion coating emitter, wherein one end of the extrusion coating pipeline is communicated with one end of the feeding pipe, the extrusion coating emitter is arranged on the outer wall of the feeding pipe, and a coater is arranged at the other end of the feeding pipe. Air with uniform flow rate is conveyed through the ventilation equipment, so that the applicator moves forwards at a uniform speed, the coating is uniformly coated on the inner wall of the extrusion coating pipeline, the coating is uniform and is not easy to fall off, and the corrosion speed of the pipeline is reduced.
Description
Technical Field
The invention belongs to the technical field of pipeline corrosion prevention, and particularly relates to a uniform extrusion coating control device.
Background
The corrosion prevention of the pipeline is a protection technology for preventing the pipeline from being corroded by soil, air and transmission media (petroleum, natural gas and the like). Pipelines for conveying oil and gas are mostly in a complex soil environment, and conveyed media are also corrosive, so that the inner wall and the outer wall of the pipeline can be corroded. Once the pipeline is corroded and perforated, oil and gas are lost, which not only interrupts transportation, but also pollutes the environment and even can cause fire hazard and causes harm. Description of corrosion phenomena of pipes corrosion is understood to be a chemical reaction of the material in the environment in which it is located, which reaction can cause loss of pipe material and lead to failure of the pipe components and even the entire pipe system. In a pipeline system, corrosion is defined as: depending on the particular pipeline environment, chemical reactions, electrochemical reactions, and microbial attack that occur in all metallic and non-metallic materials of the pipeline system can lead to damage and loss of pipeline structure and other materials. In addition to direct damage to the material from corrosion, pipe damage caused by corrosion products can also be considered corrosion damage. Whether the pipeline corrosion will spread or not depends on the erosive power of the corrosive medium and the corrosion resistance of the existing pipeline material. The coating formed by coating the coating on the inner wall of the pipeline is an important means for pipeline corrosion prevention, and the coating is usually coated on the inner wall of the pipeline by adopting an extrusion coating process, so that the coating speed is not easy to control, the thickness of the coating is uneven, and the coating is easy to fall off.
Disclosure of Invention
Therefore, the invention aims to solve the problems that the coating speed is not easy to control, the thickness of the coating is uneven, and the coating is easy to fall off in the prior art.
Therefore, the technical scheme is that the extrusion coating constant speed control device comprises: the extrusion coating device comprises an extrusion coating pipeline, a feeding pipe and an extrusion coating emitter, wherein one end of the extrusion coating pipeline is communicated with one end of the feeding pipe, the extrusion coating emitter is arranged on the outer wall of the feeding pipe, and an applicator is arranged in the other end of the feeding pipe.
Preferably, the pan feeding pipe is kept away from one end of the extrusion coating pipeline is communicated with one end of the air inlet pipe, the other end of the air inlet pipe is communicated with one end of the air supply high-pressure rubber pipe, and the other end of the air supply high-pressure rubber pipe is communicated with a first output end of the air compressor.
Preferably, the air inlet pipe is provided with a pneumatic control valve and a flowmeter respectively, the extrusion coating controller is electrically connected with the pneumatic control valve and the flowmeter respectively, the second output end of the air compressor is communicated with one end of the hose, and the other end of the hose is communicated with the air inlet end of the pneumatic control valve.
Preferably, the port of the extrusion coating pipeline is communicated with the port of the feeding pipe through a flange.
