Special robot applied to bottom surface spraying of large workpiece

Abstract

The utility model relates to the technical field of spraying equipment, and provides a specialized robot for spraying the bottom surface of a large-sized workpiece, which comprises a plane moving frame, the plane moving frame is arranged in a pit, and a fixing piece for the large-sized workpiece is arranged above the pit; the lifting frame is arranged on the plane moving frame in a lifting mode, and the lifting frame gets close to or away from the large workpiece on the pit after lifting. The rotating part is rotationally arranged on the lifting frame, and the rotating axis of the rotating part is parallel to the lifting direction of the lifting frame; the two spray guns are rotationally arranged on the rotating part, after the two spray guns rotate, the included angle between the two spray guns becomes larger or smaller, the rotating axis of each spray gun is perpendicular to the rotating axis of the rotating part, and the spray guns are used for spraying the bottom face of the large workpiece. By means of the technical scheme, the problem that in the prior art, the spraying efficiency of the bottom faces of large workpieces is low is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to spraying equipment technical field, specifically, relate to a kind of applied to large workpiece bottom surface spraying special robot. BACKGROUND

[0002] In the field of industrial manufacturing, surface spraying is an important process for large workpieces, aiming to provide protective, decorative or special functional coating for the workpiece. However, in actual operation, manual spraying not only has high labor intensity, poor workpiece environment, and potential threat to workers' health, but also often cannot guarantee the quality and efficiency of spraying. Especially when it comes to the lower surface spraying of large workpieces, not only the spraying area is large, but also the position is inconvenient.

[0003] In order to improve the spraying efficiency of the bottom surface of the large workpiece in the prior art, an automatic spraying device is arranged in the pit. The automatic spraying device is usually a free-moving spray gun, but the spray gun has low spraying efficiency, cannot cope with large-area spraying of the bottom surface of the large workpiece, and has poor applicability, which cannot meet different spraying processes. SUMMARY

[0004] The utility model provides a kind of applied to large workpiece bottom surface spraying special robot, solve the problem of low efficiency of large workpiece bottom surface spraying in relevant technology.

[0005] The technical scheme of the utility model is as follows:

[0006] A kind of applied to large workpiece bottom surface spraying special robot, comprising:

[0007] A plane moving frame;

[0008] A lifting frame is arranged on the plane moving frame, and the lifting frame is close to or away from the large workpiece on the pit after lifting;

[0009] A rotating member is arranged on the lifting frame, and the rotating axis of the rotating member is parallel to the lifting direction of the lifting frame;

[0010] Two spray guns are arranged on the rotating member, and the included angle between the two spray guns is increased or decreased after rotation, the rotating axis of the spray gun is perpendicular to the rotating axis of the rotating member, and the spray gun is used for spraying the bottom surface of the large workpiece.

[0011] Optionally, it further comprises:

[0012] The rotating support frame has two, which are rotationally arranged on the rotating member, the rotating axes of the two rotating support frames are perpendicular to the rotating axis of the rotating member, the two rotating support frames have a certain included angle, the two rotating support frames are close to or away from each other after rotation, and the two spray guns are rotationally arranged on the two rotating members through the two rotating support frames.

[0013] Optionally, the spray gun is rotationally arranged at one end of the rotating support frame away from the rotating member, and the rotating axis of the spray gun is parallel to the rotating axis of the rotating support frame.

[0014] Optionally, it further comprises:

[0015] The first rotating driving device is arranged on the rotating member;

[0016] The first gear is arranged on the driving end of the first rotating driving device;

[0017] The second gear has two, which are arranged on the two rotating support frames respectively, the two second gears are located on the two sides of the first rotating driving device respectively, and the two second gears are in meshing transmission with the first gear.

[0018] Optionally, it further comprises:

[0019] The second rotating driving device is arranged on the rotating support frame, and the second rotating driving device is used to drive the spray gun to rotate.

[0020] Optionally, the rotating member has a first through hole, the axis of the first through hole is collinear with the axis of the rotating member, the first through hole is used for the compressed gas pipeline to pass through, and the rotating member further comprises:

[0021] The third rotating driving device is arranged on the lifting frame;

[0022] The third gear is arranged on the driving end of the third rotating driving device;

[0023] The fourth gear is arranged on the rotating member, and the third gear is in meshing transmission with the fourth gear.

