Manipulator joint lubricating device

Abstract

The utility model relates to the technical field of lubricating devices, in particular to a mechanical arm joint lubricating device. The oil spraying device comprises a sleeve, a first piston is arranged on the inner wall of the sleeve, a pull rod is fixedly connected to the left end of the first piston and penetrates through the sleeve, a convenient assembly is arranged at the left end of the sleeve, the right end of the sleeve is in threaded connection with an oil spraying barrel, and the right end of the oil spraying barrel is fixedly connected with a rectangular block. An oil nozzle and an exhaust valve are fixedly connected to the right end of the rectangular block, an oil suction assembly is arranged on the arc surface of the oil nozzle, an extrusion cavity is formed in the rectangular block, and the extrusion cavity communicates with the oil spraying cylinder. And when the lubricating device is used, a pull rod needs to be pushed to extrude the grease into the grease spraying barrel, so that workers need to operate the pull rod for multiple times, and the use is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of lubrication devices, in particular to a lubrication device for a manipulator joint. Background Art

[0002] The lubricating device is used to inject butter into the joints of the manipulator. The lubricating device consists of a sleeve, a piston 1, a pull rod, a spring 1, a locking clip, an oil spray cylinder, a rectangular block, an oil nozzle, an exhaust valve, a piston 2, a spring 2, an extrusion rod, a rotating rod, an operating rod and an extrusion chamber. When using the lubricating device to inject butter into the joints of the manipulator, the sleeve is placed in the oil barrel, the pull rod is pulled to move the piston, thereby sucking in the butter, and at the same time the locking clip locks the pull rod, the spring 1 is compressed, the sleeve and the oil spray cylinder threads are tightened, the locking clip is released, the spring 1 is reset, the butter is squeezed, and the butter is squeezed into the extrusion chamber, and then the exhaust valve on the rectangular block is opened for exhaust, the oil nozzle is inserted into the oil pipe of the joint of the manipulator, the operating rod is pressed, the operating rod is rotated on the extrusion rod and the rotating rod, the extrusion rod is pressed down, the spring 2 is compressed, and the piston 2 moves down, thereby squeezing the butter out of the oil nozzle and injecting it into the inside of the manipulator.

[0003] The inventor found in his daily work that when the lubricating device is used, it is necessary to pull the pull rod to move the piston in the sleeve to extract the butter, and when using the lubricating device, it is necessary to push the pull rod to squeeze the butter into the oil spray barrel, so that the worker needs to operate the pull rod multiple times, which makes it inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that in actual use, when extracting butter, it is necessary to pull the pull rod to move the piston in the sleeve to extract the butter, and when using the lubricating device, it is necessary to push the pull rod to squeeze the butter into the oil spray cylinder, so that the worker needs to operate the pull rod multiple times, which makes it inconvenient to use. A manipulator joint lubrication device is proposed to solve the problem that in actual use, it is necessary to pull the pull rod to move the piston in the sleeve to extract the butter, and when using the lubricating device, it is necessary to push the pull rod to squeeze the butter into the oil spray cylinder, so that the worker needs to operate the pull rod multiple times, which makes it inconvenient to use.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a mechanical hand joint lubrication device, including a sleeve, the inner wall of the sleeve is provided with a piston 1, the left end of the piston 1 is fixedly connected to a pull rod, the pull rod passes through the sleeve, the left end of the sleeve is provided with a convenient component, the right end of the sleeve is threadedly connected to an oil spray cylinder, the right end of the oil spray cylinder is fixedly connected to a rectangular block, the right end of the rectangular block is fixedly connected to an oil nozzle and an exhaust valve, the arc surface of the oil nozzle is provided with an oil suction component, the interior of the rectangular block is provided with an extrusion chamber, the extrusion chamber is connected to the oil spray cylinder, the inner wall of the extrusion chamber is provided with a piston 2, the movable The upper end of plug two is fixedly connected with an extrusion rod and spring two, the other end of the spring two is fixed to the rectangular block, the extrusion rod slides through the rectangular block, the right end of the rectangular block is rotatably connected with a rotating rod, one end of the rotating rod is rotatably connected with an operating rod, the operating rod and the extrusion rod are rotatably connected, the convenient component includes a rack slidably inserted in the right end of the sleeve, the surface of the rack is meshed with a gear, the right end of the sleeve is fixedly connected with a fixed plate, the front of the fixed plate is installed with a motor, the output end of the motor is fixed to the gear, a limiting mechanism is provided between the rack and piston one, and the rack is fixed to piston one with the help of the limiting mechanism.

