A spraying device for a robot arm

Abstract

The utility model discloses a kind of spraying devices for robot mechanical arm, including mechanical arm body, spraying pipe and nozzle, the side surface of the mechanical arm body is fixedly installed with locating seat, locating seat is fixedly sleeved on the surface of spraying pipe, the end surface of spraying pipe is fixedly installed with dispersion box, nozzle is fixedly installed in the side surface of dispersion box;The side of the dispersion box close to mechanical arm body is fixedly connected with buckle assembly, the other end of buckle assembly is set in the end surface of mechanical arm body.The utility model is through the quick docking and separation of dispersion box and mechanical arm body by the buckle assembly of symmetrical design, rotating block in buckle assembly and rotating groove are rotated by arc-shaped guide slot and guide block cooperation, combined with the self-adapting tension of tension spring piece and the interlocking structure of triangular locating groove, ensure anti-vibration, anti-loosening when connecting, suitable for mechanical arm dynamic operating environment, without tool auxiliary, simplify replacing nozzle or cleaning process, reduce downtime.

Description

Technical Field

[0001] This utility model relates to the field of robot spraying device technology, and in particular to a spraying device for a robot arm. Background Technology

[0002] In the field of industrial automation, robotic arms are widely used in the spraying of product surfaces. Existing robotic arm spraying devices typically include the robotic arm body, an actuator flange installed at the end of the robotic arm, and a spray nozzle fixed by a mounting bracket and a matching feeding system. These devices can control the movement trajectory of the robotic arm through a preset program, achieving automated, efficient, and highly consistent spraying of complex curved workpieces, which is significantly better than traditional manual spraying and has become a key piece of equipment on modern intelligent manufacturing production lines.

[0003] However, the spray nozzles are usually rigidly connected to the mounting bracket by fasteners such as bolts and screws. Although this fixing method is sturdy, the disassembly process is cumbersome, requires the use of special tools and takes a long time. When production needs to change colors, paint types or replace nozzles due to wear, the long downtime for replacement seriously affects the production cycle and efficiency. In addition, frequent tightening of bolts can easily cause the mounting bracket threads to strip, resulting in loose installation and high maintenance costs.

[0004] Therefore, how to provide a spraying device for robotic arms is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] One objective of this invention is to provide a spraying device for a robotic arm, which solves the problems mentioned in the background art.

[0006] A spraying device for a robotic arm according to an embodiment of the present invention includes a robotic arm body, a spraying pipe and a nozzle. A positioning seat is fixedly installed on the side of the robotic arm, and the positioning seat is fixedly sleeved on the surface of the spraying pipe. A dispersion box is fixedly installed on the end face of the spraying pipe, and the nozzle is fixedly installed on the side of the dispersion box. A buckling assembly is fixedly connected to the side of the dispersion box near the robotic arm body, and the other end of the buckling assembly is disposed on the end face of the robotic arm body.

[0007] The number of corresponding nozzles on the dispersion box is greater than one set.

[0008] The buckle assembly includes two sets of docking clips that are centrally symmetrical and interlock with each other. One end of each set of docking clips is fixedly connected to the surface of the dispersion box and the robotic arm body, respectively.

[0009] Each set of docking components includes a positioning block, a rotating groove, a limiting groove, a rotating block, and a rotating handle. Two sets of positioning blocks are fixedly installed on the end face of the robotic arm body and the side of the dispersion box, respectively. The rotating groove is opened inside the positioning block, and the limiting groove is opened on the side of the upper positioning block and communicates with the rotating groove. The rotating block is rotatably connected inside the rotating groove. One end of the rotating handle is fixedly connected to the side of the rotating block, and the other end of the rotating handle passes through the limiting groove and extends to the outside of the limiting groove and the positioning block. One end of one set of rotating blocks is movably engaged inside the other set of rotating grooves, and the two sides of the two sets of rotating blocks are movably connected.

[0010] Each set of docking clips also includes a tension spring, one end of which is fixedly connected to the inner wall of the limiting groove, and the other end of which is fixedly connected to the inner side of the rotating handle.

[0011] Each set of docking components also includes an arc-shaped guide groove and an arc-shaped guide block. The arc-shaped guide groove is opened on the side of the rotating block to connect the two symmetrical sides of the rotating block. The arc-shaped guide block is fixedly connected inside the rotating groove, and the arc-shaped guide groove is movably sleeved on the surface of the arc-shaped guide block.