[0024] Optionally, the rotating member further has a mounting groove, the first rotating driving device, the first gear and the second gear are located in the mounting groove, and the rotating member further comprises:

[0025] The cover plate is detachably arranged on the rotating member, the cover plate is located above the mounting groove, and the cover plate is used to shield the top of the mounting groove;

[0026] The curtain has a plurality of, which are arranged on the cover plate, and the curtain is used to shield the side edge of the mounting groove.

[0027] Optionally, the planar moving frame includes:

[0028] The first movable frame is movable and set within the pit;

[0029] The second movable frame is movably mounted on the first movable frame, and the movement directions of the first movable frame and the second movable frame are perpendicular. The lifting frame is mounted on the second movable frame.

[0030] The working principle and beneficial effects of this utility model are as follows:

[0031] 1. The planar moving frame moves the entire device to a suitable position in the plane. The lifting frame is adjusted according to the height of the large workpiece. The rotating parts rotate to achieve uniform spraying of the large workpiece surface by the spray gun. The two spray guns can also change the included angle between them as needed, so as to spray the bottom surface of the large workpiece comprehensively and efficiently.

[0032] 2. Through the coordination of the planar moving frame, lifting frame, and rotating components, the position of the spray gun can be flexibly adjusted to meet the spraying needs of the bottom surface of large workpieces of different sizes and shapes, improving spraying efficiency and uniformity. The design of two rotatable spray guns at different angles increases the spraying coverage area, reduces spraying dead corners, and improves spraying quality. Attached Figure Description

[0033] The preferred embodiments will be described below in a clear and easy-to-understand manner, in conjunction with the accompanying drawings, to further explain the above-mentioned characteristics, technical features, advantages and implementation methods of this utility model.

[0034] Figure 1 This is a schematic diagram of the present invention and the pit structure;

[0035] Figure 2 This is a schematic diagram of the structure of this utility model;

[0036] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0037] Figure 4 This is a cross-sectional view of the rotating component of this utility model.

[0038] In the diagram: 100, planar moving frame; 200, pit; 300, lifting frame; 400, rotating component; 500, spray gun; 600, rotating support frame; 611, first gear; 620, second gear; 510, second rotating drive device; 410, first through hole; 420, third rotating drive device; 421, third gear; 430, fourth gear; 440, mounting slot; 450, cover plate; 110, first moving frame; 120, second moving frame. DETAILED DESCRIPTION

[0039] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, specific embodiments of the present application will be described below with reference to the drawings. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.

[0040] In order to make the drawing simple, only the parts related to the present application are shown in each drawing, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the parts with the same structure or function is shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0041] In this paper, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] In addition, in the description of the present application, the terms "first", "second" and the like are only used for differentiation and description, and cannot be understood as indicating or implying relative importance.

[0043] Reference Figures 1-4 The utility model provides a kind of special robot applied to large workpiece bottom surface spraying, including plane moving frame 100, plane moving frame 100 is arranged in pit 200, pit 200 upper has the fixing piece of large workpiece;Lifting frame 300 is lifted and arranged on plane moving frame 100, lifting frame 300 is lifted and is close to or away from large workpiece on pit 200;Rotary piece 400 is rotationally arranged on lifting frame 300, the rotation axis of rotary piece 400 is parallel with the lifting direction of lifting frame 300;Spray gun 500 has two, and is rotationally arranged on rotary piece 400, the included angle between two spray guns 500 is increased or reduced after rotation, the rotation axis of spray gun 500 is perpendicular to the rotation axis of rotary piece 400, and spray gun 500 is used to spray the bottom surface of large workpiece.

[0044] In this embodiment, the plane moving frame 100 adopts a solid metal structure and is moved in the pit 200 through a track and a roller. The lifting frame 300 is lifted relative to the plane moving frame 100 through an electric push rod, a hydraulic rod or a screw nut mechanism. The rotating part 400 is installed on the lifting frame 300 through a rotating shaft and a bearing, which ensures stable rotation. In order to adapt to the spraying environment in the pit 200, a sealing structure can be added to the bearing position of the rotating part 400 to prolong the service life of the bearing. The spray guns 500 are installed on the rotating part 400 through a pin shaft or a similar rotating connection structure. In work, the plane moving frame 100 drives the entire device to move to a suitable position in the plane, the lifting frame 300 is adjusted according to the height of the large workpiece, and the rotating part 400 is rotated to realize uniform spraying of the large workpiece surface by the spray guns 500. The included angle between the two spray guns 500 can be changed as needed, so that the bottom surface of the large workpiece can be sprayed comprehensively and efficiently.

