Device for preventing electrical fault of robot

Abstract

The utility model relates to the technical field of robots, and discloses a device for preventing an electrical fault of a robot, which comprises an industrial robot and a cable interface arranged on the industrial robot, the cable interface is connected with a cable, and a shell is connected on the industrial robot through a fastening bolt and is positioned on the outer side of the cable interface. Wherein a cable can penetrate through the shell to be connected with the cable interface; the connecting sleeve is arranged on the shell in a penetrating mode, one end of the connecting sleeve is open, the other end of the connecting sleeve is closed, the open end of the connecting sleeve penetrates and extends to the outer side of the shell, the closed end of the connecting sleeve is arranged on the inner side of the shell, and the cable penetrates through the connecting sleeve and is connected with the cable interface. The device for preventing the electrical faults of the robot aims at solving the problems that a cable connector of the robot is prone to being subjected to electrochemical corrosion under the severe working environments such as moisture and high temperature, and consequently the electrical faults such as connector loosening, poor contact and even short circuit are caused.

Description

Technical Field

[0001] The utility model relates to the technical field of robots, in particular to a device for preventing electrical failures of robots. Background Art

[0002] With the widespread application of automation technology, industrial robots have become an indispensable part of modern industrial production lines, especially in key equipment such as cleaning machines, where robots are responsible for completing parts cleaning tasks efficiently and accurately. However, robots working in harsh environments such as humidity and high temperature are prone to electrochemical corrosion of their cable connectors, leading to electrical faults such as loose connectors, poor contact, and even short circuits. These faults not only affect the normal operation of the production line, but may also cause serious safety accidents such as fire or explosion, posing a huge threat to personnel and equipment.

[0003] Regarding the sealing and moisture-proof protection of the cable joints of the cleaning machine, although the existing technology provides a variety of methods, each method has its limitations. Although the special cable sealing sleeve can temporarily isolate moisture, it is easy to fail after long-term use due to material aging and environmental influences; insulating material wrapping can enhance insulation and moisture-proof performance, but the aging and cracking of materials and heat dissipation problems cannot be ignored; filling moisture-proof agent can absorb moisture, but the effect is limited by the service life and capacity, and it cannot cope with accumulated water or humid environment; waterproof box / protective cover can effectively isolate the external environment, but it needs regular maintenance, and its material and size may affect the heat dissipation and service life of the cable. Therefore, there are certain disadvantages. Therefore, a device for preventing electrical failure of the robot is proposed to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The purpose of the utility model is to solve the problem that the cable joints of the robot are easily subjected to electrochemical corrosion in harsh working environments such as humidity and high temperature, resulting in electrical faults such as loose joints, poor contact and even short circuits, and to propose a device for preventing electrical faults of the robot.

[0006] (II) Technical solution

[0007] The technical solution of the utility model to solve the above technical problems is as follows:

[0008] A device for preventing electrical failure of a robot comprises an industrial robot and a cable interface arranged on the industrial robot, wherein the cable interface is connected to a cable.

[0009] A housing, which is connected to the industrial robot by fastening bolts and is located outside the cable interface, wherein the cable can pass through the housing and be connected to the cable interface;

[0010] A connecting sleeve is provided on the outer shell, wherein one end of the connecting sleeve is open and the other end is closed, the open end of the connecting sleeve passes through and extends to the outer side of the outer shell, and the closed end is placed on the inner side of the outer shell, and the cable passes through the connecting sleeve and is connected to the cable interface;

[0011] A fixing member, which is disposed on the surface of the housing and is connected to the outer side of the open end of the connecting sleeve, and is used to fix the connecting sleeve to the housing;

[0012] The outer rubber sleeve is fixedly mounted on the inner side of the connecting sleeve, and the inner surface of the outer rubber sleeve is provided with a first inclined slope;

[0013] An inner rubber sleeve is arranged on the inner side of the outer rubber sleeve, and the inner side is in contact with the outer surface of the cable, wherein the outer surface of the inner rubber sleeve is provided with a second inclined slope matching the first inclined slope;

[0014] The abutment is arranged on the outer surface of the shell and contacts one end of the inner rubber sleeve. When the abutment is moved, the inner rubber sleeve is tightly attached to the outer side of the cable to complete the sealing protection of the cable interface in the shell.

