Self-maintainable interior wall coating automatic spraying equipment

Abstract

The invention belongs to the technical field of spraying equipment, and particularly relates to self-maintainable interior wall coating automatic spraying equipment which comprises a machine body, a driving motor is fixedly connected to the outer wall of one side of the machine body, and a first meshing tooth is fixedly connected to the axis of the driving motor; a coating spray head is fixedly mounted on the outer wall of the end, away from the third electric control sliding rail, of the sight distance sensor, a visual industrial camera is fixedly mounted on the outer wall of one side of the coating spray head, a protective glass cover is fixedly mounted on the outer wall of the visual industrial camera, and a self-maintenance device is arranged on the outer wall of the top of the second cutting shear. The sight distance sensor is moved and overhung to the position over the first bidirectional operation motor through angle adjustment, at the moment, the first bidirectional operation motor is started to drive the maintenance cotton strip to rotate on the outer wall of the protective glass cover, and coating attached to the outer wall of the protective glass cover is wiped and cleaned.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of spraying equipment, and particularly relates to a self-maintaining interior wall coating automatic spraying equipment. BACKGROUND

[0002] The interior wall coating automatic spraying equipment is a machine device capable of automatically completing latex paint construction of indoor wall surfaces, ceilings and other areas. With the continuous development of science and technology, robots are increasingly widely used in various fields, and the interior wall coating automatic spraying equipment is one of them.

[0003] For example, the indoor wall intelligent spraying robot described in the state patent publication CN114856131A includes eight systems, namely, a robot body, a rudder wheel chassis, a lifting mechanism, a mechanical arm assembly, a spraying mechanism, a feeding assembly, a sensor system and a chassis controller. The robot body can flexibly execute an active path; the lifting mechanism drives the mechanical arm assembly to move in the vertical direction, completing the complete spraying of the spraying mechanism in the vertical direction and the wall corner turning; the mechanical arm assembly ensures a greater range of angle spraying, and the mechanical arm end adopts a modular design; the sensor is arranged at the top end of the mechanical arm to solve the problem of low automation degree of the existing spraying robot; the spraying mechanism is located at the end of the mechanical arm, has the characteristics of simple operation of the mobile spraying device, strong adaptability to paint, wide working range, high spraying precision and high automation degree, and can realize the spraying work of vertical walls and high-quality decoration spraying work of indoor walls.

[0004] However, the traditional device has the following problems when in use:

[0005] When the equipment sprays paint on the interior wall, due to the flow effect of air, the paint is easy to sputter on the visual sensing camera, affecting the detection function of the visual camera and the spraying effect of the equipment. SUMMARY

[0006] In view of the deficiencies in the prior art, the application aims to provide a self-maintaining interior wall coating automatic spraying equipment, which has the advantages of self-maintenance of the visual camera and avoids affecting the detection function of the visual camera.

[0007] In order to achieve the above object, the present application provides the following technical scheme: A self-maintaining interior wall coating automatic spraying equipment, comprising a machine body, a driving motor is fixedly connected to one side outer wall of the machine body, a meshing tooth one is fixedly connected to the shaft center of the driving motor, a meshing tooth two is rotatably connected to the top outer wall of the machine body, the outer wall of the meshing tooth one is engagedly connected with the outer wall of the meshing tooth two, an axle plate is fixedly connected to the inner wall of the meshing tooth two, an electric control sliding rail one is fixedly connected to the top outer wall of the axle plate, an electric control sliding rail two is electrically and slidably arranged in the inner wall of the electric control sliding rail one, an electric control sliding rail three is electrically and slidably arranged in the inner wall of the electric control sliding rail two, a visual distance sensor is fixedly connected to one side outer wall of the electric control sliding rail three, a coating spraying head is fixedly installed on the outer wall of the end of the visual distance sensor away from the electric control sliding rail three, a visual industrial camera is fixedly installed on one side outer wall of the coating spraying head, a protective glass cover is fixedly installed on the outer wall of the visual industrial camera, and a self-maintenance device is arranged on the top outer wall of the cutting shear two.

