Anti-derailment robot seventh shaft

Abstract

The utility model relates to the technical field of seventh shafts, in particular to an anti-derailment robot seventh shaft which comprises a base, fixing frames are connected to the two ends of the base in a clamped mode through installation mechanisms, limiting anti-derailment mechanisms are installed on the fixing frames, and each installation mechanism comprises a butt joint assembly and a positioning assembly. The positioning assembly comprises multiple sets of reset springs, a mounting groove is formed in the base, the multiple sets of reset springs are arranged and mounted at the two ends of the bottom of the inner side of the mounting groove, a positioning disc is mounted at the top ends of the two sets of reset springs, a rotating seat is rotationally connected to the top end of the positioning disc, and a positioning groove is formed in the top end of the rotating seat. A rotating groove is formed in the position, located above the mounting groove, in the base. The device is simple in structure and convenient to operate, the labor amount of workers is reduced, the working efficiency is improved, and the bolts do not need to be rotated one by one for fixation.

Description

Technical Field

[0001] The utility model relates to the technical field of the seventh axis, in particular to an anti-derailing robot seventh axis. Background Art

[0002] The seventh axis of the robot is also called the robot's external axis, walking axis, and ground track. The ground-type series of the seventh-axis robot uses high-strength steel and high-quality steel plates welded together to ensure its accuracy to the greatest extent and effectively avoid deformation and vibration. In the existing technology, the seventh axis also has the problem of easily derailing the robot, which is not conducive to the stable operation of the robot.

[0003] In order to solve the above-mentioned technical problems, a Chinese patent with announcement number CN217833708U in the prior art discloses a derailment-proof robot seventh axis, comprising a main body, fixed blocks are fixedly installed on both sides of the main body, a fixed plate is fixedly installed on one side of the top of the fixed block, a reinforcing rib is fixedly installed on one side of the fixed block, a slide rail is fixedly installed on the top of the fixed block, a mounting plate is provided on one side of the fixed block, bolts are provided on the mounting plate, the mounting plate is detachably connected to the fixed block by bolts, a connecting plate is fixedly installed on the top of the mounting plate, and a protective plate is fixedly installed on the top of the connecting plate.

[0004] Although the above-mentioned prior art solution can prevent the robot from derailing, its mounting plate is fixed by multiple sets of bolts. During assembly, the staff is required to rotate each set of bolts into the corresponding threaded holes one by one, and the staff is not required to disassemble and assemble, which increases the workload of the staff and affects the assembly efficiency. Utility Model Content

[0005] The utility model aims to provide a robot seventh axis that is anti-derailing, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A seventh axis of an anti-derailing robot comprises a base, both ends of the base are clamped with a fixing frame through a mounting mechanism, a limited anti-derailing mechanism is installed on the fixing frame, the mounting mechanism comprises a docking assembly and a positioning assembly, the positioning assembly comprises multiple groups of return springs, a mounting groove is provided inside the base, multiple groups of return springs are arranged and installed at the two ends of the inner bottom of the mounting groove, the top ends of two groups of return springs are provided with positioning plates, the top end of the positioning plates is rotatably connected with a rotating seat, the top end of the rotating seat is provided with a positioning groove, the inside of the base is provided with a rotating groove above the mounting groove, the inside of the fixing frame is provided with a docking groove extending to the surface of the base above the rotating groove, and the inside of the base is provided with clamping grooves on both sides of the inner top end of the docking groove.

[0008] As a preferred solution of the present invention, the docking assembly includes a pressure rod, which is slidably connected to the inside of the fixed frame, and a positioning block that is engaged with the positioning groove is installed at the bottom of the pressure rod, and clamping blocks are installed at both ends of the outer side of the pressure rod, and the clamping blocks are engaged with the docking groove and the clamping groove. A handle is installed at one end of the pressure rod extending to the outside of the fixed frame, and a movable groove is opened inside the fixed frame on the outside of the pressure rod, and a movable disk that is slidably connected to the movable groove is rotatably connected to the outside of the pressure rod, and extrusion springs are installed at both ends of one side of the movable disk, and the other end of the extrusion spring is installed on the inner wall of the movable groove, and a retraction groove is opened on one side of the movable groove inside the fixed frame.

