CN110270934B - Surface treatment process system and process for automobile plastic parts - Google Patents
Surface treatment process system and process for automobile plastic parts Download PDFInfo
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- CN110270934B CN110270934B CN201910546704.1A CN201910546704A CN110270934B CN 110270934 B CN110270934 B CN 110270934B CN 201910546704 A CN201910546704 A CN 201910546704A CN 110270934 B CN110270934 B CN 110270934B
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- nozzle
- axial flow
- flow fan
- fan
- steering engine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/083—Deburring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
- B24C3/04—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other stationary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
Abstract
The invention discloses a surface treatment process system of an automobile plastic accessory, which comprises a liquid sand blasting grinding box, wherein an inclined guide plate is arranged in the liquid sand blasting grinding box, the upper side of the guide plate is a jet flow grinding cavity, the lower side of the guide plate is provided with a vertical partition plate, the left side of the partition plate is a waste liquid cavity, and the right side of the partition plate is a lifting motor cavity; the short end of the guide plate is provided with a liquid leakage hole; according to the scheme, the manual intervention such as posture adjustment and spray angle adjustment on the sprayed workpiece is not needed in all processes, and the automation degree of the sand blasting process is improved.
Description
Technical Field
The invention belongs to the field of automobile accessory processing.
Background
The automobile axial flow fan blade is usually of a plastic structure formed in one step by adopting an injection molding process; many tiny burrs are left on the surface of a blade of the injection molding part and the outer edge of the reinforcing ring, so that the surface of the injection molding part is not smooth, the smoothness is not high, the burrs are prone to being generated, the injection molding part is not attractive, the injection molding part does not have the hazards of grade, extra noise and the like, and in order to improve the grade of the workpiece, the outer surface of a blank of the injection molding part needs to be subjected to sand blasting polishing treatment; the structure of the fan blade is complex, and the surface sand blasting procedure is complex; many of the prior injection molding fans have abandoned the sand blasting process.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a surface treatment process system and process for an automobile plastic part, which have high automation degree.
The technical scheme is as follows: in order to achieve the purpose, the surface treatment process system for the automobile plastic accessories comprises a liquid sand blasting grinding box, wherein an inclined guide plate is arranged in the liquid sand blasting grinding box, a jet flow grinding cavity is formed in the upper side of the guide plate, a vertical partition plate is arranged on the lower side of the guide plate, a waste liquid cavity is formed in the left side of the partition plate, and a lifting motor cavity is formed in the right side of the partition plate; the short end of the guide plate is provided with a liquid leakage hole, and the liquid leakage hole enables the bottom end of the jet flow grinding cavity to be communicated with the waste liquid cavity; the feeding end of the waste liquid discharge pipe is communicated with the waste liquid cavity; the jet flow polishing device also comprises an automobile plastic part to be subjected to sand blasting polishing, wherein the automobile plastic part is arranged in the jet flow polishing cavity; the car plastic accessories that the sandblast was polished can be treated to the sandblast mechanism and sandblast was polished.
Furthermore, a vertical lifting linear motor is installed in the lifting motor cavity, and the upper end of a lifting push rod of the lifting linear motor extends upwards into the jet flow polishing cavity; the upper end of the lifting push rod is fixedly connected with a bearing seat with the same axle center, and a damping bearing is arranged in the bearing seat with the same axle center; the jet flow polishing cavity is internally provided with a rotating support column, and the lower end of the rotating support column is coaxially and tightly sleeved on the inner ring of the damping bearing in a matching manner; the rotary supporting column can rotate along the axis of the damping bearing; the top end of the rotary supporting column is detachably provided with the automobile plastic accessory to be subjected to sand blasting polishing; the automobile plastic accessory is an automobile axial flow fan, the automobile axial flow fan comprises a central hub, a bearing mounting groove is coaxially arranged on the lower side of the central hub, three fan blades in a circumferential array along the central hub and a reinforcing ring, and the tail ends of the three fan blades are respectively and integrally connected with the annular inner edge of the reinforcing ring; the fan blades sequentially comprise a first fan blade, a second fan blade and a third fan blade; the upper end of the rotary supporting column is upwards coaxially and detachably inserted into the bearing mounting groove; the automobile axial flow fan and the rotating support column rotate synchronously; the top of the jet flow grinding cavity is fixedly provided with a vertical guide pillar, a movable ejector rod is coaxially arranged below the guide pillar, the upper end of the ejector rod is coaxially provided with a guide pillar movable channel, and the lower part of the guide pillar is coaxially movably inserted into the guide pillar movable channel; a first spring baffle disc is fixedly arranged on the outer wall of the movable ejector rod, a second spring baffle disc is fixedly arranged on the outer wall of the guide pillar, and a spring is arranged between the first spring baffle disc and the second spring baffle disc in a compressed manner; the lower end of the movable ejector rod is a spherical top, and the spherical top is downward and coaxially contacted with the upper surface of the central hub in a propping manner.
Furthermore, a horizontal sliding table is arranged on the outer side of the liquid sand blasting grinding box, a sliding rail is arranged on the sliding table, a horizontal steering engine is arranged in the sliding rail in a sliding mode, and the steering engine can slide along the length direction of the sliding rail; a steering engine shaft of the steering engine is vertical to the length direction of the sliding rail; one end of the horizontal sliding table is also fixedly connected with a horizontal linear motor; the tail end of a linear push rod of the linear motor is fixedly connected with the side part of the steering engine, and the linear motor drives the steering engine to move back and forth along the direction of the slide rail through the linear push rod;
a steering engine shaft probing groove in a transverse strip shape is hollowed in one side wall of the liquid sand blasting grinding box, the steering engine shaft probing groove and the automobile axial flow fan are located at equal heights, and the length direction of the steering engine shaft probing groove is parallel to the length direction of the sliding rail; the steering engine shaft transversely penetrates through the steering engine shaft probing groove, and the tail end of the steering engine shaft probes into the jet flow polishing cavity; a rocker arm perpendicular to the steering engine shaft is arranged in the jet polishing cavity, and one end of the rocker arm is fixedly connected with the tail end of the steering engine shaft; the steering engine is characterized by further comprising a supporting cross arm parallel to the steering engine shaft, one end of the supporting cross arm is fixedly connected with the other end of the rocker arm, the tail end of the supporting cross arm is fixedly connected with a nozzle mounting seat, and a row of longitudinal nozzles are mounted on the nozzle mounting seat in the extension direction; the rudder machine can synchronously drive the nozzle mounting seat to rotate around the axis of the steering machine shaft through the rudder machine shaft, the rocker arm and the supporting cross arm, and the nozzle mounting seat can respectively move to the upper part and the lower part of the automobile axial flow fan; when the nozzle mounting seat is positioned above the automobile axial flow fan, the first nozzle direction of each longitudinal nozzle faces downwards, and when the nozzle mounting seat is positioned below the automobile axial flow fan, the first nozzle direction of each longitudinal nozzle faces upwards;
a vertical second steering engine is fixedly mounted at the top in the jet polishing cavity, a second nozzle mounting seat is fixedly mounted at the lower end of a steering engine output shaft of the second steering engine, a transverse second nozzle is fixedly mounted on the second nozzle mounting seat, and the second nozzle rotates along the steering engine output shaft along with the second nozzle mounting seat; the second nozzle and the automobile axial flow fan are located at the same height position, jet flow sprayed out of a second nozzle of the second nozzle can be sprayed to the outer edge of the reinforcing ring, and the rotation of the output shaft of the steering engine can change the spraying direction of the second nozzle.
