Industrial robot safety protection system

Abstract

The utility model provides a safety protection system for an industrial robot, which relates to the field of industrial robots and comprises an annular fixed base and a ranging radar, a signal processor is arranged in the ranging radar and electrically connected with a control module through a wire, and a universal adjusting seat is arranged at the bottom of the ranging radar. A base is arranged at the bottom of the universal adjusting seat, two first L-shaped fixing clamps are symmetrically arranged on one side of the base, two movable clamp assemblies are symmetrically arranged on the other side of the base, the base is installed on an annular fixing base through the first L-shaped fixing clamps and the movable clamp assemblies, and the annular fixing base is made of rubber. A plurality of clamping grooves are formed in one side of the annular fixing base in an array mode, irregular textures are arranged on one sides of the clamping grooves, limiting grooves are formed in the side, opposite to the clamping grooves, of the annular fixing base, the clamping grooves and the limiting grooves are the same in notch size, and the limiting grooves are sleeved with connector clamping sleeves. The device can effectively prevent safety accidents caused by the fact that operators mistakenly enter the operation range of the industrial robot.

Description

Technical Field

[0001] The utility model belongs to the field of industrial robots, and in particular relates to a safety protection system for industrial robots. Background Art

[0002] Industrial robots have been widely used in industrial production while improving labor productivity and labor intensity, while reducing the requirements for workers' operating skills and can work in harmful environments. However, industrial robots only replace part of human labor and are not fully automated. Operators are required to operate and regularly maintain the industrial robots.

[0003] Based on the above, the inventors have discovered the following problems: when industrial robots are working, due to differences in personal safety operation concepts and factory safety management and control, the operator may enter the operating range of the industrial robot while the industrial robot is operating, which may lead to production safety accidents, causing factory losses and personal injuries. However, due to the need to control the production cost and subsequent maintenance cost of industrial robots, they are not equipped with a complete external perception system, and most of them use passive measures such as installing guardrails to provide safety protection. However, the installation of guardrails requires the occupation of space, which can easily reduce the available operating area, and is not easy to adjust and move.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and an industrial robot safety protection system is provided to achieve a more practical purpose. Utility Model Content

[0005] The purpose and effect of the industrial robot safety protection system of the utility model are achieved by the following specific technical means:

[0006] An industrial robot safety protection system comprises an annular fixed base and a ranging radar, wherein a signal processor is arranged inside the ranging radar, and the signal processor is electrically connected to a control module through a wire, a universal adjustment seat is arranged at the bottom of the ranging radar, a base is arranged at the bottom of the universal adjustment seat, two L-shaped fixed clamps are symmetrically arranged on one side of the base, and two movable clamp assemblies are symmetrically arranged on the other side of the base, and the base is installed on the annular fixed base through the L-shaped fixed clamp and the movable clamp assembly, the annular fixed base is made of rubber material, a plurality of card slots are arranged in an array on one side of the annular fixed base, and irregular textures are arranged on one side of the card slot, and a plurality of limiting grooves are arranged on the side opposite to the card slot of the annular fixed base, the slots and the limiting grooves have the same notch size, and a joint sleeve is mounted on the limiting groove.

[0007] Furthermore, the two movable card assemblies include an L-shaped fixed card 2, a rotating shaft, a rotating shaft top block, a spring and a rotating shaft base. The L-shaped fixed card 2 is provided with rotating shafts on both sides. The middle of the rotating shaft base is a rectangular hollow structure. The semicircular side of the rotating shaft top block clamps the rotating shaft to form a sliding connection in the rotating shaft base. The spring is compressed and installed in the gap between the rotating shaft top block and the rotating shaft base.

[0008] Furthermore, the connector sleeve includes a first connecting plate, a second connecting plate, a connecting hinge and a fixing through hole. The first connecting plate is connected to the second connecting plate through a connecting hinge. The surfaces of the first connecting plate and the second connecting plate are provided with a plurality of fixing through holes corresponding to the positions.

[0009] Furthermore, the signal processor includes a no-approach signal, an approach signal, a stop signal, a low-frequency scanning signal, and a high-frequency scanning signal.

