An improved structure of a robotic arm suction cup

Abstract

This utility model belongs to the field of robotic arm suction cup technology, specifically an improved structure for a robotic arm suction cup. It includes: an L-shaped arm with a hollow interior and a fixedly mounted cable guide plate, which divides the interior of the L-shaped arm into cable channels; and a hollow connecting frame connected to the bottom of the L-shaped arm. A servo motor is mounted on the hollow connecting frame, and a rotating shaft is mounted on the output shaft of the servo motor. An upper aluminum plate is rotatably mounted on the bottom of the hollow connecting frame via the rotating shaft, and a lower aluminum plate is mounted on the bottom of the upper aluminum plate. A frame is fixedly mounted on the bottom of the lower aluminum plate. This utility model increases the cable channels, avoiding friction between the wiring and the mechanical components, thus extending the service life. The upper and lower aluminum plates are fitted with a pin and slot, reducing the likelihood of loosening. The L-shaped arm is connected to the hollow connecting frame via a DD groove with a concave-fit design, improving connection stability.

Description

Technical Field

[0001] This utility model relates to the field of robotic arm suction cup technology, and in particular to an improved structure of robotic arm suction cup. Background Technology

[0002] Suction cups are one of the actuators in vacuum equipment and are widely used in various robotic arms that require vacuum holding, such as in the construction, papermaking, printing, and glass industries. However, the tooling structure of suction cups for robotic arms is complex, making it difficult to quickly change different suction nozzle modules and hindering later maintenance. As a result, the performance is not ideal and the flexibility is poor.

[0003] refer to Figure 5 The present invention is a robotic arm suction cup of the prior art. The defects of the prior art are as follows: 1. The internal mechanism of the L-shaped frame 101 of the arm is numerous and complex. The space for all the wiring inside the arm is small. When the arm is operating, the wiring is worn and sheds due to friction with the moving parts of the mechanism; 2. The two aluminum plates 103 / 104 are directly connected by screws. After long-term operation, the two connected aluminum plates are severely worn due to friction. If the aluminum plates are replaced, the equipment needs to be disassembled and it is not easy to observe the wear condition of the aluminum plates, resulting in a short service life of the parts; 3. The connecting plate 102 is a straight plate, which has poor stability when connected with the L-shaped frame 101 of the arm. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of the existing technology, namely: 1. The L-shaped frame 101 of the robotic arm has many internal mechanisms and a complex design, and the space for all wiring inside the arm is small. When the arm is in operation, the wiring rubs against the moving parts of the mechanism, causing the outer sheath of the wiring to wear and flake off; 2. The two aluminum plates 103 / 104 are directly connected by screws. During long-term operation, the two connected aluminum plates experience severe friction and wear. If the aluminum plates are replaced, the equipment needs to be disassembled, and it is not easy to observe the wear condition of the aluminum plates, resulting in a short service life of the parts; 3. The connecting plate 102 is a straight plate, which has the disadvantage of poor stability when connected to the L-shaped frame 101 of the robotic arm. Therefore, an improved suction cup structure for a robotic arm is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An improved structure for a robotic arm suction cup includes:

[0007] The L-shaped arm has a hollow interior structure and is fixedly fitted with a wire guide plate, which divides the interior of the L-shaped arm into wire channels.

[0008] A hollow connecting frame connects to the bottom of the L-shaped arm. A servo motor is mounted on the hollow connecting frame, and a rotating shaft is mounted on the output shaft of the servo motor. An upper aluminum plate is rotatably mounted on the bottom of the hollow connecting frame via the rotating shaft. A lower aluminum plate is mounted on the bottom of the upper aluminum plate, and a frame is fixedly mounted on the bottom of the lower aluminum plate. Four downward-pressing cylinders are mounted on the frame, and four hollow suction tubes are mounted on the four downward-pressing cylinders. Multiple suction cup heads are mounted on each of the four hollow suction tubes.

[0009] Preferably, the bottom of the upper aluminum plate is fixedly installed with multiple shaft pins, and the top of the lower aluminum plate is provided with multiple pin grooves, and the shaft pins are adapted to the pin grooves.

[0010] Preferably, three vacuum pressure gauges are installed on the top of the upper aluminum plate.

[0011] Preferably, a PVC transparent panel is installed on the inner side of the frame.

[0012] Preferably, a slider is fixedly installed on the outer side of the L-shaped arm, and a vertical slide rail is installed on the slider.

