Cable drag chain device of industrial robot

Abstract

The utility model relates to the technical field of drag chain devices, and discloses an industrial robot cable drag chain device which comprises a plurality of chain links, the chain links are movably connected in a sleeved mode, a plurality of cables are movably connected in the chain links in a sleeved mode, and the industrial robot cable drag chain device further comprises a stretching assembly used for stretching the chain links. And the stretching assemblies are arranged on the two sides of the chain links, the chain links, cables, connecting columns, fixing holes, moving plates, limiting grooves and limiting plates are used in cooperation, the effect of stretching the adjacent chain links can be achieved, the adjacent chain links are connected by moving the connecting columns, the adjacent cables rotate through supporting holes, and therefore the chain links can be connected conveniently. And the movable plate is pulled through the tension spring, the movable plate can only move transversely, so that the tension spring can only stretch transversely within the elastic range, bending deformation is avoided, fatigue fracture of the tension spring is avoided, the service life of the device is guaranteed, and the device is practical.

Description

Technical Field

[0001] The utility model relates to the technical field of drag chain devices, in particular to a cable drag chain device for an industrial robot. Background Art

[0002] A drag chain is a device used to restrain cables, wires, air pressure pipes and oil pressure pipes so that they can remain stable during rotation and movement. It plays the role of pulling and protecting these pipelines to prevent them from getting entangled, twisted and damaged during movement. Nowadays, with the advancement of technology, industrial automation equipment has been widely used in the manufacturing field, and during the installation process of automation equipment, drag chain cables are required to connect the equipment.

[0003] An existing retractable drag chain cable (Announcement No.: CN217301442U) has at least the following disadvantages:

[0004] In the above patent, a certain buffering effect is achieved when one drag chain link mechanism cooperates with another drag chain link mechanism by setting a limit component and a traction elastic component, but the two ends of the traction elastic component are fixed, so that when the adjacent drag chain link mechanisms bend, the two ends of the traction elastic component move with the drag chain link mechanism, causing the main body of the traction elastic component to bend and deform, and rub against the drag chain link mechanism, which can easily cause fatigue fracture of the traction elastic component, reducing the service life of the device. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an industrial robot cable drag chain device.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A cable drag chain device for an industrial robot includes several chain links, which are movably connected to each other. Several cables are movably connected inside the chain links. The device also includes a stretching assembly for stretching the chain links. The stretching assembly is arranged on both sides of the chain links. The stretching assembly includes: a connecting column, which is fixedly installed on both sides of the chain link.

[0008] As a further scheme of the utility model, the fixed hole is internally movably sleeved with a moving plate, one side of the moving plate is provided with a supporting hole, the supporting hole is movably sleeved with the connecting column, the inner top surface and bottom surface of the fixed hole are respectively provided with a limiting groove, the top surface and bottom surface of the moving plate are respectively fixedly installed with a limiting plate, the limiting plate is movably sleeved with the limiting groove, one side of the moving plate is fixedly installed with a tension spring, one end of the tension spring is fixedly installed with a fixed column, one end of the fixed column is provided with a first threaded hole, the inner circular wall surface of the fixed hole is provided with a fixed groove, the fixed groove is movably sleeved with the fixed column, one side of the inside of the fixed groove is provided with a second threaded hole, the inner circular wall surface of the second threaded hole is threadedly connected with a threaded column, and the threaded column is threadedly connected with the first threaded hole.

[0009] As a further scheme of the utility model, one end of the fixed column is fixedly installed with a supporting pad, and the supporting pad is movably sleeved with the threaded column.

[0010] As a further scheme of the utility model, the inside of the chain link is fixedly sleeved with two reinforcing plates.

[0011] As a further scheme of the utility model, the inner top surface and bottom surface of the chain link are respectively fixedly installed with a protective gasket.

[0012] As a further scheme of the utility model, the inside of the chain link is fixedly installed with a side gasket.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The mutual cooperation of the chain link, the cable, the connecting column, the fixed hole, the moving plate, the limiting groove and the limiting plate can achieve the effect that the adjacent chain links are stretched, the adjacent cables are connected through the moving connecting column, the cables are rotated through the supporting hole, the moving plate is pulled through the tension spring, the moving plate can only move horizontally so that the tension spring can only be horizontally stretched within the elastic range and cannot be bent and deformed, the fatigue fracture of the tension spring is avoided, the service life of the device is guaranteed, and the device is practical. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides an overall structure schematic diagram of an industrial robot cable drag chain device;

[0016] Figure 2 The utility model provides a cable structure schematic diagram of an industrial robot cable drag chain device;

[0017] Figure 3This is a schematic diagram of the connecting column structure of an industrial robot cable drag chain device proposed in the utility model;

[0018] Figure 4 for Figure 2 Schematic diagram of the local structure of A.