Preferably, the accumulated air inflow, the instantaneous flow, the pressure, the temperature and other data of the compressed air at the end of the pipeline during extrusion coating are measured in real time, the real-time measured data are transmitted into the extrusion coating controller, the measured accumulated air inflow is calculated by a conversion formula to obtain the volume of the compressed air entering the pipeline at any time point under the working condition state, the volume under the working condition state is divided by the inner diameter sectional area of the pipeline during extrusion coating to obtain the length distance that the applicator has advanced, the average speed and the instantaneous speed of the applicator can be calculated by the length distance and the time of different time points, the calculated instantaneous speed is compared with the preset speed to automatically adjust and control the opening of the pneumatic regulating valve, so that the uniform advancement of the applicator is realized, and the calculation formula is as follows:
LT＝PN/(Pa+P)*T/TN*Z/ZN*QN/S
wherein Q isVCumulative volume air input (m) under the working condition at a certain time point3/h)，
QNCumulative volume intake air amount (m) in a standard condition measured at a certain time point3/h)，
PNAtmospheric pressure under standard condition (101.325 KP)a)，
P atmospheric pressure (101.325 KP) at the measurement pointa)，
P. measuring pressure (KP) of outlet pipeline port by flowmetera)，
T, the flow meter measures the absolute temperature (K) of the compressed air at the pipeline outlet,
TNabsolute temperature of compressed air under standard conditions (293.15K)
ZNThe compression coefficient of the compressed air under the standard condition is 1
Z is the compression coefficient of the compressed air under the working condition, the value is 1-1.5 (constant),
LTdistance of advance (m) of applicator at time point T
S is the inner diameter cross-sectional area (m) of the pipeline2)
Preferably, the applicator is spherical.
Preferably, the extrusion coating emitter comprises: a material conveying pipe, a material storage box, a rotary drum, fan blades, a power box, a first motor, a cam, an eccentric column and a gear,
one end of the conveying pipe is communicated with the feeding pipe, the other end of the conveying pipe is communicated with the lower end of the material storage box, a rotary drum is arranged in the conveying pipe, and a plurality of fan blades are arranged on the outer wall of the rotary drum along the circumferential direction;
the outer wall of the conveying pipe is provided with a power box, the inner wall of the power box is provided with a first motor, an output shaft of the first motor is connected with a cam, an eccentric column is arranged on the cam, a first rotating shaft is arranged on the right side of the cam, one end of the first rotating shaft is rotatably connected with the inner wall of the power box, a gear is arranged on the first rotating shaft, the other end of the first rotating shaft sequentially penetrates through the wall surface of the power box and the wall surface of the conveying pipe and extends into the conveying pipe to be coaxially connected with the rotating drum, and the first rotating shaft is rotatably connected with the wall surface of the conveying pipe;
a warping rod is arranged above the cam, a roller is arranged at one end of the warping rod, the roller is in contact with the top end of the cam, the other end of the warping rod is hinged with the upper end of a moving rod in the vertical direction, a supporting rod is arranged in the middle of the warping rod and is perpendicular to the warping rod, one end of the supporting rod is hinged with the warping rod, the other end of the supporting rod is connected with the inner wall of the power box, a clamping column is arranged at the lower end of the moving rod and can be clamped between teeth of the gear, an opening in the vertical direction is formed in the moving rod, and the first rotating shaft penetrates through the opening;
the eccentric column is hinged with one end of a first connecting rod, the other end of the first connecting rod extends to the position above the gear, a rack is arranged on one side, close to the gear, of the first connecting rod and can be meshed with the gear, a guide groove extending in the length direction is formed in the first connecting rod and is positioned above the rack, a sliding block is arranged in the guide groove and can slide in the guide groove in a reciprocating mode, a fixed column is arranged on the moving rod and is positioned above the first connecting rod, one end of the fixed column is connected with the moving rod, the other end of the fixed column is hinged with one end of the connecting rod, the other end of the connecting rod is connected with the sliding block, a fixed plate in the horizontal direction is arranged below the tilting rod and is connected with the inner wall of the power box, and one end, close to the moving rod, of the tilting rod is connected with one, the other end of the spring is connected with the fixed plate.
Preferably, the storage box outer wall is provided with the inlet pipe, be provided with the lid on the inlet pipe.
