CN108663011B - Bearing assembly plane detection device that beats - Google Patents
Bearing assembly plane detection device that beats Download PDFInfo
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- CN108663011B CN108663011B CN201810468915.3A CN201810468915A CN108663011B CN 108663011 B CN108663011 B CN 108663011B CN 201810468915 A CN201810468915 A CN 201810468915A CN 108663011 B CN108663011 B CN 108663011B
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- positioning column
- bearing
- mounting
- upper portion
- column
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a bearing assembly plane run-out detection device, which comprises an upper positioning column, a lower positioning column, a detection ring and a lower jacking spring, wherein the upper positioning column is arranged on a rack, the lower positioning column is arranged on the rack and is coaxial with the upper positioning column, the detection ring is arranged around the central shaft of the lower positioning column, the upper end of the lower jacking spring is tightly propped against the detection ring, and the lower jacking spring is arranged between the rack and the detection ring; the upper positioning column and the lower positioning column which are coaxially arranged are used for limiting the bearing, so that the central shaft of the bearing is kept vertical, the lower jacking spring is stressed to deform, the detection ring is tightly attached to the lower end face of the bearing, and the flatness and the verticality of the lower end face of the bearing are fed back by the detection ring integrally; the presented value generated by the error on the bearing surface is amplified through the detection ring, the flatness error and the verticality error of the bearing are obviously reflected, and the test result is accurate and reliable.
Description
Technical Field
The invention relates to a detection device, in particular to a bearing assembly plane run-out detection device.
Background
The bearing is an important part in the modern mechanical equipment. The main function of the device is to support a mechanical rotator, reduce the friction coefficient in the movement process of the mechanical rotator and ensure the rotation precision of the mechanical rotator, the precision, the performance, the service life and the reliability of a bearing play a decisive role on a mechanical product, and the bearing and a shaft are accurately related to whether the bearing can be installed according to requirements.
In summary, a bearing assembly plane run-out detection device with high detection accuracy is needed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a bearing assembly plane run-out detection device with high detection accuracy.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
bearing assembly plane detection device that beats, including the frame, install in the upper portion reference column of frame, install in the frame and with the lower part reference column of the coaxial setting of upper portion reference column, wind the detection ring that lower part reference column center pin set up and upper end top are tight detect the lower part of ring and hold in the palm the spring, the lower part top ask the spring set up in the frame with detect between the ring.
Preferably, the device further comprises at least three lower sensors which are arranged around the central axis of the lower positioning column and used for monitoring the detection ring.
Preferably, the head of the upper positioning column is in an inverted cone shape or an inverted truncated cone shape; the head of the lower positioning column is conical or truncated cone-shaped.
Preferably, the lower adjusting device further comprises a lower mounting part and a lower adjusting spring, the lower mounting part is connected to the rack, the lower mounting part is provided with a cylindrical groove coaxial with the lower positioning column, the lower end of the lower adjusting spring abuts against the bottom surface of the cylindrical groove, the upper end of the lower adjusting spring is connected with the tail part of the lower positioning column, and the radius of the cylindrical groove is equal to that of the lower adjusting spring.
Preferably, the rotating part comprises a driven gear arranged on the upper positioning column, a driving gear meshed with the driven gear and a motor driving the driving gear to rotate, and the upper positioning column is rotatably connected to the rack.
Preferably, still including connecting in the upper portion installed part, the upper portion mounting of frame and being used for connecting the upper portion installed part with the connecting rod of upper portion mounting, the upper portion installed part is equipped with the confession the first through-hole that the upper portion reference column passes through, the afterbody of upper portion reference column is equipped with the card and locates the first spacing seat of first through-hole upper end, the corresponding position of upper portion mounting is equipped with the spacing seat of second, first spacing seat with be equipped with upper portion adjusting spring between the spacing seat of second, first spacing seat upper portion adjusting spring relatively rotates, the upper portion reference column is relative first through-hole up-and-down motion.
