CN111754840A - Paint spraying teaching device and teaching method - Google Patents
Paint spraying teaching device and teaching method Download PDFInfo
- Publication number
- CN111754840A CN111754840A CN202010535399.9A CN202010535399A CN111754840A CN 111754840 A CN111754840 A CN 111754840A CN 202010535399 A CN202010535399 A CN 202010535399A CN 111754840 A CN111754840 A CN 111754840A
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- paint spraying
- frame
- frame body
- teaching
- silica gel
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/025—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the objects or work being present in bulk
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
Abstract
The invention discloses a paint spraying teaching device and a teaching method, which belong to the field of paint spraying teaching and comprise a paint spraying receptor, a particle frame body and allochroic silica gel particles uniformly distributed in the particle frame body, wherein the particle frame body comprises a frame body frame and a metal screen which is detachably arranged on the frame body frame, the frame body frame is fixedly arranged on the paint spraying receptor and is in a closed rectangular structure, and the metal screen is arranged on one side, far away from the paint spraying receptor, of the frame body frame. The invention has the beneficial effects that: the water-spraying teaching device has the advantages that the allochroic silica gel particles are utilized to change color when meeting water, different colors of water content are different, water spraying is adopted to replace paint spraying for teaching, the allochroic effect of the silica gel particles is utilized to evaluate the uniformity of water spraying, and the purpose of simulating paint spraying teaching is achieved while no harm is caused.
Description
Technical Field
The invention relates to the field of paint spraying teaching, in particular to a paint spraying teaching device and a paint spraying teaching method.
Background
Traditional teaching training of spraying paint is mainly through student's hand holding the spray gun and removing, by spray gun blowout paint, the student treats the piece that sprays paint through the speed and the spray gun wobbling angle that the adjustment removed the spray gun and sprays paint. And the student will train out outstanding painting technique and need long-term painting training, like this, will make paint and wait to paint the consume volume increase of piece, and the teaching cost of spraying paint is high to, the pungent smell that paint has still will seriously influence student's healthy.
The paint spraying teaching mode is changed, and particularly, the paint is replaced by other materials, so that the paint spraying teaching method is an improved method in the paint spraying teaching training, and the purpose of paint spraying teaching can be achieved under the condition that the influence of the paint on students is reduced. For example, a multifunctional training frame applied to automobile paint spraying teaching and an automobile paint spraying teaching method, with the patent number of 201910479656.9, replace paint with water, spray water on a paint spraying panel, enter a measuring cup through a collecting hole in the paint spraying panel to collect and measure the water, and judge the spraying effect by measuring the amount of the water. However, the method has the problems that the evaluation error is large, particularly the phenomenon of local paint unevenness is difficult to judge, a test blind spot exists and the like.
Disclosure of Invention
Aiming at the problems of large harm to the body of a student, large evaluation error, blind test point and the like in the prior art, the invention provides the paint spraying teaching device and the teaching method. The specific technical scheme is as follows:
the utility model provides a device is used in teaching of spraying paint, is in including the acceptor of spraying paint, granule framework and evenly distributed the inside allochroic silica gel granule of granule framework, the granule framework includes framework frame and demountable installation be in last metal mesh of framework frame, framework frame is rectangle frame and fixed mounting in on the acceptor of spraying paint, metal mesh installs keep away from on the framework frame the acceptor one side of spraying paint.
Because the color-changing silica gel particles are granular and cannot be uniformly fixed on the paint spraying receptor, the color-changing silica gel particles are limited in the frame by using the frame and the metal screen, so that when the paint spraying receptor stands to perform paint spraying operation, the color-changing silica gel particles and the paint spraying receptor still keep relatively fixed and are prevented from being separated from the paint spraying receptor.
Furthermore, the allochroic silicagel particles are spherical, the diameters of the allochroic silicagel particles are 1-8mm, and the diameters of the allochroic silicagel particles in the particle frame are equal.
