Truss assembly for robot
By incorporating a lubrication and collection device into the robot gantry assembly, the rollers are automatically lubricated and the lubricating oil is recycled, solving the problems of roller rust and lubricating oil waste, and improving motion accuracy and work efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-04-14
AI Technical Summary
In existing robot gantry components, rollers are prone to rust, which increases friction, reduces motion accuracy and flexibility, and lubrication methods are time-consuming, labor-intensive, and wasteful of lubricating oil.
A lubrication and collection device is installed in the truss assembly. The rollers are automatically lubricated and the lubricating oil is recovered through a lubricating oil tank, a guide pipe and a piston ball system. The lubricating oil tank provides lubricating oil to the roller surface through the guide pipe, the wiping block is evenly lubricated, and the collection device recovers the excess lubricating oil.
It reduces the probability of roller rust, reduces friction, improves motion precision and flexibility, ensures work efficiency, and reduces lubricant waste.
Smart Images
Figure CN224116162U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of truss components for robots, and specifically to a truss component for robots. Background Technology
[0002] Truss assemblies are structural support systems widely used in robotics, automated equipment, and robotic arms, primarily providing stable frames and support structures. Truss assemblies are typically made of multiple lightweight metal materials, which are combined using connectors to form a frame structure with good strength and rigidity.
[0003] When the robot body is installed and fixed on the truss body for use, it is usually mounted on a slide. Then, according to the usage requirements, the drive mechanism inside the slide is activated, which drives the rollers to slide in the inner wall of the truss body. This allows the robot body to slide back and forth on the truss body to adjust its operating position.
[0004] This leads to:
[0005] On the one hand, after long-term use, the surface of the roller is prone to aging and rusting. The rough surface of the roller will increase the friction between it and the inner wall of the truss body when it moves, which will increase the sliding resistance, affect the smooth movement of the robot body on the truss, reduce the movement accuracy and flexibility of the robot body, and may even reduce the movement speed, thus affecting work efficiency.
[0006] On the other hand, existing lubrication methods often involve adding lubricating oil initially and then adding more lubricating oil after a certain cycle time. This is time-consuming and labor-intensive, and it cannot guarantee that the timing of adding lubricating oil is compatible with the robot's sliding process.
[0007] At the same time, the process of adding lubricating oil can easily lead to its waste.
[0008] Therefore, there is an urgent need to provide a new solution to address the defects and shortcomings of the existing technologies. Utility Model Content
[0009] In order to overcome the defects and shortcomings of the existing technology, this utility model provides a truss assembly for robots.
[0010] The technical solution adopted by this utility model to solve its technical problem is:
[0011] A truss assembly for a robot includes a truss body and a slide, wherein the slide is slidably connected to the inner wall of the truss body via a plurality of rollers rotatably mounted on both sides of the top. The truss body is characterized by having a lubrication device inside, which provides lubricating oil to the rollers, and a collection device inside, which recovers the lubricating oil.
[0012] As a further preferred embodiment of this utility model, the lubrication device includes a lubricating oil tank, the top of the truss body has several circular holes extending into the inner wall of the truss body, several guide pipes are installed through one side of the lubricating oil tank, the top end of the guide pipe is inserted into the inner wall of the circular hole, and the inside of the guide pipe is connected to the inside of the circular hole; a bracket is fixedly installed in the inner wall of the guide pipe, and a piston ball capable of moving up and down relative to the bracket is installed at the bottom of the bracket.
[0013] As a further preferred embodiment of the present invention, the lubrication device further includes a telescopic rod, the fixed end of which is fixedly connected to a bracket, and the movable end of which is fixedly connected to a piston ball, the movable end being capable of vertical and horizontal movement relative to the fixed end.
[0014] As a further preferred embodiment of the present invention, a first elastic element is sleeved on the outer periphery of the telescopic rod, and the two ends of the first elastic element are fixedly connected to the bracket and the piston ball, respectively.
[0015] As a further preferred embodiment of the present invention, the outer wall of the piston ball is adapted to the inner wall of the guide tube. When the piston ball is in a low position, it can block the guide tube. When the piston ball is in a high position, it can expose the bottom end of the guide tube through a gap.
[0016] As a further preferred embodiment of the present invention, one end of the guide tube has a trapezoidal cross-section, and the trapezoidal end of the guide tube is positioned away from the lubricating oil tank.
