CN209927053U

CN209927053U - Inner diameter detection positioning mechanism of bearing inner ring

Info

Publication number: CN209927053U
Application number: CN201921000839.XU
Authority: CN
Inventors: 唐代伟; 蒲猛; 何林; 周乾苗
Original assignee: Ningbo Yiming Bearing Co Ltd
Current assignee: Ningbo Yiming Bearing Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-01-10
Anticipated expiration: 2029-06-28

Abstract

The utility model provides an inner diameter detection positioning mechanism of bearing inner race, includes the workstation, its characterized in that: the material is arranged on the workbench and is provided with a detection station, the bearing inner ring to be detected can move to the detection station through the inner ring positioning mechanism, the detection head is arranged above the detection station and comprises a detection column, a lifting mechanism for driving the detection column to move up and down and a rotating mechanism for driving the detection column to rotate, and the downward movement of the detection column can be inserted into the inner part of the bearing inner ring to be detected positioned on the detection station. The utility model has the advantages that: the inner ring positioning mechanism of the inner diameter detection positioning mechanism of the bearing inner ring can move the bearing inner ring to be detected to a detection station of a material channel, a detection column of a detection head can move up and down and rotate, the detection column is inserted into a bearing ring on the detection station to realize roundness detection of the bearing inner ring, automatic detection is realized, manpower is saved, and detection precision and reliability are high.

Description

Inner diameter detection positioning mechanism of bearing inner ring

Technical Field

The utility model relates to a bearing detection device especially relates to an inner diameter detection positioning mechanism of bearing inner race.

Background

The bearing inner ring is an important component of the bearing and is closely contacted with a shaft, the size error and the roundness error exist, and the performance and the service life of the bearing are directly influenced by the processing precision of the inner ring. The inner diameter of the inner ring is one of important parameters of the inner ring, the higher the inner diameter precision of the inner ring is, the higher the mounting precision of the bearing is, the service life of the bearing is favorably prolonged, and if the inner diameter precision is lower, the phenomenon that the bearing cannot be mounted or even cannot be mounted may occur. At present, many bearing manufacturers still adopt manual detection devices to detect the roundness of the inner diameter of a bearing, so that the reliability is poor, the working efficiency is low, the labor cost is greatly increased, and the product competitiveness is reduced. In summary, the conventional device for detecting the inner diameter and the roundness of the bearing inner ring needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation, provide an internal diameter detection positioning mechanism that can realize automatic detection, detect the higher bearing inner circle of precision.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this bearing inner race's internal diameter detects positioning mechanism, including the workstation, its characterized in that: the material channel is arranged on the workbench, a detection station is arranged on the material channel, the inner ring of the bearing to be detected can move to the detection station through an inner ring positioning mechanism, a detection head is installed above the detection station and comprises a detection column, a lifting mechanism for driving the detection column to move up and down and a rotating mechanism for driving the detection column to rotate, and the detection column can move downwards to be inserted into the inner part of the inner ring of the bearing to be detected, which is positioned on the detection station.

In order to enable the movable pressing plate to press the inner ring downwards and reset upwards, preferably, the movable pressing plate is arranged above the material channel, a through hole for the detection column to pass through is formed in the movable pressing plate, a pressing rod for pressing the movable pressing plate to enable the movable pressing plate to move downwards is arranged at the lower part of the detection head, and resetting mechanisms for enabling the movable pressing plate to reset upwards are arranged on two sides of the movable pressing plate.

The reset mechanism can have multiple structures, preferably, reset mechanism includes fixing base, guide bar and reset spring, the fixing base has two and is located the left and right sides that detects the head, the guide bar vertically passes the fixing base, and the lower extreme of guide bar is fixed on the movable pressing plate, reset spring installs in the upper end of guide bar, and reset spring's lower extreme offsets with the fixing base, and reset spring's upper end offsets with the retaining ring at guide bar top.

Preferably, a buffer spring is sleeved on the compression rod.

The lifting mechanism can have various structures, preferably, the lifting mechanism comprises a first air cylinder and a driving seat which moves up and down under the driving of the first air cylinder, the detection column is installed at the bottom of the driving seat, the rotating mechanism comprises a second air cylinder, a fixed guide rail, a sliding block and a gear, the sliding block is installed on an output shaft of the second air cylinder and is in sliding fit with the fixed guide rail, the gear is arranged on the side part of the sliding block and is meshed with the sliding block, the head part of the detection column extends out of the driving seat, and the gear is fixed at the head part of the detection column.

In order to improve the detection efficiency, the two detection columns are respectively arranged at the left side and the right side of the driving seat, correspondingly, the number of the gears is two, the sliding block is arranged between the two gears, and the sliding block is meshed with the gears.