Preferably, the positioning device further comprises an upper driving part arranged on the frame, a guide sleeve fixed at the lower end of the upper mounting part, a guide pillar arranged in the guide sleeve, an upper jacking spring connected between the upper end of the guide pillar and the lower end of the upper fixing part, a pressing ring arranged around the central axis of the upper positioning column, and an upper base plate fixed at the lower end of the pressing ring, wherein the lower end of the guide pillar is provided with an inverted conical or inverted circular truncated cone-shaped mounting column, the pressing ring is provided with a mounting hole, the mounting column is in interference fit with the mounting hole, a gap is formed between the side surface of the lower end of the mounting column and the side wall of the mounting hole, the upper driving part is connected with the upper mounting part, and the lower base plate is provided.
Preferably, the positioning device further comprises at least three upper sensors which are arranged around the central axis of the upper positioning column and used for monitoring the upper substrate.
Preferably, still include the pay-off subassembly, the pay-off subassembly including set up in the conveyer belt of frame with set up in tray on the conveyer belt, the tray is equipped with the holding through-hole.
Preferably, the tray further comprises a blocking cylinder for blocking the tray.
The invention has the beneficial effects that: the upper positioning column and the lower positioning column which are coaxially arranged are used for limiting the bearing, so that the central shaft of the bearing is kept vertical, the lower jacking spring is stressed to deform, the detection ring is tightly attached to the lower end face of the bearing, the detection ring feeds back the planeness and the verticality of the lower end face of the bearing on the whole, the presentation value generated by the error on the bearing face is amplified through the detection ring, the planeness error and the verticality error of the bearing are obviously reflected, and the test result is accurate and reliable.
Drawings
FIG. 1 is a schematic structural diagram of a plane run-out detection device for bearing assembly according to the present invention.
FIG. 2 is a schematic view of the structure of the lower detecting member of the present invention.
FIG. 3 is a schematic view of the upper detection unit according to the present invention.
Fig. 4 is a schematic structural view of a rotating member of the present invention.
In the figure, 10, a frame; 201. a lower positioning column; 202. a lower jacking spring; 203. a detection ring; 204. a lower sensor; 205. a lower mount; 2051. a cylindrical groove; 206. a lower adjusting spring; 301. an upper positioning column; 3011. a first limiting seat; 302. an upper mount; 3021. a guide sleeve; 3022. a guide post; 30221. mounting a column; 303. an upper fixing member; 3031. a second limiting seat; 304. a connecting rod; 305. an upper adjustment spring; 306. an upper jacking spring; 307. pressing a ring; 308. an upper substrate; 309. an upper sensor; 401. a motor; 402. a driving gear; 403. a driven gear; 501. an upper drive member; 502. a lower driving member; 601. a conveyor belt; 602. a tray; 70. a blocking cylinder; 80. adjusting the bolt; 90. and (4) a support column.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
As shown in fig. 1 to 4, the bearing assembly plane run-out detecting apparatus according to the present embodiment includes a frame 10, an upper positioning post 301 attached to the frame 10, a lower positioning post 201 attached to the frame 10 and disposed coaxially with the upper positioning post 301, a detecting ring 203 disposed around a central axis of the lower positioning post 201, and a lower jacking spring 202 having an upper end for jacking up the detecting ring 203, wherein the lower jacking spring 202 is disposed between the frame 10 and the detecting ring 203.
The working principle is as follows: the bearing workpiece to be measured is limited between the upper positioning column 301 and the lower positioning column 201, the detection ring 203 is acted by the lower jacking spring 202 at the moment, the detection ring 203 is tightly attached to the lower end surface of the bearing, and the detection ring 203 reflects the flatness and the verticality of the lower end surface of the bearing.
The upper positioning column 301 and the lower positioning column 201 which are coaxially arranged are used for limiting the bearing, so that the central shaft of the bearing is kept vertical, the lower jacking spring 202 is stressed to deform, the detection ring 203 is tightly attached to the lower end face of the bearing, the detection ring 203 feeds back the planeness and the verticality of the lower end face of the bearing on the whole, the presentation value generated by the error on the bearing face is amplified through the detection ring 203, the planeness error and the verticality error of the bearing are obviously reflected, and the test result is accurate and reliable.
The device also comprises three lower sensors 204 which are arranged around the central axis of the lower positioning column 201 and used for monitoring the detection ring 203.
Through three lower sensor 204 that encircle lower part reference column 201 axis setting, when the lower extreme unevenness of bearing, detection ring 203 can take place the slope, and two kinds of testing results can appear at least to lower sensor 204, through whether unanimous plane degree of aassessment bearing lower extreme of the testing result of lower sensor 204, judge simply, the degree of accuracy is high.
