Gypsum board paint spraying apparatus

Abstract

The application relates to a gypsum board paint spraying device for spraying paint on the peripheral exposed surface of a gypsum board, which comprises a general control terminal, a paint spraying device and a gypsum board shape detection assembly. The paint spraying device comprises a mounting frame and a spraying mechanism arranged on the mounting frame. The spraying mechanism comprises a spray gun and a driving part connected with the spray gun, and the driving part is used for driving the spray gun to move. The gypsum board shape detection assembly is arranged on the mounting frame and is used for acquiring the size information of the gypsum board. The general control terminal is used for generating the movement track of the spray gun according to the size information of the gypsum board acquired by the gypsum board shape detection assembly, and controlling the paint spraying device to act according to the movement track of the spray gun. In the application, the general control terminal generates the movement track of the spray gun according to the size information of the gypsum board acquired by the gypsum board shape detection assembly, and controls the paint spraying device to act according to the movement track of the spray gun, so that the spraying path can be automatically adjusted when different specifications of gypsum boards are sprayed, and the paint spraying automation is realized.

Description

Technical Field

[0001] This application relates to the field of gypsum board production technology, and in particular to a gypsum board spray painting equipment. Background Technology

[0002] Gypsum board is a common building decoration material. Due to its light weight, ease of construction, and good fire resistance, it is widely used in building partitions, ceilings, etc.

[0003] Currently, after the gypsum board is cut, the cut surface exposes the gypsum core, resulting in powdering and flaking, which reduces the quality of the gypsum board. Summary of the Invention

[0004] To overcome the problems existing in the related technologies, this application provides a gypsum board spray painting device.

[0005] According to an embodiment of this application, a gypsum board spraying device is provided. The gypsum board spraying device is used to spray paint the exposed gypsum core around the perimeter of the gypsum board. The spraying device includes a central control unit, a spraying device, a conveying device, and a gypsum board shape detection component.

[0006] The conveying device is used to feed the plasterboard to be painted into the painting device, and to remove the plasterboard after painting from the painting device.

[0007] The painting device includes a mounting frame and a spraying mechanism disposed on the mounting frame. The spraying mechanism includes a spray gun and a drive component connected to the spray gun. The drive component is used to drive the spray gun to move. The spray gun is used to spray paint on the exposed surface of the periphery of the gypsum board.

[0008] The gypsum board shape detection component is mounted on the mounting frame and is used to obtain the size information of the gypsum board;

[0009] The central control unit is signal-connected to both the gypsum board shape detection component and the spraying device. It is used to generate the motion trajectory of the spray gun based on the size information of the gypsum board obtained by the gypsum board shape detection component, and to control the operation of the spraying device based on the motion trajectory of the spray gun.

[0010] Optionally, the driving component includes a moving component and a rotating component connected to the moving component;

[0011] The moving component is used to drive the rotating component to move, and the rotating component is connected to the spray gun to drive the spray gun to rotate;

[0012] The moving component includes an X-axis translation structure and a Y-axis translation structure connected to the X-axis translation structure, and the X-axis translation structure is connected to the mounting frame.

[0013] The X-axis translation structure is used to drive the Y-axis translation structure to translate in the X-axis direction;

[0014] The Y-axis translation structure is used to drive the rotating assembly and the spray gun on it to translate in the Y-axis direction;

[0015] Wherein, the X-axis and the Y-axis are located in a horizontal plane, and there is an angle between the X-axis and the Y-axis;

[0016] The rotating component includes:

[0017] The Z-axis rotating structure is used to drive the spray gun to rotate around the Z-axis;

[0018] The Z-axis extends in the vertical direction.

[0019] Optionally, the moving component further includes:

[0020] The Z-axis translation structure is connected to the Y-axis translation structure, and the Z-axis translation structure is used to drive the spray gun to translate in the Z-axis direction.

[0021] Optionally, the X-axis translation structure includes a first drive motor and a first lead screw connected to the first drive motor. The first lead screw extends along the X-axis direction and is used to convert the torque output by the first drive motor into linear motion of the spray gun in the X-axis direction.

[0022] The Y-axis translation structure includes a second drive motor and a second lead screw connected to the second drive motor. The second lead screw extends along the Y-axis direction and is used to convert the torque output by the second drive motor into linear motion of the spray gun in the Y-axis direction.

[0023] The Z-axis translation structure includes a third drive motor and a third lead screw connected to the third drive motor. The third lead screw extends along the Z-axis direction and is used to convert the torque output by the third drive motor into linear motion of the spray gun in the Z-axis direction.

[0024] The Z-axis rotation structure includes a fourth drive motor and a transmission rod connected to the fourth drive motor. The transmission rod extends along the Z-axis and is used to transmit the torque output by the third drive motor to the spray gun, so as to drive the spray gun to rotate around the Z-axis.

[0025] Optionally, the rotating assembly further includes:

[0026] An A-axis rotating structure is provided on the Z-axis rotating structure. The spray gun is connected to the A-axis rotating structure and is used to drive the spray gun to rotate around the A-axis.

[0027] The A-axis is perpendicular to the Z-axis, and the nozzle of the spray gun faces the plane perpendicular to the A-axis.

