Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic wall painting device, which solves the problems of difficult painting, incapability of collecting falling paint and the like, reduces the difficulty of painting and increases the function of collecting falling paint.
The invention is realized by the following technical scheme.
The invention relates to an automatic wall painting device which comprises a base, wherein a scraper cavity with an upward opening is formed in the left end in the base, a lifting block capable of lifting up and down is arranged on the upper side of the base, a painting mechanism for painting a wall surface is arranged in the lifting block, a lifting mechanism for lifting the lifting block is arranged at the upper end in the base, and a paint collecting mechanism for collecting falling paint is arranged in the scraper cavity;
the painting mechanism comprises a piston cavity positioned in the lifting block, a piston plate capable of moving left and right in the cavity is arranged in the piston cavity, a first rack is fixedly arranged on the right end face of the piston plate, a moving plate is fixedly arranged on the right end face of the first rack, a tension spring is connected between the right end face of the moving plate and the right cavity wall of the piston cavity, a first driven cavity is arranged on the upper side of the piston cavity, a rotating shaft is rotatably arranged between the upper cavity wall of the first driven cavity and the lower cavity wall of the piston cavity, a sector gear meshed and connected with the front end face of the first rack is arranged at the lower end of the rotating shaft, a driven shaft positioned in the first driven cavity is arranged at the upper end of the rotating shaft, a driving pulley is arranged at the upper end of the rotating shaft, a paint storage cavity is arranged on the left side of the first driven cavity, a rotating rod is, a belt is arranged between the driven belt wheel and the driving belt wheel in a transmission way, the lower end of the rotating rod is provided with stirring blades, the lower cavity wall of the paint storage cavity is provided with a through hole communicated with the piston cavity, a baffle cavity is arranged in the cavity wall of the through hole, a baffle plate which can move left and right in the baffle plate cavity is arranged in the baffle plate cavity, an elastic spring is connected between the right end surface of the baffle plate and the right cavity wall of the baffle plate cavity, the right end face of the baffle is connected with one end of a pull rope, the upper end face of the piston plate is connected with the other end of the pull rope, the lower end of the lifting block is provided with a roller cavity with a left opening, a rotating rod is rotatably arranged between the front cavity wall and the rear cavity wall of the roller cavity, the rotating rod is provided with a painting roller, the lower cavity wall at the left end of the piston cavity is provided with a nozzle communicated with the roller cavity, the paint storage cavity is characterized in that an inlet communicated with an external space is formed in the upper cavity wall of the paint storage cavity, and a first electromagnetic switch is arranged in the inlet.
Furthermore, a rotating shaft is arranged on the left cavity wall of the first driven cavity in a rotating mode, a first worm is arranged at the left end of the rotating shaft, a driven bevel gear is arranged at the right end of the rotating shaft, a worm wheel meshed with the first worm is arranged on the rotating shaft, a driven shaft is arranged between the front cavity wall and the rear cavity wall of the right end of the first driven cavity in a rotating mode, a driving bevel gear meshed with the driven bevel gear is arranged at the rear end of the driven shaft, and a rotating gear is arranged at the front end of the driven shaft.
Further, elevating system is including fixing the connecting block of the up end of base right-hand member, the fixed top cap that is equipped with of connecting block up end, the fixed motor that is equipped with of rear end in the base, motor upper end power connection be equipped with the upper end with the screw rod of top cap lower extreme rotation connection, the rear end is equipped with the screw hole that runs through from top to bottom in the elevating system, the screw rod with screw hole threaded connection, the fixed dead lever that is equipped with the upper end and the end connection under the top cap of front end in the base, the elevating system front end is equipped with the intercommunicating pore that runs through from top to bottom, the dead lever with intercommunicating pore sliding connection, the fixed second rack that is equipped with ability and rotatory gear engagement.
