CN212227949U

CN212227949U - Precision bearing axial clearance detection equipment

Info

Publication number: CN212227949U
Application number: CN202020781735.3U
Authority: CN
Inventors: 卞智毅; 邵秀华; 索广义; 侯海通
Original assignee: Luoyang Xinkai Bearing Technology Co ltd
Current assignee: Luoyang Xinkai Bearing Technology Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-25
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a precision bearing axial internal clearance check out test set, including examining test table and installing anchor clamps, amesdial, thrust device on examining test table, anchor clamps are including original point stand, centre gripping bearing ring's of placing the bearing ring nipper, X axle translation mechanism and Y axle translation mechanism, and X axle translation mechanism and Y axle translation mechanism drive the nipper respectively and remove along X axle and Y axle. Has the advantages that: precision bearing axial internal clearance check out test set adopt a novel clamping method, the bearing that can press from both sides tight various models carries out the axial internal clearance and detects, when detecting the bearing of different models, only need change with by the push pedal of bearing adaptation can, easy operation is changed to the push pedal convenient, the practicality is good.

Description

Precision bearing axial clearance detection equipment

Technical Field

The utility model relates to a bearing quality testing field, concretely relates to precision bearing axial internal clearance check out test set.

Background

Before the bearing is installed and used, axial play detection is generally needed, because the size of the play has influence on the rolling fatigue life, temperature rise, noise, vibration and other performances of the bearing, the precision bearing is particularly the same, the precision bearing has higher requirements on the axial play, and the conventional detection method relying on hand pushing or pulling is difficult to meet the requirements of the precision bearing on the accurate detection of the axial play.

Based on this, many automatic axial play detection devices are available on the market, which have the advantages of high detection precision and no damage to bearings, and are therefore very suitable for detecting the axial play of precision bearings, but the application range of these automatic axial play detection devices is too small, and generally only one type of bearings can be detected, and when other types of bearings are replaced, these automatic axial play detection devices cannot be used, for example, chinese patent No. 201920637130.4 discloses an axial play detection mechanism, the aperture of a through hole provided on a worktable of the detection mechanism, through which the upper end head of a second loading head extends to provide axial thrust to the bearing to be detected, is fixed, so when the inner diameter of the bearing inner ring to be detected after replacement is larger than the aperture of the through hole, the upper end head of the second loading head cannot push the bearing inner ring, and thus cannot provide axial thrust to the bearing, the axial play detection can not be completed, only the workbench with a large aperture can be replaced, the replacement operation of the workbench is very troublesome, time-consuming and labor-consuming, and on the basis, the existing precision bearing axial play detection equipment is necessarily improved, particularly a bearing clamping tool of the automatic axial play detection equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a precision bearing axial internal clearance check out test set just for solving above-mentioned problem to it is little to solve current axial internal clearance check out test set range of application, can only detect the bearing of a model, when will detecting the bearing of other models, can only change the workstation, and the workstation is changed the operation and is very troublesome and waste time and energy, and the practicality is not strong. The utility model provides an axial play check out test set adopts a novel clamping method, and the bearing that can press from both sides tight various models carries out the axial play and detects, when detecting the bearing of different models, only need change with by the push pedal of bearing adaptation can, the push pedal is changed easy operation convenience, the practicality is good, see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of precision bearing axial internal clearance check out test set, including examining test table and installing anchor clamps, amesdial, thrust device on examining test table, anchor clamps are including original point stand, centre gripping bearing ring's of placing the bearing ring nipper, X axle translation mechanism and Y axle translation mechanism, and X axle translation mechanism and Y axle translation mechanism drive the nipper respectively and remove along X axle and Y axle.

As the important design of present case, X axle translation mechanism includes along the X axle direction arrange and the symmetric distribution at the lead screw two of initial point stand left and right sides, and the one end of lead screw two is installed on the initial point stand, and the other end is installed on mounting panel two, installs the rotatory motor of drive lead screw two on the mounting panel two, and the swivel nut has the slide on the lead screw two, and when the motor drove the lead screw two of initial point stand left and right sides and rotated, two slides of initial point stand left and right sides were close to or keep away from the initial point stand jointly.