[0028] Optionally, the gypsum board shape detection component includes:

[0029] A first detection element, mounted on the mounting bracket, is used to identify the height information of the gypsum board; and / or,

[0030] A second detection element, mounted on the mounting bracket, is used to identify the width information of the gypsum board; and / or,

[0031] The third detection element, installed on the mounting bracket, is used to identify the position information of the gypsum board in order to locate the gypsum board.

[0032] Optionally, the mounting bracket includes:

[0033] A first beam and a second beam extend along the conveying direction of the conveying device and are arranged side by side at intervals;

[0034] Two n-shaped frames are arranged at intervals along the conveying direction of the conveying device. Each n-shaped frame includes an upper crossbeam and vertical beams connected to both ends of the upper crossbeam. The two vertical beams of the n-shaped frame are connected to the first beam and the second beam, respectively.

[0035] The first detection element is disposed on the upper crossbeam of the n-shaped frame located upstream of the conveying direction;

[0036] The second detection element is disposed on the vertical beam of the n-shaped frame located upstream of the conveying direction;

[0037] The third detection element is disposed on the first beam and / or the second beam.

[0038] Optionally, when the detection state of the first detection element and / or the second detection element changes from not detecting gypsum board to detecting gypsum board, the central control terminal starts timing, and when the detection state of the first detection element and / or the second detection element changes from detecting gypsum board to not detecting gypsum board, the central control terminal stops timing, and determines the length of the gypsum board based on the timing time and the conveying speed of the conveying device; or,

[0039] When the third detection element detects that a gypsum board has entered its detection area, the central control terminal starts timing. When the third detection element detects that the gypsum board has left its monitoring area, the central control terminal stops timing and determines the length of the gypsum board based on the timing and the conveying speed of the conveying device.

[0040] Optionally, when the detection state of the first detection element and / or the second detection element changes from detecting plasterboard to not detecting plasterboard, the central control terminal starts timing, and controls the conveying device to stop conveying when the timing duration reaches a preset duration; or,

[0041] Two third detection elements are arranged at intervals along the conveying direction of the conveying device. When the tail end of the gypsum board is detected to be between the two third detection elements, the main control terminal controls the conveying device to stop conveying.

[0042] Optionally, the central control terminal determines the number of reciprocating strokes of the spray gun on each side and the vertical displacement between the reciprocating strokes based on the height information of the gypsum board.

[0043] The central control unit determines the displacement of the spray gun on one side of the width direction for each movement based on the width information of the gypsum board.

[0044] The central control unit determines the displacement of the spray gun on one side of the length direction for each movement based on the length information of the gypsum board.

[0045] The technical solutions provided by the embodiments of this application may include the following beneficial effects: In this application, the central control terminal generates the motion trajectory of the spray gun based on the gypsum board size information obtained by the gypsum board shape detection component, and controls the action of the spraying device according to the motion trajectory of the spray gun, thereby realizing automatic adjustment of the spraying path when spraying gypsum boards of different specifications, and realizing the automation of spraying.

[0046] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0047] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0048] Figure 1 This is a schematic diagram of the structure of a gypsum board spraying equipment according to an exemplary embodiment.

[0049] Figure 2 This is a schematic diagram of the structure of a gypsum board spraying equipment according to an exemplary embodiment.

[0050] Figure 3 This is a schematic diagram of the structure of a gypsum board spraying equipment according to an exemplary embodiment.

[0051] Figure 4 This is a schematic diagram of the structure of a gypsum board spraying equipment according to an exemplary embodiment. Detailed Implementation

[0052] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0053] Gypsum board is a common building decoration material. Due to its light weight, ease of construction, and good fire resistance, it is widely used in building partitions, ceilings, etc.

[0054] Currently, after the gypsum board is cut, the cut surface exposes the gypsum core, resulting in powdering and flaking, which reduces the quality of the gypsum board.

[0055] To address the aforementioned problems, this application proposes a gypsum board spraying device for spraying paint on the exposed gypsum core of a gypsum board. The spraying device includes a central control unit, a spraying unit, a conveying unit, and a gypsum board shape detection component. The conveying unit is used to feed the gypsum board to be sprayed into the spraying unit and to remove the sprayed gypsum board from the spraying unit. The spraying unit includes a mounting frame and a spraying mechanism mounted on the mounting frame. The spraying mechanism includes a spray gun and a drive component connected to the spray gun. The drive component is used to drive the spray gun to move, and the spray gun is used to spray paint on the exposed surface of the gypsum board. The gypsum board shape detection component is mounted on the mounting frame and is used to acquire the dimensional information of the gypsum board. The central control unit is signal-connected to both the gypsum board shape detection component and the spraying unit, and is used to generate the movement trajectory of the spray gun based on the dimensional information of the gypsum board acquired by the gypsum board shape detection component, and to control the operation of the spraying unit based on the movement trajectory of the spray gun. This application uses a gypsum board shape detection component to detect the size of the gypsum board and upload the size information to the main control terminal. The main control terminal generates the motion trajectory of the spray gun based on the gypsum board size information and controls the action of the spraying device according to the motion trajectory of the spray gun. This realizes automatic adjustment of the spraying path when spraying gypsum boards of different specifications, thus achieving automated spraying.