The inner ring positioning mechanism can have various structures, preferably, the inner ring positioning mechanism comprises a driving assembly and a supporting plate which can move back and forth along the length direction and the width direction of the material channel under the driving of the driving assembly, a notch for placing the bearing inner ring to be detected is formed in one side of the supporting plate facing the material channel, and the supporting plate can move the bearing inner ring to be detected, which is limited in the notch, to the detection station under the driving of the driving assembly.

Compared with the prior art, the utility model has the advantages of: the inner ring positioning mechanism of the inner diameter detection positioning mechanism of the bearing inner ring can move the bearing inner ring to be detected to a detection station of a material channel, a detection head on the detection station is provided with a detection column capable of moving up and down and rotating, the detection column is inserted into the bearing ring on the detection station to realize roundness detection of the bearing inner ring, automatic detection is realized, manpower is saved, and detection precision and reliability are high. In addition, when detecting bearing inner rings with different specifications, only the detection column needs to be replaced, and the universality is good.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 and fig. 2, the inner diameter detection positioning mechanism of the bearing inner ring of the embodiment includes a workbench (not shown in the figure), a material channel 2 is arranged on the workbench, a detection station is arranged on the material channel 2, and the bearing inner ring 1 to be detected can move to the detection station through an inner ring positioning mechanism 3. In this embodiment, the inner ring positioning mechanism 3 includes a driving component 31 and a supporting plate 32 that can move back and forth along the length direction (i.e., the X direction) and the width direction (i.e., the Y direction) of the material channel 2 under the driving of the driving component, a notch 321 into which the bearing inner ring 1 to be detected is placed is opened on one side of the supporting plate 32 facing the material channel 2, and the supporting plate 32 can move the bearing inner ring 1 to be detected, which is limited in the notch 321, to the detection station under the driving of the driving component 31. The driving assembly 31 can be driven by a conventional air cylinder, and the movement of the supporting plate in the X and Y directions is realized by two groups of air cylinders.

The detection head 4 is installed above the detection station, the detection head 4 comprises a detection column 41, a lifting mechanism 42 for driving the detection column to move up and down and a rotating mechanism 43 for driving the detection column to rotate, and when the bearing inner ring 1 to be detected is positioned, the detection column 41 can move downwards to be inserted into the inner part of the bearing inner ring 1 to be detected and rotate, so that the inner diameter of the bearing inner ring is detected.

A movable pressing plate 5 is arranged above the material channel 2, a through hole (not shown) for the detection column 41 to pass through is formed in the movable pressing plate 5, a pressing rod 44 is arranged at the lower part of the detection head 4, and a buffer spring 45 is sleeved on the pressing rod 44. The press rod 44 is used for pressing the movable pressure plate 5 so that the movable pressure plate can move downwards and press the bearing inner ring 1 to be detected. In addition, a reset mechanism 6 for resetting the movable platen 5 upward is provided on both sides of the movable platen 5.

In this embodiment, the reset mechanism 6 includes a fixed seat 61, a guide rod 62 and a reset spring 63, the fixed seat 61 has two and is located at the left and right sides of the detection head 4, the guide rod 62 longitudinally passes through the fixed seat 61, the lower end of the guide rod 62 is fixed on the movable platen 5, the reset spring 63 is installed at the upper end of the guide rod 62, the lower end of the reset spring 63 abuts against the fixed seat 61, and the upper end of the reset spring 63 abuts against a retaining ring 64 at the top of the guide rod 62.

The lifting mechanism 42 of the present embodiment includes a first cylinder 421 and a driving base 422 driven by the first cylinder to move up and down, the detection column 41 is mounted at the bottom of the driving base 422, and the detection column 41 can be driven by the first cylinder 421 to move up and down. The rotating mechanism 43 of this embodiment includes a second cylinder 431, a fixed rail 432, a slider 433, and a gear 434, wherein the slider 433 is mounted on an output shaft of the second cylinder 431 and is in sliding fit with the fixed rail 432, the gear 434 is disposed on a side portion of the slider 433 and is engaged with the slider 433, a head portion of the detection column 41 extends upward out of the driving seat 422, and the gear 434 is fixed on the head portion of the detection column 41. In addition, in order to improve the detection efficiency, two detection columns 41 are respectively installed at the left and right sides of the driving base 422, correspondingly, two gears 434 are provided, the slider 433 is installed between the two gears 434, and the slider 433 is engaged with the gears 434.

