High-strength industrial mechanical arm alloy casting
By designing a lubrication component in the alloy casting of the industrial robotic arm and using centrifugal force to control the delivery of lubricating oil, the problem of uncontrollable oil hole opening and closing was solved, and quantitative delivery of lubricating oil was achieved, improving the lubrication effect and the operating efficiency of the robotic arm.
Patent Information
- Application Number
- CN202423257383.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In existing industrial robotic arm alloy castings, the opening and closing of oil holes cannot be controlled, and the amount of lubricating oil cannot be adjusted, resulting in poor lubrication.
A lubrication assembly was designed. The rotation of the lower connecting sleeve drives the horizontal movement of the control assembly, which controls the opening and closing of the oil passage. Centrifugal force is used to achieve quantitative delivery of lubricating oil and prevent excessive oil discharge.
This technology enables the metered delivery of lubricating oil, avoiding decreased lubrication effectiveness and contamination, and improving the lubrication efficiency of the robotic arm.
Smart Images

Figure CN223573182U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical arm technical field, concretely relates to a high strength industrial mechanical arm alloy casting. BACKGROUND
[0002] Industrial robot is the mechanical electronic device of anthropomorphic arm, wrist and hand function. The mechanical electronic device of anthropomorphic arm, wrist and hand function; it can move any object or tool according to the time-varying requirements of spatial pose (position and attitude), so as to complete the operation requirements of certain industrial production.
[0003] Through the retrieval, the high strength industrial mechanical arm alloy casting of patent announcement number CN215968846U is disclosed, including upper connecting sleeve, the lower end of the rear side of the upper connecting sleeve is provided with lower connecting sleeve, the lower end of the lower connecting sleeve is provided with base, the upper wall of the base is provided with six first connecting holes, six first connecting holes are circular array type and are arranged on the upper end face of base, and six first connecting holes all penetrate through the base, the upper wall of the upper connecting sleeve is provided with oil pipe, the upper end of the rear side of the oil pipe is connected with oil nozzle, the front end of the upper connecting sleeve is connected with connecting disc, the inside of the rear end of the connecting disc is provided with oil way, the rear end of multiple oil holes all penetrates the clamping table, and the rear end all communicates with oil way, the front side of the oil pipe penetrates the rear wall of the connecting disc, and the end part is connected with oil way. The utility model discloses that the setting whole is made of alloy steel, which greatly improves the strength during work.
[0004] However, in the above technical scheme, only the oil pipe is arranged on the upper connecting sleeve, and the oil way is arranged in the connecting disc to make the oil enter between the connecting disc and the external equipment for lubrication, but the on-off of the oil hole cannot be controlled, and the amount of lubricating oil cannot be controlled, and too much lubricating oil will reduce the lubricating effect. UTILITY MODEL CONTENTS
[0005] The utility model aims at the problems in the background art and provides a high strength industrial mechanical arm alloy casting.
[0006] The technical scheme of the utility model: a high strength industrial mechanical arm alloy casting, including lower connecting sleeve, the both ends are connected with base and upper connecting sleeve respectively, connecting disc is connected with upper connecting sleeve, and the connecting disc is provided with oil way, and multiple oil outlets are arranged on the oil way away from the one end of upper connecting sleeve, lubricating assembly is connected on the upper connecting sleeve, and lubricating assembly and lower connecting sleeve rotate synchronous action to transport lubricating oil into oil way under the use state of lubricating assembly.
[0007] Preferably, the cross-sectional shape of the oil way on the connecting disc is arc-shaped, and the oil way is provided with a protrusion.
[0008] Preferably, the lubricating assembly comprises an oil delivery pipe, which is a hollow pipe body, one end of the oil delivery pipe is connected with the connecting disc, the oil delivery pipe is in communication with the oil path; an oil pipe joint connected with the oil delivery pipe; a control assembly connected on the oil delivery pipe; in use, the control assembly moves linearly along the central axis of the oil delivery pipe to open and close the oil delivery pipe.