[0056] According to an exemplary embodiment, such as Figure 1 and Figure 2As shown, this embodiment provides a gypsum board spraying equipment for spraying paint on the exposed gypsum core around the gypsum board. The spraying equipment includes a main control terminal (not shown), a spraying device 1, a conveying device 2, and a gypsum board shape detection component (not shown). The conveying device 2 is used to feed the gypsum board 4 to be painted into the painting device 1 and to remove the painted gypsum board from the painting device 1. The painting device 1 includes a mounting frame 12 and a spraying mechanism 11 mounted on the mounting frame 12. The spraying mechanism 11 includes a spray gun 112 and a driving component 111 connected to the spray gun 112. The driving component 111 is used to drive the spray gun 112 to move. The spray gun 112 is used to spray paint on the exposed surface of the periphery of the gypsum board. The gypsum board shape detection component is mounted on the mounting frame 12 and is used to acquire the size information of the gypsum board. The main control terminal is signal-connected to both the gypsum board shape detection component and the painting device 1. It is used to generate the movement trajectory of the spray gun 112 based on the size information of the gypsum board acquired by the gypsum board shape detection component and to control the action of the painting device 1 based on the movement trajectory of the spray gun 112. In this application, the central control unit generates the motion trajectory of the spray gun 112 based on the gypsum board size information obtained by the gypsum board shape detection component, and controls the action of the painting device 1 according to the motion trajectory of the spray gun 112, thereby realizing automatic adjustment of the spraying path when painting gypsum boards of different specifications, and realizing the automation of painting.

[0057] In this embodiment, refer to Figure 1 and Figure 2 The conveying direction of conveying device 2 is from right to left. Figure 1 The gypsum board is conveyed in the X direction (as shown in the diagram). Figure 1 As shown, the feeding device places the gypsum board 4 on the right end of the conveying device 2 to complete the feeding. The feeding device can be, for example, a gantry crane, a forklift, etc. After the feeding is completed, the staff starts the conveying device 2 through the central control terminal, or a pressure sensor is set on the conveying device 2. When the pressure sensor detects sufficient pressure, it sends a signal to the central control terminal, which then controls the start of the conveying device 2.

[0058] Reference Figure 1 and Figure 2 After receiving the start signal, the conveyor 2 moves the plasterboard 4 placed above it to the left. During the process of the conveyor 2 transporting the plasterboard into the spray painting device 1, the plasterboard shape detection component installed in the spray painting device 1 detects the shape of the plasterboard, generates its size information, and sends this information to the central control unit in real time. The central control unit generates the movement trajectory of the spray gun 112 of the spray painting device 1 based on the received plasterboard size information. The plasterboard size information includes length information (along...). Figure 1 The X direction and height information shown (along the X direction) are shown. Figure 1 The Z-direction shown) and width information (along the direction perpendicular to) Figure 1(The directions of the X and Z directions shown in the diagram).

[0059] Reference Figure 1 and Figure 2 When the central control unit detects that the gypsum board has reached the preset position of the spray painting device 1, it controls the conveyor device 2 to stop moving and controls the spraying mechanism 11 of the spray painting device 1 to operate according to the generated motion trajectory of the spray gun 112. This causes the spray gun 112 to move according to the generated motion trajectory to complete the spraying of the gypsum board. After the central control unit detects that the spray gun 112 of the spray painting device 1 has completed its motion trajectory, it controls the conveyor device 2 to start, thereby conveying the gypsum board away from the spray painting device 1 for subsequent processes, such as drying the primer on the surface of the gypsum board. Figure 1 and Figure 2 As shown, the painting device 1 includes a mounting frame 12 and a spraying mechanism 11 mounted on the mounting frame 12. The spraying mechanism 11 includes a spray gun 112 and a drive component 111 connected to the spray gun 112. The drive component 111 drives the spray gun 112 to move, thereby causing the spray gun 112 to spray primer onto the exposed periphery of the gypsum board. (Refer to...) Figure 1 and Figure 2 The driving component 111 of the spraying mechanism 11 includes a moving component 1111 and a rotating component 1112 connected to the moving component 1111. The moving component 1111 is used to drive the rotating component 1112 to move. The rotating component 1112 is connected to the spray gun 112 and is used to drive the spray gun 112 to rotate.

[0060] In one embodiment, such as Figure 1 and Figure 2 As shown, the moving component 1111 of the driving component 111 includes an X-axis translation structure 11111 and a Y-axis translation structure 11112. The X-axis translation structure 11111 is mounted on the mounting bracket 12, and the Y-axis translation structure 11112 is mounted on the X-axis translation structure 11111. The Y-axis translation structure 11112 is connected to the spray gun 112. The movement of the X-axis translation structure 11111 drives the Y-axis translation structure 11112 to translate in the X-axis direction. The movement of the Y-axis translation structure 11112 drives the spray gun 112 connected to the Y-axis translation structure 11112 to translate in the Y-axis direction. The X-axis and Y-axis are located in a horizontal plane, and there is an angle between them. For example, the angle between the X-axis and Y-axis is 90°, that is, the X-axis direction is the conveying direction of the plasterboard, and the Y-axis direction is the perpendicular direction of the conveying direction.