Preferably, the stirring device further comprises a stirring device, and the stirring device comprises: a groove body, a second motor, a rotating rod, a sector gear, a moving block, a cylindrical gear and a mixing drum,
a groove body is arranged at the top end of the storage box, a second motor is arranged on the inner wall of the groove body, an output shaft of the second motor is vertically connected with one end of a rotating rod, the other end of the rotating rod is hinged with one end of a second connecting rod, a second rotating shaft is arranged on the left side of the first motor, a sector gear is coaxially arranged on the second rotating shaft, two ends of the second rotating shaft are respectively and rotatably connected with the inner wall of the groove body, a sliding groove extending along the radial direction is arranged on the sector gear, a moving block is arranged in the sliding groove and can slide in the sliding groove in a reciprocating manner, and one end, away from the rotating rod, of the second connecting rod is hinged with the moving block;
the bottom wall of the chute is evenly provided with a plurality of threaded holes at intervals in the length direction, an adjusting bolt is arranged on the moving block, the adjusting bolt penetrates through the moving block and is in threaded connection with the threaded holes, a cylindrical gear is arranged above the sector gear and is meshed with the sector gear, a third rotating shaft is coaxially arranged on the cylindrical gear, the cylindrical gear is fixedly connected with the third rotating shaft, one end of the third rotating shaft is rotatably connected with the inner wall of the groove body, the other end of the third rotating shaft extends into the storage box and is coaxially connected with a stirring barrel, and a plurality of stirring blades are arranged on the outer wall of the stirring barrel in the circumferential direction.
The technical scheme of the invention has the following advantages: the extrusion coating uniform speed control device of the invention comprises: the extrusion coating device comprises an extrusion coating pipeline, a feeding pipe and an extrusion coating emitter, wherein one end of the extrusion coating pipeline is communicated with one end of the feeding pipe, the extrusion coating emitter is arranged on the outer wall of the feeding pipe, and an applicator is arranged in the other end of the feeding pipe. Air with uniform flow rate is conveyed through the ventilation equipment, so that the applicator moves forwards at a uniform speed, the coating is uniformly coated on the inner wall of the extrusion coating pipeline, the coating is uniform and is not easy to fall off, and the corrosion speed of the pipeline is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the construction of an extrusion coating emitter according to the present invention;
FIG. 3 is a schematic view of the structure of the rotor and the fan blade of the present invention;
FIG. 4 is a schematic view of the cam and the first motor of the present invention;
FIG. 5 is a schematic view showing the internal structure of the power case of the present invention;
FIG. 6 is a schematic view of the structure of a stirring apparatus of the present invention;
FIG. 7 is a schematic view showing the structure of a mixing drum and mixing blades according to the present invention.
Wherein, 1-extrusion coating pipeline, 2-feeding pipe, 3-extrusion coating emitter, 4-applicator, 5-air inlet pipe, 6-air supply high pressure rubber pipe, 7-air compressor, 8-pneumatic regulating valve, 9-flowmeter, 10-extrusion coating controller, 11-hose, 12-material conveying pipe, 13-material storage box, 14-rotary drum, 15-fan blade, 16-power box, 17-first motor, 18-cam, 19-eccentric column, 20-gear, 21-first rotating shaft, 22-warping rod, 23-roller, 24-moving rod, 25-opening, 26-first connecting rod, 27-rack, 28-guide groove, 29-slide block, 30-clamping column, 31-fixed column, 32-connecting rod, 33-a fixed plate, 34-a spring, 35-a feeding pipe, 36-a cover, 37-a groove body, 38-a second motor, 39-a rotating rod, 40-a second rotating shaft, 42-a sector gear, 43-a sliding groove, 44-a moving block, 45-a threaded hole, 46-an adjusting bolt, 47-a cylindrical gear, 48-a third rotating shaft, 49-a stirring barrel and 50-a stirring blade.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The extrusion coating uniform speed control device of the invention is shown in figure 1 and comprises: the extrusion coating device comprises an extrusion coating pipeline 1, a feeding pipe 2 and an extrusion coating emitter 3, wherein one end of the extrusion coating pipeline 1 is communicated with one end of the feeding pipe 2, the extrusion coating emitter 3 is arranged on the outer wall of the feeding pipe 2, and an applicator 4 is arranged at the other end of the feeding pipe 2.
The working principle and the beneficial technical effects of the technical scheme are as follows: the extrusion coating emitter 3 conveys the coating into the feeding pipe 2, one end of the feeding pipe 2, which is far away from the extrusion coating pipeline 1, is connected with an air charging device, and air with uniform flow rate is conveyed through an air ventilation device, so that the applicator 4 moves forwards at a uniform speed, the coating is uniformly coated on the inner wall of the extrusion coating pipeline, the coating is uniform and is not easy to fall off, and the corrosion speed of the pipeline is reduced.