[0015] On the basis of the above technical solution, the present invention can also be improved as follows.

[0016] Furthermore, a sealing rubber pad is provided between the shell and the industrial robot, wherein the overall shape of the sealing rubber pad is matched with the shape of the opening of the shell.

[0017] Furthermore, a pressure gauge is arranged on the surface of the shell, and a one-way valve is also arranged on the shell, wherein positive pressure air can be filled into the shell through the one-way valve.

[0018] Furthermore, the fixing piece is a nut, an external thread matching the nut is processed on the surface of the connecting sleeve, an opening of the connecting sleeve passes through the shell and is connected to the nut, and a sealing gasket is arranged between the fixing piece and the shell.

[0019] Furthermore, the abutment member comprises:

[0020] The shaping heads are fixedly mounted on the surface of the shell, and there are two of them, and a first bending portion is provided at one end away from the shell;

[0021] A through-tube is arranged inside the connecting sleeve, and one end of the through-tube is in contact with the end of the inner rubber sleeve, wherein the cable is placed inside the through-tube; and

[0022] The pressure plate is fixedly mounted on the surface of the outlet tube, and two of them are symmetrically distributed. A second bending portion is also provided at the end of the pressure plate. The first bending portion and the second bending portion are in contact with each other, and the first bending portion is used to block the second bending portion.

[0023] Furthermore, the outlet tube and the connecting sleeve are coaxially arranged.

[0024] (III) Beneficial effects

[0025] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0026] By providing an outer shell and a connecting sleeve, external protection can be provided for the cable interface, and the direct influence of the external environment on the cable interface can be effectively isolated. The double-layer rubber structure of the outer rubber sleeve and the inner rubber sleeve, combined with the design of the first inclined slope and the second inclined slope, can ensure the close fit between the cable and the connecting sleeve, thereby providing a better sealing protection effect and preventing the intrusion of moisture, water and corrosive substances. The design of the fixing part enables the connecting sleeve to be firmly installed on the outer shell to ensure the stability of the structure. By adjusting the abutment, the tightness of the inner rubber sleeve to the cable can be flexibly controlled to adapt to cables of different diameters, while ensuring the sealing effect, and the outer The shell is connected to the industrial robot by fastening bolts, which is easy to install and disassemble, and convenient for the inspection and maintenance of the cable interface. The device can effectively cope with harsh environments such as humidity and high temperature, and protect the cable interface from electrical faults such as electrochemical corrosion. The design of double-layer rubber sleeves and inclined slopes increases the durability and adaptability of the device, and improves its reliability in extreme environments. Tight sealing protection can reduce the occurrence of electrical failures, thereby reducing the downtime and maintenance costs of the production line caused by electrical failures. At the same time, it reduces the risk of safety accidents caused by electrical failures, such as fire or explosion, and ensures the safety of personnel and equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the connection structure between the industrial robot and the cable interface of the utility model;

[0028] Figure 2 This is a schematic diagram of the connection structure between the industrial robot and the housing of the utility model;

[0029] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;

[0030] Figure 4 It is a schematic diagram of the cross-sectional structure of the housing of the utility model;

[0031] Figure 5 For this utility model Figure 4 Enlarged view of point B in the middle.

[0032] In the figure: 1. industrial robot; 2. cable interface; 3. housing; 4. connecting sleeve; 5. fixing piece; 6. outer rubber sleeve; 7. inner rubber sleeve; 8. abutment piece; 81. forming head; 82. outlet tube; 83. pressure plate; 9. sealing rubber pad; 10. pressure gauge; 11. one-way valve. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Combination Figure 1-Figure 5 As shown, a device for preventing electrical failure of a robot according to the utility model comprises an industrial robot 1 and a cable interface 2 arranged on the industrial robot 1, wherein the cable interface 2 is connected to a cable.

