CN222837505U - Bearing inner ring hole measuring machine with bearing fixing device - Google Patents
Bearing inner ring hole measuring machine with bearing fixing device Download PDFInfo
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- CN222837505U CN222837505U CN202421807629.2U CN202421807629U CN222837505U CN 222837505 U CN222837505 U CN 222837505U CN 202421807629 U CN202421807629 U CN 202421807629U CN 222837505 U CN222837505 U CN 222837505U
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- fixing device
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Abstract
本实用新型公开了一种具有轴承固定装置的轴承内圈测孔机，涉及测孔机技术领域，包括测孔台，测孔台上设有轴承固定装置，轴承固定装置包括三组固定板，三组固定板的外壁均连接有电动推杆，每组电动推杆的伸缩端均安装有夹紧件，夹紧件内竖直滑动连接有升降齿板，升降齿板的内侧面顶端设有压紧固定板，测孔台的上表面后端安装有支架板，支架板上设有电动液压杆，电动液压杆的伸缩端安装有U型架，U型架的底部设有承载板，且承载板的上表面连接有伺服电机，伺服电机的输出端安装有内径千分表。轴承固定装置可固定轴承的侧壁、顶壁，对轴承的固定效果好，避免轴承在测孔时位置出现偏移或移动的情况，提高了轴承内圈测孔结果的精准度。
The utility model discloses a bearing inner ring hole measuring machine with a bearing fixing device, which relates to the technical field of hole measuring machines, including a hole measuring platform, a bearing fixing device is arranged on the hole measuring platform, the bearing fixing device includes three groups of fixing plates, the outer walls of the three groups of fixing plates are connected with electric push rods, the telescopic end of each group of electric push rods is installed with a clamping piece, a lifting tooth plate is vertically slidably connected in the clamping piece, a pressing fixing plate is arranged at the top of the inner side surface of the lifting tooth plate, a bracket plate is arranged at the rear end of the upper surface of the hole measuring platform, an electric hydraulic rod is arranged on the bracket plate, a U-shaped frame is arranged at the telescopic end of the electric hydraulic rod, a bearing plate is arranged at the bottom of the U-shaped frame, and a servo motor is connected to the upper surface of the bearing plate, and an inner diameter micrometer is arranged at the output end of the servo motor. The bearing fixing device can fix the side wall and the top wall of the bearing, has a good fixing effect on the bearing, avoids the situation that the position of the bearing is offset or moved when measuring the hole, and improves the accuracy of the hole measuring result of the inner ring of the bearing.
Description
Technical Field
The utility model relates to the technical field of hole measuring machines, in particular to a bearing inner ring hole measuring machine with a bearing fixing device.
Background
Bearings are components used mechanically to support and reduce friction. It allows the rotating parts, such as the shaft, to rotate smoothly without excessive wear. Bearings typically consist of an inner ring, an outer ring, and rolling elements (e.g., steel balls or rollers). After the bearing is produced, in order to ensure the quality of the bearing to be qualified, a bearing inner ring hole measuring machine is required to be used for detecting the diameter of the inner ring of the bearing.
The existing bearing inner ring hole measuring machine needs to use a bearing fixing device to fix the position of the bearing inner ring when detecting the bearing inner ring, but the existing large multi-bearing fixing device can only fix the side wall of the bearing from the side direction and cannot fix the top direction of the bearing, different positions of the bearing inner ring need to be rotationally detected in the detection process, in the process, the bearing is easy to slide vertically or deviate, the accuracy of the bearing inner ring hole measuring result is affected, and therefore, the bearing inner ring hole measuring machine with the bearing fixing device is provided.