[0010] Furthermore, the control module includes normal operation instructions, speed slowing instructions, stop working instructions, input execution password instructions, maintenance instructions and light and sound alarms.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. Through the use of an annular fixed base, a card slot, a limit slot, an irregular texture and a joint sleeve, the notches of the card slot and the limit slot can be meshed, and then locked through the joint sleeve, so that the annular fixed base can be installed on the base of the industrial robot in a surrounding manner, and an irregular texture is provided on one side of the card slot to increase the friction to ensure that the annular fixed base will not slip, so that the safety protection device can be flexibly arranged. Because the surrounding fixed base is made of rubber material, it has a certain plasticity and will not cause damage to the outer shell of the industrial robot, thereby expanding the installation range of the safety protection device.

[0013] 2. By using the card slot and the movable card assembly, the L-shaped fixed card and the base together, the ranging radar can be flexibly arranged. The ranging radar can be arranged in the direction where people may approach, thereby saving costs. The universal adjustment seat can be used in conjunction with the ranging radar to flexibly adjust the direction of the radar transmitting surface, thereby reducing the measurement blind area of ​​the ranging radar and the repeated measurement area of ​​the ranging radar, improving the integrity of the protection area of ​​the industrial robot safety protection device, and thereby improving the effectiveness of safety protection.

[0014] 3. Through the coordinated use of ranging radar and signal processing device, the signal of ranging radar is analyzed and classified by the signal processing device and fed back to the ranging radar to adjust the scanning frequency of ranging radar, thereby increasing the service life of ranging radar and reducing the subsequent maintenance cost.

[0015] 4. Through the coordinated use of the signal processing device and the control module, the signal analyzed and classified by the signal processing device is transmitted to the control module. The control module controls the industrial robot to switch between normal operation, speed reduction and stop operation according to different signals. When the industrial robot is in the speed reduction state, the control module synchronously gives an alarm and a warning light to remind the staff. When the staff leaves, the normal working state is restored, so that early warning and expulsion can be achieved, thereby achieving the purpose of protecting the staff. At the same time, the industrial robot can operate uninterruptedly, ensuring the normal working efficiency of the industrial robot. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a plan view of the installation effect of an industrial robot safety protection system.

[0017] Figure 2 The utility model is a three-dimensional structural schematic diagram of an industrial robot safety protection system.

[0018] Figure 3 The utility model is a schematic diagram of the planar structure of an active card component in a safety protection system for an industrial robot.

[0019] Figure 4 The utility model is a schematic diagram of the three-dimensional structure of a connector sleeve in a safety protection system of an industrial robot.

[0020] Figure 5 The utility model is a schematic diagram of the division of distance determination areas of a ranging radar in a safety protection system for an industrial robot.

[0021] Figure 6 The utility model discloses a flow chart of ranging radar signals in a safety protection system for an industrial robot.

[0022] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0023] 1. Annular fixed base; 2. Ranging radar; 3. Signal processor; 4. Universal adjustment seat; 5. Base; 6. L-shaped fixing card 1; 7. Movable card assembly; 8. Card slot; 9. Limiting slot; 10. Connector sleeve; 11. Control module; 12. Irregular texture; 701. L-shaped fixing card 2; 702. Rotating shaft; 703. Rotating shaft top block; 704. Spring; 705. Rotating shaft base; 1001. First connecting plate; 1002. Second connecting plate; 1003. Connecting hinge; 1004. Fixed through hole. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0025] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Example:

[0028] As attached Figure 1 To Attachment Figure 6 As shown:

[0029] The utility model provides an industrial robot safety protection system, comprising an annular fixed base 1 and a ranging radar 2, wherein a signal processor 3 is arranged in the ranging radar 2, and the signal processor 3 is electrically connected to a control module 11 through a wire, and a universal adjustment seat 4 is arranged at the bottom of the ranging radar 2, and a base 5 is arranged at the bottom of the universal adjustment seat 4. By cooperating with the ranging radar 2, the universal adjustment seat 4 and the base 5, the angle of the ranging radar 2 can be freely adjusted, thereby ensuring the integrity of the scanning area of ​​the ranging radar 2 and improving the effectiveness of safety protection, one side of the bottom of the base 5 is symmetrically provided with two L-shaped fixed cards 6, and the other side of the base 5 is symmetrically provided with two movable card components 7, and the base 5 is installed on the annular fixed base 1 through the L-shaped fixed card 6 and the movable card component 7, and the annular fixed base 1 is made of rubber, and one side of the annular fixed base 1 is arrayed with a plurality of card slots 8, through By inserting the L-shaped fixed card 1 6 and the movable card assembly 7 into the card slot 8, the ranging radar 2 can be stably installed on the annular fixed base 1. At the same time, the number and position of the ranging radar 2 can be flexibly adjusted according to actual conditions to reduce the installation cost of this safety protection system. One side of the card slot 8 is provided with an irregular texture 12, and the annular fixed base 1 is provided with a limiting groove 9 on the opposite side of the card slot 8. The slots of the card slot 8 and the limiting groove 9 are the same size, and a joint sleeve 10 is set on the limiting groove 9. By using the limiting groove 9 and the card slot 8 together, the limiting groove 9 and the slot 8 are meshed, so that the annular fixed base 1 can be installed around the surface of the base of the industrial robot, and the connection part is fixed and locked by the joint sleeve 10, and the friction between the annular fixed base 1 and the mounting surface is increased by the irregular texture 12 on the card slot 8, so as to ensure the stability of the annular fixed base 1 and prevent it from falling off from the mounting surface.