[0035] A housing 3 is connected to the industrial robot 1 by fastening bolts and is located outside the cable interface 2, wherein the cable can pass through the housing 3 and be connected to the cable interface 2;

[0036] The connecting sleeve 4 is provided on the outer shell 3, wherein one end of the connecting sleeve 4 is open and the other end is closed, the open end of the connecting sleeve 4 passes through and extends to the outer side of the outer shell 3, and the closed end is placed on the inner side of the outer shell 3, and the cable passes through the connecting sleeve 4 and is connected to the cable interface 2;

[0037] A fixing member 5 is disposed on the surface of the housing 3 and connected to the outer side of the opening end of the connecting sleeve 4, and is used to fix the connecting sleeve 4 to the housing 3;

[0038] The outer rubber sleeve 6 is fixedly mounted on the inner side of the connecting sleeve 4, and the inner surface of the outer rubber sleeve 6 is provided with a first inclined slope;

[0039] The inner rubber sleeve 7 is arranged on the inner side of the outer rubber sleeve 6, and the inner side is in contact with the outer surface of the cable, wherein the outer surface of the inner rubber sleeve 7 is provided with a second inclined slope matching the first inclined slope; Figure 5 For example, the closed end of the connecting sleeve 4 is set as the right side, the open end of the connecting sleeve 4 is set as the left side, the inner diameter of the outer rubber sleeve 6 gradually decreases from left to right, and the outer diameter of the inner rubber sleeve 7 gradually decreases from left to right. By setting it into a specific shape, the outer rubber sleeve 6 and the inner rubber sleeve 7 can fit tightly;

[0040] The abutment member 8 is arranged on the outer surface of the outer shell 3 and contacts one end of the inner rubber sleeve 7. Under the abutment of the abutment member 8, the inner rubber sleeve 7 is tightly attached to the outer side of the cable to complete the sealing protection of the cable interface 2 in the outer shell 3.

[0041] The outer shell 3 is tightly connected to the industrial robot 1 by fastening bolts, ensuring that the outer shell 3 is firmly located on the outer side of the cable interface 2. The design of the outer shell 3 allows the cable to pass through it and be connected to the cable interface 2. The connecting sleeve 4 is arranged on the outer shell 3, one end of which is open and extends to the outside of the outer shell 3, and the other end is closed and located inside the outer shell 3. The cable enters through the open end of the connecting sleeve 4, passes through the connecting sleeve 4 and is connected to the cable interface 2. The fixing member 5 is arranged on the outer shell 3 and connected to the outer side of the open end of the connecting sleeve 4, ensuring that the connecting sleeve 4 is stably fixed on the outer shell 3. The outer rubber sleeve 6 is fixedly installed on the inner side of the connecting sleeve 4, and its inner surface is provided with a first inclined slope. This design allows the outer rubber sleeve 6 to provide a certain degree of adaptability according to the shape and size of the cable when the cable passes through. The inner rubber sleeve 7 is arranged on the inner side of the outer rubber sleeve 6 and directly contacts the outer surface of the cable. The outer surface of the inner rubber sleeve 7 is provided with a second inclined slope that matches the first inclined slope, which enables the inner rubber sleeve 7 to be able to Under the guidance of the rubber sleeve 6, it fits tightly on the outside of the cable. The abutment 8 is arranged on the outer surface of the outer shell 3 and contacts with one end of the inner rubber sleeve 7. By adjusting the position of the fixing member 5 or applying appropriate force, the inner rubber sleeve 7 can be driven to fit more closely on the outside of the cable, thereby achieving a better sealing effect. This design allows the tightness of the seal to be flexibly adjusted according to the actual situation and needs of the cable. Through the double-layer rubber structure of the outer rubber sleeve 6 and the inner rubber sleeve 7, and the inclined slope design between them, the device can achieve a tight seal between the cable and the cable interface 2. This seal can effectively isolate the cable interface 2 from the erosion of external moisture, corrosive substances, etc., and prevent the occurrence of electrical faults. In summary, the device for preventing electrical faults of the robot achieves effective sealing protection between the cable and the cable interface 2 through the coordinated work of the outer shell 3, the connecting sleeve 4, the fixing member 5, the outer rubber sleeve 6, the inner rubber sleeve 7 and the abutment 8, thereby improving the electrical safety of the robot in harsh environments.