Further, the paint collecting mechanism comprises a displacement cavity which is positioned in the right cavity wall of the scraper cavity and has a left opening, a displacement block which can move back and forth in the displacement cavity is arranged in the displacement cavity, a scraper which is positioned in the scraper cavity is fixedly arranged on the left end face of the displacement block, a third rack is fixedly arranged on the right end face of the displacement block, an open cavity with a left opening is arranged in the right cavity wall of the displacement cavity, a driven rod is rotatably arranged between the upper cavity wall and the lower cavity wall of the open cavity, a driven gear which is meshed and connected with the third rack is arranged at the upper end of the driven rod, a second worm gear is arranged at the lower end of the driven rod, a compression cavity is arranged on the right side in the top cover, a fourth rack which can move up and down in the compression cavity is arranged in the compression cavity, a compression spring is connected between the lower end face of the fourth rack and the, the second is rotated from the chamber wall of cavity right side and is equipped with the left end and stretches into the bull stick in the opening oral cavity, the bull stick left end be equipped with the second screw rod that second worm wheel meshing is connected, the bull stick right-hand member be equipped with can with the rotating gear that fourth rack rear end face meshing is connected, scraper blade chamber downside is equipped with collects the chamber, both ends all are equipped with the intercommunication around collecting the chamber upper chamber wall the through hole in scraper blade chamber, be equipped with the export of intercommunication external space in the collection chamber front chamber wall, be equipped with second electromagnetic switch in the export.
Further, the elastic force of the compression spring on the fourth rack is larger than the sum of the gravity of the fourth rack and the friction force received by the fourth rack when the fourth rack slides in the compression cavity.
The invention has the beneficial effects that: the wall painting roller device is simple in structure and convenient and fast to operate, painting can be performed on a wall surface from bottom to top during work, paint can be supplied to the painting roller in real time during painting, so that the paint is kept sufficient, and therefore the wall surface can be evenly painted.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The automatic wall painting device described in conjunction with the accompanying drawings 1-5 comprises a base 28, a scraper cavity 31 with an upward opening is arranged at the left end in the base 28, a lifting block 15 capable of ascending and descending is arranged on the upper side of the base 28, a painting mechanism 33 for painting the wall surface is arranged in the lifting block 15, a lifting mechanism 57 for lifting the lifting block 15 is arranged at the upper end in the base 28, a paint collecting mechanism 29 for collecting falling paint is arranged in the scraper cavity 31, the painting mechanism 33 comprises a piston cavity 20 located in the lifting block 15, a piston plate 38 capable of moving left and right in the cavity is arranged in the piston cavity 20, a first rack 36 is fixedly arranged on the right end face of the piston plate 38, a moving plate 18 is fixedly arranged on the right end face of the first rack 36, and a tension spring 17 is connected between the right end face of the moving plate 18 and the right cavity wall of the piston cavity 20, the upside of piston chamber 20 is equipped with first slave cavity 13, first slave cavity 13 upper chamber wall with it is equipped with pivot 44 to rotate between the piston chamber 20 lower chamber wall, pivot 44 lower extreme be equipped with fan gear 19 that the terminal surface meshing is connected before the first rack 36, pivot 44 upper end is equipped with and is located driven shaft 55 in the first slave cavity 13, pivot 44 upper end is equipped with driving pulley 53, first slave cavity 13 left side is equipped with paint storage chamber 46, paint storage chamber 46 upper chamber wall rotates and is equipped with dwang 47, dwang 47 upper end is equipped with driven pulley 48, driven pulley 48 with the transmission is equipped with belt 51 between the driving pulley 53, dwang 47 lower extreme is equipped with stirring vane 45, paint storage chamber 46 lower chamber wall is equipped with the intercommunication the through-hole 43 of piston chamber 20, be equipped with baffle chamber 42 in the through-hole 43 chamber wall, be equipped with baffle 41 that can be at the intracavity side-to-side motion in baffle chamber 42, baffle 41 right-hand member face with it is equipped with elastic spring 39 to connect between the baffle chamber 42 right side chamber wall, baffle 41 right-hand member face is connected and is equipped with 40 one ends of stay cord, piston plate 38 up end is connected with the 40 other end of stay cord, the 15 lower extreme of elevator is equipped with opening cylinder chamber 32 left, it is equipped with rotary rod 35 to rotate between the chamber wall around cylinder chamber 32, be equipped with painting roller 34 on the rotary rod 35, be equipped with the intercommunication in the lower chamber wall of piston chamber 20 left end the spout 37 in cylinder chamber 32, paint storage chamber 46 goes up the chamber wall and is equipped with the import 49 that communicates external space, be equipped with first electromagnetic switch 50 in the import 49.