In one embodiment, as shown in fig. 1, one end of the feeding pipe 2 away from the extrusion coating pipeline 1 is communicated with one end of an air inlet pipe 5, the other end of the air inlet pipe 5 is communicated with one end of an air supply high-pressure rubber pipe 6, the other end of the air supply high-pressure rubber pipe 6 is communicated with a first output end of an air compressor 7, compressed air is delivered to the air inlet pipe 5 through the air compressor 7, and driving force is provided for the applicator 4.
Be provided with pneumatic control valve 8 and flowmeter 9 on the intake pipe 5 respectively, crowded control appearance 10 respectively with pneumatic control valve 8, flowmeter 9 electric connection, the second output and the 11 one end of hose intercommunication of air compressor machine 7, the hose 11 other end and pneumatic control valve 8's inlet end intercommunication, through the real-time flow in the 9 measuring tube of flowmeter, with real-time flow transmission crowded control appearance 10 in, real-time detection's flow contrasts with the flow that sets up, adjusts the size of flow through pneumatic control valve 8, keeps the even of air input in the intake pipe.
In one embodiment, the port of the extrusion coating pipeline 1 is communicated with the port of the feeding pipe 2 through a flange, so that the assembly and disassembly are convenient.
The method comprises the following steps of measuring data such as accumulated air inflow, instantaneous flow, pressure and temperature of compressed air at the end of a pipeline 1 during extrusion coating in real time, transmitting the real-time measured data into an extrusion coating controller 10, calculating the volume of the compressed air entering the pipeline at any time point through a conversion formula under a working condition by the measured accumulated air inflow, dividing the volume under the working condition by the inner diameter sectional area of the pipeline 1 during extrusion coating to obtain the length distance of the advancing applicator 4, calculating the average speed and the instantaneous speed of the applicator according to the length distance and time of different time points, and comparing the calculated instantaneous speed with a preset speed to automatically adjust and control the opening of a pneumatic control valve 8 so as to realize the uniform advancing of the applicator, wherein the calculation formula is as follows:
LT＝PN/(Pa+P)*T/TN*Z/ZN*QN/S
wherein Q isVCumulative volume air input (m) under the working condition at a certain time point3/h)
QNCumulative volume intake air amount (m) in a standard condition measured at a certain time point3/h)
PNAtmospheric pressure under standard condition of 101.325KPa
PaAtmospheric pressure (101.325 KP) at the measurement pointa)
P. measuring pressure (KP) of outlet pipeline port by flowmetera)
T-flow meter measuring the absolute temperature (K) of the compressed air exiting the pipeline opening
TNAbsolute temperature of compressed air under standard conditions (293.15K)
ZNThe compression coefficient of the compressed air under the standard condition is 1
Z is the compression coefficient of the compressed air under the working condition, and the value is 1-1.5 (constant)
LTThe applicator is advanced by a length distance (m) at time point T,
s is the inner diameter cross-sectional area (m) of the pipeline2)
In one embodiment, the applicator 4 is spherical to facilitate rolling and to push the coating material forward at a constant speed.