[0042] In a preferred embodiment, the present invention can be further configured as follows: Figures 1 to 5As shown; a sealing rubber pad 9 is arranged between the housing 3 and the industrial robot 1, wherein the overall shape of the sealing rubber pad 9 is adapted to the shape of the opening of the housing 3, and a sealing rubber pad 9 is added at the connection between the industrial robot 1 and the housing 3. The main function of the sealing rubber pad 9 is to provide additional sealing and buffering effects to ensure that the connection between the housing 3 and the industrial robot 1 will not have a gap or looseness due to external factors such as moisture, dust, vibration, etc. The overall shape of the sealing rubber pad 9 is adapted to the shape of the opening of the housing 3. This means that the sealing rubber pad 9 can be completely filled in the connection gap between the housing 3 and the industrial robot 1 to achieve seamless docking. This shape-adaptive design ensures that the sealing rubber pad 9 can effectively prevent harmful substances such as external moisture and dust from entering the interior, and protect the electrical safety of the cable interface 2 and the cable. The material of the sealing rubber pad 9 is usually selected from rubber materials with good elasticity and sealing. When the housing 3 is connected to the industrial robot 1 by fastening bolts, the sealing rubber pad 9 will be squeezed and deformed to a certain extent, so that it fits more closely with the connection surface of the housing 3 and the industrial robot 1. This tight fit further enhances the sealing effect and effectively prevents the external environment from corroding the internal electrical components. In addition to the sealing function, the sealing rubber pad 9 also has a certain buffering effect. During the operation of the industrial robot 1, factors such as vibration and impact may cause looseness or gaps in the connection between the housing 3 and the industrial robot 1. The presence of the sealing rubber pad 9 can absorb these vibrations and impacts, reduce their impact on the connection, and thus improve the stability and reliability of the entire device.

[0043] In a preferred embodiment, the present invention can be further configured as follows: Figures 1 to 5As shown; a pressure gauge 10 is arranged on the surface of the shell 3, and a one-way valve 11 is also arranged on the shell 3, wherein positive pressure air can be filled into the shell 3 through the one-way valve 11. In order to further enhance the protective effect of the device for preventing electrical failures of the robot, the design of the shell 3 is expanded, specifically including the arrangement of a pressure gauge 10 and a one-way valve 11. The pressure gauge 10 is installed on the surface of the shell 3 to monitor the air pressure inside the shell 3 in real time. Through the pressure gauge 10, the operator can intuitively understand the air pressure state inside the shell 3, thereby judging whether the sealing effect is good. If the air pressure value displayed by the pressure gauge 10 drops, it indicates that there may be a leak inside the shell 3, and timely measures need to be taken to repair it. The one-way valve 11 is also arranged on the shell 3, which allows positive pressure air to flow into the shell 3 in one direction, while To prevent internal air from flowing out, the operator can fill positive-pressure air into the shell 3 through the one-way valve 11 to keep the shell 3 in a certain positive pressure state. The positive-pressure environment can effectively prevent external moisture, dust and other harmful substances from entering the interior through the gap between the cable and the shell 3, thereby protecting the electrical safety of the cable interface 2 and the cable. When positive-pressure protection is required inside the shell 3, the operator can fill positive-pressure air into the shell 3 through the one-way valve 11. As the positive-pressure air is filled, the air pressure inside the shell 3 gradually increases, and the indication of the barometer 10 also increases accordingly. When the air pressure reaches the preset value, the one-way valve 11 is closed, and the inside of the shell 3 is maintained in a stable positive pressure state. This positive-pressure environment can effectively prevent erosion from the external environment and improve the electrical safety of the cable interface 2 and the cable.