The lower sensor 204 may be a prior art distance sensor such as a laser displacement sensor, an ultrasonic distance sensor, an infrared distance sensor, a magnetic scale, or the like.
The head of the upper positioning column 301 is in an inverted cone shape or an inverted truncated cone shape; the head of the lower positioning column 201 is conical or truncated cone-shaped.
The head parts of the upper positioning column 301 and the lower positioning column 201 are partially embedded into the inner ring of the bearing and fixed, so that the central shaft of the positioning bearing is ensured to be vertical, and the bearing is prevented from being deviated due to stress in the testing process to influence the detection result.
The lower adjusting spring device further comprises a lower mounting piece 205 and a lower adjusting spring 206, wherein the lower mounting piece 205 is fixed on the rack 10, the lower mounting piece 205 is provided with a cylindrical groove 2051 which is coaxial with the lower positioning column 201, the lower end of the lower adjusting spring 206 abuts against the bottom surface of the cylindrical groove 2051, the upper end of the lower adjusting spring 206 is connected with the tail of the lower positioning column 201, and the radius of the cylindrical groove 2051 is equal to that of the lower adjusting spring 206.
The radius of the lower adjusting spring 206 is equal to that of the cylindrical groove 2051, so that the lower adjusting spring 206 can only deform in the vertical direction, and the lower positioning column 201 keeps coaxial with the upper positioning column 301 in the movement process; the distance between the upper positioning column 301 and the lower positioning column 201 is adjustable, when a bearing is placed, the lower positioning column 201 presses the lower adjusting spring 206 downwards, the inner ring of the bearing is aligned with the head of the upper positioning column 301, the pressure of the lower positioning column 201 on the lower adjusting spring 206 is removed, the spring extends, the bearing is clamped, and the clamping difficulty of the bearing is reduced.
The positioning device further comprises a rotating part, the rotating part comprises a driven gear 403 arranged on the upper positioning column 301, a driving gear 402 meshed with the driven gear 403 and a motor 401 driving the driving gear 402 to rotate, and the upper positioning column 301 is rotatably connected to the rack 10.
The motor 401 drives the driving main wheel to rotate, the driving gear 402 drives the driven gear 403 to rotate, the driven gear 403 drives the upper positioning column 301 to rotate, the upper positioning column 301 drives the inner ring of the bearing to rotate through friction force, the lower jacking spring 202 is adjusted adaptively according to the motion change between the detection ring 203 and the bearing joint, the detection ring 203 amplifies the presented value of the flatness error of the bearing, if the detection ring 203 shakes, it is indicated that the bearing has the flatness error, the detection result of each lower sensor 204 fluctuates as well, dynamic detection of the flatness of the bearing is realized through rotation, the result display is visual, and the detection is more accurate.
The positioning device further comprises an upper mounting part 302, an upper fixing part 303 and a connecting rod 304 used for connecting the upper mounting part 302 and the upper fixing part 303, wherein the upper mounting part 302 is provided with a first through hole for the upper positioning column 301 to pass through, the tail part of the upper positioning column 301 is provided with a first limiting seat 3011 clamped at the upper end of the first through hole, a second limiting seat 3031 is arranged at the corresponding position of the upper fixing part 303, an upper adjusting spring 305 is arranged between the first limiting seat 3011 and the second limiting seat 3031, the first limiting seat 3011 can rotate relative to the upper adjusting spring 305, and the upper positioning column 301 moves up and down relative to the first through hole.
The upper positioning column 301 is pushed upwards, and the upper adjusting spring 305 contracts to realize the height adjustment of the upper positioning column 301; the upper adjusting spring 305 is limited by the first limiting seat 3011 and the second limiting seat 3031, so that the upper positioning column 301 moves up and down and rotates relative to the upper fixing member 303.
The upper part driving part is arranged on the machine frame 10, the guiding sleeve 3021 fixed at the lower end of the upper part mounting piece 302, a guide post 3022 arranged in the guiding sleeve 3021, an upper top supporting spring 306 connecting the upper end of the guide post 3022 with the lower end of the upper fixing piece 303, a pressing ring 307 arranged around the central axis of the upper part positioning post 301 and an upper base plate 308 fixed at the lower end of the pressing ring 307, an inverted cone-shaped or inverted truncated cone-shaped mounting post 30221 is arranged at the lower end of the guide post 3022, a mounting hole is arranged on the pressing ring 307, the mounting post 30221 is in interference fit with the mounting hole, a gap is arranged between the side surface of the lower end of the mounting post 30221 and the side wall of the mounting hole, the upper part driving part is.
