Screening device for precise mounted bearing inner rings

Abstract

The utility model discloses a screening device for precise mounted bearing inner rings, which comprises a fixing frame, a first conveying belt is mounted on the fixing frame, a plurality of push blocks distributed at equal intervals are fixedly connected onto the first conveying belt, and deviation rectifying frames distributed symmetrically are arranged at the top of the first conveying belt. A plurality of guide rollers distributed at equal intervals are rotationally connected to the sides, close to each other, of the two deviation rectifying frames, an adjusting stud is rotated to enable a second movable block to move so as to adjust the compression limit position of a spring, a screening piece is placed on a first conveying belt, and one push block is arranged between every two adjacent push blocks; and the pushing block pushes the bearing inner ring to move, so that the bearing inner ring moves between the two deviation rectifying frames, the bearing inner ring keeps moving at the position of the center line of the first conveying belt after being subjected to guide deviation rectifying of the guide roller, and it is guaranteed that the bearing inner ring is screened at the position between the two screening blocks when reaching the screening blocks.

Description

Technical Field

[0001] The utility model relates to the field of precision seat bearing inner ring processing, in particular to a screening device for precision seat bearing inner rings. Background Art

[0002] The present application is an improvement on the prior art. In the prior art, when selecting the inner ring of a precision seated bearing, it is necessary to screen the inner ring of the bearing. However, most of the existing bearing screening devices have high use costs, low screening efficiency, and poor screening effects, which easily result in the inner ring bearings after screening having unqualified quality products. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a screening device for the inner ring of a precision seated bearing.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein the first gear is connected to the gear of the truck by a threaded connection and the wheel is moved along the wheelchair to contact with the truck. The wheel is then connected to the gear of the truck by a threaded connection. The wheel is moved along the wheelchair to contact with the truck. The wheel is then connected to the gear of the truck by a threaded connection.

[0006] As a further solution of the utility model: the top of the screening frame is fixedly connected with symmetrically distributed support plates, two groups of the support plates are rotatably connected with bidirectional screws, both side outer walls of the bidirectional screws are threadedly connected with movable rods, the movable rods are slidably connected to the screening frame, and the movable rods are fixedly connected to the screening block.

[0007] As a further solution of the utility model: a motor is provided above the screening frame, and the motor is fixedly connected to the support plate, the output shaft of the motor is fixedly connected to the bidirectional screw, and symmetrically distributed slide grooves are opened on the screening frame, and the inner wall of the slide groove is slidably connected to the movable rod.

[0008] As a further solution of the utility model: a cylinder is fixedly connected to one side of the top of the fixing frame, and a top block is fixedly connected to the driving end of the cylinder.

[0009] As a further solution of the utility model: a guide plate is fixedly connected to the top of one side of the fixing frame, a second conveyor belt is provided on one side of the fixing frame, and the second conveyor belt is located below a side of the guide plate away from the top block.

[0010] The utility model has the following beneficial effects:

[0011] 1. In the utility model, the second movable block is moved by rotating the adjusting stud to adjust the compression limit position of the spring, the screening element is placed on the first conveyor belt, and one push block is arranged between two adjacent push blocks. When the inner ring of the bearing reaches between the two deviation correction frames, the push block pushes the inner ring of the bearing to move, so that the inner ring of the bearing moves between the two deviation correction frames. After the inner ring of the bearing is guided and corrected by the guide roller, it moves at the center line position of the first conveyor belt, ensuring that the inner ring of the bearing is screened at the position between the two screening blocks when it reaches the screening block;

[0012] 2. In the utility model, the motor is started, and the output shaft of the motor rotates to drive the bidirectional screw to rotate and then drive the movable rod to move, so that the position of the screening block is adjusted to adapt to the screening of the inner ring of the bearing. When the size of the inner ring of the bearing is large, it cannot pass through the screening block. At this time, the cylinder is started, and the driving end of the cylinder drives the top block to move so that the unqualified inner ring of the bearing falls through the guide plate to the second conveyor belt for transportation, which is convenient for screening and improves the screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a screening device for the inner ring of a precision seated bearing proposed by the utility model;

[0014] Figure 2 This is a schematic diagram of the installation of a screening block of a screening device for the inner ring of a precision seated bearing proposed by the utility model;

[0015] Figure 3 For the utility model Figure 1 A is an enlarged structural diagram of FIG.

