CN218765131U

CN218765131U - Automatic calibration measuring device for bearing inner diameter

Info

Publication number: CN218765131U
Application number: CN202222801058.9U
Authority: CN
Inventors: 朱勇; 潘焰林
Original assignee: Ningbo Zhenhai Shidong Bearing Co ltd
Current assignee: Ningbo Zhenhai Shidong Bearing Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-28
Anticipated expiration: 2032-10-24

Abstract

The utility model provides an automatic measuring device that marks of bearing internal diameter relates to bearing internal diameter measurement technical field, including the backing plate, the top center department of backing plate has seted up and has run through the groove, and four turning positions at the top of backing plate are electric putter on the fixedly connected with respectively, four turning positions at the top of backing plate are located each and go up electric putter's both sides position difference fixedly connected with stopper, and flexible be convenient for realize the clamp splice removal through last electric putter, and then be convenient for place the not unidimensional contrast ring, be convenient for measure not unidimensional bearing to be connected through the rotation of pivot with the clamp splice, when measuring the bearing internal diameter, be convenient for realize that the bearing rotates smoothly, through the internal surface of rotating bearing and utilizing the elasticity assurance measuring head of spring tightly laminating the bearing, through the numerical value that the laser range finder who sets up measures, judge the displacement amount of measuring head in real time, the audio-visual radian and the size of judging the bearing internal surface of personnel of being convenient for.

Description

Automatic calibration measuring device for bearing inner diameter

Technical Field

The utility model relates to a bearing internal diameter measures technical field, especially relates to automatic calibration measuring device of bearing internal diameter.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision.

Currently, as in chinese patent No.: CN206479157U discloses a bearing internal diameter measuring device, including installing frame, drive fluted disc, activity measurement portion, position sleeve and gauge, the installing frame bottom is fixed with the installing support, the installing support runs through the installing frame, the installing support top is equipped with the gauge, the center department of installing frame is equipped with the drive fluted disc, the both sides of drive fluted disc are equipped with the activity measurement portion, be equipped with the drive rack on the activity measurement portion, the drive fluted disc cooperatees with the drive rack, drive fluted disc drive activity measurement portion horizontal migration, the activity measurement portion links to each other with the gauge, the installing support runs through the drive fluted disc, be fixed with the position sleeve on the installing frame, be connected with the installing sleeve on the drive fluted disc, the installing sleeve inlays the dress and is between position sleeve and installing support, the top of installing sleeve is equipped with the drive knob.

After the bearing is produced, a plurality of bearings of the same batch of production need to be subjected to sampling inspection, and the inner diameter of the bearing is measured, but when the existing measuring device is used for measurement, the position of the measuring head needs to be manually pressed and adjusted, the measuring head can enter the bearing, the measuring step is increased, and the measuring speed is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the bearing in the current technique and producing the back, need carry out the selective examination to a plurality of bearings of the same batch of production, measure the internal diameter of bearing, but current measuring device is when measuring, need manually press the position of adjustment measuring head, guarantee that the measuring head can get into in the bearing, increase measuring step, and then influence the problem of measuring speed, and the automatic mark measuring device that is counterpointed of bearing internal diameter that proposes.

In order to realize the purpose, the utility model adopts the following technical scheme: automatic mark measuring device that counterpoints of bearing internal diameter, including the backing plate, the top center department of backing plate has seted up and has run through the groove, and four turning positions at the top of backing plate are fixedly connected with electric putter respectively, four turning positions at the top of backing plate are located electric putter's both sides position difference fixedly connected with stopper on each, go up electric putter's flexible end fixedly connected with clamp splice, the clamp splice is kept away from electric putter's surperficial both sides position and is rotated respectively and be connected with the pivot, the top center department of backing plate is provided with the contrast ring, and the bottom both sides position difference fixedly connected with support frame of backing plate, electric putter under the outer bottom center department fixedly connected with of support frame, electric putter's flexible end fixedly connected with connecting piece down, the both sides internal surface of connecting piece rotates and is connected with two-way screw rod, and the interior bottom center department symmetry sliding connection of connecting piece has two guide blocks, two the surperficial top position of carrying on the back of the body of guide block is provided with the spring respectively, and the face top position difference fixedly connected with laser range finder back of the body of two guide blocks mutually, the spring keeps away from the one end fixedly connected with measuring head of guide block.

