Mechanical arm chassis structure convenient to replace

Abstract

The utility model discloses a mechanical arm chassis structure convenient to replace, which belongs to the technical field of mechanical arms, and is characterized in that the mechanical arm chassis structure comprises a pan-tilt chassis, six corners of the bottom of the pan-tilt chassis are fixedly connected with supporting rods, and the supporting rods are fixedly connected with the supporting rods. By arranging the holder chassis, the supporting rod, the positioning hole, the machine plate, the bearing disc, the mutual suction assembly, the mechanical arm body, the connecting pipe, the pull disc and the connecting assembly, the bearing disc connected with and bearing the mechanical arm body is arranged at the top of the holder chassis; in the process, mutual attraction assemblies located at the top of the holder chassis and the bottom of the bearing disc are supported and connected in a magnetic attraction mode in an auxiliary mode, then the pull disc is held by hand, and a connecting pipe at the bottom of the pull disc sequentially penetrates through the top of the bearing disc and the top of the holder chassis and then is inserted into a supporting rod at the bottom of the holder chassis; and meanwhile, the positioning column located on the front side of the interior of the connecting pipe can be extruded when entering the supporting rod, so that the telescopic rod and the spring on the rear side of the positioning column are compressed.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm chassis structure which is easy to replace. Background Art

[0002] The robotic arm is the earliest industrial robot and also the earliest modern robot. It can replace heavy human labor to realize mechanization and automation of production, and can operate in harmful environments to protect personal safety. Therefore, it is widely used in machinery manufacturing, metallurgy, electronics, light industry, atomic energy and other departments. With the advancement of modern technology, robots are widely used in our daily lives.

[0003] At present, a Chinese utility model with announcement number: CN211491618U discloses a limiting structure of a robot arm chassis. This utility model discloses a limiting structure of a robot arm chassis. The limiting structure of the robot arm chassis includes a rotating disc, which can rotate clockwise or counterclockwise around an axis; a rotating servo, which controls the rotating disc to rotate; and a limiting component, which is used to limit the rotating disc to rotate at a certain angle to prevent the rotating disc from excessively rotating in the same direction, causing the connecting wires to become tangled or even broken. This utility model has a simple structure and high practicality.

[0004] The existing robotic arm and the robotic arm chassis are generally fixedly connected by bolts, which means that when the chassis of the robotic arm is replaced, it is necessary to use tools such as wrenches or electric wrenches to remove the screws, and then remove the robotic arm from the chassis, which makes the overall disassembly speed poor, thereby affecting the efficiency of subsequent replacement of the robotic arm chassis. Therefore, a robotic arm chassis structure that is easy to replace is proposed to solve the above-mentioned problems. Utility Model Content

[0005] The utility model provides a mechanical arm chassis structure that is easy to replace, aiming to solve the problem that the existing mechanical arm and the mechanical arm chassis are generally directly fixedly connected by bolts, which results in the need to use tools such as wrenches or electric wrenches to remove the screws when replacing the chassis of the mechanical arm, and then remove the mechanical arm from the chassis, resulting in poor overall disassembly speed, which in turn affects the efficiency of subsequent replacement of the mechanical arm chassis.

[0006] The utility model is realized in this way, a mechanical arm chassis structure that is easy to replace includes a pan-tilt chassis, the pan-tilt chassis, the hexagonal bottom of the pan-tilt chassis is fixedly connected to a support rod, the interior of the support rod is a cavity, the outer side of the support rod is opened with a positioning hole, the bottom of the support rod is provided with an organic board, the top of the bottom of the support rod is plugged into the top of the machine board, the top of the pan-tilt chassis is provided with a carrying plate, the carrying plate and the pan-tilt chassis are provided with a mutual suction component, the top of the carrying plate is fixedly connected to the mechanical arm body, the hexagonal top of the carrying plate is provided with a connecting tube, the bottom of the connecting tube sequentially passes through the carrying plate and the top of the pan-tilt chassis, the bottom of the connecting tube is plugged into the inner side of the top of the support rod, the top of the connecting tube is fixedly connected with a pull plate, the bottom side of the connecting tube is provided with a connecting component, the connecting component passes through the front side of the connecting tube and is clamped in the interior of the positioning hole;

[0007] The connecting assembly includes a telescopic rod, a positioning column and a spring. The telescopic rod is fixedly connected to the bottom of the rear side of the connecting tube, the positioning column is fixedly connected to the front side of the telescopic rod, the front side of the positioning column passes through the front side of the connecting tube, the spring is sleeved on the outside of the telescopic rod, the rear side of the spring contacts the rear side of the connecting tube, and the front side of the spring is located on the rear side of the positioning column.