[0006] The effect achieved by the above components is: by setting up a convenient component, when pushing and pulling the pull rod, the serrations are slidably inserted into the sleeve, so that it is fixed by the limit mechanism and the piston, and the motor on the fixed plate is started, so that the motor drives the gear to rotate, and the direction of movement of the rack is changed by the forward and reverse rotation of the motor, thereby changing the direction of movement of the piston, thereby achieving convenient use of the lubrication device.

[0007] Preferably, the limiting mechanism includes a limiting groove formed at a left end of the piston, a circular groove is formed at the upper end of the limiting groove, a latch is slidably connected to the inner wall of the circular groove, and a card slot is formed on one side of the rack.

[0008] The effect achieved by the above components is: the rack is clamped into the limiting groove, and then the pin in the circular groove is clamped into the clamping groove, thereby limiting the rack.

[0009] Preferably, the upper end of the latch is fixedly connected to a return spring, and the other end of the return spring is fixed to the piston.

[0010] The effect achieved by the above components is: the latch is reset by providing a reset spring.

[0011] Preferably, the upper end of the latch is fixedly connected with a pull rope, and the pull rope passes through piston one.

[0012] The effect achieved by the above components is: pulling the pull rope controls the movement of the latch.

[0013] Preferably, the oil suction assembly includes a rubber ring arranged on the arc surface of the oil nozzle, the surface of the rubber ring is fixedly connected to a cavity ring, the inner arc surface of the cavity ring is provided with a plurality of evenly distributed suction ports, and the surface of the cavity ring is fixedly connected to a rubber pad.

[0014] The effect achieved by the above components is: when the oil nozzle is sucked into the butter overflowing from the joint of the robot, the rubber ring is pressed to deflate the rubber ring. At the same time, the rubber pad on the cavity ring contacts the joint of the robot, loosening the rubber ring to restore it, so that the butter is sucked into the cavity ring from the suction port. After suction, the butter is squeezed into the recovery butter barrel in the same way.

[0015] Preferably, a connecting rod is fixedly connected to the inner arc surface of the cavity ring, and the other end of the connecting rod is fixed to the oil nozzle.

[0016] The effect achieved by the above components is: the oil nozzle is fixed through the connecting rod.

[0017] Preferably, the arc surface of the oil nozzle is slidably connected to an extrusion ring, and the extrusion ring is used to extrude the rubber ring.

[0018] The effect achieved by the above components is: moving the extrusion ring, thereby squeezing the rubber ring.

[0019] Preferably, electric telescopic rods are installed on both sides of the back of the extrusion ring, and the electric telescopic rods are fixed to the rectangular block.

[0020] The effect achieved by the above components is: starting the electric telescopic rod moves the extrusion ring, thereby squeezing the rubber ring.

[0021] In summary, the beneficial effects of the present invention are as follows:

[0022] The utility model provides a convenient component, and when the pull rod is pushed and pulled, the serrations are inserted into the sleeve by sliding, so that the serrations are fixed by the limit mechanism and the piston, and the motor on the fixed plate is started, so that the motor drives the gear to rotate, and the direction of movement of the rack is changed by the forward and reverse rotation of the motor, thereby changing the direction of movement of the piston, so as to achieve convenient use of the lubricating device, and solves the problem that when extracting butter, the piston needs to be moved in the sleeve by pulling the pull rod to extract the butter, and when using the lubricating device, the pull rod needs to be pushed to squeeze the butter into the oil spray barrel, so that the worker needs to operate the pull rod multiple times, which leads to inconvenience in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the convenient component part of the utility model;

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the cross section of the utility model;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the oil absorption component of the utility model.