[0009] Preferably, the control assembly comprises a sealing plate, which is threadedly connected with the end of the oil delivery pipe away from the connecting disc; a moving rod, which has the same center as the sealing plate, one end of the moving rod is connected with the sealing plate; a fixed block, which is arranged in parallel with the sealing plate, the fixed block is connected with the moving rod; a sealing member, which is connected with the moving rod; an elastic member, which is sleeved outside the moving rod, two ends of the elastic member are connected with the fixed block and the sealing member respectively; a counterweight member, which is connected with the sealing member.
[0010] Preferably, the sealing member is composed of a fixed plate and a moving plate, the fixed plate is arranged in parallel with the sealing plate, the fixed plate is connected with the other end of the moving rod, and the moving plate is sleeved outside the fixed plate.
[0011] Preferably, a plurality of grooves are formed in the fixed plate and the moving plate, and a sealing ring is sleeved in the grooves.
[0012] Preferably, the counterweight member is composed of a fixed ring, a fixed cover and a counterweight ball, the fixed ring is connected with the moving plate, a plurality of accommodating cavities are formed in the fixed ring, the fixed cover is threadedly connected with the fixed ring, the number of the counterweight members corresponds to the number of the accommodating cavities, and the counterweight ball is placed in the accommodating cavities.
[0013] Preferably, the upper connecting sleeve and the lower connecting sleeve are made of alloy steel.
[0014] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:
[0015] In the utility model, the lubricating assembly and the lower connecting sleeve rotate synchronously, the centrifugal force generated by the rotation of the lower connecting sleeve at a certain speed drives the control assembly in the lubricating assembly to move horizontally, the lubricating assembly is connected with the oil path when moving horizontally to normally convey the oil, and the lubricating assembly is closed when the centrifugal force disappears or the rotation speed of the lower connecting sleeve reaches a certain degree, so as to prevent too much oil from being discharged to cause pollution and reduce the lubricating effect. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a perspective view of the utility model;
[0017] Figure 2 It is a sectional view of the connecting disc;
[0018] Figure 3 It is a sectional view of the connecting disc; Figure 1
[0019] Figure 4 for Figure 3 Enlarged view of the structure at point A;
[0020] Figure 5 for Figure 4 Enlarged view of the structure at point B.
[0021] Reference numerals in the attached drawings: 1. Lower connecting sleeve; 2. Base; 3. Upper connecting sleeve; 4. Connecting plate; 5. Oil passage; 6. Oil outlet; 7. Protrusion; 8. Oil supply pipe; 9. Oil pipe joint; 10. Sealing plate; 11. Moving rod; 12. Fixing block; 13. Sealing element; 14. Elastic element; 15. Counterweight; 16. Fixing plate; 17. Moving plate; 18. Sealing ring; 19. Fixing ring; 20. Fixing cover; 21. Receiving cavity; 22. Counterweight ball. Detailed Implementation
[0022] Example 1
[0023] like Figures 1-5 As shown, this utility model proposes a high-strength industrial robotic arm alloy casting, including a lower connecting sleeve 1, a base 2, an upper connecting sleeve 3, a connecting plate 4, and a lubrication component. The lower connecting sleeve 1 is connected to the base 2 and the upper connecting sleeve 3 at both ends, and the connecting plate 4 is connected to the upper connecting sleeve 3. An oil passage 5 is opened on the connecting plate 4, and multiple oil outlets 6 are opened at the end of the oil passage 5 away from the upper connecting sleeve 3. The lubrication component is connected to the upper connecting sleeve 3. When the lubrication component is in use, the lubrication component rotates synchronously with the lower connecting sleeve 1. The centrifugal force generated by the rotation of the lower connecting sleeve 1 at a certain speed drives the control component in the lubrication component to move horizontally. When the lubrication component moves horizontally, it will open the oil passage to ensure normal delivery. When the centrifugal force disappears or the rotation speed of the lower connecting sleeve 1 reaches a certain level, it will close to prevent excessive oil discharge, which would cause contamination and reduce the lubrication effect.