Preferably, the surface of pivot and the surface sliding connection of contrast ring, sliding connection is run through with the surface of adjacent stopper in the surperficial both sides position that the contrast ring was kept away from to the fixture block, is convenient for realize the multiple spot support of contrast ring surface through a plurality of pivots, and the stopper that sets up guarantees the fixture block at the stationarity of removal in-process.

Preferably, the front surface and the rear surface of the guide block are respectively in sliding connection with the front inner surface and the rear inner surface of the connecting piece, the surface of the guide block and the surface thread of the bidirectional screw rod are arranged in a penetrating mode, the guide block is convenient to prevent from rotating and shaking, and the two guide blocks can move in opposite directions or opposite directions through rotation of the bidirectional screw rod.

Preferably, one end of the bidirectional screw rod penetrates through the surface of the connecting piece and extends outwards, and the rotating block is fixedly connected to one end of the bidirectional screw rod, so that the bidirectional screw rod is driven to rotate through the rotation of the rotating block.

Preferably, the surfaces of the guide block and the measuring head are in sliding connection with the inner surfaces of the grooves, and one end of the spring is fixedly connected with the surface of the guide block, so that the guide block and the measuring head can be lifted along with the lifting of the connecting piece, and a comparison ring and a bearing with new sizes can be placed by a person conveniently.

Preferably, one side of the measuring head is slidably connected with the inner surface of the comparison ring, the other side of the measuring head is slidably connected with the surface of the guide block in a penetrating manner, and the measuring head is slidably connected with the guide block in a penetrating manner, so that the measuring head and the guide block can only realize relative sliding in the horizontal direction.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, the contrast ring of setting is the standard size reference thing, realize the internal surface of the tight laminating contrast ring of measuring head through the spring, and distance between accurate measurement measuring head of laser range finder through the setting and the guide block, and mark as first size, then electric putter shrink realizes that the connecting piece drives guide block and measuring head and descends down, survey crew takes off the contrast ring, put the bearing of making, electric putter extends down and realizes that guide block and measuring head rise to the inside of bearing, and realize the internal surface of the tight laminating bearing of measuring head through the spring that sets up, distance between the accurate measurement measuring head of laser range finder through the setting and the guide block, and mark as the second size, can judge the size difference of the bearing internal diameter of making and contrast ring internal diameter through the numerical value size of contrast first size and second size, this device measurement process is simple rapid, and can obtain the partial difference size numerical value of internal diameter rapidly.

2. The utility model discloses in, be convenient for realize the clamp splice through last electric putter is flexible and remove, and then be convenient for place the contrast ring of unidimensional, be convenient for measure not unidimensional bearing, and be connected through the rotation of pivot with the clamp splice, when measuring the bearing internal diameter, be convenient for realize the bearing and rotate smoothly, through the rotation bearing and utilize the elasticity of spring to guarantee the internal surface of the tight laminating bearing of measuring head, through the measured numerical value of the laser range finder who sets up, judge the displacement volume of measuring head in real time, the audio-visual radian and the size of judging the bearing internal surface of personnel of being convenient for.

Drawings

FIG. 1 is a perspective view of the automatic alignment measuring device for bearing inner diameter of the present invention;

fig. 2 is a bottom perspective view of the automatic alignment measuring device for bearing inner diameter of the present invention shown in fig. 1;

fig. 3 is an enlarged perspective view of a position a in fig. 1 of the device for automatically measuring the bearing inner diameter by alignment of the bearing inner diameter.