[0008] In order to further enhance the effect of auxiliary support and connection reinforcement when the gimbal chassis is connected or disassembled with its carrying plate, a mechanical arm chassis structure that is easy to replace is preferred in the utility model. The mutual attraction component includes a magnetic block and a magnet block. The magnetic block is fixedly connected to the hexagonal corner on the top of the gimbal chassis, and the magnet block is fixedly connected to the hexagonal corner on the bottom of the carrying plate. The magnet block is magnetically connected to the magnetic block.

[0009] In order to further improve the effect of traction when the connecting tube is inserted into the support rod, as a preferred structure of a mechanical arm chassis that is easy to replace in the utility model, a traction sleeve is provided on the outer side of the connecting tube, and the traction sleeve is respectively bonded to the hexagonal corner on the top of the pan-tilt chassis.

[0010] In order to achieve the effect of reinforcing the connecting tube when it is inserted into the support rod, as a preferred mechanical arm chassis structure that is easy to replace in the utility model, a groove is provided at the bottom of the outer side of the connecting tube, a rubber sleeve is embedded in the groove, and the outer side of the rubber sleeve contacts the inner wall of the support rod.

[0011] In order to further enhance the friction reinforcement effect when the rubber sleeve contacts the inner wall of the support rod, as a preferred embodiment of the utility model of an easily replaceable robot arm chassis structure, the outer side of the rubber sleeve is provided with reinforcement lines, and the reinforcement lines are in the shape of lines.

[0012] In order to facilitate the user to pull the pull plate for use, as a preferred structure of a mechanical arm chassis that is easy to replace in the utility model, a protrusion is fixedly connected to the outer side of the pull plate, and the protrusion is semicircular in shape.

[0013] In order to further enhance the anti-skid performance of the protrusions when in use, as a preferred embodiment of the present invention, a mechanical arm chassis structure that is easy to replace has anti-skid patterns on the outer side of the protrusions, and the anti-skid patterns are in a grid shape.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The mechanical arm chassis structure which is easy to replace is provided with a pan head chassis, a support rod, a positioning hole, a machine plate, a bearing plate, a mutual suction component, a mechanical arm body, a connecting pipe, a pull plate and a connecting component, and the bearing plate connected to the mechanical arm body is placed on the top of the pan head chassis. During this process, the mutual suction components located at the top of the pan head chassis and the bottom of the bearing plate are assisted in support and connection by magnetic suction, and then the pull plate is held and the connecting pipe at the bottom is passed through the bearing plate and the top of the pan head chassis in turn, and then inserted into the support rod at the bottom of the pan head chassis, and at the same time, the positioning column located at the front side of the connecting tube is squeezed when entering the support rod, so that the telescopic rod and the spring at the rear side of the positioning column are compressed, and then When the positioning column is moved to the position of the positioning hole, it is pushed into the positioning hole under the elastic force of its spring, so that the connecting tube is fixed inside the support rod and the bottom of the pull plate contacts the top of the carrying plate, thereby realizing the installation of the carrying plate carrying the robotic arm body and the pan-tilt chassis. When the pan-tilt chassis of the robotic arm body needs to be replaced later, it is only necessary to press the positioning column inside the positioning hole to make the positioning column return pressure spring and the telescopic rod, and then synchronously pull the pull plate to pull the connecting tube out of the support rod, so that the carrying plate carrying the robotic arm body is separated from the pan-tilt chassis, thereby increasing the disassembly speed and facilitating the replacement and use of the pan-tilt chassis. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an overall structural diagram of the easily replaceable mechanical arm chassis structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the pan / tilt chassis and the bearing plate in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the support rod and the connecting pipe in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the connection assembly in the utility model;

[0020] Figure 5It is a structural schematic diagram of the support rod in the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the pull plate in the utility model;

[0022] Figure 7 It is a structural schematic diagram of the mutual suction component in the utility model.

