A structural strength enhanced pipe and series of fittings

Abstract

The utility model relates to a kind of structural strength enhanced pipe and series connecting piece, the pipe is hollow round pipe formed by the way of extrusion, and installation groove and bolt mounting hole are equipped on the pipe;Connecting piece is equipped with cylinder connecting hole or pipe connecting hole, for installing cylinder on the above-mentioned round pipe, or the above-mentioned round pipe is connected with other different diameter pipe at different angles. The application increases a model of structural strength enhanced pipe and its corresponding connecting piece in the existing 80 pipe, 50 pipe and 30 pipe and connecting piece system, and the pipe and connecting piece are strongly adaptable by standardized structure design, can be flexibly realized with other pipe combination and cylinder installation, and the standard system is systematically completed, the standard blank is filled, the use of non-standard parts is reduced, one standardized investment is replaced by unlimited non-standard part use, can be mass-produced, also can be cross-scene reuse, which greatly reduces design and processing cost.

Description

Technical Field

[0001] This utility model relates to the field of robotic arm technology, specifically to a structurally strong pipe and a series of connectors. Background Technology

[0002] Industrial robots are mainly used in manufacturing companies for material handling, and are also used in certain specific situations as manufacturing process equipment (such as clamping workpieces, precise gluing, riveting, and positioning welding, which require high positioning accuracy).

[0003] As the entire manufacturing industry places increasingly higher demands on automation and energy conservation, the application of robotic arms is becoming more and more widespread, and the requirements for robotic arms are also becoming more and more stringent (robotic arms must be able to withstand high loads, have high structural stability and lightweight, and be modular for easy and rapid assembly).

[0004] Existing robotic arms are primarily based on European standards, with the main frame consisting of octagonal aluminum alloy tubing (80mm, 50mm, and 30mm) connected to flanges, and parts are clamped via cylinders. However, this technical solution still has shortcomings. In actual design, a large number of non-standard parts are still required, which increases design manpower costs, gripper processing costs, and manufacturing time. Utility Model Content

[0005] This utility model addresses the technical problems existing in the prior art by providing a structurally enhanced pipe and a series of connectors.

[0006] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A structurally enhanced pipe and a series of connectors are disclosed. The pipe is a hollow round tube formed by extrusion and has an installation groove and bolt mounting holes. The connectors are provided with cylinder connection holes or pipe connection holes for installing cylinders on the round tube or connecting the round tube to other pipes of different diameters at different angles.

[0007] The beneficial effects of this utility model are: The standardized structural design makes the pipes and connectors highly adaptable, allowing for flexible combination with other pipes and cylinder installation. It systematically completes the standard system, reduces the use of non-standard parts, and replaces the use of unlimited non-standard parts with a one-time standardized investment. It can also be reused across different scenarios, greatly reducing design and processing costs. At the same time, the extrusion molding process ensures the consistency of the pipe structure and the stability of its strength.

[0008] Furthermore, the outer and inner rings of the pipe are concentric nested circles. The outer ring has a diameter of 40mm, forming a 40mm pipe. Multiple sets of mounting holes are evenly distributed along the circumference of the outer ring. Each set includes multiple bolt mounting holes evenly spaced along the length of the pipe. A mounting groove extending along the length of the pipe is provided between adjacent sets of mounting holes, and several pin holes are evenly spaced within the mounting groove. Weight-reducing holes are provided between the outer and inner rings. The 40mm diameter fills the strength gradient gap between existing 30mm and 50mm pipes. The multiple sets of evenly spaced mounting holes and the pin holes within the mounting groove allow for flexible adjustment of the pipe connection position, adapting to different assembly requirements. The weight-reducing holes further reduce weight without affecting strength, achieving a balance between strength, flexibility, and lightweight design.

[0009] Furthermore, the tubing is made of 6005-T6 aluminum alloy. This material is characterized by high strength, high rigidity, and lightweight, which can reduce the overall weight while ensuring that the tubing structure has sufficient strength to withstand high loads, thus meeting the dual requirements of industrial robots for strength and lightweight design.