In one embodiment, as shown in fig. 2-5, the extrusion coating emitter 3 comprises: a feed delivery pipe 12, a storage box 13, a rotary drum 14, fan blades 15, a power box 16, a first motor 17, a cam 18, an eccentric column 19 and a gear 20,
one end of the material conveying pipe 12 is communicated with the material inlet pipe 2, the other end of the material conveying pipe 12 is communicated with the lower end of the material storage box 13, a rotary drum 14 is arranged in the material conveying pipe 12, and a plurality of fan blades 15 are arranged on the outer wall of the rotary drum 14 along the circumferential direction;
a power box 16 is arranged on the outer wall of the material conveying pipe 12, a first motor 17 is arranged on the inner wall of the power box 16, an output shaft of the first motor 17 is connected with a cam 18, an eccentric column 19 is arranged on the cam 18, a first rotating shaft 21 is arranged on the right side of the cam 18, one end of the first rotating shaft 21 is rotatably connected with the inner wall of the power box 16, a gear 20 is arranged on the first rotating shaft 21, the other end of the first rotating shaft 21 sequentially penetrates through the wall surface of the power box 16 and the wall surface of the material conveying pipe 12 and extends into the material conveying pipe 12 to be coaxially connected with a rotating cylinder 14, and the first rotating shaft 21 is rotatably connected with the wall surface of the material conveying pipe 12;
a warping rod 22 is arranged above the cam 18, a roller 23 is arranged at one end of the warping rod 22, the roller 23 is in contact with the top end of the cam 18, the other end of the warping rod 22 is hinged to the upper end of a moving rod 24 in the vertical direction, a supporting rod 35 is arranged in the middle of the warping rod 22, the supporting rod 35 is perpendicular to the warping rod 22, one end of the supporting rod 35 is hinged to the warping rod 22, the other end of the supporting rod 35 is connected with the inner wall of the power box 16, a clamping column 30 is arranged at the lower end of the moving rod 24, the clamping column 30 can be clamped between teeth of the gear 20, an opening 25 in the vertical direction is formed in the moving rod 24, and the first rotating shaft 21 penetrates through the opening 25;
the eccentric column 19 is hinged to one end of a first connecting rod 26, the other end of the first connecting rod 26 extends to the upper side of the gear 20, a rack 27 is arranged on one side, close to the gear 20, of the first connecting rod 26, the rack 27 can be meshed with the gear 20, a guide groove 28 extending in the length direction is arranged on the first connecting rod 26, the guide groove 28 is located above the rack 27, a sliding block 29 is arranged in the guide groove 28, the sliding block 29 can slide in the guide groove 28 in a reciprocating manner, a fixed column 31 is arranged on the moving rod 24, the fixed column 31 is located above the first connecting rod 26, one end of the fixed column 31 is connected with the moving rod 24, the other end of the fixed column 31 is hinged to one end of a connecting rod 32, the other end of the connecting rod 32 is connected with the sliding block 29, a fixed plate 33 in the horizontal direction is arranged below the tilting rod 22, and the fixed, one end of the tilting rod 22 close to the moving rod 24 is connected with one end of a spring 34, and the other end of the spring 34 is connected with the fixed plate 33.
The working principle and the beneficial technical effects of the technical scheme are as follows: the storage box 13 is used for storing paint, the first motor 17 is started to drive the cam 18 to rotate, under the action of the elastic force of the spring 34, the roller 23 at the left end of the tilting rod 22 is tightly attached to the cam, the tilting rod 22 swings up and down around the support rod 35 along with the rotation of the cam 18 to drive the moving rod 24 to move up and down, when the moving rod 24 moves up, the first connecting rod 26 and the rack 27 are driven to move up, the rack 27 is disengaged from the gear 20, the clamping column 30 moves up and is clamped between teeth of the gear 20, the gear 20 cannot rotate, when the moving rod 24 moves down, the clamping column 30 is disengaged from teeth of the gear 20, the rack 27 moves down to enable the rack 27 to be engaged with the gear 20, the rotation of the cam 18 can drive the rack 27 to reciprocate left and right, the slide block 29 slides in the guide groove 28 to play a supporting and guiding role, the gear 20 is driven to rotate through the engagement of the rack 27 and the gear 20, during the intermittence period, the gear 20 is clamped by the clamping column 30 so as to prevent reverse rotation, the gear 20 drives the first rotating shaft 21, the rotating cylinder 14 and the fan blades 15 to intermittently rotate, so that the paint in the storage box 13 is intermittently and uniformly conveyed into the feeding pipe 2 through the conveying pipe 12, even if the paint is acted by high-pressure gas, the paint cannot reversely rotate during the intermittence period of the fan blades 15, the reverse flow of the paint is avoided, and the stability and uniformity of paint conveying are improved.
In one embodiment, a feed tube 35 is provided on the outer wall of the storage tank 13, a lid 36 is provided on the feed tube 35, and when the storage tank 13 runs out of paint, the lid 36 is opened to replenish paint through the feed tube 35.