[0012] Each set of docking components also includes a triangular positioning groove, and a triangular locking block is fixedly connected to the surface of the positioning block corresponding to the position of the triangular positioning groove. The triangular locking block is movably engaged inside the triangular positioning groove.

[0013] The rotating block is a semi-circular rotating block.

[0014] The beneficial effects of this utility model are:

[0015] The symmetrically designed snap-fit ​​assembly enables quick docking and separation between the dispersion box and the robotic arm body. The rotating block and rotating groove in the snap-fit ​​assembly rotate in cooperation with the arc-shaped guide groove and guide block. Combined with the adaptive tension of the tension spring and the interlocking structure of the triangular positioning groove, it ensures vibration resistance and anti-loosening during connection. It is suitable for the dynamic working environment of the robotic arm, requires no tool assistance, simplifies the nozzle replacement or cleaning process, and reduces downtime.

[0016] Multiple sets of nozzles are set on the dispersion box, which significantly expands the coverage area of ​​the spraying, avoids uneven spraying at single points, and improves coating consistency and work efficiency. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a spraying device for a robotic arm proposed in this utility model.

[0019] Figure 2This is an exploded three-dimensional structural diagram of the position of the buckle component in a spraying device for a robotic arm proposed in this utility model.

[0020] Figure 3 This is a three-dimensional cross-sectional view of the dispersion box position in a spraying device for a robotic arm proposed in this utility model.

[0021] Figure 4 This is a three-dimensional cross-sectional structural diagram of the buckle component position in a spraying device for a robotic arm proposed in this utility model.

[0022] The attached diagram shows: 1. Robotic arm body; 2. Spray pipe; 3. Nozzle; 4. Positioning seat; 5. Dispersion box; 6. Buckle assembly; 7. Positioning block; 8. Rotating groove; 9. Limiting groove; 10. Rotating block; 11. Rotating handle; 12. Tension spring; 13. Arc-shaped guide groove; 14. Arc-shaped guide block; 15. Triangular positioning groove; 16. Triangular locking block. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0024] refer to Figure 1-4 In this embodiment, the system includes a robotic arm body 1, a spray pipe 2, and a nozzle 3. A positioning seat 4 is fixedly installed on the side of the robotic arm body. The positioning seat 4 is fixedly sleeved on the surface of the spray pipe 2. A dispersion box 5 is fixedly installed on the end face of the spray pipe 2. The nozzle 3 is fixedly installed on the side of the dispersion box 5.

[0025] In practice, the dispersion box 5 is used to fix and install more than one set of nozzles 3, so that the number of nozzles 3 can be selected according to the actual situation.

[0026] refer to Figure 1-4 In this embodiment, the number of nozzles 3 on the dispersion box 5 is greater than one set.

[0027] In specific implementation, there are two nozzles 3 in this technical solution. One of them is a plug, which is used to block the unconnected outlet position on the dispersion box 5. The nozzle 3 is threadedly installed on the side of the dispersion box 5 through a threaded joint. It should be noted that the nozzle 3 is adapted to the actual spraying range and usage method. There can be one set or more than one set.

[0028] refer to Figure 1-4In this embodiment, a buckle assembly 6 is fixedly connected to the side of the dispersion box 5 near the robotic arm body 1. The other end of the buckle assembly 6 is disposed on the end face of the robotic arm body 1. The buckle assembly 6 includes two sets of docking clips that are centrally symmetrical and interlock with each other. One end of the two sets of docking clips is fixedly connected to the surface of the dispersion box 5 and the surface of the robotic arm body 1, respectively.

[0029] In practice, two different sets of docking clips are respectively set at the positions of the dispersion box 5 and the robotic arm body 1 that need to be connected. The two sets of docking clips are docked to fix the dispersion box 5 to the end face of the robotic arm body 1, thereby quickly stabilizing the dispersion box 5 and the nozzle 3.

[0030] refer to Figure 1-4 In this embodiment, each set of docking components includes a positioning block 7, a rotating groove 8, a limiting groove 9, a rotating block 10, and a rotating handle 11. Two sets of positioning blocks 7 are fixedly installed on the end face of the robotic arm body 1 and the side of the dispersion box 5, respectively. The rotating groove 8 is opened inside the positioning block 7, and the limiting groove 9 is opened on the side of the positioning block 7 and communicates with the rotating groove 8. The rotating block 10 is rotatably connected inside the rotating groove 8. One end of the rotating handle 11 is fixedly connected to the side of the rotating block 10, and the other end of the rotating handle 11 passes through the limiting groove 9 and extends to the outside of the limiting groove 9 and the positioning block 7. One end of one set of rotating blocks 10 is movably engaged inside the other set of rotating grooves 8, and the two sides of the two sets of rotating blocks 10 are movably connected.