[0017] As a further preferred embodiment of the present invention, a plurality of wiping blocks are fixedly installed on one side of the inner wall of the truss body, and the plurality of wiping blocks and the circular holes are arranged intermittently.
[0018] As a further preferred embodiment of the present invention, a limiting mechanism is provided between two adjacent lubricating oil tanks. The limiting mechanism includes a screw hole block, and the two sides of the screw hole block are respectively fixedly connected to the two lubricating oil tanks on both sides. Threaded grooves are symmetrically opened at both ends of the truss body, and bolts are helically inserted into the inner walls of the screw hole block and the threaded groove.
[0019] As a further preferred embodiment of the present invention, the collecting device is disposed on the inner wall of the truss body away from the circular hole. The collecting device includes a collecting box. A rectangular hole is opened on one side of the inner wall of the truss body. The collecting box is inserted and installed in the inner wall of the rectangular hole. A filter screen is fixedly installed on the inner wall of the rectangular hole and at the top of the collecting box. A limiting rod is rotatably installed inside the truss body. The end of the limiting rod can abut against one side of the collecting box.
[0020] As a further preferred embodiment of this utility model, a second elastic element is sleeved on the outer periphery of the rotating shaft of the limiting rod, and the two ends of the second elastic element are fixedly connected to the limiting rod and the truss body, respectively.
[0021] Compared with the prior art, the beneficial effects achieved by this utility model include:
[0022] 1) This utility model provides a truss assembly for a robot. By setting a lubrication device, lubricating oil can be injected into the interior of the lubricating oil tank from the inlet. When the robot body fixed to the slide slides relative to the truss body through the rollers, the surface of the rollers can be lubricated and maintained by the lubricating oil inside the lubricating oil tank. This reduces the probability of corrosion and rust on the surface of the rollers, reduces the friction between the rollers and the inner wall of the truss body, improves the motion accuracy and flexibility of the robot body, and ensures work efficiency.
[0023] 2) This utility model provides a truss assembly for a robot. A bracket is fixedly installed in the inner wall of the guide tube. A piston ball that can move up and down relative to the bracket is installed at the bottom of the bracket. When the robot body fixed to the slide slides relative to the truss body through the roller, the outer surface of the roller will abut against and push the piston ball upward, causing the first elastic element to contract, so that a gap is exposed at the outlet of one end of the guide tube. The lubricating oil inside the lubricating oil tank will overflow from the gap and fall onto the surface of the roller for lubrication and maintenance. This makes the timing of adding lubricating oil match the sliding process of the robot, and provides the corresponding lubricating oil during the sliding process.
[0024] 3) This utility model provides a gantry assembly for robots. By setting up a collection device, lubricating oil that falls into the collection box can be collected, which facilitates recycling and reduces the waste of lubricating oil. Attached Figure Description
[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0026] Figure 1 This is a schematic diagram of the structure of this utility model.
[0027] Figure 2 This is a three-dimensional structural diagram of the collection box of this utility model;
[0028] Figure 3 This is a three-dimensional structural diagram of the truss main body of this utility model;
[0029] Figure 4 This is a three-dimensional structural diagram of the lubricating oil tank of this utility model.
[0030] Legend: 1. Truss main body; 2. Lubrication device; 3. Collection device; 4. Slide; 5. Roller; 6. Robot main body; 21. Circular hole; 22. Lubricating oil tank; 23. Guide pipe; 24. Support; 25. First elastic element; 26. Piston ball; 27. Telescopic rod; 28. Wiping block; 29. Limiting mechanism; 291. Screw hole block; 292. Bolt; 293. Threaded groove; 31. Rectangular hole; 32. Collection box; 33. Limiting rod; 34. Second elastic element; 35. Filter screen. Detailed Implementation
[0031] 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.
[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0033] [First Embodiment]
[0034] like Figure 1-4 The image shown is a gantry assembly for a robot provided in the first embodiment of this utility model, such as... Figure 1 As shown, it includes a truss body 1 and a slide 4. The slide 4 is slidably connected to the inner wall of the truss body 1 by several rollers 5 rotatably installed on both sides of the top. According to the usage requirements, the drive mechanism inside the slide is activated to drive the rollers to slide in the inner wall of the truss body, thereby driving the robot body to slide back and forth on the truss body to adjust the operating position.