[0009] As a preferred scheme of the utility model, the limit anti-derail mechanism includes an adjusting component and a limiting component, the adjusting component includes a threaded rod, a placement groove is provided inside the top of the fixed frame, the threaded rod is rotatably connected to the inner side of the placement groove, both ends of the threaded rod are threadedly connected with a movable plate, the fixed frame is provided with a movable groove at the bottom end of the placement groove, the movable plate is slidably connected to the movable groove, a motor is installed at one end of the top of the fixed frame, and the driving end of the motor is extended and fixedly connected to the threaded rod in the inner side of the placement groove.

[0010] As a preferred solution of the utility model, the limiting assembly includes multiple groups of limiting frames, the top of the limiting frame is fixedly connected to the bottom of the movable plate, the inner side of the limiting frame is rotatably connected to multiple groups of limiting rollers, and the outer side of the limiting roller is provided with a rubber protective sleeve.

[0011] As a preferred solution of the utility model, the threads on the left and right sides of the center of the threaded rod are opposite.

[0012] As a preferred solution of the utility model, brackets are installed at both ends of the outer side of the base, the fixing frame can be placed on the top surface of the bracket, and the cross-section of the bracket is "U"-shaped.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, by holding the handle and cooperating with the movable disk and the movable groove to press the pressure rod, the pressure rod drives the positioning block to cooperate with the positioning groove, the rotating seat and the positioning disk to move downward to compress the reset spring, and then the handle is rotated to cooperate with the positioning block and the positioning groove to drive the rotating seat to rotate on the positioning disk, so that the card block moves in the rotating groove. When the card block is aligned with the docking groove port, the handle can be released. At this time, the pressure rod can be pulled up in cooperation with the movable groove and the movable disk, so that the pressure rod drives the card block to disengage from the docking groove and retract into the retraction groove, and then the fixed frame can be lifted up and taken out to complete the disassembly. Conversely, by reversing the above steps, the card block can be clamped into the card slot again by pressing and turning for installation and fixing. The structure is simple and the operation is convenient, which reduces the labor of the staff and improves the work efficiency. There is no need to rotate each group of bolts one by one for fixing.

[0015] 2. In the utility model, the threaded rod is driven to rotate by starting the motor, so that the moving plates at both ends cooperate with the moving grooves to drive the limit frames at both ends to gradually approach the outside of the robot. Since the limit rollers and the limit frames are rotatably connected, they will not hinder the movement of the robot. Limit blocks are provided on both sides to prevent it from tipping over, deviating or getting off the track during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a partial cross-sectional structural schematic diagram of the installation mechanism of the utility model;

[0018] Figure 3 It is a schematic diagram of the local structure of the fixing frame of the utility model.

[0019] In the figure: 1. base; 2. fixed frame; 3. return spring; 4. positioning plate; 5. rotating seat; 6. rotating groove; 7. docking groove; 8. clamping groove; 9. pressure rod; 10. positioning block; 11. clamping block; 12. handle; 13. movable plate; 14. threaded rod; 15. moving plate; 16. motor; 17. limit frame; 18. limit roller; 19. bracket. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Example:

[0022] See also Figure 1-Figure 3 , the utility model provides a technical solution:

[0023] A seventh axis of an anti-derail robot comprises a base 1, both ends of the base 1 are clamped with a fixed frame 2 through a mounting mechanism, a limited anti-derail mechanism is installed on the fixed frame 2, the mounting mechanism comprises a docking assembly and a positioning assembly, the positioning assembly comprises multiple groups of reset springs 3, a mounting groove is provided inside the base 1, multiple groups of reset springs 3 are arranged and installed at both ends of the bottom of the inner side of the mounting groove, positioning plates 4 are installed at the top of the two groups of reset springs 3, a rotating seat 5 is rotatably connected to the top of the positioning plate 4, a positioning groove is provided at the top of the rotating seat 5, a rotating groove 6 is provided inside the base 1 above the mounting groove, a rotating groove 6 is provided inside the fixed frame 2 at the rotating groove A docking groove 7 extending to the surface of the base 1 is provided above the movable groove 6, and a card slot 8 is provided on both sides of the top inner side of the docking groove 7 inside the base 1. The docking assembly includes a pressure rod 9, which is slidably connected to the inside of the fixed frame 2, and a positioning block 10 connected to the positioning groove is installed at the bottom end of the pressure rod 9. Blocks 11 are installed at both ends of the outer side of the pressure rod 9, and the block 11 is connected to the docking groove 7 and the card slot 8. A handle 12 is installed at one end of the pressure rod 9 extending to the outside of the fixed frame 2, and a movable groove is provided inside the fixed frame 2 on the outside of the pressure rod 9, and the outer side of the pressure rod 9 is rotatably connected to a movable disk 1 connected to the movable groove. 3, both ends of one side of the movable disk 13 are equipped with extrusion springs, and the other end of the extrusion spring is installed on the inner wall of the movable groove. A retraction groove is opened inside the fixed frame 2 on one side of the movable groove. Brackets 19 are installed at both ends of the outer side of the base 1. The fixed frame 2 can be placed on the top surface of the bracket 19. The cross-section of the bracket 19 is "U"-shaped. When using the device, the handle 12 can be held and the movable disk 13 and the movable groove can be pressed down by pressing the pressure rod 9, so that the pressure rod 9 drives the positioning block 10 to cooperate with the positioning groove, the rotating seat 5 and the positioning disk 4 to move downward to compress the reset spring 3, and then the handle 12 is rotated to cooperate with the positioning block 10 and the positioning groove to drive the rotating seat 5 and the positioning disk 4 to move downward to compress the reset spring 3. The movable seat 5 rotates on the positioning plate 4 to allow the card block 11 to move in the rotating groove 6. When the card block 11 is aligned with the end of the docking groove 7, the handle 12 can be released. At this time, the pressure rod 9 can be pulled up in cooperation with the movable groove and the movable plate 13, so that the pressure rod 9 drives the card block 11 to disengage from the docking groove 7 and retract into the retraction groove. Then the fixed frame 2 can be lifted up and taken out to complete the disassembly. Conversely, by reversing the above steps, the card block 11 can be clamped into the card slot again by pressing and rotating again for installation and fixing. The structure is simple and the operation is convenient, which reduces the workload of the staff and improves the work efficiency. There is no need to rotate each group of bolts one by one for fixing.

[0024] In this embodiment, if Figure 1 , Figure 2 and Figure 3As shown, the limit anti-derail mechanism includes an adjusting component and a limiting component, the adjusting component includes a threaded rod 14, a placement groove is provided inside the top of the fixed frame 2, the threaded rod 14 is rotatably connected to the inner side of the placement groove, both ends of the threaded rod 14 are threadedly connected with a movable plate 15, a movable groove is provided at the bottom of the placement groove inside the fixed frame 2, the movable plate 15 is slidably connected to the movable groove, a motor 16 is installed at one end of the top of the fixed frame 2, the driving end of the motor 16 extends in the inner side of the placement groove and is fixedly connected to the threaded rod 14, the limit component includes a plurality of limit frames 17, and the limit The top of the frame 17 is fixedly connected to the bottom of the moving plate 15, and a plurality of groups of limit rollers 18 are rotatably connected to the inner side of the limit frame 17. The outer side of the limit roller 18 is provided with a rubber protective sleeve. The threads on the left and right sides of the center of the threaded rod 14 are opposite. By starting the motor 16 to drive the threaded rod 14 to rotate, the moving plates 15 at both ends cooperate with the moving groove to drive the limit frames 17 at both ends to gradually approach the outside of the robot. Since the limit rollers 18 and the limit frames 17 are rotatably connected, they will not hinder the movement of the robot. Limit blocks are provided on both sides to prevent it from tipping over, deviating or getting off the track during movement.