As the optimal design of present case, Y axle translation mechanism includes that the lead screw that arranges and symmetric distribution both sides around the lead screw two along Y axle direction is one, and the one end of lead screw is installed on the slide, and the other end is installed on mounting panel one, installs the rotatory motor of drive lead screw on the mounting panel one, and the nipper swivel nut is on lead screw one, and when the lead screw of both sides rotated around the motor drove the slide, two nipper of both sides were close to or kept away from the slide jointly around the slide.

As the optimal design of the scheme, the X-axis translation mechanism further comprises a second guide pillar parallel to the second lead screw, the second guide pillar is fixedly installed on the second mounting plate and/or the original-point upright post, and the sliding plate is sleeved on the second guide pillar in a sliding mode.

As the optimized design of the scheme, the Y-axis translation mechanism further comprises a first guide pillar parallel to the first lead screw, the first guide pillar is fixedly mounted on the first mounting plate and/or the sliding plate, and the nipper is sleeved on the first guide pillar in a sliding manner.

As the optimal design of this case, amesdial, thrust device all pass through the vertical slidable mounting of erection column on examining test table, examine and be provided with the jack that supplies erection column, mounting panel two, original point stand installation location and supply the gliding spout of mounting panel one on examining test table.

As the optimized design of the scheme, the head of the thrust device is provided with a push plate which is contacted with the side wall of the bearing inner ring and a pressure sensor which detects the thrust of the thrust device to the bearing ring.

As the optimization design of the scheme, the upper surface of the original point upright post is provided with a groove.

Has the advantages that: precision bearing axial internal clearance check out test set adopt a novel clamping method, the bearing that can press from both sides tight various models carries out the axial internal clearance and detects, when detecting the bearing of different models, only need change with by the push pedal of bearing adaptation can, easy operation is changed to the push pedal convenient, the practicality is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a bottom view of the present invention;

FIG. 4 is a top view of the inspection station;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a front view of the present invention with the inspection station removed;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is an enlarged view of portion B of FIG. 6;

FIG. 9 is a cross-sectional view D-D of FIG. 7;

FIG. 10 is an enlarged view of section C of FIG. 9;

FIG. 11 is a front view of the vise plate;

FIG. 12 is a right side view of the nipper, in which E represents a difference in thickness between the upper and lower ends of the nipper;

FIG. 13 is a schematic view of the structure of the pusher plate.

The reference numerals are explained below:

1. a detection table;

2. a clamp;

21. a nipper plate;

22. a Y-axis translation mechanism; 221. a motor; 222. a first mounting plate; 223. a first guide post; 224. a first lead screw;

23. an X-axis translation mechanism; 231. a second mounting plate; 232. a second screw rod; 233. a second guide post; 234. a slide plate;

24. an origin upright post;

3. a dial indicator; 4. a thrust device; 5. mounting a column; 6. a sliding sleeve; 7. locking the screw; 8. anti-skid lines; 9. pushing the plate; 10. a pressure sensor; 11. blind holes; 12. a through hole; 13. a chute; 14. a raceway; 15. a roller; 16. a processor; 17. a groove; 18. a bearing to be detected; 19. a display device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 2, the utility model provides a pair of precision bearing axial internal clearance check out test set, including examining test table 1 and installing anchor clamps 2 on examining test table 1, amesdial 3, thrust device 4, anchor clamps 2 are used for pressing from both sides the tight bearing inner race that waits to detect of clamp, treat that precision bearing's bearing inner race is pressed from both sides tightly fixed back, control thrust device 4 promotes precision bearing's inner circle axial displacement, amesdial 3 and thrust device 4 are located the axial both sides of bearing inner circle respectively, amesdial 3's measuring head top is tight on the lateral wall of bearing inner circle, when thrust device 4 promotion bearing inner race moves to amesdial 3, the measuring head of amesdial 3 can be extruded to the bearing inner race, and like this, amesdial 3 alright read the amount of movement of bearing inner.