[0035] The improvement of this embodiment compared with the prior art is as follows: A lubrication device 2 is provided inside the truss body 1, which provides lubricating oil to several rollers 5. By setting up the lubrication device, lubricating oil can be injected into the lubricating oil tank from the inlet. When the robot body fixed to the slide slides relative to the truss body through the rollers, the surface of the rollers can be lubricated and maintained by the lubricating oil inside the lubricating oil tank, thereby reducing the probability of corrosion and rust on the roller surface, reducing the friction between the rollers and the inner wall of the truss body, improving the motion accuracy and flexibility of the robot body, and ensuring work efficiency. A collection device 3 is also provided inside the truss body 1 to collect the lubricating oil. By setting up the collection device, the lubricating oil falling into the collection box can be collected, which facilitates recycling and reduces the waste of lubricating oil.
[0036] like Figure 2-4 As shown, the lubrication device 2 in this embodiment includes a lubricating oil tank 22. The top of the truss body 1 has several circular holes 21 extending into the inner wall of the truss body 1. Several guide pipes 23 are installed through one side of the lubricating oil tank 22, with the top ends of the guide pipes 23 inserted into the inner wall of the circular holes 21, and the interior of the guide pipes 23 communicating with the interior of the circular holes 21. A bracket 24 is fixedly installed in the inner wall of the guide pipe 23, and a piston ball 26 capable of moving up and down relative to the bracket 24 is installed at the bottom of the bracket 24. The lubrication device 2 in this embodiment includes a lubricating oil tank 22. The top of the truss body 1 has several circular holes 21 extending into the inner wall of the truss body 1. A support frame is fixedly installed in the middle, and a piston ball that can move up and down relative to the support frame is installed at the bottom of the support frame. When the robot body fixed to the slide slides relative to the truss body via the rollers, the outer surface of the rollers will abut against and push the piston ball upwards, causing the first elastic element to contract, so that a gap is exposed at the outlet of one end of the guide tube. The lubricating oil inside the lubricating oil tank will overflow from the gap and fall onto the surface of the rollers for lubrication and maintenance, so that the timing of adding lubricating oil is matched with the sliding process of the robot, and the corresponding lubricating oil is provided during the sliding process.
[0037] like Figure 4 As shown, the lubrication device 2 in this embodiment also includes a telescopic rod 27. The fixed end of the telescopic rod 27 is fixedly connected to the bracket 24, and the movable end of the telescopic rod 27 is fixedly connected to the piston ball 26. The movable end can move up and down relative to the fixed end. By setting the telescopic rod, while realizing the up and down movement of the piston ball 2 relative to the bracket 24, the telescopic rod can also support and reinforce the inner wall of the first elastic element, making it less prone to damage during use. The outer periphery of the telescopic rod 27 is fitted with a first elastic element 25. The two ends of the first elastic element 25 are fixedly connected to the bracket 24 and the piston ball 26, respectively. The first elastic element 25 helps to realize the up and down movement and reset process of the piston ball 26 relative to the bracket 24. The first elastic element 25 can be a spring or similar material commonly used in the mechanical field.
[0038] In this embodiment, the outer wall of the piston ball 26 is adapted to the inner wall of the guide tube 23. When the piston ball 26 is in a low position, it can block the guide tube 23. When the piston ball 26 is in a high position, it can expose the bottom end of the guide tube 23. Thus, when the robot body fixed to the slide slides relative to the truss body through the roller, the outer surface of the roller will abut against and push the piston ball upward, causing the first elastic element to contract, so that the outlet at one end of the guide tube is exposed. The lubricating oil inside the lubricating oil tank will overflow from the gap and fall onto the surface of the roller for lubrication and maintenance. Thus, the timing of adding lubricating oil is adapted to the sliding process of the robot, and the corresponding lubricating oil is provided during the sliding process.
[0039] Preferably, in this embodiment, one end of the guide pipe 23 has a trapezoidal cross-section. The trapezoidal end of the guide pipe 23 is positioned away from the lubricating oil tank 22. By setting one end of the guide pipe into a trapezoidal shape, the inner wall size of one end can be smaller than the diameter of the piston ball, making it easier for part of the outer surface of the piston ball to protrude from the guide pipe. At the same time, the position with the largest diameter can block the guide pipe. Meanwhile, several wiping blocks 28 are fixedly installed on one side of the inner wall of the truss body 1. The several wiping blocks 28 are intermittently arranged with the circular hole 21. By setting the wiping blocks, after the lubricating oil falls on the outer surface of the roller, when the roller slides in the inner wall of the truss body, the wiping blocks will absorb the excess lubricating oil and wipe it evenly on the outer surface of the roller, avoiding waste of lubricating oil and ensuring even application.
