CN-121830048-B - Bearing inner and outer ring groove side swing difference regulator

CN121830048BCN 121830048 BCN121830048 BCN 121830048BCN-121830048-B

Abstract

The invention discloses a bearing inner and outer ring groove side swing difference regulator, which comprises a fixed block, wherein a crank cam and a driving structure for driving the crank cam to rotate are arranged on the fixed block, two sides of the fixed block are respectively provided with a regulating plate, the two regulating plates are oppositely arranged, a linkage structure for driving the regulating plates to synchronously move so as to realize the relative movement of the two regulating plates when the crank cam rotates is connected between the two regulating plates and the crank cam, and the tail end of the regulating plates is provided with a detection structure for contacting with the inner wall of a channel of an outer ring main body to be detected in the outside and for force feedback and a positioning structure for adapting to the channel of the outer ring main body to be detected in the outside so as to ensure that the detection structure is in accurate contact with the inner wall of the channel. The invention solves the problems of low accuracy and poor efficiency of the side swing difference adjustment caused by inaccurate contact between a detection part and the inner wall of a groove and untimely force feedback of side swing parameters in the traditional bearing inner-outer ring groove side swing difference adjustment process.

Inventors

DU TIANXIANG
CHEN XINYANG
WANG YAN
MA TENG

Assignees

人本股份有限公司
上海人本集团有限公司
安徽匹夫轴承有限公司
芜湖之优轴承有限公司

Dates

Publication Date: 20260508
Application Date: 20260316

Claims (8)

1. The differential adjuster for the side sway of the inner ring and the outer ring of the bearing is characterized by comprising a fixed block which is arranged at the central position of an inner ring main body and an outer ring main body of the bearing to be detected in the outside, wherein a crank cam and a driving structure for driving the crank cam to rotate are arranged on the fixed block, two sides of the fixed block are respectively provided with a transfer plate, the two transfer plates are oppositely arranged, a linkage structure for driving the transfer plates to synchronously move when the crank cam rotates so as to realize the relative movement of the two transfer plates is connected between the two transfer plates and the crank cam, and the tail end of the transfer plates is provided with a detection structure which is used for contacting with the inner wall of a channel of the inner ring main body to be detected in the outside and is used for force feedback and a positioning structure which is matched with the channel of the inner ring main body to be detected in the outside so that the detection structure is accurately contacted with the inner wall of the channel.
2. The differential adjuster of groove side sway of an inner ring and an outer ring of a bearing according to claim 1, wherein clamping grooves are formed in two sides of an outer cambered surface of a crank cam, the linkage structure comprises two connecting rods, the two connecting rods are respectively arranged in the two clamping grooves, starting ends of the connecting rods are bent towards corresponding clamping grooves and form connecting ends, the connecting ends are matched with the clamping grooves in a clamping manner, tail ends of the connecting rods are bent towards the extending direction of the clamping grooves and towards adjacent adjusting plates to form matching ends, starting ends of the adjusting plates are provided with first through holes for the matching ends to penetrate, the diameter of the first through holes is larger than that of the matching ends, the diameter of the second through holes is larger than that of the first through holes, starting ends of one of the two adjusting plates are arranged above the fixing blocks, the starting ends of the other adjusting plates are arranged below the fixing blocks, and when the crank cam rotates, the two connecting rods respectively drive the corresponding adjusting plates to synchronously move so that the two adjusting plates can move to enable the two adjusting plates to be in a synchronous mode or the two adjusting plates to move to enable the two adjusting plates to be in a synchronous mode to be in order to be separated from the inner ring or the bearing to achieve detection of the inner ring and the bearing to be detected.
3. The differential adjuster for the groove side sway of the inner ring and the outer ring of the bearing according to claim 2, wherein the opening directions of the two clamping grooves are staggered, the opening parts of the clamping grooves are communicated to the outer peripheral wall of the crank cam, the inner wall of the opening part of the clamping grooves is bent towards the direction of the clamping grooves to form a limiting edge, a limiting gap for limiting the connecting end of the connecting rod to deviate from the clamping grooves along the opening directions of the clamping grooves is formed between the inner wall of the limiting edge and the inner wall of the opening part of the clamping grooves opposite to the inner wall of the limiting edge, and the width diameter of the limiting gap is smaller than the diameter of the connecting end of the connecting rod.
4. The device of claim 1, wherein a linkage plate is arranged below the adjustment plate, an extension part extends towards the outer side of the crank cam at the initial end of the adjustment plate, a bayonet and a connecting port are formed in the extension part, a clamping part for clamping with the bayonet is arranged at the initial end of the linkage plate, a matching part is arranged at the tail end of the linkage plate, a loading spring is connected between the matching part and the extension part, connecting wires are integrally formed at two ends of the loading spring, one connecting wire is in clamping connection with the connecting port, the other connecting wire is in connecting connection with the matching part, and the positioning structure and the detection structure are arranged at the tail end of the linkage plate.
5. The device of claim 4, wherein the end of the linkage plate is bent and provided with an adjusting plate, the detecting structure comprises a probe head arranged on the adjusting plate, the end part of the probe head is a contact end for contacting with the inner wall of a channel of the bearing inner and outer ring main body to be detected, the probe head and the adjusting plate are coaxially aligned, and the adjusting plate are relatively and vertically arranged.
6. The differential adjuster for groove side sway of an inner ring and an outer ring of a bearing according to claim 5, wherein a pre-tightening spring is connected between the tail end of the probe and the adjusting plate, the start end of the pre-tightening spring is coaxially sleeved with the probe, and the tail end of the pre-tightening spring is coaxially connected with the adjusting plate.
7. The device of claim 6, wherein the positioning structure comprises two protruding parts protruding from the peripheral wall of the adjusting plate and adapted to contact with the top and bottom of the inner wall of the channel of the outer bearing inner and outer ring main body to realize stable positioning of the adjusting plate in the channel, the two protruding parts are symmetrically arranged, and the peripheral wall of the protruding part is connected with the peripheral wall of the adjusting plate in a smooth arc.
8. The device of claim 1, wherein the driving structure comprises a fine tuning table linear motor, the fine tuning table linear motor is arranged below the fixed block and is detachably connected with the fixed block, and the output end of the fine tuning table linear motor penetrates through the fixed block and is coaxially connected with the crank cam.