[0027] Legend: 1. Sleeve; 2. Convenient component; 3. Oil suction component; 4. Oil spray cylinder; 5. Rectangular block; 6. Extrusion chamber; 7. Piston 1; 8. Pull rod; 9. Piston 2; 10. Extrusion rod; 11. Rotating rod; 12. Exhaust valve; 13. Spring 2; 14. Operating lever; 15. Oil nozzle; 21. Rack; 22. Fixed plate; 23. Motor; 24. Gear; 25. Limiting mechanism; 251. Limiting groove; 252. Circular groove; 253. Latch; 254. Slot; 255. Reset spring; 256. Pull rope; 31. Rubber ring; 32. Cavity ring; 33. Suction port; 34. Rubber pad; 35. Connecting rod; 36. Extrusion ring; 37. Electric telescopic rod. DETAILED DESCRIPTION

[0028] Reference Figure 1 and Figure 3 As shown, the utility model provides a technical solution: a manipulator joint lubrication device includes a sleeve 1, the inner wall of the sleeve 1 is provided with a piston 1 7, the left end of the piston 1 7 is fixedly connected to a pull rod 8, the pull rod 8 passes through the sleeve 1, the left end of the sleeve 1 is provided with a convenient component 2, the right end of the sleeve 1 is threadedly connected to an oil spray cylinder 4, the right end of the oil spray cylinder 4 is fixedly connected to a rectangular block 5, the right end of the rectangular block 5 is fixedly connected to an oil nozzle 15 and an exhaust valve 12, and an arc surface of the oil nozzle 15 is provided with an oil suction component 3, an extrusion chamber 6 is opened inside the rectangular block 5, the extrusion chamber 6 is connected to the oil spray cylinder 4, the inner wall of the extrusion chamber 6 is provided with a piston 2 9, the upper end of the piston 2 9 is fixedly connected to an extrusion rod 10 and a spring 2 13, the other end of the spring 2 13 is fixed to the rectangular block 5, the extrusion rod 10 slides through the rectangular block 5, the right end of the rectangular block 5 is rotatably connected to a rotating rod 11, one end of the rotating rod 11 is rotatably connected to an operating rod 14, and the operating rod 14 is rotatably connected to the extrusion rod 10.

[0029] The following describes in detail the specific settings and functions of the convenient component 2 and the oil absorption component 3.

[0030] Reference Figure 2 and Figure 3As shown, in this embodiment: the convenient component 2 includes a rack 21 slidably inserted into the right end of the sleeve 1, and the surface of the rack 21 is meshed with a gear 24. The right end of the sleeve 1 is fixedly connected to a fixed plate 22, and a motor 23 is installed on the front of the fixed plate 22. The output end of the motor 23 and the gear 24 are fixed. A limiting mechanism 25 is provided between the rack 21 and the piston 7. The rack 21 is fixed to the piston 7 with the help of the limiting mechanism 25. By setting the convenient component 2, when pushing and pulling the pull rod 8, the serrations are inserted into the sleeve 1 for sliding, so that it is fixed to the piston 7 through the limiting mechanism 25, and the motor 23 on the fixed plate 22 is started, so that the motor 23 drives the gear 24 to rotate. The forward and reverse rotation of the motor 23 changes the movement direction of the rack 21, thereby changing the movement direction of the piston 7. direction, so as to achieve convenient use of the lubrication device. The limiting mechanism 25 includes a limiting groove 251 provided at the left end of the piston 7. A circular groove 252 is provided at the upper end of the limiting groove 251. A latch 253 is slidably connected to the inner wall of the circular groove 252. A clamping groove 254 is provided on one side of the rack 21. The rack 21 is inserted into the limiting groove 251, and then the latch 253 in the circular groove 252 is inserted into the clamping groove 254, thereby limiting the rack 21. A return spring 255 is fixedly connected to the upper end of the latch 253, and the other end of the return spring 255 is fixed to the piston 7. By setting the return spring 255, the latch 253 is reset. A pull rope 256 is fixedly connected to the upper end of the latch 253. The pull rope 256 passes through the piston 7. Pulling the pull rope 256 controls the movement of the latch 253.