[0010] Furthermore, the connector includes an integrally formed first connecting block and a second connecting block. Both the first and second connecting blocks are provided with pipe connection holes. The first connecting block has an arc-shaped groove in the middle that matches a 40mm pipe, and the second connecting block has an arc-shaped or U-shaped mating groove in the middle for accommodating pipes with diameters of 30mm, 40mm, 50mm, or 80mm. The arc-shaped groove of the first connecting block is adapted to a 40mm pipe, and the arc-shaped or U-shaped mating groove of the second connecting block is compatible with various pipes such as 30mm, 40mm, 50mm, and 80mm pipes, greatly improving the versatility of the connector, reducing the need for dedicated connector designs for different pipes, and lowering accessory inventory and costs.

[0011] Furthermore, the openings of the arc-shaped groove and the mating groove are arranged opposite to each other, and the axes of the two grooves form an angle of 45° or 90°. This design allows the 40 tube to be connected with 30, 40, 50, 80 tubes, etc., at a specific angle (crossing at 45° or 90°), meeting the complex spatial layout requirements of the robot and expanding the design flexibility of the gripper structure.

[0012] Furthermore, the arc-shaped groove is perpendicular to the mating groove, and the end face of the side wall of the arc-shaped groove is connected to the bottom wall or side wall of the mating groove. This structure allows the 40mm tube to mate perpendicularly with 30mm, 40mm, 50mm, 80mm, and other types of tubes at a 90° angle.

[0013] Furthermore, the arc-shaped groove is perpendicular to the mating groove, and the side wall end face of the mating groove is connected to the bottom surface of the arc-shaped groove. This structure allows the 40mm tube to mate with the end faces of 30mm, 40mm, 50mm, and 80mm tubes at a 90° angle.

[0014] Furthermore, the connector includes an integrally formed pipe connecting block and a cylinder connecting block. The pipe connecting block has an arc-shaped groove in the middle that matches the 40mm pipe, and the cylinder connecting block has a cylinder connecting hole. The arc-shaped groove of the pipe connecting block ensures a stable connection with the 40mm pipe, and the cylinder connecting hole of the cylinder connecting block allows for direct installation of the cylinder. The integrated structure reduces intermediate connection links, improves the coaxiality and stability of the cylinder-pipe connection, and ensures the accuracy of cylinder operation.

[0015] Furthermore, the connector includes a cylinder mounting block, which has mounting holes and cylinder connection holes that match the 40mm tube. The axis of the mounting hole is parallel or perpendicular to the axis of the cylinder connection hole. The parallel design allows the cylinder and tube to be arranged in the same direction, while the perpendicular design allows the cylinder and tube to be installed perpendicularly to each other. Both methods cover common cylinder installation requirements, making the cylinder layout more flexible and adaptable to different gripping action requirements.

[0016] Furthermore, an arc-shaped clamping arm is connected to the top of the arc-shaped groove. With the support of the arc-shaped clamping arm, the arc-shaped groove can clamp and position the adapted 40 tube. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structural strength-enhanced pipe structure of Embodiment 1 of this utility model; Figures 2 to 4 This is a schematic diagram of the connector structure in Embodiment 2 of this utility model; Figure 5 , 6 This is a schematic diagram of the connecting member structure in Embodiment 3 of this utility model; Figure 7 This is a schematic diagram of the connector structure in Embodiment 4 of this utility model; Figure 8 This is a schematic diagram of the connector structure in Embodiment 5 of this utility model; Figure 9 , Figure 10 This is a schematic diagram of the connecting member structure of Embodiment 6 of this utility model; Figure 11 This is a schematic diagram of the connecting member structure in Embodiment 7 of this utility model; Figure 12 , Figure 13 This is a schematic diagram of the assembly structure of this utility model.