In one embodiment, as shown in fig. 6-7, further comprising a stirring device comprising: a groove body 37, a second motor 38, a rotating rod 39, a sector gear 42, a moving block 44, a cylindrical gear 47 and a stirring cylinder 49,
a groove body 37 is arranged at the top end of the storage box 13, a second motor 38 is arranged on the inner wall of the groove body 37, an output shaft of the second motor 38 is vertically connected with one end of a rotating rod 39, the other end of the rotating rod 39 is hinged with one end of a second connecting rod 40, a second rotating shaft 41 is arranged on the left side of the first motor 38, a sector gear 42 is coaxially arranged on the second rotating shaft 41, two ends of the second rotating shaft 41 are respectively and rotatably connected with the inner wall of the groove body 37, a sliding groove 43 extending along the radial direction is arranged on the sector gear 42, a moving block 44 is arranged in the sliding groove 43, the moving block 44 can slide in the sliding groove 43 in a reciprocating manner, and one end, far away from the rotating rod 39, of the second connecting rod 40 is hinged with;
a plurality of threaded holes 45 are uniformly formed in the bottom wall of the chute 43 at intervals in the length direction, an adjusting bolt 46 is arranged on the moving block 44, the adjusting bolt 46 penetrates through the moving block 44 to be in threaded connection with the threaded holes 45, a cylindrical gear 47 is arranged above the sector gear 42, the cylindrical gear 47 is meshed with the sector gear 42, a third rotating shaft 48 is coaxially arranged on the cylindrical gear 47, the cylindrical gear 47 is fixedly connected with the third rotating shaft 48, one end of the third rotating shaft 48 is rotatably connected with the inner wall of the groove body 37, the other end of the third rotating shaft 48 extends into the storage tank 13 to be coaxially connected with a stirring barrel 49, and a plurality of stirring blades 50 are circumferentially arranged on the outer wall of the stirring barrel 49.
The working principle and the beneficial technical effects of the technical scheme are as follows: a little sedimentation can occur in the discharged material stored in the material storage box 13, in order to ensure the uniformity of the coating, when spraying, the second motor 38 is started to drive the rotating rod 39 to rotate, the sector gear 42 is driven to do the alternate forward and reverse motion through the connecting rod mechanism formed by the rotating rod 39 and the second connecting rod 40, the sector gear 42 is driven to do the alternate forward and reverse rotation through the meshing of the sector gear 42 and the cylindrical gear 47, the cylindrical gear 47 is driven to do the alternate forward and reverse rotation, the third rotating shaft 48, the stirring cylinder 49 and the stirring blade 50 which are connected with the cylindrical gear 47 can do the alternate forward and reverse rotation to stir the coated glue, thereby preventing the sedimentation of the coating; when the coating is more viscous, the moving block 44 can be unscrewed, the moving block 44 is pushed to reciprocate in the chute 43, and the swing amplitude of the sector gear 42 is adjusted, so that the amplitude of forward and reverse alternate rotation of the stirring cylinder 49 and the stirring blade 50 is changed, the required stirring efficiency is achieved, the uniformity of the coating is ensured, and the coating is more uniform on the inner wall of the pipeline.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. Extrusion coating is controlling means at uniform velocity, its characterized in that includes: crowded pipeline (1), pan feeding pipe (2), crowded transmitter (3) of scribbling, crowded pipeline (1) one end of scribbling with pan feeding pipe (2) one end intercommunication, be provided with crowded transmitter (3) of scribbling on the outer wall of pan feeding pipe (2), be provided with applicator (4) in the pan feeding pipe (2) other end.
2. The extrusion coating uniform speed control device according to claim 1, wherein one end of the feeding pipe (2) far away from the extrusion coating pipeline (1) is communicated with one end of an air inlet pipe (5), the other end of the air inlet pipe (5) is communicated with one end of an air supply high-pressure rubber pipe (6), and the other end of the air supply high-pressure rubber pipe (6) is communicated with a first output end of an air compressor (7).