Further, the height of the frame body frame is 1-1.2 times of the diameter of the allochroic silica gel particles. The height of the frame body frame is set, so that the phenomenon that the color-changing silica gel particles are overlapped up and down after being smoothed in the frame body frame is avoided.
Further, the hole on the metal screen cloth is circular, the diameter of the allochroic silicagel particles is equal to the distance between the centers of two adjacent holes on the metal screen cloth, and the diameter of the hole is 0.7-0.8 times of the diameter of the allochroic silicagel particles. Design into circularly with the hole, just can supply the silica gel granule head that discolours to pass through to when realizing fixing the silica gel granule that discolours, the silica gel granule head that discolours exposes, can be directly spouted the purpose when the water spray.
Further, the outline of the metal screen is flush with the inner edge of the rectangular frame, and a fastening component for fixing the metal screen on the rectangular frame is arranged below the metal screen.
Further, the fastening assembly comprises a fastening clamping strip used for being clamped on the side of the rectangular frame, and strip-shaped clamping grooves used for clamping the fastening clamping strip are formed in the upper side and the lower side of the rectangular frame. Set up fastening components and fix both sides about to metal mesh, prevent that metal mesh from appearing sliding or breaking away from at the in-process of rectangle frame upset.
Further, still be provided with vertically and horizontally staggered's at least one horizontal support bar and indulge the support bar in the rectangular frame, horizontal setting of horizontal support bar and with it is perpendicular to indulge the support bar.
Further, fastening components still includes the fastening pin pole, the fastening pin pole sets up metal screen cloth below with horizontal support bar, indulge the support bar and left and right sides limit corresponds position department, horizontal support bar, indulge the support bar and left and right sides on the side with the fastening pin pole corresponds position department and is equipped with and is used for making fastening pin pole cup joints the fastening groove above that. The design of fastening pin pole and fastening groove can prevent the separation of metal mesh screen middle part region and rectangular frame, has improved the holistic stability of granule framework.
Further, the thickness of horizontal support strip with indulge the support strip equals allochroic silica gel granule radius. Horizontal support bar and indulge the support bar set up aim at, when the rectangle frame stands up, the silica gel granule that discolours has the trend of sliding downwards because of the effect of gravity, be close to the downside position more, the trend that the silica gel granule slided downwards is more obvious, also can produce pressure to the metal mesh screen on its surface, can lead to metal mesh screen's deformation even, here through the setting of horizontal support bar and indulge the support bar, can fall into a plurality of cell bodies with the rectangle frame, support the silica gel granule that discolours in the groove respectively, the pressure effect of silica gel granule to metal mesh screen has been dispersed, thereby metal mesh screen's deformation has been prevented.
Further, frame inner pad is equipped with the deformable foam sheet, the deformable foam sheet is close to the acceptor one side that sprays paint with the acceptor laminating of spraying paint. The deformable foam sheet can deform after being stressed, when the allochroic silica gel particles are pressed downwards by using pressure, the allochroic silica gel particles are pressed into the deformable foam sheet, a hemispherical contour which is the same as the outer contour of the allochroic silica gel particles is formed on the surface of the deformable foam sheet, and the allochroic silica gel particles can be supported.
Further, the thickness of the deformable foam sheet is more than or equal to the radius of the allochroic silica gel particles.
Furthermore, the metal screen is provided with water-absorbing cloth except for the holes. The water-absorbing cloth can be cotton or viscose cloth, and the cloth structure can be needle-punched cloth, stitch-bonded cloth, warp-knitted cloth, woven cloth and the like.
Furthermore, power supplies can be connected to two sides of the metal screen to heat the metal screen, so that the water in the metal screen and the allochroic silica gel particles in the pores of the metal screen can be evaporated.
Furthermore, both sides of the paint spraying receptor can be arranged on a paint spraying teaching frame and can rotate along the horizontal axis direction of the installation position. Still be equipped with colour determine module on the teaching frame sprays paint.