[0008] Preferably, the self-maintenance device comprises a fixing frame, a supporting hinge, an extension frame, a two-way operation motor one, a two-way operation motor two, an extension rod, a connecting hinge, an arc-shaped clamping plate and a maintenance cotton bar, one side outer wall of the fixing frame is fixedly connected with one side outer wall of the cutting shear two, one side outer wall of the supporting hinge is fixedly connected with one side outer wall of the fixing frame, one end outer wall of the extension frame is hingedly connected with one side outer wall of the supporting hinge, one side outer wall of the two-way operation motor one is fixedly connected with one side outer wall of the extension frame away from the supporting hinge, the top outer wall of the two-way operation motor two is fixedly connected with the bottom outer wall of the supporting hinge, the shaft center of the two-way operation motor two is fixedly connected with one end outer wall of the extension frame through the supporting hinge, one side outer wall of the extension rod is fixedly connected with one side outer wall of the shaft rod of the two-way operation motor one, one side outer wall of the connecting hinge is fixedly connected with one side outer wall of the extension rod away from the shaft rod of the two-way operation motor one, one side outer walls of two arc-shaped clamping plates are hingedly connected with one side outer walls of the connecting hinges respectively, the maintenance cotton bar is fixedly clamped by the two arc-shaped clamping plates, and one side outer wall of the maintenance cotton bar is movably attached to the outer wall of the protective glass cover.

[0009] Preferably, the bottom outer wall of the machine body is fixedly connected with a shaft base, and the two side outer walls of the shaft base are rotatably connected with Mecanum wheels.

[0010] Preferably, a central control box is fixedly installed on the outer wall of the machine body, a placing box is formed in one side outer wall of the machine body, and a liquid storage tank is fixedly installed in the placing box.

[0011] Preferably, one side outer wall of the line-of-sight sensor is fixedly connected with a glass cover seat, an inner wall of the glass cover seat is provided with a flow-through groove, a bottom outer wall of the glass cover seat is fixedly connected with a top outer wall of a protective glass cover, and a bottom outer wall of the glass cover seat is fixedly installed with a plurality of overflow nozzles which are distributed in an array and surround an outer ring of the protective glass cover.

[0012] Preferably, a top outer wall of the machine body is fixedly connected with a liquid storage tank, a bottom one side outer wall of the liquid storage tank is provided with an electromagnetic flow valve, a bottom outer wall of the electromagnetic flow valve is fixedly communicated with a flow pipe, one side outer wall of the flow pipe is fixedly connected with one side outer wall of the cutting shear two, an end outer wall of the flow pipe away from the liquid storage tank is provided with an overflow port, and one side outer wall of the glass cover seat is fixedly installed with a clamping sleeve which is communicated with the communication groove and movably adheres to an outer wall of the overflow port.

[0013] Preferably, a top outer wall of the machine body is provided, below the maintenance cotton strip, with a water receiving port, and an inner wall of the water receiving port is fixedly installed with a drain valve pipe which is communicated with an outer wall.

[0014] Preferably, a top outer wall of the supporting hinge is fixedly connected with a blocking rod, one side outer wall of the connecting hinge is fixedly installed with an adjusting baffle, and one side outer wall of the adjusting baffle movably adheres to a top outer wall of the blocking rod.

[0015] Preferably, a top outer wall of the machine body is provided with a mounting box, one side outer wall of the mounting box is fixedly installed with a rotating motor, an axis of the rotating motor is rotatably connected with a connecting shaft rod which penetrates an inner wall of the mounting box, an outer wall of the connecting shaft rod is surrounded with a spare cotton strip, one side outer wall of the machine body is provided with a positioning port which is communicated with an inner wall of the mounting box, and an inner wall of the positioning port movably adheres to an outer wall of the spare cotton strip.