[0044] In a preferred embodiment, the present invention can be further configured as follows: Figures 1 to 5As shown; the fixing member 5 is a nut, and an external thread matching the nut is processed on the surface of the connecting sleeve 4. The opening of the connecting sleeve 4 penetrates the shell 3 and is connected to the nut, wherein a sealing gasket is arranged between the fixing member 5 and the shell 3, and an external thread is processed on the outer surface of the connecting sleeve 4. These external threads match the internal threads of the nut fixing member 5. When the nut is rotated, it moves along the external thread of the connecting sleeve 4, thereby realizing a close connection or separation with the connecting sleeve 4. The opening of the connecting sleeve 4 is designed to be large enough to allow it to penetrate the shell 3, so that the nut can be connected to or separated from the connecting sleeve 4 through the opening on the shell 3. The sealing gasket arranged between the nut and the outer shell 3 plays a key role. When the nut is tightened onto the connecting sleeve 4, the sealing gasket will be compressed to fill any small gap between the nut and the outer shell 3. This compressed state ensures the sealing between the nut and the outer shell 3. By rotating the nut, the connecting sleeve 4 can be tightened or loosened. When the inner rubber sleeve 7 needs to be pressed against the outside of the cable, the nut can be tightened to make it tightly connected with the connecting sleeve 4, and the second slope of the inner rubber sleeve 7 is squeezed by the first inclined slope of the outer rubber sleeve 6, and the sealing is ensured by the sealing gasket. When separation or disassembly is required, the nut only needs to be rotated in the opposite direction to separate it from the connecting sleeve 4.

[0045] In a preferred embodiment, the present invention can be further configured as follows: Figures 1 to 5 As shown; the abutment member 8 comprises:

[0046] The shaping heads 81 are fixedly mounted on the surface of the housing 3. There are two shaping heads 81, and a first bending portion is provided at one end away from the housing 3.

[0047] The outlet tube 82 is disposed inside the connecting sleeve 4, and one end of the outlet tube 82 inside contacts the end of the inner rubber sleeve 7, wherein the cable is placed inside the outlet tube 82; and

[0048] The pressing plate 83 is fixedly mounted on the surface of the passing tube 82, and the number of the pressing plate 83 is two and symmetrically distributed. The end of the pressing plate 83 is also provided with a second bending portion, the first bending portion and the second bending portion are in contact with each other, and the first bending portion is used to block the second bending portion. The abutment 8 is composed of three main parts: a configuration head 81, a passing tube 82 and a pressing plate 83. These parts work together to ensure the stability and sealing of the cable in the device. The configuration head 81 is fixedly mounted on the surface of the housing 3, and the number of the configuration head 81 is two. They are symmetrically distributed to ensure the stable clamping of the cable. The end of the configuration head 81 away from the housing 3 is provided with a first bending portion. The main function of this first bending portion is to interact with the second bending portion on the pressing plate 83. The passing tube 82 is arranged on the inner side of the connecting sleeve 4 and is a channel for the cable to pass through. One end of it is in contact with the end of the inner rubber sleeve 7 to ensure the sealing of the cable when passing through. The cable is placed on the inner side of the passing tube 82 and enters or leaves the inner rubber sleeve 7 through it. The outlet tube 82 provides a stable passage for the cable to prevent the cable from being damaged or twisted during movement. The pressing plates 83 are fixedly mounted on the surface of the outlet tube 82, and there are two of them, which are symmetrically distributed. This symmetrical distribution ensures that the cable can obtain uniform clamping force on both sides. The ends of the pressing plates 83 are provided with second bends, which are in contact with the first bends on the configuration head 81. When the pressing plate 83 is subjected to external force, such as when the cable is inserted or pulled out, it will move relative to the outlet tube 82, but its range of movement is limited by the contact between the first bend and the second bend. When the cable is inserted or pulled out, the pressing plate 83 moves accordingly according to the diameter and position of the cable. Since the ends of the pressing plates 83 are provided with second bends, and these second bends are in contact with the first bend on the configuration head 81, the range of movement of the pressing plates 83 is limited. This limitation ensures that the cable is properly clamped when passing through the outlet tube 82, preventing the cable from loosening or shifting. The design of the first bending part and the second bending part allows a certain amount of movement space for the cable when it is inserted or removed, but at the same time ensures the fixation of the cable in a stable state. This design improves the flexibility and adaptability of the device, so that cables of different diameters can be well fixed and sealed. The contact portion between the inner rubber sleeve 7 and the outlet tube 82 ensures the sealing of the cable when it passes through, preventing external dust, moisture and other harmful substances from entering the interior of the device. At the same time, the softness of the inner rubber sleeve 7 also provides additional protection for the cable, reducing the wear and damage of the cable during movement.