[0045] Through the cooperation of the plane moving frame 100, the lifting frame 300 and the rotating part 400, the position of the spray gun 500 can be flexibly adjusted to adapt to the spraying requirements of the bottom surface of large workpieces of different sizes and shapes, improve the spraying efficiency, and also improve the uniformity of spraying. The design of the two rotatable spray guns 500 can increase the spraying coverage area, reduce the spraying dead angle and improve the spraying quality.

[0046] Further, the rotating support frames 600 are provided, and the rotating support frames 600 are two and are rotationally arranged on the rotating part 400. The rotating axes of the two rotating support frames 600 are perpendicular to the rotating axis of the rotating part 400. The two rotating support frames 600 have a certain included angle and are close to or away from each other after rotation. The two spray guns 500 are rotationally arranged on the two rotating parts 400 through the two rotating support frames 600.

[0047] In this embodiment, the two rotating support frames 600 are installed on the rotating part 400 through a rotating shaft and a bearing, which ensures flexible and stable rotation. The connection position and angle of each rotating support frame 600 and the rotating part 400 are carefully designed, so that the two rotating support frames 600 can cooperate with each other during rotation to achieve the required function. The two spray guns 500 are fixed at the ends of the two rotating support frames 600, and the position and angle of the spray guns 500 are changed through the rotation of the rotating support frames 600. In actual work, the two rotating support frames 600 can be independently or cooperatively rotated according to the shape of the bottom surface of the large workpiece and the spraying requirements, so as to drive the spray guns 500 to the best spraying position and angle.

[0048] The rotation of the support frame 600 facilitates the driving device to drive the rotation of the support frame 600, thereby driving the rotation of the spray gun 500 relative to the rotating member 400, and the structure of the spray gun 500 is not changed, and only the spray gun 500 of a suitable type is fixed to the support frame 600 by fasteners during installation.

[0049] Further, the spray gun 500 is arranged at the end of the support frame 600 away from the rotating member 400, and the rotation axis of the spray gun 500 is parallel to the rotation axis of the support frame 600.

[0050] In the embodiment, the spray gun 500 is arranged at the end of the support frame 600 away from the rotating member 400 by a rotating seat and a matching bearing, and a rotating shaft is arranged between the rotating seat and the support frame 600, and the bearing is arranged between the rotating shaft and the support frame 600. The installation of the rotating shaft ensures that the spray gun 500 can rotate smoothly around its axis. During work, the spray gun 500 can independently rotate around its rotation axis in addition to the overall angle adjustment of the support frame 600. The rotation of the support frame 600 relative to the rotating member 400 can change the spraying range of the spray gun 500, and the rotation of the spray gun 500 relative to the support frame 600 can change the spraying angle to meet different spraying requirements.

[0051] In one way, the spray gun 500 always sprays the lower surface of a large workpiece in a manner perpendicular to the ground, and regardless of the change in the angle of the support frame 600, the spray gun 500 can rely on its own rotation to adjust the spraying direction to ensure that the spraying direction is always perpendicular to the ground.

[0052] Further, the first rotation driving device is arranged on the rotating member 400, the first gear 611 is arranged on the driving end of the first rotation driving device, and the second gears 620 are arranged on the two support frames 600, respectively, and the two second gears 620 are located on the two sides of the first rotation driving device and are in meshing transmission with the first gear 611.

[0053] In the embodiment, the first rotation driving device is fixed to the rotating member 400 by bolts, and a motor or other suitable rotating driving device can be selected. The first gear 611 is installed on the driving end of the first rotation driving device by key connection or the like. The two second gears 620 are fixed to the rotating shafts of the two support frames 600 by key connection or welding, and are symmetrically distributed on the two sides of the first rotation driving device. During work, the first rotation driving device is started to drive the rotation of the first gear 611. Since the first gear 611 is in meshing transmission with the two second gears 620, the two second gears 620 rotate in opposite directions, thereby driving the two support frames 600 to move closer to or away from each other to realize the adjustment of the angle.

[0054] Through the gear transmission mode, the rotation angle and speed of the two rotating support frames 600 can be accurately controlled, and the consistency and stability of the action are ensured. This transmission mode has high transmission efficiency, can quickly respond to adjustment requirements, and improves work efficiency. The structure is compact, occupies small space, and is conducive to the layout and installation of the whole device. It is helpful to realize automatic control, reduce manual intervention, and improve the accuracy and reliability of spraying.

