Precision bearing for steering of assembly robot

Abstract

The precision bearing for steering of the assembly robot comprises an upper outer ring, a limiting buckle plate is installed on the outer wall of a sliding groove supporting plate in a sleeved mode, a third fixing bolt is installed in the center of the outer wall of the limiting buckle plate in an inserted mode, and the limiting buckle plate and a limiting buckle groove are installed in an inserted mode. The precision bearing for steering of the assembly robot can be mounted with an inner ring in an inserting manner through an inner splicing inserting block and an inner splicing inserting groove, and can be mounted with an upper outer ring and a lower outer ring in an auxiliary manner through a second fixing bolt, an outer splicing inserting block and an outer splicing inserting groove; the upper outer ring and the lower outer ring can slide and rotate with the inner ring through the sliding grooves and the second sliding balls, the upper outer ring and the lower outer ring can be driven to slide and rotate through the first sliding balls and the sliding groove supporting plates, and the supporting cover plates can be subjected to bolt disassembly and assembly through the first fixing bolts, so that the first fixing bolts can be quickly disassembled and assembled conveniently; and the limiting buckle plates can be spliced, disassembled and assembled through third fixing bolts, so that the upper outer ring and the lower outer ring can be disassembled and assembled for use.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a precision bearing for steering an assembly robot. Background Art

[0002] The assembly robot is the core equipment of the flexible automated assembly system, which consists of a robot manipulator, a controller, an end effector and a sensor system. The structural types of the manipulator include horizontal joint type, rectangular coordinate type, multi-joint type and cylindrical coordinate type; the controller generally uses a multi-CPU or multi-level computer system to achieve motion control and motion programming; the end effector is designed into various grippers and wrists to adapt to different assembly objects; the sensor system is used to obtain information on the interaction between the assembly robot and the environment and the assembly object, and the steering mechanism of the assembly robot requires the use of precision bearings. As an important component of the steering device, the steering bearing is required to be able to rotate flexibly and without blocking under the combined load conditions of a large axial load and a certain radial load at the same time.

[0003] The existing CN104565083A steering bearing has an interference fit with the driving shaft during installation, is not easy to fall off during machine operation, and is reliable to install. However, there are some shortcomings. The existing equipment has a single installation structure and poor stability, and a single rotating structure, poor steering performance, and inconvenient parts disassembly and assembly, and cannot be independently disassembled, replaced and used. Therefore, a precision bearing for steering of an assembly robot is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a precision bearing for steering of an assembly robot, so as to solve the problems mentioned in the above background technology that the steering bearing has a single installation structure and poor stability, a single rotating structure and poor steering performance, and parts are inconvenient to disassemble and assemble and cannot be independently disassembled, replaced and used.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision bearing for steering of an assembly robot, comprising an upper outer ring, a lower outer ring is installed at the lower end of the upper outer ring, and an inner ring is installed on the inner walls of the upper outer ring and the lower outer ring, an outer splicing slot is provided at the upper end of the upper outer ring and the lower end of the lower outer ring, and a second fixing bolt is inserted and installed on one side of the outer splicing slot, an outer splicing plug-in block is inserted and installed on the inner wall of the outer splicing slot, a sliding groove is provided at the upper end of the upper outer ring and the inner wall of the lower outer ring, a second sliding ball is slidably inlaid and installed on the outer wall of the inner ring, and the second sliding ball is slidably inserted and installed with the sliding groove, and the inner wall of the inner ring An inner splicing slot is provided, and an inner splicing plug-in block is installed on the inner wall of the inner splicing slot. A support cover plate is installed on the upper and lower ends of the inner ring, and a first fixing bolt is installed on the edge of one end of the support cover plate. The lower end of the upper outer ring and the upper end of the lower outer ring are both slidably inlaid with a first sliding bead, and a slide groove support plate is clamped between the first sliding beads. A limiting buckle plate is installed on the outer wall of the slide groove support plate, and a third fixing bolt is installed on the center position of the outer wall of the limiting buckle plate. A limiting buckle groove is provided on the lower end of the outer wall of the upper outer ring and the upper end of the outer wall of the lower outer ring, and the limiting buckle plate is installed with the limiting buckle groove.