[0016] Legend:

[0017] The first conveyor belt 1, the deviation correction frame 2, the guide roller 3, the screening frame 4, the cylinder 5, the top block 6, the guide plate 7, the second conveyor belt 8, the push block 9, the support plate 10, the motor 11, the bidirectional screw 12, the movable rod 13, the slide 14, the telescopic rod 15, the screening block 16, the fixed column 17, the first movable block 18, the spring 19, the second movable block 20, the adjustment stud 21, and the fixed frame 22. DETAILED DESCRIPTION

[0018] 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.

[0019] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model 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 operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] Reference Figure 1-3 The utility model provides a screening device for the inner ring of a precision bearing seat, comprising a fixed frame 22, a first conveyor belt 1 is installed on the fixed frame 22, a plurality of push blocks 9 distributed at equal intervals are fixedly connected to the first conveyor belt 1, a symmetrically distributed deviation correction frame 2 is arranged on the top of the first conveyor belt 1, a plurality of symmetrically distributed guide rollers 3 are rotatably connected to the sides of the two sets of deviation correction frames 2 close to each other, a symmetrically distributed first movable block 18 is slidably connected to the two sides of the fixed frame 22, a fixed column 17 is fixedly connected to the top of the first movable block 18, and the fixed column 17 is fixedly connected to the deviation correction frame 2 The two groups of first movable blocks 18 are fixedly connected to a spring 19 on one side away from each other, and the other end of the spring 19 is fixedly connected to a second movable block 20 slidably connected to a fixed frame 22. The two sides of the fixed frame 22 are threadedly connected with symmetrically distributed adjusting studs 21, and the adjusting studs 21 are rotatably connected to the second movable block 20. The top of the fixed frame 22 is fixedly connected to a screening frame 4, and the screening frame 4 is provided with symmetrically distributed screening blocks 16. The two groups of screening blocks 16 are fixedly connected to a telescopic rod 15 on one side away from each other, and the other end of the telescopic rod 15 is fixedly connected to the screening frame 4.

[0021] The top of the screening frame 4 is fixedly connected with symmetrically distributed support plates 10, and a bidirectional screw 12 is rotatably connected between the two groups of support plates 10. The outer walls on both sides of the bidirectional screw 12 are threadedly connected with movable rods 13. The movable rods 13 are slidably connected to the screening frame 4, and the movable rods 13 are fixedly connected to the screening block 16.

[0022] A motor 11 is provided above the screening frame 4, and the motor 11 is fixedly connected to the support plate 10, and the output shaft of the motor 11 is fixedly connected to the bidirectional screw 12. The screening frame 4 is provided with symmetrically distributed slide grooves 14, and the inner wall of the slide groove 14 is slidably connected to the movable rod 13.

[0023] A cylinder 5 is fixedly connected to one side of the top of the fixing frame 22 , and a top block 6 is fixedly connected to the driving end of the cylinder 5 .

[0024] A guide plate 7 is fixedly connected to the top of one side of the fixing frame 22 . A second conveyor belt 8 is provided on one side of the fixing frame 22 , and the second conveyor belt 8 is located below a side of the guide plate 7 away from the top block 6 .