[0025] The implementation principle of the seventh axis of the robot for preventing derailment in the embodiment of the present application is as follows: when in use, the device can hold the handle 12 and cooperate with the movable disk 13 and the movable groove to press the pressure rod 9, so that the pressure rod 9 drives the positioning block 10 to cooperate with the positioning groove, the rotating seat 5 and the positioning disk 4 to move downward to compress the reset spring 3, and then the handle 12 is rotated to cooperate with the positioning block 10 and the positioning groove to drive the rotating seat 5 to rotate on the positioning disk 4, so that the block 11 moves in the rotating groove 6, and the handle 12 can be released when the block 11 is aligned with the port of the docking groove 7. At this time, the pressure rod 9 can be pulled up in cooperation with the movable groove and the movable disk 13, so that the pressure rod 9 drives the block 11 to disengage from the docking groove 7 and retract into the retraction groove. The fixing frame 2 can then be lifted up and taken out to complete the disassembly. Conversely, by reversing the above steps, the card block 11 can be inserted into the card slot again by pressing and turning to be installed and fixed. The structure is simple and easy to operate, which reduces the workload of the staff and improves the work efficiency. There is no need to rotate each group of bolts one by one for fixing. By starting the motor 16 to drive the threaded rod 14 to rotate, the moving plates 15 at both ends cooperate with the moving groove to drive the limiting frames 17 at both ends to gradually approach the outside of the robot. Because the limiting roller 18 is rotatably connected to the limiting frame 17, it will not hinder the movement of the robot. Limiting blocks are performed on both sides to prevent it from tipping over or deviating from the track during movement.

[0026] The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0027] 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 seventh axis of a robot for preventing derailment, comprising a base (1), characterized in that: Both ends of the base (1) are clamped with a fixing frame (2) through a mounting mechanism. A limited anti-derailment mechanism is mounted on the fixing frame (2). The mounting mechanism comprises a docking assembly and a positioning assembly. The positioning assembly comprises a plurality of groups of return springs (3). A mounting groove is provided inside the base (1). The plurality of groups of return springs (3) are arranged and mounted at both ends of the bottom of the inner side of the mounting groove. Positioning plates (4) are mounted on the top ends of the two groups of return springs (3). A rotating seat (5) is rotatably connected to the top end of the positioning plate (4). A positioning groove is provided on the top end of the rotating seat (5). A rotating groove (6) is provided inside the base (1) above the mounting groove. A docking groove (7) extending to the surface of the base (1) is provided inside the fixing frame (2) above the rotating groove (6). A clamping groove (8) is provided on both sides of the inner top end of the docking groove (7) inside the base (1).

2. A robot seventh axis for preventing derailment according to claim 1, characterized in that: The docking assembly comprises a pressure rod (9), the pressure rod (9) being slidably connected to the inside of the fixing frame (2), a positioning block (10) being mounted at the bottom end of the pressure rod (9) and being snap-connected to the positioning groove, a clamping block (11) being mounted at both ends of the outside of the pressure rod (9), the clamping block (11) being snap-connected to the docking groove (7) and the clamping groove (8), a handle (12) being mounted at one end of the pressure rod (9) extending to the outside of the fixing frame (2), a movable groove being arranged at the outside of the pressure rod (9) inside the fixing frame (2), a movable disk (13) being rotatably connected to the outside of the pressure rod (9) and being slidably connected to the movable groove, a compression spring being mounted at both ends of one side of the movable disk (13), the other end of the compression spring being mounted on the inner wall of the movable groove, and a retraction groove being arranged at one side of the movable groove inside the fixing frame (2).

3. A robot seventh axis for preventing derailment according to claim 1, characterized in that: The position limiting anti-derailment mechanism comprises an adjustment component and a position limiting component, the adjustment component comprises a threaded rod (14), a placement groove is provided inside the top of the fixed frame (2), the threaded rod (14) is rotatably connected to the inner side of the placement groove, both ends of the threaded rod (14) are threadedly connected to a movable plate (15), a movable groove is provided inside the fixed frame (2) at the bottom end of the placement groove, the movable plate (15) is slidably connected to the movable groove, a motor (16) is installed at one end of the top of the fixed frame (2), and a driving end of the motor (16) extends inside the placement groove and is fixedly connected to the threaded rod (14).

4. A robot seventh axis for preventing derailment according to claim 3, characterized in that: The limiting assembly comprises a plurality of limiting frames (17), the top of the limiting frame (17) being fixedly connected to the bottom of the movable plate (15), the inner side of the limiting frame (17) being rotatably connected to a plurality of limiting rollers (18), and the outer side of the limiting rollers (18) being provided with a rubber protective sleeve.

5. A robot seventh axis for preventing derailment according to claim 3, characterized in that: The threads on the left and right sides of the center of the threaded rod (14) are opposite.

6. The anti-derailment robot seventh axis according to claim 1, characterized in that: Brackets (19) are installed at both ends of the outer side of the base (1), and the fixing frame (2) can be placed on the top surface of the bracket (19). The cross-section of the bracket (19) is "U"-shaped.

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