[0016] Preferably, one side outer wall of the fixing frame is fixedly installed with a positioning sliding rail, an inner wall of the positioning sliding rail is electrically controlled to slide with a driving sliding plate, one end outer wall of the driving sliding plate is fixedly installed with the cutting shear one, and one side outer wall of the machine body at the positioning port is fixedly installed with the cutting shear two.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The height adjustment of the paint spraying head is realized by the electric control sliding connection of the electric control sliding rail one, the electric control sliding rail two and the electric control sliding rail three, the slight angle control of the paint spraying head is realized by the folding driving of the sight distance sensor, the multi-direction angle spraying is realized conveniently, the maintenance of the visual camera is realized by the shielding of the protective glass cover, the paint spraying head is prevented from affecting the detection function of the visual camera, when the work time is certain, the paint splashed on the outer wall of the protective glass cover begins to affect the visual camera and causes the detection abnormality, the camera detection failure signal is transmitted to the central control box, the central control box converts the function indication and transmits the signal instruction to the sight distance sensor, the sight distance sensor is moved to the above of the bidirectional operation motor one through the angle adjustment, and the maintenance cotton is driven to rotate on the outer wall of the protective glass cover through the starting of the bidirectional operation motor one, and the paint attached to the outer wall of the protective glass cover is wiped and cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the present application.

[0020] Figure 2 It is a right upper direction overall structure schematic diagram of the present application.

[0021] Figure 3 It is a right rear direction overall structure schematic diagram of the present application. Figure 2 It is a structure enlarged schematic diagram of the A place in the figure.

[0022] Figure 4 It is a right rear direction overall structure schematic diagram of the present application.

[0023] Figure 5 It is a front view structural schematic diagram of the present application in the self-maintenance state.

[0024] Figure 6 It is a right upper direction overall structure schematic diagram of the present application in the self-maintenance state.

[0025] Figure 7 It is a structure enlarged schematic diagram of the B place in the figure. Figure 6

[0026] It is a internal structure schematic diagram of the installation box in the present application. Figure 8

[0027] It is a structure enlarged schematic diagram of the C place in the figure. Figure 9 Figure 8 It is a internal structure front view schematic diagram of the installation box in the present application.

[0028] Figure 10 It is a structure enlarged schematic diagram of the D place in the figure.

[0029] Figure 11 Figure 10

[0030] ​​​In the figure: 1, the body; 2, cutting shear two; 3, drive motor; 4, meshing tooth one; 5, meshing tooth two; 6, shaft plate; 7, electric control slide rail one; 8, electric control slide rail two; 9, electric control slide rail three; 10, sight distance sensor; 11, paint spray head; 12, protective glass cover; 13, ranging probe; 14, connecting shaft base; 15, Mecanum wheel; 16, central control box; 17, placing box; 18, fixing frame; 19, bearing hinge; 20, extension frame; 21, two-way running motor one; 22, two-way running motor two; 23, extension rod; 24, connecting hinge; 25, adjusting baffle; 26, baffle rod; 27, arc-shaped clamping plate; 28, maintenance cotton bar; 29, glass cover seat; 30, overflow spray head; 31, clamping sleeve; 32, liquid storage tank; 33, electromagnetic flow valve; 34, flow pipe; 35, overflow port; 36, water inlet; 37, drain valve pipe; 38, mounting box; 39, spare cotton bar; 40, connecting shaft rod; 41, rotating motor; 42, positioning port; 43, positioning slide rail; 44, driving slide plate; 45, cutting shear one. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme of the present application clear, complete description, and the advantages are more clear and obvious, the following will be further described in detail with the embodiments of the present application combined with the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present application, not all embodiments, only to explain the embodiments of the present application, and not for the purpose of limiting the embodiments of the present application, all other embodiments obtained by the ordinary skill in the art without doing creative work, belong to the scope of protection of the present application.