Further, the surface treatment process system of the automobile plastic fittings comprises the following steps:
the method comprises the following steps:
the method comprises the following steps that firstly, a movable ejector rod is manually supported upwards, then the upper end of a rotating support column is upwards coaxially inserted into a bearing installation groove on the lower side of a central hub, then the movable ejector rod is released, and further the movable ejector rod enables a spherical surface top to downwards coaxially contact and press the upper surface of the central hub under the action of relaxation force of a spring, and at the moment, an automobile axial flow fan can rotate along the axis of a damping bearing along with the rotating support column under the action of external force; at the moment, the installation of the automobile axial flow fan to be subjected to sand blasting is realized;
controlling a steering engine to further control the rotation angle of a steering engine shaft so as to enable a nozzle mounting seat to move above an automobile axial flow fan, enabling a rocker arm to be in a vertical state in the state, and enabling first nozzle directions of all longitudinal nozzles on the nozzle mounting seat to face downwards at the moment;
step three, starting a second steering engine, further rotating an output shaft of the steering engine to change the jet direction of a second nozzle, controlling the deflection angle of the output shaft of the steering engine to further adjust the jet direction sprayed by the second nozzle, further enabling the mixed liquid jet of the abrasive and the water sprayed by the second nozzle to impact the outer edge of a reinforcing ring and then generating clockwise torsion on the automobile axial flow fan, and enabling the automobile axial flow fan to slowly rotate after the clockwise torsion overcomes the resistance of a damping bearing; until the first fan blade on the automobile axial flow fan is positioned right below the nozzle mounting seat, controlling each longitudinal nozzle at the moment, enabling the first nozzle of each longitudinal nozzle to spray mixed liquid jet of abrasive and water to vertically and downwards impact the upper side surface of the first fan blade, further enabling the jet of the first fan blade to downwards impact the automobile axial flow fan to generate anticlockwise torsion, enabling the anticlockwise torsion of the automobile axial flow fan to be larger than the clockwise torsion of the automobile axial flow fan at the moment, and further enabling the automobile axial flow fan to start to slowly rotate anticlockwise at the moment; along with the anticlockwise rotation of the automobile axial flow fan, the first fan blade deflects at a certain angle, the jet flow of mixed liquid of abrasive and water sprayed by the first nozzle of each longitudinal nozzle does not completely impact the first fan blade, the torsion of the automobile axial flow fan in the anticlockwise direction is reduced, and the torsion of the automobile axial flow fan in the clockwise direction is kept unchanged; then the automobile axial flow fan at the moment starts to rotate clockwise slowly, the first fan blade is restored to be right below the nozzle mounting seat along with the clockwise rotation of the automobile axial flow fan, and the first nozzle of each longitudinal nozzle sprays mixed liquid jet of abrasive and water to vertically and downwards impact the upper side face of the first fan blade again; so that the torque force applied to the automobile axial flow fan in the anticlockwise direction is larger than the torque force applied to the automobile axial flow fan in the clockwise direction; the automobile axial flow fan rotates anticlockwise slowly, the automobile axial flow fan deflects periodically clockwise and anticlockwise alternately under the comprehensive action of each longitudinal nozzle and each second nozzle according to the rule, the first fan blade swings back and forth below each longitudinal nozzle, meanwhile, the linear motor is controlled, the linear push rod drives the steering engine to float back and forth periodically along the direction of the sliding rail, the steering engine shaft floats back and forth along the length direction of the detection groove of the steering engine shaft, each longitudinal nozzle floats back and forth along the length direction of the detection groove of the steering engine shaft, and jet flow sprayed by each longitudinal nozzle impacts the upper side face of the automobile axial flow fan more uniformly; until the upper surface of the first fan blade is uniformly washed by the mixture of the abrasive and the water, the sand blasting process of the upper side surface of the first fan blade is further realized;
step three, suspending each longitudinal nozzle, maintaining the operation of the second nozzle, and spraying mixed liquid jet of the abrasive and water from the second nozzle to impact the outer edge of the reinforcing ring to generate clockwise torsion on the automobile axial flow fan, wherein the clockwise torsion overcomes the resistance of the damping bearing and then enables the automobile axial flow fan to slowly rotate clockwise; until a second fan blade on the automobile axial flow fan is positioned right below the nozzle mounting seat; then, realizing the sand blasting process of the upper side surface of the second fan blade by referring to the mode of the second step; then, the sand blasting process of the upper side surface of the third fan blade is realized according to the rule; the automobile axial flow fan rotates for a circle when the upper side surfaces of the first fan blade, the second fan blade and the third fan blade are subjected to a sand blasting process, then mixed liquid jet flow of abrasive and water sprayed by a second nozzle of the second nozzle completely washes the outer edge of the reinforcing ring for one time, and meanwhile, the lifting linear motor is always in a running state, the lifting linear motor enables the automobile axial flow fan to be always in a vertically shaking state through the lifting push rod, and the vertical shaking amplitude of the automobile axial flow fan is not more than the longitudinal thickness dimension of the reinforcing ring; the mixed liquid jet flow of the abrasive and the water sprayed by the second nozzle can be sprayed to the outer edge of the reinforcing ring all the time, and the up-and-down shaking of the automobile axial flow fan enables the outer edge of the reinforcing ring to be sprayed more uniformly, so that a one-time complete sand spraying process of the outer edge of the reinforcing ring is realized;
step four, controlling the steering engine to further control the steering engine shaft to rotate 180 degrees anticlockwise, further enabling the nozzle mounting seat to move to the position below the automobile axial flow fan, enabling the rocker arm to be in a vertical state in the state, and enabling the first nozzle direction of each longitudinal nozzle on the nozzle mounting seat to be upward;