[0023] In the figure, 1. pan-tilt chassis; 2. support rod; 3. positioning hole; 4. machine board; 5. carrying plate; 6. mutual attraction component; 601. magnetic block; 602. magnet block; 7. robot arm body; 8. connecting pipe; 9. pull plate; 10. connecting component; 1001. telescopic rod; 1002. positioning column; 1003. spring; 11. traction sleeve; 12. embedding groove; 13. rubber sleeve; 14. bump. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] See also Figure 1-7The utility model provides a technical solution: a mechanical arm chassis structure that is easy to replace, including a pan-tilt chassis 1, a pan-tilt chassis 1, the hexagons at the bottom of the pan-tilt chassis 1 are fixedly connected with a support rod 2, the interior of the support rod 2 is a cavity, a positioning hole 3 is opened on the outside of the support rod 2, an organic board 4 is arranged at the bottom of the support rod 2, the top of the bottom of the support rod 2 is plugged with the top of the machine board 4, a carrying plate 5 is arranged on the top of the pan-tilt chassis 1, a mutual suction component 6 is arranged between the carrying plate 5 and the pan-tilt chassis 1, a mechanical arm body 7 is fixedly connected to the top of the carrying plate 5, and a connecting pipe 8 is arranged on the hexagons at the top of the carrying plate 5. The bottom of the connecting pipe 8 passes through the carrying plate 5 and the top of the pan-tilt chassis 1 in turn, the bottom of the connecting pipe 8 is plugged into the inner side of the top of the support rod 2, and the top of the connecting pipe 8 is fixedly connected with a pull plate 9, and a connecting component 10 is arranged on the bottom side of the connecting pipe 8, and the connecting component 10 passes through the front side of the connecting pipe 8 and is clamped in the interior of the positioning hole 3;

[0027] The connecting assembly 10 includes a telescopic rod 1001, a positioning column 1002 and a spring 1003. The telescopic rod 1001 is fixedly connected to the bottom of the rear side of the connecting tube 8, the positioning column 1002 is fixedly connected to the front side of the telescopic rod 1001, the front side of the positioning column 1002 passes through the front side of the connecting tube 8, the spring 1003 is sleeved on the outside of the telescopic rod 1001, the rear side of the spring 1003 contacts the rear side of the connecting tube 8, and the front side of the spring 1003 is located on the rear side of the positioning column 1002.

[0028] In this embodiment: by setting the pan / tilt chassis 1, support rod 2, positioning hole 3, machine plate 4, bearing plate 5, mutual suction component 6, mechanical arm body 7, connecting pipe 8, pull plate 9 and connecting component 10, the bearing plate 5 connected to the mechanical arm body 7 is placed on the top of the pan / tilt chassis 1. During this process, the mutual suction component 6 located at the top of the pan / tilt chassis 1 and the bottom of the bearing plate 5 is assisted in support and connection by magnetic attraction. Then, the pull plate 9 is held to pass the connecting pipe 8 at the bottom through the bearing plate 5 and the top of the pan / tilt chassis 1 in turn, and then inserted into the support rod 2 at the bottom of the pan / tilt chassis 1. At the same time, the positioning column 1002 located at the front side of the connecting tube 8 will be squeezed when entering the support rod 2, so that the telescopic rod 1001 and the spring 1003 on the rear side of the positioning column 1002 are compressed. When 1002 is moved to the position of the positioning hole 3, it is pushed into the inside of the positioning hole 3 under the elastic force of its spring 1003, so that its connecting tube 8 is fixed inside the support rod 2, and the bottom of the pull plate 9 is in contact with the top of the supporting plate 5, thereby realizing the installation of the supporting plate 5 carrying the mechanical arm body 7 and its pan-tilt chassis 1. When the pan-tilt chassis 1 of its mechanical arm body 7 needs to be replaced later, it is only necessary to press the positioning column 1002 located inside the positioning hole 3 so that the positioning column 1002 returns the spring 1003 and the telescopic rod 1001, and then synchronously pull the pull plate 9 to pull its connecting tube 8 out of the inside of the support rod 2, so that the supporting plate 5 carrying the mechanical arm body 7 is separated from its pan-tilt chassis 1, thereby improving the disassembly speed and facilitating the replacement and use of its pan-tilt chassis 1.