[0040] like Figure 2-4 As shown, a limiting mechanism 29 is provided between two adjacent lubricating oil tanks 22. The limiting mechanism 29 includes a screw hole block 291. The two sides of the screw hole block 291 are fixedly connected to the two lubricating oil tanks 22 respectively. Threaded grooves 293 are symmetrically opened at both ends of the truss body 1. Bolts 292 are screwed into the inner walls of the screw hole block 291 and the threaded groove 293. By setting the limiting mechanism, when the lubricating oil tank is fixed by inserting it into the round hole with the help of the guide tube, one end of the bolt can be screwed into the inner wall of the screw hole block and the threaded hole to perform secondary limiting and fixing of the lubricating oil tank, and firmly fix it on one side of the truss body so that it is not easy to shake during use.
[0041] like Figure 2-3As shown, in this embodiment, the collection device 3 is located on the inner wall of the truss body 1 away from the circular hole 21. The collection device 3 includes a collection box 32. A rectangular hole 31 is opened on one side of the inner wall of the truss body 1. The collection box 32 is inserted into the inner wall of the rectangular hole 31. A filter screen 35 is fixedly installed on the inner wall of the rectangular hole 31 and at the top of the collection box 32. A limiting rod 33 is rotatably installed inside the truss body 1. The end of the limiting rod 33 can abut against one side of the collection box 32. By setting up the collection device, the limiting rod can be rotated to a certain angle first, so that the collection box can be inserted into the rectangular hole. Then, the limiting rod can be rotated to a certain angle so that one side abuts against the bottom of the collection box to support and limit its movement. The filter screen inside the perforated hole supports the bottom outer surface of the roller, preventing it from affecting its use. Simultaneously, it filters any seeping lubricating oil. After the lubricating oil seeps through the filter screen, it falls into the collection box below for easy recycling and to avoid waste. Preferably, a second elastic element 34 is fitted around the outer circumference of the pivot of the limiting rod 33. Both ends of the second elastic element 34 are fixedly connected to the limiting rod 33 and the truss body 1, respectively. By providing the second elastic element, when the limiting rod is rotated to a certain angle, the second elastic element deforms. When the limiting rod is released, the second elastic element drives the limiting rod to return to its original position, thus providing a more secure support for the bottom of the collection box and preventing detachment. The second elastic element can be a torsion spring or similar material commonly used in the mechanical field.
[0042] The working process of this embodiment is as follows:
[0043] The robot body 6 is installed and fixed on the truss body 1 for use. First, lubricating oil is injected into the lubricating oil tank 22 from the inlet. Then, the oil cap is closed. Next, several guide tubes 23 are inserted into the round hole 21. Finally, one end of the bolt 292 is screwed into the inner wall of the screw hole block 291 and the threaded hole to perform secondary positioning and fixing of the lubricating oil tank 22, which is firmly fixed to one side of the truss body 1 so that it is not easy to shake during use.
[0044] When the robot body 6 is in use, it is installed on the slide 4. Then, according to the usage requirements, the drive mechanism inside the slide 4 is activated, which drives the roller 5 to slide in the inner wall of the truss body 1, thereby driving the robot body 6 to slide back and forth on the truss body 1 to adjust its position.
[0045] When the roller 5 slides back and forth in the inner wall of the truss body 1, after the roller 5 slides to a certain position, the outer surface of the roller 5 will abut against the surface of the piston ball 26 at one end of the protruding guide tube 23, pushing it upward. This causes the first elastic element 25 to contract between the bracket 24 and the piston ball 26, exposing a gap at the outlet of one end of the guide tube 23. The lubricating oil inside the lubricating oil tank 22 will overflow from the gap and fall onto the surface of the roller 5 for lubrication and maintenance. This reduces the probability of corrosion and rust on the surface of the roller 5, reduces the friction between it and the inner wall of the truss body 1, improves the motion accuracy and flexibility of the robot body 6, and ensures work efficiency.