[0024] In an optional embodiment, the cross-sectional shape of the oil passage 5 on the connecting plate 4 is arc-shaped, and the oil passage 5 is provided with a protrusion 7; the protrusion 7 is equilateral triangle in shape, and the protrusion 7 divides the dripping lubricating oil into two parts and moves them to both ends of the oil passage 5.
[0025] Example 2
[0026] like Figures 3-5 As shown, this utility model proposes a high-strength industrial robotic arm alloy casting. Compared with Embodiment 1, this embodiment describes the detailed structure of the lubrication component. The lubrication component includes an oil supply pipe 8, an oil pipe connector 9, and a control component. The oil supply pipe 8 is a hollow pipe body, with one end connected to a connecting plate 4. The oil supply pipe 8 is interconnected with an oil passage 5, and the oil pipe connector 9 is connected to the oil supply pipe 8. The control component is connected to the oil supply pipe 8. In the operating state, the control component moves linearly along the central axis of the oil supply pipe 8 to open and close the oil supply pipe 8.
[0027] The control assembly comprises a sealing plate 10, a moving rod 11, a fixed block 12, a sealing member 13, an elastic member 14 and a counterweight 15, the sealing plate 10 is threadedly connected to the end of the oil delivery pipe 8 away from the connecting disc 4, the moving rod 11 has the same center as the sealing plate 10, one end of the moving rod 11 is connected to the sealing plate 10, the other end of the moving rod 11 is inserted into the oil delivery pipe 8, the fixed block 12 is arranged in parallel with the sealing plate 10, the fixed block 12 is connected to the moving rod 11, the sealing member 13 is connected to the moving rod 11;
[0028] In an optional embodiment, the sealing member 13 is composed of a fixed plate 16 and a moving plate 17, the fixed plate 16 is arranged in parallel with the sealing plate 10, the fixed plate 16 is connected to the other end of the moving rod 11, the moving plate 17 is sleeved outside the fixed plate 16, when the moving plate 17 and the fixed plate 16 are nested with each other or in the same plane, a complete plate body is formed to close the oil delivery pipe 8, and a closed space is formed together with the sealing plate 10 to prevent the oil from flowing, when the moving plate 17 and the fixed plate 16 are not in the same plane, the closed space is opened to allow the oil to flow;
[0029] In an optional embodiment, a plurality of grooves are formed in the fixed plate 16 and the moving plate 17, and a sealing ring 18 is sleeved in the grooves; the sealing ring 18 is selected from but not limited to an O-shaped rubber ring;
[0030] The elastic member 14 is sleeved outside the moving rod 11, and the elastic member 14 is connected to the fixed block 12 and the sealing member 13 at both ends, respectively; the elastic member 14 is selected from but not limited to a spring; the counterweight 15 is connected to the sealing member 13.
[0031] In an optional embodiment, the counterweight 15 is composed of a fixed ring 19, a fixed cover 20 and a counterweight ball 22, the fixed ring 19 is connected to the moving plate 17, a plurality of accommodating cavities 21 are formed in the fixed ring 19, the fixed cover 20 is threadedly connected to the fixed ring 19, the number of the counterweight 15 corresponds to the number of the accommodating cavities 21, and the counterweight ball 22 is placed in the accommodating cavities 21.
[0032] In an optional embodiment, the upper connecting sleeve 3 and the lower connecting sleeve 1 are made of alloy steel.
[0033] In summary, in use, the base 2 is connected with the platform of the mounting mechanical arm through the through hole, and then the mechanical arm is inserted into the upper connecting sleeve 3 and the connecting disc 4, and during the operation of the mechanical arm, the lower connecting sleeve 1 and the upper connecting sleeve 3 are rotated at different angles for work, and the lower connecting sleeve 1 is rotated around the axis as the center, the mechanical arm has different rotating speeds according to different scenes, when the mechanical arm rotates, the centrifugal force generated by the mechanical arm moves the moving plate 17 and the counterweight 15 in the sealing element 13 along the central axis of the moving rod 11, the counterweight ball 22 in the counterweight 15 can move in the accommodating cavity 21 of the fixed ring 19 to increase the inertia to drive the moving plate 17 to move, the length of the elastic element 14 is stretched, the sealed space formed by the moving plate 17 and the fixed plate 16 is opened, the oil flows from the outside of the fixed plate 16 into the through hole in the middle of the moving plate 17, and then enters the oil channel 5 on the connecting disc 4 through the oil pipe 8, after the centrifugal force disappears, the elastic element 14 is rebounded to move the moving plate 17 and the counterweight 15, the moving plate 17 is re-set outside the fixed plate 16, and a sealed space is formed between the two and the sealing plate 10 to prevent too much lubricating oil from affecting the lubrication quality, the convex block 7 in the oil channel 5 is divided to enter the oil channel 5 in turn and then is discharged through the oil outlet 6 to contact the mechanical arm to lubricate it.