[0032] Example one, please refer to Figures 1 to 11The application provides a technical scheme: a self-maintaining interior wall coating automatic spraying equipment, which comprises a machine body 1, characterized in that: one side outer wall of the machine body 1 is fixedly connected with a driving motor 3, the axis of the driving motor 3 is fixedly connected with meshing teeth one 4, the top outer wall of the machine body 1 is rotatably connected with meshing teeth two 5, the outer wall of the meshing teeth one 4 is meshingly connected with the outer wall of the meshing teeth two 5, the inner wall of the meshing teeth two 5 is fixedly connected with a shaft plate 6, the top outer wall of the shaft plate 6 is fixedly connected with an electric control sliding rail one 7, the inner wall of the electric control sliding rail one 7 is electrically and controllably slidably connected with an electric control sliding rail two 8, the inner wall of the electric control sliding rail two 8 is electrically and controllably slidably connected with an electric control sliding rail three 9, one side outer wall of the electric control sliding rail three 9 is fixedly connected with a line-of-sight sensor 10, the outer wall of the end of the line-of-sight sensor 10 away from the electric control sliding rail three 9 is fixedly connected with a coating spraying head 11, one side outer wall of the coating spraying head 11 is fixedly connected with three visual industrial cameras, the outer wall of the three visual industrial cameras is fixedly connected with a protective glass cover 12, the top outer wall of the cutting shear two 2 is provided with a self-maintenance device, the self-maintenance device comprises a fixing frame 18, a supporting hinge 19, an extension frame 20, a bidirectional operation motor one 21, a bidirectional operation motor two 22, an extension rod 23, a connecting hinge 24, an arc-shaped clamping plate 27 and a maintenance cotton strip 28, one side outer wall of the fixing frame 18 is fixedly connected with one side outer wall of the cutting shear two 2, one side outer wall of the supporting hinge 19 is fixedly connected with one side outer wall of the fixing frame 18, one end outer wall of the extension frame 20 is hingedly connected with one side outer wall of the supporting hinge 19, one side outer wall of the bidirectional operation motor one 21 is fixedly connected with one side outer wall of the extension frame 20 away from the supporting hinge 19, the top outer wall of the bidirectional operation motor two 22 is fixedly connected with the bottom outer wall of the supporting hinge 19, the axis of the bidirectional operation motor two 22 is fixedly connected with one end outer wall of the extension frame 20 through the supporting hinge 19, one side outer wall of the extension rod 23 is fixedly connected with one side outer wall of the shaft rod of the bidirectional operation motor one 21, one side outer wall of the connecting hinge 24 is fixedly connected with one side outer wall of the extension rod 23 away from the shaft rod of the bidirectional operation motor one 21, one side outer walls of two arc-shaped clamping plates 27 are respectively hingedly connected with one side outer walls of the connecting hinge 24, the maintenance cotton strip 28 is fixedly clamped by the two arc-shaped clamping plates 27, one side outer wall of the maintenance cotton strip 28 is movably attached to the outer wall of the protective glass cover 12, the outer wall of the machine body 1 is fixedly connected with a central control box 16, one side outer wall of the machine body 1 is provided with a placing box 17, and the inside of the placing box 17 is fixedly connected with a liquid storage tank.

[0033] The height adjustment of the paint spraying head 11 is realized by the electric control sliding connection of the electric control sliding rail one 7, the electric control sliding rail two 8 and the electric control sliding rail three 9, the slight angle control of the paint spraying head 11 is realized by the folding driving of the sight distance sensor 10, the multi-direction angle spraying is conveniently realized, the maintenance of the visual camera is realized by the shielding of the protective glass cover 12, the paint spraying head 11 is prevented from affecting the detection function of the visual camera, when the protective glass cover 12 is splashed by the paint after working for a certain time, the detection of the camera fails and the signal is transmitted to the central control box 16, the central control box 16 converts the function indication and adjusts the sight distance sensor 10 through the signal instruction, the sight distance sensor 10 is moved to the top of the bidirectional operation motor one 21 through the angle adjustment, at this time, the protective glass cover 12 is rotated on the outer wall of the protective glass cover 12 by starting the bidirectional operation motor one 21 to drive the maintenance cotton bar 28, and the paint attached to the outer wall of the protective glass cover 12 is wiped and cleaned.