[0061] In this embodiment, refer to Figure 1 and Figure 2The X-axis is defined by the conveying direction (longer side) of the gypsum board 4. The X-axis translation structure 11111 is connected to the mounting frame 12, thereby driving the Y-axis translation structure 11112 to translate along the X-axis. Since the length of the gypsum board in the conveying direction is greater than its width during production, the extension of the X-axis translation structure 11111 in the Y-direction is shorter, improving the safety of the device. It is understood that in some possible embodiments, the Y-axis translation structure 11112 can be connected to the mounting frame 12, the X-axis translation structure 11111 can be mounted on the Y-axis translation structure 11112, and the X-axis translation structure 11111 can be connected to the spray gun 112.

[0062] In the above embodiment, multiple spray guns 112 need to be set in the vertical direction so that the perimeter of the gypsum board can be painted using only the X-axis translation structure 11111 and the Y-axis translation structure 11112.

[0063] In one embodiment, the drive component 111 further includes a Z-axis translation structure 11113, wherein the Z-axis extends in the vertical direction. Specifically, as shown... Figure 1 and Figure 2 As shown, the Z-axis translation structure 11113 is connected to the Y-axis translation structure 11112. The Z-axis translation structure 11113 is connected to the spray gun 112. The Z-axis translation structure 11113 is used to drive the spray gun 112 to translate in the Z-axis direction.

[0064] In this embodiment, only one spray gun 112 needs to be set in the vertical direction (Z-axis direction). Through the cooperation of the X-axis, Y-axis and Z-axis, and the movement trajectory of the spray gun 112 generated by the main control terminal, the spray gun 112 can be moved to various positions of the painting operation. The position of the spray gun 112 and the distance between the nozzle and the surface of the gypsum board can be adjusted automatically according to the height of the gypsum board, avoiding waste of primer and environmental pollution, and improving the spraying quality.

[0065] In this embodiment, when the spray gun 112 is used for spraying, the primer sprayed out by the spray gun is triangular fan-shaped when viewed from the side. The model of the spray gun 112 is, for example, the Japanese Iwata series automatic spray gun.

[0066] In one embodiment, such as Figure 1 and Figure 2As shown, the rotating assembly 1112 of the driving component 111 includes a Z-axis rotating structure 11121, which is connected to the Y-axis translation structure 11112. The Z-axis rotating structure 11121 is also connected to the spray gun 112. The Z-axis rotating structure 11121 is used to drive the spray gun 112 to rotate around the Z-axis. Specifically, in the painting operation, after the spray gun 112 has finished spraying one side of the gypsum board, it is necessary to spray the adjacent side. By driving the Z-axis rotating structure 11121, the nozzle of the spray gun 112 can be rotated by a preset angle to spray the other sides of the gypsum board. For example, the preset angle is 90°.

[0067] Among them, reference Figure 2 and Figure 3 The rotating assembly 1112 also includes an A-axis rotating structure 11122, which is connected to the Z-axis rotating structure 11121. The spray gun 112 is mounted on the A-axis rotating structure 11122, which drives the spray gun 112 to rotate around the A-axis. The A-axis is perpendicular to the Z-axis, and the nozzle of the spray gun 112 faces a plane perpendicular to the A-axis. In one example, the A-axis rotating structure 11122 drives the spray gun 112 to rotate around the A-axis by a preset angle, causing the nozzle of the spray gun 112 to face the ground, thereby selectively spraying primer onto the upper surface of certain gypsum boards. The preset angle is, for example, 90°. In another example, after the gypsum board primer is applied, the spray gun 112 is driven to rotate around the A-axis by a preset angle via the A-axis rotation structure 11122, so that the nozzle of the spray gun 112 faces the ground and the spray gun 112 is connected to a clean water storage tank (not shown). The spray gun 112 is driven to move by the drive component 111 to clean the transmission roller of the conveying device 2 (mentioned later). During the cleaning process, the drive motor of the conveying device 2 (mentioned later) drives the transmission roller to rotate to achieve a thorough cleaning of the transmission roller.

[0068] It should be noted that when the moving component 1111 of the drive component 111 is provided with a Z-axis translation structure 11113, the rotating structure needs to be connected to the Y-axis translation structure 11112 through the Z-axis translation structure 11113.

[0069] In one embodiment, the X-axis translation structure 11111 includes a first drive motor (not shown) and a first lead screw (not shown) connected to the first drive motor. The first lead screw extends along the X-axis direction and is used to convert the torque output by the first drive motor into linear motion of the spray gun 112 in the X-axis direction. The Y-axis translation structure 11112 includes a second drive motor (not shown) and a second lead screw (not shown) connected to the second drive motor. The second lead screw extends along the Y-axis direction and is used to convert the torque output by the second drive motor into linear motion of the spray gun 112 in the Y-axis direction. Linear motion; the Z-axis translation structure 11113 includes a third drive motor (not shown) and a third lead screw (not shown) connected to the third drive motor. The third lead screw extends along the Z-axis direction and is used to convert the torque output by the third drive motor into linear motion of the spray gun 112 in the Z-axis direction. The Z-axis rotation structure 11121 includes a fourth drive motor (not shown) and a transmission rod (not shown) connected to the fourth drive motor. The transmission rod extends along the Z-axis direction and is used to transmit the torque output by the third drive motor to the spray gun 112 to drive the spray gun 112 to rotate around the Z-axis. It is understood that the A-axis rotation structure 11122 can be implemented using the same transmission device as the Z-axis rotation structure 11121.