[0029] As a technical optimization solution of the utility model, the mutual attraction component 6 includes a magnetic block 601 and a magnet block 602. The magnetic block 601 is fixedly connected to the hexagonal corner at the top of the gimbal chassis 1, and the magnet block 602 is fixedly connected to the hexagonal corner at the bottom of the supporting plate 5. The magnet block 602 is magnetically connected to the magnetic block 601.

[0030] In this embodiment: by setting up a magnetic block 601 and a magnet block 602, the carrying plate 5 connected to the robot arm body 7 is placed on the top of the gimbal chassis 1, so that the magnetic block 601 located on the top of the gimbal chassis 1 and the magnet block 602 at the bottom of the carrying plate 5 are connected in a magnetic manner, and the carrying plate 5 is used for auxiliary support.

[0031] As a technical optimization solution of the utility model, a traction sleeve 11 is provided on the outer side of the connecting pipe 8 , and the traction sleeve 11 is respectively bonded to the hexagonal corners on the top of the pan / tilt chassis 1 .

[0032] In this embodiment, by providing the traction sleeve 11, the effect of traction when the connecting tube 8 is inserted into the support rod 2 can be further improved, so as to facilitate use.

[0033] As a technical optimization solution of the utility model, an embedding groove 12 is opened at the bottom of the outer side of the connecting pipe 8, and a rubber sleeve 13 is embedded in the embedding groove 12. The outer side of the rubber sleeve 13 contacts the inner wall of the support rod 2.

[0034] In this embodiment, by providing the embedding groove 12 and the rubber sleeve 13 , it is possible to realize that when the connecting pipe 8 is lifted and inserted into the support rod 2 , it contacts the inner wall of the support rod 2 through the rubber sleeve 13 , thereby being reinforced under the support of the rubber sleeve 13 .

[0035] As a technical optimization solution of the present invention, the outer side of the rubber sleeve 13 is provided with reinforcement lines, and the reinforcement lines are in the shape of lines.

[0036] In this embodiment, by providing a line-shaped reinforcement pattern on the outside of the rubber sleeve 13 , the friction reinforcement effect when the rubber sleeve 13 contacts the inner wall of the support rod 2 can be further enhanced.

[0037] As a technical optimization solution of the present utility model, a convex block 14 is fixedly connected to the outer side of the pull plate 9, and the convex block 14 is semicircular in shape.

[0038] In this embodiment, by providing the protrusion 14, it is possible to facilitate the user to pull the pull plate 9 for use, thereby facilitating use.

[0039] As a technical optimization solution of the present invention, the outer side of the protrusion 14 is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.

[0040] In this embodiment, a grid-shaped anti-skid pattern is provided on the outer side of the protrusion 14, so as to further improve the anti-skid performance of the protrusion 14 when in use, so as to facilitate use.