[0034] In the embodiment two, on the basis of the embodiment one, the bottom outer wall of the machine body 1 is fixedly connected with the connecting shaft base 14, and the outer walls on the two sides of the connecting shaft base 14 are rotatably connected with the Mecanum wheels 15.

[0035] In the embodiment, the 15 is a kind of all-directional mobile omni-directional wheel, the wheel can move in multiple directions, including forward, backward, left and right translation and oblique movement, even can realize U-turn in place, through its special design, including forward, backward, left and right translation and oblique movement, even can realize U-turn in place. The core of the Mecanum wheel lies in the hub and the roller design around the hub, the axis of the roller is at 45 degrees with the hub axis, which makes the wheel can produce lateral slip effect when rotating. The movement flexibility of the wheel makes it perform well in occasions requiring high flexibility.

[0036] In the embodiment three, on the basis of the embodiment one, the outer wall on one side of the sight distance sensor 10 is fixedly connected with the glass cover seat 29, the inner wall of the glass cover seat 29 is provided with a flow channel, the bottom outer wall of the glass cover seat 29 is fixedly connected with the top outer wall of the protective glass cover 12, the bottom outer wall of the glass cover seat 29 is fixedly installed with a plurality of overflow nozzles 30, the plurality of overflow nozzles 30 are distributed in an array around the outer circle of the protective glass cover 12, the top outer wall of the machine body 1 is fixedly connected with the liquid storage tank 32, the bottom outer wall of the liquid storage tank 32 is provided with an electromagnetic flow valve 33, the bottom outer wall of the electromagnetic flow valve 33 is fixedly connected with the flow pipe 34, the outer wall on one side of the flow pipe 34 is fixedly connected with the outer wall on one side of the cutting shear two 2, the outer wall away from the liquid storage tank 32 of the flow pipe 34 is provided with an overflow port 35, the outer wall on one side of the glass cover seat 29 is fixedly installed with a clamping sleeve 31 connected with the communication groove, the inner wall of the clamping sleeve 31 is movably attached to the outer wall of the overflow port 35, the top outer wall of the machine body 1 is provided with a water inlet 36 below the maintenance cotton bar 28, the inner wall of the water inlet 36 is fixedly installed with a drain valve pipe 37 connected with the outer wall.

[0037] When the protective glass cover 12 is lowered to the top of the bidirectional operation motor 21, the clamping sleeve 31 is also clamped with the inner cavity of the overflow port 35, the liquid storage tank 32 is loaded with cleaning agent water, the electromagnetic flow valve 33 is opened through electric control, at this time, the agent flows from the flow pipe 34, flows through the overflow port 35 and the clamping sleeve 31 to the flow groove of the glass cover seat 29, and multiple overflow nozzles 30 overflow to the outer wall of the protective glass cover 12, so as to soften the paint attached to the outer wall of the protective glass cover 12, and facilitate the cleaning and wiping of the maintenance cotton strip 28.

[0038] In example four, on the basis of example three, the top outer wall of the bearing hinge 19 is fixedly connected with a blocking rod 26, one side outer wall of the connecting hinge 24 is fixedly installed with an adjusting baffle 25, one side outer wall of the adjusting baffle 25 is movably attached to the top outer wall of the blocking rod 26, the top outer wall of the machine body 1 is provided with an installation box 38, one side outer wall of the installation box 38 is fixedly installed with a rotating motor 41, the axis of the rotating motor 41 is rotatably connected with a connecting shaft 40 penetrating through the inner wall of the installation box 38, the outer wall of the connecting shaft 40 is surrounded by a spare cotton strip 39, one side outer wall of the machine body 1 is provided with a positioning opening 42 communicating with the inner wall of the installation box 38, the inner wall of the positioning opening 42 is movably attached to the outer wall of the spare cotton strip 39, one side outer wall of the fixed frame 18 is fixedly installed with a positioning sliding rail 43, the inner wall of the positioning sliding rail 43 is slidably provided with a driving sliding plate 44, one end outer wall of the driving sliding plate 44 is fixedly installed with a cutting shear one 45, and one side outer wall of the machine body 1 located at the positioning opening 42 is fixedly installed with a cutting shear two 46.