[0070] In this embodiment, the Z-axis translation structure 11113 is provided with a hollow tube arranged vertically in the axial direction so that the transmission rod of the Z-axis rotation structure 11121 can pass through the hollow tube. Specifically, a fourth drive motor is provided at the top of the transmission rod, and an A-axis rotation structure 11122 is provided at the bottom of the transmission rod.

[0071] In some possible embodiments, the X-axis translation structure 11111 and the Y-axis translation structure 11112 can be driven by a cable chain, and the Z-axis translation structure 11113 can be driven by a telescopic cylinder.

[0072] In one embodiment, the mounting frame 12 of the painting device 1 includes: a first beam 121 and a second beam 122 extending along the conveying direction of the conveying device 2 and arranged side-by-side at intervals along the conveying direction of the conveying device 2, and two n-shaped frames 123. Each n-shaped frame 123 includes an upper crossbeam 1231 and vertical beams 1232 respectively connected to both ends of the upper crossbeam 1231. The two vertical beams 1232 of the n-shaped frame 123 are respectively connected to the first beam 121 and the second beam 122. The spraying mechanism 11 of the painting device 1 is disposed on the first beam 121 and the second beam 122. Specifically, the X-axis translation structure 11111 of the spraying mechanism 11 is disposed on the first beam 121 and the second beam 122 to drive the Y-axis translation structure 11112 to move along the conveying direction (X-axis direction) of the conveying device 2.

[0073] The gypsum board shape detection assembly (not shown) includes: a first detection element (not shown), a second detection element (not shown), and a third detection element (not shown) mounted on the mounting bracket 12. The first detection element is used to identify the height information of the gypsum board, the second detection element is used to identify the width information of the gypsum board, and the third detection element is used to identify the position information of the gypsum board to locate the gypsum board.

[0074] like Figure 1 and Figure 2 As shown, the first detection element is installed on the upper crossbeam 1231 of the n-shaped frame 123. When the conveying device 2 conveys the head of the gypsum board to directly below the first detection element, it can detect the height information of the gypsum board. The first detection element can be a distance sensor. The principle of measuring height information is as follows: the height H of the first detection element is stored in the main control terminal, and the distance L between the first detection element and the upper surface of the gypsum board is obtained. Therefore, the height h of the gypsum board is HL. Figure 1 As shown, two second detection elements are provided and are respectively installed on the two vertical beams 1232 of the n-shaped frame 123. When the conveying device 2 conveys the head of the gypsum board between the two second detection elements, it can detect the width information of the gypsum board. The second detection elements can be distance sensors. The principle of measuring the width information is as follows: the distance W between the two second detection elements is stored in the main control terminal. The two second detection elements respectively obtain the distances L1 and L2 between themselves and the side of the gypsum board. Then the width of the gypsum board w = W - L1 - L2.

[0075] When the detection status of the first, second, or third detection element changes from not detecting gypsum board to detecting gypsum board, the main control terminal starts timing. When the detection status of the first, second, or third detection element changes from detecting gypsum board to not detecting gypsum board, the main control terminal stops timing and determines the length of the gypsum board based on the timing time and the conveying speed of the conveying device 2.

[0076] Specifically, when the first, second, or third detection element detects the head information of the gypsum board, it continuously sends an electrical signal to the main control terminal and also sends a start signal to the ranging encoder. The ranging encoder is set on the output shaft of the geared motor 21 and can continuously send pulse signals according to the rotation of the output shaft of the geared motor 21. When the first and second detection elements detect the tail information of the gypsum board, they stop sending electrical signals to the main control terminal and also send a stop signal to the ranging encoder. The main control terminal calculates the length information of the gypsum board based on the duration of the received electrical signal and the number of pulse signals sent by the ranging encoder within that duration.

[0077] In this embodiment, any one of the first detection element, the second detection element, and the third detection element can be set to detect the head and tail information of the gypsum board in order to calculate the length information of the gypsum board. Alternatively, any two elements can be combined or all three elements can be set simultaneously to improve the accuracy of the detection.

[0078] In this embodiment, as Figure 1 As shown, the central control unit stores the coordinates of the reset origin and the spraying waiting point of the spray gun 112. The reset origin is located at the upper left corner of the spraying device, and the spraying waiting point is located at the lower right corner of the spraying device. The central control unit can generate the motion trajectory of the spray gun 112 based on the gypsum board size information obtained by the gypsum board shape detection component. This motion trajectory is determined based on the reset origin coordinates, and its starting point is the spraying start point, located at the lower right corner of the spraying device. By setting the reset origin and the spraying start point on the diagonal of the gypsum board, the spray gun 112 can traverse all spraying trajectories during the reset process, ensuring the operational stability of the spraying mechanism.

[0079] The spraying waiting point is a coordinate point preset by the staff. The distance between the spraying waiting point and the side of the plasterboard is greater than the distance between the spraying starting point and the side of the plasterboard. Before the spraying operation, the spray gun 112 is located at the spraying waiting point. By setting the spraying waiting point close to the spraying starting point, after the movement trajectory of the spray gun is generated at the central control terminal, the spray gun can quickly move from the spraying waiting point to the spraying starting point and perform the spraying operation, which speeds up the start-up speed of the painting operation and improves work efficiency.