[0006] Preferably, the upper outer ring is slidably connected to the inner ring via a second sliding ball, and the upper outer ring is slidably connected to the lower outer ring via a first sliding ball.

[0007] Preferably, the inner splicing plug-in block is installed in a positioning and plug-in manner with the inner ring through an inner splicing slot, and both the inner splicing plug-in block and the inner splicing slot are gear structures.

[0008] Preferably, the inner ring and the second sliding ball are installed in a limited support manner with the upper outer ring through a support cover plate, and the support cover plate is bolt-fixed with the inner ring through a first fixing bolt, and the inner ring is a symmetrical two-group split structure.

[0009] Preferably, the outer splicing plug-in block is installed by plugging and splicing with the upper outer ring and the lower outer ring through the outer splicing slot, and the outer splicing plug-in block is installed by bolt fixing with the outer splicing slot through the second fixing bolt.

[0010] Preferably, the slide groove support plate is installed in a limited splicing manner with the upper outer ring and the lower outer ring in the limiting buckle groove through a limiting buckle plate, and the limiting buckle plate is a symmetrically distributed semi-annular structure.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the precision bearing for steering of the assembly robot can be installed by plugging it into the inner ring through the inner splicing block and the inner splicing slot, and can be auxiliary installed with the upper outer ring and the lower outer ring through the second fixing bolt, the outer splicing block and the outer splicing slot, and the upper outer ring and the lower outer ring can slide and rotate with the inner ring through the slide groove and the second slide ball, and can be driven to slide and rotate by the first slide ball and the slide groove support plate, and the support cover plate can be disassembled and assembled by the first fixing bolt, which is convenient for quick disassembly and assembly of the first fixing bolt, and the limit buckle plate can be spliced ​​and disassembled by the third fixing bolt, so that the upper outer ring and the lower outer ring can be disassembled and assembled for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a precision bearing for steering an assembly robot according to the utility model;

[0013] Figure 2 This is a cross-sectional view of a precision bearing for steering an assembly robot according to the utility model;

[0014] Figure 3 This is a side cross-sectional view of a precision bearing for steering an assembly robot according to the utility model;

[0015] Figure 4 This utility model is a precision bearing for assembling robot steering Figure 2 Enlarged view of point A in the middle;

[0016] Figure 5 This utility model is a precision bearing for assembling robot steering Figure 2 Enlarged view of point B in the middle;

[0017] Figure 6 This utility model is a precision bearing for assembling robot steering Figure 3 Enlarged view of center C.

[0018] In the figure: 1. upper outer ring, 2. support cover plate, 3. inner splicing block, 4. first fixing bolt, 5. inner ring, 6. first sliding ball, 7. second fixing bolt, 8. outer splicing block, 9. slide groove, 10. second sliding ball, 11. outer splicing slot, 12. inner splicing slot, 13. limit buckle groove, 14. slide groove support plate, 15. limit buckle plate, 16. third fixing bolt, 17. lower outer ring. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-6 The utility model provides a technical solution: a precision bearing for steering of an assembly robot, comprising an upper outer ring 1, a support cover plate 2, an inner splicing block 3, a first fixing bolt 4, an inner ring 5, a first sliding ball 6, a second fixing bolt 7, an outer splicing block 8, a slide groove 9, a second sliding ball 10, an outer splicing slot 11, an inner splicing slot 12, a limiting buckle groove 13, a slide groove support plate 14, a limiting buckle plate 15, a third fixing bolt 16 and a lower outer ring 17, wherein the lower outer ring 17 is mounted on the lower end of the upper outer ring 1, and the inner ring 5 is mounted on the inner walls of the upper outer ring 1 and the lower outer ring 17, the upper outer ring 1 is slidably connected to the inner ring 5 through the second sliding ball 10, and the upper outer ring 1 is slidably connected to the lower outer ring 17 through the first sliding ball 6, so that the upper outer ring 1, the inner ring 5 and the lower outer ring 17 can be rotated horizontally and vertically, and the steering effect is good.