Specifically, as shown in fig. 7, a push plate 9 contacting with the side wall of the bearing inner ring and a pressure sensor 10 detecting the thrust of the thrust device 4 to the bearing ring are installed at the head of the thrust device 4, the thrust device 4 pushes the bearing inner ring to move towards the dial indicator 3 through the push plate 9, the pressure sensor 10 is fixedly installed at the head of the piston rod of the thrust device 4, the push plate 9 is slidably inserted on the pressure sensor 10, as shown in fig. 13, the push plate 9 is circular, a jack for the pressure sensor 10 to be slidably inserted therein is arranged at the center of the push plate 9, the jack is a blind hole 11, when bearings with different sizes are replaced for detection, the push plate 9 matched with the jack can be replaced together, in short, the diameter of the push plate 9 is not larger than the outer diameter of the bearing inner ring, and is not smaller than the inner diameter of the bearing inner ring, so as to affect the detection, the push plate 9 is, the push plate 9 is simple and convenient to replace and operate and good in practicability.

In the process that the thrust device 4 pushes the bearing inner ring to move, the pressure sensor 10 can detect the thrust of the thrust device 4 to the bearing inner ring in real time, the thrust signal is transmitted to the processor 16, the thrust signal is analyzed and processed by the processor 16 and then displayed on the display device 19 to be checked by a detector, once the thrust value provided by the thrust device 4 is not in accordance with the standard, the detector can stop the machine in time to adjust the thrust value of the thrust device 4, so that the thrust is ensured to be constant, the situation that the measured results are different due to different measurement forces during measurement is avoided, the axial clearance of the precision bearing is measured in a standard and accurate mode, the thrust device 4 can adopt a cylinder, a hydraulic cylinder, a push rod motor 221, an electro-hydraulic push rod and other linear actuators, and the display device 19 can adopt.

In order to enable the dial indicator 3 and the thrust device 4 to be adapted to precision bearings of different sizes and models, the dial indicator 3 and the thrust device 4 are vertically and slidably mounted on the detection platform 1 through the mounting column 5, a jack for mounting and positioning the mounting column 5 is arranged on the detection platform 1, the jack is a through hole 12, the mounting column 5 is inserted into the through hole 12 in an up-and-down sliding manner, as shown in fig. 1-4, the mounting column 5 is sleeved with a sliding sleeve 6, the sliding sleeve 6 is fixedly mounted on the lower surface of the detection platform 1, a locking screw 7 is inserted into the sliding sleeve 6, the mounting column 5 is tightly clamped in the sliding sleeve 6 by screwing the locking screw 7 and cannot slide up and down, and when the position of the mounting column 5 needs to be adjusted, the locking screw 7 is unscrewed; the dial indicator 3 and the thrust device 4 are vertically slidably mounted on the detection table 1, because the heights of the detection positions corresponding to the bearings of different sizes and models are different, the dial indicator 3 and the thrust device 4 are required to be capable of vertically moving and adjusting the heights of the dial indicator 3 and the thrust device 4 according to the sizes of the detected bearings, so that the dial indicator 3 and the thrust device 4 can always push the side wall of the inner ring of the bearing tightly to detect the axial clearance.

As shown in fig. 6 and 7, the fixture 2 includes an origin column 24 for placing a bearing ring, a nipper 21 for clamping the bearing ring, an X-axis translation mechanism 23 and a Y-axis translation mechanism 22, where the X-axis translation mechanism 23 and the Y-axis translation mechanism 22 respectively drive the nipper 21 to move along the X-axis and the Y-axis, and because the widths and the diameters of the bearings of different sizes and types are different, the nipper 21 for clamping the outer ring of the bearing needs to be able to move along the X-axis and the Y-axis, so that the nipper 21 can clamp the outer rings of the bearings of various sizes and types.

As shown in fig. 10, in order to facilitate the placement of the bearing 18 to be inspected on the origin column 24, a groove 17 may be provided on the upper surface of the origin column 24, so that the bearing 18 to be inspected is not liable to roll off after being placed on the origin column 24.