step five, starting a second steering engine, further rotating an output shaft of the steering engine to change the jet direction of a second nozzle, controlling the deflection angle of the output shaft of the steering engine to further adjust the jet direction sprayed by the second nozzle, further enabling the mixed liquid jet of the abrasive and the water sprayed by the second nozzle to impact the outer edge of a reinforcing ring and then generating anticlockwise torque on the automobile axial flow fan, and enabling the automobile axial flow fan to slowly rotate anticlockwise after overcoming the resistance of a damping bearing through the anticlockwise torque; until the first fan blade on the automobile axial flow fan is positioned right above the nozzle mounting seat, controlling each longitudinal nozzle at the moment, enabling the first nozzle of each longitudinal nozzle to spray mixed liquid jet of abrasive and water to vertically and upwards impact the lower side surface of the first fan blade, further enabling the automobile axial flow fan to generate clockwise torsion by upwards impacting the jet of the first fan blade, enabling the clockwise torsion of the automobile axial flow fan at the moment to be larger than the anticlockwise torsion of the automobile axial flow fan at the moment, and further enabling the automobile axial flow fan to start to slowly rotate clockwise at the moment; along with the clockwise rotation of the automobile axial flow fan, the first fan blade deflects at a certain angle, the mixed liquid jet flow of the abrasive and the water sprayed by the first nozzle of each longitudinal nozzle does not completely impact the lower side surface of the first fan blade, the clockwise torsion of the automobile axial flow fan is reduced, and the anticlockwise torsion of the automobile axial flow fan is kept unchanged; then the automobile axial flow fan starts to rotate anticlockwise slowly, the first fan blades are restored to be right above the nozzle mounting seats along with the anticlockwise rotation of the automobile axial flow fan, and the first nozzles of the longitudinal nozzles spray mixed liquid jet of abrasive and water to vertically and upwards impact the lower side surfaces of the first fan blades again; so that the clockwise torsion of the automobile axial flow fan is larger than the counterclockwise torsion; the automobile axial flow fan at the moment slowly rotates clockwise, the automobile axial flow fan at the moment alternately deflects clockwise and anticlockwise periodically under the comprehensive action of the longitudinal nozzles and the second nozzles according to the rule, the first fan blade swings back and forth above the longitudinal nozzles, meanwhile, the linear motor is controlled, the linear push rod drives the steering engine to float back and forth periodically along the direction of the sliding rail, the steering engine shaft floats back and forth along the length direction of the detection groove of the steering engine shaft, the longitudinal nozzles float back and forth along the length direction of the detection groove of the steering engine shaft, and jet flow sprayed by the longitudinal nozzles uniformly impacts the lower side surface of the automobile axial flow fan; until the lower surface of the first fan blade is uniformly washed by the mixture of the abrasive and the water, the sand blasting process of the lower side surface of the first fan blade is further realized;
step six, suspending each longitudinal nozzle, maintaining the operation of the second nozzle, and spraying mixed liquid jet of the abrasive and water from the second nozzle to impact the outer edge of the reinforcing ring to generate anticlockwise torque on the automobile axial flow fan, wherein the anticlockwise torque overcomes the resistance of the damping bearing to enable the automobile axial flow fan to slowly rotate anticlockwise; until the third fan blade on the automobile axial flow fan is positioned right above the nozzle mounting seat; then, realizing the sand blasting process on the lower side surface of the third fan blade by referring to the mode of the fifth step; then, the sand blasting process of the lower side surface of the second fan blade is realized according to the rule; the automobile axial flow fan rotates for a circle when the lower sides of the first fan blade, the third fan blade and the second fan blade are subjected to a sand blasting process, then mixed liquid jet flow of abrasive and water sprayed by a second nozzle of the second nozzle completely washes the outer edge of the reinforcing ring for one time, and meanwhile, the lifting linear motor is always in a running state, the lifting linear motor enables the automobile axial flow fan to be always in a vertically shaking state through the lifting push rod, and the vertical shaking amplitude of the automobile axial flow fan is not more than the longitudinal thickness dimension of the reinforcing ring; the mixed liquid jet flow of the abrasive and the water sprayed by the second nozzle can be sprayed to the outer edge of the reinforcing ring all the time, and the up-and-down shaking of the automobile axial flow fan enables the outer edge of the reinforcing ring to be sprayed more uniformly, so that the second complete sand spraying process of the outer edge of the reinforcing ring is realized;
and step seven, manually supporting the movable ejector rod upwards, and taking down the automobile axial flow fan which is subjected to complete sand blasting.
Has the advantages that: the automobile axial flow fan provided by the invention has a simple structure, each blade can be subjected to a sand blasting process one by one, the lifting linear motor enables the automobile axial flow fan to be in a vertically shaking state all the time through the lifting push rod, and the vertical shaking amplitude of the automobile axial flow fan does not exceed the longitudinal thickness dimension of the reinforcing ring; the mixed liquid jet of the abrasive and the water sprayed by the second nozzle can be sprayed to the outer edge of the reinforcing ring all the time, and the outer edge of the reinforcing ring is sprayed more uniformly by the up-and-down shaking of the automobile axial flow fan; the steering engine shaft makes a round trip to float along the length direction of steering engine shaft probing groove, and then makes each vertical nozzle make a round trip to float along the length direction of steering engine shaft probing groove, and then makes the downside or the side of going up of the more even impact car axial fan of efflux that each vertical nozzle jetted out.
Drawings
FIG. 1 is a schematic view of a first configuration of the apparatus;
FIG. 2 is a first cut-away schematic view of the apparatus;
FIG. 3 is a second cut-away schematic view of the apparatus;
FIG. 4 is a third cut-away schematic view of the apparatus;
FIG. 5 is a cross-sectional view of the apparatus in a top view;
the appendage 6 is a partial schematic view in the jet flow polishing cavity;
FIG. 7 is a second partial schematic view of the jet polishing chamber;
fig. 8 is a schematic diagram of the movement locus of the supporting cross arm and the nozzle mounting seat.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The surface treatment process system of the automobile plastic part shown in the attached drawings 1 to 8 comprises a liquid sand blasting grinding box 1, wherein an inclined guide plate 18 is arranged in the liquid sand blasting grinding box 1, a jet flow grinding cavity 50 is arranged on the upper side of the guide plate 18, a vertical partition plate 52 is arranged on the lower side of the guide plate 18, a waste liquid cavity 31 is arranged on the left side of the partition plate 52, and a lifting motor cavity 34 is arranged on the right side of the partition plate 52; the short end of the guide plate 18 is provided with a liquid leakage hole 30, and the bottom end of the jet flow grinding cavity 50 is communicated with the waste liquid cavity 31 through the liquid leakage hole 30; the waste liquid discharge pipe 32 is further included, and the feeding end of the waste liquid discharge pipe 32 is communicated with the waste liquid cavity 31; also included are automotive plastic parts to be sand blasted, which are mounted in the jet sanding chamber 50; the car plastic accessories that the sandblast was polished can be treated to the sandblast mechanism and sandblast was polished.