Description

Bearing inner and outer ring groove side swing difference regulator Technical Field The invention relates to the technical field of bearing adjusting instruments, in particular to a bearing inner and outer ring groove side swing difference adjuster. Background The bearing is used as a core component in a mechanical transmission system, and the lateral swing difference of an inner ring channel and an outer ring channel of the bearing is a key index for influencing the running precision, the stability and the service life of the bearing, so that in the processes of bearing production, detection and precise assembly, the lateral swing difference is precisely controlled through special regulating equipment, and the regulating equipment is widely applied to the technical fields of bearing manufacturing, precise machining and the like. At present, aiming at the adjusting equipment of the groove side swing difference of the inner ring and the outer ring of the bearing, a split type structure of an independent positioning clamp and a contact type detection sensor is adopted, namely the positioning clamp is responsible for preliminarily fixing the inner ring and the outer ring of the bearing, the contact type detection sensor is close to the inner wall of the groove through manual assistance or a simple bracket, and after the side swing parameters are acquired, the relative position of the inner ring and the outer ring of the bearing is adjusted through a manual or semi-automatic driving mechanism so as to correct the side swing difference. However, the existing equipment has obvious technical defects that on one hand, the detection sensor lacks a special positioning structure matched with the inner wall of a channel, only depends on rough positioning of a clamp, the problems of contact deviation and unsmooth lamination of the detection sensor and the inner wall of the channel easily occur, so that the accuracy of side swing parameter acquisition is greatly reduced, on the other hand, the force feedback module of the detection sensor lacks linkage design with the positioning and driving structure, the force signal transmission has delay, the adjustment action of the driving mechanism cannot be guided in real time, repeated calibration is needed for many times, the adjustment precision is difficult to reach the micron-level requirement (usually controlled within 5 mu m) required by a precision bearing, the adjustment efficiency is obviously reduced, and the large-scale bearing production flow is difficult to adapt. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a bearing inner-outer ring groove side-sway differential regulator, which aims to solve the problems of low side-sway differential regulation precision and poor efficiency caused by inaccurate contact between a detection part and the inner wall of a groove and untimely force feedback of side-sway parameters in the traditional bearing inner-outer ring groove side-sway differential regulation process. In order to achieve the above purpose, the invention provides a bearing inner and outer ring groove side swing difference adjuster, which comprises a fixed block used for being installed at the center position of an outer and inner ring main body of a bearing to be detected in the outside, wherein a crank cam and a driving structure used for driving the crank cam to rotate are arranged on the fixed block, two sides of the fixed block are respectively provided with a regulating plate, the two regulating plates are oppositely arranged, a linkage structure used for driving the regulating plates to synchronously move when the crank cam rotates to realize the relative movement of the two regulating plates is connected between the two regulating plates and the crank cam, and the tail end of the regulating plate is provided with a detection structure used for being in contact with the inner wall of a groove of the outer and inner ring main body to be detected in the outside and a positioning structure used for being matched with the groove of the outer and inner ring main body to be detected in the outside so that the detection structure is in accurate contact with the inner wall of the groove. The technical scheme is characterized in that the center installation of the inner ring main body and the outer ring main body of the bearing to be detected is realized through the fixed block, the reference consistency of bearing positioning is guaranteed, the crank cam is matched with the driving structure to provide a stable power source for the device, the controllability of power output is guaranteed, the linkage structure can synchronously drive two oppositely arranged modulation plates to do relative motion when the crank cam rotates, the consistency and consistency of motion are guaranteed, the contact with the inner wall of a channel and the force feedback are realized through the detection structure, the core data support is provide