As shown in fig. 6 and 7, the X-axis translation mechanism 23 includes two lead screws 232 disposed along the X-axis direction and symmetrically disposed on the left and right sides of the origin upright 24, one end of the two lead screws 232 is mounted on the origin upright 24, the other end is mounted on the mounting plate two 231, the mounting plate two 231 is mounted with a motor 221 for driving the two lead screws 232 to rotate, the two lead screws 232 are sleeved with sliding plates 234, when the motor 221 drives the two lead screws 232 on the left and right sides of the origin upright 24 to rotate, the two sliding plates 234 on the left and right sides of the origin upright 24 are close to or far from the origin upright 24 together, the sliding plates 234 move along the two lead screws 232 to drive the Y-axis translation mechanism 22 to move synchronously, the Y-axis translation mechanism 22 includes one lead screws 224 disposed along the Y-axis direction and symmetrically disposed on the front and rear sides of the two lead screws 232, the one lead screws 224 are perpendicular to the two lead screws 224, the one lead screws 224 are, The other end of the clamping plate is arranged on a first mounting plate 222, a motor 221 for driving a first screw rod 224 to rotate is arranged on the first mounting plate 222, the nipper 21 is screwed on the first screw rod 224, and when the motor 221 drives the first screw rods 224 on the front side and the rear side of the sliding plate 234 to rotate, the two nipper plates 21 on the front side and the rear side of the sliding plate 234 are close to or far away from the sliding plate 234 together, namely, the outer ring of the bearing is clamped or loosened.

In order to facilitate the installation of the origin upright post 24, the X-axis translation mechanism 23 and the Y-axis translation mechanism 22, as shown in fig. 4, an insertion hole for installing and positioning the second mounting plate 231 and the origin upright post 24 and a sliding groove 13 for sliding the first mounting plate 222 may be provided on the detection table 1, and the insertion hole is a blind hole 11.

As shown in fig. 4, 5 and 10, in order to ensure that the Y-axis translation mechanism 22 moves smoothly under the driving of the sliding plate 234, the lower end of the mounting plate 222 can be provided with a roller 15, and the bottom of the sliding slot 13 is provided with a raceway 14 for the roller 15 to roll, so that the mounting plate 222 can slide smoothly in the sliding slot 13, and the clamping plate 21 can be helpful to clamp and fix the bearing outer ring.

As shown in fig. 1, 6 and 9, the lower surfaces of the nipper 21 and the sliding plate 234 are in sliding contact with the upper surface of the inspection table 1, the sliding area is shown by the dotted line square frame in fig. 4, and in order to make the nipper 21 and the sliding plate 234 smoothly slide on the inspection table 1, the surface of the inspection table 1 in the dotted line square frame is coated with lubricating oil, so that the friction force between the nipper 21 and the sliding plate 234 and the inspection table 1 when sliding can be reduced as much as possible, and the smooth movement of the nipper 21 can be facilitated.

As shown in fig. 6, 9 and 10, the X-axis translation mechanism 23 further includes a second guide post 233 parallel to the second lead screw 232, the second guide post 233 is fixedly mounted on the second mounting plate 231 and/or the origin upright 24, and the sliding plate 234 is slidably sleeved on the second guide post 233, so as to facilitate the sliding of the sliding plate 234 after the second guide post 233 is disposed.

As shown in fig. 7, 9 and 10, the Y-axis translation mechanism 22 further includes a first guide post 223 parallel to the first lead screw 224, the first guide post 223 is fixedly mounted on the first mounting plate 222 and/or the sliding plate 234, the nipper 21 is slid on the first guide post 223, and the first guide post 223 is provided to facilitate smooth sliding of the nipper 21.

As shown in fig. 11 and 12, the upper end outer wall surface of the nipper 21 contacting with the bearing outer ring is provided with anti-slip threads 8, and the presence of the anti-slip threads 8 can prevent the bearing outer ring from slipping when the nipper 21 clamps the bearing outer ring; meanwhile, the upper end and the lower end of the nipper 21 have a thickness difference E, and the value E is half of the thickness of the sliding plate 234, so that the nipper 21 at the front end and the rear end of the sliding plate 234 can be attached together under the driving of the screw rod I224, thereby ensuring that the nipper 21 clamps tight bearings with various widths.