The upper driving part is a linear reciprocating driving structure in the prior art, such as a pneumatic cylinder, a hydraulic cylinder and the like.
The upper drive component drives the upper mounting member 302 to move downwards, the upper positioning column 301 contacts the bearing, and the upper adjusting spring 305 compresses; the upper mounting piece 302 continues to move downwards, the upper base plate 308 contacts the upper end face of the bearing, the upper jacking spring 306 contracts, the guide post 3022 drives the pressing ring 307 to move upwards relative to the guide sleeve 3021, when the pressing ring 307 contacts the lower end of the guide sleeve 3021, the guide post 3022 continues to move upwards, the pressing ring 307 is obstructed by the guide sleeve 3021, the mounting post 30221 matched with the mounting hole is partially separated from the mounting hole, and at the moment, the mounting post 30221 is separated from the mounting hole, namely, the upper base plate 308 is separated from the guide post 3022; if the flatness error exists on the upper end face of the bearing, the upper substrate 308 is inclined, so that static detection is carried out, and the flatness of the upper end face of the bearing is evaluated; the motor 401 is started, the motor 401 drives the upper positioning column 301 to rotate, dynamic detection is carried out on the upper end face of the bearing, if the bearing is assembled badly, the outer ring of the bearing jumps in the rotating process of the upper positioning column 301, the upper substrate 308 also jumps under the influence of the outer ring of the bearing, and the distance data of the upper substrate 308 monitored by the same upper sensor fluctuates.
Through the matching of the guide post 3022, the guide sleeve 3021, the press ring 307 and the upper substrate 308, the switching between the fixing and the releasing of the guide post 3022 and the press ring 307 can be realized without an additional control mechanism, and the structure is simple; because the upper positioning column 301 needs to be provided with the driven gear 403, the driven gear 403 is prevented from interfering with the sleeve and the movement space of the pressing ring 307 by additionally arranging the upper substrate 308 for switching transition.
The device also comprises three upper sensors 309 arranged around the central axis of the upper positioning column 301 and used for monitoring the upper substrate 308, and the number of the lower sensors 204 is three.
Through three lower sensor 204 that encircle upper portion reference column 301 axis and set up, when the upper end unevenness of bearing, upper portion base plate 308 can take place the slope, and two kinds of testing results can appear at least in upper portion sensor 309, through whether unanimous plane degree of aassessment bearing upper end of lower sensor 204's testing result, judge simply, the degree of accuracy is high.
The lower sensor 204 may be a prior art distance sensor such as a laser displacement sensor, an ultrasonic distance sensor, an infrared distance sensor, a magnetic scale, or the like.
The automatic feeding device further comprises a feeding assembly, wherein the feeding assembly comprises a conveyor belt 601 arranged on the machine frame 10 and a tray 602 arranged on the conveyor belt 601, and the tray 602 is provided with an accommodating through hole.
The bearing is placed in the accommodating through hole, and automatic feeding is achieved through the conveyor belt 601.
A blocking cylinder 70 for blocking the tray 602 is also included.
When the bearing reaches under the upper positioning post 301, the blocking cylinder 70 blocks the transfer of the tray 602.
An adjusting bolt 80 for adjusting the elastic force of the upper jacking spring 306, the lower jacking spring 202, the upper adjusting spring 305 and the lower adjusting spring 206 is also included.
The lower mount 205 is connected to the frame 10 by a lower drive member.
The upper and lower driving members are slidably connected to the frame 10.
The lower driving part is a linear reciprocating driving structure in the prior art, such as a pneumatic cylinder, a hydraulic cylinder, and the like.
The lower mount 205 is provided with support posts 90 for supporting the tray 602.