A vertical lifting linear motor 33 is arranged in the lifting motor cavity 34, and the upper end of a lifting push rod 35 of the lifting linear motor 33 extends upwards into the jet flow grinding cavity 50; the upper end of the lifting push rod 35 is fixedly connected with a bearing seat 24 coaxially, and a damping bearing 25 is coaxially arranged in the bearing seat 24; the jet flow grinding cavity 50 also comprises a rotary supporting column 23, and the lower end of the rotary supporting column 23 is coaxially and tightly sleeved on the inner ring of the damping bearing 25; the rotating support column 23 can rotate along the axis of the damping bearing 25; the top end of the rotary supporting column 23 is detachably provided with the automobile plastic accessory to be subjected to sand blasting polishing; the automobile plastic part is an automobile axial flow fan 13, the automobile axial flow fan 13 comprises a central hub 22, a bearing mounting groove 40 is coaxially arranged on the lower side of the central hub 22, the automobile axial flow fan further comprises three fan blades 26 in a circumferential array along the central hub 22, and a reinforcing ring 27, wherein the tail ends of the three fan blades 26 are respectively and integrally connected with the annular inner edge of the reinforcing ring 27; the fan blades 26 sequentially comprise a first fan blade 26.1, a second fan blade 26.2 and a third fan blade 26.3; the upper end of the rotating support column 23 is upwards coaxially and detachably inserted into the bearing installation groove 40; the automobile axial flow fan 13 and the rotating support column 23 rotate synchronously; a vertical guide pillar 71 is fixedly arranged at the top of the jet flow grinding cavity 50, a movable ejector rod 20 is coaxially arranged below the guide pillar 71, a guide pillar movable channel 36 is coaxially arranged at the upper end of the ejector rod 20, and the lower part of the guide pillar 71 is coaxially movably inserted into the guide pillar movable channel 36; a first spring baffle disc 38 is fixedly arranged on the outer wall of the movable ejector rod 20, a second spring baffle disc 39 is fixedly arranged on the outer wall of the guide post 71, and a spring 37 is arranged between the first spring baffle disc 38 and the second spring baffle disc 39 in a compressed manner; the lower end of the movable ejector rod 20 is a spherical top 21, and the spherical top 21 is downward and coaxially contacted with the upper surface of the central hub 22 in a propping manner.
A horizontal sliding table 6 is arranged on the outer side of the liquid sand blasting grinding box 1, a sliding rail 7 is arranged on the sliding table 6, a horizontal steering engine 8 is arranged in the sliding rail 7 in a sliding mode, and the steering engine 8 can slide along the length direction of the sliding rail 7; the steering engine shaft 2 of the steering engine 8 is vertical to the length direction of the sliding rail 7; one end of the horizontal sliding table 6 is also fixedly connected with a horizontal linear motor 4; the tail end of a linear push rod 5 of the linear motor 4 is fixedly connected with the side part of the steering engine 8, and the linear motor 4 drives the steering engine 8 to move back and forth along the direction of the slide rail 7 through the linear push rod 5;
a steering engine shaft detection groove 3 in a transverse strip shape is hollowed in one side wall of the liquid sand blasting and grinding box 1, the steering engine shaft detection groove 3 and the automobile axial flow fan 13 are located at the same height position, and the length direction of the steering engine shaft detection groove 3 is parallel to the length direction of the slide rail 7; the steering engine shaft 2 transversely penetrates through the steering engine shaft probing groove 3, and the tail end of the steering engine shaft 2 probes into the jet flow grinding cavity 50; a rocker arm 9 perpendicular to the rudder machine shaft 2 is arranged in the jet flow grinding cavity 50, and one end of the rocker arm 9 is fixedly connected with the tail end of the rudder machine shaft 2; the rudder machine further comprises a supporting cross arm 10 parallel to the rudder machine shaft 2, one end of the supporting cross arm 10 is fixedly connected with the other end of the rocker arm 9, the tail end of the supporting cross arm 10 is fixedly connected with a nozzle mounting seat 11, and a row of longitudinal nozzles 19 are mounted on the nozzle mounting seat 11 in the direction of extension; the steering engine 8 can synchronously drive the nozzle mounting seat 11 to rotate around the axis of the steering engine shaft 2 through the steering engine shaft 2, the rocker arm 9 and the supporting cross arm 10, and the nozzle mounting seat 11 can respectively move to the upper part and the lower part of the automobile axial flow fan 13; when the nozzle mounting seat 11 is positioned above the automobile axial flow fan 13, the first nozzle 29 of each longitudinal nozzle 19 faces downwards, and when the nozzle mounting seat 11 is positioned below the automobile axial flow fan 13, the first nozzle 29 of each longitudinal nozzle 19 faces upwards;
a vertical second steering engine 14 is fixedly mounted at the top in the jet flow grinding cavity 50, a second nozzle mounting seat 16 is fixedly mounted at the lower end of a steering engine output shaft 15 of the second steering engine 14, a transverse second nozzle 17 is fixedly mounted on the second nozzle mounting seat 16, and the second nozzle 17 rotates along the steering engine output shaft 15 along with the second nozzle mounting seat 16; the second nozzle 17 and the automobile axial flow fan 13 are located at the same height position, jet flow sprayed out of the second nozzle 28 of the second nozzle 17 can be sprayed to the outer edge of the reinforcing ring 27, and the rotation of the steering engine output shaft 15 can change the spraying direction of the second nozzle 28.
The process, the process and the technical progress of the scheme are as follows:
the method comprises the following steps:
step one, manually supporting the movable ejector rod 20 upwards, inserting the upper end of the rotating support column 23 upwards coaxially into the bearing installation groove 40 on the lower side of the central hub 22, then releasing the movable ejector rod 20, further enabling the spherical top 21 to downwards coaxially contact and press the upper surface of the central hub 22 under the relaxation action of the spring 37 by the movable ejector rod 20, and enabling the automobile axial fan 13 to rotate along the axis of the damping bearing 25 along with the rotating support column 23 under the action of external force; the installation of the automobile axial flow fan 13 to be subjected to sand blasting is realized;
step two, controlling the steering engine 8, further controlling the rotation angle of the steering engine shaft 2, further enabling the nozzle mounting seat 11 to move to the upper side of the automobile axial flow fan 13, enabling the rocker arm 9 to be in a vertical state in the state, and further enabling the first nozzle 29 of each longitudinal nozzle 19 on the nozzle mounting seat 11 to face downwards at the moment;