Furthermore, the color detection assembly comprises a CCD camera, a microprocessor, a data processing assembly, a storage device, a clock device and an alarm device, wherein the output end of the CCD camera is connected with the input end of the microprocessor, the output end of the microprocessor is respectively connected with the input ends of the storage device, the clock device and the alarm device, and the data processing assembly is in bidirectional connection with the microprocessor.
Further, the CCD camera with the teaching frame that sprays paint links to each other through the mounting bracket, mounting bracket one end with teaching frame border swivelling joint sprays paint, the other end is fixed with the CCD camera, and during the detection the CCD camera is located directly over the acceptor mounting plate that sprays paint.
The invention also provides a paint spraying teaching method, which comprises the following steps:
the method comprises the following steps: paving the allochroic silica gel particles in the frame body frame, and then troweling the allochroic silica gel particles along the edge of the frame body frame by using the straight rod to ensure that a layer of allochroic silica gel particles is just paved in the frame body frame;
step two: covering a metal screen on the upper surface of allochroic silica gel particles in a frame body frame, wherein the holes in the metal screen are circular, the diameter of the allochroic silica gel particles is equal to the distance between the centers of two adjacent holes in the metal screen, the diameter of each hole is 0.7-0.8 times of the diameter of silica gel, and the allochroic silica gel particles are just sleeved at the positions of the holes in the metal screen;
step three: fastening the metal screen at the edge of the frame body frame through a fastening assembly, placing a paint spraying receptor and the particle frame body on a paint spraying teaching frame together, wherein a plane where the particle frame body is located and a horizontal plane form a certain angle, and the preferred angle is 0-90 degrees;
step four: the spray gun is held by hand, and the spray action is simulated to aim at the frame body frame to uniformly spray water mist; and after the spraying is finished, observing the whole color change condition of the color-changing silica gel particles so as to judge the spraying uniformity of the student.
Further, in the fourth step, after the water spraying is finished, the water can be directly photographed by using a CCD camera, or the paint spraying receptor can be rotated to a horizontal position, then the metal screen is detached, and then the water can be photographed by using the CCD camera.
Further, frame inner pad is equipped with the deformable foam sheet, the deformable foam sheet is close to the acceptor one side that sprays paint with the acceptor laminating of spraying paint. Before the upper surfaces of the allochroic silicagel particles are covered by the metal screen in the second step, the allochroic silicagel particles can be pressed into the deformable foam sheet firstly, so that half of the allochroic silicagel particles are immersed into the deformable foam sheet, and then the allochroic silicagel particles are covered by the metal screen.
Has the advantages that:
the technical scheme of the invention has the following beneficial effects:
(1) because the color-changing silica gel particles are granular and cannot be uniformly fixed on the paint spraying receptor, the color-changing silica gel particles are limited in the frame by using the frame and the metal screen, so that when the paint spraying receptor stands to perform paint spraying operation, the color-changing silica gel particles and the paint spraying receptor still keep relatively fixed and are prevented from being separated from the paint spraying receptor.
(2) Horizontal support bar and indulge the support bar set up aim at, when the rectangle frame stands up, the silica gel granule that discolours has the trend of sliding downwards because of the effect of gravity, be close to the downside position more, the trend that the silica gel granule slided downwards is more obvious, also can produce pressure to the metal mesh screen on its surface, can lead to metal mesh screen's deformation even, here through the setting of horizontal support bar and indulge the support bar, can fall into a plurality of cell bodies with the rectangle frame, support the silica gel granule that discolours in the groove respectively, the pressure effect of silica gel granule to metal mesh screen has been dispersed, thereby metal mesh screen's deformation has been prevented.
(3) The cushion is equipped with deformable foam sheet in the frame, and deformable foam sheet can warp here after receiving pressure, when using the pressure to push down the color-changing silica gel granule always, the color-changing silica gel granule will be impressed in the deformable foam sheet, on deformable foam sheet surface form with the same hemispherical profile of color-changing silica gel granule outline can play the supporting role to the color-changing silica gel granule.