[0031] In specific implementation, the rotating groove 8 is a circular groove, and the rotating block 10 rotates inside the rotating groove 8. When a set of mating clips moves from top to bottom, the sides of the two sets of rotating blocks 10 fit together, so the inclined rotating block 10 will retract into the rotating groove 8, thus preventing the rotating block 10 from protruding outside the rotating groove 8. Then, after the two sets of positioning blocks 7 are stably engaged with each other, as... Figure 1 and Figure 4 In the state shown, under the action of the tension spring, the handle 11 drives the rotating block 10 to rotate and insert into the rotating groove 8 in another set of docking clips, thus achieving staggered engagement, as shown. Figure 4 As shown, the snap-fit ​​operation is completed. When removing it, simply rotate the handle 11 to make the rotating block 10 separate from the other set of rotating grooves 8. There is no need to use bolts or other methods, which achieves the effect of quick installation and removal of the nozzle 3.

[0032] refer to Figure 1-4 In this embodiment, each set of docking clips also includes a tension spring 12. One end of the tension spring 12 is fixedly connected to the inner wall of the limiting groove 9, and the other end of the tension spring 12 is fixedly connected to the inner side of the rotating handle 11.

[0033] In practice, after the two sets of docking clips are docked, the tension spring 12 pulls the rotating handle 11 closer to the limiting groove 9. At this time, the rotating handle 11 drives the rotating block 10 to rest on the inner wall of the limiting groove 9. While the rotating handle 11 rests on the inner wall of the limiting groove 9, the rotating block 10 is driven to rotate on the surface of the arc-shaped guide block 14 through the arc-shaped guide groove 13. In this way, the rotating block 10 will be inserted into the interior of another set of rotating grooves 8, thereby completing the misaligned docking. Figure 4 As shown, this ensures a stable connection that is not prone to shaking or separation.

[0034] refer to Figure 1-4 In this embodiment, each set of docking clips also includes an arc-shaped guide groove 13 and an arc-shaped guide block 14. The arc-shaped guide groove 13 is opened on the side of the rotating block 10 to connect the two symmetrical sides of the rotating block 10. The arc-shaped guide block 14 is fixedly connected inside the rotating groove 8, and the arc-shaped guide groove 13 is movably sleeved on the surface of the arc-shaped guide block 14.

[0035] In specific implementation, the arc-shaped guide groove 13 is used to fit the rotating block 10 onto the surface of the arc-shaped guide block 14, and then the arc-shaped guide block 14 is used for positioning. When the rotating block 10 rotates, it causes the arc-shaped guide groove 13 to move along the arc-shaped guide block 14. It should be noted that the rotating block 10 rotates around its own central axis.

[0036] refer to Figure 1-4 In this embodiment, each set of docking clips also includes a triangular positioning groove 15. A triangular locking block 16 is fixedly connected to the surface of the positioning block 7 at the position corresponding to the triangular positioning groove 15. The triangular locking block 16 is movably engaged inside the triangular positioning groove 15.

[0037] In practice, to ensure a more stable connection, a triangular locking block 16 is used for positioning to prevent the two sets of rotating blocks 10 from separating when the device shakes.

[0038] refer to Figure 1-4 In this embodiment, the rotating block 10 is a semi-circular rotating block 10.

[0039] In specific implementation, the semi-circular rotating block 10 matches the shape of the rotating groove 8, such as... Figure 4 As shown, the rotating block 10 can rotate stably inside the rotating groove 8.