[0019] In the figure: 1. Chain link; 2. Cable; 3. Connecting column; 4. Fixing hole; 5. Movable plate; 6. Limiting groove; 7. Limiting plate; 8. Support hole; 9. Tension spring; 10. Fixing column; 11. First threaded hole; 12. Second threaded hole; 13. Threaded column; 14. Fixing groove; 15. Protective gasket; 16. Side gasket; 17. Reinforcement plate; 18. Support pad. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0023] Reference Figures 1-4The utility model provides an industrial robot cable drag chain device, including a plurality of chain links 1, a plurality of chain links 1 are mutually active sleeve joint, the inside active sleeve joint of chain link 1 has a plurality of cables 2, still include the stretching assembly for the stretching between chain link 1, and the stretching assembly is arranged at the both sides of chain link 1, and the stretching assembly includes: connecting column 3, connecting column 3 is fixedly installed at the both sides of chain link 1, and the stretching assembly still includes the fixed hole 4 being opened at the both sides of chain link 1, the inside active sleeve joint of fixed hole 4 moves board 5, and the one side of moving board 5 is opened with support hole 8, and support hole 8 is active sleeve joint with connecting column 3, and the inside top surface and bottom surface of fixed hole 4 are opened with limiting slot 6 respectively, and the top surface and bottom surface of moving board 5 are fixedly installed with limiting plate 7 respectively, and limiting plate 7 is active sleeve joint with limiting slot 6, and the one side of moving board 5 is fixedly installed with pull spring 9, and the one end of pull spring 9 is fixedly installed with fixed column 10, and the one end of fixed column 10 is opened with first threaded hole 11, and the inner circular wall surface of fixed hole 4 is opened with fixed slot 14, and fixed slot 14 is active sleeve joint with fixed column 10, and the inside one side of fixed slot 14 is opened with second threaded hole 12, and the inner circular wall surface of second threaded hole 12 is screw thread connection with threaded column 13, and threaded column 13 is screw thread connection with first threaded hole 11.

[0024] In the embodiment, the one end of fixed column 10 is fixedly installed with support pad 18, support pad 18 is active sleeve joint with threaded column 13, the inside fixed sleeve joint of chain link 1 has two reinforcing plates 17, the inside top surface and bottom surface of chain link 1 are fixedly installed with protection gasket 15 respectively, and the both sides of chain link 1 are fixedly installed with side gasket 16 respectively.

[0025] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: in use, firstly, the cable 2 is connected with the equipment and the power supply after passing through the internal passage of the chain link 1, and then the left and right ends of the chain link 1 are connected with the equipment moving mechanism; thereafter, the equipment moving mechanism is controlled through the external control module, the drag chain device moves along with the equipment moving mechanism, when the chain link 1 needs to be stretched, the chain link 1 drives the connecting column 3 to pull the moving plate 5, and the chain link 1 can rotate in the internal support hole 8, the movement path of the moving plate 5 is limited through the limiting groove 6 and the limiting plate 7, so that it can only move left and right, the fixed column 10 and the threaded column 13 are pulled by the pulling spring 9 pulled by the moving plate 5, thereby, the adjacent cable 2 is pulled through the pulling spring 9 arranged, so that the plurality of chain links 1 can be stretched, at the same time, the pulling spring 9 only stretches horizontally within the elastic range, and does not occur bending deformation and friction with the chain link 1, avoids the breaking of the pulling spring 9, guarantees the service life of the device, and further comprehensively realizes the effect of stretching the adjacent chain link 1, so that the adjacent chain link 1 is connected through the moving connecting column 3, the adjacent cable 2 is rotated through the support hole 8, and the moving plate 5 is pulled through the pulling spring 9, the moving plate 5 can only move horizontally so that the pulling spring 9 only stretches within the elastic range, and does not occur bending deformation, avoids the breaking of the pulling spring 9, guarantees the service life of the device, and is more practical.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An industrial robot cable drag chain device, comprising a plurality of chain links (1), wherein the plurality of chain links (1) are movably connected to each other, and a plurality of cables (2) are movably connected to the interior of the chain links (1), characterized in that: It also includes a stretching assembly for stretching the chain links (1), the stretching assembly being arranged on both sides of the chain link (1), and the stretching assembly comprising: a connecting column (3), the connecting column (3) being fixedly mounted on both sides of the chain link (1).

2. The industrial robot cable drag chain device according to claim 1, characterized in that: The stretching assembly further comprises fixing holes (4) provided on both sides of the chain link (1), wherein the interior of the fixing holes (4) is movably sleeved with a movable plate (5), a support hole (8) is provided on one side of the movable plate (5), and the support hole (8) is movably sleeved with the connecting column (3), and the inner top and bottom surfaces of the fixing holes (4) are respectively provided with limiting grooves (6), and the top and bottom surfaces of the movable plate (5) are respectively fixedly mounted with limiting plates (7), and the limiting plates (7) are movably sleeved with the limiting grooves (6), and one side of the movable plate (5) is fixed. A tension spring (9) is installed, and a fixing column (10) is fixedly installed on one end of the tension spring (9), and a first threaded hole (11) is opened at one end of the fixing column (10), and a fixing groove (14) is opened on the inner circular wall surface of the fixing hole (4), and the fixing groove (14) is movably connected to the fixing column (10), and a second threaded hole (12) is opened on one side of the inner circle of the fixing groove (14), and a threaded column (13) is threadedly connected to the inner circular wall surface of the second threaded hole (12), and the threaded column (13) is threadedly connected to the first threaded hole (11).

3. The industrial robot cable drag chain device according to claim 2, characterized in that: A support pad (18) is fixedly mounted on one end of the fixed column (10), and the support pad (18) is movably sleeved with the threaded column (13).

4. The cable drag chain device for an industrial robot according to claim 1, characterized in that: Two reinforcing plates (17) are fixedly sleeved inside the chain link (1).

5. The cable drag chain device for an industrial robot according to claim 1, characterized in that: Protective gaskets (15) are fixedly mounted on the inner top and bottom surfaces of the chain link (1).

6. The cable drag chain device for an industrial robot according to claim 1, characterized in that: Side gaskets (16) are fixedly mounted on both sides of the interior of the chain link (1).

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