Advantageously, a rotating shaft 54 is rotatably arranged on the left cavity wall of the first driven cavity 13, a first worm 74 is arranged at the left end of the rotating shaft 54, a driven bevel gear 66 is arranged at the right end of the rotating shaft 54, a worm gear 52 in meshing connection with the first worm 74 is arranged on the rotating shaft 44, a driven shaft 55 is rotatably arranged between the front cavity wall and the rear cavity wall at the right end of the first driven cavity 13, a driving bevel gear 67 in meshing connection with the driven bevel gear 66 is arranged at the rear end of the driven shaft 55, and a rotating gear 65 is arranged at the front end of the driven shaft 55.
Beneficially, the lifting mechanism 57 includes a connecting block 14 fixed on the upper end face of the right end of the base 28, the top cover 10 is fixedly arranged on the upper end face of the connecting block 14, a motor 62 is fixedly arranged in the base 28 at the rear end, a screw rod 64 with the upper end rotatably connected with the lower end of the top cover 10 is connected with the upper end of the motor 62 in a power connection manner, a threaded hole 63 penetrating up and down is arranged at the rear end in the lifting block 15, the screw rod 64 is in threaded connection with the threaded hole 63, a fixing rod 12 with the upper end connected with the lower end face of the top cover 10 is fixedly arranged at the front end in the base 28, a communication hole 75 penetrating up and down is arranged at the front end of the lifting block 15, the fixing rod 12 is in sliding connection with the communication hole 75, and a second rack.
Beneficially, the paint collecting mechanism 29 includes a displacement cavity 76 which is located in the right cavity wall of the scraper cavity 31 and has a left opening, a displacement block 27 which can move back and forth in the cavity is located in the displacement cavity 76, a scraper 30 which is located in the scraper cavity 31 is fixedly arranged on the left end face of the displacement block 27, a third rack 70 is fixedly arranged on the right end face of the displacement block 27, an open cavity 71 which has a left opening is located in the right cavity wall of the displacement cavity 76, a driven rod 72 is rotatably arranged between the upper cavity wall and the lower cavity wall of the open cavity 71, a driven gear 69 which is engaged and connected with the third rack 70 is arranged on the upper end of the driven rod 72, a second worm gear 73 is arranged on the lower end of the driven rod 72, a compression cavity 26 is arranged on the right side in the top cover 10, a fourth rack 21 which can move up and down in the cavity is located in the compression cavity 26, and a compression spring 25 is connected between the lower, be equipped with second driven chamber 22 in the compression chamber 26 chamber wall, second driven chamber 22 right side chamber wall rotates and is equipped with the left end and stretches into bull stick 23 in the opening chamber 71, bull stick 23 left end be equipped with second worm wheel 73 meshes the second screw rod 68 of connecting, bull stick 23 right-hand member be equipped with can with fourth rack 21 rear end face meshing connection's rotating gear 24, scrape board chamber 31 downside is equipped with collects chamber 58, collect chamber 58 and go up the chamber wall around both ends all be equipped with the intercommunication scrape board chamber 31's through hole 59, be equipped with the export 60 of intercommunication external space in the chamber wall before collecting chamber 58, be equipped with second electromagnetic switch 61 in the export 60.
Advantageously, the elastic force of the compression spring 25 on the fourth rack 21 is greater than the sum of the weight of the fourth rack 21 and the friction to which the fourth rack 21 is subjected when sliding in the compression chamber 26.