[0034] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.
Claims
1. A high-strength industrial robotic arm alloy casting, characterized by, The utility model relates to a lubricating device for a connecting sleeve of a connecting rod The lower connecting sleeve (1) is connected with the base (2) and the upper connecting sleeve (3) at both ends respectively; The connecting disc (4) is connected with the upper connecting sleeve (3), and the oil channel (5) is arranged on the connecting disc (4); a plurality of oil outlets (6) are arranged at the end of the oil channel (5) away from the upper connecting sleeve (3); The lubricating assembly is connected on the upper connecting sleeve (3); in the use state of the lubricating assembly, the lubricating assembly and the lower connecting sleeve (1) rotate synchronously to deliver lubricating oil into the oil channel (5).
2. A high strength industrial robotic alloy casting according to claim 1, wherein, The cross section shape of the oil channel (5) on the connecting disc (4) is arc-shaped, and the oil channel (5) is provided with a protruding block (7).
3. A high strength industrial robotic alloy casting according to claim 1, wherein, The lubricating assembly comprises The oil delivery pipe (8) is a hollow pipe body, one end of the oil delivery pipe (8) is connected with the connecting disc (4), and the oil delivery pipe (8) is in communication with the oil channel (5); The oil pipe joint (9) is connected with the oil delivery pipe (8); The control assembly is connected on the oil delivery pipe (8); in the use state of the control assembly, the control assembly moves linearly along the central axis of the oil delivery pipe (8) to open and close the oil delivery pipe (8).
4. A high strength industrial robotic alloy casting according to claim 3, wherein, The control assembly comprises The sealing plate (10) is threadedly connected with the end of the oil delivery pipe (8) away from the connecting disc (4); The moving rod (11) has the same center as the sealing plate (10), one end of the moving rod (11) is connected with the sealing plate (10); The fixed block (12) is arranged in parallel with the sealing plate (10), and the fixed block (12) is connected with the moving rod (11); The sealing element (13) is connected with the moving rod (11); The elastic element (14) is arranged outside the moving rod (11), and the two ends of the elastic element (14) are connected with the fixed block (12) and the sealing element (13) respectively; The counterweight element (15) is connected with the sealing element (13).
5. A high strength industrial robotic arm alloy casting according to claim 4, wherein, The sealing element (13) comprises a fixed plate (16) and a moving plate (17), the fixed plate (16) is arranged in parallel with the sealing plate (10), and the fixed plate (16) is connected with the other end of the moving rod (11); the moving plate (17) is arranged outside the fixed plate (16).
6. A high strength industrial robotic arm alloy casting according to claim 5, wherein, A plurality of grooves are arranged on the fixed plate (16) and the moving plate (17), and a sealing ring (18) is arranged in the groove.
7. A high strength industrial robotic arm alloy casting according to claim 4, wherein, The counterweight element (15) comprises a fixed ring (19), a fixed cover (20) and a counterweight ball (22), the fixed ring (19) is connected with the moving plate (17), a plurality of accommodating cavities (21) are arranged in the fixed ring (19), the fixed cover (20) is threadedly connected with the fixed ring (19), the number of the counterweight element (15) corresponds to the number of the accommodating cavities (21), and the counterweight ball (22) is arranged in the accommodating cavity (21).
8. A high strength industrial robotic alloy casting according to claim 1, wherein, The materials of the upper connecting sleeve (3) and the lower connecting sleeve (1) are alloy steel.