[0049] In a preferred embodiment, the present invention can be further configured as follows: Figures 1 to 5As shown; the outlet tube 82 and the connecting sleeve 4 are coaxially arranged, and the outlet tube 82 and the connecting sleeve 4 are coaxially arranged, which means that the central axes of the two coincide. This design is very critical in the device for fixing and sealing cables because it ensures the smoothness and stability of the cable when passing through these two components. When the outlet tube 82 and the connecting sleeve 4 are coaxial, the cable can pass through the inside of the shell 3 along a straight channel and enter or leave the inner rubber sleeve 7. The design of this straight channel reduces the bending and friction of the cable during movement, thereby improving the life and stability of the cable. Due to the coaxial arrangement, the cable will not encounter too much obstruction or twisting when passing through the outlet tube 82 and the connecting sleeve 4. This design ensures that the cable can be easily inserted or unplugged, reducing the risk of cable damage or breakage caused by improper operation. The coaxial arrangement also helps to improve the sealing of the device. When the cable is fully inserted into the outlet tube 82 and the connecting sleeve 4, the inner rubber sleeve 7 can fit tightly with the cable to prevent external moisture, dust and other harmful substances from entering the inside of the shell 3 through the gap. At the same time, due to the coaxial straight channel design, the cable is not easily displaced when moving, which further enhances the sealing of the device.

[0050] Device composition and installation

[0051] The device is designed to prevent electrical failures of an industrial robot 1, especially at a cable interface 2. The device comprises a housing 3, which is fixed to the industrial robot 1 by fastening bolts and is located outside the cable interface 2. The cable is connected to the cable interface 2 through the housing 3.

[0052] The connecting sleeve 4 passes through the housing 3, one end of which is open and extends to the outside of the housing 3, and the other end is closed and located inside the housing 3. The cable passes through the connecting sleeve 4 and is connected to the cable interface 2.

[0053] Sealing and fixing mechanism

[0054] The outer rubber sleeve 6 and the inner rubber sleeve 7 are fixedly mounted on the inner side of the connecting sleeve 4, and the inner surface thereof has a first inclination slope. The inner rubber sleeve 7 is arranged on the inner side of the outer rubber sleeve 6, in contact with the outer surface of the cable, and the outer surface thereof has a second inclination slope that matches the first inclination slope. When the inner rubber sleeve 7 is abutted by the abutting member 8, it will be pressed against the cable due to the inclination slope of the outer rubber sleeve 6 to achieve sealing. The abutting member 8 includes a configuration head 81, a passing tube 82 and a pressing plate 83. The configuration head 81 is fixed on the outer shell 3, and its first bending portion is in contact with the second bending portion of the pressing plate 83 to form a blocking mechanism. The passing tube 82 is located on the inner side of the connecting sleeve 4, and one end is in contact with the inner rubber sleeve 7. The pressing plate 83 is fixed on the passing tube 82, and the inner rubber sleeve 7 can be driven to be pressed against the cable by adjusting the position of the pressing plate 83. When the inner rubber sleeve 7 needs to be pressed against the outer side of the cable, it can be achieved by tightening the nut. As the nut is tightened, it pushes the connecting sleeve 4 and the outer rubber sleeve 6 to move. The first inclined slope of the outer rubber sleeve 6 squeezes the second slope of the inner rubber sleeve 7, causing the inner rubber sleeve 7 to deform and fit tightly against the cable. At the same time, the compressed state of the sealing gasket ensures the sealing of the entire connection structure.

[0055] The fixing member 5 as a fixing member of a nut is connected to the outer side of the open end of the connecting sleeve 4. By rotating the nut, the connecting sleeve 4 can be fixed or loosened. The sealing gasket arranged between the fixing member 5 and the housing 3 ensures the sealing of the connection.

[0056] The sealing rubber pad 9 is installed between the housing 3 and the industrial robot 1. Its shape is adapted to the opening of the housing 3 to enhance the overall sealing. The pressure gauge 10 and the one-way valve 11: The pressure gauge and the one-way valve provided on the housing 3 allow positive pressure air to be filled into the housing 3 to further prevent the entry of external pollutants. At the same time, the pressure gauge can monitor the air pressure state in the housing 3.