(4) Adopt the CCD camera to take a picture to the change body silica gel particle surface after the water spray to convey it to microprocessor and preserve, not only can utilize image recognition and processing to carry out accurate processing to the colour effect after the water spray, obtain the objective score of water spray effect, can take notes student's actual operation training process moreover, the high-efficient score of learning the water spray of record student each time of preparing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a top view of a preferred paint spraying teaching apparatus of the present invention;
FIG. 2 is a side view of the painting teaching device of the present invention;
FIG. 3 is a connection diagram of the components of the preferred color detection assembly of the present invention;
FIG. 4 is a perspective view of a preferred frame of the present invention;
FIG. 5 is a top view of the preferred frame of the present invention;
FIG. 6 is a cross-sectional view of a preferred particle cage of the present invention;
FIG. 7 is a perspective view of a preferred metal screen of the present invention.
In the figure: 1. a lacquer receptor; 2. a particle frame body; 21. a frame body frame; 211. a strip-shaped clamping groove; 212. a transverse supporting bar; 213. a longitudinal support bar; 214. a fastening groove; 22. a metal screen; 221. a pore; 23. a fastening assembly; 3. allochroic silica gel particles; 231. fastening the clamping strip; 232. fastening a pin rod; 4. a painting teaching frame; 41. a frame body; 42. a spray painting receptor mounting plate; 43. installing a shaft; 44. a fastener; 51. a CCD camera 51; 52. a microprocessor; 53. a data processing component; 54. a storage device; 55. a clock device; 56. an alarm device; 57. an artificial input port; 58. a display device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
This embodiment utilizes the water characteristics that discolours of allochroic silica gel, the piece surface design that will spray paint becomes the allochroic silica gel structure, spun paint replaces with water in the spray gun, when the simulation sprays paint, discolours after the allochroic silica gel granule contacts spun water in the spray gun, appear different discoloration effect according to the different allochroic silica gel granules of the water yield of spraying on surface, thereby the homogeneity that sprays paint is appraised according to the condition of discolouring of silica gel, whole in-process all adopts the water spray, and the principle that the various silica gel of evaluation standard met water and discolour, the effect is directly perceived accurate, no blind spot has been realized.
As shown in fig. 1 and 2, the device for paint spraying teaching comprises a paint spraying receptor 1, a particle frame body 2 and allochroic silica gel particles 3 uniformly distributed in the particle frame body 2, wherein the two sides of the paint spraying receptor 1 and the two sides of the particle frame body 2 are arranged on a paint spraying teaching frame 4 and can rotate along the horizontal axis direction of the installation position.
Specifically, the teaching frame 4 that sprays paint includes support body 41 and installs the recipient mounting panel 42 that sprays paint of support body 41 upper end, the recipient mounting panel 42 that sprays paint middle part is installed through installation axle 43 rotation on the support body 41. Fasteners 44 for fixing the front and rear sides of the overall structure formed by the particle frame body 2 and the paint spraying receptor 1 are formed on the front and rear sides of the paint spraying receptor mounting plate 42 parallel to the mounting shaft 43.
In order to objectively and accurately evaluate the color change of the allochroic silica gel particles 3, a color detection component is introduced and arranged on the paint spraying teaching frame 4. Referring to fig. 3, the color detection assembly comprises a CCD camera 51, a microprocessor 52, a data processing assembly 53, a storage device 54, a clock device 55, an alarm device 56, an artificial input port 57 and a display device 58, wherein an output end of the CCD camera 51 is connected with an input end of the microprocessor 52, an output end of the microprocessor 52 is respectively connected with input ends of the storage device 54, the clock device 55 and the alarm device 56, and the data processing assembly 53 is bidirectionally connected with the microprocessor 52. An output of the manual input port 58 is coupled to an input of the microprocessor 52 and an input of the display device 58 is coupled to an output of the microprocessor 52. The display device 58 is preferably a display screen, which can be used to display the painting teaching in real time and also to retrieve the data and picture information of the previous teaching.