[0046] By setting up the collection device 3, the limiting rod 33 can be rotated to a certain angle first, so that the collection box 32 can be inserted into the rectangular hole 31. Then, the limiting rod 33 can be rotated to a certain angle so that one side of it abuts against the bottom of the collection box 32 to support and limit it. The filter screen 35 inside the rectangular hole 31 will support the bottom outer surface of the roller 5 so that it does not affect the use of the roller 5. At the same time, it can filter the lubricating oil that seeps out. When the lubricating oil seeps through the filter screen 35, it will fall into the collection box 32 below and be collected for recycling, avoiding waste.
[0047] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.
Claims
1. A truss assembly for a robot, comprising a truss body (1) and a carriage (4), wherein the carriage (4) is slidably connected to the inner wall of the truss body (1) via a plurality of rollers (5) rotatably mounted on both sides of the top, characterized in that: The truss body (1) is equipped with a lubrication device (2) inside, which provides lubricating oil to several rollers (5). The truss body (1) is also equipped with a collection device (3) inside, which recovers the lubricating oil.
2. A gantry assembly for a robot according to claim 1, characterized in that: The lubrication device (2) includes a lubricating oil tank (22). The top of the truss body (1) is provided with several round holes (21) that extend into the inner wall of the truss body (1). Several guide pipes (23) are installed through one side of the lubricating oil tank (22). The top end of the guide pipe (23) is inserted into the inner wall of the round hole (21), and the inside of the guide pipe (23) is connected to the inside of the round hole (21). A bracket (24) is fixedly installed in the inner wall of the guide pipe (23). A piston ball (26) that can move up and down relative to the bracket (24) is installed at the bottom of the bracket (24).
3. A gantry assembly for a robot according to claim 2, characterized in that: The lubrication device (2) also includes a telescopic rod (27), the fixed end of which is fixedly connected to the bracket (24), and the movable end of which is fixedly connected to the piston ball (26). The movable end can move up and down relative to the fixed end.
4. A gantry assembly for a robot according to claim 3, characterized in that: The telescopic rod (27) is fitted with a first elastic element (25) on its outer periphery. The two ends of the first elastic element (25) are fixedly connected to the bracket (24) and the piston ball (26) respectively.
5. A gantry assembly for a robot according to claim 3, characterized in that: The outer wall of the piston ball (26) is adapted to the inner wall of the guide tube (23). When the piston ball (26) is in a low position, it can block the guide tube (23). When the piston ball (26) is in a high position, it can expose the bottom end of the guide tube (23) through a gap.
6. A gantry assembly for a robot according to claim 2, characterized in that: The longitudinal section of one end of the guide pipe (23) is trapezoidal, and the trapezoidal end of the guide pipe (23) is located away from the lubricating oil tank (22).
7. A gantry assembly for a robot according to claim 2, characterized in that: A number of wiping blocks (28) are fixedly installed on one side of the inner wall of the truss body (1), and the number of wiping blocks (28) and the circular holes (21) are arranged intermittently.
8. A gantry assembly for a robot according to claim 2, characterized in that: A limiting mechanism (29) is provided between two adjacent lubricating oil tanks (22). The limiting mechanism (29) includes a screw hole block (291). The two sides of the screw hole block (291) are fixedly connected to the two lubricating oil tanks (22) respectively. The two ends of the truss body (1) are symmetrically provided with threaded grooves (293). Bolts (292) are screwed into the inner walls of the screw hole block (291) and the threaded grooves (293).
9. A gantry assembly for a robot according to claim 2, characterized in that: The collection device (3) is located on the inner wall of the truss body (1) away from the circular hole (21). The collection device (3) includes a collection box (32). A rectangular hole (31) is opened on one side of the inner wall of the truss body (1). The collection box (32) is inserted into the inner wall of the rectangular hole (31). A filter screen (35) is fixedly installed on the inner wall of the rectangular hole (31) and at the top of the collection box (32). A limit rod (33) is rotatably installed inside the truss body (1). The end of the limit rod (33) can abut against one side of the collection box (32).
10. A gantry assembly for a robot according to claim 9, characterized in that: The outer circumference of the pivot of the limiting rod (33) is fitted with a second elastic element (34), and the two ends of the second elastic element (34) are fixedly connected to the limiting rod (33) and the truss body (1) respectively.