[0030] Among them, the two movable card components 7 include L-shaped fixed card 2 701, shaft 702, shaft top block 703, spring 704 and shaft base 705. The L-shaped fixed card 2 701 is provided with shafts 702 on both sides. The shaft base 705 is a rectangular hollow structure in the middle. The semicircular side of the shaft top block 703 clamps the shaft 702 to form a sliding connection in the shaft base 705. The spring 704 is compressed and installed in the gap between the shaft top block 703 and the shaft base 705. 03, the spring 704 applies pressure to the shaft top block 703 to limit the movement of the shaft 702, so that one side of the L-shaped fixed card 2 701 can fit tightly with the base 5, and the end of the L-shaped fixed card 2 701 away from the shaft 702 is stuck in the slot 8, thereby realizing the fixing effect of the active card assembly 7 on the base 5, and when adjustment is needed, the spring 704 is compressed, the L-shaped fixed card 2 701 is disengaged from the slot 8 and rotated, and the fixing effect of the active card assembly 7 on the base 5 is released, so that the position of the ranging radar 2 can be flexibly adjusted.

[0031] Among them, the connector sleeve 10 includes a first connecting plate 1001, a second connecting plate 1002, a connecting hinge 1003 and a fixing through hole 1004. The first connecting plate 1001 and the second connecting plate 1002 are connected by the connecting hinge 1003. The surfaces of the first connecting plate 1001 and the second connecting plate 1002 are provided with a plurality of fixing through holes 1004 corresponding to the positions. The first connecting plate 1001, the second connecting plate 1002, the connecting hinge 1003 and the fixing through holes 1004 are used together to join the first connecting plate 1001 and the second connecting plate 1002, and the fixing through holes 1004 are tightened with screws, so that the first connecting plate 1001 and the second connecting plate 1002 apply pressure to the meshing position of the card slot 8 and the limit slot 9 on the annular fixing base 1 to make the two tightly connected, thereby ensuring the reliability of the installation of the annular fixing base 1.

[0032] Wherein, the signal processor 3 includes a normal signal, a proximity signal, a stop signal, a low-frequency scanning signal and a high-frequency scanning signal. The ranging radar 2 and the signal processor 3 are used in conjunction with each other. The signal processor 3 receives the scanning signal of the ranging radar 2 and analyzes and classifies the scanning signal into normal signals, proximity signals, stop signals, low-frequency scanning signals and high-frequency scanning signals according to the measured distance. When the ranging radar 2 determines that the person is located in the radar identification area and the outer area, the signal processor 3 sends a normal signal to the control module 11 and sends a low-frequency scanning signal to the ranging radar 2, so that the ranging radar 2 maintains a low-frequency scanning state, thereby increasing the service life of the ranging radar 2 and reducing subsequent maintenance costs. When the ranging radar 2 determines that the person is located in the warning area or the stop operation area, the signal processor 3 sends a warning signal and a stop signal to the control module 11 and sends a high-frequency scanning signal to the ranging radar 2. At this time, the ranging radar 2 runs at full power, which improves the measurement accuracy and ensures the safety of the operation area. (For the division of the distance determination area of ​​the ranging radar 2, see Figure 5 )

[0033] Among them, the control module 11 includes normal operation instructions, speed slowing instructions, stop work instructions, input execution password instructions, maintenance instructions and light and sound alarms. Through the normal operation instructions, speed slowing instructions, stop work instructions, input execution password instructions, maintenance instructions and light and sound alarms, when the normal signal sent by the signal processor 3 is received, the control module 11 sends a normal operation instruction to the industrial robot, and the industrial robot is in a normal working state at this time. When the control module 11 receives the approach signal sent by the signal processor 3, the control module 11 sends a speed slowing instruction to the industrial robot, and the industrial robot is in a slow running state at this time. At the same time, the control module 11 sends a light and sound alarm. When the control module 11 receives the stop signal sent by the signal processor 3, the control module 11 sends a stop work instruction to the industrial robot, and the industrial robot is in a stopped operation state. At the same time, the light and sound alarms of the control module 11 are stronger. The reliability of this safety protection system is further improved through the method of early detection and early warning.