Referring to fig. 1, the CCD camera 51 is connected to the painting teaching frame 4 through a mounting component 45, one end of the mounting component 45 is rotatably connected to the edge of the painting teaching frame 4, the CCD camera 51 is fixed to the other end of the mounting component, and the CCD camera 51 is located right above the painting receptor mounting plate 42 during detection.
Referring to fig. 4 and 5, the particle frame 2 includes a frame 21 and a metal screen 22 detachably mounted on the frame 21, the frame 22 is a rectangular frame and is fixedly mounted on the paint spraying receptor 1, and the metal screen 22 is mounted on the frame 21 at a side away from the paint spraying receptor 1. Because the color-changing silica gel particles are granular and cannot be uniformly fixed on the paint spraying receptor, the color-changing silica gel particles are limited in the frame by using the frame and the metal screen, so that when the paint spraying receptor stands to perform paint spraying operation, the color-changing silica gel particles and the paint spraying receptor still keep relatively fixed and are prevented from being separated from the paint spraying receptor.
In order to observe the color-changing effect conveniently and enable the surfaces of the color-changing silica gel particles to be on the same plane, the color-changing silica gel particles 3 are spherical, the diameters of the color-changing silica gel particles are 1-8mm, preferably 2-4mm, and the diameters of the color-changing silica gel particles in the particle frame are equal.
Referring to fig. 6, the height of the frame 21 is 1-1.2 times the diameter of the allochroic silicagel particles 3. The height of the frame body frame is set, so that the color-changing silica gel particles in the frame body frame are prevented from being overlapped up and down after being smoothed, and the metal screen 22 is pressed downwards into the frame body frame 21 and sleeved on the color-changing silica gel particles 3.
Referring to fig. 7, the pores 221 of the metal mesh 22 are circular, the diameters of the pores 221 gradually increase from the upper surface to the lower surface, and when the pores are fastened on the allochroic silicagel particles 3, the edges of the pores are just attached to the surfaces of the allochroic silicagel particles. The diameter of the allochroic silicagel particles 3 is equal to the distance between the centers of two adjacent pores on the metal screen 22, and the diameter of each pore is 0.7-0.8 times of the diameter of the allochroic silicagel particles. Design into circularly with the hole, just can supply the silica gel granule head that discolours to pass through to when realizing fixing the silica gel granule that discolours, the silica gel granule head that discolours exposes, can be directly spouted the purpose when the water spray.
Of course, the allochroic silicagel particles 3 are arranged in a staggered manner, the metal screen 22 is correspondingly designed to be arranged in a staggered manner during design, and the pores can also be designed to be in a regular hexagonal structure.
The metal screen 22 is contoured flush with the inner edge of the rectangular frame and has a fastening assembly 23 disposed thereunder for securing the metal screen 22 to the rectangular frame.
As a preferred embodiment, the fastening assembly 23 includes a fastening strip 231 for being clamped on the side of the rectangular frame, and strip-shaped clamping slots 211 for clamping the fastening strip are disposed on four sides of the rectangular frame. Set up fastening components and fix metal mesh four sides, prevent that metal mesh from appearing sliding or breaking away from at the in-process of rectangle frame upset.
Still be provided with vertically and horizontally staggered's at least one horizontal support bar 212 and vertical support bar 213 in the rectangular frame, horizontal support bar 212 level setting and with vertical support bar 213 is perpendicular.