[0018] The attached diagram lists the components represented by each number as follows: 1. 40mm pipe, 2. First connecting block, 3. Second connecting block, 4. Pipe connection hole, 5. Pipe connection block, 6. Cylinder connection block, 7. Cylinder connection hole, 8. Mounting hole, 9. Arc-shaped clamping arm, 10. 50mm pipe, 11. Outer ring, 12. Inner ring, 13. Bolt mounting hole, 14. Mounting groove, 15. Pin hole, 16. Weight reduction hole, 17. Cylinder. Detailed Implementation

[0019] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0020] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0021] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this technology based on the specific circumstances.

[0022] In the description of this application, spatial relation terms such as "below," "under," "below," "below," "above," "over," etc., are used herein to describe the relationship between one element or feature shown in the figures and other elements or features. It should be understood that, in addition to the orientation shown in the figures, spatial relation terms also include different orientations of the device in use and operation. For example, if the device in the figures is flipped, an element or feature described as "below" or "under" or "below" of other elements or features will be oriented "above" other elements or features. Therefore, the exemplary terms "below" and "under" can include both upper and lower orientations. Furthermore, the device may also include other orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptive terms used herein are interpreted accordingly.

[0023] In the description of this application, the term "for example" is used to mean "used as an example, illustration, or description." Any embodiment described as "for example" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to implement and use the present invention. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that the present invention can be implemented without using these specific details. In other instances, well-known structures and processes will not be described in detail to avoid obscuring the description of the present invention with unnecessary detail. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.

[0024] Example 1 like Figure 1 As shown, this embodiment provides a structurally enhanced pipe. The pipe is made of 6005-T6 aluminum alloy, formed into a 1500mm long hollow cylindrical structure through extrusion, and then drilled using machining. The gripper design allows for selectable lengths of 86mm, 101mm, 116mm, 131mm…446mm. In use, the drilled pipe is cut to the required length as needed. Specifically: The outer ring 11 and inner ring 12 of the pipe are concentric nested circles. The outer ring 11 has a diameter of 40mm, forming a 40mm pipe. The outer ring 11 is evenly provided with multiple sets of mounting holes along the circumference. Each set includes multiple bolt mounting holes 13 arranged at equal intervals along the length of the pipe. There is a mounting groove 14 extending along the length of the pipe between two adjacent sets of mounting holes. Several pin holes 15 are arranged at equal intervals in the mounting groove 14. There is a weight reduction hole 16 between the outer ring 11 and the inner ring 12.

[0025] The 6005-T6 aluminum alloy material features high strength, high rigidity, and lightweight characteristics. It can reduce the overall weight while ensuring that the tube structure has sufficient strength to withstand high loads, thus meeting the dual requirements of industrial robots for strength and lightweight.

[0026] The 40mm diameter fills the gap in strength gradient between existing 30mm and 50mm pipes; multiple sets of equally spaced mounting holes and mounting grooves 14 and internal pin holes 15 make the pipe connection position flexible and adjustable to adapt to different assembly requirements; the weight reduction holes 16 further reduce the weight without affecting the strength, achieving a balance between strength, flexibility and lightweight.

[0027] Example 2 This embodiment provides a series of connectors, each with a pipe connection hole 4 and a connecting bolt inside the hole 4, for connecting the aforementioned round pipe to other pipes of different diameters at different angles. Specifically: like Figures 2 to 4 As shown, the connector includes an integrally formed first connecting block 2 and a second connecting block 3. Both the first and second connecting blocks have pipe connection holes 4. The first connecting block 2 has an arc-shaped groove in the middle that matches a 40mm pipe, and the second connecting block 3 has an arc-shaped or U-shaped mating groove in the middle for accommodating pipes with diameters of 30mm, 40mm, 50mm, or 80mm. The arc-shaped groove of the first connecting block 2 is adapted to a 40mm pipe, and the arc-shaped or U-shaped mating groove of the second connecting block 3 is compatible with various pipe materials such as 30mm, 40mm, 50mm, and 80mm pipes, significantly improving the connector's versatility, reducing the need for dedicated connector designs for different pipe materials, and lowering accessory inventory and costs.