[0025] Working principle:

[0026] In the present application, the adjusting stud 21 is rotated to move the second movable block 20 so as to adjust the compression limit position of the spring 19, and the screening element is placed on the first conveyor belt 1, and one is arranged between two adjacent push blocks 9. When the inner ring of the bearing reaches between the two deviation correction frames 2, the push block 9 pushes the inner ring of the bearing to move, so that the inner ring of the bearing moves between the two deviation correction frames 2. After the inner ring of the bearing is guided and corrected by the guide roller 3, it moves while maintaining the center line position of the first conveyor belt 1, ensuring that the inner ring of the bearing reaches the screening block 16 and is screened between the two screening blocks 16;

[0027] In the present application, the motor 11 is started, and the output shaft of the motor 11 rotates to drive the bidirectional screw 12 to rotate and then drives the movable rod 13 to move, so that the position of the screening block 16 is adjusted to adapt to the screening of the bearing inner ring. When the size of the bearing inner ring is large, it cannot pass through the screening block 16. At this time, the cylinder 5 is started, and the driving end of the cylinder 5 drives the top block 6 to move, so that the unqualified bearing inner ring falls through the guide plate 7 to the second conveyor belt 8 for transportation, which is convenient for screening and improves the screening efficiency.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. A screening device for inner rings of precision seated bearings, comprising a fixing frame (22), characterized in that: A first conveyor belt (1) is mounted on the fixed frame (22), a plurality of push blocks (9) distributed at equal intervals are fixedly connected to the first conveyor belt (1), a symmetrically distributed deflection correction frame (2) is provided on the top of the first conveyor belt (1), a plurality of symmetrically distributed guide rollers (3) are rotatably connected to the sides of two groups of deflection correction frames (2) close to each other, a plurality of symmetrically distributed guide rollers (3) are slidably connected to the two sides of the fixed frame (22), a fixed column (17) is fixedly connected to the top of the first movable block (18), and the fixed column (17) is fixedly connected to the deflection correction frame (2), and the two groups of the first movable blocks (18) are separated from each other by a plurality of guide rollers (3) on the sides of the fixed frame (22). The two sides of the fixing frame (22) are fixedly connected with a spring (19), the other end of the spring (19) is fixedly connected with a second movable block (20) which is slidably connected to a fixing frame (22), the two sides of the fixing frame (22) are threadedly connected with symmetrically distributed adjusting studs (21), and the adjusting studs (21) are rotatably connected to the second movable block (20), the top of the fixing frame (22) is fixedly connected with a screening frame (4), the screening frame (4) is provided with symmetrically distributed screening blocks (16), the two groups of screening blocks (16) are fixedly connected with a telescopic rod (15) on the sides away from each other, and the other end of the telescopic rod (15) is fixedly connected to the screening frame (4).

2. A screening device for inner rings of precision seated bearings according to claim 1, characterized in that: The top of the screening frame (4) is fixedly connected to symmetrically distributed support plates (10), two sets of the support plates (10) are rotatably connected to a bidirectional screw (12), both sides of the outer wall of the bidirectional screw (12) are threadedly connected to a movable rod (13), the movable rod (13) is slidably connected to the screening frame (4), and the movable rod (13) is fixedly connected to the screening block (16).

3. A screening device for inner rings of precision seated bearings according to claim 1, characterized in that: A motor (11) is provided above the screening frame (4), and the motor (11) is fixedly connected to the support plate (10), an output shaft of the motor (11) is fixedly connected to a bidirectional screw (12), and symmetrically distributed slide grooves (14) are provided on the screening frame (4), and an inner wall of the slide groove (14) is slidably connected to a movable rod (13).

4. A screening device for inner rings of precision seated bearings according to claim 1, characterized in that: A cylinder (5) is fixedly connected to one side of the top of the fixing frame (22), and a top block (6) is fixedly connected to the driving end of the cylinder (5).

5. The screening device for inner rings of precision seated bearings according to claim 1, characterized in that: A guide plate (7) is fixedly connected to the top of one side of the fixing frame (22), and a second conveyor belt (8) is provided on one side of the fixing frame (22), and the second conveyor belt (8) is located below a side of the guide plate (7) away from the top block (6).

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