Illustration of the drawings: 1. a backing plate; 2. an electric push rod is arranged; 3. a limiting block; 4. a guide block; 5. a clamping block; 6. a rotating shaft; 7. comparing the circular rings; 8. a measuring head; 9. a spring; 10. a laser range finder; 11. a through slot; 12. a lower electric push rod; 13. a support frame; 14. a connecting member; 15. rotating the block; 16. a bidirectional screw.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Referring to fig. 1-3, the present invention provides a technical solution: the automatic bearing inner diameter calibration measuring device comprises a base plate 1, a through groove 11 is formed in the center of the top of the base plate 1, upper electric push rods 2 are fixedly connected to the four corners of the top of the base plate 1 respectively, limiting blocks 3 are fixedly connected to the four corners of the top of the base plate 1 at the two sides of each upper electric push rod 2 respectively, a clamping block 5 is fixedly connected to the telescopic end of each upper electric push rod 2, a rotating shaft 6 is rotatably connected to the two sides of the surface of each clamping block 5 away from the upper electric push rod 2 respectively, a comparison ring 7 is arranged at the center of the top of the base plate 1, supporting frames 13 are fixedly connected to the two sides of the bottom of the base plate 1 respectively, a lower electric push rod 12 is fixedly connected to the center of the outer bottom of each supporting frame 13, a connecting piece 14 is fixedly connected to the telescopic end of each lower electric push rod 12, and two-way screws 16 are rotatably connected to the inner surfaces of the two sides of the connecting piece 14, two guide blocks 4 are symmetrically and slidably connected to the center of the inner bottom of the connecting piece 14, springs 9 are respectively arranged at the top positions of the opposite surfaces of the two guide blocks 4, laser range finders 10 are respectively and fixedly connected to the top positions of the opposite surfaces of the two guide blocks 4, a measuring head 8 is fixedly connected to one end, far away from the guide blocks 4, of each spring 9, a comparison ring 7 is a ring with a standard size and serves as a reference standard for measuring the inner diameter of a bearing with a corresponding size, two lower electric push rods 12 are arranged, the connecting piece 14 can be stably lifted and descended conveniently through the expansion and contraction of the two lower electric push rods 12, the arranged laser range finders 10 are convenient for accurately and timely measuring the distance between the guide blocks 4 and the measuring head 8, one side, far away from the guide blocks 4, of the measuring head 8 is arranged in an inclined plane manner, so that the inclined plane of the measuring head 8 is in contact with the bottom of the comparison ring 7 or the placed bearing and slides in the lifting process of the connecting piece 14, it is ensured that the measuring head 8 can slide smoothly into the reference ring 7 or the bearing produced.

As shown in figure 1, the surface of the rotating shaft 6 is in sliding connection with the outer surface of the comparison ring 7, the clamping blocks 5 are far away from the two side positions of the surface of the comparison ring 7 and are in sliding connection with the surface of the adjacent limiting block 3 in a penetrating mode, multi-point supporting of the outer surface of the comparison ring 7 is achieved conveniently through the rotating shafts 6, and the stability of the clamping blocks 5 in the moving process is guaranteed through the arranged limiting blocks 3.

As shown in fig. 2, the front and rear surfaces of the guide block 4 are slidably connected to the front and rear inner surfaces of the connecting member 14, respectively, and the surface of the guide block 4 and the surface of the bidirectional screw 16 are threaded through, so as to prevent the guide block 4 from rotating and shaking, and to realize the relative or opposite movement of the two guide blocks 4 by the rotation of the bidirectional screw 16.

As shown in fig. 2, one end of the bidirectional screw 16 extends outward through the surface of the connecting member 14, and one end of the bidirectional screw 16 is fixedly connected with a rotating block 15, so that the bidirectional screw 16 is driven to rotate by the rotation of the rotating block 15.

As shown in FIG. 2, the surfaces of the guide block 4 and the measuring head 8 are slidably connected with the inner surface of the through groove 11, and one end of the spring 9 is fixedly connected with the surface of the guide block 4, so that the guide block 4 and the measuring head 8 can be lifted up and down along with the lifting of the connecting piece 14, and further, a person can conveniently place a comparison ring 7 and a bearing with new sizes.

As shown in fig. 1 and 3, one side of the measuring head 8 is slidably connected to the inner surface of the comparison ring 7, the other side of the measuring head 8 is slidably connected to the surface of the guide block 4 in a penetrating manner, and the measuring head 8 is slidably connected to the guide block 4 in a penetrating manner, so that the measuring head 8 and the guide block 4 can only slide horizontally relative to each other.