Disclosure of utility model
The utility model aims to provide a bearing inner ring hole measuring machine with a bearing fixing device, which is used for solving the problem that the bearing is easy to slide vertically or deviate when the bearing inner ring is detected at different positions in the rotation mode, so that the accuracy of the bearing inner ring hole measuring result is affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The bearing inner ring hole measuring machine with the bearing fixing device comprises a hole measuring table, wherein the hole measuring table is provided with the bearing fixing device for fixing a bearing, the bearing fixing device comprises three groups of fixing plates, the outer walls of the three groups of fixing plates are connected with electric push rods, the telescopic end of each group of electric push rods is provided with a clamping piece, the clamping piece is vertically and slidably connected with a lifting toothed plate, and the top end of the inner side surface of the lifting toothed plate is provided with a pressing fixing plate;
the mounting plate is installed to the upper surface rear end of hole measurement platform, and is equipped with electronic hydraulic stem on the mounting plate, and U type frame is installed to the flexible end of electronic hydraulic stem, and the bottom of U type frame is equipped with the loading board, and the upper surface of loading board is connected with servo motor, and servo motor's output is equipped with the pivot, and the internal dial gauge is installed to the bottom of pivot.
Further, the outer side wall of each group of clamping pieces is provided with a fixed box which is communicated with the fixed box, the outer wall of the fixed box is provided with a gear motor, the output end of the gear motor is connected with a rotating shaft, a gear is sleeved on the rotating shaft, and the gear is meshed with the lifting toothed plate.
Further, a cavity is formed in the clamping piece, a vertical rod is mounted on the inner wall of the cavity, a sliding sleeve is connected to the vertical rod in a sliding mode, and the other surface of the sliding sleeve is connected with the side wall of the lifting toothed plate.
Further, through holes communicated with the fixing box are formed in the side walls of the clamping pieces, and the sizes of the through holes are matched with those of the gears.
Further, a mounting sleeve for mounting the inside dial indicator is arranged at the bottom of the rotating shaft at the output end of the servo motor, and a locking bolt is connected with the mounting sleeve in a threaded manner.
Further, mounting holes are formed in four corners of the hole measuring table.
Further, the inner side surface of each group of clamping pieces and the lower surface of each group of pressing fixing plates are provided with anti-slip pads.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the inner dial indicator is driven to rotate on the bearing inner ring through the work of the electric hydraulic rod and the servo motor, the hole measuring work of the bearing inner ring is realized, the synchronous work of the three groups of electric push rods on the bearing fixing device drives the three groups of clamping pieces to synchronously move, the preliminary fixing of the side wall of the bearing is realized, the gear on the rotating shaft can be driven to rotate through the work of the gear reduction motor on the outer wall of the fixing box, and the lifting toothed plate is meshed and connected with the lifting toothed plate, so that the lifting toothed plate is lifted in the clamping pieces, the pressing fixing plate is driven to move downwards to fix the top wall of the bearing, the fixing effect of the bearing is good, the position deviation or movement of the bearing inner ring during hole measuring is avoided, and the accuracy of the hole measuring result of the bearing inner ring is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a connection structure between a side hole stage and a bearing fixing device according to the present utility model;
FIG. 3 is a schematic view of the connection structure of the clamping member and the fixing case of the present utility model;
fig. 4 is a schematic cross-sectional view of the front connection structure of the clamping member and the fixing case of the present utility model.
The device comprises a hole measuring table 1, a bearing fixing device 2, a fixing plate 201, an electric push rod 202, a clamping piece 203, a fixing box 204, a gear motor 205, a lifting toothed plate 206, a pressing fixing plate 207, a cavity 208, a gear 209, a vertical rod 210, a sliding sleeve 3, a support plate 4, an electric hydraulic rod 5, a U-shaped frame 6, a bearing plate 7, a servo motor 8, a mounting sleeve 9, a locking bolt 10, an inside dial gauge 11 and a mounting hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
Referring to fig. 1-4, the utility model provides a technical scheme that a bearing inner ring hole measuring machine with a bearing fixing device comprises a hole measuring table 1, wherein a bearing fixing device 2 for fixing a bearing is arranged on the hole measuring table 1, the bearing fixing device 2 comprises three groups of fixing plates 200, the outer walls of the three groups of fixing plates 200 are respectively connected with an electric push rod 201, the telescopic end of each group of electric push rods 201 is provided with a clamping piece 202, the clamping pieces 202 are vertically and slidably connected with lifting toothed plates 205, the top ends of the inner side surfaces of the lifting toothed plates 205 are provided with pressing fixing plates 206, before the hole measuring machine is used, the electric ends of electric equipment are electrically connected with an external power supply and the electric end of a controller, the three groups of electric push rods 201 synchronously work to drive the three groups of clamping pieces 202 (one surface close to the bearing is arc-shaped), so that preliminary fixing of the side walls of the bearing is realized, the lifting toothed plates 205 vertically and slidably connected in the clamping pieces 202 can drive the pressing fixing plates 206 to move down the top wall of the bearing, the fixing effect of the bearing is good, and the position deviation of the bearing during hole measuring is avoided, and the precision of the bearing is improved;
The rear end of the upper surface of the hole measuring table 1 is provided with a support plate 3, the support plate 3 is provided with an electric hydraulic rod 4, the telescopic end of the electric hydraulic rod 4 is provided with a U-shaped frame 5, the bottom of the U-shaped frame 5 is provided with a bearing plate 6, the upper surface of the bearing plate 6 is connected with a servo motor 7, the output end of the servo motor 7 is provided with a rotating shaft, the bottom of the rotating shaft is provided with an inside diameter dial indicator 10, the inside diameter dial indicator 10 at the bottom of the electric hydraulic rod 4 stretches into a bearing inner ring, and the servo motor 7 can drive the inside diameter dial indicator 10 at the bottom of the rotating shaft to rotate so as to realize hole measuring work on different positions of the bearing inner ring.