[0055] Further, the second rotating driving device 510 is arranged on the rotating support frame 600, and the second rotating driving device 510 is used to drive the spray gun 500 to rotate.

[0056] In the embodiment, the second rotating driving device 510 is fixed on the rotating support frame 600 through a mounting seat or a bolt, and for example, a small motor or a rotary cylinder can be selected. The output shaft of the second rotating driving device 510 is connected with the rotating shaft of the spray gun 500 through a shaft coupling or other suitable connecting piece, so as to drive the spray gun 500 to rotate. In actual operation, when it is necessary to adjust the spraying angle of the spray gun 500, the second rotating driving device 510 is started to directly drive the spray gun 500 to rotate around the rotating axis thereof.

[0057] One of the possible ways is that the second rotating driving device 510 can adopt a harmonic motor, and the synchronization adjustment parameters and logic of the first rotating driving device and the second rotating driving device 510 are pre-set in the control system. When the first rotating driving device acts, the action signal thereof is transmitted to the control system. According to the pre-set program and algorithm, the control system immediately sends an instruction to the second rotating driving device 510, so that the second rotating driving device 510 and the first rotating driving device realize synchronous adjustment. In actual work, for example, when the first rotating driving device drives the rotating support frame 600 to change the angle, the second rotating driving device 510 quickly responds to synchronously adjust the rotation angle of the spray gun 500, so that the spray gun 500 always maintains the best spraying angle.

[0058] Further, the rotating member 400 has a first through hole 410, an axis of the first through hole 410 is collinear with an axis of the rotating member 400, the first through hole 410 is used for the compressed gas pipeline to pass through, and the third rotating driving device 420 is arranged on the lifting frame 300; the third gear 421 is arranged on the driving end of the third rotating driving device 420; the fourth gear 430 is arranged on the rotating member 400, and the third gear 421 and the fourth gear 430 are in meshing transmission.

[0059] The first through hole 410 on the rotating member 400 is smooth inside to reduce the friction damage to the compressed gas pipeline. The compressed gas pipeline passes through the first through hole 410 to ensure safety and not to hinder the rotation of the rotating member 400. The third rotation driving device 420 is stably arranged on the lifting frame 300 through a mounting bracket, and a motor or other equipment can be selected. The third gear 421 is fixed on the driving end of the third rotation driving device 420 through key connection. The fourth gear 430 is fixed on the rotating member 400 through key connection or welding. In operation, the third rotation driving device 420 is started to drive the third gear 421 to rotate. Since the third gear 421 is engaged with the fourth gear 430, the rotating member 400 is driven to rotate.

[0060] The first through hole 410 provides a reasonable layout channel for the compressed gas pipeline, ensures the neatness and safety of the equipment, and does not affect the normal rotation function of the rotating member 400. After the compressed gas passes through the rotating member, it is connected with the spray gun 500 to provide the gas source required for the spray gun 500. The transmission mode of the third gear 421 and the fourth gear 430 between the third rotation driving device 420 and the rotating member 400 can avoid the rotation axis of the rotating member 400, which is convenient for the passage of the gas pipeline.

[0061] Further, the rotating member 400 also has a mounting groove 440, the first rotation driving device, the first gear 611, and the second gear 620 are located in the mounting groove 440, and further includes a cover plate 450, the cover plate 450 is detachably arranged on the rotating member 400, the cover plate 450 is located above the mounting groove 440, and the cover plate 450 is used to shield the top of the mounting groove 440. The curtain has a plurality of curtains arranged on the cover plate 450, and the curtain is used to shield the side of the mounting groove 440.

[0062] In this embodiment, the position and size of the mounting groove 440 on the rotating member 400 are carefully designed to ensure that the first rotation driving device, the first gear 611, and the second gear 620 can be properly installed therein. The cover plate 450 is detachably connected to the rotating member 400 by bolts or buckles, which facilitates the maintenance and repair of the components inside the mounting groove 440. The plurality of curtains are evenly distributed on the side of the cover plate 450, and the curtains can be made of soft and wear-resistant materials such as rubber or canvas. During the operation of the equipment, the cover plate 450 can effectively shield the top of the mounting groove 440 to prevent dust, impurities, and other impurities from entering the inside of the mounting groove 440 and affecting the normal operation of the components. The curtain can swing flexibly with the rotation of the rotating member 400, and always shields the side of the mounting groove 440, further improving the protection effect. In order to display the internal structure, the curtain is not shown in the drawings.