[0039] In the present application, the maintenance cotton strip 28 may gradually decrease in cleaning effect during long-term cleaning work, and needs to be replaced in time, the bidirectional operation motor two 22 is started to drive the extension frame 20 to rotate half a circle, so that the bottom outer wall of the maintenance cotton strip 28 is attached to the position of the positioning opening 42, at this time, the bidirectional operation motor one 21 is started to rotate slightly, the adjusting baffle 25 is driven to open the arc-shaped clamping plate 27 slightly, so as to loosen the maintenance cotton strip 28, at this time, the rotating motor 41 is started, the connecting shaft 40 is rotated to drive the spare cotton strip 39 to move out of the positioning opening 42 along the slot of the arc-shaped clamping plate 27, and the maintenance cotton strip 28 is lifted, after a fixed distance, the positioning sliding rail 43 is started to drive the driving sliding plate 44 and the cutting shear one 45 to displace, the cutting shear one 45 and 46 are used for cutting, and the spare cotton strip 39 is cut, so as to replace the new one, so as to protect the cleaning effect of the protective glass cover 12.

[0040] The working principle and use process of the present application: in the present application, the height adjustment of the paint spray head 11 is realized by the electric control sliding connection of the electric control sliding rail 7, the electric control sliding rail 8 and the electric control sliding rail 9, the slight angle control of the paint spray head 11 is realized by the folding of the driving sight distance sensor 10, the multi-directional angle spraying is conveniently realized, the maintenance of the visual camera is realized by the shielding of the protective glass cover 12, the paint spray head 11 is prevented from affecting the detection function of the visual camera during spraying, when the protective glass cover 12 is splashed by the paint after working for a certain period of time, the detection of the visual camera is abnormally affected, the camera detection failure signal is transmitted to the central control box 16, the central control box 16 converts the function indication and transmits the signal instruction to the sight distance sensor 10, the sight distance sensor 10 is moved to the above of the bidirectional operation motor 21 through the angle adjustment, at this time, the bidirectional operation motor 21 is started to drive the maintenance cotton strip 28 to rotate on the outer wall of the protective glass cover 12, and the paint attached to the outer wall of the protective glass cover 12 is wiped and cleaned, in the present application, 15 is a kind of omni-directional wheel, the wheel can move in multiple directions, including forward, backward, left and right translation and oblique movement, even can realize U-turn. The core of the Mecanum wheel is the hub and the roller around the hub, the axis of the roller is at a 45-degree angle with the hub axis, which makes the wheel produce lateral slip effect when rotating. The movement flexibility of the wheel makes it perform well in occasions requiring high flexibility, in the present application, when the protective glass cover 12 is lowered to the above of the bidirectional operation motor 21, the clamping sleeve 31 will also be clamped with the inner cavity of the overflow port 35, the liquid tank 32 is loaded with cleaning agent water, the electromagnetic flow valve 33 is opened through electric control, at this time, the agent flows from the flow pipe 34, through the overflow port 35 and the clamping sleeve 31 to the flow groove of the glass cover seat 29, there are multiple overflow nozzles 30 to overflow to the outer wall of the protective glass cover 12, so as to soften the paint attached to the outer wall of the protective glass cover 12, and the maintenance cotton strip 28 is conveniently cleaned, in the present application, the cleaning effect may gradually decrease during long-term cleaning work, and the maintenance cotton strip 28 needs to be replaced in time, in the present application, the bidirectional operation motor 22 is started to drive the extension frame 20 to rotate half a circle, which makes the bottom outer wall of the maintenance cotton strip 28 match with the position of the positioning port 42, at this time, the bidirectional operation motor 21 is started to rotate slightly, which makes the baffle 25 driven by pressure, the arc-shaped clamping plate 27 is slightly opened, and the effect of loosening the maintenance cotton strip 28 is achieved, at this time, the rotating motor 41 is started, the connecting shaft 40 is rotated to drive the standby cotton strip 39 to move out of the positioning port 42 along the slot of the arc-shaped clamping plate 27, and the maintenance cotton strip 28 is lifted to a fixed distance, then the positioning slide rail 43 is started, the driving slide plate 44 and the cutting shear 45 are displaced, the standby cotton strip 39 is cut by the cutting shears 45 and 46, so as to replace the new one, so as to ensure the cleaning effect of the protective glass cover 12.