[0028] In this embodiment, the openings of the arc-shaped groove and the mating groove are arranged opposite to each other, and the axes of the two grooves form a 45° angle (e.g., Figure 2 , Figure 3 (as shown) or a 90° angle (such as) Figure 4 (As shown). This design allows the 40 tube to be connected to 30, 40, 50, and 80 tubes at specific angles (crossing at 45° or 90°), meeting the complex spatial layout requirements of the robot and expanding the design flexibility of the gripper structure.

[0029] Example 3 It is basically the same as Example 2, except that: like Figure 5 , Figure 6 As shown, the arc-shaped groove of the first connecting block 2 is perpendicular to the mating groove of the second connecting block 3, and the side wall end face of the arc-shaped groove is perpendicular to the bottom wall of the mating groove (e.g., Figure 5 (as shown) or sidewall (as shown) Figure 6 (As shown) Connection. This structure allows the 40 tube to be fitted perpendicularly at 90° with 30, 40, 50, 80, etc.

[0030] Example 4 It is basically the same as Example 2, except that: like Figure 7 As shown, the arc-shaped groove of the first connecting block 2 is perpendicular to the mating groove of the second connecting block 3, and the side wall end face of the mating groove is connected to the bottom surface of the arc-shaped groove. This structure allows the 40 tube to mate with the end faces of 30 tubes, 40 tubes, 50 tubes, 80 tubes, etc. at a 90° angle.

[0031] Example 5 This embodiment provides a series of connectors, each equipped with a cylinder connection hole 7 for mounting a cylinder on the aforementioned circular tube. Specifically: like Figure 8As shown, the connector includes an integrally formed pipe connecting block 5 and a cylinder connecting block 6. The pipe connecting block 5 has an arc-shaped groove in the middle that matches the 40mm pipe, and a pipe connecting hole 4 is provided on the arc-shaped groove. The cylinder connecting block 6 has a cylinder connecting hole 7. The arc-shaped groove of the pipe connecting block 5 ensures a stable connection with the 40mm pipe, and the cylinder connecting hole 7 of the cylinder connecting block 6 allows for direct installation of the cylinder. The integrated structure reduces intermediate connection links, improves the coaxiality and stability of the cylinder and pipe connection, and ensures the accuracy of cylinder operation.

[0032] Example 6 It is basically the same as Example 5, except that: like Figure 9 , Figure 10 As shown, the connector integrates the pipe connecting block and the cylinder connecting block into a single structure, forming a separate cylinder mounting block. The cylinder mounting block has mounting holes 8 and cylinder connecting holes 7 that match the 40mm pipe. The axis of the mounting hole 8 is parallel to the axis of the cylinder connecting hole 7 (e.g., ...). Figure 9 (as shown) or vertical (as shown) Figure 10 (As shown). The parallel design allows the cylinder and pipe to be arranged in the same direction, while the vertical design allows the cylinder and pipe to be installed perpendicularly to opposite sides. Both methods cover common cylinder installation requirements, making the cylinder layout more flexible, adaptable to different gripping action requirements, and simple in structure.

[0033] Example 7 The embodiments described above are basically the same, except that: like Figure 11 As shown, an arc-shaped clamping arm 9 is bolted to the top of the arc-shaped groove. The arc-shaped groove is supported by the arc-shaped clamping arm 9, which can clamp and position the matching 40 tube.