[0034] The specific usage and function of this embodiment are as follows:

[0035] The annular fixed base 1 is installed on the base of the industrial robot in a circular manner, so that the slots 8 and the limit slots 9 at both ends of the annular fixed base 1 are meshed with each other, and then the joint sleeve 10 is installed at the meshing position to close the first connecting plate 1001 and the second connecting plate 1002. At this time, screws are screwed on the fixed through hole 1004 so that the fixed sleeve 10 completely clamps the meshing position of the slot 8 and the limit slot 9. At the position where the ranging radar 2 needs to be arranged, the L-shaped fixed card 1 6 and the movable card assembly 7 are respectively inserted into the slot 8, so that the ranging radar 2 can be firmly installed on the annular fixed base 1, and then the direction of the ranging radar 2 is adjusted by the universal adjustment seat 4. Finally, the ranging radar 2 is connected to the control module 11, and the power is turned on to make the ranging radar 2 work. The above steps can effectively prevent safety accidents caused by operators mistakenly entering the operating range of the industrial robot, and ensure the normal working efficiency of the industrial robot through early prevention and early reminder, and improve the problem of reduced utilization of the factory operating area due to the arrangement of fences.

[0036] The implementation methods of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can make changes to the above embodiments within the scope of the present invention.

Claims

1. An industrial robot safety protection system, comprising an annular fixed base (1) and a ranging radar (2), characterized in that: A signal processor (3) is arranged inside the ranging radar (2), and the signal processor (3) is electrically connected to a control module (11) via a wire. A universal adjustment seat (4) is arranged at the bottom of the ranging radar (2), and a base (5) is arranged at the bottom of the universal adjustment seat (4). Two L-shaped fixing cards (6) are symmetrically arranged on one side of the bottom of the base (5), and two movable card assemblies (7) are symmetrically arranged on the other side of the base (5). The base (5) is fixed by the L-shaped fixing card. (6) and the movable card assembly (7) are installed on the annular fixed base (1), the annular fixed base (1) is made of rubber material, a plurality of card slots (8) are arranged in an array on one side of the annular fixed base (1), one side of the card slot (8) is provided with an irregular texture (12), the annular fixed base (1) is provided with a limiting groove (9) on the side opposite to the card slot (8), the slot openings of the card slot (8) and the limiting groove (9) are the same size, and a joint sleeve (10) is mounted on the limiting groove (9).

2. An industrial robot safety protection system as claimed in claim 1, characterized in that: The two movable card assemblies (7) comprise an L-shaped fixed card (701), a rotating shaft (702), a rotating shaft top block (703), a spring (704) and a rotating shaft base (705); the rotating shaft (702) is arranged on both sides of the L-shaped fixed card (701); the rotating shaft base (705) is a rectangular hollow structure in the middle; a semicircular side of the rotating shaft top block (703) clamps the rotating shaft (702) to form a sliding connection in the rotating shaft base (705); and the spring (704) is compressed and installed in the gap between the rotating shaft top block (703) and the rotating shaft base (705).

3. An industrial robot safety protection system as claimed in claim 1, characterized in that: The connector sleeve (10) comprises a first connecting plate (1001), a second connecting plate (1002), a connecting hinge (1003) and a fixing through hole (1004); the first connecting plate (1001) and the second connecting plate (1002) are connected via the connecting hinge (1003); and the surfaces of the first connecting plate (1001) and the second connecting plate (1002) are provided with a plurality of fixing through holes (1004) at corresponding positions.

4. An industrial robot safety protection system as claimed in claim 1, characterized in that: The signal processor (3) includes a no-approach signal, an approach signal, a stop signal, a low-frequency scanning signal and a high-frequency scanning signal.

5. An industrial robot safety protection system as claimed in claim 1, characterized in that: The control module (11) includes normal operation instructions, speed slowing instructions, work stop instructions, input execution password instructions, maintenance instructions, and light and sound alarms.

Images