Bearing for robot positioner

Abstract

The utility model discloses a bearing for a robot positioner, which comprises a fixed outer ring, a fixed inner ring and a bearing frame, a positioning frame is rotatably mounted outside the fixed inner ring, fixed grooves are uniformly distributed on the positioning frame, shaft columns are rotatably mounted inside the fixed grooves, the fixed outer ring is rotatably mounted outside the shaft columns, and the fixed outer ring is rotatably mounted outside the fixed outer ring. An oil guide hole is formed in one side of the fixing outer ring, three sets of positioning blocks are fixedly installed outside the fixing outer ring, three sets of positioning grooves are formed in the bearing frame and fixedly connected with the positioning blocks, a base is fixedly installed at the bottom of the bearing frame, and bolt holes are formed in the two sides of the base. According to the utility model, the positioning groove is matched with the positioning block, so that the bearing can be fixed, the condition of external rotation of the bearing during use is avoided, and the stability of the bearing during use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field, concretely is a kind of for robot positioner bearing. BACKGROUND

[0002] Bearing can withstand radial load, but also can withstand bidirectional axial load, for robot positioner bearing has two rows of rollers, mainly withstand radial load, can also withstand axial load in any direction, have high radial load capacity, especially suitable for heavy load or vibration load under work, wherein the application number is "CN103758859B" the "precise dress rolling combination bearing" disclosed, it has solved the load capacity of existing bearing limited, cannot simultaneously withstand several aspects of axial load various disadvantages, after further search is found, the application number "CN213548456U" the "bearing pair and bearing pair assembly" disclosed, it is through the specific technical structure setting, practically solve the existing bearing adopts rigid loading mode, axial rigidity is very big, temperature change leads to thermal expansion and cold shrinkage to make the axial length expansion and contraction change between inner and outer ring, can greatly change the size of bearing preload, is greatly influenced by external temperature and other technical disadvantages, but in actual use, the positioner bearing with similar structure still has many defects, for example: the existing robot positioner bearing does not have protection function, after long time use, rainwater can cause internal rotation difficult situation, at the same time, it is inconvenient for staff to install it during use, reduces the practicability of robot positioner bearing, so a kind of robot positioner bearing needs to be designed. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of for robot positioner bearing to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of for robot positioner bearing, including fixed outer ring and fixed inner ring, bearing frame, the outer portion of fixed inner ring is rotatably installed with positioning frame, the positioning frame is evenly arranged with fixed slot, the inner portion of fixed slot is rotatably installed with shaft column, the outer portion of shaft column is rotatably installed with fixed outer ring, and the side of fixed outer ring is equipped with oil guide hole, the outer portion of fixed outer ring is fixedly installed with three groups of positioning block, the inside of bearing frame is equipped with three groups of positioning slot, and positioning slot is fixedly connected with positioning block, the bottom of bearing frame is fixedly installed with base, and the two sides of base are equipped with bolt hole.

[0005] Preferably, the top of the bearing frame is fixedly installed with a protective seat, and the top of the protective seat is fixedly installed with a protective plate.

[0006] Preferably, the inner portion of the fixed inner ring is evenly provided with anti-skid lines.

[0007] Preferably, the front and back of the bearing frame are evenly provided with fixing ribs.

[0008] Preferably, one side of the top of the bearing frame is fixedly provided with a lubricating port, and a sealing plug used in cooperation is movably arranged on the lubricating port.

[0009] Preferably, the bottom of the base is fixedly provided with two groups of rubber pads.

[0010] Compared with the prior art, the utility model has the beneficial effects that: the utility model sets up the positioning frame and the shaft column cooperation, realizes the aligning function of the bearing, avoids the situation that the shaft column falls off when the bearing is aligned, increases the stability when using, sets up the oil guide hole and can add the butter to the bearing, avoids the situation that the bearing runs not smoothly because of the rain or the foreign matter in the bearing when the bearing is used for a long time, improves the practicality of the device, sets up the positioning groove and the positioning block cooperation, can fix the bearing, avoids the situation that the bearing rotates outside when using, increases the stability when the bearing is used, sets up the bearing frame and installs the cooperation, can protect the bearing and fix it, is convenient for the staff to install and fix. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the front structure schematic view of the utility model;

[0012] Figure 2 It is the bearing frame sectional view schematic view of the utility model;

[0013] Figure 3 It is the fixed outer ring structure schematic view of the utility model;

[0014] Figure 4 It is the fixed inner ring structure schematic view of the utility model.