[0013] Preferably, the bottom of the L-shaped arm is provided with a DD groove, which is adapted to the hollow connecting frame.

[0014] The beneficial effects of the improved suction cup structure for robotic arms described in this utility model are as follows:

[0015] 1. The interior of the L-shaped arm is a hollow structure with a fixed cable tray. The cable tray divides the interior of the L-shaped arm into cable channels for cable travel, avoiding friction between the cable and the machinery and extending its service life.

[0016] 2. The vertical slide rail drives the L-shaped arm to adjust its height via a slider. The L-shaped arm is fitted with a suction cup via a DD groove and a hollow connecting frame, enabling height adjustment of the suction cup. The concave-fit design of the DD groove and the hollow connecting frame improves connection stability. The servo motor drives the rotating shaft to rotate, and the hollow connecting frame ensures rotational stability. The rotating shaft drives the lower aluminum plate to rotate via the upper aluminum plate. In addition to screw connections, the upper and lower aluminum plates are also connected by a shaft pin and pin groove, which reduces the likelihood of loosening and increases stability.

[0017] 3. Multiple vacuum pressure gauges are installed to provide an alarm when the vacuum value falls below the set range; a PVC transparent panel is installed to collect falling debris.

[0018] 4. The L-shaped arm is connected to the hollow connecting frame through the DD groove and concave fitting design, which improves the connection stability;

[0019] This utility model adds a wiring channel to avoid friction between the wiring and the machinery, thus extending the service life. The upper and lower aluminum plates are fitted with a pin and a slot, which makes it less prone to loosening and increases stability. The L-shaped arm is connected to the hollow connecting frame through the DD groove and the concave fitting design, which improves the connection stability. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of an improved suction cup structure for a robotic arm proposed in this utility model;

[0021] Figure 2 This utility model provides a structural schematic diagram of the hollow connecting frame, upper aluminum plate, suction head and related parts;

[0022] Figure 3 This is a schematic diagram of the structure of the L-shaped arm, slider, and vertical slide rail proposed in this utility model;

[0023] Figure 4 This is a schematic diagram of the upper and lower aluminum plates proposed in this utility model;

[0024] Figure 5 The background section presents a schematic diagram of the structure of a robotic arm suction cup in the prior art.

[0025] In the diagram: 1. L-shaped arm; 2. Line guide plate; 4. Servo motor; 5. Rotary shaft; 6. Hollow connecting frame; 7. Upper aluminum plate; 8. Lower aluminum plate; 9. Shaft pin; 91. Pin groove; 10. Line guide; 11. Suction cup head; 12. Hollow suction tube; 13. Lower top cylinder; 14. Vacuum pressure gauge; 15. Frame; 16. PVC transparent plate; 17. Slider; 18. Vertical slide rail; 19. DD groove. Detailed Implementation

[0026] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this embodiment, and not all embodiments.

[0027] Example 1

[0028] The following is combined Figures 1-4 This application will be described in further detail.

[0029] An improved suction cup structure for a robotic arm includes an L-shaped arm 1 and a hollow connecting frame 6. The L-shaped arm 1 has a hollow interior and a guide plate 2 is fixedly installed thereon. The guide plate 2 divides the interior of the L-shaped arm 1 into guideways 10. The hollow connecting frame 6 is connected to the bottom of the L-shaped arm 1. A servo motor 4 is mounted on the hollow connecting frame 6. A rotating shaft 5 is mounted on the output shaft of the servo motor 4. An upper aluminum plate 7 is rotatably mounted on the bottom of the hollow connecting frame 6 via the rotating shaft 5. A lower aluminum plate 8 is mounted on the bottom of the upper aluminum plate 7. A frame 15 is fixedly mounted on the bottom of the lower aluminum plate 8. Four downward-pressing cylinders 13 are mounted on the frame 15. Four hollow suction tubes 12 are mounted on the four downward-pressing cylinders 13. Multiple suction cup heads 11 are mounted on each of the four hollow suction tubes 12.

[0030] In this embodiment, a plurality of shaft pins 9 are fixedly installed at the bottom of the upper aluminum plate 7, and a plurality of pin grooves 91 are opened at the top of the lower aluminum plate 8, and the shaft pins 9 are adapted to the pin grooves 91.