Preferably, the outer side wall of each group of clamping pieces 202 is provided with a fixed box 203 which is communicated with each other, the outer wall of the fixed box 203 is provided with a gear motor 204, the output end of the gear motor 204 is connected with a rotating shaft, a gear 208 is sleeved on the rotating shaft, the gear 208 is meshed with a lifting toothed plate 205, the fixed box 203 is fixedly connected with the clamping pieces 202, the gear 208 on the rotating shaft is driven to rotate by the operation of the gear motor 204, and the lifting toothed plate 205 is lifted in the clamping pieces 202 due to the meshed connection of the gear 208 and the lifting toothed plate 205, so that the pressing fixed plate 206 is driven to move.
Preferably, a cavity 207 is formed in the clamping piece 202, a vertical rod 209 is mounted on the inner wall of the cavity 207, a sliding sleeve 210 is slidably connected to the vertical rod 209, the other surface of the sliding sleeve 210 is connected with the side wall of the lifting toothed plate 205, the sliding sleeve 210 is fixedly connected with the lifting toothed plate 205, and the lifting toothed plate 205 is supported and limited through the sliding connection of the sliding sleeve 210 and the vertical rod 209.
Preferably, the side wall of the clamping member 202 is provided with a through hole communicating with the fixing case 203, and the size of the through hole is adapted to the size of the gear 208.
Preferably, the bottom of the output end rotating shaft of the servo motor 7 is provided with a mounting sleeve 8 for mounting the inside diameter dial indicator 10, the mounting sleeve 8 is internally connected with a locking bolt 9 in a threaded manner, and the bottom end of the mounting sleeve is far away from the inside diameter dial indicator 10 or is attached to the inside diameter dial indicator 10 through rotation of the locking bolt 9, so that the inside diameter dial indicator 10 and the mounting sleeve 8 can be quickly dismounted.
Preferably, the four corners of the hole measuring table 1 are provided with mounting holes 11, and the mounting holes 11 facilitate the mounting of the bearing inner ring hole measuring machine at the working position.
Example 2:
Referring to fig. 2 and 3, this embodiment is different from the first embodiment in that an inner side surface of each set of clamping members 202 and a lower surface of each set of pressing fixing plates 206 are provided with anti-slip pads, and the anti-slip pads have an anti-slip effect, so that stability of the bearing fixing device 2 in fixing the bearing is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421807629.2U CN222837505U (en) | 2024-07-29 | 2024-07-29 | Bearing inner ring hole measuring machine with bearing fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421807629.2U CN222837505U (en) | 2024-07-29 | 2024-07-29 | Bearing inner ring hole measuring machine with bearing fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222837505U true CN222837505U (en) | 2025-05-06 |
Family
ID=95529544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421807629.2U Active CN222837505U (en) | 2024-07-29 | 2024-07-29 | Bearing inner ring hole measuring machine with bearing fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222837505U (en) |
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2024
- 2024-07-29 CN CN202421807629.2U patent/CN222837505U/en active Active
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