The detection process and the principle of the detection device are as follows:

firstly, the supporting plate 32 of the inner ring positioning mechanism 3 moves the bearing inner ring 1 to be detected on the material channel 2 to a detection station under the drive of the drive component 31;

then, the detecting column 41 of the detecting head 4 is driven by the lifting mechanism 42 and the rotating mechanism 43 to make a rotating motion while making a descending motion, the pressing rod 44 moves downwards along with the rotating motion and presses the movable pressing plate 5, so that the movable pressing plate 5 moves downwards to press the bearing inner ring 1 to be detected on the detecting station, and at the moment, the detecting column 41 is inserted into the inner ring and keeps rotating motion; for the product with qualified bearing inner ring roundness, the circumferential gap between the detection column 41 and the bearing inner ring is always kept unchanged.

Finally, the detection column 41 is driven by the lifting mechanism 42 to reset upwards, the reset mechanism 6 drives the movable pressing plate 5 to move upwards and reset, the supporting plate 32 moves the detected bearing inner ring on the detection station out of the detection station, and the next bearing inner ring 1 to be detected is prepared to be taken from the front end material channel of the detection station.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, the present invention can be modified or improved without departing from the principle of the present invention, and these modifications are all considered to be within the protection scope of the present invention.

Claims

1. The utility model provides an inner diameter detection positioning mechanism of bearing inner race, includes the workstation, its characterized in that: the material is said and is arranged on the workstation and is said (2) be equipped with the detection station on material way (2), wait to detect bearing inner race (1) and can move to through inner circle positioning mechanism (3) on the detection station, install in the top that detects the station and detect head (4), detect head (4) including detecting post (41), drive detection post up-and-down motion's elevating system (42) and drive detection post pivoted slewing mechanism (43), just detect post (41) downstream and can insert the inside of waiting to detect bearing inner race (1) that has fixed a position on detecting the station.

2. The inner diameter detection positioning mechanism of a bearing inner ring according to claim 1, characterized in that: a movable pressing plate (5) is arranged above the material channel (2), a through hole for the detection column (41) to pass through is formed in the movable pressing plate (5), a pressing rod (44) used for pressing the movable pressing plate (5) to enable the movable pressing plate to move downwards is arranged at the lower part of the detection head (4), and reset mechanisms (6) used for enabling the movable pressing plate (5) to reset upwards are arranged on two sides of the movable pressing plate (5).

3. The inner diameter detection positioning mechanism of a bearing inner ring according to claim 2, characterized in that: reset mechanism (6) include fixing base (61), guide bar (62) and reset spring (63), fixing base (61) have two and are located the left and right sides that detects head (4), guide bar (62) vertically pass fixing base (61), and the lower extreme of guide bar (62) is fixed on activity clamp plate (5), reset spring (63) are installed in the upper end of guide bar (62), and the lower extreme and the fixing base (61) of reset spring (63) offset, and the upper end and the retaining ring at guide bar (62) top of reset spring (63) offset.

4. The inner diameter detection positioning mechanism of a bearing inner ring according to claim 2, characterized in that: the compression bar (44) is sleeved with a buffer spring (45).

5. The inner diameter detection positioning mechanism of a bearing inner ring according to claim 1, characterized in that: elevating system (42) include first cylinder (421) and drive seat (422) that reciprocate under the drive of first cylinder, shown detection post (41) are installed the bottom of driving seat (422), slewing mechanism (43) include second cylinder (431), fixed guide (432), slider (433) and gear (434), slider (433) are installed on the output shaft of second cylinder (431) and with fixed guide (432) sliding fit, lateral part and the meshing mutually with slider (433) of slider (433) are located in gear (434), the head of detecting post (41) upwards stretches out in driving seat (422), gear (434) are fixed the head of detecting post (41).

6. The inner diameter detection positioning mechanism of a bearing inner ring according to claim 5, characterized in that: the detection columns (41) are two and are respectively arranged on the left side and the right side of the driving seat (422), correspondingly, the number of the gears (434) is two, the sliding blocks (433) are arranged between the two gears (434), and the sliding blocks (433) are meshed with the gears (434).

7. The inner diameter detection positioning mechanism of a bearing inner ring according to any one of claims 1 to 6, characterized in that: the inner ring positioning mechanism (3) comprises a driving assembly (31) and a supporting plate (32) which can move back and forth along the length direction and the width direction of the material channel (2) under the driving of the driving assembly, one side, facing the material channel (2), of the supporting plate (32) is provided with a notch (321) for placing the bearing inner ring (1) to be detected, and the supporting plate (32) can move the bearing inner ring (1) to be detected, which is limited in the notch (321), to a detection station under the driving of the driving assembly (31).