The above embodiments are only some of the preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (6)
1. The bearing assembly plane run-out detection device is characterized by comprising a rack, an upper positioning column, a lower positioning column, a detection ring and a lower jacking spring, wherein the upper positioning column is arranged on the rack, the lower positioning column is arranged on the rack and is coaxial with the upper positioning column, the detection ring is arranged around the central shaft of the lower positioning column, the upper end of the lower jacking spring is tightly propped against the detection ring, and the lower jacking spring is arranged between the rack and the detection ring; the head of the upper positioning column is in an inverted cone shape or an inverted truncated cone shape; the head part of the lower positioning column is conical or circular truncated cone-shaped;
the lower mounting part is provided with a cylindrical groove coaxial with the lower positioning column, the lower end of the lower adjusting spring is abutted against the bottom surface of the cylindrical groove, the upper end of the lower adjusting spring is connected with the tail part of the lower positioning column, and the radius of the cylindrical groove is equal to that of the lower adjusting spring;
the rotating part comprises a driven gear arranged on the upper positioning column, a driving gear meshed with the driven gear and a motor driving the driving gear to rotate, and the upper positioning column is rotatably connected to the rack;
still including connect in upper portion installed part, the upper portion mounting of frame and being used for connecting the upper portion installed part with the connecting rod of upper portion mounting, the upper portion installed part is equipped with the confession the first through-hole that the upper portion reference column passes through, the afterbody of upper portion reference column is equipped with the card and locates the first spacing seat of first through-hole upper end, the corresponding position of upper portion mounting is equipped with the spacing seat of second, first spacing seat with be equipped with upper portion adjusting spring between the spacing seat of second, first spacing seat upper portion adjusting spring relatively rotates, the upper portion reference column is relative first through-hole up-and-down motion.
2. The bearing assembling plane run-out detecting device of claim 1, further comprising at least three lower sensors disposed around a central axis of the lower positioning post and used for monitoring the detecting ring.
3. The bearing-mounting runout detecting apparatus according to claim 1, further comprising an upper driving member provided in said frame, a guide sleeve fixed to a lower end of said upper mounting member, a guide post provided in said guide sleeve, an upper spring for urging an upper end of said guide post and a lower end of said upper fixing member, a pressing ring provided around a central axis of said upper positioning post, and an upper base plate fixed to a lower end of said pressing ring, the lower end of the guide post is provided with an inverted cone-shaped or inverted round platform-shaped mounting post, the press ring is provided with a mounting hole, the mounting column is in interference fit with the mounting hole, a gap is arranged between the side surface of the lower end of the mounting column and the side wall of the mounting hole, the upper driving part is connected with the upper mounting part, and the lower substrate is provided with a second through hole for the head of the upper positioning column to pass through.
4. The bearing assembling plane run-out detecting device of claim 3, further comprising at least three upper sensors disposed around the central axis of the upper positioning column and used for monitoring the upper substrate.
5. The bearing assembling plane run-out detection device according to claim 4, further comprising a feeding assembly, wherein the feeding assembly comprises a conveyor belt arranged on the rack and a tray arranged on the conveyor belt, and the tray is provided with a containing through hole.
6. The bearing assembling plane runout detecting apparatus according to claim 5, further comprising a blocking cylinder for blocking the tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810468915.3A CN108663011B (en) | 2018-05-16 | 2018-05-16 | Bearing assembly plane detection device that beats |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810468915.3A CN108663011B (en) | 2018-05-16 | 2018-05-16 | Bearing assembly plane detection device that beats |
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| CN108663011A CN108663011A (en) | 2018-10-16 |
| CN108663011B true CN108663011B (en) | 2020-04-10 |
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| CN201810468915.3A Active CN108663011B (en) | 2018-05-16 | 2018-05-16 | Bearing assembly plane detection device that beats |
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| CN113330272B (en) | 2019-01-24 | 2023-11-28 | 株式会社高迎科技 | Inspection device jig, inspection device, inspection plant, and object inspection method using the same |
| CN112504206A (en) * | 2020-11-30 | 2021-03-16 | 新昌县丰荣机械有限公司 | Device for self-checking bearing |
| CN114608440B (en) * | 2022-03-10 | 2024-07-05 | 浙江大学台州研究院 | Bearing outer surface flatness detection equipment and detection method |
| CN115218837B (en) * | 2022-06-23 | 2024-10-18 | 东风本田汽车零部件有限公司 | Bearing frame measuring fixture |
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| CN108663011A (en) | 2018-10-16 |
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