step three, starting a second steering engine 14, further rotating a steering engine output shaft 15 to change the jet direction of a second nozzle 28, controlling the deflection angle of the steering engine output shaft 15 to further adjust the jet direction of the second nozzle 28, further enabling the second nozzle 28 to jet mixed liquid jet of abrasive and water to impact the outer edge of a reinforcing ring 27 and then generate clockwise torsion on the automobile axial flow fan 13, and enabling the automobile axial flow fan 13 to slowly rotate after the clockwise torsion overcomes the resistance of a damping bearing 25; until the first fan blade 26.1 on the automobile axial flow fan 13 is positioned right below the nozzle mounting seat 11, at this time, each longitudinal nozzle 19 is controlled, the first nozzle 29 of each longitudinal nozzle 19 sprays the jet flow of the mixed liquid of the abrasive and the water to vertically and downwards impact the upper side surface of the first fan blade 26.1, and then the jet flow impacting the first fan blade 26.1 downwards enables the automobile axial flow fan 13 to generate a torque force in an anticlockwise direction, and the torque force in the anticlockwise direction borne by the automobile axial flow fan 13 at this time is larger than the torque force in the clockwise direction borne by the automobile axial flow fan 13 at this time, so that the automobile axial flow fan 13 starts to slowly rotate anticlockwise at this time; with the anticlockwise rotation of the automobile axial flow fan 13, the first fan blades 26.1 deflect at a certain angle, so that the jet flow of the mixed liquid of the abrasive and the water sprayed by the first nozzles 29 of the longitudinal nozzles 19 does not completely impact the first fan blades 26.1, the torsion of the automobile axial flow fan 13 in the anticlockwise direction is reduced, and the torsion of the automobile axial flow fan 13 in the clockwise direction is kept unchanged; further, the automobile axial flow fan 13 at this moment starts to rotate slowly clockwise, and along with the clockwise rotation of the automobile axial flow fan 13, the first fan blade 26.1 is restored to be right below the nozzle mounting seat 11 again, and at this moment, the mixed liquid jet flow of the abrasive and the water sprayed from the first nozzle 29 of each longitudinal nozzle 19 vertically and downwards impacts the upper side face of the first fan blade 26.1 again; so that the torque force applied to the automobile axial flow fan 13 in the counterclockwise direction is larger than the torque force applied to the automobile axial flow fan in the clockwise direction; further, the automobile axial flow fan 13 at the moment slowly rotates anticlockwise, the automobile axial flow fan 13 at the moment is enabled to alternately deflect clockwise and anticlockwise periodically under the comprehensive action of the longitudinal nozzles 19 and the second nozzle 17 according to the rule, the first fan blade 26.1 swings back and forth below the longitudinal nozzles 19, meanwhile, the linear motor 4 is controlled, the linear push rod 5 drives the steering engine 8 to float back and forth periodically along the direction of the slide rail 7, the steering engine shaft 2 floats back and forth along the length direction of the steering engine shaft detection groove 3, the longitudinal nozzles 19 float back and forth along the length direction of the steering engine shaft detection groove 3, and jet flow sprayed by the longitudinal nozzles 19 more uniformly impacts the upper side face of the automobile axial flow fan 13; until the upper surface of the first fan blade 26.1 is uniformly washed by the mixture of the abrasive and the water, thereby realizing the sand blasting process of the upper side surface of the first fan blade 26.1;
step three, suspending each longitudinal nozzle 19, maintaining the operation of the second nozzle 17, and generating clockwise torsion on the automobile axial flow fan 13 after the mixed liquid jet flow of the abrasive and the water sprayed from the second nozzle 28 impacts the outer edge of the reinforcing ring 27, wherein the clockwise torsion overcomes the resistance of the damping bearing 25 and then enables the automobile axial flow fan 13 to slowly rotate clockwise; until the second fan blade 26.2 on the automobile axial flow fan 13 is positioned right below the nozzle mounting seat 11; then, realizing the sand blasting process on the upper side surface of the second fan blade 26.2 by referring to the mode of the second step; then, the sand blasting process of the upper side surface of the third fan blade 26.3 is realized according to the rule; the automobile axial flow fan 13 rotates for just one circle when the upper side surfaces of the first fan blade 26.1, the second fan blade 26.2 and the third fan blade 26.3 are subjected to a sand blasting process, then mixed liquid jet flow of abrasive and water sprayed by the second nozzle 28 of the second nozzle 17 completely washes the outer edge of the reinforcing ring 27 for one time, meanwhile, the lifting linear motor 33 is always in a running state, the lifting linear motor 33 enables the automobile axial flow fan 13 to be always in a vertically shaking state through the lifting push rod 35, and the vertically shaking amplitude of the automobile axial flow fan 13 does not exceed the longitudinal thickness dimension of the reinforcing ring 27; the mixed liquid jet flow of the abrasive and the water sprayed by the second nozzle 28 can be sprayed to the outer edge of the reinforcing ring 27 all the time, and the up-and-down shaking of the automobile axial flow fan 13 enables the outer edge of the reinforcing ring 27 to be sprayed more uniformly, so that a one-time complete sand spraying process of the outer edge of the reinforcing ring 27 is realized;
step four, controlling the steering engine 8 to further control the steering engine shaft 2 to rotate 180 degrees anticlockwise, further enabling the nozzle mounting seat 11 to move to the position below the automobile axial flow fan 13, enabling the rocker arm 9 to be in a vertical state in the state, and enabling the first nozzle 29 of each longitudinal nozzle 19 on the nozzle mounting seat 11 to face upwards at the moment;
step five, starting a second steering engine 14, further rotating a steering engine output shaft 15 to change the jet direction of a second nozzle 28, controlling the deflection angle of the steering engine output shaft 15 to further adjust the jet direction of the second nozzle 28, further enabling the second nozzle 28 to jet mixed liquid jet of abrasive and water to impact the outer edge of a reinforcing ring 27 and generate anticlockwise torsion on the automobile axial flow fan 13, and enabling the automobile axial flow fan 13 to slowly rotate anticlockwise after overcoming the resistance of a damping bearing 25 through the anticlockwise torsion; until the first fan blade 26.1 on the automobile axial flow fan 13 is positioned right above the nozzle mounting seat 11, controlling each longitudinal nozzle 19 at the moment, enabling the first nozzle 29 of each longitudinal nozzle 19 to spray the jet flow of the mixed liquid of the abrasive and the water to vertically and upwards impact the lower side surface of the first fan blade 26.1, further enabling the jet flow impacting the first fan blade 26.1 upwards to enable the automobile axial flow fan 13 to generate clockwise torsion, enabling the automobile axial flow fan 13 to receive clockwise torsion at the moment and being larger than anticlockwise torsion received by the automobile axial flow fan 13 at the moment, and further enabling the automobile axial flow fan 13 to start to slowly rotate clockwise at the moment; with the clockwise rotation of the automobile axial flow fan 13, the first fan blades 26.1 are deflected at a certain angle, so that the mixed liquid jet flow of the abrasive and the water sprayed from the first nozzles 29 of the longitudinal nozzles 19 does not completely impact the lower side surfaces of the first fan blades 26.1, the clockwise torsion of the automobile axial flow fan 13 is reduced, and the counterclockwise torsion of the automobile axial flow fan 13 is kept unchanged; then the automobile axial flow fan 13 starts to slowly rotate anticlockwise, the first fan blades 26.1 are restored to be right above the nozzle mounting seat 11 along with the