The use method and the working principle of the device are as follows: the set comparison ring 7 is a standard size reference object, the inner surface of the comparison ring 7 tightly attached to the measuring head 8 is realized through the spring 9, the distance between the measuring head 8 and the guide block 4 is accurately measured through the set laser range finder 10 and is marked as a first size, then the lower electric push rod 12 contracts to realize that the connecting piece 14 drives the guide block 4 and the measuring head 8 to descend, a measurer takes down the comparison ring 7, the manufactured bearing is placed, the lower electric push rod 12 extends to realize that the guide block 4 and the measuring head 8 ascend to the inside of the bearing, the inner surface of the bearing tightly attached to the measuring head 8 is realized through the set spring 9, the distance between the measuring head 8 and the guide block 4 is accurately measured through the set laser range finder 10 and is marked as a second size, the size difference between the inner diameter of the manufactured bearing and the inner diameter of the comparison ring 7 can be judged through comparing the numerical values of the first size and the second size, the arc degree detection of the bearing is realized through rotating the bearing, and whether the inner diameter of the bearing accords with the size of the comparison ring 7 is judged.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified by the above technical contents disclosed as equivalent variations to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. Automatic calibration measuring device of bearing internal diameter, including backing plate (1), its characterized in that: a through groove (11) is arranged at the center of the top of the backing plate (1), four corner positions at the top of the backing plate (1) are respectively and fixedly connected with an upper electric push rod (2), the four corners at the top of the backing plate (1) are respectively and fixedly connected with a limiting block (3) at the two sides of each upper electric push rod (2), the telescopic end of the upper electric push rod (2) is fixedly connected with a clamping block (5), the positions of two sides of the surface of the clamping block (5) far away from the upper electric push rod (2) are respectively and rotatably connected with a rotating shaft (6), a contrast ring (7) is arranged at the center of the top of the base plate (1), and the two sides of the bottom of the backing plate (1) are respectively and fixedly connected with a supporting frame (13), the center of the outer bottom of the supporting frame (13) is fixedly connected with a lower electric push rod (12), the telescopic end of the lower electric push rod (12) is fixedly connected with a connecting piece (14), the inner surfaces of the two sides of the connecting piece (14) are rotationally connected with a bidirectional screw (16), two guide blocks (4) are symmetrically connected at the center of the inner bottom of the connecting piece (14) in a sliding way, springs (9) are respectively arranged at the top parts of the back surfaces of the two guide blocks (4), and the top parts of the back surfaces of the two guide blocks (4) are respectively and fixedly connected with a laser range finder (10), and one end of the spring (9) far away from the guide block (4) is fixedly connected with a measuring head (8).

2. The automatic calibration measuring device for the inner diameter of the bearing according to claim 1, wherein: the surface of pivot (6) and the surface sliding connection of contrast ring (7), sliding connection is run through with the surface of adjacent stopper (3) in the surperficial both sides position that contrast ring (7) were kept away from in clamp splice (5).

3. The automatic calibration measuring device for the inner diameter of the bearing according to claim 1, wherein: the front surface and the rear surface of the guide block (4) are respectively connected with the front inner surface and the rear inner surface of the connecting piece (14) in a sliding mode, and the surface of the guide block (4) and the surface threads of the bidirectional screw (16) are arranged in a penetrating mode.

4. The automatic calibration measuring device for the inner diameter of the bearing according to claim 1, wherein: one end of the bidirectional screw (16) penetrates through the surface of the connecting piece (14) and extends outwards, and one end of the bidirectional screw (16) is fixedly connected with the rotating block (15).

5. The automatic calibration measuring device for the inner diameter of the bearing according to claim 1, wherein: the surfaces of the guide block (4) and the measuring head (8) are in sliding connection with the opposite inner surfaces of the through grooves (11), and one end of the spring (9) is fixedly connected with the surface of the guide block (4).

6. The automatic calibration measuring device for the inner diameter of the bearing according to claim 1, wherein: one side of the measuring head (8) is in sliding connection with the inner surface of the comparison ring (7), and the other side of the measuring head (8) is in sliding connection with the surface of the guide block (4) in a penetrating manner.