[0057] Workflow

[0058] The cable passes through the connecting sleeve 4 and is connected to the cable interface 2. By adjusting the pressure plate 83 in the abutment 8, the inner rubber sleeve 7 is tightly attached to the cable to achieve sealing. Rotate the fixing member 5, i.e., the nut, to fix the connecting sleeve 4 on the housing 3. If necessary, positive pressure air can be filled into the housing 3 through the one-way valve 11 to enhance the sealing effect. When it is necessary to maintain or replace the cable, rotate the fixing member 5 in the opposite direction to loosen the connecting sleeve 4, and then adjust the abutment 8 to loosen the inner rubber sleeve 7 to facilitate the removal of the cable.

[0059] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0060] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for preventing electrical failure of a robot, comprising an industrial robot (1) and a cable interface (2) arranged on the industrial robot (1), wherein a cable is connected to the cable interface (2), characterized in that: A housing (3) connected to the industrial robot (1) by means of fastening bolts and located outside the cable interface (2), wherein the cable can pass through the housing (3) and be connected to the cable interface (2); A connecting sleeve (4) is arranged through the outer shell (3), wherein one end of the connecting sleeve (4) is open and the other end is closed, the open end of the connecting sleeve passes through and extends to the outside of the outer shell (3), and the closed end is placed on the inside of the outer shell (3); the cable passes through the connecting sleeve (4) and is connected to the cable interface (2); A fixing member (5) is disposed on the surface of the housing (3) and is connected to the outer side of the open end of the connecting sleeve (4), and is used to fix the connecting sleeve (4) to the housing (3); An outer rubber sleeve (6) is fixedly mounted on the inner side of the connecting sleeve (4), and an inner surface of the outer rubber sleeve is provided with a first inclined slope; An inner rubber sleeve (7) is arranged on the inner side of the outer rubber sleeve (6), and the inner side is in contact with the outer surface of the cable, wherein the outer surface of the inner rubber sleeve (7) is provided with a second inclined slope matching the first inclined slope; The abutment member (8) is arranged on the outer surface of the outer shell (3) and contacts one end of the inner rubber sleeve (7), wherein the inner rubber sleeve (7) is tightly attached to the outer side of the cable under the abutment of the abutment member (8) to complete the sealing protection of the cable interface (2) in the outer shell (3).

2. A device for preventing electrical failure of a robot according to claim 1, characterized in that: A sealing rubber pad (9) is provided between the housing (3) and the industrial robot (1), wherein the overall shape of the sealing rubber pad (9) is adapted to the shape of the opening of the housing (3).

3. A device for preventing electrical failure of a robot according to claim 1, characterized in that: A pressure gauge (10) is arranged on the surface of the outer shell (3), and a one-way valve (11) is also arranged on the outer shell (3), wherein positive pressure air can be filled into the inner part of the outer shell (3) through the one-way valve (11).

4. A device for preventing electrical failure of a robot according to claim 1, characterized in that: The fixing member (5) is a nut, and an external thread matching the nut is processed on the surface of the connecting sleeve (4). The opening of the connecting sleeve (4) passes through the outer shell (3) and is connected to the nut, wherein a sealing gasket is arranged between the fixing member (5) and the outer shell (3).

5. The device for preventing electrical failure of a robot according to claim 1, characterized in that: The abutment member (8) comprises: The shaping heads (81) are fixedly mounted on the surface of the housing (3), there are two shaping heads (81), and a first bending portion is provided at one end away from the housing (3); A through-tube (82) is arranged inside the connecting sleeve (4), and one end of the through-tube (82) inside contacts the end of the inner rubber sleeve (7), wherein the cable is placed inside the through-tube (82); and The pressing plate (83) is fixedly mounted on the surface of the outlet tube (82), and the number of the pressing plate (83) is two and they are symmetrically distributed, wherein the end of the pressing plate (83) is also provided with a second bending portion, the first bending portion and the second bending portion are in contact with each other, and the first bending portion is used to block the second bending portion.

6. A device for preventing electrical failure of a robot according to claim 5, characterized in that: The outlet tube (82) and the connecting sleeve (4) are coaxially arranged.

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