anticlockwise rotation of the automobile axial flow fan 13, and the jet flow of the mixed liquid of the abrasive and the water sprayed from the first nozzles 29 of the longitudinal nozzles 19 vertically and upwards impacts the lower side surfaces of the first fan blades 26.1 again; so that the clockwise torsion applied to the axial flow fan 13 is larger than the counterclockwise torsion; further, the automobile axial flow fan 13 at the moment slowly rotates clockwise, further the automobile axial flow fan 13 at the moment alternately deflects clockwise and counterclockwise periodically under the comprehensive action of the longitudinal nozzles 19 and the second nozzle 17 according to the rule, the first fan blade 26.1 swings back and forth above the longitudinal nozzles 19, meanwhile, the linear motor 4 is controlled, the linear push rod 5 drives the steering engine 8 to float back and forth periodically along the direction of the slide rail 7, further the steering engine shaft 2 floats back and forth along the length direction of the steering engine shaft detection groove 3, further the longitudinal nozzles 19 float back and forth along the length direction of the steering engine shaft detection groove 3, and further jet flow sprayed by the longitudinal nozzles 19 more uniformly impacts the lower side surface of the automobile axial flow fan 13; until the lower surface of the first fan blade 26.1 is uniformly washed by the mixture of the abrasive and the water, thereby realizing the sand blasting process of the lower side surface of the first fan blade 26.1;
step six, suspending each longitudinal nozzle 19, maintaining the operation of the second nozzle 17, and generating counterclockwise torque on the automobile axial flow fan 13 after the mixed liquid jet of the abrasive and the water sprayed from the second nozzle 28 impacts the outer edge of the reinforcing ring 27, wherein the counterclockwise torque overcomes the resistance of the damping bearing 25 and then enables the automobile axial flow fan 13 to slowly rotate counterclockwise; until the second fan blade 26.2 on the automobile axial flow fan 13 is positioned right above the nozzle mounting seat 11; then, the sand blasting process to the lower side face of the second fan blade 26.2 is realized by referring to the mode of the step five; then, the sand blasting process of the lower side surface of the third fan blade 26.3 is realized according to the rule; the automobile axial flow fan 13 rotates for just one circle when the lower side surfaces of the first fan blade 26.1, the second fan blade 26.2 and the third fan blade 26.3 are subjected to a sand blasting process, then mixed liquid jet flow of abrasive and water sprayed by the second nozzle 28 of the second nozzle 17 completely washes the outer edge of the reinforcing ring 27 for one time, meanwhile, the lifting linear motor 33 is always in a running state, the lifting linear motor 33 enables the automobile axial flow fan 13 to be always in a vertically shaking state through the lifting push rod 35, and the vertical shaking amplitude of the automobile axial flow fan 13 does not exceed the longitudinal thickness dimension of the reinforcing ring 27; the mixed liquid jet flow of the abrasive and the water sprayed by the second nozzle 28 can be sprayed to the outer edge of the reinforcing ring 27 all the time, and the up-and-down shaking of the automobile axial flow fan 13 enables the outer edge of the reinforcing ring 27 to be sprayed more uniformly, so that the second complete sand spraying process of the outer edge of the reinforcing ring 27 is realized;
and step seven, manually supporting the movable ejector rod 20 upwards, and taking down the automobile axial flow fan 13 which is subjected to complete sand blasting.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (3)
1. Surface treatment process systems of auto plastic parts, its characterized in that: the jet flow grinding device comprises a liquid sand blasting grinding box (1), wherein an inclined guide plate (18) is arranged in the liquid sand blasting grinding box (1), a jet flow grinding cavity (50) is formed in the upper side of the guide plate (18), a vertical partition plate (52) is arranged on the lower side of the guide plate (18), a waste liquid cavity (31) is formed in the left side of the partition plate (52), and a lifting motor cavity (34) is formed in the right side of the partition plate (52); the short end of the guide plate (18) is provided with a liquid leakage hole (30), and the bottom end of the jet flow grinding cavity (50) is communicated with the waste liquid cavity (31) through the liquid leakage hole (30); the waste liquid discharging pipe (32) is further included, and the feeding end of the waste liquid discharging pipe (32) is communicated with the waste liquid cavity (31); the jet flow grinding device also comprises an automobile plastic part to be subjected to sand blasting grinding, wherein the automobile plastic part is arranged in the jet flow grinding cavity (50); the sand blasting mechanism can perform sand blasting and polishing on the automobile plastic part to be subjected to sand blasting and polishing;
a vertical lifting linear motor (33) is arranged in the lifting motor cavity (34), and the upper end of a lifting push rod (35) of the lifting linear motor (33) extends upwards into the jet flow grinding cavity (50); the upper end of the lifting push rod (35) is fixedly connected with a bearing seat (24) with the same axle center, and a damping bearing (25) is arranged in the bearing seat (24) with the same axle center; the jet flow grinding cavity (50) further comprises a rotating support column (23), and the lower end of the rotating support column (23) is coaxially and tightly sleeved on the inner ring of the damping bearing (25); the rotating support column (23) is rotatable along the axis of the damping bearing (25); the top end of the rotary supporting column (23) is detachably provided with the automobile plastic accessory to be subjected to sand blasting polishing; the automobile plastic accessory is an automobile axial flow fan (13), the automobile axial flow fan (13) comprises a central hub (22), a bearing mounting groove (40) is coaxially arranged on the lower side of the central hub (22), the automobile axial flow fan further comprises three fan blades (26) which are circumferentially arrayed along the central hub (22), and a reinforcing ring (27), and the tail ends of the three fan blades (26) are respectively and integrally connected with the annular inner edge of the reinforcing ring (27); the three fan blades (26) sequentially comprise a first fan blade (26.1), a second fan blade (26.2) and a third fan blade (26.3); the upper end of the rotary supporting column (23) is upwards coaxially and detachably inserted into the bearing installation groove (40); the automobile axial flow fan (13) and the rotating support column (23) rotate synchronously; a vertical guide post (71) is fixedly arranged at the top of the jet flow grinding cavity (50), a movable ejector rod (20) is coaxially arranged below the guide post (71), a guide post movable channel (36) is coaxially arranged at the upper end of the ejector rod (20), and the lower part of the guide post (71) is coaxially movably inserted into the guide post movable channel (36); a first spring baffle disc (38) is fixedly arranged on the outer wall of the movable ejector rod (20), a second spring baffle disc (39) is fixedly arranged on the outer wall of the guide post (71), and a spring (37) is arranged between the first spring baffle disc (38) and the second spring baffle disc (39) in a compressed manner; the lower end of the movable ejector rod (20) is a spherical top (21), and the spherical top (21) is downward and coaxially contacted with the upper surface of the central hub (22) in a propping manner.
