Industrial robot joint cable guiding device

Abstract

The utility model discloses an industrial robot joint cable guiding device, which relates to the technical field of industrial robots, and comprises a robot joint and a cable, the cable is arranged on the outer side of the robot joint, a fixed shell is fixedly arranged on the outer side of the robot joint, a sliding block is arranged in the fixed shell in a sliding manner, and the sliding block is arranged on the outer side of the robot joint. A vertical rod is fixedly arranged on the upper side of the sliding block, one end of the vertical rod extends to the outer side of the fixing shell, a groove is formed in one end of the outer side of the vertical rod, a rotating rod is rotationally arranged in the groove, a first guide wheel fixedly sleeves the rod wall of the rotating rod, and the middle end of the cable abuts against the side, away from the vertical rod, of the first guide wheel. A spring is fixedly connected between the side, away from the vertical rod, of the sliding block and the inner wall of the fixing shell. And guide shells are fixedly arranged on the two sides of the robot joint correspondingly. According to the utility model, the cable at the joint of the robot can be smoothly guided, the friction on the cable is reduced, and the service life of the cable is prolonged.

Description

Technical Field

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

[0002] Various types of industrial 6-axis multi-joint robots have been developed for automated / unmanned factories and have been quickly installed in various manufacturing sites. Since each joint of the robot uses a motor, especially for light-load robots, the motor is generally placed at the end of the robot. However, the cables are particularly prone to wear at the joints of the robot body, causing the motor to malfunction and often cause alarms or leakage hazards. Utility Model Content

[0003] In view of the above problems existing in the existing industrial robot joint cable guiding device, the present utility model is proposed.

[0004] Therefore, the purpose of the utility model is to provide an industrial robot joint cable guiding device, which solves the problem that in the prior art, industrial robots generally place the motor at the end of the robot, which makes the cable particularly easy to wear at the joint of the robot body, causing the motor to malfunction and often alarm or cause leakage risk.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An industrial robot joint cable guiding device comprises a robot joint and a cable, wherein the cable is arranged on the outside of the robot joint, a fixed shell is fixedly arranged on the outside of the robot joint, a slider is slidably arranged inside the fixed shell, a vertical rod is fixedly arranged on the upper side of the slider, one end of the vertical rod extends to the outside of the fixed shell, a groove is provided at one end of the outside of the vertical rod, a rotating rod is rotatably arranged inside the groove, a first guide wheel is fixedly sleeved on the rod wall of the rotating rod, a middle end of the cable is in conflict with a side of the first guide wheel away from the vertical rod, and a spring is fixedly connected between a side of the slider away from the vertical rod and the inner wall of the fixed shell;

[0007] Guide shells are fixedly arranged on both sides of the robot joint, both sides of the cable pass through the corresponding guide shells, and a first guide mechanism is arranged inside the guide shell;

[0008] Second guiding mechanisms are arranged on both sides of the lower end of the fixed shell.

[0009] Preferably, the first guide mechanism includes a mounting shell and guide rollers, the plurality of mounting shells are respectively fixedly disposed on both sides of the guide shell, the plurality of guide rollers are rotatably disposed on the inner sides of the corresponding mounting shells, and the guide rollers on both sides respectively contact with both sides of the cable.

[0010] Preferably, the second guide mechanism includes a U-shaped plate and a second guide wheel, the two U-shaped plates are fixedly arranged on both sides of the lower end of the fixed shell, the inner sides of the two U-shaped plates are rotatably provided with axle pins, and the two second guide wheels are fixedly sleeved on the rod walls of the corresponding axle pins, and both ends of the cable are in conflict with the side of the corresponding second guide wheel close to the fixed shell.

[0011] Preferably, the plurality of guide rollers are all rubber rollers.

[0012] Preferably, the first guide wheel and the second guide wheel are both rubber wheels.

[0013] Preferably, the cross sections of the sliding block and the fixed shell are both rectangular.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] The utility model can make the two ends of the cable move to both sides when the robot joint is extended, so that the middle end of the cable presses the first guide wheel downward to keep the cable taut; when the robot joint is contracted, the spring pushes the slider to reset, so that the first guide wheel moves away from the fixed shell, that is, it can push the cable in the direction away from the robot joint and continue to keep the cable taut, that is, always keep the cable from contacting the robot joint and maintain smooth sliding, thereby reducing the friction on the cable and increasing the service life of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 The utility model is a structural schematic diagram of an industrial robot joint cable guiding device.

[0018] Figure 2 for Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0019] Figure 3 for Figure 1 A three-dimensional view of the middle guide wheel.

[0020] Description of reference numerals:

[0021] 1. Robot joint; 2. Fixed shell; 3. Slider; 4. Vertical rod; 5. Rotating rod; 6. First guide wheel; 7. Cable; 8. Spring; 9. Guide shell; 10. Mounting shell; 11. Guide roller; 12. U-shaped plate; 13. Axle pin; 14. Second guide wheel. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] The utility model embodiment discloses an industrial robot joint cable guiding device.