[0080] In this embodiment, the central control terminal determines the number of reciprocations of the spray gun 112 on each side and the vertical displacement (Z-axis direction) between reciprocating movements based on the height information of the gypsum board. The central control terminal determines the movement displacement of the spray gun 112 on one side of the width direction based on the width information of the gypsum board. The central control terminal determines the movement displacement of the spray gun 112 on one side of the length direction based on the length information of the gypsum board.

[0081] like Figures 1 to 3As shown, when spraying with the spray gun 112, the primer sprayed out appears as a triangular fan shape when viewed from the side. In one example, when the plasterboard shape detection component obtains the plasterboard size information as a height of 700mm, the main control unit controls the X-axis translation structure 11111 and Y-axis translation structure 11112 of the drive component to move with a small rectangular trajectory so that the spray gun 112 approaches the side of the plasterboard, so that the spray gun 112 moves on each side of the plasterboard and sprays 3 times, that is, the spray width is 700 / 3mm each time. In another example, the gypsum board's dimensions are 800mm in height. The main control unit controls the X-axis translation structure 11111 and Y-axis translation structure 11112 of the drive component 111 to move along a large rectangular trajectory, allowing the spray gun 112 to move away from the side of the gypsum board while still completing the spraying of the side of the gypsum board in three coats. Similarly, when the gypsum board's height is 900mm, the main control unit controls the X-axis translation structure 11111 and Y-axis translation structure 11112 of the drive component 111 to move along an even larger rectangular trajectory, allowing the spray gun 112 to move further away from the side of the gypsum board. In other words, the main control unit controls the movement range threshold of the X-axis translation structure 11111 and Y-axis translation structure 11112 based on the gypsum board's height information, thereby automatically adjusting the number of coats needed for gypsum boards of different sizes, improving spraying efficiency and quality.

[0082] The spraying stroke of the spray gun 112 can be adjusted and controlled according to the specifications of the gypsum board and the number of sprayings required for the exposed parts around the gypsum board. Factors affecting the number of sprayings include ambient temperature and humidity.

[0083] In one embodiment, such as Figure 1 As shown, when the detection status of the first and second detection elements changes from detecting plasterboard to not detecting plasterboard, the central control terminal starts timing. When the timing duration reaches the preset duration, the central control terminal controls the conveying device 2 to stop conveying. The preset duration is, for example, 0.2 seconds, and this duration can be adjusted according to actual needs.

[0084] In one embodiment, such as Figure 1 As shown, two third detection elements are spaced apart along the conveying direction of the conveying device 2. When the tail end of the gypsum board is detected to be between the two third detection elements, the main control terminal controls the conveying device 2 to stop conveying. Specifically, the third detection elements are two photoelectric switches. When the signal emitted by the photoelectric switch is blocked by the gypsum board, a signal is emitted to the main control terminal; when it is not blocked by the gypsum board, no signal is emitted to the main control terminal. Based on the aforementioned principle, the solution of this embodiment will be explained in detail below, referring to... Figure 1Based on the sequential passage of the gypsum board during transport, the two photoelectric switches are defined as the first photoelectric switch and the second photoelectric switch. As the conveying device 2 operates, the first photoelectric switch detects the gypsum board first, followed by the second photoelectric switch (at this point, both photoelectric switches detect the gypsum board). Then, the tail of the gypsum board leaves the first photoelectric switch (only the second photoelectric switch detects the gypsum board). When the main control terminal receives a signal from the second photoelectric switch, i.e., when the tail of the gypsum board is between the first and second photoelectric switches, the main control terminal controls the conveying device 2 to stop transporting the gypsum board and park it at the designated position. In one example, the distance between the first and second photoelectric switches is 4 cm, which can be adjusted according to actual needs.

[0085] In the two embodiments described above for controlling the conveyor device 2 to stop working, either one can be set individually, or the plasterboard can be stopped by setting a preset time. The detection status of the third detection element is used as a verification signal to improve the accuracy of the plasterboard placement.

[0086] In one embodiment, such as Figure 3 As shown, the painting device 1 also includes a paint storage device 13, a spraying solenoid valve 14, and an electromagnetic flow meter 15. Figure 1 As shown, the paint storage device 13 has a stirring function, and at least two are provided. These two paint storage devices 13 can alternately supply primer to the spray gun 112 of the spraying mechanism 11. A spraying solenoid valve 14 and an electromagnetic flow meter 15 are installed on the pipe connecting the paint storage device 13 and the spray gun 112. The electromagnetic flow meter 15 is used to measure the amount of primer supplied to the spray gun 112 by the paint storage device 13, and the spraying solenoid valve 14 is used to control which paint storage device 13 is selected to supply paint to the spray gun 112. In one example, two paint storage devices 13 are provided. Each paint storage device 13 is a 50-liter stainless steel stirring tank, and the tank body is designed with a sealed structure to prevent dust. The total primer storage capacity of the paint storage device 13 is determined by the workload of the front-end equipment (gypsum board cutting equipment). When the front-end equipment is at full production, in order to paint all the cut gypsum boards, two 50-liter capacity paint storage devices 13 can be set up to supply paint to the spray gun 112 of the spraying mechanism 11. Specifically, after the primer of one paint storage device 13 is used up, the spraying solenoid valve 14 connected to it is closed, and the spraying solenoid valve 14 connected to the other paint storage device 13 is opened to switch the other paint storage device 13 to supply paint to the spray gun 112.