2. The surface treatment process system for an automobile plastic part according to claim 1, wherein: a horizontal sliding table (6) is arranged on the outer side of the liquid sand blasting grinding box (1), a sliding rail (7) is arranged on the sliding table (6), a horizontal steering engine (8) is arranged in the sliding rail (7) in a sliding mode, and the steering engine (8) can slide along the length direction of the sliding rail (7); a steering engine shaft (2) of the steering engine (8) is vertical to the length direction of the sliding rail (7); one end of the horizontal sliding table (6) is also fixedly connected with a horizontal linear motor (4); the tail end of a linear push rod (5) of the linear motor (4) is fixedly connected with the side part of the steering engine (8), and the linear motor (4) drives the steering engine (8) to move back and forth along the direction of the sliding rail (7) through the linear push rod (5);
a steering engine shaft detection groove (3) in a transverse strip shape is hollowed in one side wall of the liquid sand blasting and grinding box (1), the steering engine shaft detection groove (3) and the automobile axial flow fan (13) are located at the same height, and the length direction of the steering engine shaft detection groove (3) is parallel to the length direction of the sliding rail (7); the steering engine shaft (2) transversely penetrates through the steering engine shaft probing groove (3), and the tail end of the steering engine shaft (2) probes into the jet flow grinding cavity (50); a rocker arm (9) perpendicular to the steering engine shaft (2) is arranged in the jet flow grinding cavity (50), and one end of the rocker arm (9) is fixedly connected with the tail end of the steering engine shaft (2); the rudder machine is characterized by further comprising a supporting cross arm (10) parallel to the rudder machine shaft (2), one end of the supporting cross arm (10) is fixedly connected with the other end of the rocker arm (9), the tail end of the supporting cross arm (10) is fixedly connected with a nozzle mounting seat (11), and a row of longitudinal nozzles (19) are mounted on the nozzle mounting seat (11) in the direction of extension; the steering engine (8) can synchronously drive the nozzle mounting seat (11) to rotate around the axis of the steering engine shaft (2) through the steering engine shaft (2), the rocker arm (9) and the supporting cross arm (10), and the nozzle mounting seat (11) can respectively move to the upper part and the lower part of the automobile axial flow fan (13); when the nozzle mounting seat (11) is positioned above the automobile axial flow fan (13), the direction of a first nozzle (29) of each longitudinal nozzle (19) faces downwards, and when the nozzle mounting seat (11) is positioned below the automobile axial flow fan (13), the direction of the first nozzle (29) of each longitudinal nozzle (19) faces upwards; a vertical second steering engine (14) is fixedly mounted at the top in the jet flow grinding cavity (50), a second nozzle mounting seat (16) is fixedly mounted at the lower end of a steering engine output shaft (15) of the second steering engine (14), a transverse second nozzle (17) is fixedly mounted on the second nozzle mounting seat (16), and the second nozzle (17) rotates along the steering engine output shaft (15) along with the second nozzle mounting seat (16); the second nozzle (17) and the automobile axial flow fan (13) are located at the same height position, jet flow sprayed out of a second nozzle (28) of the second nozzle (17) can be sprayed to the outer edge of the reinforcing ring (27), and the rotation of the steering engine output shaft (15) can change the spraying direction of the second nozzle (28).
3. The surface treatment process of the surface treatment process system for an automobile plastic part according to claim 2, characterized in that:
the method comprises the following steps:
the method comprises the following steps that firstly, a movable ejector rod (20) is manually supported upwards, then the upper end of a rotating support column (23) is upwards coaxially inserted into a bearing installation groove (40) on the lower side of a central hub (22), then the movable ejector rod (20) is released, and then the movable ejector rod (20) enables a spherical top (21) to downwards coaxially contact with the upper surface of the central hub (22) under the action of relaxation force of a spring (37) and pushes against the upper surface of the central hub (22), and at the moment, an automobile axial flow fan (13) can rotate along the axis of a damping bearing (25) along with the rotating support column (23) under the action of external force; the installation of the automobile axial flow fan (13) to be subjected to sand blasting is realized;
step two, controlling a steering engine (8) to further control the rotation angle of a steering engine shaft (2), further enabling a nozzle mounting seat (11) to move to the upper side of an automobile axial flow fan (13), enabling a rocker arm (9) to be in a vertical state in the state, and enabling first nozzles (29) of longitudinal nozzles (19) on the nozzle mounting seat (11) to face downwards at the moment;
step three, starting a second steering engine (14), further changing the spraying direction of a second nozzle (28) by rotating a steering engine output shaft (15), controlling the deflection angle of the steering engine output shaft (15) and further adjusting the direction of the jet flow sprayed by the second nozzle (28), further enabling the mixed liquid jet flow of the abrasive and the water sprayed by the second nozzle (28) to impact the outer edge of a reinforcing ring (27) and then generating clockwise torsion on the automobile axial flow fan (13), and enabling the automobile axial flow fan (13) to slowly rotate after the clockwise torsion overcomes the resistance of a damping bearing (25); until a first fan blade (26.1) on the automobile axial flow fan (13) is positioned right below the nozzle mounting seat (11), controlling each longitudinal nozzle (19) at the moment, enabling a mixed liquid jet flow of abrasive and water sprayed by a first nozzle (29) of each longitudinal nozzle (19) to vertically and downwards impact the upper side surface of the first fan blade (26.1), further enabling the automobile axial flow fan (13) to generate anticlockwise torsion by impacting the jet flow of the first fan blade (26.1) downwards, enabling the anticlockwise torsion of the automobile axial flow fan (13) at the moment to be larger than the clockwise torsion of the automobile axial flow fan (13) at the moment, and further enabling the automobile axial flow fan (13) to start to slowly rotate anticlockwise at the moment; with the anticlockwise rotation of the automobile axial flow fan (13), the first fan blades (26.1) can deflect at a certain angle, so that the mixed liquid jet flow of the abrasive and the water sprayed by the first nozzles (29) of the longitudinal nozzles (19) does not completely impact the first fan blades (26.1), the torsion of the automobile axial flow fan (13) in the anticlockwise direction is reduced, and the torsion of the automobile axial flow fan (13) in the clockwise direction is kept unchanged; further enabling the automobile axial flow fan (13) to start to rotate clockwise slowly, enabling the first fan blades (26.1) to recover to be right below the nozzle mounting seat (11) along with the clockwise rotation of the automobile axial flow fan (13), and enabling the jet flow of the mixed liquid of the abrasive and the water sprayed by the first nozzle (29) of each longitudinal nozzle (19) to vertically and downwards impact the upper side faces of the first fan blades (26.1) again; so that the torque force applied to the automobile axial flow fan (13) in the anticlockwise direction is larger than the torque force applied to the automobile axial flow fan in the clockwise direction; further leading the automobile axial flow fan (13) to slowly rotate anticlockwise, leading the automobile axial flow fan (13) to alternately deflect clockwise and anticlockwise periodically under the comprehensive action of each longitudinal nozzle (19) and the second nozzle (17) according to the rule, leading the first fan blade (26.1) to swing back and forth under each longitudinal nozzle (19), meanwhile, the linear motor (4) is controlled to lead the linear push rod (5) to drive the steering engine (8) to float back and forth periodically along the direction of the slide rail (7), so that the steering engine shaft (2) floats back and forth along the length direction of the steering engine shaft inserting groove (3), thereby leading each longitudinal nozzle (19) to float back and forth along the length direction of the detecting groove (3) of the steering engine shaft, so that jet flow sprayed out of each longitudinal nozzle (19) can more uniformly impact the upper side surface of the automobile axial flow fan (13); until the upper surface of the first fan blade (26.1) is uniformly washed by the mixture of the abrasive and the water, thereby realizing the sand blasting process of the upper side surface of the first fan blade (26.1);