3. The extrusion coating uniform speed control device according to claim 2, wherein a pneumatic control valve (8) and a flow meter (9) are respectively arranged on the air inlet pipe (5), the extrusion coating controller (10) is respectively electrically connected with the pneumatic control valve (8) and the flow meter (9), a second output end of the air compressor (7) is communicated with one end of a hose (11), and the other end of the hose (11) is communicated with an air inlet end of the pneumatic control valve (8).
4. The extrusion coating constant-speed control device according to claim 1, wherein the port of the extrusion coating pipeline (1) is communicated with the port of the feeding pipe (2) through a flange.
5. The extrusion coating uniform speed control device according to claim 3, characterized in that by measuring the data of the accumulated air input, the instantaneous flow, the pressure, the temperature and the like of the compressed air at the end part of the pipeline (1) in extrusion coating in real time, real-time measurement data is transmitted into the extrusion coating control instrument (10), the measured accumulated air inflow calculates the volume of compressed air entering the pipeline at any time point through a conversion formula under the working condition, the volume under the working condition is divided by the inner diameter sectional area of the pipeline (1) during extrusion coating, and the inner diameter sectional area is the length distance that the applicator (4) has advanced, the average speed and the instantaneous speed of the applicator can be calculated through the length distance and the time of different time points, the calculated instantaneous speed is compared with the preset speed to automatically adjust and control the opening degree of the pneumatic control valve (8), so that the uniform speed advance of the applicator is realized, and the calculation formula is as follows:
LT＝PN/(Pa+P)*T/TN*Z/ZN*QN/S
wherein Q isVCumulative volume air input (m) under the working condition at a certain time point3/h)，
QNCumulative volume intake air amount (m) in a standard condition measured at a certain time point3/h)，
PNAtmospheric pressure under standard condition of 101.325KPa，
PaAtmospheric pressure (101.325 KP) at the measurement pointa)，
P. measuring pressure (KP) of outlet pipeline port by flowmetera)，
T, the flow meter measures the absolute temperature (K) of the compressed air at the pipeline outlet,
TNthe absolute temperature of the compressed air in the standard condition (293.15K),
ZNthe compression coefficient of the compressed air under the standard condition is 1,
z is the compression coefficient of the compressed air under the working condition, the value is 1-1.5 (constant),
LTthe applicator is advanced by a length distance (m) at time point T,
s is the inner diameter cross-sectional area (m) of the pipeline2)。
6. The extrusion coating uniform speed control device according to claim 1, wherein the applicator (4) is spherical.
7. The extrusion coating uniform speed control device according to claim 1, wherein the extrusion coating emitter (3) comprises: a delivery pipe (12), a storage box (13), a rotary drum (14), fan blades (15), a power box (16), a first motor (17), a cam (18), an eccentric column (19) and a gear (20),
one end of the material conveying pipe (12) is communicated with the material feeding pipe (2), the other end of the material conveying pipe (12) is communicated with the lower end of the material storage box (13), a rotary drum (14) is arranged in the material conveying pipe (12), and a plurality of fan blades (15) are arranged on the outer wall of the rotary drum (14) along the circumferential direction;
a power box (16) is arranged on the outer wall of the conveying pipe (12), a first motor (17) is arranged on the inner wall of the power box (16), an output shaft of the first motor (17) is connected with a cam (18), an eccentric column (19) is arranged on the cam (18), a first rotating shaft (21) is arranged on the right side of the cam (18), one end of the first rotating shaft (21) is rotatably connected with the inner wall of the power box (16), a gear (20) is arranged on the first rotating shaft (21), the other end of the first rotating shaft (21) sequentially penetrates through the wall surface of the power box (16) and the wall surface of the conveying pipe (12) and extends into the conveying pipe (12) to be coaxially connected with the rotating cylinder (14), and the first rotating shaft (21) is rotatably connected with the wall surface of the conveying pipe (12);