[0041] Working principle: First, place the carrier plate 5 connected to the robot arm body 7 on the top of the pan-tilt chassis 1 so that the magnetic block 601 on the top of the pan-tilt chassis 1 is connected to the magnet block 602 on the bottom of the carrier plate 5 in a magnetic attraction manner, and use the carrier plate 5 for auxiliary support. Then, hold the pull plate 9 to pass the connecting tube 8 at the bottom through the carrier plate 5 and the top of the pan-tilt chassis 1 in turn, and then insert it into the support rod 2 at the bottom of the pan-tilt chassis 1. At the same time, the positioning column 1002 on the front side of the connecting tube 8 will be squeezed when entering the support rod 2, so that the telescopic rod 1001 and the spring 1003 on the rear side of the positioning column 1002 are compressed. Then, when the positioning column 1002 is moved to the position of the positioning hole 3, the spring 1003 is compressed. Under the action of the elastic force of the spring 1003, it is pushed into the interior of the positioning hole 3, so that the connecting tube 8 is fixed inside the support rod 2, and the bottom of the pull plate 9 is in contact with the top of the supporting plate 5, thereby realizing the installation of the supporting plate 5 carrying the mechanical arm body 7 and its pan-tilt chassis 1. When the pan-tilt chassis 1 of the mechanical arm body 7 needs to be replaced later, it is only necessary to press the positioning column 1002 located inside the positioning hole 3 so that the positioning column 1002 returns the spring 1003 and the telescopic rod 1001, and then synchronously pull the pull plate 9 to pull the connecting tube 8 out of the interior of the support rod 2, so that the supporting plate 5 carrying the mechanical arm body 7 is separated from the pan-tilt chassis 1, thereby improving the disassembly speed and facilitating the replacement and use of the pan-tilt chassis 1.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mechanical arm chassis structure that is easy to replace, comprising a pan / tilt chassis (1), characterized in that: The pan-tilt chassis (1) is provided with a support rod (2) fixedly connected to each of the hexagonal portions at the bottom of the pan-tilt chassis (1); the interior of the support rod (2) is a cavity; a positioning hole (3) is provided on the outer side of the support rod (2); an organic board (4) is provided at the bottom of the support rod (2); the top of the bottom of the support rod (2) is plugged into the top of the machine board (4); a bearing plate (5) is provided at the top of the pan-tilt chassis (1); an inter-attracting component (6) is provided between the bearing plate (5) and the pan-tilt chassis (1); the top of the bearing plate (5) is fixedly A mechanical arm body (7) is connected, and the hexagonal corners on the top of the carrying plate (5) are all provided with connecting tubes (8), the bottom of the connecting tube (8) passes through the top of the carrying plate (5) and the pan-tilt chassis (1) in sequence, the bottom of the connecting tube (8) is plugged into the inner side of the top of the support rod (2), the top of the connecting tube (8) is fixedly connected with a pull plate (9), and the bottom side of the connecting tube (8) is provided with a connecting component (10), and the connecting component (10) passes through the front side of the connecting tube (8) and is clamped in the inside of the positioning hole (3); The connecting assembly (10) comprises a telescopic rod (1001), a positioning column (1002) and a spring (1003); the telescopic rod (1001) is fixedly connected to the bottom of the rear side of the connecting tube (8); the positioning column (1002) is fixedly connected to the front side of the telescopic rod (1001); the front side of the positioning column (1002) penetrates the front side of the connecting tube (8); the spring (1003) is sleeved on the outside of the telescopic rod (1001); the rear side of the spring (1003) contacts the rear side of the connecting tube (8); and the front side of the spring (1003) is located on the rear side of the positioning column (1002).

2. The easily replaceable mechanical arm chassis structure according to claim 1, characterized in that: The mutually attracting component (6) comprises a magnetic block (601) and a magnet block (602), wherein the magnetic block (601) is fixedly connected to the hexagonal portion at the top of the pan / tilt chassis (1), and the magnet block (602) is fixedly connected to the hexagonal portion at the bottom of the carrier plate (5), and the magnet block (602) is magnetically connected to the magnetic block (601).

3. The easily replaceable mechanical arm chassis structure according to claim 1, characterized in that: The outer side of the connecting pipe (8) is provided with a traction sleeve (11), and the traction sleeve (11) is respectively bonded to the hexagonal corners on the top of the pan / tilt chassis (1).

4. The easily replaceable mechanical arm chassis structure according to claim 3, characterized in that: The bottom of the outer side of the connecting pipe (8) is provided with an embedding groove (12), a rubber sleeve (13) is embedded in the embedding groove (12), and the outer side of the rubber sleeve (13) contacts the inner wall of the support rod (2).

5. The easily replaceable mechanical arm chassis structure according to claim 4, characterized in that: The outer side of the rubber sleeve (13) is provided with reinforcement lines, and the reinforcement lines are in the shape of lines.

6. The easily replaceable mechanical arm chassis structure according to claim 1, characterized in that: A convex block (14) is fixedly connected to the outer side of the pull plate (9), and the convex block (14) is semicircular in shape.

7. The easily replaceable mechanical arm chassis structure according to claim 6, characterized in that: The outer side of the protrusion (14) is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.

Images