thirdly, suspending each longitudinal nozzle (19), maintaining the operation of the second nozzle (17), and generating clockwise torsion on the automobile axial flow fan (13) after the mixed liquid jet flow of the abrasive and the water sprayed by the second nozzle (28) impacts the outer edge of the reinforcing ring (27), wherein the clockwise torsion overcomes the resistance of the damping bearing (25) and then enables the automobile axial flow fan (13) to slowly rotate clockwise; until a second fan blade (26.2) on the automobile axial flow fan (13) is positioned right below the nozzle mounting seat (11); then, realizing the sand blasting process of the upper side surface of the second fan blade (26.2) by referring to the mode of the second step; then, the sand blasting process of the upper side surface of the third fan blade (26.3) is realized according to the rule; the automobile axial flow fan (13) rotates for just one circle when the upper side surfaces of the first fan blade (26.1), the second fan blade (26.2) and the third fan blade (26.3) are subjected to a sand blasting process, then mixed liquid jet flow of abrasive and water sprayed by a second nozzle (28) of the second nozzle (17) completely washes the outer edge of the reinforcing ring (27) for one time, meanwhile, the lifting linear motor (33) is always in a running state, the lifting linear motor (33) enables the automobile axial flow fan (13) to be always in a vertically shaking state through a lifting push rod (35), and the vertical shaking amplitude of the automobile axial flow fan (13) does not exceed the longitudinal thickness size of the reinforcing ring (27); the mixed liquid jet flow of the abrasive and the water sprayed by the second nozzle (28) can be sprayed to the outer edge of the reinforcing ring (27) all the time, the up-and-down shaking of the automobile axial flow fan (13) enables the outer edge of the reinforcing ring (27) to be sprayed more uniformly, and further, the one-time complete sand spraying process of the outer edge of the reinforcing ring (27) is realized;
fourthly, controlling a steering engine (8) to further control the steering engine shaft (2) to rotate 180 degrees anticlockwise, further enabling the nozzle mounting seat (11) to move to the position below the automobile axial flow fan (13), enabling the rocker arm (9) to be in a vertical state in the state, and enabling the first nozzle (29) of each longitudinal nozzle (19) on the nozzle mounting seat (11) to face upwards at the moment;
step five, starting a second steering engine (14), further changing the spraying direction of a second nozzle (28) by rotating a steering engine output shaft (15), controlling the deflection angle of the steering engine output shaft (15) and further adjusting the direction of the jet flow sprayed by the second nozzle (28), further enabling the mixed liquid jet flow of the abrasive and the water sprayed by the second nozzle (28) to impact the outer edge of a reinforcing ring (27) and then generating anticlockwise torsion on the automobile axial flow fan (13), and enabling the automobile axial flow fan (13) to slowly rotate anticlockwise after overcoming the resistance of a damping bearing (25) by the anticlockwise torsion; until a first fan blade (26.1) on the automobile axial flow fan (13) is positioned right above the nozzle mounting seat (11), controlling each longitudinal nozzle (19) at the moment, enabling a mixed liquid jet flow of abrasive and water sprayed by a first nozzle (29) of each longitudinal nozzle (19) to vertically and upwards impact the lower side surface of the first fan blade (26.1), further enabling the automobile axial flow fan (13) to generate clockwise torsion due to the upward impact of the jet flow of the first fan blade (26.1), enabling the clockwise torsion applied to the automobile axial flow fan (13) at the moment to be larger than the counterclockwise torsion applied to the automobile axial flow fan (13) at the moment, and further enabling the automobile axial flow fan (13) to start to slowly rotate clockwise at the moment; with the clockwise rotation of the automobile axial flow fan (13), the first fan blades (26.1) can deflect at a certain angle, so that the mixed liquid jet flow of the abrasive and the water sprayed by the first nozzles (29) of the longitudinal nozzles (19) does not completely impact the lower side surfaces of the first fan blades (26.1), the clockwise torsion of the automobile axial flow fan (13) is reduced, and the anticlockwise torsion of the automobile axial flow fan (13) is kept unchanged; then the automobile axial flow fan (13) starts to slowly rotate anticlockwise, the first fan blades (26.1) are restored to be right above the nozzle mounting seat (11) along with the anticlockwise rotation of the automobile axial flow fan (13), and the jet flow of mixed liquid of abrasive and water sprayed by the first nozzles (29) of the longitudinal nozzles (19) vertically and upwards impacts the lower side face of the first fan blades (26.1) again; so that the clockwise torsion of the automobile axial flow fan (13) at the moment is larger than the anticlockwise torsion; further leading the automobile axial flow fan (13) to rotate clockwise slowly, leading the automobile axial flow fan (13) to deflect alternately clockwise and anticlockwise periodically under the comprehensive action of each longitudinal nozzle (19) and the second nozzle (17) according to the rule, leading the first fan blade (26.1) to swing back and forth above each longitudinal nozzle (19), meanwhile, the linear motor (4) is controlled to lead the linear push rod (5) to drive the steering engine (8) to float back and forth periodically along the direction of the slide rail (7), so that the steering engine shaft (2) floats back and forth along the length direction of the steering engine shaft inserting groove (3), thereby leading each longitudinal nozzle (19) to float back and forth along the length direction of the detecting groove (3) of the steering engine shaft, so that the jet flow sprayed out by each longitudinal nozzle (19) can more uniformly impact the lower side surface of the automobile axial flow fan (13); until the lower surface of the first fan blade (26.1) is uniformly washed by the mixture of the abrasive and the water, thereby realizing the sand blasting process of the lower side surface of the first fan blade (26.1);
step six, suspending each longitudinal nozzle (19), maintaining the operation of the second nozzle (17), and generating anticlockwise torsion on the automobile axial flow fan (13) after the mixed liquid jet flow of the abrasive and the water sprayed by the second nozzle (28) impacts the outer edge of the reinforcing ring (27), wherein the anticlockwise torsion overcomes the resistance of the damping bearing (25) and then enables the automobile axial flow fan (13) to slowly rotate anticlockwise; until a third fan blade (26.3) on the automobile axial flow fan (13) is positioned right above the nozzle mounting seat (11); then, the sand blasting process of the lower side surface of the third fan blade (26.3) is realized by referring to the mode of the step five; then, the sand blasting process of the lower side surface of the second fan blade (26.2) is realized according to the rule; the automobile axial flow fan (13) rotates for just one circle when the lower side surfaces of the first fan blade (26.1), the third fan blade (26.3) and the second fan blade (26.2) are subjected to a sand blasting process, then mixed liquid jet flow of abrasive and water sprayed by a second nozzle (28) of the second nozzle (17) completely washes the outer edge of the reinforcing ring (27) for one time, meanwhile, the lifting linear motor (33) is always in a running state, the lifting linear motor (33) enables the automobile axial flow fan (13) to be always in a vertically shaking state through the lifting push rod (35), and the vertical shaking amplitude of the automobile axial flow fan (13) does not exceed the longitudinal thickness dimension of the reinforcing ring (27); the mixed liquid jet flow of the abrasive and the water sprayed by the second nozzle (28) can be sprayed to the outer edge of the reinforcing ring (27) all the time, the up-and-down shaking of the automobile axial flow fan (13) enables the outer edge of the reinforcing ring (27) to be sprayed more uniformly, and further a second complete sand spraying process of the outer edge of the reinforcing ring (27) is realized;
and seventhly, manually supporting the movable ejector rod (20) upwards, and taking down the automobile axial flow fan (13) which is subjected to complete sand blasting.
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| CN207983132U (en) * | 2017-12-14 | 2018-10-19 | 天通银厦新材料有限公司 | Sapphire high pressure waterjet device |
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| CN110270934A (en) | 2019-09-24 |
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