[0024] Reference Figure 1-3 , an industrial robot joint cable guiding device, comprising a robot joint 1 and a cable 7, the cable 7 is arranged on the outside of the robot joint 1, a fixed shell 2 is fixedly arranged on the outside of the robot joint 1, a slider 3 is slidably arranged inside the fixed shell 2, the cross-sections of the slider 3 and the fixed shell 2 are both rectangular, so that the slider 3 cannot rotate, that is, it can slide stably, a vertical rod 4 is fixedly arranged on the upper side of the slider 3, one end of the vertical rod 4 extends to the outside of the fixed shell 2, a groove is opened at one end of the outer side of the vertical rod 4, a rotating rod 5 is rotatably arranged inside the groove, a rod wall of the rotating rod 5 is fixedly sleeved with a first guide wheel 6, the middle end of the cable 7 conflicts with the side of the first guide wheel 6 away from the vertical rod 4, and a spring 8 is fixedly connected between the side of the slider 3 away from the vertical rod 4 and the inner wall of the fixed shell 2;

[0025] Guide shells 9 are fixedly provided on both sides of the robot joint 1 , and both sides of the cable 7 pass through the corresponding guide shells 9 .

[0026] Reference Figure 1-3 A first guide mechanism is arranged inside the guide shell 9, and the first guide mechanism includes a mounting shell 10 and a guide roller 11. A plurality of mounting shells 10 are respectively fixedly arranged on both sides of the inside of the guide shell 9, and a plurality of guide rollers 11 are rotatably arranged on the inner sides of the corresponding mounting shells 10. The guide rollers 11 on both sides respectively contact with both sides of the cable 7, and the plurality of guide rollers 11 are all rubber rollers, which reduce the wear on the cable 7.

[0027] Reference Figure 1-3 A second guide mechanism is provided on both sides of the lower end of the fixed shell 2, and the second guide mechanism includes a U-shaped plate 12 and a second guide wheel 14. The two U-shaped plates 12 are fixedly provided on both sides of the lower end of the fixed shell 2, and the inner sides of the two U-shaped plates 12 are rotatably provided with axle pins 13. The two second guide wheels 14 are fixedly sleeved on the rod walls of the corresponding axle pins 13. Both ends of the cable 7 are in conflict with the corresponding side of the second guide wheel 14 close to the fixed shell 2. The first guide wheel 6 and the second guide wheel 14 are both rubber wheels to reduce the wear on the cable 7.

[0028] In the utility model, during use, when the robot joint 1 is extended, the two ends of the cable 7 will move to both sides, that is, the middle end of the cable 7 will press the first guide wheel 6 downward, so that the cable 7 remains taut, and when the robot joint 1 contracts, the spring 8 pushes the slider 3 to reset, that is, the first guide wheel 6 moves away from the fixed shell 2, that is, it can push the cable 7 away from the robot joint 1, and continue to keep the cable 7 taut, that is, always keep the cable 7 from contacting the robot joint 1, and through the guidance of the second guide wheels 14 on both sides and multiple guide rollers 11, the cable 7 is kept to slide smoothly, the friction on the cable 7 is reduced, and the service life of the cable 7 is increased.

[0029] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An industrial robot joint cable guiding device, comprising a robot joint (1) and a cable (7), characterized in that: The cable (7) is arranged on the outside of the robot joint (1), a fixed shell (2) is fixedly arranged on the outside of the robot joint (1), a slider (3) is slidably arranged inside the fixed shell (2), a vertical rod (4) is fixedly arranged on the upper side of the slider (3), one end of the vertical rod (4) extends to the outside of the fixed shell (2), a groove is opened at one end of the outside of the vertical rod (4), a rotating rod (5) is rotatably arranged inside the groove, a rod wall of the rotating rod (5) is fixedly sleeved with a first guide wheel (6), a middle end of the cable (7) is in contact with a side of the first guide wheel (6) away from the vertical rod (4), and a spring (8) is fixedly connected between the side of the slider (3) away from the vertical rod (4) and the inner wall of the fixed shell (2); Guide shells (9) are fixedly arranged on both sides of the robot joint (4), both sides of the cable (7) pass through the corresponding guide shells (9), and a first guide mechanism is arranged inside the guide shell (9); Second guiding mechanisms are arranged on both sides of the lower end of the fixed shell (2).

2. The industrial robot joint cable guiding device according to claim 1, characterized in that: The first guide mechanism comprises a mounting shell (10) and guide rollers (11); a plurality of the mounting shells (10) are respectively fixedly arranged on both sides of the inside of the guide shell (9); a plurality of the guide rollers (11) are rotatably arranged on the inner sides of the corresponding mounting shells (10); and the guide rollers (11) on both sides are respectively in contact with both sides of the cable (7).

3. The industrial robot joint cable guiding device according to claim 1, characterized in that: The second guide mechanism comprises a U-shaped plate (12) and a second guide wheel (14), the two U-shaped plates (12) being fixedly arranged on both sides of the lower end of the fixed shell (2), the inner sides of the two U-shaped plates (12) being rotatably provided with an axle pin (13), the two second guide wheels (14) being fixedly sleeved on the rod wall of the corresponding axle pin (13), and both ends of the cable (7) being in contact with the side of the corresponding second guide wheel (14) close to the fixed shell (2).

4. The industrial robot joint cable guiding device according to claim 2, characterized in that: The plurality of guide rollers (11) are all rubber rollers.

5. The industrial robot joint cable guiding device according to claim 3, characterized in that: The first guide wheel (6) and the second guide wheel (14) are both rubber wheels.

6. The industrial robot joint cable guiding device according to claim 1, characterized in that: The cross sections of the sliding block (3) and the fixed shell (2) are both rectangular.

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