[0041] While embodiments of the application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since numerous changes, modifications, substitutions and variations can be made thereto without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A self-maintaining automatic interior wall paint spraying device, comprising a body (1), characterized in that: A drive motor (3) is fixedly connected to one side of the outer wall of the body (1). A meshing tooth (4) is fixedly connected to the shaft of the drive motor (3). A meshing tooth (5) is rotatably connected to the top outer wall of the body (1). The outer walls of the meshing tooth (4) and the outer walls of the meshing tooth (5) mesh together. A shaft plate (6) is fixedly connected to the inner wall of the meshing tooth (5). An electrically controlled slide rail (7) is fixedly connected to the top outer wall of the shaft plate (6). An electrically controlled slide rail (8) is electrically slidable on the inner wall of the electrically controlled slide rail (7). The inner wall of the electric sliding rail 2 (8) is electrically controlled to slide the electric sliding rail 3 (9). A distance sensor (10) is fixedly connected to one side of the outer wall of the electric sliding rail 3 (9). A paint nozzle (11) is fixedly installed on the outer wall of the end of the distance sensor (10) away from the electric sliding rail 3 (9). A 3D vision industrial camera is fixedly installed on one side of the outer wall of the paint nozzle (11). A protective glass cover (12) is fixedly installed on the outer wall of the 3D vision industrial camera. A self-maintenance device is provided on the top outer wall of the cutting shear 2 (2).

2. The self-maintaining automatic interior wall coating spraying equipment according to claim 1, characterized in that: The self-maintenance device includes a fixed frame (18), a supporting hinge (19), an extension frame (20), a bidirectional motor (21), a bidirectional motor (22), an extension rod (23), a connecting hinge (24), an arc-shaped clamp (27), and a maintenance cotton strip (28). One side of the outer wall of the fixed frame (18) is fixedly connected to one side of the outer wall of the cutting shears (2). One side of the outer wall of the supporting hinge (19) is fixedly connected to one side of the outer wall of the fixed frame (18). One end of the outer wall of the extension frame (20) is hinged to one side of the outer wall of the supporting hinge (19). One side of the outer wall (1) of the bidirectional motor (21) is fixedly connected to the outer wall of the extension frame (20) away from the supporting hinge (19). The bidirectional motor (22) The top outer wall of the bidirectional motor (22) is fixedly connected to the bottom outer wall of the supporting hinge (19). The shaft of the bidirectional motor (22) is fixedly connected to one end of the outer wall of the extension frame (20) through the supporting hinge (19). One side of the outer wall of the extension rod (23) is fixedly connected to one side of the outer wall of the shaft of the bidirectional motor (21). One side of the outer wall of the connecting hinge (24) is fixedly connected to the side of the extension rod (23) away from the shaft of the bidirectional motor (21). One side of the outer wall of the two arc-shaped clamps (27) is respectively hinged to one side of the outer wall of the connecting hinge (24). The maintenance cotton strip (28) is fixedly clamped by the two arc-shaped clamps (27). One side of the outer wall of the maintenance cotton strip (28) is movably attached to the outer wall of the protective glass cover (12).