[0015] In the drawing: 1, rubber pad; 2, base; 3, bolt hole; 4, bearing frame; 5, fixed outer ring; 6, shaft column; 7, positioning frame; 8, fixed inner ring; 9, anti-skid pattern; 10, fixing rib; 11, lubricating port; 12, sealing plug; 13, fixed groove; 14, positioning groove; 15, positioning block; 16, oil guide hole; 17, protection seat; 18, protection plate. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figures 1-4 The utility model provides an embodiment: a kind of for robot positioner bearing, including fixed outer ring 5 with fixed inner ring 8, bearing frame 4, the outside rotation of fixed inner ring 8 is equipped with positioning frame 7, and inside positioning frame 7 is equipped with fixed groove 13, and the inside rotation of fixed groove 13 is equipped with shaft column 6, to be fixed to shaft column 6 by positioning frame 7, avoid the situation that shaft column 6 falls when bearing aligning, increase the stability when bearing is used, the outside rotation of shaft column 6 is equipped with fixed outer ring 5, fixed outer ring 5 is rotated by shaft column 6, to realize the rotation of bearing, one side of fixed outer ring 5 is equipped with oil guide hole 16, and staff can be greased by oil guide hole 16 to bearing, avoid the situation that bearing is not rotated smoothly due to rainwater when long time is used, increase the practicability of device, the outside of fixed outer ring 5 is fixedly installed by inlaying with three groups of locating blocks 15, the top of bearing frame 4 is equipped with three groups of locating grooves 14, and three groups of locating blocks 15 are used in cooperation with three groups of locating grooves 14 to be fixed to bearing, avoid the situation that bearing is rotated outside when being used, increase the stability when device is used, improve when being used, the bottom of bearing frame 4 is fixedly installed with base 2 by welding, and the both sides of base 2 are equipped with bolt hole 3, and base 2 can be fixed to device by bolt, facilitate staff to be installed.

[0018] The bottom of base 2 is fixedly installed with two groups of rubber pads 1, and rubber pad 1 increases the stability when device is fixed, avoids the situation that device is loosened due to vibration, one side of the top of bearing frame 4 is fixedly installed with lubricating port 11, and sealing plug 12 used in cooperation is movably installed on lubricating port 11, lubricating port 11 can be greased to device, and sealing plug 12 can be sealed to lubricating port 11, avoid the situation that dust causes blockage to lubricating port 11, and the front and back of bearing frame 4 are all equipped with fixed rib 10, and fixed rib 10 increases the firmness of bearing frame 4, avoids the situation that bearing frame 4 is broken when device is used, increases the practicability of device.

[0019] The inside of fixed inner ring 8 is equipped with anti-skid pattern 9, and anti-skid pattern 9 increases the friction of fixed inner ring 8, avoids the situation that shaft is rotated when being connected with bearing, increases the stability when device is used, the top of bearing frame 4 is fixedly installed with protection seat 17, and protection plate 18 is fixedly installed on the top of protection seat 17, protection seat 17 is fixedly installed by welding, and protection seat 17 and protection plate 18 can be used in cooperation to protect bearing frame 4, avoid the situation that bearing frame 4 is damaged due to collision or impact, increase the safety of device.

[0020] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A bearing for a robot positioner axis comprising a fixed outer ring (5) and a fixed inner ring (8), a bearing housing (4), characterized in that: The outer part of the fixed inner ring (8) is rotatably installed with a positioning frame (7), the positioning frame (7) is uniformly provided with a fixed groove (13), the inner part of the fixed groove (13) is rotatably installed with a shaft column (6), the outer part of the shaft column (6) is rotatably installed with a fixed outer ring (5), one side of the fixed outer ring (5) is provided with an oil guide hole (16), the outer part of the fixed outer ring (5) is fixedly installed with three groups of positioning blocks (15), the inner part of the bearing frame (4) is provided with three groups of positioning grooves (14), and the positioning grooves (14) are fixedly connected with the positioning blocks (15), the bottom of the bearing frame (4) is fixedly installed with a base (2), and both sides of the base (2) are provided with bolt holes (3).

2. A bearing for a robot positioner axis according to claim 1, characterized in that: The top of the bearing frame (4) is fixedly installed with a protection seat (17), and the top of the protection seat (17) is fixedly installed with a protection plate (18).

3. A bearing for a robot positioner axis according to claim 1, characterized in that: The inner part of the fixed inner ring (8) is uniformly provided with anti-skid lines (9).

4. A bearing for a robot positioner axis according to claim 1, characterized in that: The front and back of the bearing frame (4) are uniformly provided with fixed ribs (10).

5. A bearing for a robot positioner axis according to claim 1, characterized in that: One side of the top of the bearing frame (4) is fixedly installed with a lubricating port (11), and the lubricating port (11) is movably installed with a sealing plug (12) used in cooperation.

6. A bearing for a robot positioner axis according to claim 1, characterized in that: The bottom of the base (2) is fixedly installed with two groups of rubber pads (1).

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