[0034] The assembly of the above-mentioned pipes and connectors is as follows: Figure 12 , Figure 13As shown, this application adds a new type of pipe (40 pipe) and its corresponding connector to the existing 80, 50, and 30 pipe and connector system. Through standardized structural design, the pipe and connector are highly adaptable, allowing for flexible combination with other pipe types and cylinder installation (directly compatible with 80, 50, and 30 pipes and standard cylinders). This systematically completes the standard system, fills standard gaps, reduces the use of non-standard parts, and overcomes the shortcomings of existing technologies where non-standard parts are one-time use, fragmented, and non-reusable (for example, to adapt to the transition connection between 30 and 50 pipes, a special flange needs to be designed separately; these components are designed for a single scenario and cannot be migrated to other gripper structures, and each new requirement requires redesign and verification). Replacing unlimited use of non-standard parts with a single standardized investment allows for mass production and cross-scenario reuse, significantly reducing design and processing costs; simultaneously, the extrusion molding process ensures the consistency and strength stability of the pipe structure.

[0035] While embodiments or examples of this disclosure have been described with reference to the accompanying drawings, it should be understood that the above embodiments are merely exemplary embodiments or examples, and the scope of this utility model is not limited by these embodiments or examples, but only by the granted claims and their equivalents. Various elements in the embodiments or examples may be omitted or replaced by their equivalents. Furthermore, the steps may be performed in a different order than that described in this disclosure. Further, various elements in the embodiments or examples may be combined in various ways. Importantly, as the technology evolves, many elements described herein can be replaced by equivalents that appear after this disclosure.

Claims

1. A structurally reinforced pipe and a series of connectors, characterized in that, The tube is a hollow round tube formed by extrusion, and the tube is provided with an installation groove and bolt mounting holes; the connector is provided with a cylinder connection hole or a tube connection hole, for installing a cylinder on the round tube, or connecting the round tube to other tubes of different diameters at different angles.

2. The structurally reinforced pipe and series of connectors according to claim 1, characterized in that, The outer and inner rings of the pipe are concentric nested circles. The outer ring has a diameter of 40mm, forming a 40mm pipe. The outer ring is evenly distributed with multiple sets of mounting holes along the circumference. Each set includes multiple bolt mounting holes evenly spaced along the length of the pipe. Between two adjacent sets of mounting holes, there is a mounting groove extending along the length of the pipe. Several pin holes are evenly spaced in the mounting groove. There are weight reduction holes between the outer and inner rings.

3. The structurally reinforced pipe and series of connectors according to claim 1, characterized in that, The pipe is made of 6005-T6 aluminum alloy.

4. The structurally reinforced pipe and series of connectors according to claim 1, characterized in that, The connector includes an integrally formed first connecting block and a second connecting block. Both the first and second connecting blocks are provided with pipe connection holes. The first connecting block has an arc-shaped groove in the middle that matches the 40mm pipe. The second connecting block has an arc-shaped or U-shaped mating groove in the middle for mating with pipes with diameters of 30mm, 40mm, 50mm or 80mm.

5. The structurally reinforced pipe and series of connectors according to claim 4, characterized in that, The arc-shaped groove and the mating groove have their openings facing away from each other, and the axes of the two grooves form an angle of 45° or 90°.

6. The structurally reinforced pipe and series of connectors according to claim 4, characterized in that, The arc-shaped groove is perpendicular to the mating groove, and the end face of the side wall of the arc-shaped groove is connected to the bottom wall or side wall of the mating groove.

7. The structurally reinforced pipe and series of connectors according to claim 4, characterized in that, The arc-shaped groove is perpendicular to the mating groove, and the side wall end face of the mating groove is connected to the bottom surface of the arc-shaped groove.

8. The structurally reinforced pipe and series of connectors according to claim 1, characterized in that, The connector includes an integrally formed pipe connecting block and a cylinder connecting block. The pipe connecting block has an arc-shaped groove in the middle that matches the 40mm pipe, and the cylinder connecting block has a cylinder connecting hole.

9. The structurally reinforced pipe and series of connectors according to claim 1, characterized in that, The connector includes a cylinder mounting block, which has mounting holes and cylinder connection holes that match the 40 tube. The axis of the mounting hole is parallel or perpendicular to the axis of the cylinder connection hole.

10. A structurally reinforced pipe and a series of connectors according to any one of claims 4 to 8, characterized in that, An arc-shaped clamping arm is connected to the top of the arc-shaped groove.

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