3. The self-maintaining automatic interior wall coating spraying equipment according to claim 1, characterized in that: The bottom outer wall of the body (1) is fixedly connected to a coupling base (14), and the two outer walls of the coupling base (14) are rotatably connected to Mecanum wheels (15).

4. The self-maintaining automatic interior wall coating spraying equipment according to claim 3, characterized in that: A central control box (16) is fixedly installed on the outer wall of the machine body (1), and a placement box (17) is opened on one side of the outer wall of the machine body (1). A liquid storage tank is fixedly installed inside the placement box (17).

5. The self-maintaining automatic interior wall coating spraying equipment according to claim 2, characterized in that: A glass cover (29) is fixedly connected to one side of the outer wall of the line-of-sight sensor (10). A flow groove is provided on the inner wall of the glass cover (29). The bottom outer wall of the glass cover (29) is fixedly connected to the top outer wall of the protective glass cover (12). Multiple overflow nozzles (30) are fixedly installed on the bottom outer wall of the glass cover (29). The multiple overflow nozzles (30) are arranged in an array around the outer ring of the protective glass cover (12).

6. The self-maintaining automatic interior wall coating spraying equipment according to claim 5, characterized in that: A liquid storage tank (32) is fixedly connected to the top outer wall of the body (1). An electromagnetic flow valve (33) is provided on one side of the bottom outer wall of the liquid storage tank (32). A flow pipe (34) is fixedly connected to the bottom outer wall of the electromagnetic flow valve (33). One side of the outer wall of the flow pipe (34) is fixedly connected to one side of the outer wall of the cutting shear (2). An overflow port (35) is provided on the outer wall of the end of the flow pipe (34) away from the liquid storage tank (32). A locking sleeve (31) connected to the connecting groove is fixedly installed on one side of the outer wall of the glass cover (29). The inner wall of the locking sleeve (31) is movably fitted to the outer wall of the overflow port (35).

7. The self-maintaining automatic interior wall coating spraying equipment according to claim 6, characterized in that: The top outer wall of the body (1) is provided with a water inlet (36) below the maintenance cotton strip (28), and a drain valve pipe (37) connected to the outer wall is fixedly installed on the inner wall of the water inlet (36).

8. The self-maintaining automatic interior wall coating spraying equipment according to claim 7, characterized in that: A stop bar (26) is fixedly connected to the top outer wall of the supporting hinge (19), and an adjusting baffle (25) is fixedly installed on one side outer wall of the connecting hinge (24). The one side outer wall of the adjusting baffle (25) is movably fitted with the top outer wall of the stop bar (26).

9. The self-maintaining automatic interior wall coating spraying equipment according to claim 2, characterized in that: The top outer wall of the body (1) is provided with an installation box (38). A rotating motor (41) is fixedly installed on one side of the outer wall of the installation box (38). The shaft of the rotating motor (41) passes through the inner wall of the installation box (38) and is rotatably connected to a connecting shaft (40). A spare cotton strip (39) is connected around the outer wall of the connecting shaft (40). A positioning port (42) communicating with the inner wall of the installation box (38) is provided on one side of the outer wall of the body (1). The inner wall of the positioning port (42) is movably fitted with the outer wall of the spare cotton strip (39).

10. The self-maintaining automatic interior wall coating spraying equipment according to claim 9, characterized in that: A positioning slide rail (43) is fixedly installed on one side of the outer wall of the fixed frame (18), and a drive slide plate (44) is electrically slidable on the inner wall of the positioning slide rail (43). A cutting shear one (45) is fixedly installed on one end of the outer wall of the drive slide plate (44), and a cutting shear two (2) is fixedly installed on the outer wall of the body (1) located at the positioning port (42).

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