[0063] Further, the plane moving frame 100 comprises a first moving frame 110 movably arranged in the pit 200, a second moving frame 120 movably arranged on the first moving frame 110, and a lifting frame 300 arranged on the second moving frame 120.

[0064] In the embodiment, the first moving frame 110 is movably arranged along a direction by rollers or sliding blocks arranged on the bottom of the first moving frame 110 and cooperating with a track arranged in the pit 200. The second moving frame 120 is movably arranged on the first moving frame 110 by a similar moving structure, and the moving direction of the second moving frame 120 is perpendicular to the first moving frame 110. The lifting frame 300 is fixed on the second moving frame 120 by screwing or welding. In working, the first moving frame 110 is firstly moved to a position along the direction, and then the second moving frame 120 is moved on the first moving frame 110 along a perpendicular direction, so as to accurately adjust the position of the lifting frame 300 and the spray gun 500.

[0065] It should be noted that the above embodiment is only used to illustrate the technical scheme of the present application but not limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A special robot for spraying the bottom surface of a large workpiece, characterized in that, It comprises: A plane moving frame (100); A lifting frame (300) is arranged on the plane moving frame (100), and the lifting frame (300) is close to or away from the large workpiece on the pit (200) after lifting; A rotating member (400) is arranged on the lifting frame (300), and the rotating axis of the rotating member (400) is parallel to the lifting direction of the lifting frame (300); Two spray guns (500) are arranged on the rotating member (400), and the included angle between the two spray guns (500) is increased or decreased after rotation, the rotating axis of the spray gun (500) is perpendicular to the rotating axis of the rotating member (400), and the spray gun (500) is used for spraying the bottom surface of the large workpiece.

2. The robot for spraying a special machine applied to the bottom surface of a large workpiece according to claim 1, wherein It also comprises: Two rotating support frames (600) are arranged on the rotating member (400), the rotating axes of the two rotating support frames (600) are perpendicular to the rotating axis of the rotating member (400), the two rotating support frames (600) have a certain included angle, the two rotating support frames (600) are close to or away from each other after rotation, and the two spray guns (500) are arranged on the two rotating members (400) through the two rotating support frames (600) respectively.

3. The robot for spraying a large workpiece according to claim 2, wherein The spray gun (500) is arranged at one end of the rotating support frame (600) away from the rotating member (400), and the rotating axis of the spray gun (500) is parallel to the rotating axis of the rotating support frame (600).

4. The robot for spraying a special machine applied to the bottom surface of a large workpiece according to claim 2, wherein It also comprises: A first rotating driving device is arranged on the rotating member (400); A first gear (611) is arranged on the driving end of the first rotating driving device; Two second gears (620) are arranged on the two rotating support frames (600) respectively, the two second gears (620) are located on the two sides of the first rotating driving device respectively, and the two second gears (620) are in meshing transmission with the first gear (611).

5. The robot for spraying a large workpiece according to claim 3, wherein It also comprises: A second rotating driving device (510) is arranged on the rotating support frame (600), and the second rotating driving device (510) is used for driving the spray gun (500) to rotate.

6. The robot for spraying a large workpiece according to claim 1, wherein The rotating member (400) has a first through hole (410), the axis of the first through hole (410) is collinear with the axis of the rotating member (400), the first through hole (410) is used for the compressed gas pipeline to pass through, and the rotating member (400) further comprises: A third rotating driving device (420) is arranged on the lifting frame (300); A third gear (421) is arranged on the driving end of the third rotating driving device (420); A fourth gear (430) is arranged on the rotating member (400), and the third gear (421) is in meshing transmission with the fourth gear (430).

7. The robot for spraying a large workpiece according to claim 4, wherein The rotating member (400) further has a mounting groove (440), the first rotating driving device, the first gear (611) and the second gear (620) are located in the mounting groove (440), and the rotating member (400) further comprises: A cover plate (450) is detachably arranged on the rotating member (400), the cover plate (450) is located above the mounting groove (440), and the cover plate (450) is used for shielding the top of the mounting groove (440); A plurality of curtain plates are arranged on the cover plate (450), and the curtain plates are used for shielding the side edges of the mounting groove (440).

8. The robot for spraying a large workpiece according to claim 1, wherein The planar moving frame (100) comprises: A first moving frame (110) is movably arranged in the pit (200); A second moving frame (120) is movably arranged on the first moving frame (110), the moving direction of the first moving frame (110) is perpendicular to the moving direction of the second moving frame (120), and the lifting frame (300) is arranged on the second moving frame (120).

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