[0087] like Figure 4 As shown, the painting equipment 1 also includes an environmental protection device 16, which includes a spray tower 161, a waste gas treatment device 162, and a wastewater recovery device (not shown). (Refer to...) Figure 1 and Figure 4After the spraying mechanism 11 of the spraying device 1 completes the application of primer to the gypsum board, the conveying device 2 moves the gypsum board away from the spraying device 1. The spray tower 161 then starts, spraying cleaning fluid onto the spraying mechanism 11 to remove any primer residue left on it during the spraying process, thus extending the service life of the spraying mechanism 11. (Refer to...) Figure 4 The spray tower 161 sprays cleaning fluid onto the spraying mechanism 11 of the painting device 1. During the cleaning process, the cleaning fluid carries residual primer into the wastewater recovery device of the environmental protection device 16. The wastewater recovery device collects the wastewater and uses it for production on the gypsum board production line. (Refer to...) Figure 4 The waste gas treatment device 162 includes a centrifugal fan 1621, a photo-oxidation activated carbon integrated machine 1622, a filter cotton box 1623, and a demister 1624. The centrifugal fan 1621 drives the airflow, and the photo-oxidation activated carbon integrated machine 1622 and the filter cotton box 1623 can adsorb and filter primer particles and dust in the air. The demister 1624 and activated carbon adsorb moisture, sulfuric acid, sulfur dioxide and other substances in the air, and discharge the purified gas to the outside. The discharged industrial gas meets the air pollution emission standards.

[0088] In this embodiment, as Figure 1 As shown, the gypsum board spraying equipment also includes a drying device 3. The drying device 3 is connected to the spraying device 1 via a conveying device 2. It is used to dry the primer sprayed onto the gypsum board in the spraying device 1, thereby accelerating the adhesion and solidification of the primer. The drying device 3 includes a tunnel oven 31 and two heat-insulating curtains 32, located at the inlet and outlet of the tunnel oven 31 respectively. These curtains isolate the interior and exterior of the tunnel oven 31, improving the temperature stability of the interior space. Figure 1 As shown, a conveying device 2 runs through the inside of the tunnel oven 31. The conveying device 2 can transport the painted gypsum board into the tunnel oven 31 and keep it there for a preset time to dry the primer on the gypsum board.

[0089] The drying temperature and time of the tunnel-type drying oven 31 can be adjusted and set according to the ambient temperature and humidity. The drying temperature is 30℃~100℃ and the drying time is 1~10 minutes. The drying device 3 and the painting device 1 are controlled by an independent power supply (not shown). In some high-temperature and dry environments, the painted gypsum board does not need to be dried.

[0090] like Figure 1 As shown, the drying device 3 also includes multiple circulating fans 33. There are four sets of circulating fans 33. When the four sets of circulating fans 33 work, they drive the hot air inside the tunnel oven 31 to circulate and improve the drying effect.

[0091] Among them, reference Figure 1The drying device 3 is also equipped with a preheating device (not shown). The preheating device includes an infrared temperature measuring element (not shown) and a heating element (not shown) that is connected to the infrared temperature measuring element. The preheating device stores a preset temperature. The infrared temperature measuring element detects the surface temperature of the gypsum board in real time. When the detected temperature is lower than the preset temperature, the infrared temperature measuring element sends a start signal to the heating element. When the infrared temperature measuring element detects that the surface temperature of the gypsum board has reached the preset temperature, it sends a stop signal to the heating element.

[0092] like Figure 1 As shown, the conveying device 2 of the gypsum board spraying equipment connects the spraying device 1 and the drying device 3. The conveying device 2 includes a geared motor 21 and a transmission roller 22. The geared motor 21 outputs torque, which can drive the transmission roller 22 to rotate, thereby driving the gypsum board placed on the transmission roller 22 to move linearly.

[0093] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this application are indicated by the following claims.

[0094] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.

Claims

1. A gypsum board spray painting device for spray painting the exposed peripheral surfaces of the gypsum board, characterized in that, The painting equipment includes a central control unit, a painting device, a conveying device, and a gypsum board shape detection component, wherein... The conveying device is used to feed the plasterboard to be painted into the painting device, and to remove the plasterboard after painting from the painting device. The painting device includes a mounting frame and a spraying mechanism disposed on the mounting frame. The spraying mechanism includes a spray gun and a drive component connected to the spray gun. The drive component is used to drive the spray gun to move. The spray gun is used to spray paint on the exposed surface of the periphery of the gypsum board. The painting device also includes at least two paint storage devices connected to the spraying mechanism for supplying paint to the spraying mechanism, an electromagnetic flow meter installed on the connecting pipe between the paint storage devices and the spraying mechanism for measuring the amount of primer supplied to the spraying mechanism by the paint storage devices, and a spraying solenoid valve for controlling the selection of paint supplied by different paint storage devices. The paint storage devices have a stirring function. The total amount of primer stored in the paint storage devices is determined by the workload of the gypsum board cutting equipment. The gypsum board shape detection component is mounted on the mounting frame and is used to obtain the size information of the gypsum board; The gypsum board shape detection component includes: A first detection element, mounted on the mounting bracket, is used to identify the height information of the gypsum board; and / or, A second detection element, mounted on the mounting bracket, is used to identify the width information of the gypsum board; and / or, The third detection element is installed on the mounting bracket and is used to identify the position information of the gypsum board in order to locate the gypsum board; The central control terminal is signal-connected to both the gypsum board shape detection component and the spraying device. It is used to generate the motion trajectory of the spray gun based on the size information of the gypsum board obtained by the gypsum board shape detection component, and to control the action of the spraying device based on the motion trajectory of the spray gun. When the detection state of the first detection element and / or the second detection element changes from not detecting plasterboard to detecting plasterboard, the central control terminal starts timing, and when the detection state of the first detection element and / or the second detection element changes from detecting plasterboard to not detecting plasterboard, the central control terminal stops timing, and determines the length of the plasterboard based on the timing time and the conveying speed of the conveying device; or, When the third detection element detects that a gypsum board has entered its detection area, the central control terminal starts timing. When the third detection element detects that the gypsum board has left its monitoring area, the central control terminal stops timing and determines the length of the gypsum board based on the timing and the conveying speed of the conveying device.