In the initial state, the piston plate 38 is located in the middle of the piston cavity 20 under the action of the extension spring 17, the pulling rope 40 is in a relaxed state, the left end of the baffle plate 41 located in the baffle plate cavity 42 under the action of the elastic spring 39 closes the through hole 43, the fourth rack 21 is located at the upper side of the compression cavity 26 under the supporting action of the compression spring 25, and the scraper 30 is located at the rear side of the scraper cavity 31.
When painting, the first electromagnetic switch 50 is turned on, the prepared paint is poured into the paint storage chamber 46 through the inlet 49, the painting roller 34 is pressed against the wall surface to be painted, the motor 62 is started, the motor 62 is operated to drive the rotating shaft 54 to rotate, so as to drive the screw 64 to move upwards through threaded connection, the lifting block 15 also moves upwards on the fixed rod 12, the lifting block 15 moves upwards to drive the rotating gear 65 meshed with the second rack 56 to rotate, so as to drive the driven shaft 55 and the driving bevel gear 67 on the driven shaft 55 to rotate, so as to drive the driven bevel gear 66 meshed with the driving bevel gear 67 to rotate, the driven bevel gear 66 rotates to drive the rotating shaft 54 and the first worm 74 on the rotating shaft 54 to rotate, the first worm 74 rotates to drive the worm gear 52 meshed with the first worm gear to rotate, so as to drive the rotating shaft 44 and the driving pulley 53 and the sector gear 19 on the rotating shaft 44 to rotate, the driving pulley 53 rotates to drive the driven pulley 48 which is in transmission connection with the driving pulley through the belt 51 to rotate, the driven pulley 48 rotates to drive the rotating rod 47 and the stirring blade 45 at the lower end of the rotating rod 47 to rotate, the stirring blade 45 rotates to stir the paint in the paint storage cavity 46 to prevent the paint from being solidified too fast, the sector gear 19 rotates to drive the first rack 36 which is in meshing connection with the sector gear to move leftwards, so as to drive the piston plate 38 to move leftwards to push the paint in the piston cavity 20 into the nozzle 37 and spray the paint on the painting roller 34, the wall surface is painted through the rotation of the painting roller 34 on the wall surface, when the piston plate 38 moves leftwards, the pulling rope 40 is tensioned, the baffle plate 41 moves rightwards under the pulling force of the pulling rope 40 to open the through hole 43, the paint in the paint storage cavity 46 can enter the piston cavity 20 through the through hole 43 to supply the paint in the piston cavity, when the sector gear 19 rotates to be disengaged from the first rack 36, the piston plate 38 moves rightwards to reset under the action of the tension of the extension spring 17, so that the pull rope 40 is loosened, the baffle plate 41 loses the tension of the pull rope 40 and resets under the elastic force of the elastic spring 39 again to close the through hole 43, so that the paint adding into the piston cavity 20 is stopped;
when the dropped paint is collected, after one wall is brushed, the motor 62 is started to rotate reversely, the sector gear 19 cannot be meshed and connected with the first rack 36 when rotating reversely, the rotating gear 65 rotates reversely to drive the lifting block 15 to move downwards through mechanical transmission to extrude the fourth rack 21, the fourth rack 21 moves downwards to drive the rotating gear 24 to rotate, so as to drive the rotating rod 23 and the second screw 68 on the rotating rod 23 to rotate, the second screw 68 rotates to drive the displacement cavity 76 meshed and connected with the second screw to rotate, so as to drive the driven gear 69 on the driven rod 72 and the driven rod 72 to rotate, the driven gear 69 rotates to drive the third rack 70 meshed and the displacement block 27 connected with the driven gear to move forwards, so as to drive the scraper 30 to move forwards in the scraper cavity 31 to scrape off the paint dropped in the scraper cavity 31 during the paint brushing process, the scraped paint is pushed into the through hole 59 and falls into the collection cavity 58 to be collected, when the painting needs to be performed again, the lifting block 15 moves upwards to separate from the fourth rack 21, the fourth rack 21 moves upwards to be reset under the action of the elastic force of the compression spring 25, and the scraper 30 moves backwards to be reset.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.