[0031] Reference Figure 4 As shown, in this embodiment: the oil suction component 3 includes a rubber ring 31 arranged on the arc surface of the oil nozzle 15, and a cavity ring 32 is fixedly connected to the surface of the rubber ring 31. The inner arc surface of the cavity ring 32 is provided with a plurality of evenly distributed suction ports 33. The surface of the cavity ring 32 is fixedly connected to a rubber pad 34. When the oil nozzle 15 is sucked into the butter overflowing from the joint of the manipulator, the rubber ring 31 is pressed to make the rubber ring 31 deflate. At the same time, the rubber pad 34 on the cavity ring 32 contacts the joint of the manipulator, loosening the rubber ring 31 to restore it, so that the butter is sucked into the cavity ring 32 from the suction port 33, and the butter is sucked. Finally, the butter is squeezed into the recovered butter barrel in the same way. The inner arc surface of the cavity ring 32 is fixedly connected with a connecting rod 35. The other end of the connecting rod 35 is fixed to the oil nozzle 15. The oil nozzle 15 is fixed by the connecting rod 35. The arc surface of the oil nozzle 15 is slidably connected with an extrusion ring 36. The extrusion ring 36 is used to extrude the rubber ring 31. The extrusion ring 36 is moved to extrude the rubber ring 31. Electric telescopic rods 37 are installed on both sides of the back of the extrusion ring 36. The electric telescopic rod 37 is fixed to the rectangular block 5. Starting the electric telescopic rod 37 moves the extrusion ring 36 to extrude the rubber ring 31.

[0032] Working principle:

[0033] When using the lubricating device to inject butter into the joint of the manipulator, put the sleeve 1 into the oil barrel, pull the pull rod 8, so that the piston moves, thereby sucking in the butter, and at the same time locking the pull rod 8 with the locking buckle. The spring is compressed, and the sleeve 1 and the oil injection cylinder 4 are screwed together, and the locking buckle is released, so that the spring is reset, squeezing the butter, and the butter is squeezed into the extrusion chamber 6. Then the exhaust valve 12 on the rectangular block 5 is opened for exhaust, and the oil nozzle 15 is inserted into the oil pipe of the joint of the manipulator, and the operating rod 14 is pressed so that the operating rod 14 rotates when the extrusion rod 10 and the rotating rod 11, so that the extrusion rod 10 is pressed down, the spring 13 is compressed, and the piston 9 moves down, thereby squeezing the butter out of the oil nozzle 15 and injecting it into the inside of the manipulator. When pushing and pulling the pull rod 8, the serration is inserted into the sleeve 1 so that it is fixed by the limit mechanism 25 and the piston 7, and the motor 23 on the fixed plate 22 is started so that the motor 23 drives the gear 24 to rotate. The gear 21 is rotated to change the moving direction of the rack 21, thereby changing the moving direction of the piston 7, so as to achieve convenient use of the lubricating device, the rack 21 is clamped into the limiting groove 251, and then the pin 253 in the circular groove 252 is clamped into the clamping groove 254, thereby limiting the rack 21. By setting a reset spring 255, the pin 253 is reset, and the pull rope 256 is pulled to control the movement of the pin 253. When the oil nozzle 15 sprays the butter overflowing from the joint of the manipulator, the rubber ring 31 is pressed to make the rubber ring 31 deflate. At the same time, the rubber pad 34 on the cavity ring 32 contacts the joint of the manipulator, loosening the rubber ring 31 and restoring it. The butter is sucked into the cavity ring 32 from the suction port 33. After suction, the butter is squeezed into the butter recovery barrel in the same way. The oil nozzle 15 is fixed by the connecting rod 35, and the extrusion ring 36 is moved to squeeze the rubber ring 31. The electric telescopic rod 37 is started to move the extrusion ring 36 to squeeze the rubber ring 31.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification of the above embodiment based on the technical essence of the present invention that does not deviate from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A manipulator joint lubrication device, comprising a sleeve (1), characterized in that: The inner wall of the sleeve (1) is provided with a piston 1 (7), the left end of the piston 1 (7) is fixedly connected with a pull rod (8), the pull rod (8) passes through the sleeve (1), the left end of the sleeve (1) is provided with a convenient component (2), the right end of the sleeve (1) is threadedly connected with a spray barrel (4), the right end of the spray barrel (4) is fixedly connected with a rectangular block (5), the right end of the rectangular block (5) is fixedly connected with an oil nozzle (15) and an exhaust valve (12), the circular arc surface of the oil nozzle (15) is provided with an oil suction component (3), the interior of the rectangular block (5) is provided with an extrusion chamber (6), the extrusion chamber (6) is connected to the oil spray barrel (4), the inner wall of the extrusion chamber (6) is provided with a piston 2 (9), the upper end of the piston 2 (9) is fixedly connected with an extrusion rod (10) and a spring 2 (13), the other end of the spring 2 (13) is fixedly connected with the oil nozzle (15) and the exhaust valve (12). One end is fixed to the rectangular block (5), the extrusion rod (10) slides through the rectangular block (5), the right end of the rectangular block (5) is rotatably connected to the rotating rod (11), one end of the rotating rod (11) is rotatably connected to the operating rod (14), the operating rod (14) and the extrusion rod (10) are rotatably connected, the convenient component (2) includes a rack (21) slidably inserted at the right end of the sleeve (1), the surface of the rack (21) is meshed with the gear (24), the right end of the sleeve (1) is fixedly connected to the fixed plate (22), the front of the fixed plate (22) is equipped with a motor (23), the output end of the motor (23) is fixed to the gear (24), a limiting mechanism (25) is provided between the rack (21) and the piston (7), and the rack (21) is fixed to the piston (7) by means of the limiting mechanism (25).

2. A manipulator joint lubrication device according to claim 1, characterized in that: The limiting mechanism (25) includes a limiting groove (251) provided at the left end of the piston (7), a circular groove (252) provided at the upper end of the limiting groove (251), a latch (253) slidably connected to the inner wall of the circular groove (252), and a clamping groove (254) provided on one side of the rack (21).

3. A manipulator joint lubrication device according to claim 2, characterized in that: The upper end of the latch (253) is fixedly connected to a return spring (255), and the other end of the return spring (255) is fixed to piston one (7).

4. A manipulator joint lubrication device according to claim 3, characterized in that: The upper end of the latch (253) is fixedly connected to a pull rope (256), and the pull rope (256) passes through the piston (7).

5. A manipulator joint lubrication device according to claim 4, characterized in that: The oil suction assembly (3) comprises a rubber ring (31) arranged on the arc surface of the oil nozzle (15); a cavity ring (32) is fixedly connected to the surface of the rubber ring (31); a plurality of evenly distributed suction ports (33) are formed on the inner arc surface of the cavity ring (32); and a rubber pad (34) is fixedly connected to the surface of the cavity ring (32).

6. A manipulator joint lubrication device according to claim 5, characterized in that: The inner arc surface of the cavity ring (32) is fixedly connected with a connecting rod (35), and the other end of the connecting rod (35) is fixed to the oil nozzle (15).

7. A manipulator joint lubrication device according to claim 6, characterized in that: The circular arc surface of the oil nozzle (15) is slidably connected to an extrusion ring (36), and the extrusion ring (36) is used to extrude the rubber ring (31).

8. A manipulator joint lubrication device according to claim 7, characterized in that: Electric telescopic rods (37) are installed on both sides of the back of the extrusion ring (36), and the electric telescopic rods (37) are fixed to the rectangular block (5).

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