The working principle is as follows: during the use, will examine bearing 18 of examining and place on the original point stand 24 earlier, then rotate according to the width and the diameter control motor 221 of examining bearing 18 and drive four nipper 21 and follow X, Y axle and move the outer lane that presss from both sides tight bearing 18 of examining, adjust amesdial 3 and thrust unit 4's high position after that, make it with examine bearing 18 of examining and be concentric, control thrust unit 4 at last and promote the bearing inner circle through push pedal 9 and move, observe the numerical value on the amesdial 3 simultaneously, write down numerical value A, afterwards, loosen nipper 21, will examine bearing 18 and rotate 180 degrees around vertical axis (Z axle) and press from both sides tightly again, repeat above-mentioned detection, write down numerical value B on the amesdial 3 simultaneously, calculate the axial internal clearance value of examining bearing 18 according to numerical value A and numerical value B at last.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a precision bearing axial internal clearance check out test set, is including examining test table (1) and installing anchor clamps (2), amesdial (3), thrust unit (4) on examining test table (1), its characterized in that: the fixture (2) comprises an origin upright post (24) for placing the bearing ring, a nipper (21) for clamping the bearing ring, an X-axis translation mechanism (23) and a Y-axis translation mechanism (22), wherein the X-axis translation mechanism (23) and the Y-axis translation mechanism (22) respectively drive the nipper (21) to move along an X axis and a Y axis.

2. The precision bearing axial play detection apparatus according to claim 1, characterized in that: x axle translation mechanism (23) are including arranging and the symmetric distribution is at two (232) of lead screw of origin stand (24) left and right sides along X axle direction, the one end of two (232) of lead screw is installed on origin stand (24), the other end is installed on mounting panel two (231), install two (232) rotatory motor of drive lead screw (221) on mounting panel two (231), the swivel nut has slide (234) on two (232) of lead screw, when two (232) rotations of lead screw that motor (221) drove origin stand (24) left and right sides, two slide (234) of origin stand (24) left and right sides are close to or keep away from origin stand (24) jointly.

3. A precision bearing axial play detecting apparatus according to claim 2, characterized in that: the Y-axis translation mechanism (22) comprises a first screw rod (224) which is arranged along the Y-axis direction and symmetrically distributed on the front side and the rear side of a second screw rod (232), one end of the first screw rod (224) is installed on a first sliding plate (234), the other end of the first screw rod is installed on a first installation plate (222), a motor (221) for driving the first screw rod (224) to rotate is installed on the first installation plate (222), a nipper (21) is sleeved on the first screw rod (224), and when the motor (221) drives the first screw rod (224) on the front side and the rear side of the sliding plate (234) to rotate, two nipper (21) on the front side and the rear side of the sliding plate (234) are close.

4. A precision bearing axial play detecting apparatus according to claim 2, characterized in that: the X-axis translation mechanism (23) further comprises a second guide post (233) parallel to the second lead screw (232), the second guide post (233) is fixedly installed on the second mounting plate (231) and/or the origin upright post (24), and the sliding plate (234) is sleeved on the second guide post (233) in a sliding mode.

5. A precision bearing axial play detecting apparatus according to claim 3, characterized in that: the Y-axis translation mechanism (22) further comprises a first guide post (223) parallel to the first lead screw (224), the first guide post (223) is fixedly installed on the first mounting plate (222) and/or the sliding plate (234), and the nipper (21) is slid on the first guide post (223).

6. A precision bearing axial play detecting apparatus according to claim 3, characterized in that: dial indicator (3), thrust device (4) all through erection column (5) vertical slidable mounting on examining test table (1), examine and be provided with the jack that supplies erection column (5), mounting panel two (231), original point stand (24) installation location on test table (1) and supply mounting panel one (222) gliding spout (13).

7. The precision bearing axial play detection apparatus according to claim 1, characterized in that: and the head of the thrust device (4) is provided with a push plate (9) which is in contact with the side wall of the bearing inner ring and a pressure sensor (10) which detects the thrust of the thrust device (4) to the bearing ring.

8. The precision bearing axial play detection apparatus according to claim 1, characterized in that: the upper surface of the origin upright post (24) is provided with a groove (17).