The fastening assembly 23 further comprises a fastening pin rod 232, the fastening pin rod 232 is arranged below the metal screen 22 and at the corresponding positions of the transverse support bar 212, the longitudinal support bar 213 and the left and right sides, and fastening grooves 214 for enabling the fastening pin rod to be sleeved on the corresponding positions of the fastening pin rod 232 are arranged on the transverse support bar 212, the longitudinal support bar 213 and the left and right sides. The design of fastening pin pole and fastening groove can prevent the separation of metal mesh screen middle part region and rectangular frame, has improved the holistic stability of granule framework.
The thickness of the horizontal support strip 212 and the vertical support strip 213 is equal to the radius of the allochroic silica gel particles. Horizontal support bar and indulge the support bar set up aim at, when the rectangle frame stands up, the silica gel granule that discolours has the trend of sliding downwards because of the effect of gravity, be close to the downside position more, the trend that the silica gel granule slided downwards is more obvious, also can produce pressure to the metal mesh screen on its surface, can lead to metal mesh screen's deformation even, here through the setting of horizontal support bar and indulge the support bar, can fall into a plurality of cell bodies with the rectangle frame, support the silica gel granule that discolours in the groove respectively, the pressure effect of silica gel granule to metal mesh screen has been dispersed, thereby metal mesh screen's deformation has been prevented.
A deformable foam sheet (not shown) is padded in the frame body frame 21, and one surface, close to the paint spraying receptor, of the deformable foam sheet is attached to the paint spraying receptor. The deformable foam sheet can deform after being stressed, when the allochroic silica gel particles are pressed downwards by using pressure, the allochroic silica gel particles are pressed into the deformable foam sheet, a hemispherical contour which is the same as the outer contour of the allochroic silica gel particles is formed on the surface of the deformable foam sheet, and the allochroic silica gel particles can be supported.
The thickness of the deformable foam sheet is more than or equal to the radius of the allochroic silica gel particles.
The metal mesh 22 is provided with a water-absorbing cloth (not shown) except for the pores. The water-absorbing cloth can be cotton or viscose cloth, and the cloth structure can be needle-punched cloth, stitch-bonded cloth, warp-knitted cloth, woven cloth and the like.
The two sides of the metal screen mesh can be connected with a power supply to heat the metal screen mesh, so that the water in the metal screen mesh and the allochroic silica gel particles at the holes of the metal screen mesh can be evaporated.
The embodiment also provides a paint spraying teaching method, which comprises the following steps:
the method comprises the following steps: paving the allochroic silica gel particles in the frame body frame, and then troweling the allochroic silica gel particles along the edge of the frame body frame by using the straight rod to ensure that a layer of allochroic silica gel particles is just paved in the frame body frame;
step two: covering a metal screen on the upper surface of allochroic silica gel particles in a frame body frame, wherein the holes in the metal screen are circular, the diameter of the allochroic silica gel particles is equal to the distance between the centers of two adjacent holes in the metal screen, the diameter of each hole is 0.7-0.8 times of the diameter of the allochroic silica gel particles, and the allochroic silica gel particles are just sleeved at the positions of the holes in the metal screen;
step three: fastening the metal screen at the edge of the frame body frame through a fastening assembly, placing a paint spraying receptor and the particle frame body on a paint spraying teaching frame together, wherein a plane where the particle frame body is located and a horizontal plane form a certain angle;
step four: the spray gun is held by hand, and the spray action is simulated to aim at the frame body frame to uniformly spray water mist; and after the spraying is finished, observing the whole color change condition of the color-changing silica gel particles so as to judge the spraying uniformity of the student.
In the fourth step, after the water spraying is completed, the CCD camera 51 can be used to photograph the object directly, or the metal screen 22 can be detached after the paint spraying receptor 1 is rotated to the horizontal position, and then the CCD camera 51 can be used to photograph the object.