[0021] The inner ring 5 and the second sliding ball 10 are installed with the upper outer ring 1 in a limited support through the support cover plate 2, and the support cover plate 2 is fixed with the inner ring 5 by bolts through the first fixing bolt 4. The inner ring 5 is a symmetrical two-group split structure, so that the inner ring 5 and the second sliding ball 10 can be quickly disassembled and assembled for use by opening and closing the support cover plate 2. An outer splicing slot 11 is provided at the upper end of the upper outer ring 1 and the lower end of the lower outer ring 17, and a second fixing bolt 7 is inserted and installed on one side of the outer splicing slot 11, and an outer splicing block 8 is inserted and installed on the inner wall of the outer splicing slot 11. The outer splicing block 8 is inserted and spliced ​​with the upper outer ring 1 and the lower outer ring 17 through the outer splicing slot 11, and the outer splicing block 8 is fixed with the outer splicing slot 11 by bolts through the second fixing bolt 7, so that the outer splicing block 8 can be conveniently installed by inserting bolts through the second fixing bolt 7 and the outer splicing slot 11.

[0022] A slide groove 9 is provided on the upper end of the upper outer ring 1 and the inner wall of the lower outer ring 17, a second slide ball 10 is slidably inlaid on the outer wall of the inner ring 5, and the second slide ball 10 is slidably inserted and installed with the slide groove 9, an inner splicing slot 12 is provided on the inner wall of the inner ring 5, and an inner splicing block 3 is inserted and installed on the inner wall of the inner splicing slot 12, the inner splicing block 3 is positioned and inserted with the inner ring 5 through the inner splicing slot 12, and both the inner splicing block 3 and the inner splicing slot 12 are gear structures, so that the inner splicing block 3 and the inner splicing slot 12 can be assisted in installation and the installation is stable.

[0023] The upper and lower ends of the inner ring 5 are covered with a support cover plate 2, and a first fixing bolt 4 is inserted and installed at the edge of one end of the support cover plate 2. The lower end of the upper outer ring 1 and the upper end of the lower outer ring 17 are both slidably inlaid with a first sliding ball 6, and a slide groove support plate 14 is clamped and distributed between the first sliding balls 6. The slide groove support plate 14 is limitedly spliced ​​and installed with the upper outer ring 1 and the lower outer ring 17 in the limiting buckle groove 13 through the limiting buckle plate 15, and the limiting buckle plate 15 is a symmetrically distributed semi-annular structure, so that the slide groove support plate 14 can be conveniently installed through the limiting buckle plate 15 to assist the upper end of the upper outer ring 1 and the lower outer ring 17 to be installed, and the use is stable. The outer wall of the slide groove support plate 14 is sleeved and installed with a limiting buckle plate 15, and the center position of the outer wall of the limiting buckle plate 15 is inserted and installed with a third fixing bolt 16. The lower end of the outer wall of the upper outer ring 1 and the upper end of the outer wall of the lower outer ring 17 are both provided with a limiting buckle groove 13, and the limiting buckle plate 15 is inserted and installed with the limiting buckle groove 13.