[0031] In this embodiment, three vacuum pressure gauges 14 are installed on the top of the upper aluminum plate 7. The three vacuum pressure gauges 14 are connected to the hollow suction tube 12 and are used to monitor the negative pressure intensity of the suction head 11 attracting the workpiece.

[0032] In this embodiment, a PVC transparent plate 16 is installed on the inner side of the frame 15 for collecting debris.

[0033] In this embodiment, a slider 17 is fixedly installed on the outer side of the L-shaped arm 1, and a vertical slide rail 18 is installed on the slider 17. The vertical slide rail 18 is an electric lead screw slide rail.

[0034] In this embodiment, the bottom of the L-shaped arm 1 is provided with a DD groove 19, which is adapted to the hollow connecting frame 6.

[0035] In this embodiment, when in use, the power supply and PLC controller are connected for electrical control, which is existing technology and will not be described in detail here. The vertical slide rail 18 drives the L-shaped arm 1 to adjust its height via the slider 17. The suction cup is installed on the L-shaped arm 1 through the DD groove 19 and the hollow connecting frame 6, realizing the height adjustment of the suction cup. The DD groove 19 and the hollow connecting frame 6 are connected by a concave-fit design to improve the connection stability. The servo motor 4 drives the rotating shaft 5 to rotate. The rotation stability is ensured by the support of the hollow connecting frame 6. The rotating shaft 5 drives the lower aluminum plate 8 to rotate through the upper aluminum plate 7. In addition to the screw connection, the upper aluminum plate 7 and the lower aluminum plate 8 are also connected by the engagement of the shaft pin 9 and the pin groove 91, which makes it less likely to loosen and increases stability. The multiple vacuum pressure gauges 14 set up serve as an alarm when the vacuum value is lower than the set range. The PVC transparent plate 16 is used to collect the falling debris.

[0036] Example 2

[0037] The rest of Embodiment 2 is the same as Embodiment 1, except that the bottom of the multiple suction heads 11 is made of silicone material, which increases the contact area when the suction cup is working and improves the attraction force. All structural shapes, sizes and materials of Embodiment 1 are included in this application. In order to meet specific usage, they can be selected and adjusted. The attached drawings are schematic structural diagrams. The actual dimensions can be adjusted appropriately.

[0038] The above description is only a preferred embodiment of this practice, but the scope of protection of this embodiment is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope of the technology disclosed in this embodiment, based on the technical solution and the inventive concept of this embodiment, should be covered within the scope of protection of this embodiment.

Claims

1. A mechanical arm suction cup improvement structure characterized by, Includes an L-shaped arm (1), the interior of which is a hollow structure and a wire guide plate (2) is fixedly installed, the wire guide plate (2) dividing the interior of the L-shaped arm (1) into wire channels (10). A hollow connecting frame (6) is connected to the bottom of an L-shaped arm (1). A servo motor (4) is installed on the hollow connecting frame (6). A rotating shaft (5) is installed on the output shaft of the servo motor (4). An upper aluminum plate (7) is rotatably installed on the bottom of the hollow connecting frame (6) via the rotating shaft (5). A lower aluminum plate (8) is installed on the bottom of the upper aluminum plate (7). A frame (15) is fixedly installed on the bottom of the lower aluminum plate (8). Four lower top cylinders (13) are installed on the frame (15). Four hollow suction tubes (12) are installed on the four lower top cylinders (13). Multiple suction cup heads (11) are installed on each of the four hollow suction tubes (12).

2. The improved suction cup structure for a robotic arm according to claim 1, characterized in that, The bottom of the upper aluminum plate (7) is fixedly equipped with multiple shaft pins (9), and the top of the lower aluminum plate (8) is provided with multiple pin grooves (91). The shaft pins (9) are adapted to the pin grooves (91).

3. The improved suction cup structure for a robotic arm according to claim 1, characterized in that, Three vacuum pressure gauges (14) are installed on the top of the upper aluminum plate (7).

4. The improved suction cup structure for a robotic arm according to claim 1, characterized in that, A PVC transparent panel (16) is installed on the inside of the frame (15).

5. The improved suction cup structure for a robotic arm according to claim 1, characterized in that, A slider (17) is fixedly installed on the outside of the L-shaped arm (1), and a vertical slide rail (18) is installed on the slider (17).

6. The improved structure of the robotic arm suction cup according to claim 1, characterized in that, The bottom of the L-shaped arm (1) is provided with a DD groove (19), which is adapted to the hollow connecting frame (6).

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