The inner pad of the frame body frame is provided with a deformable foam sheet, and the deformable foam sheet is close to one surface of the paint spraying receptor and is attached to the paint spraying receptor. Before the upper surfaces of the allochroic silicagel particles are covered by the metal screen in the second step, the allochroic silicagel particles can be pressed into the deformable foam sheet firstly, so that half of the allochroic silicagel particles are immersed into the deformable foam sheet, and then the allochroic silicagel particles are covered by the metal screen.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The device for paint spraying teaching is characterized by comprising a paint spraying receptor, a particle frame body and allochroic silica gel particles uniformly distributed in the particle frame body, wherein the particle frame body comprises a frame body frame and a metal screen mesh detachably arranged on the frame body frame; the frame body frame is a rectangular frame and is fixedly installed on the paint spraying receptor, and the metal screen is installed on the frame body frame and is far away from one side of the paint spraying receptor.
2. The device for paint spraying teaching of claim 1, wherein the allochroic silicagel particles are spherical and have a diameter of 1-8mm, and the diameters of the allochroic silicagel particles in the particle frame are all equal.
3. The device for teaching paint spraying according to claim 2, wherein the height of the frame body is 1-1.2 times the diameter of the allochroic silicagel particles.
4. The device for paint spraying teaching as claimed in claim 3, wherein the holes on the metal screen are circular, the diameter of the allochroic silicagel particles is equal to the distance between the centers of two adjacent holes on the metal screen, and the diameter of the holes is 0.7-0.8 times of the diameter of the allochroic silicagel particles.
5. A paint spraying teaching device as claimed in claim 4 wherein the metal screen is contoured flush with the inner edge of the rectangular frame and has a fastening assembly located therebelow for securing the metal screen to the rectangular frame.
6. The device for paint spraying teaching of claim 5, wherein the fastening assembly comprises a fastening strip for being clamped on the edge of the rectangular frame, and strip-shaped clamping grooves for clamping the fastening strip are formed in the upper edge and the lower edge of the rectangular frame.
7. The device for paint spraying teaching as claimed in claim 6, wherein at least one criss-cross.
8. The device for paint spraying teaching of claim 7, wherein the thickness of the transverse support bars and the longitudinal support bars is equal to the radius of the allochroic silica gel particles.
9. The device for teaching paint spraying according to claim 6, wherein the frame inner pad is provided with a deformable foam sheet, and the deformable foam sheet is attached to the paint spraying receptor near one surface of the paint spraying receptor.
10. The paint spraying teaching method is characterized by comprising the following steps:
the method comprises the following steps: paving the allochroic silica gel particles in the frame body frame, and then troweling the allochroic silica gel particles along the edge of the frame body frame by using the straight rod to ensure that a layer of allochroic silica gel particles is just paved in the frame body frame;
step two: covering a metal screen on the upper surface of allochroic silicagel particles in a frame body frame, wherein the holes on the metal screen are circular, the diameter of the allochroic silicagel particles is equal to the distance between the centers of two adjacent holes on the metal screen, and the allochroic silicagel particles are just sleeved at the positions of the holes on the metal screen;
step three: fastening the metal screen at the edge of the frame body frame through a fastening assembly, and placing the paint spraying receptor and the particle frame body on a paint spraying teaching frame;
step four: the spray gun is held by hand, and the spray action is simulated to aim at the frame body frame to uniformly spray water mist; and after the spraying is finished, observing the whole color change condition of the color-changing silica gel particles so as to judge the spraying uniformity of the student.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010535399.9A CN111754840B (en) | 2020-06-12 | 2020-06-12 | Paint spraying teaching device and teaching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010535399.9A CN111754840B (en) | 2020-06-12 | 2020-06-12 | Paint spraying teaching device and teaching method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111754840A true CN111754840A (en) | 2020-10-09 |
| CN111754840B CN111754840B (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010535399.9A Active CN111754840B (en) | 2020-06-12 | 2020-06-12 | Paint spraying teaching device and teaching method |
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Cited By (1)
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| CN112345223A (en) * | 2020-11-03 | 2021-02-09 | 中山市恒滨实业有限公司 | Assembly detection method of spray-melt cloth extrusion die |
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| CN111754840B (en) | 2022-03-08 |
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