[0024] Working principle: When using the precision bearing for steering of the assembly robot, first assemble and install the device, then plug and install the device with the assembly robot equipment through the inner splicing block 3 and the inner splicing slot 12, and then fix it with auxiliary plug-in bolts through the second fixing bolt 7, the outer splicing block 8 and the outer splicing slot 11. When the assembly robot turns, it can rotate in two directions horizontally and vertically through the first sliding ball 6 and the second sliding ball 10. When the inner ring 5 and the second sliding ball 10 need to be replaced, the first fixing bolt 4 can be loosened, the support cover 2 can be removed, and then the inner ring 5 and the second sliding ball 10 can be quickly plugged and disassembled. When one of the upper outer ring 1 and the lower outer ring 17 is damaged, the limit buckle plate 15 can be removed, the lock can be released, and the upper outer ring 1 and the lower outer ring 17 can be disassembled and replaced independently. This is the use process of the precision bearing for steering of the assembly robot.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A precision bearing for steering of an assembly robot, comprising an upper outer ring (1), a lower outer ring (17) being mounted at the lower end of the upper outer ring (1), and inner rings (5) being mounted on the inner walls of the upper outer ring (1) and the lower outer ring (17), characterized in that: The upper end of the upper outer ring (1) and the lower end of the lower outer ring (17) are both provided with an outer splicing slot (11), and a second fixing bolt (7) is inserted and installed on one side of the outer splicing slot (11), and an outer splicing plug-in block (8) is inserted and installed on the inner wall of the outer splicing slot (11). The upper end of the upper outer ring (1) and the inner wall of the lower outer ring (17) are provided with a sliding groove (9), and a second sliding bead (10) is slidably inlaid and installed on the outer wall of the inner ring (5), and the second sliding bead (10) is slidably inserted and installed with the sliding groove (9). The inner wall of the inner ring (5) is provided with an inner splicing slot (12), and an inner splicing plug-in block (3) is inserted and installed on the inner wall of the inner splicing slot (12). The upper and lower ends of the inner ring (5) are provided with a plurality of inner splicing slots (12). The end cover is installed with a support cover plate (2), and a first fixing bolt (4) is inserted and installed at the edge of one end of the support cover plate (2); the lower end of the upper outer ring (1) and the upper end of the lower outer ring (17) are both slidably inlaid with a first sliding ball (6), and a slide groove support plate (14) is clamped and distributed between the first sliding balls (6); the outer wall of the slide groove support plate (14) is sleeved and installed with a limiting buckle plate (15), and the center position of the outer wall of the limiting buckle plate (15) is inserted and installed with a third fixing bolt (16); the lower end of the outer wall of the upper outer ring (1) and the upper end of the outer wall of the lower outer ring (17) are both provided with a limiting buckle groove (13), and the limiting buckle plate (15) is inserted and installed with the limiting buckle groove (13).

2. A precision bearing for steering of an assembly robot according to claim 1, characterized in that: The upper outer ring (1) is slidably connected to the inner ring (5) via a second sliding ball (10), and the upper outer ring (1) is slidably connected to the lower outer ring (17) via a first sliding ball (6).

3. A precision bearing for steering of an assembly robot according to claim 2, characterized in that: The inner splicing plug-in block (3) is installed in a positioning and plug-in manner with the inner ring (5) via the inner splicing slot (12), and both the inner splicing plug-in block (3) and the inner splicing slot (12) are gear structures.

4. A precision bearing for steering of an assembly robot according to claim 3, characterized in that: The inner ring (5) and the second sliding ball (10) are installed in a limited support manner with the upper outer ring (1) via the support cover plate (2), and the support cover plate (2) is bolt-fixedly installed with the inner ring (5) via the first fixing bolt (4), and the inner ring (5) is a symmetrical two-group split structure.

5. A precision bearing for steering of an assembly robot according to claim 4, characterized in that: The outer splicing plug-in block (8) is installed by plugging and splicing with the upper outer ring (1) and the lower outer ring (17) through the outer splicing slot (11), and the outer splicing plug-in block (8) is installed by bolt fixation with the outer splicing slot (11) through the second fixing bolt (7).

6. A precision bearing for steering of an assembly robot according to claim 5, characterized in that: The slide groove support plate (14) is installed in a limited position splicing manner with the upper outer ring (1) and the lower outer ring (17) in the limited position buckle groove (13) via a limited position buckle plate (15), and the limited position buckle plate (15) is a symmetrically distributed semi-annular structure.

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