[0040] The working principle of this utility model is as follows:

[0041] When this device is in operation, the dispersing box 5 and the robotic arm body 1 are quickly connected via the snap-fit ​​assembly 6. When the two sets of docking clips approach each other, the positioning block 7 fixed to the side of the dispersing box 5 and the positioning block 7 on the side of the robotic arm body 1 are initially aligned and limited by the triangular positioning groove 15 and the triangular locking block 16. During the process of the triangular locking block 16 being inserted into the triangular positioning groove 15, the two sets of rotating blocks 10 will come into contact with each other and be pushed by the positioning block 7 to retract into the rotating groove 8 at the corresponding position. When the triangular locking block 16 is fully inserted into the triangular positioning groove 15, the sides of the two sets of rotating blocks 10 are fully in contact. Then, under the tension of the tension spring 12, the rotating handle 11 will drive the rotating blocks 10 to rotate. The movement causes the rotating block 10 to rotate along the arc-shaped guide block 14 via the arc-shaped guide groove 13. At this time, a portion of one set of rotating blocks 10 moves out of its own rotating groove 8 and engages with the interior of another set of rotating grooves 8, thus achieving the purpose of engagement. Then, combined with the triangular positioning groove 15, the two sets of docking clamps are stably engaged in all directions, forming a two-way constraint to prevent them from separating on their own, thereby ensuring that the dispersion box 5 remains firmly connected during the movement of the robotic arm. After the spray pipe 2 delivers fluid to the dispersion box 5, it is sprayed out synchronously by multiple sets of nozzles 3 to achieve efficient and uniform spraying operations. When disassembly is required, the reverse rotation of the handle 11 can overcome the tension spring force to release the engagement and achieve rapid separation.

[0042] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A spraying device for a robotic arm, characterized in that, The system includes a robotic arm body (1), a spray pipe (2), and a nozzle (3). A positioning seat (4) is fixedly installed on the side of the robotic arm. The positioning seat (4) is fixedly sleeved on the surface of the spray pipe (2). A dispersion box (5) is fixedly installed on the end face of the spray pipe (2). The nozzle (3) is fixedly installed on the side of the dispersion box (5). The dispersion box (5) is fixedly connected to a buckle assembly (6) on one side near the robotic arm body (1), and the other end of the buckle assembly (6) is set on the end face of the robotic arm body (1).

2. The spraying device for a robotic arm according to claim 1, characterized in that, The number of nozzles (3) on the dispersion box (5) is greater than one set.

3. The spraying device for a robotic arm according to claim 2, characterized in that, The buckle assembly (6) includes two sets of docking clips that are centrally symmetrical and interlock with each other. One end of each set of docking clips is fixedly connected to the surface of the dispersion box (5) and the robotic arm body (1), respectively.

4. The spraying device for a robotic arm according to claim 3, characterized in that, Each set of docking components includes a positioning block (7), a rotating groove (8), a limiting groove (9), a rotating block (10), and a rotating handle (11). Two sets of positioning blocks (7) are fixedly installed on the end face of the robotic arm body (1) and the side of the dispersion box (5), respectively. The rotating groove (8) is opened inside the positioning block (7), and the limiting groove (9) is opened on the side of the upper positioning block (7) and communicates with the rotating groove (8). The rotating block (10) is rotatably connected inside the rotating groove (8). One end of the rotating handle (11) is fixedly connected to the side of the rotating block (10), and the other end of the rotating handle (11) passes through the limiting groove (9) and extends to the outside of the limiting groove (9) and the positioning block (7). One end of the rotating block (10) is movably engaged inside the rotating groove (8) of the other set, and the two sides of the two sets of rotating blocks (10) are movably connected.

5. A spraying device for a robotic arm according to claim 4, characterized in that, Each set of docking clips also includes a tension spring (12), one end of which is fixedly connected to the inner wall of the limiting groove (9), and the other end of which is fixedly connected to the inner side of the rotating handle (11).

6. The spraying device for a robotic arm according to claim 5, characterized in that, Each set of docking components also includes an arc-shaped guide groove (13) and an arc-shaped guide block (14). The arc-shaped guide groove (13) is opened on the side of the rotating block (10) to connect the two symmetrical sides of the rotating block (10). The arc-shaped guide block (14) is fixedly connected inside the rotating groove (8). The arc-shaped guide groove (13) is movably sleeved on the surface of the arc-shaped guide block (14).

7. A spraying device for a robotic arm according to claim 6, characterized in that, Each set of docking clips also includes a triangular positioning groove (15). A triangular locking block (16) is fixedly connected to the surface of the positioning block (7) corresponding to the position of the triangular positioning groove (15). The triangular locking block (16) is movably engaged inside the triangular positioning groove (15).

8. A spraying device for a robotic arm according to claim 7, characterized in that, The rotating block (10) is a semi-circular rotating block (10).

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