2. The gypsum board spray painting equipment according to claim 1, characterized in that, The driving component includes a moving component and a rotating component connected to the moving component; The moving component is used to drive the rotating component to move, and the rotating component is connected to the spray gun to drive the spray gun to rotate; The moving component includes an X-axis translation structure and a Y-axis translation structure connected to the X-axis translation structure, and the X-axis translation structure is connected to the mounting frame. The X-axis translation structure is used to drive the Y-axis translation structure to translate in the X-axis direction; The Y-axis translation structure is used to drive the rotating assembly and the spray gun on it to translate in the Y-axis direction; Wherein, the X-axis and the Y-axis are located in a horizontal plane, and there is an angle between the X-axis and the Y-axis; The rotating component includes: The Z-axis rotating structure is used to drive the spray gun to rotate around the Z-axis; The Z-axis extends in the vertical direction.

3. The gypsum board spray painting equipment according to claim 2, characterized in that, The moving component also includes: The Z-axis translation structure is connected to the Y-axis translation structure, and the Z-axis translation structure is used to drive the spray gun to translate in the Z-axis direction.

4. The gypsum board spray painting equipment according to claim 3, characterized in that, The X-axis translation structure includes a first drive motor and a first lead screw connected to the first drive motor. The first lead screw extends along the X-axis direction and is used to convert the torque output by the first drive motor into linear motion of the spray gun in the X-axis direction. The Y-axis translation structure includes a second drive motor and a second lead screw connected to the second drive motor. The second lead screw extends along the Y-axis direction and is used to convert the torque output by the second drive motor into linear motion of the spray gun in the Y-axis direction. The Z-axis translation structure includes a third drive motor and a third lead screw connected to the third drive motor. The third lead screw extends along the Z-axis direction and is used to convert the torque output by the third drive motor into linear motion of the spray gun in the Z-axis direction. The Z-axis rotation structure includes a fourth drive motor and a transmission rod connected to the fourth drive motor. The transmission rod extends along the Z-axis and is used to transmit the torque output by the third drive motor to the spray gun, so as to drive the spray gun to rotate around the Z-axis.

5. The gypsum board spray painting equipment according to claim 2, characterized in that, The rotating assembly also includes: An A-axis rotating structure is provided on the Z-axis rotating structure. The spray gun is connected to the A-axis rotating structure and is used to drive the spray gun to rotate around the A-axis. The A-axis is perpendicular to the Z-axis, and the nozzle of the spray gun faces the plane perpendicular to the A-axis.

6. The gypsum board spraying equipment according to any one of claims 1-4, characterized in that, The mounting bracket includes: A first beam and a second beam extend along the conveying direction of the conveying device and are arranged side by side at intervals; Two n-shaped frames are arranged at intervals along the conveying direction of the conveying device. Each n-shaped frame includes an upper crossbeam and vertical beams connected to both ends of the upper crossbeam. The two vertical beams of the n-shaped frame are connected to the first beam and the second beam, respectively. The first detection element is disposed on the upper crossbeam of the n-shaped frame located upstream of the conveying direction; The second detection element is disposed on the vertical beam of the n-shaped frame located upstream of the conveying direction; The third detection element is disposed on the first beam and / or the second beam.

7. The gypsum board spraying equipment according to any one of claims 1-4, characterized in that, When the detection status of the first detection element and / or the second detection element changes from detecting plasterboard to not detecting plasterboard, the central control terminal starts timing, and when the timing duration reaches a preset duration, controls the conveying device to stop conveying; or, Two third detection elements are arranged at intervals along the conveying direction of the conveying device. When the tail end of the gypsum board is detected to be between the two third detection elements, the main control terminal controls the conveying device to stop conveying.

8. The gypsum board spray painting equipment according to claim 1, characterized in that, The central control unit determines the number of reciprocating strokes of the spray gun on each side and the vertical displacement between the reciprocating strokes based on the height information of the gypsum board. The central control unit determines the displacement of the spray gun on one side of the width direction for each movement based on the width information of the gypsum board. The central control unit determines the displacement of the spray gun on one side of the length direction for each movement based on the length information of the gypsum board.

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