a warping rod (22) is arranged above the cam (18), a roller (23) is arranged at one end of the warping rod (22), the roller (23) is in contact with the top end of the cam (18), the other end of the warping rod (22) is hinged to the upper end of a moving rod (24) in the vertical direction, a supporting rod (35) is arranged in the middle of the warping rod (22), the supporting rod (35) is perpendicular to the warping rod (22), one end of the supporting rod (35) is hinged to the warping rod (22), the other end of the supporting rod (35) is connected with the inner wall of the power box (16), a clamping column (30) is arranged at the lower end of the moving rod (24), the clamping column (30) can be clamped between teeth of the gear (20), an opening (25) in the vertical direction is formed in the moving rod (24), and the first rotating shaft (21) penetrates through the opening (25);
the eccentric column (19) is hinged to one end of a first connecting rod (26), the other end of the first connecting rod (26) extends to the upper portion of the gear (20), a rack (27) is arranged on one side, close to the gear (20), of the first connecting rod (26), the rack (27) can be meshed with the gear (20), a guide groove (28) extending along the length direction is formed in the first connecting rod (26), the guide groove (28) is located above the rack (27), a sliding block (29) is arranged in the guide groove (28), the sliding block (29) can slide in the guide groove (28) in a reciprocating mode, a fixed column (31) is arranged on the moving rod (24), the fixed column (31) is located above the first connecting rod (26), one end of the fixed column (31) is connected with the moving rod (24), and the other end of the fixed column (31) is hinged to one end of a connecting rod (32), the connecting rod (32) other end is connected with slider (29), the below of perk pole (22) is provided with fixed plate (33) of horizontal direction, fixed plate (33) with headstock (16) inner wall connection, perk pole (22) are close to the one end and the spring (34) one end of carriage release lever (24) are connected, spring (34) the other end with fixed plate (33) are connected.
8. The extrusion coating uniform speed control device according to claim 7, wherein a feeding pipe (35) is arranged on the outer wall of the storage box (13), and a cover (36), a sector gear (42), a cylindrical gear (47) and a stirring drum (49) are arranged on the feeding pipe (35).
9. The extrusion coating uniform speed control device according to claim 8, further comprising a stirring device, wherein the stirring device comprises: a groove body (37), a second motor (38), a rotating rod (39), a sector gear (42), a moving block (44), a cylindrical gear (47) and a stirring cylinder (49),
a groove body (37) is arranged at the top end of the storage box (13), a second motor (38) is arranged on the inner wall of the groove body (37), an output shaft of the second motor (38) is vertically connected with one end of a rotating rod (39), the other end of the rotating rod (39) is hinged with one end of a second connecting rod (40), a second rotating shaft (41) is arranged on the left side of the first motor (38), a sector gear (42) is coaxially arranged on the second rotating shaft (41), two ends of the second rotating shaft (41) are respectively and rotatably connected with the inner wall of the groove body (37), the sector gear (42) is provided with a sliding groove (43) extending along the radial direction, a moving block (44) is arranged in the sliding groove (43), the moving block (44) can slide in the sliding groove (43) in a reciprocating manner, one end of the second connecting rod (40) far away from the rotating rod (39) is hinged with the moving block (44);
a plurality of threaded holes (45) are uniformly arranged on the bottom wall of the sliding chute (43) at intervals along the length direction, an adjusting bolt (46) is arranged on the moving block (44), the adjusting bolt (46) penetrates through the moving block (44) to be in threaded connection with the threaded hole (45), a cylindrical gear (47) is arranged above the sector gear (42), the cylindrical gear (47) is meshed with the sector gear (42), a third rotating shaft (48) is coaxially arranged on the cylindrical gear (47), the cylindrical gear (47) is fixedly connected with the third rotating shaft (48), one end of the third rotating shaft (48) is rotationally connected with the inner wall of the groove body (37), the other end of the third rotating shaft (48) extends into the material storage box (13) and is coaxially connected with the stirring cylinder (49), the outer wall of the stirring cylinder (49) is provided with a plurality of stirring blades (50) along the circumferential direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208135.7A CN113000313A (en) | 2021-02-24 | 2021-02-24 | Extrusion coating uniform speed control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208135.7A CN113000313A (en) | 2021-02-24 | 2021-02-24 | Extrusion coating uniform speed control device |
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| CN113000313A true CN113000313A (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110208135.7A Pending CN113000313A (en) | 2021-02-24 | 2021-02-24 | Extrusion coating uniform speed control device |
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| CN (1) | CN113000313A (en) |
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